Alert archive / Ohio / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 91, NWS Cleveland, OH

June 30, 1991Fulton County, Henry County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 30, 1991, 4:57 PM EDT for Fulton County, Henry County, Ohio. It was in force for 63 min. 1 report 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
Jun 30, 1991, 4:57 PM EDT (20:57 UTC)
Expired
Jun 30, 1991, 6:00 PM EDT
In force
63 min
Issued by
NWS Cleveland, OH
Area
Whole counties

Counties Fulton County, OH, Henry County, OH

What was reported inside it

TimeReportWhereRemark
Jun 30, 5:15 PM EDTThunderstorm Wind 0Fulton, 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, 9.0 hours before the alert went out and 175 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.

Skew-T log-pSkew-T log-p diagram, Dayton/James M C, OH at 12:00Z on 1991-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 726 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 12:00Z on 1991-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
726 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1018 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 1:26 PM EDTSevere Thunderstorm WarningCLEColumbiana, Mahoning64 min
Jun 30, 5:45 PM EDTSevere Thunderstorm WarningCLEBelmont, Harrison45 min
Jun 30, 12:37 PM EDTSevere Thunderstorm WarningCLELawrence, Mercer68 min
Jun 30, 2:00 PM EDTSevere Thunderstorm WarningCLELawrence30 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1991Every severe thunderstorm warning in 1991

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.