Alert archive / Pennsylvania / Flash Flood Warnings in 1989
Flash Flood Warning 38, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jun 22, 1989, 11:23 PM EDT for Elk County, Pennsylvania. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Jun 22, 1989, 11:23 PM EDT (03:23 UTC)
- Expired
- Jun 23, 1989, 4:00 AM EDT
- In force
- 5 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, 3.4 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 230323 FFWPIT PAC021-047-051-065-111-230800- BULLETIN - IMMEDIATE BROADCAST REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PITTSBURGH PA 1123 PM EDT THU JUN 22 1989 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 400 AM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF WESTERN PENNSYLVANIA...CAMBRIA...ELK...FAYETTE...JEFFERSON AND SOMERSET AT 1110 PM ONE AND A HALF INCHES OF RAIN WAS REPORTED AT WINDBER IN SOMERSET COUNTY...JUST SOUTHEAST OF JOHNSTOWN PA. THIS IS HEAVY RAIN FROM THE THUNDERSTORM OVER BLAIR AND BEDFORD COUNTIES. FLOODING SHOULD BEGIN SOON IN CAMBRIA AND SOMERSET COUNTIES. HEAVY THUNDERSTORMS IN FAYETTE...JEFFERSON...AND ELK COUNTIES COULD CAUSE FLOODING WITHIN THE NEXT FEW HOURS. A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR IN PROGRESS. IF YOU GET ANY INDICATION THAT FLOOD WATERS ARE APPROACHING..MOVE TO HIGHER GROUND IMMEDIATELY. DO NOT DRIVE THROUGH FLOODED AREAS.
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, 6:02 PM EDT, 5 hours 21 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, 3 hours 16 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, 2 hours 35 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
Special weather statement, Jun 22, 9:42 PM EDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 931 PM EDT THU JUN 22 1989 ...THUNDERSTORMS OVER WESTERN MCKEAN COUNTY PRODUCING DANGEROUS LIGHTNING... AT 930 PM EDT WEATHER RADAR SHOWED A SOLID LINE OF THUNDERSTORMS STRETCHING FROM CATTARAUGUS COUNTY IN NEW YORK STATE TO WESTERN MCKEAN COUNTY...SOUTHEAST WARREN COUNTY AND NORTHEAST FOREST COUNTY OF PENNSYLVANIA. THE LINE OF THUNDER-STORMS IS MOVING SLOWLY TO THE EAST. SKYWARN OBSERVERS IN MCKEAN COUNTY REPORTED FREQUENT LIGHTNING STRIKES TO THE GROUND AS THE STORMS APPROACHED KANE IN SOUTHERN MCKEAN COUNTY. HEAVY DOWNPOURS AND GUSTY WINDS ARE ALSO POSSIBLE AS THESE STORMS CONTINUE TO MOVE THROUGH MCKEAN COUNTY. STAY IN YOfUR HOMES AS THESE STORMS MOVE INTO YOUR AREA. STAY AWAY FROM WINDOWS AND DO NOT USE ELECTRICAL APPLIANCES WHILE LIGHTING IS OCCURRING. TJP/ERIE
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 9:05 PM EDT | Flash Flood Warning | CLE | Elk | 3 hr |
| Jun 22, 10:45 PM EDT | Flash Flood Warning | CLE | McKean | 2 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.