Alert archive / Ohio / Flash Flood Warnings in 1991
Flash Flood Warning 19, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Aug 20, 1991, 4:59 PM EDT for Columbiana County, Ohio. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1991, 4:59 PM EDT (20:59 UTC)
- Expired
- Aug 20, 1991, 6:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Columbiana County, OH
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.0 hours before the alert went out and 70 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
- 291 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 652 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 17 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 202100 FFWYNG OHC029-202200- BULLETIN - EBS ACTIVATION REQUESTED SMALL STREAM FLOOD WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 459 PM EDT TUE AUG 20 1991 THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A SMALL STREAM FLOOD WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHEAST OHIO ... EASTERN COLUMBIANA COUNTY AT 455 PM WEATHER RADAR SHOWED AN STRONG THUNDERSTORM OVER EXTREME EAST COLUMBIANA COUNTY. THIS THUNDERSTORM IS CAUSING VERY HEAVY RAIN. MOVEMENT OF THIS STORM WAS TO THE EAST AT AROUND 5 MPH. 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. oVEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. SITES
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, Aug 20, 12:43 PM EDT, 4 hours 16 minutes before
OHZ004-007-201800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AKRON CANTON OH 1220 PM EDT TUE AUG 20 1991 COLD AIR FUNNELS ARE BEING OBSERVED IN SUMMIT COUNTY EARLY THIS AFTERNOON. THE PUBLIC REPORTED THAT THEY SIGHTED A FUNNEL CLOUD ALOFT NEAR HUDSON AT THE INTERSECTION OF ROUTES 303 AND 91. RADAR INDICATED SCATTERED SHOWERS AND POSSIBLE THUNDERSTORMS IN THAT AREA. GENERALLY... FUNNEL CLOUDS OCCUR IN CONJUCTION WITH WELL DEVELOP AND INTENSE THUNDERSTORMS WHICH HAVE FORMED IN A WARM MOIST AIR MASS. THUNDERSTORMS OF THISVARIETY AND INTENSITY NEARLY ALWAYS FORM ALONG OR AHEAD OF A STRONG COLD FRONT. AN ENTIRELY DIFFERENT CONDITION PREVAILS OVER OHIO TODAY. THERE ARE NO STRONG COLD FRONTS IN THE AREA. THERE IS LITTLE OR NO POTENTIAL FOR INTENSE THUNDERSTORMS AS THE AIR IS RELATIVELY COOL STUDIES OF COLD AIR FUNNEL CLOUDS SHOW THAT THAY RARELY TOUCH GROUND AND RARELY DO ANY DAMAGE. THESE FUNNEL CLOUDS NORMALLY PROTUDE A FEW HUNDRED FEET DOWNWARD FROM THE PARENT CLOUD...ROTATE OR SPIN LIKE A TOP... AND LAST A FEW MINUTES BEFORE DISSIPATING. KINSELLA ...CORRECTION WORDING...
Special weather statement, Aug 20, 1:25 PM EDT, 3 hours 34 minutes before
OHZALL-201830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 125 PM EDT TUE AUG 20 1991 HEAVY RAIN WAS FALLING ON PARTS OF NORTHERN OHIO THIS AFTERNOON. AT 120 THIS AFTERNOON WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS OVER THE EASTERN SUBURBS OF CLEVELAND TO TWINSBURG AND RAVENNA. THESE STROMS DROPPED ONE AND A QUARTER /1.24"/ INCHES OF RAIN IN AN HOUR AT TWINSBURG AND ONE INCH /1.00"/ AT KENT. THESE STORMS WERE DRIFTING SLO NORTH. OTHER THUNDERSTORMS THAT WERE PRODUCING HEAVY RAIN WERE OVER LAKE ERIE NORTH OF VERMILION TO LORAIN AND CLEVELAND. THESE STORMS WERE MOVING SOUTH AND WILL MOVE INTO ERIE... LORAIN AND CUYAHOGA COUNTIES BY TWO O'CLOCK THIS AFTERNOON. VERY HEAVY RAINFALL OF ONE TO TWO INCHES PER HOUR CAN BE EXPECTED AS THESE THUNDERSTORMS MOVE THROUGH NORTHERN OHIO. THIS WILL CAUSE SOME PONDING OF WATER IN UNDERPASSES AND LOW AREAS... BUT DUE TO THE DROUGHT... MUCH OF THE WATER SHOULD GET ABSORBED INTO THE VERY DRY GROUND. REMEMBER... DON'T DRIVE ON ROADS THAT HAVE WATER RUSHING OR FLOWING OVER IT. THE WATER COULD BE DEEPER THAN YOU THINK AND IT ONLY TAKES A COUPLE OF FEET OF WATER TO CARRY AWAY MOST CARS. LISTEN TO NOAA WEA8THER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. ECKERT
Special weather statement, Aug 20, 2:25 PM EDT, 2 hours 34 minutes before
OHZALL-201930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 225 PM EDT TUE AUG 20 1991 HEAVY RAIN WAS FALLING ON PARTS OF NORTHERN OHIO THIS AFTERNOON. AT 225 THIS AFTERNOON WEATHER RADAR SHOWED SHOWERS AND THUNDERSTORMS OVER THE EASTERN SUBURBS OF CLEVELAND TO RAVENNA AND SEBRING. THESE STORMS WERE PRODUCING ONE TO TWO INCHES OF RAIN PER HOUR. A NATIONAL WEATHER SERVICE OBSERVER IN TWINSBURG REPORTED ONE AND EIGHT TENTHS /1.80"/ INCHES OF RAIN WITH THESE THUNDERSTORMS. OTHER THUNDERSTORMS WERE ALONG THE LAKESHORE FROM SANDUSKY TO VERMILION... LORAIN AND CLEVELAND. THESE STORMS WERE MOVING SLOWLY SOUTH AND WILL AFFECT ERIE... LORAIN AND CUYAHOGA COUNTY THROUGH FOUR O'CLOCK THIS AFTERNOON. THIS HEAVY RAIN WILL CAUSE SOME PONDING OF WATER IN UNDERPASSES AND LOW AREAS... BUT DUE TO THE DROUGHT... MUCH OF THE WATER SHOULD GET ABSORBED INTO THE VERY DRY GROUND. REMEMBER... DON'T DRIVE ON ROADS THAT HAVE WATER RUSHING OR FLOWING OVER IT. THE WATER COULD BE DEEPER THAN YOU THINK AND IT ONLY TAKES A COUPLE OF FEET OF WATER TO CARRY AWAY MOST CARS. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. ECKERT
Special weather statement, Aug 20, 3:32 PM EDT, 1 hour 27 minutes before
OHZALL-202035- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 333 PM EDT TUE AUG 20 1991 HEAVY RAIN WAS FALLING ON PARTS OF NORTHERN OHIO THIS AFTERNOON... WHILE FUNNEL CLOUDS WERE BEING REPORTED IN SOUTHWEST OHIO. AT 325 THIS AFTERNOON WEATHER RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS FROM NEAR PORT CLINTON TO LORAIN AND CLEVELAND. IT THEN HEADED SOUTHEAST TO AKRON AND LISBON. THESE AREA OF RAIN HAS BEEN PRODUCING RAINFALL AMOUNTS OF ONE TO TWO INCHES PER HOUR. ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WAS FROM CARROLLTON TO KILLBUCK THEN SOUTHWEST TO NEWARK... CIRCLEVILLE AND INTO THE CINCINNATI AREA. THESE THUNDERSTORMS HAVE BEEN PRODUCING FUNNEL CLOUDS NEAR THE KINGS ISLAND AMUSEMENT PARK AND ONE DID TOUCH DOWN INSIDE THE PART. THE ACTIVITY OVER NORTHERN OHIO WAS MOVING SOUTH... WHILE THE STORMS O SOUTHERN OHIO WERE MOVING TO THE SOUTHEAST. SPEEDS WERE AROUND 15 MPH. THE HEAVY RAIN THAT THESE STORMS ARE PRODUCING WILL CAUSE SOME PONDING OF WATER IN UNDERPASSES AND LOW AREAS... BUT DUE TO THE DROUGHT... MUCOF THE WATER SHOULD BE ABSORBED INTO THE VERY DRY GROUND. REMEMBER... DON'T DRIVE ON ROADS THAT HAVE WATER RUSHING OR FLOWING OVER IT. THE WATER COULD BE DEEPER THAN YOU THINK AND IT ONLY TAKES A COUPLE OF FEET OF WATER TO CARRY AWAY MOST CARS. THE FUNNEL CLOUDS AND TORNADOES THAT ARE DEVELOPING THIS AFTERNOON ARE MUCH WEAKER THAN THE TORNADOES WE NORMALLY HEAR ABOUT DURIpNG THE SPRING MONTHS... BUT IF THEY DO TOUCHDOWN THEY STILL CAN DO DAMAGE. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. ECKERT
Special weather statement, Aug 20, 3:37 PM EDT, 1 hour 22 minutes before
OHZALL-202035- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE CLEVELAND OH 336 PM EDT TUE AUG 20 1991 HEAVY RAIN WAS FALLING ON PARTS OF NORTHERN OHIO THIS AFTERNOON... WHILE FUNNEL CLOUDS WERE BEING REPORTED IN SOUTHWEST OHIO. AT 325 THIS AFTERNOON WEATHER RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS FROM NEAR PORT CLINTON TO LORAIN AND CLEVELAND. IT THEN HEADED SOUTHEAST TO AKRON AND LISBON. THESE AREA OF RAIN HAS BEEN PRODUCING RAINFALL AMOUNTS OF ONE TO TWO INCHES PER HOUR. ANOTHER AREA OF SHOWERS AND THUNDERSTORMS WAS FROM CARROLLTON TO KILLBUCK THEN SOUTHWEST TO NEWARK... CIRCLEVILLE AND INTO THE CINCINNATI AREA. THESE THUNDERSTORMS HAVE BEEN PRODUCING FUNNEL CLOUDS NEAR THE KINGS ISLAND AMUSEMENT PARK AND ONE DID TOUCH DOWN INSIDE THE PARK. THE ACTIVITY OVER NORTHERN OHIO WAS MOVING SOUTH... WHILE THE STORMS OVER SOUTHERN OHIO WERE MOVING TO THE SOUTHEAST. SPEEDS WERE AROUND 15 MPH. THE HEAVY RAIN THAT THESE STORMS ARE PRODUCING WILL CAUSE SOME PONDING OF WATER IN UNDERPASSES AND LOW AREAS... BUT DUE TO THE DROUGHT... MUCH OF THE WATER SHOULD BE ABSORBED INTO THE VERY DRY GROUND. REMEMBER... DON'T DRIVE ON ROADS THAT HAVE WATER RUSHING OR FLOWING OVER IT. THE WATER COULD BE DEEPER THAN YOU THINK AND IT ONLY TAKES A COUPLE OF FEET OF WATER TO CARRY AWAY MOST CARS. THE FUNNEL CLOUDS AND TORNADOES THAT ARE DEVELOPING THIS AFTERNOON ARE MUCH WEAKER THAN THE TORNADOES WE NORMALL_Y HEAR ABOUT DURING THE SPRING MONTHS... BUT IF THEY DO TOUCHDOWN THEY STILL CAN DO DAMAGE. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. ECKERT CORRECTED TYPOS
Special weather statement, Aug 20, 4:25 PM EDT, 34 minutes before
OHZALL-202130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 425 PM EDT TUE AUG 20 1991 THUNDERSTORMS WITH HEAVY RAIN WERE MOVING ACROSS NORTHERN OHIO... WHILE FUNNEL CLOUDS HAVE BEEN SIGHTED IN SOUTHWEST OHIO. AT 420 THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS FROM BELLEVUE TO VERMILION... LORAIN AND CLEVELAND. OTHER THUNDERSTORMS WERE FROM LISBON TO STEUBENVILLE... AND FROM DOVER TO ZANESVILLE AND CHILLICOTHE. THESE THUNDERSTORMS WERE PRODUCING TORRENTIAL RAINFALL OF ONE TO TWO INCHES PER HOUR... WHICH IS CAUSING SOME PONDING OF WATER IN LOW AREAS LIKE UNDERPASSES. REMEMBER IT ONLY TAKES A COUPLE OF FEET OF WATER TO CARRY AWAY MOST CARS. ALSO... THE THUNDERTORMS IN SOUTHERN OHIO HAVE BEEN PRODUCING SOME FUNNELS CLOUDS. ONE OF THESE FUNNEL CLOUDS TOUCHED DOWN AT THE KINGS ISLAND AMUSEMENT PARK CAUSING SOME DAMAGE. THESE FUNNEL CLOUDS AND TORNADOES ARE MUCH WEAKER THAN THE TORNADOES THAT CAN OCCUR DURING VERY WARM DAYS IN THE SPRING... BUT THEY CAN STILL CAUSE DAMAGE. LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. ECKERT
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 8:14 PM EDT | Tornado Warning | CLE | Stark | 31 min |
| Aug 19, 11:32 PM EDT | Flash Flood Warning | CLE | Ottawa | 118 min |
| Aug 20, 1:36 AM EDT | Flash Flood Warning | CLE | Ottawa | 4 hr |
| Aug 20, 5:44 AM EDT | Flash Flood Warning | CLE | Ottawa | 6 hr |
Nearby
Flash Flood Warnings in Ohio, 1991Every flash flood warning in 1991
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.