Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 25, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 1, 1987, 2:01 PM EST for Tippecanoe County, Indiana. It was in force for 44 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 1, 1987, 2:01 PM EST (19:01 UTC)
- Expired
- Jun 1, 1987, 2:45 PM EST
- In force
- 44 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Tippecanoe 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 1, 2:55 PM EST | Hail 1.75 | Tippecanoe, 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
Peoria Regional, IL (KPIA), launched 12:00Z, 7.0 hours before the alert went out and 231 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
- 815 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 98 m²/s²
- 0-3 km storm-relative helicity
- 110 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 011904 SVRIND INC157-011945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 201 PM EST MON JUN 1 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM EST FOR THE FOLLOWING COUNTY OF WEST CENTRAL INDIANA... SOUTH TIPPERCANOE AT 155 PM EST...RADAR SHOWED A SEVERE THUNDERSTORM OVER THE WEST SIDE OF LAFAYETTE. THE STORM WAS MOVING SOUTHEAST AT 2c0 MPH. THE WARNING INCLUDES THE CITY OF LAFAYETTE. THE STORM WILL PRODUCE DANGEROUS LIGHTNING...LARGE HAIL AND VERY HEAVY HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. DS
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 1, 1:22 PM EST, 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 120 PM EST MON JUN 1 1987 VERY STRONG THUNDERSTORMS WERE OVER NORTHWEST INDIANA AT 115 PM EST. TWO VERY STRONG STORMS...ONE NORTHWEST OF LAFAYETTE AND THE OTHER NORTHWEST OF BROOKSTON IN WHITE COUNTY CONTINUED TO MOVE ACROSS THE AREA. DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL WILL OCCUR WITH THESE STORMS. HAIL AND STRONG WINDS ARE ALSO LIKELY. PERSONS IN THE LAFAYETTE AN4D BROOKSTON SHOULD BE ALERT FOR THREATENING WEATHER CONDITIONS AS THESE STORMS MOVE EAST AT 20 MPH. ECY
Local storm report, Jun 1, 1:36 PM EST, 25 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
135 PM EST MON JUN 1 1987
130 PM EST TWO CIVIL DEFENSE OBSERVERS REPORTED GOLFBALL AND BASEBALL
SIZE HAIL FROM OTTERBEIN TO 4 MILES NOORTHWEST OF OTTERBEIN
IN EXTREME SOUTHEAST BENTON COUNTY.
DSThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:27 PM EST | Severe Thunderstorm Warning | IND | Tippecanoe | 33 min |
| Jun 1, 3:00 PM EST | Severe Thunderstorm Warning | IND | Fountain, Vermillion | 45 min |
| Jun 1, 3:08 PM EST | Severe Thunderstorm Warning | IND | Boone, Clinton | 27 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.