Flash Flood Warning 58, NWS State College, PA

Issued

Jul 24, 1995, 6:30 PM EDT (22:30 UTC)

Expired

Jul 24, 1995, 7:35 PM EDT

In force

65 min

Issued by

NWS State College, PA

Area

Whole counties

County York County, PA

The Sterling radar (KLWX), 124 km from the middle of the area, began a volume at 22:29 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
TTAA00 KCTP 242239
FFWCTP
PAC133-242335-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
635 PM EDT MON JUL 24 1995
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  730 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN  PENNSYLVANIA
 
   ...NORTHERN YORK COUNTY
 
...HEAVY RAINS THIS AFTERNOON HAVED RESULTED IN SOME LOCAL FLOODING
ACROSS NORTHERN YORK COUNTY...
 
PORTIONS OF ROUTE 74 ARE UNDER WATER...MAINLY FROM DOVER TO DRILLSBURG.
 
HEAVY RAIN HAS MOVED EAST OF THE AREA...ALTHOUGH A FEW SHOWERS MAY
PERSIST FOR A NEXT HOUR OR SO.
 
PERSONS ACROSS THE AREA SHOULD BE ALERT FOR FLOODED ROADS.
 
DO NOT DRIVE YOzUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
 
 
&
 
MARTIN

NWS State College, PA wrote its last area forecast discussion before this flash flood warning went out at Jul 24, 2:12 PM EDT, 4 hours 18 minutes earlier.

CENTRAL PENNSYLVANIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
200 PM EDT MON JUL 24 1995

HEAVIEST PRECIP MOVING INTO E PA ATTM. KCCX RADAR SHOWING BROKEN
LINE OF SHOWERS (SOME HVY) MOVING E ACROSS SUS VALLEY. RADAR 3-HR
PRECIP AMOUNTS SHOWING ARND .80" ACROSS SOUTHERN UNION CNTY WITH
ANOTHER MAX ALONG ERI SHORE OF 1.1" ...LESSER AMOUNTS ELSEWHERE.
ACROSS THE WESTERN 1/2 OF PA PRECIP MORE WIDELY SCT.

SHRT WV AND ASSOCIATED DYNAMICS WILL LIFT NE AWAY FROM AREA
OVERNIGHT. THEN WERE IN FOR A DRY PERIOD UNTIL NEXT (SOMEWHAT
STRONGER) 5H SHRTWV MOVES NE INTO STATE ON TUE. NGM AND ETA
SHOWING A FEW DIFFRENCES WHICH MAKES FCST DIFFICULT. BUT ALL
MODELS DO AGREE THAT NXT SHRTWV WILL LIFT NE ACROSS AREA LATE
TUESDAY BRINGING WITH IT ANOTHER ROUND OF RW/TRW.

TUE AFTN LOOKS RIPE FOR SVR WX ACROSS CENTRAL PA IF: 1) WE GET
SOME SUNSHINE. 2) IF ETA MODEL IS CORRECT.

ETA MODEL HAS THE 8H JET WORKING INTO CENTRAL PA BY F36 (NGM MUCH
FURTHER EAST WITH 8H JET). LI'S IN THE -4 TO -6 RANGE ACROSS E
PA. RR QUAD OF UPPER JET ACROSS CENTRAL PA WITH STRONG DIVERGENCE
ALOFT ON GRIDDED DATA. NEG FACTORS: CAPE VALUES FCST AT F36 TO BE
LOW ARND 1200 J/KG ACROSS EXTREME E PA. DEEP LAYR OF MOISTURE TO
700. MO CLDY SKIES FCST.

FCST...TONIGHT... RW/TRW ENDING ARND MIDNIGHT ACROSS E PA...
DURING THE EVE ACROSS W PA. CLDS AND FOG OVERNIGHT.
       TUESDAY...PARTLY CLOUDY WITH RW/TRW DEVELOPING ACROSS SW
PA IN THE MORN AND SPREADING INTO NE PA BY LATE AFTN.
       TUESDAY NIGHT...EVENING TRW/RW THEN MUGGY WARM WITH PATCHY
FOG.
       WEDNESDAY...PTLY SUNNY

WINTHER

Flash Flood Warnings in Pennsylvania, 1995Every flash flood warning in 1995

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.