Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 75, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 20, 1990, 4:20 PM EDT for Miami County, Montgomery County, Ohio. It was in force for 40 min. 2 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
- Jul 20, 1990, 4:20 PM EDT (20:20 UTC)
- Expired
- Jul 20, 1990, 5:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Miami County, OH, Montgomery 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 |
|---|---|---|---|
| Jul 20, 4:30 PM EDT | Thunderstorm Wind 0 | Miami, OH | |
| Jul 20, 4:30 PM EDT | Thunderstorm Wind 0 | Montgomery, 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, 8.3 hours before the alert went out and 5 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 202020
SVRDAY
OHC109-113-202100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DAYTON OH
420 PM EDT FRI JUL 20 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 500 PM EDT FOR PEOPLE IN THE FOLLOWING
COUNTIES
IN THE STATE OF OHIO
MIAMI...MONTGOMERY
AT 418 PM EDT WEATHER RADAR INDICATED A POSSIBLE SEVERE
THUNDERSTORM MOVING INTO SOUTHERN MIAMI AND NORTHERN MONTGOMERY
COUNTIES IN WESTERN OHIO.
THE STORM WAS MOVING EAST AT 45 MPH AND WILL MOVE ACROSS
THE DAYTON INTERNATIONAL AIRPORT...AND THE CITIES OF TIPP CITY
AND VANDALIA.
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 HOME OR BUSINESS. HEAVY RAINS FLOOD ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.
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, 3:48 PM EDT, 32 minutes before
OHZ008-INZ013-KYZ005-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 348 PM EDT FRI JUL 20 1990 .A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR PARTS OF SOUTHWEST OHIO. AT 330 PM EDT...THUNDERSTORMS HAD MOVED INTO SOUTHWEST OHIO... NORTHERN KENTUCKY AND SOUTHEAST INDIANA. THUNDERSTORMS WITH VERY HEAVY RAIN...SMALL HAIL AND HEAVY RAIN WERE OVER RIPLEY COUNTY OF SOUTHEAST INDIANA. AT 330 PM EDT RIPLEY COUNTY SHERIFF REPORTED SMALL HAIL AND VERY HEAVY RAIN 4 MILES SOUTH OF DILLSBORO IN SOUTHEAST RIPLEY COUNTY. THIS STORM WILL MOVE INTO DEARBORN AND OHIO COUNTIES OF SOUTHEAST INDIANA BY 4 PM EDT. OTHER THUNDERSTORMS WERE OVER BOONE COUNTY KENTUCKY AND HAMILTON COUNTY OF SOUTHWEST OHIO. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. JN
Special weather statement, Jul 20, 3:58 PM EDT, 22 minutes before
OHZ008-INZ013-KYZ005-202100- SPECIAL WEATHER STATEMENT...CORRECTION.. NATIONAL WEATHER SERVICE CINCINNATI OH 357 PM EDT FRI JUL 20 1990 .A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EDT FOR PARTS OF SOUTHWEST OHIO. AT 330 PM EDT...THUNDERSTORMS HAD MOVED INTO SOUTHWEST OHIO... NORTHERN KENTUCKY AND SOUTHEAST INDIANA. THUNDERSTORMS WITH SMALL HAIL AND VERY HEAVY RAIN WERE OVER RIPLEY COUNTY OF SOUTHEAST INDIANA. AT 330 PM EDT RIPLEY COUNTY SHERIFF REPORTED SMALL HAIL AND VERY HEAVY RAIN 4 MILES SOUTH OF DILLSBORO IN SOUTHEAST RIPLEY COUNTY. THIS STORM WILL MOVE INTO DEARBORN AND OHIO COUNTIES OF SOUTHEAST INDIANA BY 4 PM EDT. OTHER THUNDERSTORMS WERE OVER BOONE COUNTY KENTUCKY AND HAMILTON COUNTY OF SOUTHWEST OHIO. THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. JN CORRECTED TO DELETE HEAVY RAIN FROM MAIN PARAGRAPH
Special weather statement, Jul 20, 4:08 PM EDT, 12 minutes before
OHZ008-INZ013-KYZ005-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 405 PM EDT FRI JUL 20 1990 THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE OVER SOUTHEAST INDIANA AT 4PM. THE RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN AT 4 PM IN SOUTHERN DEARBORN AND OHIO COUNTIES OF SOUTHEAST INDIANA. THE STORMS WERE MOVING TO THE EAST 40 MPH. THE STORMS WILL MOVE OVER THE SOUTHERN HALF OF BOONE AND KENTON COUNTIES OF NORTHERN KENTUCKY BY 5 PM. THE STORMS WILL PRODUCE VERY HEAVY RAIN..SMALL HAIL AND GUSTY WINDS. END JR THE THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. JN CORRECTED TO DELETE HEAVY RAIN FROM MAIN PARAGRAPH
Special weather statement, Jul 20, 4:09 PM EDT, 11 minutes before
OHZ008-INZ013-KYZ005-202100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 408 PM EDT FRI JUL 20 1990 THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL WERE OVER SOUTHEAST INDIANA AT 4PM. THE RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH VERY HEAVY RAIN AT 4 PM IN SOUTHERN DEARBORN AND OHIO COUNTIES OF SOUTHEAST INDIANA. THE STORMS WERE MOVING TO THE EAST 40 MPH. THE STORMS WILL MOVE OVER THE SOUTHERN HALF OF BOONE AND KENTON COUNTIES OF NORTHERN KENTUCKY BY 5 PM. THE STORMS WILL PRODUCE VERY HEAVY RAIN..SMALL HAIL AND GUSTY WINDS. END JR CORRECTED TO DELETE HEAVY RAIN FROM MAIN PARAGRAPH
Special weather statement, Jul 20, 4:11 PM EDT, 9 minutes before
OHZ006-007-009-011-202130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 410 PM EDT FRI JUL 20 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL OHIO UNTIL 800 PM EDT AND A FLOOD WATCH IS IN EFFECT FOR TONIGHT. AT 400 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF RAIN SHOWERS AND THUNDERSTORMS EXTENDED FROM JUST SOUTHWEST OF CLEVELAND SOUTH TO CAMBRIDGE AND EAST TO 20 MILES SOUTH OF COLUMBUS. THE AREA ALSO EXTENDED NORTH TO MARION THEN NORTHEAST TO CLEVELAND. THE AREA WAS MOVING EAST SOUTHEAST AT 25 MPH. ANOTHER AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN WAS MOVING INTO WEST CENTRAL OHIO AND EXTENDED FROM 20 MILES NORTHEAST OF DAYTON TO RICHMOND INDIANA. THESE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. LISTEN TO NOAA WEATHER RADIO... OR YOUR LOCAL RADIO OR TV STATIONS FOR STATEMENTS AND POSSIBLE WARNINGS. GSS
Special weather statement, Jul 20, 4:20 PM EDT, 0 minutes before
OHZ006-007-009-011-202130- SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE COLUMBUS OH 410 PM EDT FRI JUL 20 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF CENTRAL OHIO UNTIL 800 PM EDT AND A FLOOD WATCH IS IN EFFECT FOR TONIGHT. AT 400 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF RAIN SHOWERS AND THUNDERSTORMS EXTENDED FROM JUST SOUTHWEST OF CLEVELAND SOUTH TO CAMBRIDGE AND WEST TO 20 MILES SOUTH OF COLUMBUS. THE AREA ALSO EXTENDED NORTH TO MARION THEN NORTHEAST TO CLEVELAND. THE AREA WAS MOVING EAST SOUTHEAST AT 25 MPH. ANOTHER AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN WAS MOVING INTO WEST CENTRAL OHIO AND EXTENDED FROM 20 MILES NORTHEAST OF DAYTON TO RICHMOND INDIANA. THESE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR. LISTEN TO NOAA WEATHER RADIO... OR YOUR LOCAL RADIO OR TV STATIONS FOR STATEMENTS AND POSSIBLE WARNINGS. GSS CORRECTED FOR TYPO
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 3:40 PM EDT | Severe Thunderstorm Warning | ILN | Darke | 50 min |
| Jul 20, 3:54 PM EDT | Severe Thunderstorm Warning | ILN | Preble | 51 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.