Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 114, NWS Indianapolis, IN

July 11, 1986Shelby County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 11, 1986, 6:13 PM EST for Shelby County, Indiana. It was in force for 47 min.

The area

The counties it named.

The facts

Issued: Jul 11, 1986, 6:13 PM EST (23:13 UTC)
Expired: Jul 11, 1986, 7:00 PM EST
In force: 47 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Shelby County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 11.2 hours before the alert went out and 142 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: 283 J/kg
Mixed-layer CIN: -68 J/kg
Mixed-layer LCL: 638 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 107 m²/s²
0-3 km storm-relative helicity: 149 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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

Local storm report, Jul 11, 5:22 PM EST, 51 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
525 PM EST FRI JUL 11 1986

510 PM EST   CHANNEL 8..DOWNTOWN INDIANAPOLIS REPORTS MEASURED WIND
             GUSTS OF 60 MPH.

512 PM EST   TREE REPORTED DOWN AND LIVE WIRE ON GROUND AT 29TH AND
             CAPITOL..3 MILES NORTH OF DOWNTOWN INDIANPOLIS. REPORTED
             BY AMATEUR RADIO OPERATORS.

504 PM EST   PUBLIC REPORT OF A FUNNEL CLOUD IN SOUTHEAST HAMILTON
             COUNTY NEAR HIGHWAY 238 AND I-69.  REPORT UNCONFIRMED.

514RPM EST   WIND GUST OF 44 MPH AT INDIANAPOLIS INTERNATIONAL
             AIRPORT.

CURRAN

Local storm report, Jul 11, 6:00 PM EST, 13 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 10, 7:10 PM EST	Severe Thunderstorm Warning	IND	Benton	35 min
Jul 11, 2:50 PM EST	Severe Thunderstorm Warning	IND	Wayne	30 min
Jul 11, 3:34 PM EST	Severe Thunderstorm Warning	IND	Parke	26 min
Jul 11, 4:18 PM EST	Severe Thunderstorm Warning	IND	Vigo	42 min
Jul 11, 4:40 PM EST	Severe Thunderstorm Warning	IND	Marion	50 min
Jul 11, 4:50 PM EST	Severe Thunderstorm Warning	IND	Hamilton	40 min
Jul 11, 5:10 PM EST	Severe Thunderstorm Warning	IND	Hancock	35 min
Jul 11, 5:50 PM EST	Severe Thunderstorm Warning	IND	Henry	40 min
Jul 11, 5:58 PM EST	Severe Thunderstorm Warning	IND	Delaware	32 min
Jul 11, 6:13 PM EST	Severe Thunderstorm Warning	IND	Johnson	37 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1986 Every severe thunderstorm warning in 1986

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.