Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 13, NWS Chicago, IL

June 7, 1993Porter County, Indiana

NWS Chicago, IL issued this severe thunderstorm warning at Jun 7, 1993, 2:21 PM CDT for Porter County, Indiana. It was in force for 39 min.

The area

The counties it named.

The facts

Issued: Jun 7, 1993, 2:21 PM CDT (19:21 UTC)
Expired: Jun 7, 1993, 3:00 PM CDT
In force: 39 min
Issued by: NWS Chicago, IL
Area: Whole counties

County Porter County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.4 hours before the alert went out and 301 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: 952 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 118 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.

In the hours before

Special weather statement, Jun 7, 12:36 PM CDT, 1 hour 45 minutes before

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Special weather statement, Jun 7, 12:40 PM CDT, 1 hour 41 minutes before

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Special weather statement, Jun 7, 1:30 PM CDT, 51 minutes before

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Special weather statement, Jun 7, 1:30 PM CDT, 51 minutes before

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Special weather statement, Jun 7, 2:05 PM CDT, 16 minutes before

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Special weather statement, Jun 7, 2:12 PM CDT, 9 minutes before

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The office that day

Everything else NWS Chicago, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 7, 9:48 AM CDT	Severe Thunderstorm Warning	LOT	Kendall, LaSalle	27 min
Jun 7, 10:18 AM CDT	Severe Thunderstorm Warning	LOT	Kendall, Will	27 min
Jun 7, 10:45 AM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage	30 min
Jun 7, 11:15 AM CDT	Severe Thunderstorm Warning	LOT	Cook	30 min
Jun 7, 11:45 AM CDT	Severe Thunderstorm Warning	LOT	Cook	45 min
Jun 7, 12:52 PM CDT	Severe Thunderstorm Warning	LOT	Will	53 min
Jun 7, 3:03 PM CDT	Flash Flood Warning	LOT	Cook	4 hr
Jun 7, 3:03 PM CDT	Flash Flood Warning	LOT	DuPage	4 hr
Jun 7, 5:43 PM CDT	Severe Thunderstorm Warning	LOT	Kane, McHenry	62 min
Jun 7, 6:27 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Lake	63 min
Jun 7, 12:42 PM CDT	Severe Thunderstorm Warning	LOT	Lake, Porter	33 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1993 Every severe thunderstorm warning in 1993

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.