Alert archive / Ohio / Special Weather Statements in 2013

Special Weather Statement, NWS Wilmington, OH

July 20, 2013Warren County, Ohio

NWS Wilmington, OH issued this special weather statement at Jul 20, 2013, 4:03 PM EDT for Warren County, Ohio. It was in force for 27 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 20, 2013, 4:03 PM EDT (20:03 UTC)
Expired
Jul 20, 2013, 4:30 PM EDT
In force
27 min
Issued by
NWS Wilmington, OH

County Warren County, OH

The radar

The Cincinnati radar (KILN), 35 km from the middle of the area, began a volume at 20:04 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 12:00Z, 8.1 hours before the alert went out and 36 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 2013-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1768 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 12:00Z on 2013-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 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
1768 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
683 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

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 20, 1:57 PM EDT, 2 hours 6 minutes earlier.

Area forecast discussion, Jul 20, 1:57 PM EDT, 2 hours 6 minutes before
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Hazardous weather outlook, Jul 20, 11:27 AM EDT, 4 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
1127 AM EDT SAT JUL 20 2013

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ042>046-051>056-060>065-
070>074-077>082-088-210900-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-DARKE-SHELBY-LOGAN-UNION OH-
DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING-PREBLE-
MONTGOMERY-GREENE-FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-
CLINTON-ROSS-HOCKING-HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-
SCIOTO-
1127 AM EDT SAT JUL 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL
INDIANA...SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN
KENTUCKY...CENTRAL OHIO...MIAMI VALLEY OF OHIO...SOUTH CENTRAL OHIO
AND SOUTHWEST OHIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

A COLD FRONT WILL MOVE SOUTH THROUGH THE REGION TODAY. SHOWERS
AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG AND AHEAD OF THIS
FRONT. SEVERE THUNDERSTORMS WILL BE POSSIBLE...WITH DAMAGING WINDS
BEING THE PRIMARY THREAT. LARGE HAIL AND HEAVY RAINFALL MAY ALSO
OCCUR.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED THIS AFTERNOON AND EARLY
EVENING.

OHZ026-034-035-210900-
HARDIN-MERCER-AUGLAIZE-
1127 AM EDT SAT JUL 20 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL OHIO.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SHOWERS AND THUNDERSTORMS WILL MOVE SOUTH OF THE AREA THIS
AFTERNOON. SEVERE WEATHER IS NOT EXPECTED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 20, 2:58 PM EDT, 1 hour 5 minutes before
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Special weather statement, Jul 20, 3:33 PM EDT, 30 minutes before
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Special weather statement, Jul 20, 3:37 PM EDT, 26 minutes before
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Local storm report, Jul 20, 3:44 PM EDT, 19 minutes before
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Special weather statement, Jul 20, 3:48 PM EDT, 15 minutes before
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Special weather statement, Jul 20, 4:03 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
403 PM EDT SAT JUL 20 2013

OHZ061-062-070-071-202030-
BUTLER OH-GREENE OH-MONTGOMERY OH-WARREN OH-
403 PM EDT SAT JUL 20 2013

...A STRONG THUNDERSTORM WILL AFFECT NORTHERN WARREN...SOUTHERN
MONTGOMERY...SOUTHWESTERN GREENE AND NORTHEASTERN BUTLER COUNTIES
THROUGH 430 PM EDT...

AT 400 PM EDT...RADAR INDICATED A STRONG THUNDERSTORM NEAR POAST TOWN
HEIGHTS...MOVING EAST AT 30 MPH.

STORM HAZARDS INCLUDE...
WINDS TO 45 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...
VERY HEAVY RAIN...

SOME LOCATIONS THAT MAY BE AFFECTED INCLUDE...FRANKLIN...
MIAMISBURG...SPRINGBORO AND WAYNESVILLE.

ALSO...PEKIN...CENTERVILLE...GENNTOWN...LYTLE...BELLBROOK...CAESAR
CREEK STATE PARK...OREGONIA...MOUNT HOLLY...ROXANNA AND SPRING VALLEY
ARE NEAR THE PATH OF THIS STRONG THUNDERSTORM.

DO NOT STAY IN THE OPEN NOR SEEK SHELTER UNDER TREES WHEN LIGHTNING
THREATENS. MOVE INDOORS WHEN A THUNDERSTORM APPROACHES. WATER WILL
POND ON ROADS AND MAY QUICKLY FILL ROADSIDE DITCHES AND SMALL
STREAMS.

RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT. IF THIS STORM BECOMES
STRONGER...THEN A WARNING MAY BE NEEDED.

LAT...LON 3963 8400 3939 8401 3949 8447 3967 8444

AR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 20, 8:27 AM EDTAreal Flood AdvisoryILNHardin3 hr
Jul 20, 9:34 AM EDTSpecial Weather StatementILNLogan41 min
Jul 20, 10:12 AM EDTSevere Thunderstorm WarningILNDelaware, Logan, Union48 min
Jul 20, 10:39 AM EDTSpecial Weather StatementILNDarke51 min
Jul 20, 10:55 AM EDTSpecial Weather StatementILNDelaware50 min
Jul 20, 11:00 AM EDTSevere Thunderstorm WarningILNDarke, Miami, Shelby45 min
Jul 20, 11:35 AM EDTSevere Thunderstorm WarningILNChampaign, Clark, Miami, Montgomery, Shelby55 min
Jul 20, 12:00 PM EDTAreal Flood AdvisoryILNChampaign, Clark, Logan, Miami, Shelby2 hr
Jul 20, 12:20 PM EDTSpecial Weather StatementILNMadison25 min
Jul 20, 12:21 PM EDTSevere Thunderstorm WarningILNChampaign, Clark, Franklin, Madison, Pickaway39 min
Jul 20, 12:44 PM EDTSpecial Weather StatementILNFranklin31 min
Jul 20, 1:45 PM EDTAreal Flood AdvisoryILNFairfield, Hocking3 hr
Jul 20, 2:47 PM EDTSpecial Weather StatementILNGreene28 min
Jul 20, 2:54 PM EDTSpecial Weather StatementILNPreble36 min
Jul 20, 3:26 PM EDTAreal Flood AdvisoryILNMontgomery, Preble2 hr
Jul 20, 3:33 PM EDTSpecial Weather StatementILNMontgomery27 min
Jul 20, 3:45 PM EDTAreal Flood AdvisoryILNClinton, Greene, Warren2 hr
Jul 20, 3:48 PM EDTSpecial Weather StatementILNHighland42 min
Jul 20, 3:53 PM EDTSevere Thunderstorm WarningILNClinton, Fayette, Highland, Pike, Ross52 min
Jul 20, 3:57 PM EDTSevere Thunderstorm WarningILNHamilton48 min
Jul 20, 4:10 PM EDTAreal Flood AdvisoryILNClinton, Fayette, Highland, Pike, Ross2 hr
Jul 20, 4:17 PM EDTSevere Thunderstorm WarningILNClermont, Hamilton43 min
Jul 20, 4:28 PM EDTSpecial Weather StatementILNWarren32 min
Jul 20, 4:41 PM EDTSpecial Weather StatementILNClermont34 min
Jul 20, 4:57 PM EDTFlash Flood WarningILNClinton, Fayette, Highland3 hr
Jul 20, 5:24 PM EDTSpecial Weather StatementILNHighland36 min
Jul 20, 5:57 PM EDTSpecial Weather StatementILNScioto33 min
Jul 20, 7:31 PM EDTAreal Flood WarningILNHighland3 hr
Jul 20, 3:37 PM EDTSpecial Weather StatementILNBoone, Gallatin23 min

Nearby

Special Weather Statements in Ohio, 2013Every special weather statement 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.