Alert archive / Pennsylvania / Flash Flood Warnings in 1989
Flash Flood Warning 32, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jun 22, 1989, 4:29 PM EDT for Mercer County, Pennsylvania. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1989, 4:29 PM EDT (20:29 UTC)
- Expired
- Jun 22, 1989, 5:30 PM EDT
- In force
- 61 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Mercer 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, 8.5 hours before the alert went out and 100 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 KYNG 222030
FFWYNG
PAC085-222130-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
429 PM EDT THU JUN 22 1989
THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 530 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTHWEST PENNSYLVANIA
...MERCER
HEAVY RAINS HAVE PERSISTED AROUND SHARON PENNSYLVANIA SINCE 3 PM AND
MAY CONTINUE TILL 530 PM. MOTORISTS SHOULD AVOID THE SHARON AREA. MOST
LOW LYING ROADS ARE COVERED WITH WATER.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SA?FELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY. MOVE TO HIGHER GROUND.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, 12:49 PM EDT, 3 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 1230 PM EDT THU JUN 22 1989 ...THUNDERSTORMS MOVING ACROSS NORTHWEST PENNSYLVANIA... AT 1230 PM RADAR INDICATES SCATTERED THUNDERSTORMS WITH HEAVY RAIN EXTENDING FROM CENTRAL LAKE ERIE...NORTHEAST OF PRESQUE ISLE BAY... SOUTHWESTWARD INTO ERIE AND CRAWFORD COUNTIES IN NORTHWEST PENNSYLVANIA AND ON INTO NORTHEAST OHIO. THE STRONGEST THUNDERSTORMS WHERE LOCATED OVER THE LAKE...NORTH OF ERIE...AND IN THE SOUTHWEST CORNER OF CRAWFORD COUNTY. MOVMENT WAS TOWARDS THE NORTHEAST AT 10 MILES AN HOUR. THESE THUNDERSTORMS WILL CONTAIN HEAVY DOWNPOURS WHICH WILL CAUSE FLOODING OF ROADWAYS AND LOW LYING AREAS...A QUARTER OF AN INCH OF RAIN FELL AT THE AIRPORT DURING THE PAST HOUR. DANGEROUS LIGHTNING...SMALL HAIL AND STRONG GUSTY WINDS MAY ALSO OCCUR. SMALL BOATERS ON LAKE ERIE AND PRESUQE ISLE BAY SHOULD SEEK SAFE HARBOR IF THREATENING WEATHER APPROACHES. PARRISH
Special weather statement, Jun 22, 1:24 PM EDT, 3 hours 5 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, 1 hour 42 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, 1 hour 22 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, 49 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, 22 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
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 5:20 PM EDT | Flash Flood Warning | CLE | Crawford | 115 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.