Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 51, NWS Wilmington, OH

July 9, 1990Richland County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 9, 1990, 12:35 PM EDT for Richland County, Ohio. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1990, 12:35 PM EDT (16:35 UTC)
Expired
Jul 9, 1990, 1:30 PM EDT
In force
55 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Richland County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 4.6 hours before the alert went out and 171 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 1990-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1078 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 1990-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
1078 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1196 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

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 Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 9, 12:50 PM EDTSevere Thunderstorm WarningILNAshland40 min
Jul 9, 1:19 PM EDTSevere Thunderstorm WarningILNMercer56 min
Jul 9, 1:53 PM EDTSevere Thunderstorm WarningILNAuglaize67 min
Jul 9, 2:13 PM EDTSevere Thunderstorm WarningILNDarke, Shelby62 min
Jul 9, 3:46 PM EDTSevere Thunderstorm WarningILNGreene, Montgomery59 min
Jul 9, 4:43 PM EDTSevere Thunderstorm WarningILNGreene32 min
Jul 9, 4:49 PM EDTSevere Thunderstorm WarningILNClinton, Warren56 min
Jul 9, 5:44 PM EDTSevere Thunderstorm WarningILNGreene61 min
Jul 9, 5:45 PM EDTSevere Thunderstorm WarningILNCrawford, Richland60 min
Jul 9, 5:54 PM EDTSevere Thunderstorm WarningILNMontgomery66 min
Jul 9, 6:07 PM EDTSevere Thunderstorm WarningILNClark68 min
Jul 9, 6:14 PM EDTFlash Flood WarningILNClark, Greene2 hr
Jul 9, 6:24 PM EDTSevere Thunderstorm WarningILNPreble66 min
Jul 9, 6:56 PM EDTSevere Thunderstorm WarningILNMontgomery34 min
Jul 9, 7:24 PM EDTSevere Thunderstorm WarningILNWarren66 min
Jul 9, 7:25 PM EDTSevere Thunderstorm WarningILNGreene35 min
Jul 9, 7:35 PM EDTSevere Thunderstorm WarningILNClinton55 min
Jul 9, 7:35 PM EDTTornado WarningILNKnox60 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990Every severe thunderstorm warning in 1990

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.