Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 36, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 22, 1990, 3:50 AM EDT for Mercer County, Ohio. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 22, 1990, 3:50 AM EDT (07:50 UTC)
- Expired
- Jul 22, 1990, 6:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Mercer 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, 7.8 hours before the alert went out and 80 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
- 870 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 9 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 220750
FFWDAY
OHC003-011-107-161-221045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE DAYTON OH
350 AM EDT SUN JUL 22 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 645 AM EDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN THE STATE OF OHIO
ALLEN...AUGLAIZE...MERCER...VAN WERT
AT 345 AM EDT NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF
SHOWERS AND THUNDERSTORMS TRAINING ACROSS SOUTHERN VAN WERT...
NORTHERN MERCER...NORTHWEST AUGLAIZE AND WESTERN ALLEN COUNTIES
OF CENTRAL OHIO. THIS AREA WAS THE LEADING EDGE OF HEAVIER
SHOWERS THAT WILL MOVE EAST ACROSS THE SAME AREAS.
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 ABANDONED IMMEDIATELY.
MOVE TO HIGHER GROUND.
A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT. IT IS IMPORTANT TO
KNOW WHERE YOU ARE IN RELATION TO STREAMS...RIVERS...OR CREEKS THAT
CAN BECOME DEADLY WHEN SWOLLEN BY HEAVY RAINS. CAMPERS SHOULD AVOID
CAMPING ALONG STREAMS OR CREEKS WHEN HEAVY RAIN THREATENS.
TORRENCEWhat 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 22, 2:14 AM EDT, 1 hour 36 minutes before
OHZ005-010-220730- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 213 AM EDT SYUN JUL 22 1990 PONDING AND STANDING WATER CLOSED SOME ROADS IN NORTHEAST LOGAN AND EXTREME SOUTHEASTERN HARDIN COUNTIES AT 210 AM. THE SHERIFF DEPARTMENT OF LOGAN COUNTY REPORTED SOME ROADS CLOSED NORTHEAST OF RUSHSYLVANIA DUE TO STANDING AND PONDING OF WATER. THESE CLOSING EXTENDED INTO SOUTHEASTERN HARDIN COUNTY. RADAR SHOWED SHOWERS OVER EASTERN HARDIN AND NORTHEAST LOGAN COUNTIES. THESE SHOWERS WERE MOVING SLOWLY EAST AT 5 TO 10 MPH...AND SHOULD MOVE OUT OF BOTH COUNTIES BETWEEN 230 AND 300 AM EDT. WITH THE GROUND ALREADY SATURATED...DRAINAGE MAY BE SLOW. MOTORIST ARE URGED TO USE CAUTIONN WHILE TRAVELING ACROSS THESE AREAS...AND ARE REMINDED NOT DRIVE INTO STANDING OR PONDING WATER. TORRENCE
Special weather statement, Jul 22, 3:20 AM EDT, 30 minutes before
OHZ006-220820 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 319 AM EDT SUN JUL 22 1990 A SMALL STREAM AND URBAN FLOOD WARNING IS IN EFFECT FOR MADISON COUNTY UNTIL 400 AM EDT. A SMALL STREAM AND URBAN FLOOD WARNING IS IN EFFECT FOR FRANKLIN COUNTY UNTIL 515 AM EDT. AT 310 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SMALL AREA OF VERY HEAVY RAIN OVER NORTHERN FRANKLIN COUNTY. THIS RAIN AREA WAS MOVING SLOWLY EAST NORTHEAST AT 15 MILES AN HOUR. LOCAL POLICE DEPARTMENTS REPORTED MANY ROADS FLOODED OR CLOSED DUE TO HIGH WATER IN THE DUBLIN...HILLIARD...AND WORTHINGTON AREAS. 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 ABANDONED IMMEDIATELY. GROH
Special weather statement, Jul 22, 3:21 AM EDT, 29 minutes before
OHZ006-220820 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 319 AM EDT SUN JUL 22 1990 A SMALL STREAM AND URBAN FLOOD WARNING IS IN EFFECT FOR MADISON COUNTY UNTIL 400 AM EDT. A SMALL STREAM AND URBAN FLOOD WARNING IS IN EFFECT FOR FRANKLIN COUNTY UNTIL 515 AM EDT. AT 310 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SMALL AREA OF VERY HEAVY RAIN OVER NORTHERN FRANKLIN COUNTY. THIS RAIN AREA WAS MOVING SLOWLY EAST NORTHEAST AT 15 MILES AN HOUR. LOCAL POLICE DEPARTMENTS REPORTED MANY ROADS FLOODED OR CLOSED DUE TO HIGH WATER IN THE DUBLIN...HILLIARD...AND WORTHINGTON AREAS. 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 ABANDONED IMMEDIATELY. GROH
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 10:43 PM EDT | Flash Flood Warning | ILN | Auglaize, Mercer | 3 hr |
| Jul 22, 1:46 AM EDT | Flash Flood Warning | ILN | Auglaize, Mercer | 119 min |
| Jul 22, 3:50 AM EDT | Flash Flood Warning | ILN | Allen, Auglaize, Van Wert | 3 hr |
| Jul 22, 8:41 AM EDT | Flash Flood Warning | ILN | Van Wert | 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.