Alert archive / Indiana / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 102, NWS Northern Indiana

August 29, 2022Cass County, White County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Aug 29, 2022, 8:11 PM EDT for Cass County, White County, Indiana. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 29, 2022, 8:11 PM EDT (00:11 UTC)
Expired: Aug 29, 2022, 9:00 PM EDT
In force: 49 min
Issued by: NWS Northern Indiana
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Cass County, IN, White County, IN

The radar

The Northern Indiana radar (KIWX), 101 km from the middle of the area, began a volume at 00:12 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 00:00Z, 0.2 hours before the alert went out and 182 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: 2551 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 899 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 29, 7:17 PM EDT, 54 minutes earlier.

Area forecast discussion, Aug 29, 7:17 PM EDT, 54 minutes before

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Hazardous weather outlook, Aug 29, 7:28 PM EDT, 43 minutes before

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In the hours before

Local storm report, Aug 29, 6:55 PM EDT, 1 hour 16 minutes before

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Local storm report, Aug 29, 6:59 PM EDT, 1 hour 12 minutes before

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Local storm report, Aug 29, 7:00 PM EDT, 1 hour 11 minutes before

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Local storm report, Aug 29, 7:17 PM EDT, 54 minutes before

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Special weather statement, Aug 29, 7:20 PM EDT, 51 minutes before

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Local storm report, Aug 29, 7:42 PM EDT, 29 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 29, 8:04 PM EDT	Special Weather Statement	IWX	Cass, White	41 min
Aug 29, 9:27 PM EDT	Special Weather Statement	IWX	Starke	33 min
Aug 30, 1:10 AM EDT	Areal Flood Advisory	IWX	Kosciusko, Marshall	3 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2022 Every severe thunderstorm warning in 2022

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.