Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Indianapolis, IN

August 16, 2012Jackson County, Indiana

NWS Indianapolis, IN issued this special weather statement at Aug 16, 2012, 7:47 PM EDT for Jackson County, Indiana. It was in force for 43 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 16, 2012, 7:47 PM EDT (23:47 UTC)
Expired: Aug 16, 2012, 8:30 PM EDT
In force: 43 min
Issued by: NWS Indianapolis, IN

County Jackson County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.8 hours before the alert went out and 191 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: 5 J/kg
Mixed-layer CIN: -144 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 16, 7:00 PM EDT, 47 minutes earlier.

Area forecast discussion, Aug 16, 7:00 PM EDT, 47 minutes before

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Hazardous weather outlook, Aug 16, 7:26 PM EDT, 21 minutes before

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In the hours before

Local storm report, Aug 16, 6:51 PM EDT, 56 minutes before

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Local storm report, Aug 16, 6:57 PM EDT, 50 minutes before

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Local storm report, Aug 16, 7:00 PM EDT, 47 minutes before

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Local storm report, Aug 16, 7:02 PM EDT, 45 minutes before

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Local storm report, Aug 16, 7:42 PM EDT, 5 minutes before

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Special weather statement, Aug 16, 7:47 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 16, 11:00 AM EDT	Special Weather Statement	IND	Carroll, Clinton, Tippecanoe, Warren	45 min
Aug 16, 11:49 AM EDT	Special Weather Statement	IND	Boone, Carroll, Clinton, Fountain, Hamilton, Howard and 4 more	56 min
Aug 16, 3:43 PM EDT	Special Weather Statement	IND	Fountain, Parke, Vermillion	62 min
Aug 16, 4:05 PM EDT	Severe Thunderstorm Warning	IND	Parke, Vermillion	27 min
Aug 16, 4:44 PM EDT	Severe Thunderstorm Warning	IND	Vermillion, Vigo	46 min
Aug 16, 4:47 PM EDT	Areal Flood Advisory	IND	Fountain, Montgomery, Parke, Putnam, Vermillion, Warren	3 hr
Aug 16, 5:29 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Owen, Sullivan, Vigo	46 min
Aug 16, 5:34 PM EDT	Areal Flood Warning	IND	Parke, Vermillion, Vigo	3 hr
Aug 16, 5:42 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Sullivan	48 min
Aug 16, 6:09 PM EDT	Severe Thunderstorm Warning	IND	Clay, Daviess, Greene, Lawrence, Martin, Monroe and 1 more	51 min
Aug 16, 6:15 PM EDT	Areal Flood Warning	IND	Clay, Greene, Owen, Sullivan	3 hr
Aug 16, 6:27 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox, Lawrence, Martin	48 min
Aug 16, 6:58 PM EDT	Severe Thunderstorm Warning	IND	Brown, Jackson, Lawrence, Martin, Monroe	47 min
Aug 16, 7:13 PM EDT	Areal Flood Advisory	IND	Brown, Jackson, Lawrence, Monroe	4 hr

Nearby

Special Weather Statements in Indiana, 2012 Every 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.