Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 106, NWS Wilmington, OH

September 14, 1990Montgomery County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Sep 14, 1990, 3:47 PM EDT for Montgomery County, Ohio. It was in force for 73 min.

The area

The counties it named.

The facts

Issued
Sep 14, 1990, 3:47 PM EDT (19:47 UTC)
Expired
Sep 14, 1990, 5:00 PM EDT
In force
73 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Montgomery 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, 7.8 hours before the alert went out and 18 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 1990-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 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 1990-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
255 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
83 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 Wilmington, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 14, 3:02 PM EDTSevere Thunderstorm WarningILNDarke58 min
Sep 14, 3:28 PM EDTSevere Thunderstorm WarningILNMiami, Shelby62 min
Sep 14, 3:35 PM EDTSevere Thunderstorm WarningILNPreble55 min
Sep 14, 4:03 PM EDTSevere Thunderstorm WarningILNChampaign, Clark57 min
Sep 14, 5:07 PM EDTSevere Thunderstorm WarningILNClinton68 min
Sep 14, 5:23 PM EDTTornado WarningILNClinton52 min
Sep 14, 4:32 PM EDTSevere Thunderstorm WarningILNBoone58 min
Sep 14, 3:37 PM EDTSevere Thunderstorm WarningILNFranklin, Ripley68 min
Sep 14, 4:11 PM EDTSevere Thunderstorm WarningILNDearborn64 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.