Alert archive / Indiana / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 66, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 11, 1986, 8:30 PM EST for Johnson County, Indiana. It was in force for 30 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
- Jun 11, 1986, 8:30 PM EST (01:30 UTC)
- Expired
- Jun 11, 1986, 9:00 PM EST
- In force
- 30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 8:35 PM EST | Thunderstorm Wind 0 | 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 00:00Z, 1.5 hours before the alert went out and 169 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
- 1512 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 802 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 120133 SVRIND INC081-120200- BULLETIN...IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 830 PM EST WED JUN 11 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM EST FOR PERSONS IN THE FOLLOWING CENTRAL INDIANA COUNTY OF...JOHNSON AT 830 PM EST...JOHSON COUNTY SHERIFF REPORTED A SEVERE THUNDERSTORM AT NEW WHITLAND. THE STORM WAS MOVING EAST AT 25 MILES AN HOUR. DAMAGING WINDS ARE LIKELY WITH THE PASSAGE OF THIS STORM. 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. HAINES
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, Jun 11, 4:52 PM EST, 3 hours 38 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 450 PM EST WED JUN 11 1986 A TORNADO WATCH REMAINS IN EFFECT FOR THE WEST AND CENTRAL PARTS OF INDIANA UNTIL 9 PM EST. AT 445 PM EST...SCATTERED SHOWERS AND A FEW VERY STRONG THUNDERSTORMS WERE OVER THE CENTRAL TWO THIRDS OF INDIANA. THE MOST CONCENTRATED AREA OF PRECIPITATION WAS IN A 30 TO 40 MILE WIDE BAND THAT STRETCHED FROM MONTICELLO SOUTHEAST TO NEAR MADISON ON THE OHIO RIVER. THE MOST INTENSE THUNDERSTORMS WERE OVER WEST CENTRAL AND SOUTH CENTRAL INDIANA. STRONGEST THUNDERSTORMS EXTENDED FROM NEAR TERRE HAUTE TO 40 MILES NORTHEAST OF TERRE HAUTE. OTHER STRONG STORMS EXTENDED FROM JUST NORTH OF COLUMBUS TO 10 MILES NORTH OF WESTPORT...OR FROM 35 MILES SOUTH TO 50 MILES SOUTH OF INDIANAPOLIS. . MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR. . THE STRONG THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY DOWNPOURS... STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. . PEOPLE SHOULD REMAIN ALERT IN THE WATCH AREA AND IF SEVERE WEATHER WARNINGS ARE ISSUED FOR YOUR AREA...TAKE COVER IMMEDIATELY. NO SEVERE WEATHER HAS BEEN REPORTED TO THE NATIONAL WEATHER SERVICE UP UNTIL 450 PM EST. STEIGERWALDlT
Special weather statement, Jun 11, 5:21 PM EST, 3 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 520 PM EST WED JUN 11 1986 A TORNADO WATCH IN EFFECT FOR THE WEST AND CENTRAL PARTS OF INDIANA TILL 9 PM EST WILL BE REPLACED BY A NEW WATCH BY 530 PM EST THIS AFTERNOON. AT 515 PM EST...VERY STRONG THUNDERSTORMS WERE OVER PART OF WEST CENTRAL INDIANA. THE MOST INTENSE THUNDERSTORMS WERE NEAR BRAZIL...BETWEEN ROCKVILLE AND GREENCASTLE...AND INCLUDING THE NORTH PART OF PUTNAM COUNTY. THESE STORMS WERE FROM 15 MILES EAST OF TO 50 MILES NORTHEAST OF TERRE HAUTE. MOVEMENT WAS NORTHEAST AT 25 MILES AN HOUR. . THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING HEAVY DOWNPOURS... STRONG GUSTY WINDS AND DANGEROUS LIGHTNING. . PEOPLE IN NORTHERN CLAY AND PUTNAM COUNTIES...AS WELL AS WEST AND CENTRAL INDIANA SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER. STEIGERWALDT
Special weather statement, Jun 11, 6:38 PM EST, 1 hour 52 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 638 PM EST WED JUN 11 1986 A TORNADO WATCH IS IN EFFECT FOR PARTS OF EASTERN INDIANA UNTIL MIDNIGHT... AT 635 PM EST...THE STRONGEST THUNDERSTORM IN CENTRAL INDIANA WAS APPROACHING THE CITY OF LAWRENCE IN MARION COUNTY. THIS STORM WILL PRODUCE STRONG WINDS...HEAVY DOWNPOURS AND FREQUENT LIGHTNING OVER NORTHEAST MARION COUNTY UNTIL IT MOVES INTO NORTHWEST HANCOCK COUNTY ARpOUND 650 PM EST. STEIGERWALDT
Special weather statement, Jun 11, 7:11 PM EST, 1 hour 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 710 PM EST WED JUN 11 1986 ...A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF EASTERN INDIANA UNTIL MIDNIGHT... AT 705 PM EST...STRONG THUNDERSTORMS HAD MOVED MOSTLY TO THE EAST OF INDIANAPOLIS. THE 10 MILE WIDE LINE OF THUNDERSTORMS EXTENDED FROM 45 MILES NORTHEAST OF INDIANAPOLIS ON THE TIPTON..MADISON COUNTY LINE...TO 20 MILES NORTHEAST OF DOWNTOWN INDIANAPOLIS. ANOTHER LINE OF STRONG THUNDERSTORMS WAS OVER WEST CENTRAL INDIANA. THIS 10 MILE WIDE LINE EXTENDED FROM 10 MILES EAST OF LAFAYETTE TO 15 MILES EAST OF TERRE HAUTE TO NEAR VINCENNES. . BOTH LINES WERE MOVING EAST AT 25 MILES AN HOUR. . PEOPLE ACROSS THE CENTRAL TWO THIRDS OF INDIANA SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER ESPECIALLY THIS EVENING. STEIGERWALDT
Special weather statement, Jun 11, 7:31 PM EST, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 730 PM EST WED JUN 11 1986 ...A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF EASTERN INDIANA UNTIL MIDNIGHT... AT 725 PM EST...A 15 MILE WIDE LINE OF VERY STRONG THUNDERSTORMS WAS OVER THE WEST PART OF INDIANA. THE LINE EXTENDED FROM 15 MILES EAST OF LAFAYETTE TO 15 MILES EAST OF TERRE HAUTE TO NEAR VINCENNES ON THE WABASH RIVER. THE MOST INTENSE THUNDERSTORMS WERE FROM 20 TO 45 MILES SOUTH OF LAFAYETTE...25 MILES EAST OF TERRE HAUTE...AND 20 MILES NORTH OF VINCENNES. . THE LINE WAS MOVING EAST AT 25 MILES AN HOUR. THE LINE OF VERY STRONG THUNDERSTORMS WILL MOVE ACROSS THE CITIES OF KIRKLIN...STILESVILLE...QUINCY AND LYONS BY 745 PM EST...AND ACROSS TIPTON...ZIONSVILLE...THE WEST PART OF INDIANAPOLIS...MOORESVILLE AND MARTINSVILLE BY 815 PM EST. HEAVY RAIN...FREQUENT LIGHTNING AND STRONG WINDS WILL ACCOMPANY THE LINE OF THUNDERSTORMS. LISTEN TO THIS SAME SOURCE FOR ADDITIONAL WEATHER INFORMATION. STEIGERWALDT
Special weather statement, Jun 11, 8:12 PM EST, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 810 PM EST WED JUN 11 1986 ...A TORNADO WATCH REMAINS IN EFFECT FOR PARTS OF EASTERN INDIANA UNTIL MIDNIGHT... AT 805 PM EST...A 10 MILE WIDE LINE OF VERY STRONG THUNDERSTORMS EXTENDED FROM BETWEEN FRANKFORT AND TIPTON...THROUGH PLAINFIELD TO 10 MILES EAST OF SPENCER IN CENTRAL INDIANA. THE MOST INTENSE THUNDERSTORM WAS OVER NORTHERN MORGAN NEAR MOORESVILLE ...OR 15 MILES SOUTHWEST OF DOWNTOWN INDIANAPOLIS. OTHER VERY STRONG THUNDERSTORMS WERE 5 MILES EAST OF LEBANON AND NEAR BROWNSBURG...OR FROM 15 TO 20 MILES NORTHWEST OF INDIANAPOLIS. . THE LINE WAS MOVING EAST AT 30 MILES AN HOUR. VERY HEAVY DOWNPOURS...FREQUENT LIGHTNING...AND STRONG GUSTY WINDS WILL OCCUR WITH THE PASSAGE OF THIS LINE. THE LINE WILL MOVE ACROSS THE CITIES OF NOBLESVILLE...INTO THE WEST PART OF INDIANAPOLIS...AND ACROSS WHITELAND AND GREENWOOD BY ABOUT 830 PM EST. BRIEF FLOODING OF SOME ROADS AND LOW LYING AREAS IS ALSO POSSIBLE ESPECIALLY IN URBAN AREAS. STEIGERWALDT
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 11, 8:45 PM EST | Severe Thunderstorm Warning | IND | Shelby | 30 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.