Alert archive / Ohio / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 11, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Apr 12, 1994, 10:00 PM EDT for Brown County, Clermont County, Ohio; Bracken County, Kentucky. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Apr 12, 1994, 10:00 PM EDT (02:00 UTC)
- Expired
- Apr 12, 1994, 11:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Bracken County, KY, Brown County, OH, Clermont County, OH
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 2.0 hours before the alert went out and 113 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
- 532 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 964 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 272 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.5
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, Apr 12, 9:59 PM EDT, 1 minute before
INZ066-073-074-075-080-OHZ070-071-072-077-078-079-080-KYZ089-090- 091-092-093-094-095-096-097-099-122200- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE CINCINNATI OH 459 PM EDT (359 PM EST) TUE APR 12 1994 THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PARTS OF SOUTHWEST OHIO AND SOUTHEAST INDIANA. THE WATCH WILL BE IN EFFECT UNTIL 300 AM EDT WEDNESDAY MORNING. THE WATCH INCLDES THE OHIO COUNTIES OF HAMILTON...BUTLER...AND WARREN AND INCLUDES THE CITY OF CINCINNATI. DEARBORN COUNTY IN INDIANA IS ALSO INCLUDED IN THE WATCH INCLUDING THE CITY OF LAWRENCEBURG. AT 945 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED THUNDERSTORMS WERE DEVELOPING QUICKLY ACROSS SOUTHWEST OHIO...NORTHERN KENTUCKY...AND EASTERN INDIANA NEAR AND JUST SOUTHWEST OF FORT WAYNE. THE HEAVIEST STORMS WERE LOCATED OVER KENTUCKY IN A LINE FROM 30 MILES NORTHEAST OF LOUISVILLE TO MAYSVILLE KENTUCKY...50 MILES SOUTHEAST OF CINCINNATI...TO JACKSON COUNTY OHIO...60 MILES SOUTH OF COLUMBUS. THE STORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR. RAPS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 11:28 PM EDT | Severe Thunderstorm Warning | ILN | Crawford | 62 min |
| Apr 12, 11:43 PM EDT | Severe Thunderstorm Warning | ILN | Morrow | 62 min |
| Apr 13, 12:00 AM EDT | Severe Thunderstorm Warning | ILN | Richland | 60 min |
| Apr 13, 12:18 AM EDT | Severe Thunderstorm Warning | ILN | Ashland | 57 min |
| Apr 12, 10:19 PM EDT | Severe Thunderstorm Warning | ILN | Grant, Owen | 61 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1994Severe Thunderstorm Warnings in Kentucky, 1994Every severe thunderstorm warning in 1994
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.