Alert archive / Ohio / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 137, NWS Wilmington, OH

September 11, 2013Delaware County, Franklin County, Ohio

NWS Wilmington, OH issued this severe thunderstorm warning at Sep 11, 2013, 5:25 PM EDT for Delaware County, Franklin County, Ohio. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 11, 2013, 5:25 PM EDT (21:25 UTC)
Expired
Sep 11, 2013, 6:15 PM EDT
In force
50 min
Issued by
NWS Wilmington, OH
Area
Storm-based polygon

Counties Delaware County, OH, Franklin County, OH

The radar

The Cincinnati radar (KILN), 105 km from the middle of the area, began a volume at 21:25 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.

The nearest sounding before it

Pittsburgh, PA (KAGC), launched 12:00Z, 9.4 hours before the alert went out and 249 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, Pittsburgh, PA at 12:00Z on 2013-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2762 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, Pittsburgh, PA at 12:00Z on 2013-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
2762 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
747 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Wilmington, OH wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 11, 4:31 PM EDT, 54 minutes earlier.

Area forecast discussion, Sep 11, 4:31 PM EDT, 54 minutes before
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Hazardous weather outlook, Sep 11, 4:44 PM EDT, 41 minutes before
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In the hours before

Special weather statement, Sep 11, 2:04 PM EDT, 3 hours 21 minutes before
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Special weather statement, Sep 11, 2:44 PM EDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
244 PM EDT WED SEP 11 2013

OHZ044-111915-
LOGAN OH-
244 PM EDT WED SEP 11 2013

...A STRONG THUNDERSTORM WILL AFFECT LOGAN COUNTY THROUGH 315 PM
EDT...

AT 242 PM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR
MCMORRAN...MOVING EAST AT 15 MPH.

STORM HAZARDS INCLUDE...
WINDS TO 40 MPH...

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...BELLEFONTAINE.

ALSO...HUNTSVILLE...NORTHWOOD...BIG SPRINGS...NEW JERUSALEM...EAST
LIBERTY...PICKRELLTOWN...ZANESFIELD...WEST MANSFIELD...VALLEY HI AND
RUSHSYLVANIA ARE NEAR THE PATH OF THIS STRONG THUNDERSTORM.

LAT...LON 4050 8352 4033 8355 4027 8371 4027 8400
      4041 8399 4052 8360 4051 8355
Special weather statement, Sep 11, 3:10 PM EDT, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
310 PM EDT WED SEP 11 2013

OHZ043-044-051-052-111945-
CHAMPAIGN OH-LOGAN OH-MIAMI OH-SHELBY OH-
310 PM EDT WED SEP 11 2013

...STRONG THUNDERSTORMS WILL AFFECT SOUTHEASTERN
SHELBY...NORTHEASTERN MIAMI...SOUTHERN LOGAN AND NORTHERN CHAMPAIGN
COUNTIES THROUGH 345 PM EDT...

AT 304 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS IN AN AREA FROM
WEST MANSFIELD TO KISER LAKE STATE PARK...MOVING EAST AT 30 MPH.

STORM HAZARDS INCLUDE...
WINDS TO 45 MPH...
PEA SIZE HAIL...

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ST. PARIS AND WEST
LIBERTY.

ALSO...KISER LAKE STATE PARK...MILLERSTOWN...VALLEY HI...
PICKRELLTOWN...EAST LIBERTY...LIPPINCOTT...MIDDLEBURG...KENNARD...
CABLE AND MINGO ARE NEAR THE PATH OF THIS LINE OF STRONG
THUNDERSTORMS.

LAT...LON 4041 8354 4015 8356 4011 8403 4019 8418
      4032 8400 4041 8376

HATZOS
Special weather statement, Sep 11, 3:58 PM EDT, 1 hour 27 minutes before
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Special weather statement, Sep 11, 4:26 PM EDT, 59 minutes before
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Special weather statement, Sep 11, 5:17 PM EDT, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Sep 11, 11:41 AM EDTSpecial Weather StatementILNFranklin49 min
Sep 11, 11:43 AM EDTSpecial Weather StatementILNFranklin47 min
Sep 11, 12:16 PM EDTSpecial Weather StatementILNDelaware29 min
Sep 11, 12:41 PM EDTSpecial Weather StatementILNLicking34 min
Sep 11, 1:05 PM EDTSpecial Weather StatementILNFairfield, Pickaway25 min
Sep 11, 1:30 PM EDTSpecial Weather StatementILNFairfield30 min
Sep 11, 1:42 PM EDTSpecial Weather StatementILNFairfield33 min
Sep 11, 2:04 PM EDTSpecial Weather StatementILNHocking26 min
Sep 11, 2:38 PM EDTAreal Flood AdvisoryILNHocking3 hr
Sep 11, 2:44 PM EDTSpecial Weather StatementILNLogan31 min
Sep 11, 3:10 PM EDTSpecial Weather StatementILNChampaign, Logan35 min
Sep 11, 3:21 PM EDTSevere Thunderstorm WarningILNChampaign, Logan, Union39 min
Sep 11, 3:58 PM EDTSpecial Weather StatementILNChampaign, Union32 min
Sep 11, 4:26 PM EDTSpecial Weather StatementILNDelaware34 min
Sep 11, 5:17 PM EDTSpecial Weather StatementILNFranklin43 min
Sep 11, 5:44 PM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Licking46 min
Sep 11, 5:56 PM EDTSevere Thunderstorm WarningILNFairfield, Franklin, Pickaway34 min

Nearby

Severe Thunderstorm Warnings in Ohio, 2013Every severe thunderstorm warning in 2013

Sources

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