Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 73, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 20, 1990, 3:40 PM EDT for Darke County, Ohio. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Jul 20, 1990, 3:40 PM EDT (19:40 UTC)
- Expired
- Jul 20, 1990, 4:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Darke 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, 7.7 hours before the alert went out and 44 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
- 847 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDAY 201940
SVRDAY
OHC037-202030-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DAYTON OH
340 PM EDT FRI JUL 20 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE STATE OF OHIO
DARKE
AT 335 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
SEVERE THUNDERSTORM MOVING INTO DARKE COUNTY IN WESTERN OHIO.
THIS STORM HAS PRODUCED MARBLE SIZE HAIL AND WINDS OF 50 MPH NEAR
WINCHESTER INDIANA...WHICH IS JUST WEST OF DARKE COUNTY OHIO.
THE STORM WAS MOVING EAST AT 40 MPH AND SHOULD MOVE INTO THE
GREENVILLE OHIO AREA AROUND 400 PM EDT.
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND NEAR WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS
SHOULD AVOID LOW WATER CROSSINGS.
HARLEYWhat 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 20, 1:40 PM EDT, 2 hours before
OHZ008-INZ013-KYZ005-201845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 140 PM EDT FRI JUL 20 1990 AT 130 PM EDT...STRONG THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING OVER PART OF WESTERN OHIO...WHILE SHOWERS AND THUNDERSTORMS CONTINUED OVER PARTS OF EASTERN INDIANA AND CENTRAL OHIO. THUNDERSTORMS WITH VERY HEAVY RAIN EXTENDED FROM JUST NORTH OF RICHMOND INDIANA...NORTHEAST TO ABOUT 30 MILES WEST OF MANSFIELD OHIO...IN AN AREA ABOUT 30 MILES WIDE. GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING MAY ALSO OCCUR WITH THESE STORMS. THEY WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER A WIDE AREA FROM JUST NORTH OF INDIANAPOLIS...EAST TO ABOUT 30 MILES EAST OF COLUMBUS OHIO. THESE SHOWERS AND THUNDERSTORMS WERE ALSO MOVING EAST AT ABOUT 30 < MILES AN HOUR. GOLDEN
Special weather statement, Jul 20, 2:33 PM EDT, 1 hour 7 minutes before
OHZ008-INZ013-KYZ005-201945- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 232 PM EDT FRI JUL 20 1990 .A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR SOUTHWEST OHIO. AT 128 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING OVER PARTS OF CENTRAL AND SOUTHERN INDIANA AND WESTERN OHIO. THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING JUST NORTH OF INDIANAPOLIS INDIANA. THEY ALSO EXTENDED FROM ABOUT 30 MILES SOUTHWEST OF BLOOMINGTON INDIANA...NORTHEAST TO NEAR MANSFIELD OHIO. AT 217 PM EDT...VERY HEAVY RAIN WAS REPORTED BY THE SHERFIFF OF RIPLEY COUNTY INDIANA. THESE THUNDERSTORMS WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. < IN ADDITION TO VERY HEAVY RAIN...THE THUNDERSTORMS MAY PRODUCE GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING. BE ON THE LOOKOUT FOR THREATENING WEATHER IN YOUR AREA AND LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO STATION FOR POSSIBLE WARNINGS. GOLDYEN
Special weather statement, Jul 20, 2:37 PM EDT, 1 hour 3 minutes before
OHZ008-INZ013-KYZ005-201945- SPECIAL WEATHER STATEMENT...CORRECTION... NATIONAL WEATHER SERVICE CINCINNATI OH 236 PM EDT FRI JUL 20 1990 .A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR SOUTHWEST OHIO. AT 228 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING OVER PARTS OF CENTRAL AND SOUTHERN INDIANA AND WESTERN OHIO. THUNDERSTORMS WITH VERY HEAVY RAIN WERE OCCURRING JUST NORTH OF INDIANAPOLIS INDIANA. THEY ALSO EXTENDED FROM ABOUT 30 MILES SOUTHWEST OF BLOOMINGTON INDIANA...NORTHEAST TO NEAR MANSFIELD OHIO. AT 217 PM EDT...VERY HEAVY RAIN WAS REPORTED BY THE SHERFIFF OF RIPLEY COUNTY INDIANA. THESE THUNDERSTORMS WERE MOVING EAST AT ABOUT 30 MILES AN HOUR. < IN ADDITION TO VERY HEAVY RAIN...THE THUNDERSTORMS MAY PRODUCE GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING. BE ON THE LOOKOUT FOR THREATENING WEATHER IN YOUR AREA AND LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL RADIO STATION FOR POSSIBLE W`ARNINGS. GOLDEN
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 3:54 PM EDT | Severe Thunderstorm Warning | ILN | Preble | 51 min |
| Jul 20, 4:20 PM EDT | Severe Thunderstorm Warning | ILN | Miami, Montgomery | 40 min |
| Jul 20, 4:34 PM EDT | Severe Thunderstorm Warning | ILN | Clark, Greene | 41 min |
| Jul 20, 4:52 PM EDT | Severe Thunderstorm Warning | ILN | Clermont | 68 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; the sounding from the Mesonet's radiosonde archive.