Alert archive / Indiana / Special Weather Statements in 2011

Special Weather Statement, NWS Indianapolis, IN

August 13, 2011Jackson County, Lawrence County, Indiana

NWS Indianapolis, IN issued this special weather statement at Aug 13, 2011, 11:48 PM EDT for Jackson County, Lawrence County, Indiana. It was in force for 42 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 13, 2011, 11:48 PM EDT (03:48 UTC)
Expired: Aug 14, 2011, 12:30 AM EDT
In force: 42 min
Issued by: NWS Indianapolis, IN

Counties Jackson County, IN, Lawrence County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 03:49 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, 3.8 hours before the alert went out and 224 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: 1063 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1455 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 67 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 4.5

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 Indianapolis, IN wrote its last area forecast discussion before this special weather statement went out at Aug 13, 11:32 PM EDT, 16 minutes earlier.

Area forecast discussion, Aug 13, 11:32 PM EDT, 16 minutes before

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Hazardous weather outlook, Aug 13, 4:45 PM EDT, 7 hours 3 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
445 PM EDT SAT AUG 13 2011

INZ021-028>031-035>049-051>057-060>065-067>072-142045-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
445 PM EDT SAT AUG 13 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED TO MOVE SOUTHEAST ACROSS
CENTRAL INDIANA THROUGH THIS EVENING. THUNDERSTORMS MAY BE SEVERE
WITH DAMAGING WINDS AND LARGE HAIL AS THE MAIN THREATS. THE STORMS
WILL ALSO PRODUCE DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL. AN
ISOLATED TORNADO IS ALSO POSSIBLE. THUNDERSTORMS WILL BE MOST
NUMEROUS ACROSS CENTRAL INDIANA BETWEEN 6 PM AND MIDNIGHT.

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

A FEW THUNDERSTORMS ARE POSSIBLE SUNDAY AND AGAIN WEDNESDAY AND
THURSDAY. SEVERE WEATHER IS NOT ANTICIPATED AT THIS TIME. HOWEVER
THUNDERSTORMS MAY PRODUCE GUSTY WINDS...SMALL HAIL...DANGEROUS LIGHTNING
AND BRIEF HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO CALL IN WITH REPORTS THROUGH THIS
EVENING AND TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

RYAN/SMF

In the hours before

Local storm report, Aug 13, 11:35 PM EDT, 13 minutes before

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Local storm report, Aug 13, 11:38 PM EDT, 10 minutes before

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Local storm report, Aug 13, 11:41 PM EDT, 7 minutes before

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Local storm report, Aug 13, 11:45 PM EDT, 3 minutes before

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Local storm report, Aug 13, 11:48 PM EDT, 0 minutes before

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Special weather statement, Aug 13, 11:48 PM EDT, 0 minutes before

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The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 13, 8:21 PM EDT	Special Weather Statement	IND	Boone, Hendricks, Putnam	39 min
Aug 13, 8:39 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hamilton, Hendricks, Marion, Morgan, Putnam	66 min
Aug 13, 9:04 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Henry, Madison	56 min
Aug 13, 10:31 PM EDT	Special Weather Statement	IND	Monroe	44 min
Aug 13, 10:38 PM EDT	Severe Thunderstorm Warning	IND	Brown, Monroe, Owen	52 min
Aug 13, 10:45 PM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe	30 min
Aug 13, 11:12 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Lawrence, Monroe	33 min
Aug 14, 12:26 AM EDT	Special Weather Statement	IND	Jennings	49 min

Nearby

Special Weather Statements in Indiana, 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.