Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 133, NWS Indianapolis, IN

July 30, 1992Martin County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 30, 1992, 2:56 PM EST for Martin County, Indiana. It was in force for 34 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 30, 1992, 2:56 PM EST (19:56 UTC)
Expired: Jul 30, 1992, 3:30 PM EST
In force: 34 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Martin County, IN

What was reported inside it

Time	Report	Where	Remark
Jul 30, 3:03 PM EST	Hail 0.75	Martin, IN

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.9 hours before the alert went out and 247 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: 1024 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 550 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 40 m²/s²
0-3 km storm-relative helicity: 11 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, Jul 30, 2:11 PM EST, 45 minutes before

INZ000-310200-
SPECIAL WEATHER STATEMENT FOR FOR SEVERE THUNDERSTORM WATCH 697
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
210 PM EST THU JUL 30 1992

...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR CENTRAL AND
SOUTHERN INDIANA UNTIL 900 PM EST...

THE WATCH INCLUDES MOST OF INDIANA SOUTH OF A LINE FROM 30 MILES
WEST OF LAFAYETTE TO 20 MILES EAST OF BLUFFTON. SOME CITIES INCLUDED
IN THE WATCH ARE...

ANDERSON        BEDFORD         BLOOMINGTON     BLUFFTON
COLUMBUS        INDIANAPOLIS    KOKOMO          LAFAYETTE
MARION          WASHINGTON      WINCHESTER

SEVERE THUNDERSTORMS ARE POSSIBLE IN AND CLOSE TO THE WATCH AREA.
SEVERE THUNDERSTORMS PRODUCE DANGEROUS LIGHTNING...DAMAGING WINDS
AND LARGE HAIL.

DS

Special weather statement, Jul 30, 2:35 PM EST, 21 minutes before

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The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 2:45 AM EST	Severe Thunderstorm Warning	IND	Fayette	30 min
Jul 30, 2:10 PM EST	Severe Thunderstorm Warning	IND	Hamilton	35 min
Jul 30, 2:21 PM EST	Tornado Warning	IND	Parke, Vigo	39 min
Jul 30, 2:25 PM EST	Severe Thunderstorm Warning	IND	Clay	25 min
Jul 30, 2:50 PM EST	Severe Thunderstorm Warning	IND	Delaware	40 min
Jul 30, 3:31 PM EST	Severe Thunderstorm Warning	IND	Lawrence	29 min
Jul 30, 4:01 PM EST	Severe Thunderstorm Warning	IND	Daviess, Ohio	29 min
Jul 30, 5:12 PM EST	Severe Thunderstorm Warning	IND	Grayson	48 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992 Every severe thunderstorm warning in 1992

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.