Alert archive / Pennsylvania / Flash Flood Warnings in 1992
Flash Flood Warning 30, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 29, 1992, 3:46 PM EDT for Lawrence County, Mercer County, Pennsylvania; Mahoning County, Trumbull County, Ohio. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- Jul 29, 1992, 3:46 PM EDT (19:46 UTC)
- Expired
- Jul 29, 1992, 5:45 PM EDT
- In force
- 119 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Mahoning County, OH, Trumbull County, OH, Lawrence County, PA, Mercer County, PA
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 7.8 hours before the alert went out and 91 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
- 122 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 864 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 104 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 KYNG 291950 FFWYNG OHC029-099-155-PAC073-085-292145- BULLETIN - EBS ACTIVATION REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 346 PM EDT WED JUL 29 1992 THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A FLOOD WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OHIO ...COLUMBIANA COUNTY...MAHONING COUNTY...TRUMBULL COUNTY IN NORTHWEST PENNSYLVANIA ...LAWRENCE COUNTY...MERCER COUNTY AT 340 PM EDT WEATHER RADAR INDICATED A LARGE AREA OF STRONG THUNDERSTORMS WITH VERY HEAVY RAINS MOVING SLOWLY ACROSS SOUTHERN TRUMBULL COUNTY...OHIO. THESE STORMS WERE PRODUCING RAINFALLS IN EXCESS OF ONE INCH PER HOUR IN THIS AREA. THE STORMS WILL MOVE INTO NORTHERN MAHONING COUNTY BY 400 PM. THIS HEAVY...SUSTAINED RAINFALL MAY PRODUCE FLOODING OF ROADWAYS...SMALL STREAMS...AND PONDING OF WATER ON ROADWAYS. 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 SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. NICK
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, Jul 29, 10:00 AM EDT, 5 hours 46 minutes before
PAZ002-291500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 950 AM EDT WED JUL 29 1992 ...STRONG THUNDERSTORMS DEVELOPING OVER CRAWFORD COUNTY IN NORTHWEST PENNSYLVANIA... AT 945 PM EDT RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS EXTENDING FROM JUST NORTH OF LINESVILLE TO THE PYMATUNING RESEVOIR AND WESTWARD TO SOUTHERN ASHTABULA COUNTY OHIO. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 35 MILES AN HOUR. AS THESE STORMS MOVE THROUGH CRAWFORD COUNTY...THEY WILL PRODUCE VERY HEAVY DOWNPOURS...DANGEROUS LIGHTNING...POSSIBLE WIND GUSTS TO 50 MILES AN HOUR AND POSSIBLY SOME SMALL HAIL. IF THREATENING WEATHER APPROACHES YOUR AREA...REMAIN INDOORS AND DO NOT USE ELECTRICAL APPLIANCES WHILE LIGHTNING IS OCCURRING. STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AND POSSIBLE WARNINGS. TJP/FPW/RR
Special weather statement, Jul 29, 2:00 PM EDT, 1 hour 46 minutes before
OHZALL-292100- SPECIAL WEATHER STATEMENT AND AFTERNOON OHIO WEATHER STORY NATIONAL WEATHER SERVICE CLEVELAND OH 200 PM EDT WED JUL 29 1992 WIDELY SCATTERED SHOWERS DEVELOPED OVER NORTHERN OHIO TODAY. A COLD FRONT PUSHED SOUTH TO THE SHORES OF LAKE ERIE DURING THE EARLY AFTERNOON HOURS AND CAUSED A LINE OF WIDELY SCATTERED SHOWERS AND THUNDERSTORMS TO DEVELOP. THE STORMS STRETCHED FROM ASHTABULA TO ERIE COUNTIES AND PRODUCED SOME BRIEF HEAVY RAINS AND WIND GUSTS TO 30 MPH. THE LINE WILL DROP SOUTH THROUGH THE NORTHERN THIRD OF THE STATE BY 5 PM. THESE STORMS MAY ALSO PRODUCE SOME SMALL HAIL. MEANWHILE...CENTRAL AND SOUTHERN OHIO HAD PARTLY TO MOSTLY SUNNY SKIES. SOME SCATTERED SHOWERS AND THUNDERSTORMS MAY DEVELOP OVER THESE AREAS BY LATE AFTERNOON. TEMPERATURES ROSE INTO THE UPPER 70S AND LOWER 80S WHICH WERE ABOUT 5 DEGREES BELOW NORMAL. SKIES WILL BE CLEAR TO PARTLY CLOUDY ACROSS THE NORTH TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS WILL LINGER IN THE CENTRAL AND SOUTH BUT SHOULD DIMINISH AFTER MIDNIGHT. THE MERCURY WILL DROP INTO THE UPPER 50S IN THE NORTHWEST WHILE READINGS HOVER IN THE 60S ELSEWHERE. THE COLD FRONT WILL BECOME STATIONARY ACROSS THE OHIO VALLEY THURSDAY. AREAS OF SHOWERS AND THUNDERSTORMS WILL MOVE ALONG THE FRONT THROUGHOUT THE DAY AND MAY PRODUCE SOME LOCALLY HEAVY RAINS. TEMPERATURES WILL REMAIN ABOUT THE SAME WITH HIGHS RANGING FROM 75 TO 85 DEGREES. THE LATEST WEATHER MAP SHOWED A COLD FRONT ALONG THE SOUTH SHORES OF LAKES ONTARIO AND ERIE CONTINUING WEST TO SOUTHERN IOWA. HIGH PRESSURE WAS OVER MINNESOTA. THE FRONT WILL DROP INTO SOUTHERN OHIO TONIGHT WHERE IT WILL BECOME STATIONARY ON THURSDAY. THE HIGH WILL DRIFT EAST INTO THXE UPPER GREAT LAKES TONIGHT AND INTO NEW ENGLAND THURSDAY. SJN
Special weather statement, Jul 29, 2:34 PM EDT, 1 hour 12 minutes before
OHZ004-291930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 232 PM EDT WED JUL 29 1992 A LINE OF SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER NORTHERN OHIO THIS AFTERNOON. AT 220 PM EDT WEATHER SERVICE RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS FROM JUST SOUTH OF TOLEDO EAST TO MEDINA TO WARREN TO OIL CITY PENNSYLVANIA. ALSO THERE WAS A THUNDERSTORM OVER THE AKRON/CANTON AIRPORT. THE STORMS WERE MOVING SOUTHEAST AT 35 MPH. SOME THUNDERSTORMS WERE PRODUCING WIND GUSTS TO 35 MPH AND VERY HEAVY RAINS. THESE HEAVY RAINS WILL CAUSE PONDING OF WATER IN ROADWAYS AND IN LOW LYING PLACES. AREAS PRONE TO FLOODING DURING EXCESSIVE RAINS WILL FLOOD IF A STORM PASSES. | KINSELLA
Special weather statement, Jul 29, 3:08 PM EDT, 38 minutes before
OHZ004-PAZ003-292030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 308 PM EDT WED JUL 29 1992 TWO LINES OF THUNDERSTORMS WERE MOVING THROUGH THE MAHONING AND SHENANGO VALLEYS. AT 300 PM WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS FROM RUNNING FROM NORTH OF FRANKLIN PENNSYLVANIA...JUST NORTH OF WARREN OHIO...TO AKRON... SOUTH OF CLEVELAND...THEN TOWARD TOLEDO. A SECOND LINE OF THUNDERSTORMS RAN EASTWARD FROM CANTON THROUGH LISBON THROUGH NEW CASTLE PENNSYLVANIA. THIS SECOND LINE OF STORMS PRODUCED MARBLE SIZE HAIL AND WINDS GUSTING TO 40 MPH IN BELIN CENTER IN MAHONING COUNTY. MOVEMENT OF THESE STORMS WAS SOUTHEAST AT 35 MPH. THUNDERSTORMS CAN PRODUCE HEAVY RAIN...FREQUENT LIGHTNING AND HIGH WINDS. IF YOU ARE OUTDOORS BE PREPARED TO TAKE SHELTER. LOCALLY HEAVY RAINS MAY PRODUCE PONDING OF WATER ON THE ROADWAYS. NEVER DRIVE YOUR VEHICLE THOUGH STANDING WATER. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCLA MEDIA FOR UPDATES. SITES
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 5:29 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 61 min |
| Jul 29, 9:26 AM EDT | Severe Thunderstorm Warning | CLE | Ashtabula | 49 min |
| Jul 29, 2:24 PM EDT | Flash Flood Warning | CLE | Lorain | 2 hr |
| Jul 29, 2:49 PM EDT | Flash Flood Warning | CLE | Cuyahoga | 116 min |
| Jul 29, 3:19 PM EDT | Tornado Warning | CLE | Portage | 56 min |
| Jul 29, 3:27 PM EDT | Flash Flood Warning | CLE | Huron | 3 hr |
| Jul 29, 3:46 PM EDT | Flash Flood Warning | CLE | Columbiana | 119 min |
| Jul 29, 3:52 PM EDT | Flash Flood Warning | CLE | Medina | 2 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 1992Flash Flood Warnings in Ohio, 1992Every flash flood warning in 1992
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.