Alert archive / Indiana / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 50, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 13, 1986, 6:55 PM EST for Johnson County, Marion County, Indiana. It was in force for 35 min. 2 reports 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, 6:55 PM EST (23:55 UTC)
- Expired
- May 13, 1986, 7:30 PM EST
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Johnson County, IN, Marion 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 13, 7:10 PM EST | Thunderstorm Wind 0 | Marion, IN | |
| May 13, 7:20 PM EST | Hail 0.75 | Johnson, 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
Dayton/James M C, OH (KDAY), launched 12:00Z, 11.9 hours before the alert went out and 167 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1091 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 132354 SVRIND INC097-081-140030- BULLETIN...IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 655 PM EST TUE MAY 13 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 PM EST FOR PERSONS IN THE FOLLOWING CENTRAL INDIANA COUNTIES OF SOUTH MARION AND NORTH JOHNSON AT 650 PM...RADAR SHOWED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF DOWNTOWN INDIANAPOLIS MOVING EAST 25 MILES AN HOUR. 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..SHE~RIFF..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, 4 hours 9 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 7 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 25 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, 1 hour 40 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, 24 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, 15 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 13, 5:25 PM EST | Severe Thunderstorm Warning | IND | Sullivan | 20 min |
| May 13, 5:25 PM EST | Severe Thunderstorm Warning | IND | Greene | 40 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.