000
NOUS41 KWBC 161332
PNSCTP

PUBLIC INFORMATION NOTICE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
930 AM EST MON MAR 16 2009

TO:          FAMILY OF SERVICES /FOS/ SUBSCRIBERS...NOAA WEATHER
             WIRE SERVICE /NWWS/ SUBSCRIBERS...EMERGENCY MANAGERS
             WEATHER INFORMATION NETWORK /EMWIN/ SUBSCRIBERS...
             NOAAPORT SUBSCRIBERS...NATIONAL WEATHER SERVICE /NWS/
             PARTNERS AND OTHER USERS...AND NWS EMPLOYEES

FROM:     FRED MCMULLEN
             REGIONAL AVIATION AND MESOSCALE METEOROLOGIST
             NATIONAL WEATHER SERVICE EASTERN REGION HEADQUARTERS 

SUBJECT:     IMPLEMENTATION OF NEW TRACKING LINE ON
      SHORT DURATION WARNINGS AND STATEMENTS BEGINNING
             APRIL 1 2009

BEGINNING APRIL 1 2009...THE NWS WEATHER FORECAST OFFICE IN 
STATE COLLEGE, PENNSYLVANIA WILL EXPERIMENT ISSUING STORM-BASED 
STATEMENTS ON SELECT SPECIAL WEATHER STATEMENTS.  

STORM-BASED PRODUCTS WILL PROMOTE IMPROVED GRAPHICAL DISPLAYS 
AND IN PARTNERSHIP WITH THE PRIVATE SECTOR...SUPPORT A WIDER 
DISTRIBUTION OF PRODUCTS THROUGH CELL PHONE ALERTS...PAGERS...
WEB-ENABLED PERSONAL DATA ASSISTANTS /PDAS/...ETC.  IN SITUATIONS 
WHERE A MORE GENERAL SPECIAL WEATHER STATEMENT IS NEEDED (I.E. BROAD 
AREA OF STORMS...ETC) SPECIAL WEATHER STATEMENTS WILL NOT 
CONTAIN LAT / LON INFORMATION AT THE BOTTOM OF THE PRODUCT.  

A STORM-BASED PRODUCT MEANS THE GEOGRAPHICAL AREA AFFECTED IS   
DEFINED BY THE LATITUDE AND LONGITUDE PAIRS LISTED AT THE
BOTTOM OF THE WARNING PRODUCT. THE LIST OF COUNTIES IMPACTED
BY THE STATEMENT WILL CONTINUE TO BE PROVIDED IN THE CURRENT 
FORMAT TO SUPPORT THOSE USERS THAT DO NOT HAVE GRAPHICAL DEPICTIONS
OF THE WARNING AREA...INCLUDING NOAA WEATHER RADIO LISTENERS. 

THE NATIONAL WEATHER SERVICE WILL USE THE STORM BASED SERVICE ON 
THE FOLLOWING PRODUCT:

SPECIAL WEATHER STATEMENT /SPS/

THERE ARE NO CHANGES TO THE PRODUCT FORMAT...ADVANCED WEATHER 
INTERACTIVE PROCESSING SYSTEM /AWIPS/ IDENTIFIER...WORLD 
METEOROLOGICAL ORGANIZATION /WMO/ HEADING OR PRODUCT ISSUANCE 
TIMES. 

IF YOU HAVE QUESTIONS...PLEASE CONTACT:

  DAVID ONDREJIK
  WARNING COORDINATION METEOROLOGIST
  NATIONAL WEATHER SERVICE STATE COLLEGE
  328 INNOVATION BLVD., SUITE 330
  STATE COLLEGE, PA 16803
  PHONE: 814-231-2400
  EMAIL: DAVID.ONDREJIK@NOAA.GOV


SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
822 PM EST TUE FEB 17 2009

PAZ017-018-180145-
CLEARFIELD PA-NORTHERN CENTRE PA-
822 PM EST TUE FEB 17 2009

...A DANGEROUS SNOW SQUALL WILL AFFECT EASTERN CLEARFIELD AND
NORTHWESTERN CENTRE COUNTIES...

AT 818 PM EST...A DANGEROUS SNOW SQUALL WAS LOCATED NEAR
CLEARFIELD...MOVING NORTHEAST AT 25 MPH.

WIND GUSTS TO 30 MPH ARE POSSIBLE WITH THIS DANGEROUS SNOW SQUALL.
THE SNOW WILL RAPIDLY DROP VISIBILITIES IN THE SQUALL TO NEAR ZERO. 

THIS DANGEROUS SNOW SQUALL WILL BE NEAR WALLACETON AROUND 830 PM...
LECONTES MILLS AROUND 840 PM AND KARTHAUS AROUND 845 PM.

THIS WILL IMPACT I-80 BETWEEN MILE MARKERS 120 AND 136.

THIS WILL ALSO IMPACT ROUTE 322.

USE EXTREME CAUTION IF YOU MUST TRAVEL INTO OR THROUGH THIS
POTENTIALLY DANGEROUS SNOW SQUALL. CONSIDER DELAYING TRAVEL UNTIL THE
SQUALL PASSES YOUR LOCATION.

LAT...LON 4123 7817 4107 7796 4082 7833 4095 7850

$$
EXPERIMENTAL