Alert archive / Ohio / Tornado Warnings in 2000

Tornado Warning 23, NWS Wilmington, OH

September 23, 2000Fairfield County, Ohio

NWS Wilmington, OH issued this tornado warning at Sep 23, 2000, 5:59 PM EDT for Fairfield County, Ohio. It was in force for 41 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
Sep 23, 2000, 5:59 PM EDT (21:59 UTC)
Expired
Sep 23, 2000, 6:40 PM EDT
In force
41 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 22:01 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
Sep 23, 6:15 PM EDTTornado F1Bremen, OHA tornado touched down in the eastern part of the county causing damage to a home and garage.

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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 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 2000-09-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 147 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 2000-09-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
147 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
82 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.

166 
WFUS51 KILN 232159
TORILN
OHC045-232240-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
559 PM EDT SAT SEP 23 2000

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  FAIRFIELD COUNTY IN OHIO...

* UNTIL 640 PM EDT...

* AT 559 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR  
  LANCASTER...MOVING EAST AT 15 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  PLEASANTVILLE...
  LANCASTER...
  BALTIMORE...

THIS STORM PRODUCED A TORNADO TOUCHDOWN IN NORTHEAST PICKAWAY
COUNTY AND FUNNEL CLOUDS IN THE LANCASTER AREA.

THIS IS A DANGEROUS STORM.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

$$
RANDALL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 23, 4:22 PM EDTSevere Thunderstorm WarningILNBrown, Clermont38 min
Sep 23, 4:48 PM EDTSevere Thunderstorm WarningILNLogan42 min
Sep 23, 5:00 PM EDTTornado WarningILNFairfield, Pickaway30 min
Sep 23, 5:29 PM EDTTornado WarningILNFairfield31 min
Sep 23, 5:43 PM EDTSevere Thunderstorm WarningILNBrown, Highland47 min
Sep 23, 5:52 PM EDTSevere Thunderstorm WarningILNChampaign, Logan38 min
Sep 23, 7:10 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin50 min

Nearby

Tornado Warnings in Ohio, 2000Every tornado warning in 2000Tornadoes in 2000

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.