Alert archive / Ohio / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 39, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Aug 2, 1987, 9:17 PM EDT for Crawford County, Richland County, Ohio. It was in force for 63 min. 2 reports 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
- Aug 2, 1987, 9:17 PM EDT (01:17 UTC)
- Expired
- Aug 2, 1987, 10:20 PM EDT
- In force
- 63 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Crawford County, OH, Richland County, OH
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 2, 9:49 PM EDT | Thunderstorm Wind 0 | Richland, OH | |
| Aug 2, 9:49 PM EDT | Thunderstorm Wind 59 | Richland, 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
Dayton/James M C, OH (KDAY), launched 00:00Z, 1.3 hours before the alert went out and 161 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.
- Mixed-layer CAPE
- 3437 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1193 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMFD 030115 SVRMFD OHC033-139-030220- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MANSFIELD OH ISSUED BY COLUMBUS 917 PM EDT SUN AUG 2 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1020 PM EDT FOR THE FOLLOWING COUNTIES OF NORTH CENTRAL OHIO... CRAWFORD... RICHLAND WEATHER SERVICE RADAR INDICATED SEVERE THUNDERSTORMS ENTERING CRAWFORD AND RICHLAND COUNTIES THIS THUNDERSTORM MAY PRODUCE LARGE HAIL...HEAVY RAIN...DAMAGING WINDS AND DANGEROUS LIGHTNING. SEEK SHELTER FROM THIS STORM. LVW
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 8:47 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 33 min |
| Aug 2, 8:54 PM EDT | Tornado Warning | ILN | Ashland | 46 min |
| Aug 2, 9:20 PM EDT | Severe Thunderstorm Warning | ILN | Logan | 50 min |
| Aug 2, 9:30 PM EDT | Severe Thunderstorm Warning | ILN | Morrow | 60 min |
| Aug 2, 9:59 PM EDT | Severe Thunderstorm Warning | ILN | Ashland | 51 min |
| Aug 2, 10:39 PM EDT | Severe Thunderstorm Warning | ILN | Allen | 41 min |
| Aug 2, 10:57 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 43 min |
| Aug 2, 11:20 PM EDT | Severe Thunderstorm Warning | ILN | Mercer | 50 min |
| Aug 2, 11:26 PM EDT | Severe Thunderstorm Warning | ILN | Auglaize | 44 min |
| Aug 2, 11:43 PM EDT | Severe Thunderstorm Warning | ILN | Logan | 47 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1987Every severe thunderstorm warning in 1987
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.