Alert archive / Ohio / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 13, NWS Jackson, KY

April 9, 1991Meigs County, Ohio

NWS Jackson, KY issued this severe thunderstorm warning at Apr 9, 1991, 5:47 PM EDT for Meigs County, Ohio. It was in force for 58 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
Apr 9, 1991, 5:47 PM EDT (21:47 UTC)
Expired
Apr 9, 1991, 6:45 PM EDT
In force
58 min
Issued by
NWS Jackson, KY
Area
Whole counties

County Meigs County, OH

What was reported inside it

TimeReportWhereRemark
Apr 9, 6:05 PM EDTThunderstorm Wind 0Meigs, 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

Huntington/Tri S, WV (KHTS), launched 12:00Z, 9.8 hours before the alert went out and 89 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, Huntington/Tri S, WV at 12:00Z on 1991-04-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 211 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, Huntington/Tri S, WV at 12:00Z on 1991-04-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.193958Sfc1 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
211 J/kg
Mixed-layer CIN
-93 J/kg
Mixed-layer LCL
764 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
192 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 Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 9, 4:27 PM EDTSevere Thunderstorm WarningJKLLee, Owsley63 min
Apr 9, 4:44 PM EDTSevere Thunderstorm WarningJKLClay, Knox46 min
Apr 9, 4:57 PM EDTSevere Thunderstorm WarningJKLBreathitt, Leslie, Perry48 min
Apr 9, 5:05 PM EDTSevere Thunderstorm WarningJKLGreenup55 min
Apr 9, 5:17 PM EDTSevere Thunderstorm WarningJKLKnott, Magoffin43 min
Apr 9, 5:29 PM EDTSevere Thunderstorm WarningJKLLawrence61 min
Apr 9, 5:33 PM EDTSevere Thunderstorm WarningJKLLetcher57 min
Apr 9, 5:33 PM EDTSevere Thunderstorm WarningJKLFloyd57 min
Apr 9, 5:33 PM EDTTornado WarningJKLJohnson, Martin42 min
Apr 9, 5:51 PM EDTSevere Thunderstorm WarningJKLPike39 min
Apr 9, 5:47 PM EDTSevere Thunderstorm WarningJKLGallia, Jackson58 min
Apr 9, 5:29 PM EDTSevere Thunderstorm WarningJKLCabell61 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.