Alert archive / Ohio / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 39, NWS Wilmington, OH

April 28, 2002Preble County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Apr 28, 2002, 3:33 AM EDT for Preble County, Ohio. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 28, 2002, 3:33 AM EDT (07:33 UTC)
Expired
Apr 28, 2002, 4:15 AM EDT
In force
42 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Preble County, OH

The radar

The Cincinnati radar (KILN), 79 km from the middle of the area, began a volume at 07:33 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 7.6 hours before the alert went out and 81 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 00:00Z on 2002-04-28Temperature 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 00:00Z on 2002-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 536 square meters per square second.1939587897117Sfc1 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
458 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
536 m²/s²
0-3 km storm-relative helicity
739 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KILN 280733
SVRILN
OHC135-280815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
333 AM EDT SUN APR 28 2002

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PREBLE COUNTY IN WEST CENTRAL OHIO...

* UNTIL 415 AM EDT...

* AT 333 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTH OF NEW PARIS...OR ABOUT 5 MILES
  SOUTHEAST OF RICHMOND...MOVING EAST AT 60 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  EATON...
  LEWISBURG...
  NEW PARIS...
  WEST ALEXANDRIA...

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 3:47 AM EDTSevere Thunderstorm WarningILNMontgomery28 min
Apr 28, 4:25 AM EDTSevere Thunderstorm WarningILNBrown35 min
Apr 28, 5:07 AM EDTFlash Flood WarningILNScioto3 hr
Apr 28, 11:44 AM EDTSevere Thunderstorm WarningILNGreene, Montgomery61 min
Apr 28, 12:10 PM EDTSevere Thunderstorm WarningILNFayette50 min
Apr 28, 12:26 PM EDTSevere Thunderstorm WarningILNMadison49 min
Apr 28, 12:42 PM EDTSevere Thunderstorm WarningILNPickaway63 min
Apr 28, 12:50 PM EDTSevere Thunderstorm WarningILNClinton40 min
Apr 28, 1:11 PM EDTSevere Thunderstorm WarningILNFairfield49 min
Apr 28, 1:20 PM EDTSevere Thunderstorm WarningILNHighland55 min
Apr 28, 1:36 PM EDTSevere Thunderstorm WarningILNRoss39 min
Apr 28, 2:12 PM EDTSevere Thunderstorm WarningILNHocking48 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2002Every severe thunderstorm warning in 2002

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; radar from the NEXRAD Level II archive.