Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Northern Indiana

August 16, 20125 counties in Indiana

NWS Northern Indiana issued this special weather statement at Aug 16, 2012, 11:49 AM EDT for 5 counties in Indiana. It was in force for 26 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, 11:49 AM EDT (15:49 UTC)
Expired: Aug 16, 2012, 12:15 PM EDT
In force: 26 min
Issued by: NWS Northern Indiana

Counties Cass County, IN, Grant County, IN, Huntington County, IN, Miami County, IN, Wabash County, IN

The radar

The Northern Indiana radar (KIWX), 88 km from the middle of the area, began a volume at 15:49 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

Lincoln, IL (KILX), launched 12:00Z, 3.8 hours before the alert went out and 225 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: 817 J/kg
Mixed-layer CIN: -262 J/kg
Mixed-layer LCL: 1559 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 69 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

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 Northern Indiana wrote its last area forecast discussion before this special weather statement went out at Aug 16, 6:33 AM EDT, 5 hours 16 minutes earlier.

Area forecast discussion, Aug 16, 6:33 AM EDT, 5 hours 16 minutes before

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Hazardous weather outlook, Aug 16, 5:04 AM EDT, 6 hours 45 minutes before

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In the hours before

Special weather statement, Aug 16, 9:45 AM EDT, 2 hours 4 minutes before

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Local storm report, Aug 16, 10:48 AM EDT, 1 hour 1 minute before

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Special weather statement, Aug 16, 10:59 AM EDT, 50 minutes before

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Special weather statement, Aug 16, 11:49 AM EDT, 0 minutes before

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The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 16, 4:50 AM EDT	Rip Current Statement	IWX		41 hr
Aug 16, 4:57 AM EDT	Small Craft Advisory	IWX		39 hr
Aug 16, 9:45 AM EDT	Special Weather Statement	IWX	Elkhart, LaPorte, Marshall, Pulaski, Saint Joseph, Starke	60 min
Aug 16, 10:59 AM EDT	Special Weather Statement	IWX	Pulaski	31 min

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; radar from the NEXRAD Level II archive.