Alert archive / Ohio / Special Weather Statements in 2011

Special Weather Statement, NWS Wilmington, OH

August 8, 2011Ross County, Ohio

NWS Wilmington, OH issued this special weather statement at Aug 8, 2011, 10:00 PM EDT for Ross County, Ohio. It was in force for 30 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: Aug 8, 2011, 10:00 PM EDT (02:00 UTC)
Expired: Aug 8, 2011, 10:30 PM EDT
In force: 30 min
Issued by: NWS Wilmington, OH

County Ross County, OH

The radar

The Cincinnati radar (KILN), 60 km from the middle of the area, began a volume at 02:02 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, 2.0 hours before the alert went out and 58 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 861 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1256 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.8

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 Aug 8, 9:34 PM EDT, 26 minutes earlier.

Area forecast discussion, Aug 8, 9:34 PM EDT, 26 minutes before

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Hazardous weather outlook, Aug 8, 4:57 AM EDT, 17 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE WILMINGTON OH
457 AM EDT MON AUG 8 2011

INZ050-058-059-066-073>075-080-KYZ089>100-OHZ026-034-035-042>046-
051>056-060>065-070>074-077>082-088-090900-
WAYNE-FAYETTE IN-UNION IN-FRANKLIN IN-RIPLEY-DEARBORN-OHIO-
SWITZERLAND-CARROLL-GALLATIN-BOONE-KENTON-CAMPBELL-OWEN-GRANT-
PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS-HARDIN-MERCER-AUGLAIZE-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-
457 AM EDT MON AUG 8 2011

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

.DAY ONE...TODAY AND TONIGHT.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE LATE THIS AFTERNOON INTO
TONIGHT. A FEW OF THE STORMS MAY BECOME SEVERE WITH DAMAGING WIND
BEING THE PRIMARY THREAT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

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, Aug 8, 9:05 PM EDT, 55 minutes before

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Special weather statement, Aug 8, 9:20 PM EDT, 40 minutes before

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Special weather statement, Aug 8, 9:30 PM EDT, 30 minutes before

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Local storm report, Aug 8, 9:33 PM EDT, 27 minutes before

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Local storm report, Aug 8, 9:39 PM EDT, 21 minutes before

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Special weather statement, Aug 8, 10:00 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 8, 8:12 PM EDT	Special Weather Statement	ILN	Hamilton	33 min
Aug 8, 8:45 PM EDT	Special Weather Statement	ILN	Clinton, Warren	30 min
Aug 8, 8:48 PM EDT	Special Weather Statement	ILN	Clermont	42 min
Aug 8, 9:20 PM EDT	Special Weather Statement	ILN	Fayette	40 min
Aug 8, 9:30 PM EDT	Special Weather Statement	ILN	Highland	30 min
Aug 8, 10:58 PM EDT	Special Weather Statement	ILN	Ross	62 min
Aug 8, 11:38 PM EDT	Areal Flood Advisory	ILN	Champaign, Logan, Miami, Shelby	112 min
Aug 8, 11:43 PM EDT	Areal Flood Advisory	ILN	Auglaize, Hardin, Mercer, Shelby	2 hr
Aug 9, 12:06 AM EDT	Areal Flood Advisory	ILN	Union	114 min
Aug 9, 12:17 AM EDT	Flash Flood Warning	ILN	Auglaize, Hardin, Logan, Shelby	102 min
Aug 9, 6:42 PM EDT	Special Weather Statement	ILN	Allen	63 min
Aug 9, 6:52 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Mercer	38 min
Aug 9, 7:19 PM EDT	Severe Thunderstorm Warning	ILN	Auglaize, Hardin, Logan, Shelby	41 min
Aug 9, 7:28 PM EDT	Special Weather Statement	ILN	Mercer	32 min
Aug 9, 7:45 PM EDT	Special Weather Statement	ILN	Shelby	30 min
Aug 9, 7:52 PM EDT	Severe Thunderstorm Warning	ILN	Hardin, Logan, Union	38 min
Aug 9, 7:58 PM EDT	Special Weather Statement	ILN	Auglaize, Shelby	32 min

Nearby

Special Weather Statements in Ohio, 2011 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.