Alert archive / Ohio / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 49, NWS Charleston, WV

May 21, 2001Jackson County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at May 21, 2001, 5:57 PM EDT for Jackson County, Ohio. It was in force for 33 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
May 21, 2001, 5:57 PM EDT (21:57 UTC)
Expired
May 21, 2001, 6:30 PM EDT
In force
33 min
Issued by
NWS Charleston, WV
Area
Whole counties

County Jackson County, OH

What was reported inside it

TimeReportWhereRemark
May 21, 6:10 PM EDTThunderstorm WindOak Hill, OHLarge tree branches were blown 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 nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.0 hours before the alert went out and 112 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 2001-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1016 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 2001-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.19395878Sfc1 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
1016 J/kg
Mixed-layer CIN
-24 J/kg
Mixed-layer LCL
731 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
129 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 KRLX 212158
SVRRLX
OHC079-212230-
/NEW.KRLX.SV.W.0079.212157-212230/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
557 PM EDT MON MAY 21 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JACKSON COUNTY IN OHIO...

* UNTIL 630 PM EDT...

* AT 553 PM EDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
  THUNDERSTORM 9 MILES SOUTHWEST OF OAK HILL...MOVING NORTHEAST AT 20
  MPH.

* SOME LOCATIONS IN THE PATH INCLUDE
  OAK HILL
  PYRO

<<CALL TO ACTION>>SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCED WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY
IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A
TORNADO IS SPOTTED.

PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772.

$$

LAT...LON 3885 8277 3886 8246 3914 8244 3899 8266

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 21, 6:10 PM EDTTornado WarningRLXGallia, Meigs35 min
May 21, 6:16 PM EDTFlash Flood WarningRLXJackson3 hr
May 21, 6:29 PM EDTTornado WarningRLXJackson16 min
May 21, 6:42 PM EDTFlash Flood WarningRLXGallia3 hr
May 21, 6:50 PM EDTTornado WarningRLXGallia, Meigs25 min
May 21, 7:03 PM EDTFlash Flood WarningRLXMeigs, Vinton3 hr
May 21, 7:29 PM EDTTornado WarningRLXMeigs16 min
May 21, 7:33 PM EDTFlash Flood WarningRLXAthens3 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2001Every severe thunderstorm warning in 2001

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.