Alert archive / Ohio / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 2, NWS Wilmington, OH

February 28, 20117 counties in Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Feb 28, 2011, 5:34 AM EST for 7 counties in Ohio. It was in force for 26 min. 9 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
Feb 28, 2011, 5:34 AM EST (10:34 UTC)
Expired
Feb 28, 2011, 6:00 AM EST
In force
26 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Fairfield County, OH, Fayette County, OH, Franklin County, OH, Hocking County, OH, Licking County, OH, Pickaway County, OH, Ross County, OH

The radar

The Cincinnati radar (KILN), 114 km from the middle of the area, began a volume at 10:34 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
Feb 28, 5:46 AM ESTTSTM WND DMG2 N Granville, OH12 POWER POLES SNAPPED OR DOWNED ON STATE ROUTE 661.
Feb 28, 5:47 AM ESTHAIL 0.25Groveport, OH
Feb 28, 5:48 AM ESTTSTM WND DMG4 Ene Granville, OHHOUSE ROOF TORN OFF WITH BUILDING COLLAPSE ON MYRTLE AVENUE ON NORTH SIDE OF NEWARK. TIME ESTIMATED.
Feb 28, 5:53 AM ESTTSTM WND GST 60Kvta Newark-Heath Apt, OH
Feb 28, 5:53 AM ESTTSTM WND GST 66Baltimore, OHTWO LARGE TREES DOWNED ON THE NORTH SIDE OF BALTIMORE.
Feb 28, 5:55 AM ESTTSTM WND GST 61Klck Rickenbacker Apt, OH
Feb 28, 6:00 AM ESTTSTM WND DMG1 Nne Pleasantville, OHHEAVY PATIO FURNITURE THROWN. BRICK AND STONE WALL BROKEN INTO PIECES. TIME ESTIMATED.
Feb 28, 6:00 AM ESTTORNADO 13 Sse Millersport, OHCONFIRMED EF1 TORNADO WITH A 2.4 MILE PATH LENGTH ALONG CANAL ROAD. DAMAGE CONSISTED OF DESTROYED BARNS AND OUTBUILDINGS...A ROOF OFF A MODULAR HOME...NUMEROUS TREES UPROOTED...SEVERAL METAL GRAIN BINS TOSSED AND ROLLED...AND THE COLLAPSE OF A CINDER BLOCK GRA
Feb 28, 6:00 AM ESTTORNADO3 Sse Millersport, OHPOSSIBLE TORNADO DAMAGE REPORTED BY SPOTTER SOUTH OF MILLERSPORT / NORTH OF PLEASANTVILLE. TREES DOWNED AND MULTIPLE BUILDINGS AND SILOS DAMAGED.

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
Feb 28, 1:40 AM ESTTornado WatchSPC6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 10.6 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 00:00Z on 2011-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 00:00Z on 2011-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 325 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
539 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
325 m²/s²
0-3 km storm-relative helicity
380 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.

873 
WUUS51 KILN 281034
SVRILN
OHC045-047-049-073-089-129-141-281100-
/O.NEW.KILN.SV.W.0002.110228T1034Z-110228T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
534 AM EST MON FEB 28 2011

THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FAIRFIELD COUNTY IN CENTRAL OHIO...
  NORTHERN FAYETTE COUNTY IN CENTRAL OHIO...
  SOUTHEASTERN FRANKLIN COUNTY IN CENTRAL OHIO...
  NORTHWESTERN HOCKING COUNTY IN CENTRAL OHIO...
  LICKING COUNTY IN CENTRAL OHIO...
  PICKAWAY COUNTY IN CENTRAL OHIO...
  NORTHEASTERN ROSS COUNTY IN SOUTHWEST OHIO...

* UNTIL 600 AM EST.

* AT 530 AM EST...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
  CAPABLE OF PRODUCING WINDS TO 60 MPH. THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM US ROUTE 62 AT STATE ROUTE 661 TO
  WHITEHALL TO BLOOMINGBURG...MOVING EAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW HOLLAND...
  PATASKALA...
  GRANVILLE SOUTH...
  PICKERINGTON...
  GRANVILLE...
  CANAL WINCHESTER...
  SOUTH BLOOMFIELD...
  ASHVILLE...

IN ADDITION...ST. LOUISVILLE...DUVALL...ETNA...STATE ROUTE 207 AT US
ROUTE 22...CLARKSBURG...LITHOPOLIS...FALLSBURG AND KIRKERSVILLE ARE
NEAR THE PATH OF THESE SEVERE THUNDERSTORMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 AM EST MONDAY MORNING FOR
SOUTHEASTERN INDIANA AND NORTHEASTERN KENTUCKY AND SOUTHWESTERN OHIO.

&&

LAT...LON 3994 8219 3991 8223 3992 8245 3984 8246
      3982 8239 3975 8239 3974 8236 3964 8237
      3938 8273 3954 8357 3970 8332 3969 8326
      3975 8325 4027 8248 4025 8247 4023 8217
TIME...MOT...LOC 1035Z 280DEG 56KT 4021 8240 3993 8282
          3961 8328

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 1:03 AM ESTAreal Flood WarningILNAuglaize, Darke, Hardin, Logan, Mercer, Miami and 1 more57 hr
Feb 28, 2:25 AM ESTTornado WarningILNAuglaize, Hardin, Logan16 min
Feb 28, 3:21 AM ESTTornado WarningILNHardin, Logan, Union24 min
Feb 28, 3:45 AM ESTFlash Flood WarningILNDarke, Hardin, Logan, Miami, Shelby, Union3 hr
Feb 28, 3:54 AM ESTRiver Flood WarningILNMiami, Shelby64 hr
Feb 28, 4:25 AM ESTTornado WarningILNChampaign, Union35 min
Feb 28, 5:11 AM ESTAreal Flood WarningILNChampaign, Clark, Darke, Delaware, Franklin, Greene and 8 more6 hr
Feb 28, 5:29 AM ESTSevere Thunderstorm WarningILNAdams, Brown, Clermont, Clinton, Fayette, Hamilton and 3 more31 min
Feb 28, 5:56 AM ESTSevere Thunderstorm WarningILNAdams, Brown, Clermont, Fayette, Highland, Pike and 2 more49 min
Feb 28, 5:59 AM ESTSevere Thunderstorm WarningILNAdams, Brown46 min
Feb 28, 6:00 AM ESTSevere Thunderstorm WarningILNFairfield, Hocking, Licking, Pickaway, Ross45 min
Feb 28, 6:41 AM ESTAreal Flood AdvisoryILNAdams, Brown, Clermont, Clinton, Hamilton, Highland and 4 more3 hr
Feb 28, 6:51 AM ESTSevere Thunderstorm WarningILNAdams, Pike, Ross, Scioto24 min
Feb 28, 7:13 AM ESTSevere Thunderstorm WarningILNScioto21 min
Feb 28, 7:36 AM ESTRiver Flood WarningILNMiami33 hr
Feb 28, 8:53 AM ESTRiver Flood WarningILNMercer3 days
Feb 28, 9:53 AM ESTAreal Flood AdvisoryILNAdams, Brown, Clermont, Pike, Scioto112 min
Feb 28, 11:05 AM ESTAreal Flood AdvisoryILNChampaign, Darke, Logan, Miami, Shelby, Union3 hr
Feb 28, 11:43 AM ESTAreal Flood AdvisoryILNAdams, Brown, Clermont, Pike, Scioto3 hr
Feb 28, 1:19 PM ESTRiver Flood WarningILNMiami, Montgomery27 hr
Feb 28, 2:25 PM ESTRiver Flood WarningILNPickaway13 days
Feb 28, 2:27 PM ESTRiver Flood WarningILNPike, Scioto67 hr
Feb 28, 2:44 PM ESTRiver Flood WarningILNFranklin, Madison, Pickaway12 hr

Nearby

Severe Thunderstorm Warnings in Ohio, 2011Every severe thunderstorm warning 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.