Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 34, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 25, 1994, 9:34 PM EDT for Cumberland County, Pennsylvania. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Aug 25, 1994, 9:34 PM EDT (01:34 UTC)
- Expired
- Aug 26, 1994, 2:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Cumberland County, PA
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.6 hours before the alert went out and 135 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
- 842 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 981 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 260137 FFWCTP PAC041-260600- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 934 PM EDT THU AUG 25 1994 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 200 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...CUMBERLAND COUNTY AT 930 PM EDT... DOPPLER RADAR FROM STATE COLLEGE SHOWED THUNDERSTORMS WITH VERY HEAVY RAINFALL FROM THE STATE COLLEGE AREA SOUTH ACROSS CUMBERLAND COUNTY. THE THUNDERSTORMS WERE MOVING SOUTHEAST AND PROLONGED HEAVY RAINFALL WILL OCCUR IN CUMBERLAND COUNTY IN THE NEXT 1 TO 3 HOURS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. NICOSIA
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Aug 25, 3:46 PM EDT, 5 hours 48 minutes before
PAZ004>006-010>012-017>019-024>028-033>037-041-042- 045-046-049>053-056>059-063>066-252100- SPECIAL WEATHER STATEMENT AND NOWCAST NATIONAL WEATHER SERVICE STATE COLLEGE PA 340 PM EDT THU AUG 25 1994 ...ISOLATED THUNDERSTORMS WILL BE OVER CENTRAL PENNSYLVANIA THIS AFTERNOON... STORMS WITH TORRENTIAL RAIN...AND POSSIBLE BRIEF GUSTY WINDS AND SMALL HAIL...WERE OVER WESTERN PENNSYLVANIA...JUST WEST OF DUBOIS ...AND 20 MILES NORTH OF WILLIAMSPORT AT 330 PM. THESE STORMS ARE MOVING SOUTHEAST AT 20 MILES AN HOUR...AND WILL BE JUST EAST OF WILLIAMSPORT AND PHILIPSBURG BY 5 PM. OTHER STORMS WERE JUST SOUTHEAST OF ERIE...AND WILL BE MOVING ACROSS SOUTHWEST WARREN COUNTY BY 430 PM. THESE STOHRMS MAY HAVE BRIEF GUSTY WINDS AND SMALL HAIL. IF THREATENING WEATHER OCCURS...SEEK SHELTER QUICKLY. MARTIN
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 25, 8:01 PM EDT | Tornado Warning | CTP | Perry | 59 min |
| Aug 25, 8:13 PM EDT | Tornado Warning | CTP | Cumberland, Dauphin | 62 min |
| Aug 25, 8:30 PM EDT | Flash Flood Warning | CTP | Centre, Union | 4 hr |
| Aug 25, 8:50 PM EDT | Flash Flood Warning | CTP | Clinton | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1994Every flash flood warning in 1994
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.