Alert archive / Pennsylvania / Flash Flood Warnings in 1994
Flash Flood Warning 34, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 6, 1994, 4:10 PM EDT for McKean County, Potter County, Pennsylvania. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1994, 4:10 PM EDT (20:10 UTC)
- Expired
- Jul 6, 1994, 6:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties McKean County, PA, Potter County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.2 hours before the alert went out and 134 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
- 362 J/kg
- Mixed-layer CIN
- -132 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KERI 062012 FFWERI PAC083-105-062215- BULLETIN - EBS ACTIVATION REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ERIE PA 410 PM EDT WED JUL 6 1994 THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 615 PM EDT FOR THE FOLLOWING LOCATIONS... IN NORTHWEST PENNSYLVANIA ...MCKEAN COUNTY...POTTER COUNTY RADAR AT 410 PM EDT SHOWED POSSIBLE SEVERE THUNDERSTORMS LOCATED OVER MCKEAN AND POTTER COUNTIES. THE THUNDERSTORMS WERE MOVING SLOWLY TO THE EAST-SOUTHEAST AT 10 TO 15 M . IN ADDITION TO PRODUCING POSSIBLE DAMAGING WINDS AND LARGE HAIL... VERY HEAVY RAINFALL FROM THESE THUNDERSTORMS COULD CAUSE FLASH FLOODING OF STREAMS AND CREEKS ACROSS THE WARNED AREA. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. BCL/TJP/NRS
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, Jul 6, 2:39 PM EDT, 1 hour 31 minutes before
OHZ001>009-015>019-051935- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 239 PM EDT TUE JUL 5 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHWESTERN OHIO UNTIL 8 PM EDT. SOME CITIES IN THE WATCH AREA INCLUDE TOLEDO AND DEFIANCE. AT 239 PM EDT CLEVELAND DOPPLER RADAR INDICATED NO PRECIPITATION IN THE WATCH AREA. HOWEVER...SCATTERED THUNDERSTORMS WERE LOCATED OVER SOUTHERN OHIO. THE STORMS WAS MOVING TO THE NORTHWEST AT 15 MILES AN HOUR. THE AIRMASS ACROSS NORTHWEST OHIO IS VERY MOIST AND UNSTABLE...AND THERE IS A GOOD CHANCE THAT SEVERE THUNDERSTORMS COULD DEVELOP ACROSS THE WATCH AREA THIS AFTERNOON AND EVENING. PEOPLE IN AND CLOSE TO THE WATCH AREA SHOULD KEEP UP TO DATE ON THE LATEST WEATHER INFORMATION...AND BE PREPARED TO MOVE TO SAFETY SHOULD THREATENING WEATHER APPROACH OR A WARNING BE ISSUED. HOVIS
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:39 PM EDT | Severe Thunderstorm Warning | CLE | McKean | 66 min |
| Jul 6, 3:44 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 61 min |
| Jul 6, 4:32 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 58 min |
| Jul 6, 4:53 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 67 min |
| Jul 6, 5:24 PM EDT | Severe Thunderstorm Warning | CLE | Forest, Venango | 66 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.