Public Information Statement
Issued by NWS National HQ

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Public Information Statement 18-06
National Weather Service Headquarters Silver Spring MD
110 PM EDT Thu Apr 26 2018

To: Subscribers:
 -NOAA Weather Wire Service
 -Emergency Managers Weather Information Network
 -NOAAPort
 Other NWS Partners and NWS Employees

From: Michelle Hawkins, Chief
 Severe, Fire, Public and Winter Weather Services Branch

Subject: Soliciting comments on PQPF graphics from May 1, 2018,
 through March 1, 2019

The National Centers for Environmental Prediction`s (NCEP)
Weather Prediction Center (WPC) is soliciting comments on the
Experimental Probabilistic Quantitative Precipitation Forecast
(PQPF) Graphics. The provision and use of PQPF information in
the forecast production process will provide users and partners
with a potential range of forecast accumulated precipitation, a
capability that is not currently possible with existing
deterministic QPF products issued by NWS Weather Forecast
Offices (WFO).

This information will allow for better communication of forecast
uncertainties and provide more effective impact-based decision
support services for communities sensitive to flood threats.
WPC, using direct input from WFOs via established collaboration
tools and protocols, will create and distribute the PQPF
guidance. WFOs will generate web graphics, depicting reasonable
least and most amounts possible as well as the most likely
scenario.

By May 1, 2018, the experimental PQPF Graphics will be available
online at the following offices:

Miami, FL: www.weather.gov/MFL/PQPFTest
Miami, FL: www.weather.gov/MFL/PQPFTest
Boston, MA: www.weather.gov/BOX/PQPFTest

Wichita, KS: www.weather.gov/ICT/PQPFTest
Melbourne, FL: www.weather.gov/MLB/PQPFTest
Milwaukee, WI: www.weather.gov/MKX/PQPFTest
Detroit, MI: www.weather.gov/DTX/PQPFTest
Salt Lake City, UT: www.weather.gov/SLC/PQPFTest

More detailed information and examples can be found in the
Product Description Document at the following link:
https://nws.weather.gov/products/PDD/PDD_for_PQPF.pdf

The electronic survey, also listed on the individual WFOs web
page, can be found at the following link:
http://www.nws.noaa.gov/survey/nws-survey.php?code=PQPF2018

NWS will provide additional opportunity for review and comment
on the experimental product before any operational decision. If
you have questions or comments regarding the Experimental PQPF
Graphics, please contact:

 James Nelson (W/NP3)
 Weather Prediction Center
 Development and Training Branch Chief
 College Park, Maryland
 301-683-1493
 James.A.Nelson@noaa.gov

NWS Public Information Statements are online at:

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



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