Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 4, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 4, 1990, 9:31 PM EDT for Clinton County, Warren County, Ohio. It was in force for 59 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
- May 4, 1990, 9:31 PM EDT (01:31 UTC)
- Expired
- May 4, 1990, 10:30 PM EDT
- In force
- 59 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Clinton County, OH, Warren 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 9:45 PM EDT | Thunderstorm Wind 0 | Clinton, 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 00:00Z, 1.5 hours before the alert went out and 56 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
- 185 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 756 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 102 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 2.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCVG 050131
SVRCVG
OHC165-027-050230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COVINGTON KY
931 PM EDT FRI MAY 4 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1030 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE SOUTHWEST PART OF OHIO
WARREN...CLINTON
AT 925 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM MOVING
ACROSS WARREN COUNTY AND INTO CLINTON COUNTY.
AT 925 PM EDT...WARREN COUNTY COMMUNICATIONS REPORTED CARS
OVERTURNED IN LEBANON IN WARREN COUNTY.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE FOR
DAMAGING WINDS...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE
SHOULD MOVE TO SHELTER...PREFERABLY INSIDE A STRONG BUILDING. ONCE
INSIDE...STAY AWAY FROM WINDOWS.
GOLDENWhat 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, May 4, 3:41 PM EDT, 5 hours 50 minutes before
OHZ008-KYZ005-INZ013-042040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 340 PM EDT FRI MAY 4 1990 THUNDERSTORMS WITH BRIEF VERY HEAVY DOWNPOURS...GUSTY WINDS...SMALL HAIL AND FREQUENT LIGHTNING CONTINUED ACROSS EXTREME SOUTHEAST INDIANA... NORTHERN KENTUCKY AND SOUTHWEST OHIO THIS AFTERNOON. AN AMATEUR RADIO OBSERVER REPORTED THREE QUARTERS OF AN INCH ( .75 ) OF RAINFALL WITHIN A 20 MINUTE PERIOD IN OXFORD OHIO AT 325 PM EDT. OTHER REPORTS OF VERY HEAVY DOWNPOURS IN THE GREATER CINCINNATI AREA HAVE BEEN RECEIVED AT OUR OFFICE THIS AFTERNOON. SHORTLY AFTER 3 PM EDT BRIEF HEAVY RAIN AND WIND GUST TO 37 MPH OCCURED AT THE GREATER CINCINATI INTERNATIONAL WEATHER SERVICE. PONDING OF WATER IS LIKELY IN POOR DRAINAGE AREAS...SO PLEASE DON'T TRY TO CROSS THESE AREAS. ...REMEMBER...A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF THE GREATER CINCINNATI TRI STATE AREA UNTIL 9 PM EDT...EXCEPT THE PORTION OF THE TORNADO WATCH THAT COVERS SOUTHEAST INDIANA IS IN EFFECT UNTIL 6 PM EDT. SAM
Special weather statement, May 4, 6:45 PM EDT, 2 hours 46 minutes before
OHZ008-KYZ005-INZ013-050040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 646 PM EDT FRI MAY 4 1990 ...TORNADO WATCH FOR SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT... ...TORNADO WATCH FOR SOUTHEAST INDIANA UNTIL 10 PM EDT... AT 635 NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF THUNDERSTORMS IN SOUTHEAST INDIANA FROM 15 MILES NORTH OF MUNCIE SOUTHWEST TO 25 MILES SOUTHWEST OF INDIANAPOLIS. ELSEWHERE...SHOWERS AND THUNDERSTORMS EXTENDED FROM 30 MILES EAST OF CINCINNATI SOUTH TO MANCHESTER KENTUCKY. MOVEMENT OF THE SHOWERS AND THUNDERSTORMS WAS SOUTHEAST AT 35 MILES AN HOUR. PERSONS IN THE TORNADO WATCH AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. KEENEY
Special weather statement, May 4, 7:41 PM EDT, 1 hour 50 minutes before
OHZ005-010-050030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 740 PM EDT FRI MAY 4 1990 THUNDERSTORMS WITH VERY HEAVY RAIN AND POSSIBLY SMALL HAIL WERE MOVING INTO SOUTHWEST DARKE COUNTY OHIO AT 735 PM EDT. NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WITH VERY HEAVY RAIN ALONG AND NEAR THE OHIO-INDIANA STATE LINE BETWEEN RICHMOND AND BROOKVILLE INDIANA. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR AND WILL MOVE ACROSS THE SOUTHERN HALF OF DARKE COUNTY BY 815 PM EDT. PEOPLE IN DARKE COUNTY FROM GREENVILLE SOUTH SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARE TO TAKE QUICK PROTECTIVE ACTION IF SEVERE WEATHER DEVELOPES. OTHER THUNDERSTORMS ARE EXPECTED TO REACH THE PREBLE COUNTY LINE BY 800 PM EDT. . A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FOR DARKE...MIAMI ...CHAMPAIGN...CLARK...PREBLE...MONTGOMERY AND GREENE COUNTIES. LINDSEY
Special weather statement, May 4, 7:44 PM EDT, 1 hour 47 minutes before
OHZ008-KYZ005-INZ013-050140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 745 PM EDT FRI MAY 4 1990 ...TORNADO WATCH FOR SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT... ...TORNADO WATCH FOR SOUTHEAST INDIANA UNTIL 10 PM EDT... AT 730 NATIONAL WEATHER SERVICE RADAR INDICATED AN LINE OF STRONG THUNDERSTORMS IN SOUTHEAST INDIANA FROM 25 MILES EAST OF MUNCIE SOUTHWEST TO 55 MILES WEST OF CINCINNATI. MOVEMENT OF THESE STORMS WAS TO THE SOUTHEAST AT 35 MILES AN HOUR. THESE STORMS ARE CAPABLE OF PRODUCING HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ALSO...FAYETTEVILLE IN BROWN COUNTY HAS REPORTED 2.29 INCHES OF RAIN SINCE 7 AM. FLOODING IS OCCURING ON THE EAST FORK OF THE LITTLE MIAMI. THE CINCINNATI AREA CAN EXPECT A LINE OF THUNDERSTORMS TO MOVE THROUGH THE AREA IN THE NEXT HOUR OR TWO. KEENEY
Special weather statement, May 4, 9:05 PM EDT, 26 minutes before
OHZ006-050200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 904 PM EDT FRI MAY 4 1990 THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING INTO CENTRAL OHIO. AT 900 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM URBANA IN CHAMPAIGN COUNTY EXTENDING SOUTHWEST TO HAMILTON IN BUTLER COUNTY. RADAR SHOWED THE STRONGEST THUNDERSTORM NEAR URBANA. THE THUNDERSTORMS WERE MOVING EAST AT 35 MPH AND WILL MOVE INTO UNION AND MADISON COUNTY DURING THE HOUR. THESE THUNDERSTORMS WILL BE ACCPMPANIED WITH HEAVY DOWNPOURS ...GUSTY WINDS AND POSSIBLE SMALL HAIL. PEOPLE IN UNION AND MADISON COUNTIES SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO TAKE PROTECTIVE ACTION IF SEVERE WEATHER DEVELOPS. WEBER
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 8:18 PM EDT | Severe Thunderstorm Warning | ILN | Butler | 57 min |
| May 4, 8:23 PM EDT | Severe Thunderstorm Warning | ILN | Miami | 27 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.