Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 40, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jun 30, 1990, 5:35 PM EDT for Warren County, Ohio. It was in force for 40 min. 3 reports 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
- Jun 30, 1990, 5:35 PM EDT (21:35 UTC)
- Expired
- Jun 30, 1990, 6:15 PM EDT
- In force
- 40 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County 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 |
|---|---|---|---|
| Jun 30, 5:45 PM EDT | Hail 0.75 | Warren, OH | |
| Jun 30, 6:05 PM EDT | Hail 4 | Warren, OH | |
| Jun 30, 6:05 PM EDT | Thunderstorm Wind 0 | Warren, 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, 9.6 hours before the alert went out and 53 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
- 1097 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 1020 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 30, 2:53 PM EDT, 2 hours 42 minutes before
INZ013-KYZ005-301930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 253 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST INDIANA AND BOONE...CARROL...GALLATIN AND OWEN COUNTIES OF NORTHERN KENTUCKY UNTIL 9 O'CLOCK EDT TONIGHT... CINCINNATI WEATHER SERVICE RADAR INDICATED AN AREA OF POSSIBLE SEVERE THUNDERSTORMS OVER WEST INDIANA AT 233 PM THIS EVENING. THIS AREA EXTENDED FROM LAFAYETTE SOUTH TO EVANSVILLE. MOVEMENT WAS SOUTHEAST AROUND 40 MILES AN HOUR. THESE STORMS PRODUCED DAMAGING WINDS AS THEY MOVED ACROSS WESTERN INDIANA AND SOUTHEAST ILLINOIS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST DEVELOPMENT ON THESE STORM!S AS CONDITIONS WARRANT. MEDLIN
Special weather statement, Jun 30, 3:47 PM EDT, 1 hour 48 minutes before
INZ013-KYZ005-OHZ008-302045 SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 349 PM EDT SAT JUN 30 1990 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF SOUTHEAST INDIANA AND BOONE...CARROL...GALLATIN AND OWEN COUNTIES OF NORTHERN KENTUCKY UNTIL 9 O'CLOCK EDT TONIGHT... CINCINNATI WEATHER SERVICE RADAR INDICATED AN AREA OF POSSIBLE SEVERE THUNDERSTORMS OVER EXTREME SOUTHEAST INDIANA ALONG THE OHIO RIVER AT 330. THESE STORMS WERE LOCATED IN SOUTHERN JEFFERSON AND WESTERN TRIMBLE COUNTIES. MOVEMENT OF THESE STORMS WAS TO THE SOUTHEAST AT 40 MPH. OTHER THUNDERSTORMS WERE DEVELOPING OVER WESTERN INDIANA AND NORTH CENTRAL KENTUCKY. THESE THUNDERS[TORMS WERE ALSO MOVING 40 MPH. STAY TUNED TO YOUR LOCAL TV OR RADIO STATIONS OR TO NOAA WEATHER RADIO FOR FURTHER UPDATES OR POSSIBLE WARNINGS. KEENEY
Special weather statement, Jun 30, 4:50 PM EDT, 45 minutes before
INZ013-KYZ005-OHZ008-301045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 450 PM EDT SAT JUN 30 1990 THUNDERSTORMS WITH HEAVY RAIN CONTINUE OVER SOUTHEAST INDIANA. THE STORMS WERE INDICATED BY THE RADAR AT 440 PM FROM RUSHVILLE INDIANA ..TO BROOKVILLE INDIANA TO THE NORTHERN PART OF DEARBORN COUNTY IN SOUTHEAST INDIANA. THE STORMS WERE MOVING TO THE EAST 30 MILES AN HOUR. THE STORMS WILL PRODUCE HEAVY RAIN AND WILL MOVE INTO THE SOUTHWEST OHIO COUNTIES OF BUTLER AND HAMILTON BETWEEN 5 AND 6 PM. END JR
Special weather statement, Jun 30, 5:31 PM EDT, 4 minutes before
INZ013-KYZ005-OHZ008-302245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 533 PM EDT SAT JUN 30 1990 THUNDERSTORMS WITH VERY HEAVY RAIN WERE MOVING THROUGH BUTLER AND HAMILTON COUNTIES OF SOUTHWEST OHIO THIS EVENING AT 520. THESE THUNDERSTORMS ARE CAPIBLE OF PRODUCING BRIEF HEAVY RAIN AND POSSIBLE SMALL HAIL AS THEY PASS TO THE EAST. REPORTS OF PEA SIZE HAIL HAVE BEEN RECEIVED FROM NORTH OF OXFORD OHIO. BE ALERT FOR PONDING OR FLOODING OF LOW LYING AREAS...DO NOT TRY TO CROSS ALREADY FLOODED AREAS. THE STORMS WILL BE MOVING INTO WARREN COUNTY OF SOUTHWEST OHIO WITHIN THE NEXT 30 MINUTES. KEENEY
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 5:27 PM EDT | Severe Thunderstorm Warning | ILN | Preble | 48 min |
| Jun 30, 5:37 PM EDT | Severe Thunderstorm Warning | ILN | Montgomery | 68 min |
| Jun 30, 6:02 PM EDT | Severe Thunderstorm Warning | ILN | Greene | 58 min |
| Jun 30, 6:08 PM EDT | Severe Thunderstorm Warning | ILN | Clinton | 67 min |
| Jun 30, 6:50 PM EDT | Severe Thunderstorm Warning | ILN | Highland | 40 min |
| Jun 30, 7:29 PM EDT | Severe Thunderstorm Warning | ILN | Van Wert | 61 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.