Alert archive / Pennsylvania / Flash Flood Warnings in 1989
Flash Flood Warning 34, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jun 22, 1989, 5:20 PM EDT for Crawford County, Pennsylvania. It was in force for 115 min.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1989, 5:20 PM EDT (21:20 UTC)
- Expired
- Jun 22, 1989, 7:15 PM EDT
- In force
- 115 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Crawford County, PA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.3 hours before the alert went out and 142 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
- 655 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KERI 222120
FFWERI
PAC039-222315-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE ERIE PA
520 PM EDT THU JUN 22 1989
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN
THE FOLLOWING COUNTY
IN THE NORTHWEST PART OF PENNSYLVANIA
CRAWFORD
AT 510 PM EDT RADAR SHOWED VERY HEAVY RAIN PRODUCING THUNDERSTORMS
JUST EAST OF MEADVILLE. OTHER THUNDERSTORMS ARE OCCURRING OVER
THE CAMBRIDGE SPRINGS AREA AND OVER SOUTHEAST CRAWFORD COUNTY.
THESE STORMS ARE MOVING VERY SLOWLY TO THE EAST AND WILL BRING
VERY HEAVY RAIN TO THE SAME AREA OVER A PERIOD OF A FEW HOURS.
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 STRE2AM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE TO HIGHER GROUND.
TJPWhat 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, Jun 22, 1:24 PM EDT, 3 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TOLEDO OH 124 PM EDT THU JUN 22 1989 AN ISOLATED THUNDERSTORM HAD DEVELOPED RAPIDLY OVER FULTON COUNTY BETWEEN WAUSEON AND DELTA THIS AFTERNOON. AT 120 PM EDT... WEATHER SERVICE RADAR INDICATED A VERY HEAVY THUNDERSTORM JUST SOUTH OF DELTA. THE STORM DEVELOPED QUITE RAPIDLY AND IS CAPABLE OF PRODUCING TORRENTIAL RAINS.. SMALL HAIL AND GUSTY WINDS. THE STORM APPEARED TO BE MOVING VERY SLOWLY EAST SOUTHEAST. RESIDENTS IN SOUTHEAST FULTON COUNTY SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK SHELTER IF THREATENING WEATHER APPROACHES. COVERT
Special weather statement, Jun 22, 2:47 PM EDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 237 PM EDT THU JUN 22 1989 ...THUNDERSTORMS WILL BRING HEAVY RAIN TO PARTS OF ERIE AND CRAWFORD COUNTY THIS AFTERNOON... DURING THE PAST FEW HOURS THUNDERSTORMS HAVE BEEN FORMING ALONG THE PENNSYLVANIA LAKESHORE...EXTENDING SOUTH THROUGH WESTERN CRAWFORD COUNTY TO ASHTABULA COUNTY IN NORTHEAST OHIO. THESE STORMS HAVE BEEN PRODUCING HEAVY DOWNPOURS AND FREQUENT LIGHTNING STRIKES TO THE GROUND AS THEY MOVE SLOWLY TO THE NORTHEAST. AS THESE STORMS CONTINUE TO MOVE THROUGH ERIE AND CRAWFORD COUNTY...SOME FLOODING IS LIKELY TO OCCUR OVER ROADS...UNDERPASSES AND POOR DRAINAGE AREAS. DO NOT ATTEMPT TO DRIVE THROUGH ANY ROADS THAT ARE FLOODED AND REMAIN INDOORS WHILE THUNDERSTORMS ARE MOVING THROUGH YOUR AREA. TJP/ERIE
Special weather statement, Jun 22, 3:07 PM EDT, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 308 PM EDT THU JUN 22 1989 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR NORTHWEST THROUGH SOUTHEAST OHIO UNTIL 900 PM EDT. SOME CITIES IN THE WATCH ARE TOLEDO... FINDLAY... COLUMBUS... AKRON... CLEVELAND... AND ZANESVILLE. ALSO... SEVERE THUNDERSTORM WARNINGS ARE IN EFFECT FOR HENRY AND FAIRFIELD COUNTIES UNTIL 315 PM EDT. A URBAN AND SMALL STREAM FLOOD WARNING IS ALSO IN EFFECT FOR HENRY COUNTY UNTIL 445 PM EDT. AT 300 THIS AFTERNOON RADAR SHOWED THUNDERSTORMS BETWEEN TOLEDO AND FINDLAY. OTHER THUNDERSTORMS WERE SOUTH OF COLUMBUS. MOVEMENT OF THE STORMS WAS EAST-SOUTHEAST AT 5 TO 10 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL... STRONG WINDS AND TORRENTIAL RAIN. SINCE THE MOVEMENT IS SO SLOW... RAINFALL OF OVER TWO INCHES IS POSSIBLE WITH SOME OF THE STORMS. FLOODING OF URBAN AREAS AND QUICK RISES IN SMALL STREAMS AND CREEKS ARE POSSIBLE THROUGH TONIGHT WITH THESE THUNDERSTORMS. PEOPLE IN THE WATCH AREA SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE TO SAFETY IF SEVERE WEATHER OR FLOODING THREATENS. ECKERT
Special weather statement, Jun 22, 3:40 PM EDT, 1 hour 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 340 PM EDT THU JUN 22 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST THROUGH SOUTHEAST OHIO UNTIL 900 PM EDT. SOME CITIES IN THE WATCH ARE TOLEDO... FINDLAY... COLUMBUS... AKRON... CLEVELAND... AND ZANESVILLE. ALSO... URBAN AND SMALL STREAM FLOOD WARNINGS ARE IN EFFECT FOR HENRY COUNTY UNTIL 445 PM AND FAIRFIELD COUNTY UNTIL 515 PM. A SPECIAL MARINE WARNING IS IN EFFECT FOR LAKE ERIE FROM CONNEAUT TO RIPLEY UNTIL 530 PM EDT. AT 335 THIS AFTERNOON RADAR SHOWED THUNDERSTORMS FROM FINDLAY TO NEAR FORT WAYNE... INDIANA. ANOTHER BATCH WERE FROM CONNEAUT TO YOUNGSTOWN... THEN ANOTHER AREA WAS FROM COLUMBUS TO PORTSMOUTH. ALL OF THE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL... STRONG WINDS AND TORRENTIAL RAIN. MOVEMENT WAS EAST-SOUTHEAST AT LESS THAN 10 MPH AND THIS WILL CONTRIBUTE TO RAINFALL OF OVER 2 INCHES IN SOME AREAS. FLOODING OF URBAN AREAS AND QUICK RISES IN SMALL STREAMS AND CREEKS ARE POSSIBLE THROUGH TONIGHT WITH THESE THUNDERSTORMS. OHIOANS SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE TO SAFETY IF SEVERE WEATHER OR FLOODING OCCURS. ECKERT
Special weather statement, Jun 22, 4:07 PM EDT, 1 hour 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 408 PM EDT THU JUN 22 1989 SCATTERED HEAVY THUNDERSTORMS WILL POUND THE MAHONING AND SHENANGO VALLEYS LATE THIS AFTERNOON AND EVENING. THUNDERSTORMS WILL POP UP QUICKLY AND PRODUCE VERY HEAVY RAIN... DANGEROUS LIGHTNING AND POSSIBLE GUSTY WINDS AND HAIL. THE STORMS ARE DRIFTING VERY SLOWLY TO THE NORTHEAST. SINCE THE STORMS ARE MOVING SO SLOW... THE HEAVY RAIN MAY LAST LONG ENOUGH TO PRODUCE LOCALIZED STREET FLOODING. IF YOU ENCOUNTER FLOODED STREETS... DRIVE VERY SLOWLY TO MAINTAIN CONTROL OF YOUR VEHICLE. NEVER DRIVE OR WALK THROUGH DEEP WATER. TWO FEET OF WATER IS ENOUGH TO MAKE YOUR CAR FLOAT OR SWEEP YOU OFF YOUR 1FEET. KOSARIK
Special weather statement, Jun 22, 4:48 PM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 448 PM EDT THU JUN 22 1989 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHWEST THROUGH SOUTHEAST OHIO UNTIL 900 PM EDT. URBAN AND SMALL STREAM FLOOD WARNINGS ARE IN EFFECT FOR ASHTABULA COUNTY UNTIL 830 THIS EVENING. THUNDERSTORMS OVER THAT COUNTY DROPPED TWO AND A QUARTER INCHES OF RAIN ON CONNEAUT BETWEEN 3 AND 4 THIS AFTERNOON. AT 440 THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS FROM CONNEAUT TO YOUNGSTOWN TO AKRON. ANOTHER AREA WAS FROM NEAR FINDLAY TO CELINA... THEN ANOTHER AREA WAS ALONG THE OHIO RIVER FROM EAST OF CINCINNATI TO HUNTINGTON... WEST VIRGINIA. ALL OF THE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL... STRONG WINDS AND TORRENTIAL RAIN. MOVEMENT OF THESE THUNDERSTORMS WAS UNDER 10 MPH AND DIRECTION WAS UNDETERMINABLE. RAINFALL NEARING 3 INCHES IS POSSIBLE WITH SOME OF THESE THUNDERSTORMS DUE TO THEIR SLOW SPEED. FLOODIXNG OF URBAN AREAS... ALONG WITH SMALL STREAMS AND CREEKS. OHIOANS SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE TO SAFETY IF SEVERE WEATHER OR FLOODING OCCURS. ECKERT
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 4:29 PM EDT | Flash Flood Warning | CLE | Mercer | 61 min |
| Jun 22, 7:07 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 2 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1989Every flash flood warning in 1989
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.