Alert archive / Pennsylvania / Flash Flood Warnings in 1989
Flash Flood Warning 36, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jun 22, 1989, 9:05 PM EDT for Elk County, Pennsylvania. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1989, 9:05 PM EDT (01:05 UTC)
- Expired
- Jun 23, 1989, 12:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Elk 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 00:00Z, 1.1 hours before the alert went out and 166 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
- 562 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1327 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- -12 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 KPIT 230105 FFWPIT PAC033-047-065-230400- BULLETIN BROADCAST IMMEDIATELY FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 905 PM EDT THU JUN 22 1989 THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A FLASH FLOOD WARNING UNTIL MIDNIGHT FOR JEFFERSON...ELK AND CLEARFIELD COUNTIES IN NORTHWESTERN PENNSYLVANIA. THUNDERSTORMS MOVING THROUGH THESE COUNTIES WILL HAVE DOWNPOURS HEAVY ENOUGH TO CAUSE FLASH FLOODING ALONG STREAMS AND WHERE DRAINAGE IS POOR. MOST OF THE HEAVY RAIN WILL FALL OVER ELK COUNTY AND OVER THE NORTHERN PARTS OF JEFFERSON AND CLEARFIELD COUNTIES. IF FLOOD WATERS THREATEN...GO TO HIGHER GROUND IMMEDIATELY. DO NOT DRIVE THROUGH FLOOD WATERS TO GET THERE. STRONG WIND GUSTS ANDA AND DANGEROUS LIGHTNING ARE ALSO POSSIBLE WITH THESE STORMS.
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, Jun 22, 3:40 PM EDT, 5 hours 25 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, 4 hours 58 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, 4 hours 17 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
Special weather statement, Jun 22, 6:02 PM EDT, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 601 PM EDT THU JUN 22 1989 THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELED FOR OHIO. AT 555 THIS AFTERNOON WEATHER RADAR SHOWED AREAS OF THUNDERSTORMS IN THE LIMA-CELINA AREAS... ALONG THE OHIO RIVER NEAR WEST UNION... AND FROM AROUND YOUNGSTOWN TO CARROLLTON. AN URBAN AND SMALL STREAM FLOOD WARNING CONTINUES IN EFFECT FOR ASHTABULA COUNTY UNTIL 830 THIS EVENING. THUNDERSTORMS WERE STILL ACROSS THE SOUTHERN PORTION OF THE COUNTY. RAINFALL FROM THIS THUNDERSTORM HAS BEEN OVER 2 INCHES IN THE NORTHEAST AND CENTRAL SECTIONS. MOVEMENT OF ALL THE THUNDERSTORMS WAS UNDER 10 MPH AND THE DIRECTION WAS UNDETERMINABLE. THIS SLOW SPEED WILL CONTRIBUTE TO EXCESSIVE 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. THE THUNDERSTORMS ARE AL/SO CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WINDS. OHIOANS SHOULD CONTINUE TO MONITOR THE WEATHER AND BE PREPARED TO MOVE TO SAFETY IF THREATENING WEATHER APPROACHES OR WATERS START RISING. ECKERT
Special weather statement, Jun 22, 8:07 PM EDT, 58 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 807 PM EDT THU JUN 22 1989 THE HEAVY THUNDERSTORMS IN THE YOUNGSTOWN-WARREN AND SHARON AREAS HAVE ENDED... BUT A FEW THUNDERSTORMS CONTINUED OVER EASTERN COLUMBIANA COUNTY AND ACROSS MOST OF WESTERN PENNSYLVANIA. AT 8 PM NATIONAL WEATHER SERVICE RADAR SHOWED THE HEAVIEST THUNDERSTORMS FROM EAST PALESTINE TO WELLSVILLE IN COLUMBIANA COUNTY. THESE STORMS MAY BRING DANGEROUS LIGHTNING... BRIEF GUSTY WINDS AND SMALL HAIL. HEAVY RAINS COULD CAUSE MORE TEMPORARY STREET FLOODING. OTHER SHOWERS AND THUNDERSTORMS WERE NEAR THE TURNPIKE IN LAWRENCE COUNTY AND NEAR MERCER IN MERCER COUNTY IN WESTERN PENNSYLVANIA. THE SHOWERS AND THUNDERSTORMS SHOULD TAPER OFF AROUND 10 PM. A FLOOD WATCH REMAINS IN EFFECT FOR MERCER AND LAWRENCE COUNTIES UNTIL 10 PM AND A FLOOD WARNING REMAINS IN EFFECT ALONG THE MAHONING RIVER TONIGHT. KOSARIK
Special weather statement, Jun 22, 8:48 PM EDT, 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 835 PM EDT THU JUN 22 1989 AT 840 PM EDT WEATHER RADIO SHOWED A SOLID LINE OF THUNDERSTORMS STRETCHING FROM CATTARAGUS COUNTY IN NEW YORK STATE...TO WESTERN MCKEAN COUNTY... SOUTHEAST WARREN COUNTY AND NORTHERN FOREST COUNTY IN PENNSYLVANIA. THE LINE OF THUNDERSTORMS IS MOVING SLOWLY TO THE EAST. THESE THUNDERSTORMS WILL PRODUCE BRIEF PERIODS OF VERY HEAVY RAIN AND DANGEROUS LIGHTNING. THE THUNDERSTORMS OVER SOUTHEAST WARREN COUNTY ARE ESPECIALLY DANGEROUS SINCE THEY CONTAIN FREQUENT LIGHTNING STRIKES TO THE GROUND. HEAVY RAIN FROM THE THUNDERSTORMS WILL ALSO CAUSE PONDING OF WATER ON ROAD SURFACES AND FLOODING IN POOR DRAINAGE A7REAS. TJP/ERIE
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 10:45 PM EDT | Flash Flood Warning | CLE | McKean | 2 hr |
| Jun 22, 11:23 PM EDT | Flash Flood Warning | CLE | Elk | 5 hr |
| Jun 22, 11:30 PM EDT | Flash Flood Warning | CLE | McKean | 5 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.