Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 37, NWS Wilmington, OH

July 22, 1990Van Wert County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jul 22, 1990, 8:41 AM EDT for Van Wert County, Ohio. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Jul 22, 1990, 8:41 AM EDT (12:41 UTC)
Expired: Jul 22, 1990, 11:45 AM EDT
In force: 3 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

County Van Wert 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, 0.7 hours before the alert went out and 111 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 172 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 91 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDAY 221241
FFWDAY
OHC161-221530-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
URBAN AND SMALL STREAM FLOOD WARNING 
NATIONAL WEATHER SERVICE DAYTON OH
841 AM EDT SUN JUL 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL 
STREAM FLOOD WARNING EFFECTIVE UNTIL 1130 AM EDT FOR PEOPLE IN 
THE FOLLOWING COUNTY

   IN THE STATE OF OHIO
      VAN WERT

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 RELATION5 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.

 PADGETT

What 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, 3:20 AM EDT, 5 hours 21 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, 5 hours 20 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, 4:23 AM EDT, 4 hours 18 minutes before

OHZ006-220915

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  COLUMBUS OH
422 AM EDT SUN JUL 22 1990

THE SMALL STREAM AND URBAN FLOOD WARNING FOR MADISON COUNTY EXPIRED AT
400 AM EDT.  A SMALL STREAM AND URBAN FLOOD WARNING CONTINUES IN
EFFECT FOR FRANKLIN COUNTY UNTIL 515 AM EDT.

AT 420 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A SMALL AREA OF
MODERATE TO HEAVY RAIN OVER NORTHEAST FRANKLIN COUNTY.  THIS RAIN AREA
WAS WEAKENING AS IT MOVED EAST NORTHEAST AT 15 MILES AN HOUR.  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, 3:50 AM EDT	Flash Flood Warning	ILN	Mercer	3 hr

Nearby

Flash Flood Warnings in Ohio, 1990 Every 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.