Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 74, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Sep 7, 1990, 12:28 AM EDT for Cuyahoga County, Lorain County, Ohio. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Sep 7, 1990, 12:28 AM EDT (04:28 UTC)
- Expired
- Sep 7, 1990, 2:30 AM EDT
- In force
- 2 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Cuyahoga County, OH, Lorain County, OH
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
Detroit, MI (KFNT), launched 00:00Z, 4.5 hours before the alert went out and 187 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
- 629 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1059 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 95 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCLE 070430
FFWCLE
OHC035-093-070630-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
1228 AM EDT FRI SEP 7 1990
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 230 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHEAST OHIO
...CUYAHOGA...LORAIN
AT 1215 AM...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OVER LORAIN AND
CUYAHOGA COUNTIES. STREET FLOODING WAS REPORTED BY A WEATHER SERVICE
SPOTTER IN CUYAHOGA COUNTY AT THE INTERSECTION OF I-77 AND 480. THESE
THUNDERSTORMS WERE PART OF A LARGE AREA OF RAIN AND THUNDERSTORMS THAT
COVERED MUCH OF NORTHEAST OHIO AND LAKE ERIE.
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.
GABRIC
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 8:04 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 56 min |
| Sep 6, 8:17 PM EDT | Severe Thunderstorm Warning | CLE | Columbiana, Mahoning | 58 min |
| Sep 6, 8:40 PM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 65 min |
| Sep 6, 9:18 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 87 min |
| Sep 6, 9:18 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 54 min |
| Sep 6, 9:23 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 67 min |
| Sep 6, 9:59 PM EDT | Severe Thunderstorm Warning | CLE | Columbiana | 61 min |
| Sep 7, 12:09 AM EDT | Flash Flood Warning | CLE | Harrison, Jefferson | 4 hr |
| Sep 7, 12:17 AM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 43 min |
| Sep 7, 12:35 AM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
| Sep 7, 1:11 AM EDT | Flash Flood Warning | CLE | Medina | 2 hr |
| Sep 7, 2:06 AM EDT | Flash Flood Warning | CLE | Jefferson | 3 hr |
| Sep 7, 3:53 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 3 hr |
| Sep 7, 4:26 AM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
| Sep 7, 5:10 AM EDT | Flash Flood Warning | CLE | Jefferson | 7 hr |
| Sep 7, 6:55 AM EDT | Flash Flood Warning | CLE | Cuyahoga | 3 hr |
| Sep 7, 8:22 AM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
Nearby
Flash Flood Warnings in Ohio, 1990Every flash flood warning in 1990
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.