Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 51, NWS Indianapolis, IN

May 13, 1986Johnson County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 13, 1986, 7:22 PM EST for Johnson County, Indiana. It was in force for 23 min.

The area

The counties it named.

The facts

Issued
May 13, 1986, 7:22 PM EST (00:22 UTC)
Expired
May 13, 1986, 7:45 PM EST
In force
23 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Johnson 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

Salem-Leckrone, IL (KSLO), launched 00:00Z, 0.4 hours before the alert went out and 259 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 00:00Z on 1986-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 770 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, Salem-Leckrone, IL at 00:00Z on 1986-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
770 J/kg
Mixed-layer CIN
-34 J/kg
Mixed-layer LCL
1565 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.2

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.

In the hours before

Special weather statement, May 13, 2:46 PM EST, 4 hours 36 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, 3 hours 34 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, 2 hours 52 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, 2 hours 7 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
Special weather statement, May 13, 6:31 PM EST, 51 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
630 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 OVER WEST INDIANA AT 615 PM EST. STRONG
STORMS WERE NEAR LADOGA...25 MILES NORTHWEST OF INDIANAPOLIS...NEAR
CLOVERDALE...25 MILES SOUTHWEST OF INDIANAPOLIS AND NEAR BLOOMINGTON...
35 MILES SOUTHWEST OF INDIANAPOLIS.

HAIL 3/4 INCH IN DIAMETER WAS REPORTED 2 MILES SOUTHWEST OF BLOOMINGTON
AT 620 PM AND 1/4 INCH HAIL AT MONROVIA...25 MILES SOUTHWEST OF
INDIANAPOLIS.

THE STORMS WERE MOVING EAST 25 MILES PER HOUR AND WILL PRODUnCE
DANGEROUS LIGHTNING...HEAVY RAINFALL...GUSTY WIND AND POSSIBLY HAIL.

IF YOU SEE THREATENING WEATHER...TAKE SHELTER QUICKLY. REPORT SEVERE

DS
Local storm report, May 13, 6:40 PM EST, 42 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
640 PM EST TUE MAY 13 1986

600 PM   3/4 INCH HAIL AT LINTON IN GREEN COUNTY.

DS

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 5:28 PM ESTSevere Thunderstorm WarningINDWarrick47 min
May 14, 4:55 PM ESTSevere Thunderstorm WarningINDWebster65 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; the sounding from the Mesonet's radiosonde archive.