Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 115, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 15, 1987, 5:11 PM EST for Jackson County, Jennings County, Indiana. It was in force for 29 min.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1987, 5:11 PM EST (22:11 UTC)
- Expired
- Jul 15, 1987, 5:40 PM EST
- In force
- 29 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Jackson County, IN, Jennings 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
Dayton/James M C, OH (KDAY), launched 12:00Z, 10.2 hours before the alert went out and 175 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
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, Jul 15, 3:42 PM EST, 1 hour 29 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
Special weather statement, Jul 15, 4:21 PM EST, 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 420 PM EST WED JUL 15 1987 IN INDIANA THIS SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 900 PM EST AND INCLUDES ALL COUNTIES SOUTH OF A LINE FROM MOUNT CARMEL ILLINOIS TO 20 MILES NORTHWEST OF CINCINNATI OHIO...EXCEPT FOR POSEY COUNTY IN THE EXTREME SOUTHWEST PART OF INDIANA. SOME CITIES INCLUDED ARE... EVANSVILLE...ENGLISH AND MADISON. REMEMBER...A WA=TCH 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, 3:46 PM EST | Severe Thunderstorm Warning | IND | Brown | 34 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, 5:28 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; the sounding from the Mesonet's radiosonde archive.