Alert archive / Indiana / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 20, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 30, 1987, 3:58 PM EST for Marshall County, Saint Joseph County, Indiana. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- May 30, 1987, 3:58 PM EST (20:58 UTC)
- Expired
- May 30, 1987, 4:45 PM EST
- In force
- 47 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Marshall 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 12:00Z, 9.0 hours before the alert went out and 247 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
- NaN m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- -11 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 302058 SVRSBN INC141-099-302145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SOUTH BEND IN 358 PM EST SAT MAY 30 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTH CENTRAL INDIANA...SOUTHERN ST JOSEPH AND NORTHERN MARSHALL AT 350PM EST RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 15 MILES SOUTH OF SOUTH BEND MOVING TOWARD THE NORTHEAST AT 25 MILES AN HOUR. INDIANA STATE POLICE AT BREMAN INDIANA REPORTED WIND GUSTS OF 50 TO 60 MILES AN HOUR AT 350PM EST. THIS STORM IS CAUSING INTENSE LIGHTNING AND STRONG GUSTY WIND. YOU SHOULD SEEK INDOOR SHELTER AND STAY AWAY FROM PLUMBING OR APPLIANCES. 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. THIS SLOW MOVING THUNDERSTORM -MAY CAUSE FLOODING OF SMALL STREAMS AND UNDERPASSES. SAVAGE
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, May 30, 1:54 PM EST, 2 hours 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 155 PM EST SAT MAY 30 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL OF INDIANA UNTIL 700 PM EST... AN AREA OF VERY STRONG THUNDERSTORMS WAS MOVING THROUGH WESTERN INDIANA. AT 145 PM THE THUNDERSTORMS WERE ALONG A LINE FROM LAFAYETTE TO GREENCASTLE TO BLOOMFIELD. THESE THUNDERSTORMS PRODUCED 1/4 INCH HAIL IN TERRE HAUTE AND ONE AND A THIRD INCHES OF RAIN IN ONE HOUR AT PETERSBURG AND EVANSVILLE. WINDS ALSO GUSTED TO 60 MILES AN HOUR AT EVANSVILLE AT SHORTLY BEFORE 100 PM. THESE STORMS WILL PRODUCE RAINFALL FROM 1 TO 1 1/2 INCHES IN LESS THAN 1 HOUR ALONG WITH HAIL...INTENSE LIGHTNING AND GUSTY WINDS. THESE STORMS WERE MOVING NORTHEAST AT 20 MILES AN HOUR. THEY WILL MOVE INTO THE CRAWFORDSVILLE AND SPENCER AREAS BY 230 PM. PERSONS THROUGHOUT INDIANA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS TODAY. HAINES
Special weather statement, May 30, 2:42 PM EST, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 140 PM EST SAT MAY 30 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF INDIANA UNTIL 700 PM EST... AN AREA OF VERY STRONG THUNDERSTORMS WAS MOVING INTO CENTRAL INDIANA. AT 230 PM THE THUNDERSTORMS EXTENDED FROM FRANKFORT TO HENDRICKS COUNTY WHICH IS THE COUNTY JUST WEST OF INDIANAPOLIS TO MARTINSVILLE AND BLOOMINGTON. THESE THUNDERSTORMS CONTAIN EXTREMELY HEAVY RAINFALL...VERY GUSTY WINDS AND HAIL. CARS WERE BEING FORCED OFF INTERSTATE 70 IN PUTNAM COUNTY BY THE RAIN AND WINDS. THE THUNDERSTORMS WILL MOVE INTO WESTERN INDIANAPOLIS BY 300 PM AND INTO THE EASTERN SECTIONS BY 330 PM. VERY GUSTY WINDS CAN ALSO BE EXPECTED IN BOONE AND HAMILTON COUNTIES BY 330 PM. THE SEVERE THUNDERSTORM WAS IS NO LONGER IN EFFECT FOR THE AREA WEST OF A LINE 20 MILES WEST OF LAFAYETTE TO 20 MILES EAST OF EVANSVILLE. HAINES
Special weather statement, May 30, 2:51 PM EST, 1 hour 7 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION IN HEADER AND LAST PARA NATIONAL WEATHER SERVICE INDIANAPOLIS IN 250 PM EST SAT MAY 30 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF INDIANA UNTIL 700 PM EST... AN AREA OF VERY STRONG THUNDERSTORMS WAS MOVING INTO CENTRAL INDIANA. AT 230 PM THE THUNDERSTORMS EXTENDED FROM FRANKFORT TO HENDRICKS COUNTY WHICH IS THE COUNTY JUST WEST OF INDIANAPOLIS TO MARTINSVILLE AND BLOOMINGTON. THESE THUNDERSTORMS CONTAIN EXTREMELY HEAVY RAINFALL...VERY GUSTY WINDS AND HAIL. CARS WERE BEING FORCED OFF INTERSTATE 70 IN PUTNAM COUNTY BY THE RAIN AND WINDS. THE THUNDERSTORMS WILL MOVE INTO WESTERN INDIANAPOLIS BY 300 PM AND INTO THE EASTERN SECTIONS BY 330 PM. VERY GUSTY WINDS CAN ALSO BE EXPECTED IN BOONE AND HAMILTON COUNTIES BY 330 PM. THE SEVERE THUNDERSTORM WATCH IS NO LONGER IN EFFECT FOR THE AREA WEST OF A LINE 20 MILES WEST OF LAFAYETTE TO 20 MILES EAST OF EVANSVILLE. HAINES
Special weather statement, May 30, 3:35 PM EST, 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 325 PM EST SAT MAY 30 1987 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR CENTRAL AND EASTERN INDIANA UNTIL 700 PM EST... VERY STRONG WINDS WERE OCCUR IN CENTRAL INDIANA. AT 245 PM WINDS GUSTED TO 47 MILES AN HOUR AT THE INDIANAPOLIS INTERNATIONAL AIRPORT. AS THESE WINDS BLEW THROUGH INDIANAPOLIS THEY CAUSED SOME TREES TO BLOW OVER. THIS SUDDEN INCREASE IN WIND SPEEDS CAUSED NUMEROUS BOATS TO CAPSIZE ON EAGLE CREEK RESERVOIR. WIND GUSTS AS REPORTED BY THE INDIANPOLIS POWER AND LIGHT GUST RECORDERS AROUND MARION COUNTY AVERAGED AROUND 50 MPH. SIX PLANES WERE OVERTURNED AT METRO AIRPORT. THESE GUSTY WINDS WERE AHEAD OF A LINE OF THUNDERSTORMS THAT WERE MOVING THROUGH CENTRAL INDIANA. AT 315 PM THE THUNDERSTORMS WERE NORTH SOUTH THROUGH INDIANAPOLIS. RAINFALL UP TO 1 1/2 INCHES IN ONE HOUR CAN BE EXPECTED WITH THESE THUNDERSTORMS. EASTERN INDIANA SHOULD BE ALERT FOR VERY GUSTY WINDS WHILE CENTRAL INDIANA SHOULD BE ALERT FOR VERY HEAVY RAINFALL. THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THAT PORTION OF INDIANA EAST OF A LINE FROM 20 MILES WEST OF SOUTH BEND TO 30 MILES WEST OF INDIANAPOLIS TO BLOOMINGTON TO 30 MILES WEST OF LOUISVILLE. HAINES
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:17 PM EST | Severe Thunderstorm Warning | IND | Hendricks | 28 min |
| May 29, 7:42 PM EST | Severe Thunderstorm Warning | IND | Boone | 33 min |
| May 30, 3:42 PM EST | Severe Thunderstorm Warning | IND | Hancock, Madison | 48 min |
| May 30, 3:51 PM EST | Severe Thunderstorm Warning | IND | Decatur | 59 min |
| May 30, 4:06 PM EST | Tornado Warning | IND | Rush | 44 min |
| May 30, 4:22 PM EST | Severe Thunderstorm Warning | IND | Elkhart, Saint Joseph | 38 min |
| May 30, 4:34 PM EST | Severe Thunderstorm Warning | IND | Henry, Wayne | 46 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.