Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 33, NWS Wilmington, OH

June 22, 1990Hardin County, Logan County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jun 22, 1990, 5:20 PM EDT for Hardin County, Logan County, Ohio. It was in force for 40 min.

The area

The counties it named.

The facts

Issued: Jun 22, 1990, 5:20 PM EDT (21:20 UTC)
Expired: Jun 22, 1990, 6:00 PM EDT
In force: 40 min
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Hardin County, OH, Logan 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, 9.3 hours before the alert went out and 81 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: 8 J/kg
Mixed-layer CIN: -322 J/kg
Mixed-layer LCL: 1723 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 80 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAY 222120
SVRDAY
OHC065-091-222200-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE DAYTON OH
520 PM EDT FRI JUN 22 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 600 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE STATE OF OHIO
      HARDIN...LOGAN

AT 517 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
SEVERE THUNDERSTORM NORTH OF INDIAN LAKE NEAR ROUNDHEAD OHIO.

THE STORM WAS MOVING EAST AT 35 MPH.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALE	RT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

 HARLEYF ISSUER

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Jun 22, 3:58 PM EDT, 1 hour 22 minutes before

OHZ005-010-222100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
355 PM EDT FRI JUN 22 1990

THUNDERSTORMS WITH VERY HEAVY RAIN...STRONG GUSTY WINDS...AND
POSSIBLY SMALL HAIL WERE MOVING INTO WEST CENTRAL OHIO AT 350 PM EDT.

AT 350 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS
OVER EASTERN INDIANA FROM DECATUR TO NEAR MUNCIE. THE STRONGEST
STORM WAS MOVING INTO VAN WERT COUNTY OHIO AT 350 PM.  THE STORMS
WERE MOVING EAST AT 35 MPH.

THE STORM MOVING INTO VAN WERT COUNTY OHIO WILL MOVE ACROSS THE
SOUTHERN PART OF THE COUNTY BETWEEN 400 AND 430 PM EDT. THIS STORM MAY
MAY PRODUCE WIND GUSTS OF 40 TO 50 MPH...AND SMALL HAIL. PEOPLE IN
IN VAN WERT COUNTY SHOULD TAKE COVER IF THREATENING WEATHER APPROACHES.

HARLEY

Special weather statement, Jun 22, 4:39 PM EDT, 41 minutes before

OHZ005-010-222230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
435 PM EDT FRI JUN 22 1990

AT 435 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF
THUNDERSTORMS FROM LIMA OHIO TO COLUMBUS INDIANA.

THE THUNDERSTORMS WILL PRODUCE BRIEF VERY HEAVY RAIN...STRONG
GUSTY WINDS...AND POSSIBLY SMALL HAIL AS THEY MOVE ACROSS WESTERN
OHIO. THE STORMS WERE MOVING EAST AT 35 MPH...AND WILL MOVE ACROSS
HARDIN...AUGLAIZE...SHELBY...DARKE...AND PREBLE COUNTIES OF WESTERN
OHIO BETWEEN 445 AND 530 PM EDT.

THUNDERSTORMS SHOULD MOVE INTO MONTGOMERY COUNTY OHIO...AND THE DAYTON
AREA BETWEEN 530 PM AND 600 PM EDT.

PEOPLE IN WESTERN OHIO SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER
CONDTIONS...AND BE PREPARED TO TAKE SHELTER IF THREATENING WEATHER
APPROACHES.
.
A TORNADO WATCH IS IN EFFECT FOR WESTERN OHIO UNTIL 10 PM EDT.

HARLEY

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 22, 9:18 AM EDT	Severe Thunderstorm Warning	ILN	Highland	57 min
Jun 22, 5:52 PM EDT	Tornado Warning	ILN	Butler, Hamilton	38 min
Jun 22, 6:10 PM EDT	Severe Thunderstorm Warning	ILN	Crawford	60 min
Jun 22, 6:40 PM EDT	Severe Thunderstorm Warning	ILN	Brown, Clermont	50 min
Jun 22, 7:53 PM EDT	Severe Thunderstorm Warning	ILN	Morrow	37 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990 Every severe thunderstorm 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.