Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 24, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 11, 1990, 10:50 PM EDT for Clark County, Ohio. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1990, 10:50 PM EDT (02:50 UTC)
- Expired
- Jul 12, 1990, 1:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Clark 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 00:00Z, 2.8 hours before the alert went out and 36 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
- 40 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 732 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 72 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 KDAY 120250
FFWDAY
OHC023-113-135-120545-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE DAYTON OH
1050 PM EDT WED JUL 11 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 145 AM EDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN THE STATE OF OHIO
CLARK...MONTGOMERY...PREBLE
AT 1045 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
SHOWERS AND THUNDERSTORMS FROM SPRINGFIELD IN CLARK COUNTY
TO EATON IN PREBLE COUNTY IN SOUTHWESTERN OHIO.
THESE THUNDERSTORMS WERE PRODUCING VERY HEAVY RAIN WITH REPORTS
RANGING FROM ONE HALF INCH TO OVER ONE INCH ACROSS THE AREA.
THESE STORMS HAVE BEEN MOVING SLOWLY TO THE EAST AT 20 MPH.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 ABANDONRED IMMEDIATELY.
MOVE TO HIGHER GROUND.
SHARTRANWhat 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 11, 5:45 PM EDT, 5 hours 5 minutes before
OHZ008-INZ013-KYZ005-112145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 445 PM EDT WED JUL 11 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 10 PM EDT. AT 430 PM EDT...STRONG THUNDERSTORMS WERE OCCURRING OVER PARTS OF SOUTHWEST OHIO AND NORTHERN AND CENTRAL KENTUCKY. THE STRONG THUNDERSTORMS EXTENDED FROM ABOUT 40 MILES EAST OF LOUISVILLE KENTUCKY...NORTHEAST TO NEAR DAYTON OHIO. A LARGER AREA OF SHOWERS AND THUNDERSTORMS EXTENDED OVER A WIDE AREA FROM ABOUT 60 MILES SOUTH OF LOUISVILLE...NORTHEAST TO NEAR COLUMBUS OHIO. BRIEF HEAVY RAIN...SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING HAVE BEEN REPORTED WITH THESE STORMS. < THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT ABOUT 35 MILES AN HOUR. STAY TUNED TO YOUR LOCAL RADIO STATION FOR FURTHER INFORMATION. GOLDEN
Special weather statement, Jul 11, 5:48 PM EDT, 5 hours 2 minutes before
OHZ008-INZ013-KYZ005-112245- SPECIAL WEATHER STATEMENT...CORRECTED... NATIONAL WEATHER SERVICE CINCINNATI OH 545 PM EDT WED JUL 11 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR EXTREME SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 10 PM EDT. AT 430 PM EDT...STRONG THUNDERSTORMS WERE OCCURRING OVER PARTS OF SOUTHWEST OHIO AND NORTHERN AND CENTRAL KENTUCKY. THE STRONG THUNDERSTORMS EXTENDED FROM ABOUT 40 MILES EAST OF LOUISVILLE KENTUCKY...NORTHEAST TO NEAR DAYTON OHIO. A LARGER AREA OF SHOWERS AND THUNDERSTORMS EXTENDED OVER A WIDE AREA FROM ABOUT 60 MILES SOUTH OF LOUISVILLE...NORTHEAST TO NEAR COLUMBUS OHIO. BRIEF HEAVY RAIN...SMALL HAIL...GUSTY WINDS AND FREQUENT LIGHTNING HAVE BEEN REPORTED WITH THESE STORMS. < THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT ABOUT 35 MILES AN HOUR. STAY TUNED TO YOUR LOCAL RADIO STATION FOR FURTHER INFORMATION. GOLDEN
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 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, 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.