Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 112, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 15, 1987, 3:46 PM EST for Brown County, Indiana. It was in force for 34 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 15, 1987, 3:46 PM EST (20:46 UTC)
- Expired
- Jul 15, 1987, 4:20 PM EST
- In force
- 34 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Brown 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 15, 4:10 PM EST | Hail 0.75 | Brown, 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, 8.8 hours before the alert went out and 191 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
- 1633 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 40 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 152045 SVRIND INC013-152120- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 346 PM EST WED JUL 15 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 420 PM EST FOR THE FOLLOWING COUNTY OF SOUTH CENTRAL INDIANA... BROWN AT 340 PM EST RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 40 MILES SOUTH OF INDIANAPOLIS OR ABOUT 10 MILES NORTHWEST OF NASHVILLE. THIS STORM WILL PASS NEAR OR JUST NORTH OF NASHVILLE BY 400 PM EST. 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 Y OUR HOME OR BUSINESS. THESE STORMS CAN ALSO PRODUCE A SMALL TORNADO WITH LITTLE OR NO ADVANCE WARNING. JEH
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 15, 3:42 PM EST, 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 340 PM EST WED JUL 15 1987 IN INDIANA THIS SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST AND INCLUDES THAT PART OF INDIANA... SOUTH OF A LINE FROM KENTLAND TO 20 MILES NORTH OF PERU...WEST OF A LINE FROM 20 MILES NORTH OF PERU TO 10 MILES NORTH OF MADISON...AND NORTH OF A LINE FROM 10 MILES NORTH OF MADISON TO MOUNT CARMEL ILLINOIS. SOME CITIES INCLUDED ARE... LAFAYETTE...LOGANSPORT AND KOKOMO...TERRE HAUTE...INDIANAPOLIS...VINCENNES AND VERNON. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STEIGERWALDT
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 3:25 PM EST | Severe Thunderstorm Warning | IND | Parke | 35 min |
| Jul 15, 3:32 PM EST | Tornado Warning | IND | Parke, Vermillion | 28 min |
| Jul 15, 4:12 PM EST | Severe Thunderstorm Warning | IND | Clay | 33 min |
| Jul 15, 4:20 PM EST | Severe Thunderstorm Warning | IND | Bartholomew | 40 min |
| Jul 15, 5:11 PM EST | Severe Thunderstorm Warning | IND | Jackson, Jennings | 29 min |
| Jul 15, 5:28 PM EST | Tornado Warning | IND | Carroll, Cass | 32 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.