Alert archive / Ohio / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 11, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Apr 13, 1994, 12:33 AM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 57 min.
The area
The counties it named.
The facts
- Issued
- Apr 13, 1994, 12:33 AM EDT (04:33 UTC)
- Expired
- Apr 13, 1994, 1:30 AM EDT
- In force
- 57 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Mahoning County, OH, Trumbull County, OH
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 4.6 hours before the alert went out and 101 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
- 3 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 239 m²/s²
- 0-3 km storm-relative helicity
- 278 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KYNG 130436 SVRYNG OHC099-155-130530- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND FLASH FLOOD WARNING NATIONAL WEATHER SERVICE YOUNGSTOWN OH 1233 AM EDT WED APR 13 1994 THE NATIONAL WEATHER SERVICE IN YOUNGSTOWN HAS ISSUED A SEVERE THUNDERSTORM AND FLASH FLOOD WARNING EFFECTIVE UNTIL 130 AM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST OHIO ...MAHONING COUNTY...TRUMBULL COUNTY AT 1230 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM NEAR DEERFIELD IN SOUTHEAST PORTAGE COUNTY. THIS STORM WAS MOVING NORTHEAST AT 40 MPH AND WILL AFFECT LAKE MILTON BY 1240 AM AND THE CITIES OF GIRARD...NILES...AND WARREN BY 1250 AM. THIS STORM HAS A HISTORY OF PRODUCING LARGE HAIL...WIND GUSTS IN EXCESS OF 50 MPH....AND VERY HEAVY RAINS. AS THE SOILS IN THESE AREAS ARE ALREADY SATURATED...ANY ADDITIONAL RAINFALL WILL COMPLICATE AN ALREADY SERIOUS FLOODING SITUATION. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. VEENEMAN
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, 9:57 PM EDT, 2 hours 36 minutes before
OHZALL-130900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 955 PM EDT TUE APR 12 1994 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR A PORTION OF WESTERN OHIO UNTIL 3AM EDT AND THE REMAINDER OF OHIO EXCEPT SOUTHEAST OHIO UNTIL 5AM EDT. SOME CITIES IN THE WATCH INCLUDE CINCINNATI...DAYTON...FINDLAY... TOLEDO...CLEVELAND...COLUMBUS...ZANESVILLE AND YOUNGSTOWN. WARM MOIST AND UNSTABLE AIR WAS IN PLACE ACROSS THE OHIO VALLEY THIS EVENING AND A COLD FRONT WAS MOVING THROUGH INDIANA. THUNDERSTORMS WERE RAPIDLY DEVELOPING ALONG THE FRONT THIS EVENING AND WERE MOVING INTO WESTERN AND SOUTHERN OHIO. THE THUNDERSTORMS WILL CONTINUE TO DEVELOP AND MOVE ACROSS THE STATE TONIGHT. VERY HEAVY RAINFALL...STRONG WINDS AND HAIL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE ACROSS THE STATE.
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 12, 10:57 PM EDT | Severe Thunderstorm Warning | CLE | Coshocton, Tuscarawas | 63 min |
| Apr 12, 11:39 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 66 min |
| Apr 13, 12:15 AM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 60 min |
| Apr 13, 12:23 AM EDT | Flash Flood Warning | CLE | Huron | 67 min |
| Apr 13, 12:23 AM EDT | Severe Thunderstorm Warning | CLE | Huron | 67 min |
| Apr 13, 12:33 AM EDT | Flash Flood Warning | CLE | Mahoning, Trumbull | 57 min |
| Apr 13, 12:43 AM EDT | Flash Flood Warning | CLE | Lorain | 62 min |
| Apr 13, 12:43 AM EDT | Severe Thunderstorm Warning | CLE | Lorain | 62 min |
| Apr 13, 1:30 AM EDT | Severe Thunderstorm Warning | CLE | Henry | 30 min |
| Apr 13, 1:36 AM EDT | Flash Flood Warning | CLE | Mahoning, Trumbull | 3 hr |
| Apr 13, 2:00 AM EDT | Severe Thunderstorm Warning | CLE | Lucas | 30 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 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.