Alert archive / Ohio / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 273, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 20, 1994, 2:37 PM EDT for Ottawa County, Ohio. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Aug 20, 1994, 2:37 PM EDT (18:37 UTC)
- Expired
- Aug 20, 1994, 3:45 PM EDT
- In force
- 68 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Ottawa County, OH
The nearest sounding before it
Detroit, MI (KFNT), launched 12:00Z, 6.6 hours before the alert went out and 142 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
- 546 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 75 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KCLE 201840 RRA SVRCLE OHC123-201945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CLEVELAND OH 237 PM EDT SAT AUG 20 1994 THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN OHIO ...OTTAWA COUNTY AND THE ADJACENT WATERS OF LAKE ERIE NATIONAL WEATHER SERVICE DOPPLER RADAR IN CELEVELAND INDICATED A POSSIBLE SEVERE THUNDERSTORM OVER GRAYTOWN IN OTTAWA COUNTY. THIS STORM WAS MOVING NORTHEAST AT ABOUT 35 MPH AND WILL BE MOVING THROUGH THE TOWNS OF LINESTONE AN LONG BEACH. SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS... FREQUENT LIGHTNING AND HEAVY RAINS WHICH MAY CAUSE FLOODING OF DRAINAGE SYSTEMS. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. DEB
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, Aug 20, 2:33 PM EDT, 4 minutes before
OHZALL-210100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 233 PM EDT SAT AUG 20 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL AND NORTHEAST OHIO THROUGH CENTRAL AND SOUTHWEST OHIO UNTIL 9 PM EDT THIS EVENING. THE WATCH INCLUDES THE CLEVELAND AREA EXTENDING SOUTHWEST THROUGH COLUMBUS AND THE CINCINNATI AREAS. OTHER CITIES INCLUDE DAYTON... AKRON...MANSFIELD...ASHTABULA...FINDLAY AND SANDUSKY. AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND SHOWED AN AREA OF SHOWERS WITH EMBEDDED THUNDERSTORMS FROM THE TOLEDO AREA THROUGH LIMA AND CONTINUING INTO INDIANA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND ARE EXPECTED TO DEVELOP RAPIDLY INTO THE WATCH AREA AFTER 4PM. SEVERAL STORMS HAD ALREADY MOVED INTO THE WESTERN BASIN OF LAKE ERIE. PEOPLE AND BOATERS ALIKE SHOULD MONITOR NOAA WEATHER RADIO FOR THE LATEST UPDATES FOR DEVELOPING SEVERE WEATHER....ESPECIALLY IN THE WATCH AREA. SOME OF THESE THUNDERSTORMS WILL HAVE THE POTENTIAL FOR PRODUCING LARGE HAIL AND STRONG DAMAGING WINDS. SEM
Special weather statement, Aug 20, 2:34 PM EDT, 3 minutes before
OHZALL-210100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 233 PM EDT SAT AUG 20 1994 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL AND NORTHEAST OHIO THROUGH CENTRAL AND SOUTHWEST OHIO UNTIL 9 PM EDT THIS EVENING. THE WATCH INCLUDES THE CLEVELAND AREA EXTENDING SOUTHWEST THROUGH COLUMBUS AND THE CINCINNATI AREAS. OTHER CITIES INCLUDE DAYTON... AKRON...MANSFIELD...ASHTABULA...FINDLAY AND SANDUSKY. AT 230 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR IN CLEVELAND SHOWED AN AREA OF SHOWERS WITH EMBEDDED THUNDERSTORMS FROM THE TOLEDO AREA THROUGH LIMA AND CONTINUING INTO INDIANA. THESE STORMS WERE MOVING TO THE NORTHEAST AT 35 MILES AN HOUR AND ARE EXPECTED TO DEVELOP RAPIDLY INTO THE WATCH AREA AFTER 4PM. SEVERAL STORMS HAD ALREADY MOVED INTO THE WESTERN BASIN OF LAKE ERIE. PEOPLE AND BOATERS ALIKE SHOULD MONITOR NOAA WEATHER RADIO FOR THE LATEST UPDATES FOR DEVELOPING SEVERE WEATHER....ESPECIALLY IN THE WATCH AREA. SOME OF THESE THUNDERSTORMS WILL HAVE THE POTENTIAL FOR PRODUCING LARGE HAIL AND STRONG DAMAGING WINDS. SEM
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.