Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 28, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 12, 1990, 8:30 AM EDT for Ashland County, Richland County, Ohio. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 12, 1990, 8:30 AM EDT (12:30 UTC)
- Expired
- Jul 12, 1990, 10:30 AM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Ashland County, OH, Richland 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
Dayton/James M C, OH (KDAY), launched 12:00Z, 0.5 hours before the alert went out and 183 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
- 573 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 151 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 KMFD 121234
FFWMFD
OHC005-139-121430-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE MANSFIELD OH
830 AM EDT THU JUL 12 1990
THE NATIONAL WEATHER SERVICE IN MANSFIELD HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1030 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL OHIO
ASHLAND...RICHLAND
STEADY RAIN...HEAVY AT TIMES CONTINUED OVER THE CENTRAL HIGHLANDS
AT 830 AM EDT. THERE WAS STANDING WATER ON MANY OF THE ROADS THROUGH
RICHLAND AND ASHLAND COUNTIES. THE BLACKFORK CREEK IN NORTHERN
RICHALND COUNTY WAS BANKFULL AND PROBABLY OUT OF ITS BANKS IN SOME
PLACES. THE RAINFALL IS EXPECTED TO CONTINUE THROUGH TODAY SO
CONDITIONS WILL BE MONITORED CLOSELY.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
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.
BANYASWhat 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 12, 2:48 AM EDT, 5 hours 42 minutes before
OHZ008-INZ013-KYZ005-120800- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 248 AM EDT THU JUL 12 1990 AT 230 AM WEATHER SERVICE RADAR SHOWED A LARGE AREA OF RAIN WITH IMBEDDED THUNDERSTORMS OVER CENTRAL AND SOUTHERN INDIANA...AND WESTERN OHIO. THE RAIN AREA EXTENDED FROM COLUMBUS OHIO...SOUTHWEST TO NEAR EVANSVILLE INDIANA. THE HEAVIEST OF THE RAIN WAS FROM RICHMOND INDIANA TO 25 MILES NORTHWEST OF LOUISVILLE KENTUCKY. MOVEMENT OF THE RAIN WAS TO THE EAST AT 25 MILES AN HOUR. THUNDERSTORMS WITH HEAVY DOWNPOURS WILL MOVE INTO THE CINCINNATI TRISTATE AREA BY 4AM AND LAST UNTIL DAYBREAK. HEAVY RAIN IS LIKELY THIS MORNING WITH AMOUNTS OF ONE TO TWO INCHES POSSIBLY LOCALLY. IF YOU ARE OUT DRIVING THIS MORNING AND ENCOUNTER ANY STANDING OR FLOWING WATER ACROSS STREETS OR ROADS...PLEASE AVOID THEM AND MOVE TO HIGHER GROUND. A FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHWESTERN OHIO FOR THE REST OF THIS MORNING. MANUEL
Special weather statement, Jul 12, 4:47 AM EDT, 3 hours 43 minutes before
OHZ008-INZ013-KYZ005-121000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 446 AM EDT THU JUL 12 1990 THUNDERSTORMS WITH HEAVY RAIN AND SMALL HAIL WERE CROSSING THE TRISTATE THIS MORNING. AT 430 AM WEATHER SERVICE RADAR SHOWED A LARGE AREA OF RAIN WITH IMBEDDED THUNDERSTORMS OVER WESTERN OHIO...CENTRAL AND SOUTHERN INDIANA. THE HEAVIEST OF THE RAIN WAS FROM VERSAILLES INDIANA TO CORINTH KENTUCKY OR ABOUT 25 MILES SOUTH AND WEST OF CINCINNATI OHIO. MOVEMENT OF THE RAIN WAS TO THE EAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS WILL PRODUCE HEAVY DOWNPOURS AND POSSILE HAIL AS THEY CROSS THE TRISTATE AREA THIS MORNING. AMOUNTS OF ONE TO TWO INCHES OF RAIN ARE ALSO POSSIBLE. IF YOU ARE OUT DRIVING THIS MORNING AND ENCOUNTER ANY STANDING OR FLOWING WATER ACROSS STREETS OR ROADS...PLEASE AVOID THEM AND MOVE TO HIGHER GROUND. A FLOOD WATCH REMAINS IN EFFECT FOR ALL OF SOUTHWESTERN OHIO FOR T~HE REST OF THIS MORNING. MANUEL
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, 12:01 AM EDT | Flash Flood Warning | ILN | Ashland | 119 min |
| 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, 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.