Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 62, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 21, 1987, 8:38 PM CDT for LaPorte County, Saint Joseph County, Indiana. It was in force for 22 min.
The area
The counties it named.
The facts
- Issued
- Jun 21, 1987, 8:38 PM CDT (01:38 UTC)
- Expired
- Jun 21, 1987, 9:00 PM CDT
- In force
- 22 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties LaPorte County, IN, Saint Joseph 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 00:00Z, 1.6 hours before the alert went out and 270 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
- 27 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1226 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 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 KSBN 220138 SVRSBN INC091-141-220200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SOUTH BEND IN 838 PM EST SUN JUN 21 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 900 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL INDIANA...EASTERN LAPORTE AND SOUTHERN ST JOSEPH AT ABOUT 820PM EST LAPORTE COUNTY SHERRIF REPORTED A SEVERE THUNDERSTORM 15 MILES SOUTHWEST OF SOUTH BEND NEAR STATE ROAD 4. FUNNEL CLOUDS HAVE BEEN REPORTED WITH THIS STORM. THE STORM WAS MOVING SOUTHEAST AT ABOUT 20 MILES AN HOUR. THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES. THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY. REMEMBER THESE STORMS CAN AND OCCASIONALLY TO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING. REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE. CEK
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 21, 7:18 PM CDT, 1 hour 20 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 717 PM EST SUN JUN 21 1987 STRONG THUNDERSTORMS WERE MOVING INTO THE INDIANAPOLIS METROPOLITAN AREA AT 715 PM. THESE THUNDERSTORMS WILL PRODUCE TORRENTIAL RAINS AND BRIEF STRONG GUSTY WINDS AND DANGEROUS LIGHTNING AS THEY MOVE THROUGH THE CITY BETWEEN 715 AND 800 PM THIS EVENING. STRONG WINDS MAY SNAP SOME TREE LIMBS AND VERY HEAVY RAINS MAY FLOOD SOME CITY ROADS AND LOW LYING AREAS. MOTORISTS SHOULD BE ALERT TO POOR VISIBILITIES AND STANDING WATER ON STREETS. ALLSOPP NORTHEAST AT 20 MPH. HENDRICKSON
Special weather statement, Jun 21, 8:33 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT AND PRECIPITATION SUMMARY NATIONAL WEATHER SERVICE INDIANAPOLIS IN 830 PM EST SUN JUN 21 1987 AT 825 PM EST...SCATTERED THUNDERSTORMS CONTAINING VERY HEAVY RAIN WERE OVER CENTRAL INDIANA. A NARROW BAND OF VERY STRONG THUNDERSTORMS ABOUT 12 MILES WIDE EXTENDED FROM NEAR BLOOMINGTON TO 40 MILES WEST OF BLOOMINGTON. THESE THUNDERSTORMS WILL PRODUCE TORRENTIAL DOWNPOURS...GUSTY WINDS AND LOTS OF LIGHTNING AS THEY MOVE THROUGH THE BLOOMINGTON AREA. ALSO... BRIEF FLOODING OF SOME STREETS AND UNDERPASSES WILL BE LIKELY IN BLOOMINGTON. OTHER STRONG STORMS 25 MILES EAST AND SOUTHEAST OF DOWNTOWN INDIANAPOLIS OVER EASTERN HANCOCK AND NORTHEAST SHELBY COUNTIES WILL MOVE THROUGH HENRY AND RUSH COUNTIES BETWEEN 830 AND 915 PM EST. FREQUENT LIGHTNING VERY HEAVY RAIN AND GUSTY WINDS CAN BE EXPECTED IN THESE AREAS. . THESE PARTICULAR STORMS PRODUCED NEARLY AN INCH OF RAIN AT THE INDIANAPOLIS AIRPORT /0.96/ AND WIND GUSTS TO 33 MILES AN HOUR AS THEY MOVED THROUGH BETWEEN 715 AND 745 PM EST. ANOTHER STRONG STORM WAS 25 MILES SOUTHWEST OF LAFAYETTE. MOVEMENT WAS EAST AT 25 MILES AN HOUR. STEIGERWALDT
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 4:44 PM CDT | Severe Thunderstorm Warning | IND | Gibson | 31 min |
| Jun 22, 6:02 PM CDT | Severe Thunderstorm Warning | IND | Vanderburgh | 28 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.