Alert archive / Ohio / Special Weather Statements in 2012

Special Weather Statement, NWS Wilmington, OH

July 4, 20127 counties in Ohio

NWS Wilmington, OH issued this special weather statement at Jul 4, 2012, 10:51 PM EDT for 7 counties in Ohio. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 4, 2012, 10:51 PM EDT (02:51 UTC)
Expired
Jul 4, 2012, 11:30 PM EDT
In force
39 min
Issued by
NWS Wilmington, OH

Counties Clark County, OH, Fairfield County, OH, Fayette County, OH, Greene County, OH, Hocking County, OH, Madison County, OH, Pickaway County, OH

The radar

The Cincinnati radar (KILN), 102 km from the middle of the area, began a volume at 02:51 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 2.9 hours before the alert went out and 100 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 2012-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2070 joules per kilogram.LCLEL10008507005003002001001 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 2012-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
2070 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
1974 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.7

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Jul 4, 10:47 PM EDT, 4 minutes earlier.

Area forecast discussion, Jul 4, 10:47 PM EDT, 4 minutes before
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Hazardous weather outlook, Jul 4, 10:39 PM EDT, 12 minutes before
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In the hours before

Special weather statement, Jul 4, 8:53 PM EDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
853 PM EDT WED JUL 4 2012

OHZ026-035-043>046-056-050130-
AUGLAIZE OH-DELAWARE OH-HARDIN OH-LICKING OH-LOGAN OH-SHELBY OH-
UNION OH-
853 PM EDT WED JUL 4 2012

...A AREA OF STRONG THUNDERSTORMS WILL AFFECT NORTHERN
UNION...NORTHEASTERN SHELBY...LOGAN...NORTHWESTERN
LICKING...HARDIN...DELAWARE AND EASTERN AUGLAIZE COUNTIES THROUGH
930 PM EDT...

AT 850 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS CLUSTERED FROM
12 MILES NORTHEAST OF ASHLEY TO BLANCHARD TO 8 MILES NORTH OF
CRIDERSVILLE...MOVING SOUTHEAST AT 25 MPH.

WIND GUSTS TO 40 MPH AND PENNY SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...ALGER...CRIDERSVILLE...
KENTON...WAPAKONETA...WAYNESFIELD...ASHLEY...BOTKINS...BELLE
CENTER...RICHWOOD...LAKEVIEW...RUSSELLS POINT AND JACKSON CENTER.

ALSO...MCGUFFEY...HEPBURN...PFEIFFER...WALTON...MENTZER...
UNIOPOLIS...JUMBO AND SILVER CREEK ARE NEAR THE PATH OF THIS LINE OF
STRONG THUNDERSTORMS.

LAT...LON 4076 8349 4071 8349 4068 8341 4051 8341
      4051 8325 4045 8324 4044 8302 4042 8293
      4036 8292 4035 8275 4028 8275 4027 8259
      4018 8255 4031 8414 4069 8426 4065 8410
      4065 8389 4082 8388

ASL
Local storm report, Jul 4, 8:55 PM EDT, 1 hour 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WILMINGTON OH
855 PM EDT WED JUL 04 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0811 PM     HAIL             MILFORD                 39.17N 84.28W
07/04/2012  E0.88 INCH       CLERMONT           OH   PUBLIC

&&

ASL
Special weather statement, Jul 4, 9:26 PM EDT, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
926 PM EDT WED JUL 4 2012

OHZ026-044>046-050215-
DELAWARE OH-HARDIN OH-LOGAN OH-UNION OH-
926 PM EDT WED JUL 4 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT UNION...EASTERN
LOGAN...HARDIN AND DELAWARE COUNTIES THROUGH 1015 PM EDT...

AT 921 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM ADA TO HEPBURN TO ASHLEY...MOVING SOUTH AT 20 MPH.

WIND GUSTS TO 40 MPH AND NICKEL SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...KENTON...ADA...
RICHWOOD...ALGER...DELAWARE...WEST MANSFIELD...BELLE CENTER...POWELL
AND MARYSVILLE.

ALSO...ESSEX...HUNTERSVILLE...MENTZER...LEONARDSBURG...MOUNT
VICTORY...MCGUFFEY...DELAWARE STATE PARK AND RADNOR ARE NEAR THE PATH
OF THIS LINE OF STRONG THUNDERSTORMS.

LAT...LON 4063 8341 4051 8341 4051 8325 4045 8324
      4042 8293 4037 8292 4036 8288 4014 8289
      4020 8348 4022 8349 4050 8388 4082 8388
      4082 8369

ASL
Local storm report, Jul 4, 10:18 PM EDT, 33 minutes before
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Special weather statement, Jul 4, 10:31 PM EDT, 20 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
1031 PM EDT WED JUL 4 2012

OHZ026-035-043>046-052>056-065-050315-
AUGLAIZE OH-CHAMPAIGN OH-CLARK OH-DELAWARE OH-FAIRFIELD OH-
FRANKLIN OH-HARDIN OH-LICKING OH-LOGAN OH-MADISON OH-SHELBY OH-
UNION OH-
1031 PM EDT WED JUL 4 2012

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT UNION...NORTHEASTERN
SHELBY...NORTHERN MADISON...LOGAN...LICKING...SOUTHWESTERN HARDIN...
NORTHERN FRANKLIN...NORTHERN FAIRFIELD...DELAWARE...NORTHEASTERN
CLARK...CHAMPAIGN AND EASTERN AUGLAIZE COUNTIES THROUGH 1115 PM
EDT...

AT 1026 PM EDT...RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE
EXTENDING FROM STATE ROUTE 195 AT STATE ROUTE 235 TO EAST LIBERTY TO
8 MILES EAST OF FALLSBURG...MOVING SOUTH AT 20 MPH.

WIND GUSTS TO 50 MPH AND ONE HALF INCH DIAMETER HAIL ARE POSSIBLE
WITH THESE STORMS. SOME OF THESE GUSTS MAY OCCUR WELL AHEAD OF ANY
RAIN.

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...SUNBURY...
WAYNESFIELD...MARYSVILLE...JOHNSTOWN...NORTH LEWISBURG...
BELLEFONTAINE...POWELL...RUSSELLS POINT...HANOVER...LAKEVIEW...
WESTERVILLE AND NEWARK.

ALSO...NORTHWOOD...ROUNDHEAD...EAST LIBERTY...STRATFORD...
OSTRANDER...NEW JERUSALEM...BELLEPOINT AND GALENA ARE NEAR THE PATH
OF THIS LINE OF STRONG THUNDERSTORMS.

LAT...LON 3995 8219 3994 8223 3991 8224 3993 8246
      3987 8247 3998 8369 4035 8411 4065 8399
      4065 8389 4073 8387 4041 8351 4034 8274
      4028 8274 4024 8219

ASL
Special weather statement, Jul 4, 10:51 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 8:07 PM EDTSpecial Weather StatementILNClermont38 min
Jul 4, 8:23 PM EDTSevere Thunderstorm WarningILNClermont23 min
Jul 4, 8:31 PM EDTSpecial Weather StatementILNHardin44 min
Jul 4, 8:53 PM EDTSpecial Weather StatementILNDelaware, Hardin, Logan, Union37 min
Jul 4, 9:26 PM EDTSpecial Weather StatementILNDelaware, Hardin, Union49 min
Jul 4, 9:40 PM EDTSevere Thunderstorm WarningILNDelaware, Hardin, Logan, Union35 min
Jul 4, 9:55 PM EDTSevere Thunderstorm WarningILNChampaign, Logan35 min
Jul 4, 10:13 PM EDTSevere Thunderstorm WarningILNLogan17 min
Jul 4, 10:22 PM EDTAreal Flood AdvisoryILNHardin3 hr
Jul 4, 10:31 PM EDTSpecial Weather StatementILNChampaign, Delaware, Franklin, Licking, Logan, Union44 min
Jul 4, 10:35 PM EDTSevere Thunderstorm WarningILNChampaign, Logan25 min
Jul 4, 10:55 PM EDTAreal Flood AdvisoryILNHardin, Logan, Union2 hr
Jul 4, 11:26 PM EDTSpecial Weather StatementILNChampaign, Fairfield, Franklin, Madison49 min
Jul 4, 11:57 PM EDTSpecial Weather StatementILNFairfield, Hocking48 min
Jul 5, 12:26 AM EDTSpecial Weather StatementILNHocking34 min
Jul 5, 1:55 AM EDTSpecial Weather StatementILNFranklin35 min
Jul 5, 2:17 AM EDTSevere Thunderstorm WarningILNDelaware, Franklin, Licking43 min
Jul 5, 2:59 AM EDTSpecial Weather StatementILNFairfield31 min
Jul 5, 3:37 AM EDTSpecial Weather StatementILNLicking38 min
Jul 5, 12:39 PM EDTSpecial Weather StatementILNAdams36 min
Jul 5, 1:00 PM EDTSpecial Weather StatementILNHamilton30 min
Jul 5, 2:10 PM EDTSpecial Weather StatementILNClermont35 min
Jul 5, 3:35 PM EDTSpecial Weather StatementILNBrown25 min
Jul 5, 4:49 PM EDTSpecial Weather StatementILNPike26 min
Jul 5, 5:09 PM EDTSpecial Weather StatementILNScioto36 min
Jul 5, 5:15 PM EDTSevere Thunderstorm WarningILNScioto30 min
Jul 5, 5:18 PM EDTSpecial Weather StatementILNPike27 min
Jul 5, 5:46 PM EDTSpecial Weather StatementILNPike, Scioto44 min
Jul 5, 6:24 PM EDTSpecial Weather StatementILNAuglaize, Hardin51 min
Jul 5, 6:37 PM EDTSpecial Weather StatementILNPike, Scioto38 min
Jul 5, 6:43 PM EDTSpecial Weather StatementILNMercer32 min
Jul 5, 6:55 PM EDTSevere Thunderstorm WarningILNMercer35 min
Jul 5, 7:15 PM EDTSpecial Weather StatementILNDelaware, Logan, Shelby, Union30 min
Jul 5, 7:41 PM EDTSpecial Weather StatementILNAuglaize, Champaign, Darke, Delaware, Logan, Mercer and 3 more49 min
Jul 5, 1:29 PM EDTSpecial Weather StatementILNLewis, Mason46 min
Jul 5, 4:55 PM EDTSpecial Weather StatementILNGrant35 min
Jul 5, 5:55 PM EDTSpecial Weather StatementILNOwen35 min
Jul 5, 6:46 PM EDTSpecial Weather StatementILNCampbell44 min

Nearby

Special Weather Statements in Ohio, 2012Every special weather statement in 2012

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.