Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 58, NWS Indianapolis, IN

June 15, 1987Hendricks County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 15, 1987, 4:42 PM EST for Hendricks County, Indiana. It was in force for 48 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1987, 4:42 PM EST (21:42 UTC)
Expired
Jun 15, 1987, 5:30 PM EST
In force
48 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Hendricks 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, 9.7 hours before the alert went out and 198 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-pSkew-T log-p diagram, Dayton/James M C, OH at 12:00Z on 1987-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 385 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 12:00Z on 1987-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
385 J/kg
Mixed-layer CIN
-170 J/kg
Mixed-layer LCL
1419 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
42 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

Local storm report, Jun 15, 4:10 PM EST, 32 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
410 PM EST MON JUN 15 1987

1530 PM EST
1545 PM EST.....PEA SIZE TO NICKEL SIZE HAIL MADISON COUNTY
                REPORTED BY AMATEUR RADIO. EXACT LOCATION UNKNOWN

1603 PM EST....NORTHEAST MARION COUNTY...96TH AND LANTERN ST
               ONE INCH DIAMETER HAIL REPORTED BY AMATEUR RADIO

1600 PM EST....HAMILTON COUNTY AND MARION COUNTY LINE...ZIONSVILLE
               POLICE...HAIL AND HEyAVY RAIN. HAIL SIZE UNKNOWN
EDWARDS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 2:59 PM ESTSevere Thunderstorm WarningINDHamilton31 min
Jun 15, 3:19 PM ESTSevere Thunderstorm WarningINDMadison, Tipton41 min
Jun 15, 3:33 PM ESTSevere Thunderstorm WarningINDDelaware42 min
Jun 15, 3:44 PM ESTSevere Thunderstorm WarningINDMarion31 min
Jun 15, 4:15 PM ESTSevere Thunderstorm WarningINDMarion45 min
Jun 15, 4:54 PM ESTSevere Thunderstorm WarningINDParke36 min
Jun 15, 5:08 PM ESTTornado WarningINDHendricks27 min
Jun 15, 5:48 PM ESTSevere Thunderstorm WarningINDVermillion42 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1987Every severe thunderstorm warning in 1987

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.