Alert archive / Indiana / Special Weather Statements in 2017

Special Weather Statement, NWS Northern Indiana

April 10, 2017Grant County, Indiana

NWS Northern Indiana issued this special weather statement at Apr 10, 2017, 4:07 PM EDT for Grant County, Indiana. It was in force for 23 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: Apr 10, 2017, 4:07 PM EDT (20:07 UTC)
Expired: Apr 10, 2017, 4:30 PM EDT
In force: 23 min
Issued by: NWS Northern Indiana

County Grant County, IN

The radar

The Northern Indiana radar (KIWX), 93 km from the middle of the area, began a volume at 20:11 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 205 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2271 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 372 m²/s²
0-3 km storm-relative helicity: 423 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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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 Apr 10, 3:56 PM EDT, 11 minutes earlier.

Area forecast discussion, Apr 10, 3:56 PM EDT, 11 minutes before

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Hazardous weather outlook, Apr 10, 2:55 PM EDT, 1 hour 12 minutes before

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In the hours before

Local storm report, Apr 10, 10:26 AM EDT, 5 hours 41 minutes before

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Special weather statement, Apr 10, 10:27 AM EDT, 5 hours 40 minutes before

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Special weather statement, Apr 10, 10:40 AM EDT, 5 hours 27 minutes before

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Special weather statement, Apr 10, 11:36 AM EDT, 4 hours 31 minutes before

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Local storm report, Apr 10, 11:40 AM EDT, 4 hours 27 minutes before

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Special weather statement, Apr 10, 4:07 PM 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
Apr 10, 8:34 AM EDT	Special Weather Statement	IWX	LaPorte	26 min
Apr 10, 8:53 AM EDT	Special Weather Statement	IWX	Saint Joseph	37 min
Apr 10, 9:40 AM EDT	Special Weather Statement	IWX	Cass	35 min
Apr 10, 9:58 AM EDT	Special Weather Statement	IWX	Miami	32 min
Apr 10, 10:27 AM EDT	Special Weather Statement	IWX	Whitley	33 min
Apr 10, 10:40 AM EDT	Special Weather Statement	IWX	Allen	35 min
Apr 10, 4:30 PM EDT	Special Weather Statement	IWX	Grant	30 min
Apr 10, 4:58 PM EDT	Special Weather Statement	IWX	Wells	32 min
Apr 10, 5:32 PM EDT	Special Weather Statement	IWX	Adams	28 min
Apr 10, 11:36 AM EDT	Special Weather Statement	IWX	Fulton	24 min
Apr 10, 6:00 PM EDT	Special Weather Statement	IWX	Van Wert	30 min
Apr 10, 6:30 PM EDT	Special Weather Statement	IWX	Henry, Putnam	30 min
Apr 10, 9:07 AM EDT	Special Weather Statement	IWX	Cass	23 min

Nearby

Special Weather Statements in Indiana, 2017 Every special weather statement in 2017

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.