Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 77, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Sep 7, 1990, 2:06 AM EDT for Jefferson County, Ohio. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Sep 7, 1990, 2:06 AM EDT (06:06 UTC)
- Expired
- Sep 7, 1990, 5:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Jefferson 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
Pittsburgh, PA (KPIT), launched 00:00Z, 6.1 hours before the alert went out and 56 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
- 62 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1475 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCAK 070607
FFWCAK
OHC081-070915-
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AKRON OH
206 AM EDT FRI SEP 7 1990
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 515 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL OHIO
...JEFFERSON
THE JEFFERSON COUNTY SHERIFF REPORTED ROADS AND BASEMENTS FLOODED
THROUGHOUT THE COUNTY AT 200 AM EDT. ABOUT 30 RESIDENTS WERE BEING
EVACUATED IN STEUBENVILLE DUE TO FLOODING PROBLEMS.
AT 200 AM AKRON CANTON WEATHER RADAR INDICATED AN AREA OF
THUNDERSTORMS FROM THE AKRON CANTON AREA SOUTHEAST TO STEUBENVILLE.
THESE THUNDERSTORMS WERE PRODUCING HEAVY RAINS AS THEY MOVED SOUTHEAST
AT 30 MPH. THESE STORMS WILL CONTINUE MOVING INTO JEFFERSON COUNTY
THROUGH AT LEAST 330 AM.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY. MOVE UP TO ESCAPE FLOOD WATERS. DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
THOMPSONThe 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, 12:28 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 2 hr |
| 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, 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.