Alert archive / Indiana / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 194, NWS Indianapolis, IN

May 31, 20064 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 31, 2006, 7:31 PM EDT for 4 counties in Indiana. It was in force for 44 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: May 31, 2006, 7:31 PM EDT (23:31 UTC)
Expired: May 31, 2006, 8:15 PM EDT
In force: 44 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Clay County, IN, Morgan County, IN, Owen County, IN, Putnam County, IN

The radar

The Indianapolis radar (KIND), 53 km from the middle of the area, began a volume at 23:32 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, 11.5 hours before the alert went out and 171 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: 805 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 795 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 31, 1:30 PM EDT, 6 hours 1 minute earlier.

Area forecast discussion, May 31, 1:30 PM EDT, 6 hours 1 minute before

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Hazardous weather outlook, May 31, 5:23 AM EDT, 14 hours 8 minutes before

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In the hours before

Local storm report, May 31, 5:00 PM EDT, 2 hours 31 minutes before

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Nearby

Severe Thunderstorm Warnings in Indiana, 2006 Every severe thunderstorm warning in 2006

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.