Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 42, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 12, 1987, 2:25 PM EST for Montgomery County, Parke County, Putnam County, Indiana. It was in force for 35 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 12, 1987, 2:25 PM EST (19:25 UTC)
- Expired
- Jun 12, 1987, 3:00 PM EST
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Montgomery County, IN, Parke County, IN, Putnam 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 12, 2:40 PM EST | Thunderstorm Wind 0 | Putnam, 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
Salem-Leckrone, IL (KSLO), launched 12:00Z, 7.4 hours before the alert went out and 211 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
- 762 J/kg
- Mixed-layer CIN
- -22 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 121925 SVRIND INC107-121-133-122000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 225 PM EST FRI JUN 12 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM EST FOR THE FOLLOWING COUNTIES OF WEST CENTRAL INDIANA... SOUTHERN MONTGOMERY... EASTERN PARKE... NORTHERN PUTMAN AT 220 PM EST RADAR INDICATED THAT A SEVERE THUNDERSTORM WAS ABOUT 15 MILES SOUTHWEST OF CRAWFORDSVILLE. A PRIVATE CITIZEN CITIZEN ALSO REPORTED WINDS IN EXCESS OF 50 MPH AS THIS THUNDERSTORM MOVED THROUGH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDO WS. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY OR THE NATIONAL WEATHER SERVICE. HENDRICKSON
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 12, 12:30 PM EST, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1228 PM EST FRI JUN 12 1987 SCATTERED THUNDERSTORMS WERE DEVELOPING RAPIDLY ACROSS CENTRAL INDIANA AS OF 1225 PM EST. THE STRONGEST OF THESE WERE OVER NORTH CENTRAL INDIANA...JUST TO THE WEST OF LAFAYETTE AND ALSO TO THE EAST OF LOGANSPORT. THESE THUNDERSTORMS MAY PRODUCE VERY HEAVY RAINS...SMALL HAIL AND STRONG GUSTY WINDS. THE THUNDERSTORMS WERE MOVING EAST AT 20 MPH. HENDRICKSON
Special weather statement, Jun 12, 1:22 PM EST, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 120 PM EST FRI JUN 12 1987 VERY STRONG THUNDERSTORMS CONTINUED TO DEVELOP OVER NORTH CENTRAL AND WEST CENTRAL INDIANA. AT 115 PM EST VERY STRONG THUNDERSTORMS CAPABLE OF PRODUCING GUSTY WINDS AND SMALL HAIL WERE SCATTERED FROM 18 MILES SOUTHWEST OF LAFAYATTE TO NEAR DANVILLE ILLINOIS. ANOTHER STRONG STORM WAS ABOUT 15 MILES WEST OF KOKOMO. THE THUNDERSTORMS WERE MOVING EAST SOUTHEAST AT 25 MILES AN HOUR. MORE THUNDERSTORMS ARE LIKELY TO DEVELOP OVER INDIANA THIS AFTERNOON AND SOME OF THE STORMS COULD BECOME SEVERE. EDWARDS
Special weather statement, Jun 12, 2:01 PM EST, 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 155 PM EST FRI JUN 12 1987 IN INDIANA THIS SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 800 PM EST AND INCLUDES THAT PART OF INDIANA... SOUTH OF A LINE FROM 10 MILES SOUTH OF DANVILLE ILLINOIS TO PORTLAND AND MORTH OF A LINE FROM 15 NORTH OF EVANSVILLE TO LAWRENCEBURG SOME CITIES INCLUDED ARE... INDIANAPOLIS...TERRE HAUTE...MUNCIE... RICHMOND...VINCENNES....BLOOMINGTON...COLUMBUS AND ANDERSON. 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. AT 150 PM EST RADAR SHOWED STRONG THUNDERSTORMS CONTINUING TO DEVELOP OVER WEST CENTRAL INDIANA. THE HEAVIEST STORM WAS 2 MILES NORTH OF CAYUGA...10 MILES EAST IF DANVILLE ILLINOIS. OTHER HEAVY THUNDERSTORMS WERE BEAR THE CRAWSFORDSVILLE AREA...35 MILES EAST OF INDIANAPOLIS. THIS STORMS WERE MOVING EAST AT 25 MILES AN HOUR AND ARE CAPABLE OF PRODUCING HEAVY RAINS AND SMALL HAIL. GERY
Special weather statement, Jun 12, 2:19 PM EST, 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 216 PM EST FRI JUN 12 1987 THUNDERSTORMS WERE DEVELOPING TOWARDS THE INDIANAPOLIS METRO AREA AT 215 PM EST. THUNDERSTORMS WERE 15 MILES NORTHWEST OF DOWNTOWN INDIANAPOLIS TO 20 MILES NORTHEAST OF TERRE HAUTE. THESE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL BE MOVING ACROSS INDIANAPOLIS BETWEEN 225 PM AND 330 PM EST. PERSONS IN THE AREA BETWEEN INDIANAPOLIS AND CRAWFORDSVILLE SHOULD BE ALERT FOR GUSTY WINDS AND SOME SMALL HAIL AS THE HEAVIER STORMS MOVE THROUGH CENTRAL INDIANA. AT 210 PM EST 50 MILE AN HOUR WINDS WERE REPORTED IN MARSHALL IN NORTHEAST PARKE COUNTY OR ABOUT 25 MILES NORTH NORTHEAST OF TERRE HAUTE BY THE PUBLIC. EDWARDS
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.