Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 25, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 12, 1990, 12:01 AM EDT for Ashland County, Ohio. It was in force for 119 min.
The area
The counties it named.
The facts
- Issued
- Jul 12, 1990, 12:01 AM EDT (04:01 UTC)
- Expired
- Jul 12, 1990, 2:00 AM EDT
- In force
- 119 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Ashland 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, 4.0 hours before the alert went out and 190 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 583 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 156 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 KCLE 120401
FFWMFD
OHC005-120600-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE MANSFIELD OH
ISSUED BY CLEVELAND OH
1201 AM EDT THU JUL 12 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 200 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN NORTH CENTRAL OHIO
...ASHLAND
AT 1150 PM WEATHER SERVICE RADAR SHOWED AN AREA OF MODERATE TO HEAVY
RAIN OVER NORTHERN ASHLAND COUNTY. THIS RAIN MOVED INTO THE NORTHERN
PORTIONS OF THE COUNTY AFTER 10:30 PM AND HAS CAUSED SOME MINOR STREET
FLOODING. RADAR SHOWED THE BACK EDGE OF THE RAIN OVER THE WESTERN END
OF THE COUNTY. THE AREA WAS MOVING EAST AROUND 20 MPH AND WILL REACH
THE EASTERN COUNTY BORDER AROUND 1 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.
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.The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 10:50 PM EDT | Flash Flood Warning | ILN | Montgomery, Preble | 3 hr |
| Jul 11, 10:50 PM EDT | Flash Flood Warning | ILN | Clark | 3 hr |
| Jul 12, 5:21 AM EDT | Flash Flood Warning | ILN | Ashland | 3 hr |
| Jul 12, 5:30 AM EDT | Flash Flood Warning | ILN | Crawford, Richland | 3 hr |
| Jul 12, 8:30 AM EDT | Flash Flood Warning | ILN | Ashland, Richland | 2 hr |
| Jul 12, 9:10 AM EDT | Flash Flood Warning | ILN | Crawford, Morrow | 3 hr |
| Jul 12, 9:10 AM EDT | Flash Flood Warning | ILN | Knox | 3 hr |
| Jul 12, 10:20 AM EDT | Flash Flood Warning | ILN | Ashland, Crawford, Knox, Morrow, Richland | 5 hr |
| Jul 12, 10:29 AM EDT | Flash Flood Warning | ILN | Greene | 3 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.