Alert archive / Kentucky / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 79, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jul 20, 1990, 5:18 PM EDT for Campbell County, Kenton County, Pendleton County, Kentucky. It was in force for 57 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
- Jul 20, 1990, 5:18 PM EDT (21:18 UTC)
- Expired
- Jul 20, 1990, 6:15 PM EDT
- In force
- 57 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Campbell County, KY, Kenton County, KY, Pendleton County, KY
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, 5:35 PM EDT | Thunderstorm Wind 0 | Kenton, KY | |
| Jul 20, 5:50 PM EDT | Thunderstorm Wind 0 | Pendleton, KY | |
| Jul 20, 6:00 PM EDT | Thunderstorm Wind 0 | Campbell, KY |
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, 9.3 hours before the alert went out and 117 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
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, Jul 20, 4:08 PM EDT, 1 hour 10 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, 1 hour 9 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, 1 hour 7 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, 58 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
Special weather statement, Jul 20, 4:25 PM EDT, 53 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 EXTENDING 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 NORTHEAS T 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
Special weather statement, Jul 20, 4:41 PM EDT, 37 minutes before
OHZ008-INZ013-KYZ005-202145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 440 PM EDT FRI JUL 20 1990 AT 430 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN AND SMALL HAIL CONTINUED OVER PARTS OF SOUTHEAST INDIANA AND SOUTHWEST OHIO. THUNDERSTORMS EXTENDED FROM JUST SOUTH OF INDIANAPOLIS...NORTHEAST TO ABOUT 25 MILES NORTHEAST OF DAYTON OHIO. ANOTHER AREA OF THUNDERSTORMS EXTENDED FROM ABOUT 50 MILES WEST OF LOUISVILLE KENTUCKY...NORTHEAST TO NEAR COLUMBUS OHIO. THESE AREAS OF THUNDERSTORMS WERE MOVING SOUTHEAST AT ABOUT 20 MILES AN HOUR. GUSTY WINDS AND DANGEROUS LIGHTNING ARE ALSO POSSIBLE WITH THESE STORMS. BE ON THE LOOKOUT FOR SEVERE WEATHER IN YOUR AREA AND LI2STEN TO YOUR LOCAL RADIO STATION OR NOAA WEATHER RADIO FOR POSSIBLE WARNINGS. GOLDEN
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, 4:20 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 |
| Jul 20, 4:50 PM EDT | Severe Thunderstorm Warning | ILN | Franklin | 55 min |
Nearby
Severe Thunderstorm Warnings in Kentucky, 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.