Alert archive / Ohio / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 142, NWS Wilmington, OH

July 26, 1999Warren County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Jul 26, 1999, 5:37 PM EDT for Warren 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
Jul 26, 1999, 5:37 PM EDT (21:37 UTC)
Expired
Jul 26, 1999, 6:40 PM EDT
In force
63 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Warren County, OH

What was reported inside it

TimeReportWhereRemark
Jul 26, 6:20 PM EDTThunderstorm Wind 50Franklin, OHTrees down across the county.

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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 26, 3:30 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.6 hours before the alert went out and 32 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, Cncnati-Daytn, OH at 12:00Z on 1999-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Cncnati-Daytn, OH at 12:00Z on 1999-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1554 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
139 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
Jul 26, 2:46 PM EDTSevere Thunderstorm WarningILNShelby49 min
Jul 26, 3:10 PM EDTSevere Thunderstorm WarningILNMiami35 min
Jul 26, 3:57 PM EDTSevere Thunderstorm WarningILNClark48 min
Jul 26, 4:18 PM EDTSevere Thunderstorm WarningILNClinton47 min
Jul 26, 4:50 PM EDTSevere Thunderstorm WarningILNAuglaize, Mercer35 min
Jul 26, 5:01 PM EDTSevere Thunderstorm WarningILNPreble64 min
Jul 26, 5:10 PM EDTSevere Thunderstorm WarningILNMontgomery65 min
Jul 26, 5:39 PM EDTSevere Thunderstorm WarningILNButler36 min
Jul 26, 5:42 PM EDTSevere Thunderstorm WarningILNLogan48 min
Jul 26, 5:55 PM EDTSevere Thunderstorm WarningILNGreene35 min
Jul 26, 6:06 PM EDTSevere Thunderstorm WarningILNClinton64 min
Jul 26, 6:42 PM EDTSevere Thunderstorm WarningILNFayette, Highland63 min
Jul 26, 4:27 PM EDTSevere Thunderstorm WarningILNWayne48 min
Jul 26, 4:56 PM EDTSevere Thunderstorm WarningILNFayette, Union49 min
Jul 26, 7:08 PM EDTSevere Thunderstorm WarningILNFranklin47 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1999Every severe thunderstorm warning in 1999

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.