Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 49, NWS Indianapolis, IN

May 13, 1986Greene County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 13, 1986, 5:25 PM EST for Greene County, Indiana. It was in force for 40 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
May 13, 1986, 5:25 PM EST (22:25 UTC)
Expired
May 13, 1986, 6:05 PM EST
In force
40 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Greene County, IN

The radar

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

What was reported inside it

TimeReportWhereRemark
May 13, 6:00 PM ESTHail 0.75Greene, 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

Salem-Leckrone, IL (KSLO), launched 12:00Z, 10.4 hours before the alert went out and 173 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, Salem-Leckrone, IL at 12:00Z on 1986-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 450 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem-Leckrone, IL at 12:00Z on 1986-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
450 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1111 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
48 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KIND 132221
SVRIND
INC153-055-132305-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
525 PM EST TUE MAY 13 1986


THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 605 PM EST FOR PERSONS IN THE FOLLOWING

WEST INDIANA COUNTIES OF EAST SULLIVAN AND WEST GREEN.

AT 450 PM...RADAR SHOWED A SEVERE THUNDERSTORM 5 MILES EAST OF
SULLIVAN...30 SOUTH OF TERRE HAUTE...MOVING EAST AT 25 MILES AN
HOUR.

PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK SHELTER IMMEDIATELY.

REMEMBER A SEVERE THUNDERSTORM PRODUCES DAMAGING WINDS IN
EXCESS OF 60 MILES AN HOUR..LARGE HAIL..FREQUENT LIGHTNING
AND POSSIBLE HEAVY RAIN THAT "CAN QUICKLY FLOOD LOW AREAS.

REPORT SEVERE WEATHER TO THE POLICE..SHERIFF..OR STATE POLICE
FOR RELAY TO THE NATIONAL WEATHER SERVICE.

DS

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, May 13, 2:46 PM EST, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
245 PM EST TUE MAY 13 1986

...A SEVERE THUNDERSTORM WATCH FOR THE SOUTHERN HALF OF INDIANA UNTIL
900 PM EST.

AT 235 PM EST...WEATHER RADAR AT THE INDIANAPOLIS AIRPORT SHOWED A
SINGLE THUNDERSTORM NEAR BLOOMFIELD WHICH IS ABOUT 30 MILES SOUTHEAST
OF TERRE HAUTE. THIS STORM HAS DEVELOPED SINCE 200 PM EST AND NO MOVEMENT
HAD BEEN DETERMINED.

MORE THUNDERSTORMS WERE LOCATED OVER CENTRAL ILLINOIS FROM SPRINGFIELD
SOUTH TO MOUNT VERNON. THESE STORMS WERE MOVING NORTHEAST TOWARD THE
INDIANA/ILLINOIS STATE LINE AT 20 TO 25 MILES AN HOUR.

GERY
Special weather statement, May 13, 3:48 PM EST, 1 hour 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
347 PM EST TUE MAY 13 1986

...A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE SOUTHERN HALF OF
INDIANA...SOUTHERN ILLINOIS AND NORTHERN KENTUCKY UNTIL 900 PM EST.

AT 330 PM EST...WEATHER RADAR AT THE INDIANAPOLIS AIRPORT SHOWED
TWO THUNDERSTORMS OVER SOUTH CENTRAL INDIANA. THE STRONGEST STORM WAS
ABOUT 5 TO 8 MILES SOUTHEAST OF BLOOMINGTON NEAR MONROE RESERVOIR
...ABOUT 50 MILES SOUTH OF INDIANAPOLIS. THE OTHER STORM WAS LOCATED
ABOUT 65 MILES SOUTH OF INDIANAPOLIS NEAR THE JACKSON-WASHINGTON STATE
FOREST.

THESE STORMS WERE MOVING SLOWLY EAST AT ABOUT 15 MILES AN HOUR. GUSTY
WINDS AND FREQUENT LIGHTNING CAN BE EXPECTED WITH THESE STORMS. PERSONS
IN THE OUTDOORS SHOULD SEEK SHELTER AS THESE STORMS APPROACH.

MORE THUNDERSTORMS WERE LOCATED OVER EASTERN CENTRAL ILLINOIS FROM SOUTH
OF MARSEILLES SOUTH THROUGH DANVILLE TO MOUNT VERNON. THESE STORMS WERE
MOVING TO THE NORTHEAST AT 20 TO 25 MILES AN HOUR.

GERY
Special weather statement, May 13, 4:30 PM EST, 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
430 PM EST TUE MAY 13 1986

...A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE SOUTHERN HALF OF
INDIANA...SOUTHERN ILLINOIS AND NORTHERN KENTUCKY UNTIL 900 PM EST.

THUNDERSTORMS WERE MOVING EAST FROM EASTERN ILLINOIS AT 415 PM EST.
ONE STORM HAD CROSSED THE WABASH RIVER IN SOUTHWEST INDIANA AND WAS
10 MILES SOUTH OF VINCENNES...40 MILES NORTH OF EVANSVILLE.

THE OTHER STORMS WILL BEGIN MOVING INTO WESTERN INDIANA BETWEEN 5 PM
AND 530 PM...MAINLY AROUND TERRE HAUTE AND WEST OF LAFAYETTE.

THE STORMS WERE MOVING EAST 20 MILES AN HOUR AND MAY PRODUCE DANGEROUS
LIGHTNING...LARGE HAIL AND DAMAGING WINDS.

A SINGLE THUNDERSHOWER WAS OVER SOUTHERN INDIANA 10 MILES SOUTH OF
BROWNSTOWN...45 MILES NORTHWEST OF LOUISVILLE.

DS
Special weather statement, May 13, 5:15 PM EST, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
515 PM EST TUE MAY 13 1986

...A SEVERE THUNDERSTORM WATCH CONTINUES FOR THE SOUTHERN HALF OF
INDIANA...SOUTHERN ILLINOIS AND NORTHERN KENTUCKY UNTIL 900 PM EST.

STRONG THUNDERSTORMS WERE ENTERING WESTERN INDIANA AT 505 PM EST.
THE STORMS WERE ALONG THE INDIANA AND ILLINOIS BORDER FROM ABOUT 50
MILES SOUTH OF TERRE HAUTE TO 40 MILES NORTHWEST OF LAFAYETTE.

AN INTENSE STORM WAS CAYUGA...30 MILES NORTH OF TERRE HAUTE. IT AND
OTHER STORMS WERE MOVING EAST 25 MILES PER HOUR. SCATTERED POWER
OUTAGES HAVE BEEN REPORTED NEAR CAYUGA AND NEWPORT.

THE STORMS MAY PRODUCE DANGEROUS LIGHTNING...LARGE HAIL...DAMAGING
WINDS AND HEAVY RAINFALL.

IF YOU SEE THREATENING WEATHER...TAKE SHELTER QUICKLY. REPORT SEVERE
WEATHER TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

DS

The office that day

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

IssuedProductOfficeCountiesLasted
May 13, 5:25 PM ESTSevere Thunderstorm WarningINDSullivan20 min
May 13, 6:55 PM ESTSevere Thunderstorm WarningINDJohnson, Marion35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1986Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.