Flash Flood Warning 8, NWS State College, PA

Issued

May 21, 2004, 4:54 AM EDT (08:54 UTC)

Expired

May 21, 2004, 9:00 AM EDT

In force

4 hr

Issued by

NWS State College, PA

Area

Counties, with a storm outline in the text

County Clearfield County, PA

The State College radar (KCCX), 45 km from the middle of the area, began a volume at 08:53 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

000 
WGUS51 KCTP 210902
FFWCTP
PAC033-211300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
454 AM EDT FRI MAY 21 2004

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLEARFIELD COUNTY IN CENTRAL PENNSYLVANIA

* UNTIL 900 AM EDT.

* AT 444 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAINFALL.

A NEARLY STATIONARY LINE OF THUNDERSTORMS WILL CONTINUE TO 
PRODUCE TORRENTIAL RAINFALL IN THE WARNED AREA...BEFORE GRADUALLY 
TAPERING OFF TO A STEADY MODERATE RAIN BETWEEN 730 AM AND 830 AM.  
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH 
FLOODING...ESPECIALLY IN THE WESTERN AND SOUTHERN PORTIONS OF 
CLEARFIELD COUNTY. 

LOCATIONS MOST PRONE TO FLASH FLOODING ARE THE TOWNS OF 
MAHAFFEY...NEW WASHINGTON AND BURNSIDE...INCLUDING THE SNYDER RUN 
BASIN...BEAR RUN...CHEST RUN...AND MILLER RUN NEAR THE SUSQUEHANNAS 
WEST BRANCH. FLASH FLOODING MAY EXTEND AS FAR NORTH AS DUBOIS AND 
ROCKTON.  

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO
HIGHER GROUND.

SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT 
ROADS AND FLOODING NEARBY LOW AREAS. BE ESPECIALLY CAUTIOUS AT NIGHT 
WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH 
FLOODS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. NEVER ATTEMPT TO CROSS HIGH WATER IN A VEHICLE OR ON FOOT


CAMPERS IN THE WARNED AREA MUST MOVE TO HIGHER GROUND IMMEDIATELY.

LAT...LON 4119 7879 4109 7842 4104 7821 4080 7835
          4074 7841 4073 7879

$$

LAMBERT/LIPTON

000 
WGUS71 KCTP 211051
FFSCTP
PAC033-211345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
650 AM EDT FRI MAY 21 2004


...A FLASH FLOOD WARNING CONTINUES FOR CLEARFIELD COUNTY UNTIL 900 AM
EDT...

AT 642 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT A 
CLUSTER OF THUNDERSTORMS ALONG A LINE EXTENDING KYLERTOWN TO GLEN 
HOPE WAS PRODUCING MAJOR FLOODING IN THE SOUTHERN PORTION OF THE 
COUNTY...ESPECIALLY NEAR AND IN MAHAFFEY.

THE THUNDERSTORMS PRODUCING HEAVY RAIN WILL BE PUSHING TO THE 
SOUTHEAST AND DECREASING IN INTENSITY AND COVERAGE THROUGH 730 
AM...BUT LIGHT RAIN WILL CONTINUE THROUGH 9 AM. 

RUNOFF FROM THIS EXCESSIVE RAINFALL IS CAUSING FLASH FLOODING IN AND 
AROUND MAHAFFEY. EVEN AFTER THE RAINS DIMINISH...FLOODING MAY WORSEN 
AS THE WATER FROM THE EARLIER THUNDERSTORMS RUNS INTO THE STREAMS 
AND RIVERS. 

SMALL CREEKS AND STREAMS WILL RAPIDLY FLOOD...POSSIBLY WASHING OUT 
ROADS AND FLOODING NEARBY LOW AREAS. MANY ROAD CLOSURES ARE ALREADY 
IN EFFECT IN SOUTHWESTERN CLEARFIELD COUNTY. DO NOT DRIVE YOUR 
VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. VEHICLES 
CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. NEVER ATTEMPT TO CROSS HIGH WATER IN A VEHICLE OR ON FOOT

LAT...LON 4108 7808 4121 7881 4073 7882 4073 7838

$$

DANGELO

Flash Flood Warnings in Pennsylvania, 2004Every flash flood warning in 2004

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