Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 122, NWS Northern Indiana

July 28, 1999Wabash County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 28, 1999, 11:27 PM EST for Wabash County, Indiana. It was in force for 48 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 28, 1999, 11:27 PM EST (04:27 UTC)
Expired: Jul 29, 1999, 12:15 AM EST
In force: 48 min
Issued by: NWS Northern Indiana
Area: Whole counties

County Wabash County, IN

The radar

The Northern Indiana radar (KIWX), 58 km from the middle of the area, began a volume at 04:31 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.

What was reported inside it

Time	Report	Where	Remark
Jul 28, 11:35 PM EST	Thunderstorm Wind	North Manchester, IN	Trees blown down along CR 700 N.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 28, 8:30 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 4.5 hours before the alert went out and 250 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: 2081 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1248 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 148 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 9.2

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.

NWS Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 9:23 PM EST, 2 hours 4 minutes earlier.

Area forecast discussion, Jul 28, 9:23 PM EST, 2 hours 4 minutes before

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In the hours before

Local storm report, Jul 28, 9:43 PM EST, 1 hour 44 minutes before

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Local storm report, Jul 28, 9:43 PM EST, 1 hour 44 minutes before

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Special weather statement, Jul 28, 10:10 PM EST, 1 hour 17 minutes before

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Special weather statement, Jul 28, 10:10 PM EST, 1 hour 17 minutes before

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Local storm report, Jul 28, 11:02 PM EST, 25 minutes before

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Local storm report, Jul 28, 11:02 PM EST, 25 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
Jul 28, 7:53 PM EST	Severe Thunderstorm Warning	IWX	Elkhart	47 min
Jul 28, 8:08 PM EST	Severe Thunderstorm Warning	IWX	LaGrange	47 min
Jul 28, 8:20 PM EST	Severe Thunderstorm Warning	IWX	Marshall	50 min
Jul 28, 8:41 PM EST	Severe Thunderstorm Warning	IWX	Elkhart, Noble	49 min
Jul 28, 8:53 PM EST	Tornado Warning	IWX	Marshall	32 min
Jul 28, 9:10 PM EST	Severe Thunderstorm Warning	IWX	Kosciusko	50 min
Jul 28, 10:08 PM EST	Severe Thunderstorm Warning	IWX	Marshall	47 min
Jul 28, 11:53 PM EST	Severe Thunderstorm Warning	IWX	Wabash	22 min
Jul 28, 7:05 PM EST	Severe Thunderstorm Warning	IWX	Hillsdale	35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1999 Every severe thunderstorm warning in 1999

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.