Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 25, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 20, 1994, 2:00 PM EDT for Clinton County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1994, 2:00 PM EDT (18:00 UTC)
- Expired
- Aug 20, 1994, 4:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS State College, PA
- Area
- Whole counties
County Clinton County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.0 hours before the alert went out and 208 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
- 454 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1189 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCTP 201802 FFWCTP PAC035-202000- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 200 PM EDT SAT AUG 20 1994 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A FLOOD WARNING FOR SMALL STREAMS AND POOR DRAINAGE AREAS EFFECTIVE UNTIL 400 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN PENNSYLVANIA ...CLINTON COUNTY AT 155 PM EDT... DOPPLER RADARS FROM STATE COLLEGE AND PITTSBURGH INDICATE VERY HEAVY RAINFALL UPWARDS OF 2 INCHES IN THE LAST HOUR OVER PARTS OF CLINTON COUNTY FROM TWO NEARLY STATIONARY THUNDERSTORMS. THE FIRST WAS 15 MILES SOUTH OF RENOVO AND THE OTHER WAS 10 MILES NORTHEAST OF RENOVO. MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. 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 20, 1:52 PM EDT, 8 minutes before
PAZ004>006-010>012-017>019-045-046-049>053-201955- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 152 PM EDT SAT AUG 20 1994 ...SLOW MOVING THUNDERSTORMS FORMING OVER CLINTON COUNTY... AT 150 PM STATE COLLEGE DOPPLER RADAR SHOWED TWO THUNDERSTORMS OVER CLINTON COUNTY. THE FIRST STORM WAS 15 MILES OF RENOVO AND THE SECOND STORM WAS 10 MILES NORTHEAST OF RENOVO. THESE STORMS WERE NEARLY STATIONARY AND WILL PRODUCE LOCALLY HEAVY RAINFALL. IF THREATENING WEATHER APPROACHES TAKE SAFE SHELTER IMMEDIATELY. LA CORTE/NICOSIA
Special weather statement, Aug 20, 1:53 PM EDT, 7 minutes before
PAZ004>006-010>012-017>019-045-046-049>053-201955- SPECIAL WEATHER STATEMENT - NATIONAL WEATHER SERVICE STATE COLLEGE PA 152 PM EDT SAT AUG 20 1994 ...SLOW MOVING THUNDERSTORMS FORMING OVER CLINTON COUNTY... AT 150 PM STATE COLLEGE DOPPLER RADAR SHOWED TWO THUNDERSTORMS OVER CLINTON COUNTY. THE FIRST STORM WAS 15 MILES OF RENOVO AND THE SECOND STORM WAS 10 MILES NORTHEAST OF RENOVO. THESE STORMS WERE NEARLY STATIONARY AND WILL PRODUCE LOCALLY HEAVY RAINFALL. IF THREATENING WEATHER APPROACHES TAKE SAFE SHELTER IMMEDIATELY. LA CORTE/NICOSIA
Special weather statement, Aug 20, 1:55 PM EDT, 5 minutes before
PAZ004>006-010>012-017>019-045-046-049>053-201955- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE STATE COLLEGE PA 155 PM EDT SAT AUG 20 1994 ...SLOW MOVING THUNDERSTORMS FORMING OVER CLINTON COUNTY... AT 150 PM STATE COLLEGE DOPPLER RADAR SHOWED TWO THUNDERSTORMS OVER CLINTON COUNTY. THE FIRST STORM WAS 15 MILES SOUTH OF RENOVO AND THE SECOND STORM WAS 10 MILES NORTHEAST OF RENOVO. THESE STORMS WERE NEARLY STATIONARY AND WILL PRODUCE LOCALLY HEAVY RAINFALL. IF THREATENING WEATHER APPROACHES TAKE SAFE SHELTER IMMEDIATELY. LA CORTE/NICOSIA
Special weather statement, Aug 20, 1:56 PM EDT, 4 minutes before
PAZ004>006-010>012-017>019-045-046-049>053-201955- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE STATE COLLEGE PA 155 PM EDT SAT AUG 20 1994 ...SLOW MOVING THUNDERSTORMS FORMING OVER CLINTON COUNTY... AT 150 PM STATE COLLEGE DOPPLER RADAR SHOWED TWO THUNDERSTORMS OVER CLINTON COUNTY. THE FIRST STORM WAS 15 MILES SOUTH OF RENOVO AND THE SECOND STORM WAS 10 MILES NORTHEAST OF RENOVO. THESE STORMS WERE NEARLY STATIONARY AND WILL PRODUCE LOCALLY HEAVY RAINFALL. IF THREATENING WEATHER APPROACHES TAKE SAFE SHELTER IMMEDIATELY. LA CORTE/NICOSIA
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 32 min |
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.