Alert archive / Ohio / Tornado Warnings in 2011

Tornado Warning 47, NWS Wilmington, OH

May 23, 2011Champaign County, Clark County, Logan County, Ohio

NWS Wilmington, OH issued this tornado warning at May 23, 2011, 8:02 PM EDT for Champaign County, Clark County, Logan County, Ohio. It was in force for 32 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 23, 2011, 8:02 PM EDT (00:02 UTC)
Expired
May 23, 2011, 8:34 PM EDT
In force
32 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Champaign County, OH, Clark County, OH, Logan County, OH

The radar

The Cincinnati radar (KILN), 97 km from the middle of the area, began a volume at 00:03 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
May 23, 8:04 PM EDTTSTM WND DMGQuincy, OHTREE DOWNED.
May 23, 8:07 PM EDTTSTM WND GST 60Lewistown, OH
May 23, 8:10 PM EDTTSTM WND GST 58Kedj Bellefontaine Apt, OH
May 23, 8:15 PM EDTHAIL 0.5Urbana, OH

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 23, 4:28 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 96 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 2011-05-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 729 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 00:00Z on 2011-05-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 144 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
729 J/kg
Mixed-layer CIN
-44 J/kg
Mixed-layer LCL
1494 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
144 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.2

Open this sounding in Storm Lab

The text

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

271 
WFUS51 KILN 240002
TORILN
OHC021-023-091-240045-
/O.NEW.KILN.TO.W.0047.110524T0002Z-110524T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
802 PM EDT MON MAY 23 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CHAMPAIGN COUNTY IN WEST CENTRAL OHIO...
  NORTHWESTERN CLARK COUNTY IN WEST CENTRAL OHIO...
  LOGAN COUNTY IN WEST CENTRAL OHIO...

* UNTIL 845 PM EDT.

* AT 759 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR ST.   
PARIS...MOVING EAST AT 45 MPH. ANOTHER THUNDERSTORM CAPABLE OF 
PRODUCING A TORNADO WAS LOCATED NEAR PEMBERTON. IN ADDITION TO THE 
TORNADO...THIS STORM IS CAPABLE OF PRODUCING DESTRUCTIVE STRAIGHT 
LINE WINDS.

* LOCATIONS IMPACTED INCLUDE...
  ST. PARIS...
  DE GRAFF...
  URBANA...
  WEST LIBERTY...
  BELLEFONTAINE...
  NORTH LEWISBURG...
  WEST MANSFIELD...

IN ADDITION...DIALTON...THACKERY...CARYSVILLE...KISER LAKE STATE
PARK...ROSEWOOD...TERRE HAUTE...MILLERSTOWN AND QUINCY ARE NEAR THE
PATH OF THIS DANGEROUS THUNDERSTORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT
TUESDAY MORNING FOR SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY
AND SOUTHWESTERN OHIO.

&&

LAT...LON 4048 8352 4023 8355 4023 8349 4020 8349
      3998 8402 4024 8402 4046 8399
TIME...MOT...LOC 0001Z 252DEG 38KT 4014 8400

$$

HATZOS
2 follow-up statements
633 
WWUS51 KILN 240018
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
818 PM EDT MON MAY 23 2011

OHC023-240028-
/O.CAN.KILN.TO.W.0047.000000T0000Z-110524T0045Z/
CLARK OH-
818 PM EDT MON MAY 23 2011

...THE TORNADO WARNING FOR NORTHWESTERN CLARK COUNTY HAS BEEN
CANCELLED...

ANOTHER TORNADO WARNING IS IN EFFECT FOR PARTS OF CENTRAL AND 
SOUTHEASTERN CLARK COUNTY.

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 4047 8352 4022 8355 4022 8349 4021 8349
      4019 8350 4006 8382 4006 8383 4009 8383
      4010 8383 4027 8386 4046 8385
TIME...MOT...LOC 0018Z 252DEG 38KT 4017 8373

$$

OHC021-091-240045-
/O.CON.KILN.TO.W.0047.000000T0000Z-110524T0045Z/
CHAMPAIGN OH-LOGAN OH-
818 PM EDT MON MAY 23 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 845 PM EDT FOR EASTERN
LOGAN AND EASTERN CHAMPAIGN COUNTIES...

AT 816 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
LIPPINCOTT...MOVING EAST AT 45 MPH. ANOTHER SEVERE THUNDERSTORM 
CAPABLE OF PRODUCING A TORNADO WAS LOCATED 3 MILES NORTH OF 
BELLEFONTAINE. IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF 
PRODUCING DESTRUCTIVE STRAIGHT LINE WINDS.

LOCATIONS IMPACTED INCLUDE...
BELLEFONTAINE...NORTH LEWISBURG AND WEST MANSFIELD.

IN ADDITION...HUNTSVILLE...KENNARD...CABLE...MINGO...VALLEY HI...
ZANESFIELD...PICKRELLTOWN AND NEW JERUSALEM ARE NEAR THE PATH OF THIS
STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER. PROTECT YOURSELF
FROM FLYING DEBRIS.

TORNADOES ARE DIFFICULT TO SEE AND CONFIRM AT NIGHT. TAKE COVER NOW.

PLEASE REPORT TORNADOES...FUNNEL CLOUDS...STRONG WINDS OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772...WHEN
YOU CAN DO SO SAFELY.

&&

LAT...LON 4047 8352 4022 8355 4022 8349 4021 8349
      4019 8350 4006 8382 4006 8383 4009 8383
      4010 8383 4027 8386 4046 8385
TIME...MOT...LOC 0018Z 252DEG 38KT 4017 8373

$$

HATZOS
436 
WWUS51 KILN 240034
SVSILN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
834 PM EDT MON MAY 23 2011

OHC021-091-240044-
/O.CAN.KILN.TO.W.0047.000000T0000Z-110524T0045Z/
CHAMPAIGN OH-LOGAN OH-
834 PM EDT MON MAY 23 2011

...THE TORNADO WARNING FOR EASTERN LOGAN AND EASTERN CHAMPAIGN
COUNTIES HAS BEEN CANCELLED...

THE CIRCULATION HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE 
TORNADO WARNING HAS BEEN CANCELLED. HOWEVER...GUSTY WINDS ARE STILL 
POSSIBLE WITH THIS STORM.

PLEASE REPORT PREVIOUS TORNADOES...WIND DAMAGE OR HAIL TO THE
NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...877-633-6772.

LAT...LON 4047 8352 4022 8355 4022 8349 4021 8349
      4019 8350 4006 8382 4006 8383 4009 8383
      4010 8383 4027 8386 4046 8385
TIME...MOT...LOC 0034Z 252DEG 38KT 4022 8352

$$

HATZOS

The office that day

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

IssuedProductOfficeCountiesLasted
May 23, 8:02 PM EDTSevere Thunderstorm WarningILNDelaware, Hardin, Logan, Union58 min
May 23, 8:07 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Delaware, Fayette, Franklin, Greene and 3 more53 min
May 23, 8:08 PM EDTSevere Thunderstorm WarningILNAdams, Brown, Clinton, Fayette, Highland, Pike and 2 more67 min
May 23, 8:22 PM EDTAreal Flood AdvisoryILNButler, Clermont, Hamilton, Warren3 hr
May 23, 8:25 PM EDTTornado WarningILNMadison, Union24 min
May 23, 8:43 PM EDTSevere Thunderstorm WarningILNDelaware, Fairfield, Franklin, Hocking, Licking, Pickaway and 1 more62 min
May 23, 8:52 PM EDTAreal Flood AdvisoryILNBrown, Clermont, Clinton, Highland, Pike, Ross3 hr
May 23, 9:03 PM EDTSevere Thunderstorm WarningILNPike, Scioto27 min
May 23, 9:36 PM EDTAreal Flood AdvisoryILNFairfield, Hocking, Licking3 hr

Nearby

Tornado Warnings in Ohio, 2011Every tornado warning in 2011Tornadoes in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.