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Public Information Statement
WSR-88D Radar Outage Notification / Free Text Message
WSR-88D Radar Outage Notification / Free Text Message
Public Information Statement
Public Information Statement
Public Information Statement
Public Information Statement
Public Information Statement
Public Information Statement
WSR-88D Radar Outage Notification / Free Text Message

Public Information Statement


NOUS41 KWBC 021856

PNSWSH

Public Information Statement, Comment request

National Weather Service Headquarters Washington DC

158 PM EST Mon Mar 2 2015

To: Subscribers:

-Family of Services

-NOAA Weather Wire Service

-Emergency Managers Weather Information Network

-NOAAPORT

Other NWS Partners and NWS Employees

From: Mark Tew

Chief, Marine and Coastal Weather Services Branch

Subject: Soliciting Comments by April 1, 2015, on a Proposed

Change to the Issuance of the Tropical Cyclone

Public Advisory

The NWS is soliciting comments through April 1, 2015, on a

proposed change to the issuance of the Tropical Cyclone
Public

Advisory (TCP) issued by the National Hurricane Center,
Central

Pacific Hurricane Center, and WFO Guam.

Current NWS policy states that the TCP will be issued at
2-hourly

intervals whenever coastal tropical cyclone watches/warnings
are

in effect and coastal radars are able to provide reliable
center

position estimates. In addition, when TCPs are issued on a

2-hourly cycle, a Tropical Cyclone Update (TCU) is issued in

between each TCP to provide a continuous (hourly) flow of

information on the tropical cyclone location, motion and

intensity. The TCU may also contain additional information as

needed.

When the center of a tropical cyclone cannot be easily
tracked

with land-based radar, NWS issues TCPs every 3 hours rather
than

every 2 hours. The uncertain nature of the TCP schedule

sometimes creates confusion with users.

The NWS proposes that the TCP always remain on a 3-hourly
cycle

whenever watches/warnings are in effect or a tropical cyclone
is

over land at tropical storm strength or greater. Elimination
of

the 2-hourly TCP cycle would ensure NWS issues the TCP at

standard times during such an event.

Under this proposal, the hourly flow of storm information
would

not be disrupted; TCUs would continue to be issued hourly in

between the three-hourly TCPs whenever coastal
watches/warning

were in effect and the center could be easily tracked with
land-

based radar. Because TCUs can be prepared and disseminated
more

quickly than TCPs, the proposed change would alleviate
workflow

issues while the new track and intensity forecast is being

prepared and facilitate quickly conveying storm updates to
users.

This change will not limit or restrict the issuance or

discontinuation of watches and warnings. Warnings for the
United

States can only be issued on full or special advisory
packages,

while U.S. warnings can be lowered on either an intermediate

advisory or a TCU.

Below is an example of the proposed NHC and CPHC advisory
cycle

for storms meeting the watch/warning and center-tracking

requirements (Guam times will be 1 hour later):

0900 UTC Full advisory package including the TCP

1000 UTC TCU (providing an hourly position update, summary

block of key storm information and other key

observations)

1100 UTC TCU

1200 UTC Intermediate Public Advisory

1300 UTC TCU

1400 UTC TCU

1100 UTC Next full advisory package

Please send comments on the proposed change to:

John Kuhn

NWS Marine and Coastal Weather Services Branch

Silver Spring, MD 20910

Telephone: 301-427-9364

Email: John.F.Kuhn@noaa.gov

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm


All information obtained from the National Weather Service.

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WSR-88D Radar Outage Notification / Free Text Message


NOUS63 KGRR 021624
FTMGRR
Message Date: Mar 02 2015 16:24:44

KGRR RADAR IS OPERATIONAL AS OF 1624Z



All information obtained from the National Weather Service.

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WSR-88D Radar Outage Notification / Free Text Message


NOUS63 KGRR 021435
FTMGRR
Message Date: Mar 02 2015 14:35:24

KGRR RADAR WILL BE DOWN FOR APPROXIMATELY 2 HOURS DUE TO ROUTINE MAINTENANCE



All information obtained from the National Weather Service.

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Public Information Statement


NOUS41 KWBC 271338

PNSWSH

Public Information Notice

National Weather Service Headquarters Washington DC

840 AM EST Fri Feb 27 2015

TO: Subscribers:

-Family of Services

-NOAA Weather Wire Service

-Emergency Managers Weather Information Network

-NOAAPORT

Other NWS partners and NWS employees

FROM: Cindy Woods

Chief, Operations and Requirements Division

Chief, Performance and Awareness Division

SUBJECT: Use of Mixed-case Letters in Select NWS National

Hurricane Center Products Effective on or about May

15, 2015

Effective on or about May 15, 2015, the NWS will expand its

mixed-case text Product Risk Reduction effort to include

additional products (Table 1) issued by the National
Hurricane

Center (NHC). Products that were issued in mixed case in 2014

will continue to be issued in mixed case (Table 2).

Table 1: NHC Additional Products

Product Name WMO Header AWIPS ID

------------ ---------- --------

Tropical Cyclone Public WTNT31-35 KNHC TCPAT1-5

Advisory (Atlantic)

Tropical Cyclone Public WTPZ31-35 KNHC TCPEP1-5

Advisory (Eastern Pacific)

Tropical Cyclone Update WTNT61-65 KNHC TCUAT1-5

(Atlantic)

Tropical Cyclone Update WTPZ61-65 KNHC TCUEP1-5

(Eastern Pacific)

Tropical Weather Summary ABNT30 KNHC TWSAT

(Atlantic)

Tropical Weather Summary ABPZ30 KNHC TWSEP

(Eastern Pacific)

Table 2: NHC Continued Products

Product Name WMO Header AWIPS ID

------------ ---------- --------

Tropical Weather Outlook ABNT20 KNHC TWOAT

(Atlantic)

Tropical Weather Outlook ABPZ20 KNHC TWOEP

(Eastern Pacific)

Tropical Cyclone Discussion WTNT41-45 KNHC TCDAT1-5

(Atlantic)

Tropical Cyclone Discussion WTPZ41-45 KNHC TCDEP1-5

(Eastern Pacific)

This expansion in the number of available mixed-case text

products is a continuation of the risk-reduction effort which

began in August 2010. At that time, NWS began issuing
National

Public Information Notice (PNS) products using mixed-case
letters

and the expanded punctuation/character set (Table 3):

http://www.weather.gov/os/notification/scn10-28mixed_case.txt

AFD, RWS and PNS products at select Weather Forecast Offices

(WFOs) in October 2011:

http://www.nws.noaa.gov/os/notification/pns11mixedcase.txt

some RiverPro generated products at select WFOs in July 2013:

pns13atan1096riverpro.txt

and the PWO product issued by the Storm Prediction Center in
July

2013:

pns13spcmixedcase.txt

The NWS first began seeking comments regarding mixed-case
text

products in May 2010:

http://www.weather.gov/os/notification/pns10mixed_case.txt

NWS partners and users of these NHC text products are
encouraged

to consider the NWS intent and comment regarding this next
step

in the risk reduction effort. User feedback will help the NWS

better plan the eventual transition of all NWS text products
to

mixed case and the expanded character set.

Please provide comments at:

http://www.weather.gov/survey/nws-survey.php?code=mixed-case

Use of mixed-case letters in text products will make them
easier

to read and allow users to click on internet links directly

rather than converting them to lower or mixed case.
Additional

punctuation and other characters that are part of the

international reference Alphabet No. 5 will also be included
as

appropriate.

Table 3: Allowed Mixed Case Character Set

"space" ! " # $ % & ( ) * + , - . /

0 1 2 3 4 5 6 7 8 9 : ; < = > ?

@ A B C D E F G H I J K L M N O

P Q R S T U V W X Y Z [ ] ^ _

` a b c d e f g h i j k l m n o

p q r s t u v w x y z { | } ~

In this phase of our risk reduction effort partners and users

will have the opportunity to further identify and correct any

anomalous behavior of their systems and their customers
systems

that may be caused by mixed case and the expanded
punctuation/

character set in these text products.

Partners and users should be aware these products may revert
back

to using all uppercase letters at any time if the NHC
determines

it to be necessary to meet operational requirements.

For more information, please contact:

Chris Landsea

Science and Operations Officer

NOAA/NWS/NCEP/National Hurricane Center

Miami, Florida 33165

305-229-4446

chris.landsea@noaa.gov

or

Mike Szkil

Chief, Awareness Branch

Silver Spring, MD 20910

301-427-9325

Michael.Szkil@noaa.gov

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm


All information obtained from the National Weather Service.

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Public Information Statement


NOUS41 KWBC 251838

PNSWSH

Public Information Statement, Comment Request

National Weather Service Headquarters Washington DC

140 PM EST Wed Feb 25 2015

To: Subscribers:

Family of Services

NOAA Weather Wire Service

Emergency Managers Weather Information Network

NOAAPort

Other NWS partners and employees

From: Robert Rutledge, Acting Chief, Aviation Services

Branch

SUBJECT: Soliciting Comments by March 20, 2015, on the

experimental Helicopter Emergency Medical Services

(HEMS) Tool

NWS is seeking comments on its experimental Helicopter
Emergency

Medical Services (HEMS) Tool. HEMS can overlay multiple
fields

of interest: ceiling, visibility, flight category, winds,

relative humidity, temperature, icing, satellite, radar (base

and composite reflectivity), G-AIRMETs, SIGMETs, METARs, TAFs

and PIREPs. Overlays include navigational aids, airports and

heliports for the entire United States. More detail is
revealed

as you zoom in and individual layers can be turned on or off

independently. The tool is not a weather product; it is a
display

that aggregates a number of existing weather products into a

single, quick-glance, automated graphic. All underlying
products

have already gone through a safety risk management process.

HEMS flights represent commercial aviation activity performed
by

FAA certificated air carrier operators; therefore, operations

must have the highest level of safety. Per requirement of the

Federal Aviation Administration, the Aviation Digital Display

Site (ADDS) development team created a tool specifically

designed to show weather conditions for short-distance and
low-

altitude flights that are common for the HEMS community. By

using a highly interactive and intuitive tool that focuses on

small, localized regions, HEMS operators gain critical
weather

awareness to make their flights safer for crews and patients.

A graphic of the HEMS tool front page os online at:

http://www.nws.noaa.gov/om/aviation/images/hems.png

The HEMS Tool will be continuously updated and available
online:

http://testbed.aviationweather.gov/hemst

Comments will be collected through March 20, 2015, via the

online survey linked below:

http://www.nws.noaa.gov/survey/nws-survey.php?code=HEMS-Tool

or via comments provided to ncep.awc.avwx@noaa.gov

For further information please contact:

Kevin Stone

NWS Aviation Services Branch

Silver Spring, Maryland 20910

Phone 301.427.9363

Email: Kevin.Stone@noaa.gov

National Public Information Statements are online at:

http://www.nws.noaa.gov/om/notif.htm


All information obtained from the National Weather Service.

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Public Information Statement


NOUS41 KWBC 241254 AAD

PNSWSH

Public Information Notice, Comment Request: Amended

National Weather Service Headquarters Washington DC

755 AM EST Tue Feb 24 2015

To: Subscribers:

-Family of Services

-NOAA Weather Wire Service

-Emergency Managers Weather Information Network

-NOAAPORT

Other NWS Partners and NWS Employees

FROM: Eli Jacks

Chief, Fire and Public Weather Services Branch

SUBJECT: Amended: Soliciting Comments through April 15, 2015,
on

an Experimental Sperry-Piltz Ice Accumulation Index at

Select NWS Weather Forecast Offices

Amended to change the product name to Sperry-Piltz Ice

Accumulation Index. No change is being made to the product

content.

Amended to add WFO Atlanta (FFC) to the list of participating

WFOs and update PDD and WFO URLs.

NWS is accepting comments through April 15, 2015, on an

experimental Sperry-Piltz Ice Accumulation (SPIA) Index.

http://www.nws.noaa.gov/survey/nws-survey.php?code=SPISA

Select NWS Weather Forecast Offices (WFO) (Table 1) will
produce

web graphics depicting the potential impact of freezing rain
and

wind on exposed electrical systems to enhance their decision

support services.

Current NWS Ice Storm Warnings are issued based on forecast
ice

accumulation only, typically one quarter of an inch or
greater.

The combined effect of ice and wind, which more realistically

describes damage potential, is not formally set as warning

criteria.

By using the SPIA Index, NWS should be able to provide a
better

understanding of ice storm impact potential to local, state
and

federal response entities. The potential impacts are scaled
from

0 to 5 and suggest potential electrical outage coverage and

duration.

Until now, the NWS has not attempted to routinely quantify
the

impact of ice storms. The use of this index will allow the
NWS

to evaluate the potential of providing these specifics. For

example, a Level 5 ice storm would be defined as one causing

catastrophic damage to entire exposed utility systems,
including

both distribution and transmission networks. Outages could
last

several weeks in some locations.

Graphics showing forecast index values will be available as
part

of the routine forecast provided online for the following
WFOs:

Table 1: Participating WFOs and url:

-------- ---------------------------

WFO Atlanta (FFC)

http://www.srh.noaa.gov/ffc/?n=ice_impact_index

WFO Tulsa (TSA)

http://www.srh.noaa.gov/tsa/?n=ice_impact_index

WFO Little Rock (LZK)

http://www.srh.noaa.gov/lzk/?n=ice_impact_index

WFO Jackson (JAN)

http://www.srh.noaa.gov/jan/?n=ice_impact_index

WFO Nashville (OHX)

http://www.srh.noaa.gov/ohx/?n=ice_impact_index

WFO Memphis (MEG)

http://www.srh.noaa.gov/meg/?n=ice_impact_index

WFO Norman (OUN)

http://www.srh.noaa.gov/oun/?n=ice_impact_index

WFO Springfield (SGF)

http://www.crh.noaa.gov/sgf/?n=ice_impact_index

WFO Pleasant Hill (EAX)

http://www.crh.noaa.gov/eax/?n=ice_impact_index

WFO St. Louis (LSX)

http://www.crh.noaa.gov/lsx/?n=ice_impact_index

WFO Paducah (PAH)

http://www.crh.noaa.gov/pah/?n=ice_impact_index

More information regarding the SPIA Index is online in a
Product

Description Document:

http://products.weather.gov/PDD/PDD-SPIA_November2014.pdf

During this comment period, a proactive effort will be made
to

educate users and partners of the product availability and
use.

At the end of the comment period, the NWS will make a
decision

on whether to transition the experimental SPIA Index to

operational status. The experimental SPIA Index may also be

considered for use at other WFOs and NWS Regions.

For more information please contact:

Steven Piltz

Meteorologist-in-Charge

NWS Tulsa, OK 74128

918-832-4115

steven.piltz@noaa.gov

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm


All information obtained from the National Weather Service.

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Public Information Statement


NOUS41 KWBC 191516 AAA

PNSWSH

Public Information Notice, Comment Request: Amended

National Weather Service Headquarters Washington DC

1015 AM EST Wed Feb 18 2015

To: Subscribers:

-Family of Services

-NOAA Weather Wire Service

-Emergency Managers Weather Information Network

-NOAAPORT

Other NWS Partners and NWS Employees

From: Eli Jacks

Chief, Fire and Public Weather Services Branch

Subject: Amended: Soliciting Comments until July 31, 2015,

on the Experimental Model Spread/Spectrum

Amended to extend comment period through July 31, 2015

Corrected to specify only those CONUS WFOs depicted on the

experimental Enhanced Data Display web site are participating
in

this phase of the experimental Model Spread/Spectrum.

The NWS is accepting comments until July 31, 2015, on the

experimental Model Spread/Spectrum.

The experimental Model Spread/Spectrum provides a more
complete

picture of the weather forecast by showing the range of model

possibilities. The variability of the models is related to
the

amount of confidence in a forecast. A low model spread
generally

means higher confidence, while a large model spread implies

lower confidence. You can use this product to make a more

informed decision. There are also options to choose the NWS

forecast if you feel uncomfortable with your interpretation.

The experimental Model Spread/Spectrum is available online
only

for those CONUS Weather Forecast Offices (WFOs) depicted on
the

experimental Enhanced Data Display (EDD) at:

http://preview.weather.gov/edd

The button labeled Model Spread can be found under the Quick

Layers menu on the left hand side.

More information regarding the experimental Model

Spread/Spectrum is available online at:

http://products.weather.gov/viewliste.php

Please submit comments to the following link:

http://www.nws.noaa.gov/survey/nws-survey.php?code=NPQRMS

Comments will be collected until July 31, 2015. At that time,

the NWS will evaluate feedback to determine whether to

transition the Model Spread/Spectrum to operational status as
a

National Product, discontinue it, or revise and extend the

experimental feedback period.

For more information, please contact:

Jonathan Wolfe

NWS Emergency Response Specialist

Charleston, WV 25309

304-746-0188

Jonathan.Wolfe@noaa.gov

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm


All information obtained from the National Weather Service.

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Public Information Statement


NOUS41 KWBC 181447

PNSWSH

Public Information Statement, Comment Request

National Weather Service Headquarters Washington DC

945 AM EST Wed Feb 18 2015

To: Subscribers:

Family of Services

NOAA Weather Wire Service

Emergency Managers Weather Information Network

NOAAPort

Other NWS partners and employees

From: Mark Tew

Acting Chief, Meteorological Services Division

SUBJECT: Soliciting Comments by October 31, 2015 on the

Experimental Collaborative Aviation Weather

Statement (CAWS)

Effective 1500 UTC March 3, 2015, the NWS Aviation Weather

Center (AWC) in Kansas City, MO, will implement the
experimental

Collaborative Aviation Weather Statement (CAWS). The CAWS is
a

new product collaborated by NWS meteorologists, airline

meteorologists, and other airline and Federal Aviation

Administration (FAA) personnel. CAWS focuses on specific,

convective impacts to the Core 29 airports and high traffic

en-route corridors. The product is event-driven, supporting
the

ability of the FAA to more effectively initiate, adjust or

terminate planned or active Traffic Management Initiatives
(TMI)

to balance traffic demand in the constraint locations.

The CAWS product is a step towards the FAA operational use of

probabilistic weather information and is an output of a

collaborative Operational Bridging (OB) process. The OB
concept

is a set of weather forecasting processes, communication
tools

and engagement protocols between meteorologists and Air
Traffic

Management (ATM) decision makers. The intent is to accelerate

the transition of aviation weather forecasts from
probabilistic

(e.g., 50 percent probability, 70 percent probability, etc.)

to operationally relevant (e.g., event-driven) and enable

more timely ATM decisions based on improved precision

(e.g., location, duration, magnitude of weather) and National

Airspace System predictability.

NWSChat (password protected) will be a web-based platform for

CAWS continuous collaboration. Only authorized users may

participate in the CAWS chat. The AWC meteorologists,
National

Aviation Meteorologists, Center Weather Service Unit

meteorologists, ATM decision makers, and others will
collaborate

on CAWS before issuance. An example of the CAWS guidance in

ASCII coded text is shown below:

Collaborative Aviation Weather Statement 001

NWS Aviation Weather Center Kansas City MO

1345 UTC Wed 03 Aug 2014

Weather: Thunderstorms

Valid: 1600-1900Z

ARTCCs affected: ZJX, ZMA

Terminals affected: MCO, TPA

SUMMARY: Thunderstorms along the W coast of FL are expected
to

move inland and become numerous throughout the central FL

peninsula during the early afternoon hours.

DISCUSSION: Scattered thunderstorms primarily overwater along

the W coast of FL are expected to move inland and increase to

numerous across the center of the FL peninsula through the
early

afternoon, more quickly and with greater coverage than shown
by

CCFP. Thunderstorm tops will reach FL450. Terminal impact at
TPA

probable after 1600Z but ending no later than 1730Z. Terminal

impact at MCO probable after 1730Z. Expect another CAWS
covering

FL thunderstorms to be issued after 1600Z.

An example of the graphic can be found at:

http://www.nws.noaa.gov/om/aviation/res/caws_pns.png

CAWS dissemination:

1) Posted on the Aviation Weather Center website:

www.aviationweather.gov/caws

2) NWS Telecommunications Gateway

3) FAA Command Center will issue an advisory when CAWS is

issued

The experimental CAWS product will be available 7 days a week

from March 3, 2015, through October 31, 2015. This product is

event driven.

The CAWS will be available at:

https://www.aviationweather.gov/caws

WMO header for the text product: FAUS11 KKCI and the AWIPS ID
is

(AWSTS). The png graphic WMO ID is PMNC00 KKCI.

NWS is accepting comments from March 3–October 31, 2015, via
the

on-line survey below:

www.nws.noaa.gov/survey/nws-survey.php?code=CAWS

or email: ncep.awc.avwx@noaa.gov

In addition, there may be opportunities for face-to-face

responses at media workshops, public outreach events, etc.

For further information please contact:

Kevin Stone

NWS Aviation Services Branch

Silver Spring, Maryland 20910

Phone 301.427.9363

Email: Kevin.Stone@noaa.gov

National Public Information Statements are online at:

http://www.nws.noaa.gov/om/notif.htm


All information obtained from the National Weather Service.

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Public Information Statement


NOUS41 KWBC 011830

PNSWSH

Public Information Statement, Comments Sought

National Weather Service Headquarters Washington DC

230 PM EDT Tue Jul 1 2014

To: Subscribers:

-Family of Services

-NOAA Weather Wire Service

-Emergency Managers Weather Information Network

-NOAAPORT

Other NWS users and employees

From: Kevin Scharfenberg

NWS Pilot Program Manager

Subject: Seeking Comment and Review on Experimental Severe

Weather Impact Graphics, CONUS only, through

December 11, 2014

Beginning July 1, 2014, through December 11, 2014, NWS is
seeking

public comment and review on experimental Severe Weather
Impact

Graphics. The experimental graphics are available online at:

http://www.crh.noaa.gov/crh/?n=impact

A single graphic depicting the warning area, storm
information,

and societal impact statistics will be automatically produced

upon the initial issuance of, and subsequent updates to, each
NWS

text short-fuse warning product: Tornado Warning, Severe

Thunderstorm Warning, Flash Flood Warning, and Extreme Wind

Warning.

During the experimental period, the graphics will only be

produced for short-fuse warning products issued within the

Contiguous United States (CONUS) and will be removed from the
web

service upon expiration of the associated text warning.

The experimental graphics are described in detail, with
example

graphics included, in a Product Description Document
available

online at:

http://products.weather.gov/PDD/PDD_SVRgraphics_final.pdf

Comments and feedback on this experimental service may be

directed to the NWS via an online survey form at:

http://www.nws.noaa.gov/survey/nws-survey.php?code=EGSFWKS

Comments will be collected through December 11, 2014. At that

time, NWS will evaluate feedback and determine whether to

transition the experimental service to operational status,

discontinue it, or revise and extend the experimental
feedback

period.

For questions regarding this notice or the experimental
short-

fuse warning graphics, please contact:

Brian Walawender

Chief, Information Technology Branch

NWS Central Region Headquarters

Kansas City, MO 64153-2371

E-mail: nws.ipwg@noaa.gov

National Public Information Notices are online at:

http://www.weather.gov/os/notif.htm


All information obtained from the National Weather Service.

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WSR-88D Radar Outage Notification / Free Text Message


NOUS63 KGRR 102049
FTMGRR
Message Date: Feb 10 2015 20:49:59

KGRR RADAR IS OPERATION, AS OF 2047Z.



All information obtained from the National Weather Service.

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