Alert archive / Pennsylvania / Flash Flood Warnings in 2004
Flash Flood Warning 21, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 12, 2004, 12:48 PM EDT for Warren County, Pennsylvania. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 12, 2004, 12:48 PM EDT (16:48 UTC)
- Expired
- Jul 12, 2004, 4:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Counties, with a storm outline in the text
County Warren County, PA
The radar
The Buffalo radar (KBUF), 128 km from the middle of the area, began a volume at 16:40 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.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 4.8 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 605 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 846 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS51 KCTP 121650 FFWCTP PAC123-122045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 1248 PM EDT MON JUL 12 2004 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * FLASH FLOOD WARNING FOR... WARREN COUNTY IN NORTH CENTRAL PENNSYLVANIA * UNTIL 445 PM EDT. * AT 1246 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAINFALL. SLOW MOVING THUNDERSTORMS ARE PRODUCING TORRENTIAL RAINFALL IN THE WARNED AREA. RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING...ESPECIALLY NEAR COLUMBUS...SPRING CREEK...GARLAND AND TIDIOUTE. 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. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. NEVER ATTEMPT TO CROSS HIGH WATER IN A VEHICLE OR ON FOOT PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1-877-633-6772. LAT...LON 4200 7894 4164 7897 4165 7962 4199 7960 $$ KL/MMD
1 follow-up statement
000 WGUS71 KCTP 122010 FFSCTP PAC123-122030- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 407 PM EDT MON JUL 12 2004 ...THE FLASH FLOOD WARNING WHICH WAS IN EFFECT FOR WARREN COUNTY HAS BEEN CANCELLED... SOME ADDITIONAL SCATTERED SHOWER AND THUNDERSTORM ACTIVITY IS EXPECTED THROUGH THE EVENING HOURS...WIDESPREAD HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA MAY CONTINUE TO RUN HIGH THROUGH THIS EVENING...BUT SHOULD REMAIN IN THEIR BANKS. $$
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 10:05 AM EDT | Flash Flood Warning | CTP | Schuylkill | 4 hr |
| Jul 12, 3:28 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 62 min |
| Jul 12, 4:27 PM EDT | Flash Flood Warning | CTP | Perry | 4 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2004Every flash flood warning in 2004
Sources
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.