Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 124, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 27, 1987, 12:12 PM EST for Johnson County, Marion County, Indiana. It was in force for 33 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
- Jul 27, 1987, 12:12 PM EST (17:12 UTC)
- Expired
- Jul 27, 1987, 12:45 PM EST
- In force
- 33 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 |
|---|---|---|---|
| Jul 27, 12:27 PM EST | Hail 1.5 | Marion, 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, 5.2 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
- 0 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 71 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 271713 SVRIND INC097-081-271745- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1212 PM EST MON JUL 27 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 PM EST FOR THE FOLLOWING COUNTIES OF CENTRAL INDIANA... SOUTHERN MARION... NORTHERN JOHNSON AT 1210 PM EST INDIANAPOLIS RADAR SHOWED A SEVERE THUNDERSTORM MOVING THROUGH WESTERN INDIANAPOLIS. THIS STORM PRODUCED GOLF BALL SIZE HAIL AND UPROOTED TREES WHEN IT PASSED THROUGH BROWNSBURG. THE STORM WAS MOVING SOUTHEAST AT 30 MPH TOWARD SOUTHERN INDIANAPOLIS AND GREENWOOD. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH ...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM OF YOUR HOME OR BUSINESS. DF
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, Jul 27, 10:47 AM EST, 1 hour 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1045 AM EST MON JUL 27 1987 THE FORMER SHERIF OF CARROLL COUNTY REPORTED SIGHTING A FUNNEL CLOUD AT 1033 AM EST WEST OF FLORA? INDIANA...ABOUT 20 MILES EAST NORTHEAST OF AFAYETTE. RADAR INDICATES STRONG THUNDERSTORMS IN THE AREA. IF THREATENING WEATHER IS SIGHTED MOVE TO A PLACE OF SAFETY IMMEDIATELY. CURRAN
Special weather statement, Jul 27, 11:06 AM EST, 1 hour 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1103 AM EST MON JUL 27 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF INDIANA UNTIL 400 PM EST THIS AFTERNOON. A BRIEF TORNADO TOUCHDOWN LASTING ONE MINUTE WAS REPORTED AT 1033 AM EST BY THE FORMER SHERIFF OF CARROLL COUNTY WEST OF FLORA ..ABOUT 20 MILES EAST OF LAFAYETTE. AT 1053 AM EST STRONG THUNDERSTORMS EXTENDED FROM NORTH OF MARION AND NEAR WTABASH WEST SOUTHWEST TO NEAR GRISSOM AIR FORCE BASE TO SOUTHEAST OF LAFAYETTE. ANOTHER STORN STORM WAS JUST NORTHWEST OF RICHMOND IN EAST CENTRAL INDIANA. CURRAN
Special weather statement, Jul 27, 11:26 AM EST, 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1125 AM EST MON JUL 27 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF INDIANA UNTIL 400 PM EST THIS AFTERNOON...INCLUDING THE CITIES OF KOKOMO INDIANAPOLIS..LAFAYETTE..MUNCIE..TERRE HAUTE..VINCENNES..BLOOMINGTON AND COLUMBUS. A BRIEF TORNADO TOUCHDOWN LASTING ONE MINUTE WAS REPORTED AT 1033 AM EST BY THE FORMER SHERIFF OF CARROLL COUNTY WEST OF FLORA ..ABOUT 20 MILES EAST OF LAFAYETTE. AT 1016 AM EST A STRONG THUNDERSTORM WAS TRAVELING SOUTHEAST ACROSS BOONE COUNTY..ABOUT 10 MILES NORTHWEST OF LEBANON IN CENTRAL INDIANA. THIS STORM MAY PRODUCE VERY HEAVY RAIN..HAIL..AND STRONG WIND GUSTS AS IT APPROACHES LEBANON..AND ZIONSVILLE BETWEEN NOW AND NOON. BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING WEATHER APPROACH. TRAVELERS ON I-65 BETWEEN ZIONSVILLE AND THE THORNTOWN EXIT SHOULD BE PREPARED TO ENCOUNTER ZERO VISIBILaITY AND GUSTY WINDS. CURRAN
Special weather statement, Jul 27, 11:33 AM EST, 39 minutes before
SPECIAL WEATHER STATEMENT..CORRECTION FOR TIME IN 3RD PARAGRAPH NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1133 AM EST MON JUL 27 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF INDIANA UNTIL 400 PM EST THIS AFTERNOON...INCLUDING THE CITIES OF KOKOMO INDIANAPOLIS..LAFAYETTE..MUNCIE..TERRE HAUTE..VINCENNES..BLOOMINGTON AND COLUMBUS. A BRIEF TORNADO TOUCHDOWN LASTING ONE MINUTE WAS REPORTED AT 1033 AM EST BY THE FORMER SHERIFF OF CARROLL COUNTY WEST OF FLORA ..ABOUT 20 MILES EAST OF LAFAYETTE. AT 1116 AM EST A STRONG THUNDERSTORM WAS TRAVELING SOUTHEAST ACROSS BOONE COUNTY..ABOUT 10 MILES NORTHWEST OF LEBANON IN CENTRAL INDIANA. THIS STORM MAY PRODUCE VERY HEAVY RAIN..HAIL..AND STRONG WIND GUSTS AS IT APPROACHES LEBANON..AND ZIONSVILLE BETWEEN NOW AND NOON. BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING WEATHER APPROACH. TRAVELERS ON I-65 BETWEEN ZIONSVILLE AND THE THORNTOWN EXIT SHnOULD BE PREPARED TO ENCOUNTER ZERO VISIBILITY AND GUSTY WINDS. CURRAN
Special weather statement, Jul 27, 11:50 AM EST, 22 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1147 AM EST MON JUL 27 1987 ..STRONG THUNDERSTORM HEADING TOWARDS WESTERN INDIANAPOLIS... A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A LARGE PART OF INDIANA UNTIL 400 PM EST THIS AFTERNOON...INCLUDING THE CITIES OF KOKOMO INDIANAPOLIS..LAFAYETTE..MUNCIE..TERRE HAUTE..VINCENNES..BLOOMINGTON AND COLUMBUS. AT 1145 AM EST A STRONG THUNDERSTORM WAS TRAVELING SOUTHEAST ACROSS HENDRICKS COUNTY AND WAS LOCATED 20 MILES NORTHWEST OF DOWNTOWN INDIANAPOLIS. THE STORM WAS MOVING AT 30 MPH. THIS STORM MAY PRODUCE VERY HEAVY RAIN..HAIL..AND STRONG WIND GUSTS AS IT APPROACHES BROWNSBURG..CLERMONT AND WESTERN INDIANAPOLIS BETWEEN NOW AND 1215 PM EST. BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES. CURRAN
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 7:30 PM EST | Severe Thunderstorm Warning | IND | Delaware, Madison | 30 min |
| Jul 27, 11:48 AM EST | Severe Thunderstorm Warning | IND | Hendricks, Marion | 27 min |
| Jul 27, 12:34 PM EST | Severe Thunderstorm Warning | IND | Shelby | 26 min |
| Jul 27, 1:01 PM EST | Severe Thunderstorm Warning | IND | Clay, Sullivan, Vigo | 29 min |
| Jul 27, 1:32 PM EST | Severe Thunderstorm Warning | IND | Monroe | 28 min |
| Jul 27, 1:32 PM EST | Severe Thunderstorm Warning | IND | Knox | 43 min |
| Jul 27, 2:10 PM EST | Severe Thunderstorm Warning | IND | Daviess, Dubois, Pike | 35 min |
| Jul 27, 2:10 PM EST | Severe Thunderstorm Warning | IND | Martin | 35 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.