Alert archive / Pennsylvania / Flash Flood Warnings in 1991
Flash Flood Warning 5, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at May 13, 1991, 2:51 PM EDT for Cameron County, Elk County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 13, 1991, 2:51 PM EDT (18:51 UTC)
- Expired
- May 13, 1991, 6:00 PM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Cameron County, PA, Elk County, PA
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.9 hours before the alert went out and 168 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1762 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KERI 131851
FFWERI
PAC047-023-132200-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ERIE PA
251 PM EDT MON MAY 13 1991
THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING
EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE NORTHWEST PART OF PENNSYLVANIA
SOUTHERN ELK...SOUTHERN CAMERON
AT 245 PM EDT RADAR INDICATED STRONG THUNDERSTORMS PRODUCING VERY
EAVY RAINFALL OVER SOUTHERN ELK COUNTY WITH THE STRONGEST STORMS
NEAR WEEDVILLE IN ELK COUNTY. THESE STORMS WERE MOVING TOWARD THE
EAST AT ABOUT 20 MILES AN HOUR.
A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS 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.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROADWAY.
THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT. IT IS IMPORTANT TO
KNOW WHERE YOU ARE IN RELATION TO STREAMS...RIVERS...OR CREEKS THAT
CAN BECOME DEADLY WHEN SWOLLEN BY HEAVY RAIN.
RRWhat 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, May 13, 11:49 AM EDT, 3 hours 2 minutes before
OHZALL-141200- SEVERE WEATHER OUTLOOK FOR OHIO NATIONAL WEATHER SERVICE CLEVELAND OH 1155 AM EDT MON MAY 13 1991 THE NATIONAL SEVERE STORMS FORECAST CENTER IN KANSAS CITY SAYS THAT THERE IS A SLIGHT CHANCE OF SEVERE THUNDERSTORMS OVER NORTHEAST OHIO TODAY AND TONIGHT. MORAVEK
Special weather statement, May 13, 1:11 PM EDT, 1 hour 40 minutes before
PAZ001-002-003-131900 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 103 PM EDT MON MAY 13 1991 ...THUNDERSTORMS ARE DEVELOPING RAPIDLY ACROSS PORTIONS OF NORTHERN PENNSYLVANIA... DURING THE PAST HOUR ERIE WEATHER RADAR SHOWED RAPID DEVELOPMENT OF THUNDERSTORMS IN PARTS OF WARREN...MCKEAN...POTTER AND ELK COUNTIES IN NORTHERN PENNSYLVANIA. THESE STORMS ARE LIKELY TO PRODUCE VERY HEAVY DOWNPOURS AND EXCESSIVE LIGHTNING...AND POSSIBLY SOME HAIL AND STRONG WINDS. DUE TO AN UNSTABLE AIRMASS ACROSS THE DISTRICT...THUNDERSTORMS ARE LIKELY TO CONTINUE ACROSS NORTHWEST PENNSYLVANIA AND THE NORTHERN MOUNTAINS... THROUGHOUT THE AFTERNOON HOURS. SANDSTROM/WELLS
Special weather statement, May 13, 2:14 PM EDT, 37 minutes before
PAZ002-003-004-132000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 204 PM EDT MON MAY 13 1991 ...STRONG THUNDERSTORMS ARE CONTINUING ACROSS PARTS OF NORTHWEST PENNSYLVANIA AND THE NORTHERN MOUNTAINS... AT 2 PM ERIE WEATHER RADAR INDICATED STRONG THUNDERSTORMS IN PARTS OF WARREN... MCKEAN...POTTER...ELK AND CAMERON COUNTIES IN PENNSYLVANIA. THE STORMS WERE MOVING TO THE EAST SOUTHEAST AT AROUND 20 MILES AN HOUR. SOME OF THESE STORMS ARE PRODUCING VERY HEAVY RAIN THAT MAY CAUSE SOME FLOODING OF LOWLANDS AND POOR DRAINAGE AREAS...EXCESSIVE LIGHTNING...AND POSSIBLY SOME HAIL AND STRONG WINDS. PERSONS SHOULD KEEP A LOOKOUT FOR THREATENING WEATHER...AS THESE STORMS SHOULD CONTINUE THROUGHOUT THE AFTERNOON HOURS. SANDSTROM/WELLS/REEDY
Special weather statement, May 13, 2:26 PM EDT, 25 minutes before
OHZALL-DDHHMM- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 225 PM EDT MON MAY 13 1991 THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSIBLE HAIL WAS DEVELOPING OVER NORTHEAST OHIO THIS AFTERNOON. AT 210 THIS AFTERNOON CLEVELAND WEATHER RADAR INDICATED THE THUNDERSTORMS WITH VERY HEAVY RAINS DEVELOPING ALONG A LAKE BREEZE FRONT THAT WAS FROM NORWALK TO AKRON TO NEW CASTLE PENNSYLVANIA. THE OHIO LAKESHORE COUNTIES SOUTHWEST AND SOUTH OF CLEVELAND SHOULD BE ON THE LOOK OUT FOR LOCALLY HEAVY RAINS AS THE THUNDERSTORMS DEVELOP AND MOVE SOUTHEAST AT 10 TO 15 MILES AN HOUR. THOMPSON
Special weather statement, May 13, 2:41 PM EDT, 10 minutes before
OHZ004-PAZ003-132000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 240 PM EDT MON MAY 13 1991 SCATTERED THUNDERSTORMS WERE DEVELOPING OVER NORTHEASTERN OHIO AND WESTERN PENNSYLVANIA THIS AFTERNOON. AT 230 PM WEATHER RADAR SHOWED THUNDERSTORMS SCATTERED ALONG A LINE BETWEEN CANTON-AKRON AND YOUNGSTOWN. THUNDERSTORMS WERE ALSO SCATTERED IN MERCER AND LAWRENCE COUNTIES IN PENNSYLVANIA. SOME OF THESE THUNDERSTORMS WERE PRODUCING HEAVY DOWNPOURS. HAIL IS ALSO POSSIBLE WITH THESE STORMS. PEOPLE IN THE IN THE PATH OF THESE STORMS CAN EXPECT BRIEF PERIODS OF VERY HEAVY RAIN... STRONG GUSTY WINDS AND LIGHTNING. NICK
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 4:24 PM EDT | Flash Flood Warning | CLE | Lawrence | 2 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1991Every flash flood warning in 1991
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.