Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 66, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 25, 1987, 1:04 PM CDT for LaPorte County, Saint Joseph County, Indiana. It was in force for 56 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 25, 1987, 1:04 PM CDT (18:04 UTC)
- Expired
- Jun 25, 1987, 2:00 PM CDT
- In force
- 56 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 1:10 PM CDT | Thunderstorm Wind 52 | La Porte, 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, 6.1 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 28 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 251804 SVRSBN INC091-141-251900- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SOUTH BEND IN 104 PM EST THU JUN 25 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL INDIANA...NORTHERN LAPORTE...NORTHERN ST JOSEPH AND THE CITY OF SOUTH BEND AT 1 PM EST RADAR INDICATED A SEVERE THUNDERSTORMS 15 MILES WEST OF SOUTH BEND INDIANA JUST NORTH OF LAPORTE INDIANA. THE SEVERE THUNDERSTORM WAS MOVING EAST AT 30 MPH. IF YOU ARE IN THE PATH OF THIS SEVERE THUNDERSTORM GET INTO A REIN- FORCED SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL... VERY HEAVY RAIN AND LIGHTNING. 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. MOWERY
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 25, 11:35 AM CDT, 1 hour 29 minutes before
REDEFING STATEMENT FOR SEVERE THUNDERSTORM WATCH 262 NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1130 AM EST THU JUN 25 1987 IN INDIANA THIS WATCH IS IN EFFECT UNTIL 500 PM EST AND INCLUDES MOST OF THE NORTHWEST HALF OF INDIANA. THE AREA IS NORTH OF A LINE FROM 20 MILE NORTHEAST OF FORT WAYNE TO 10 MILES SOUTH OF VINCENNES. THIS WATCH DOES NOT INCLUDE INCLUDE LAKE COUNTY IN EXTREME NORTHWEST INDIANA. SOME CITIES INCLUDED ARE..0.SOUTH BEND..FORT WAYNE...RENSSELAER... KOKOMO...LAFAYETE AND TERRE HAUTE. HENDRICKSON
Special weather statement, Jun 25, 12:00 PM CDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1202 PM EST THU JUN 25 1987 A SEVERE THUNDERSTORM WATCH COVERS THE NORTHWEST HALF OF INDIANA UNTIL 500 PM EST. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND ...FORT WAYNE...RENSSELAER...KOKOMO...LAFAYETTE AND TERRE HAUTE. AT THIS TIME THE WATCH DOES NOT INCLUDE INDIANAPOLIS. SHORTLY BEFORE NOONTIME A LINE OF STRONG THUNDERSTORMS WAS ENTERING NORTHWEST INDIANA. IN ADDITION A CLUSTER OF THUNDERSTORMS WAS FORMING IN EAST CENTRAL ILLINOIS ABOUT 35 MILES WEST AND 45 MILES SOUTHWEST OF LAFAYETTE. THE STORMS WILL MOVE EAST AT 30 MILES AN HOUR. PERSONS IN NORTHWEST AND WEST CENTRAL INDIANA SHOULD BE ALERT FOR THCE POSSIBILITY OF SEVERE THUNDERSTORMS EARLY THIS AFTERNOON. DAMAGING WINDS AND LARGE HAIL MAY OCCUR WITH THE STRONGER STORMS. LISTEN TO THIS STATION FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. EDWARDS
Special weather statement, Jun 25, 12:56 PM CDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS INDIANA 1255 PM EST THU JUN 25 1987 A SEVERE THUNDERSTORM WATCH COVERS THE NORTHWEST HALF OF INDIANA UNTIL 500 PM EST. SOME CITIES INCLUDED IN THE WATCH ARE SOUTH BEND ...FORT WAYNE...RENSSELAER...KOKOMO...LAFAYETTE AND TERRE HAUTE. REMEMBER A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN OR NEAR THE WATCH AREA. AT 1245 PM EST THUNDERSTORMS HAD MOVED INTO NORTHWEST AND WEST CENTRAL INDIANA. THUNDERSTORMS WERE 25 MILES NORTH OF LAFAYETTE TO NORTH OF DANVILLE ILLINOIS AND BACK TO CHAMPAIGN ILLINOIS. A SMALL CLUSTER OF THUNDERSHOWERS WAS ABOUT 10 MILES NORTH OF TERRE HAUTE. THE THUNDERSTORMS WERE MOVING EAST AT 25 MILES AN HOUR AND COULD BECOME SEVERE THIS AFTERNOON. PERSONS IN NORTH AND WEST CENTRAL INDIANA SHOULD BE AWARE OF THE POTENTIAL FOR SEVERE THUNDERSTORMS AND BE PREPARED TO SEEK SHELTER INDOORS IF THUNDERSTORMS APPROACH YOUR AREA. EDWARDS
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 2:31 PM CDT | Severe Thunderstorm Warning | IND | Clay, Putnam | 44 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.