Alert archive / Ohio / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 310, NWS Wilmington, OH

August 25, 1998Fairfield County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Aug 25, 1998, 5:44 PM EDT for Fairfield County, Ohio. It was in force for 61 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
Aug 25, 1998, 5:44 PM EDT (21:44 UTC)
Expired
Aug 25, 1998, 6:45 PM EDT
In force
61 min
Issued by
NWS Wilmington, OH
Area
Whole counties

County Fairfield County, OH

The radar

The Cincinnati radar (KILN), 108 km from the middle of the area, began a volume at 21:45 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.

What was reported inside it

TimeReportWhereRemark
Aug 25, 6:00 PM EDTThunderstorm Wind 50Clearport, OHTrees and power lines knocked down.

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
Aug 25, 2:30 PM EDTSevere Thunderstorm WatchSPC7 hr
Aug 25, 4:45 PM EDTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.7 hours before the alert went out and 106 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 1998-08-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 1998-08-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
369 J/kg
Mixed-layer CIN
-244 J/kg
Mixed-layer LCL
1371 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
120 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

894 
WUUS01 KILN 252146 RRA
SVRILN
OHC045-252245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
544 PM EDT TUE AUG 25 1998

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAIRFIELD COUNTY IN CENTRAL OHIO.

* UNTIL 645 PM EDT

* AT 545 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 14 MILES WEST OF LANCASTER OR 14 MILES
  SOUTHWEST OF PICKERINGTON MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OAKLAND AT 558 PM EDT .
  AMANDA AT 601 PM EDT .
  LANCASTER AT 605 PM EDT .

THIS STORM HAS KNOCKED DOWN TREES IN PICKAWAY COUNTY.

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

.END/SITES


&

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 8:23 PM EDTSevere Thunderstorm WarningILNGreene32 min
Aug 25, 2:03 PM EDTSevere Thunderstorm WarningILNHardin42 min
Aug 25, 3:24 PM EDTSevere Thunderstorm WarningILNLogan46 min
Aug 25, 3:34 PM EDTTornado WarningILNLicking66 min
Aug 25, 3:35 PM EDTSevere Thunderstorm WarningILNShelby35 min
Aug 25, 3:39 PM EDTSevere Thunderstorm WarningILNDarke46 min
Aug 25, 3:39 PM EDTSevere Thunderstorm WarningILNDelaware61 min
Aug 25, 3:47 PM EDTSevere Thunderstorm WarningILNChampaign63 min
Aug 25, 3:54 PM EDTSevere Thunderstorm WarningILNMiami46 min
Aug 25, 4:08 PM EDTSevere Thunderstorm WarningILNUnion47 min
Aug 25, 4:17 PM EDTSevere Thunderstorm WarningILNFranklin63 min
Aug 25, 4:19 PM EDTSevere Thunderstorm WarningILNMadison66 min
Aug 25, 4:26 PM EDTSevere Thunderstorm WarningILNLicking59 min
Aug 25, 4:31 PM EDTSevere Thunderstorm WarningILNClark64 min
Aug 25, 5:13 PM EDTSevere Thunderstorm WarningILNPickaway62 min
Aug 25, 5:18 PM EDTSevere Thunderstorm WarningILNFayette62 min
Aug 25, 5:49 PM EDTSevere Thunderstorm WarningILNMontgomery61 min
Aug 25, 6:00 PM EDTSevere Thunderstorm WarningILNHocking65 min
Aug 25, 6:19 PM EDTSevere Thunderstorm WarningILNRoss76 min
Aug 25, 6:37 PM EDTSevere Thunderstorm WarningILNHamilton33 min
Aug 25, 7:16 PM EDTSevere Thunderstorm WarningILNClermont29 min
Aug 25, 7:19 PM EDTSevere Thunderstorm WarningILNPike51 min
Aug 25, 7:25 PM EDTSevere Thunderstorm WarningILNBrown30 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1998Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.