Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 82, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Aug 20, 1990, 4:39 PM EDT for Darke County, Ohio. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1990, 4:39 PM EDT (20:39 UTC)
- Expired
- Aug 20, 1990, 5:45 PM EDT
- In force
- 66 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, 8.7 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
- 238 J/kg
- Mixed-layer CIN
- -146 J/kg
- Mixed-layer LCL
- 672 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 88 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 202039
SVRDAY
OHC037-202145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DAYTON OH
439 PM EDT MON AUG 20 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE STATE OF OHIO
DARKE
AT 435 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A POSSIBLE
SEVERE THUNDERSTORM DEVELOPING IN WESTERN DARKE COUNTY OHIO.
THE THUNDERSTORM WAS MOVING EAST AT 30 MPH AND WILL MOVE ACROSS
THE CITY OF GREENVILLE BY 5 PM EDT.
IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
IF THREATENING WEATHER APPROACHES... YOU SHOULD GO TO A SAFE PLACE
IMMEDIATELY AND ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY
YOUR SEVEREq WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE
OFFICE.
LINDSEYWhat 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, Aug 20, 4:31 PM EDT, 8 minutes before
OHZ005-010-202130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 430 PM EDT MON AUG 20 1990 THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLY SMALL HAIL WERE APPROACHING THE WESTERN BORDERS OF DARKE AND PREBLE COUNTIES IN WESTERN OHIO AT 425 PM. NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS APPROACHING THE OHIO-INDIANA STATE LINE FROM JUST NORTH OF RICHMOND TO ABOUT 30 MILES NORTHWEST OF CINCINNATI. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR AND WILL BEGIN TO SPREAD INTO DARKE AND PREBLE COUNTIES BY 5 PM. PEOPLE IN DARKE AND PREBLE COUNTIES CAN EXPECT THUNDERSTORMS WITH HEAVY DOWNPOURS AND GUSTY WINDS BETWEEN 430 AMD 530 PM. LI`NDSEY
Special weather statement, Aug 20, 4:34 PM EDT, 5 minutes before
OHZ005-010-202130- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE DAYTON OH 433 PM EDT MON AUG 20 1990 THUNDERSTORMS WITH VERY HEAVY RAIN...GUSTY WINDS AND POSSIBLY SMALL HAIL WERE APPROACHING THE WESTERN BORDERS OF DARKE AND PREBLE COUNTIES IN WESTERN OHIO AT 425 PM. NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS APPROACHING THE OHIO-INDIANA STATE LINE FROM JUST NORTH OF RICHMOND TO ABOUT 30 MILES NORTHWEST OF CINCINNATI. THE THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR AND WILL BEGIN TO SPREAD INTO DARKE AND PREBLE COUNTIES BY 430 PM. PEOPLE IN DARKE AND PREBLE COUNTIES CAN EXPECT THUNDERSTORMS WITH HEAVY DOWNPOURS AND GUSTY WINDS BETWEEN 430j AMD 530 PM. LINDSEY $$ CORRECTED FOR TIME IN SECOND PARAGRAPH
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.