Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 63, NWS Wilmington, OH

July 9, 1990Preble County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 9, 1990, 6:24 PM EDT for Preble County, Ohio. It was in force for 66 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jul 9, 1990, 6:24 PM EDT (22:24 UTC)
Expired
Jul 9, 1990, 7:30 PM EDT
In force
66 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Preble County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jul 9, 6:55 PM EDTThunderstorm Wind 0Preble, OH

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 10.4 hours before the alert went out and 42 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-pSkew-T log-p diagram, Dayton/James M C, OH at 12:00Z on 1990-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1078 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 12:00Z on 1990-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1078 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAY 092224
SVRDAY
OHC135-092330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE DAYTON OH
624 PM EDT MON JUL 9 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 730 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE STATE OF OHIO
      PREBLE

AT 622 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A POSSIBLE
SEVERE THUNDERSTORM DEVELOPING IN WESTERN PREBLE COUNTY OHIO.
THE THUNDERSTORM WAS MOVING EAST AT 30 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOMwE OR BUSINESS.  HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

 LINDSEY

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, Jul 9, 2:10 PM EDT, 4 hours 14 minutes before
OHZ006-007-009-011-091900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE  COLUMBUS OH
210 PM EDT MON JUL 9 1990

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL OHIO
UNTIL 9 PM EDT.

AT 205 PM NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS
EXTENDING FROM 40 MILES NORTH OF WHEELING WEST VIRGINIA SOUTHWEST TO
30 MILES NORTHEAST OF DAYTON. THESE THUNDERSTORMS WERE MOVING SOUTHEAST
AT 30 MPH AND WILL REACH THE COLUMBUS AREA BY 300 PM.

THE THUNDERSTORMS WERE PRODUCING HEAVY RAIN AND STRONG GUSTY WINDS.

PEOPLE ACROSS CENTRAL OHIO SHOULD KEEP ABREAST OF THE LATEST WEATHER
CONDITIONS BY LISTENING TO NOAA WEATHER RADIO... OR YOUR LOCAL RADIO
OR TV STATIONS FOR STATEMENTS AND WARNINGS.

SMITH
Special weather statement, Jul 9, 3:17 PM EDT, 3 hours 7 minutes before
OHZ005-010-092015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
317 PM EDT MON JUL 9 1990

THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND SMALL HAIL WERE
ACROSS DARKE...MIAMI...AND CHAMPAIGN COUNTIES IN WESTERN OHIO AT 315
PM EDT.

NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS ACROSS
WESTERN OHIO BETWEEN GREENVILLE IN DARKE COUNTY AND COLUMBUS.  THE
LINE OF THUNDERSTORMS WAS DRIFTING SOUTH AT AROUND 15 MPH.

PEOPLE IN PREBLE...MONTGOMERY...CLARK...AND GREENE COUNTIES IN WESTERN
OHIO CAN EXPECT THESE THUNDERSTORMS TO SPREAD INTO THEIR COUNTIES
BETWEEN 320 AND 400 PM EDT.

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EDT FOR ALL OF
THE MIAMI )VALLEY AND WEST CENTRAL OHIO COUNTIES.
<
LINDSEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 12:35 PM EDTSevere Thunderstorm WarningILNRichland55 min
Jul 9, 12:50 PM EDTSevere Thunderstorm WarningILNAshland40 min
Jul 9, 1:19 PM EDTSevere Thunderstorm WarningILNMercer56 min
Jul 9, 1:53 PM EDTSevere Thunderstorm WarningILNAuglaize67 min
Jul 9, 2:13 PM EDTSevere Thunderstorm WarningILNDarke, Shelby62 min
Jul 9, 3:46 PM EDTSevere Thunderstorm WarningILNGreene, Montgomery59 min
Jul 9, 4:43 PM EDTSevere Thunderstorm WarningILNGreene32 min
Jul 9, 4:49 PM EDTSevere Thunderstorm WarningILNClinton, Warren56 min
Jul 9, 5:44 PM EDTSevere Thunderstorm WarningILNGreene61 min
Jul 9, 5:45 PM EDTSevere Thunderstorm WarningILNCrawford, Richland60 min
Jul 9, 5:54 PM EDTSevere Thunderstorm WarningILNMontgomery66 min
Jul 9, 6:07 PM EDTSevere Thunderstorm WarningILNClark68 min
Jul 9, 6:14 PM EDTFlash Flood WarningILNClark, Greene2 hr
Jul 9, 6:56 PM EDTSevere Thunderstorm WarningILNMontgomery34 min
Jul 9, 7:24 PM EDTSevere Thunderstorm WarningILNWarren66 min
Jul 9, 7:25 PM EDTSevere Thunderstorm WarningILNGreene35 min
Jul 9, 7:35 PM EDTSevere Thunderstorm WarningILNClinton55 min
Jul 9, 7:35 PM EDTTornado WarningILNKnox60 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.