Alert archive / Indiana / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 28, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Aug 26, 1986, 7:04 PM EST for Grant County, Indiana. It was in force for 41 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
- Aug 26, 1986, 7:04 PM EST (00:04 UTC)
- Expired
- Aug 26, 1986, 7:45 PM EST
- In force
- 41 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
County Grant 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 |
|---|---|---|---|
| Aug 26, 7:06 PM EST | Thunderstorm Wind 0 | Grant, 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 00:00Z, 0.1 hours before the alert went out and 141 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
- 991 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 895 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 198 m²/s²
- 0-3 km storm-relative helicity
- 246 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 8.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KFWA 270004 SVRFWA INC179-001-053-270045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FORT WAYNE IN 704 PM EST TUE AUG 26 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF NORTHEAST INDIANA...WELLS...ADAMS AND GRANT AT 655 PM EST RADAR INDICATED A LINE OF THUNDERSTORMS FROM 10 MILES NORTH OF BLUFFTON TO NEAR MARION INDIANA MOVING TOWARDS THE EAST AT 30 MPH. THIS THUNDERSTORM WILL LIKELY PRODUCE WINDS IN EXCESS OF 60 MILES AN HOUR AND HAIL 3/4-INCH OR LARGER IN DIAMETER. REMEMBER THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT. MYERS
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, Aug 26, 3:31 PM EST, 3 hours 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SOUTH BEND IN 330 PM EST TUE AUG 26 1986 ...TORNADO WATCH IN EFFECT UNTIL 9PM EST..10PM EDT... AT 320 PM EST...THE LEDING EDGE OF A BAND OF THUNDERSTORMS..15 MILES WIDE..WAS ALONG THE EAST SHORE OF LAKE MICHIGAN FROM BENTON HARBOR MICHIGAN THROUGH MICHIGAN CITY INDIANA..TO 10 MILES NORTH OF CROWN POINT INDIANA. BRIEF VERY HEAVY RAIN..DANGEROUS LIGHTNING..AND POSSIBLE WIND GUSTS TO 45 MPH ACCOMPANY THESE STORMS. THE THUNDERTORMS WILL BE MOVING ACROSS SOUTHWEST LOWER MICHIGAN AND NORTH CENTRAL INDIANA AROUND 20 MPH AND ARE EXPECTED TO ARRIVE IN SOUTH BEND AROUND 430PM EST. PERSONS IN SOUTHWEST LOWER MICHIGAN AND NORTH CENTRAL INDIANA SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY IF DANGEROUS WEATHER CONDITIONS ARE SIGHTED. MOWERY
Special weather statement, Aug 26, 3:57 PM EST, 3 hours 7 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WAYNE IN 356 PM EST TUE AUG 26 1986 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST INDIANA UNTIL 9 PM EST THIS EVENING... AT 354 PM EST NO THUNDERSTORMS WERE OCCURRING IN NORTHEAST INDIANA. HOWEVER..THUNDERSTORMS NOW MOVING INTO NORTHWEST INDIANA WILL MOVE INTO PORTIONS OF NORTHEAST INDIANA DURING THE NEXT 2 TO 3 HOUR PERIOD. RESIDENTS OF NORTHEAST INDIANA SHOULD REMAIN ALERT TO POSSIBLE SEVERE WEATHER DEVELOPMENT AS WE PROCEED INTO THE EARLY EVENING HOURS. MARSHALL SEVERE WEATHER DEVELOPMENT. MARSHALL
Special weather statement, Aug 26, 4:13 PM EST, 2 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SOUTH BEND IN 410 PM EST TUE AUG 26 1986 ...TORNADO WATCH IN EFFECT UNTIL 9PM EST..10PM EDT... AT 400 PM EST...A BAND OF THUNDERSTORMS..20 MILES WIDE..STRETCHED ACROSS SOUTHWEST LOWER MICHIGAN AND NORTHWEST INDIANA FROM KALAMAZOO MICHIGAN TO 20 MILES SOUTH OF GARY INDIANA. THE BAND OF THUNDERSTORMS WAS MOVING SOUTHEST AT 20 MPH. HEAVIEST THUNDERSTORMS WERE 10 TO 15 MILES NORTH OF SOUTH BEND..NEAR BUCHANAN MICHIGAN AND CASSOPOLIS MICHIGAN.. BRIEF VERY HEAVY RAIN..FLOODING STREETS AND LOW LYING AREAS..DANGEROUS LIGHTNING..AND POSSIBLY SOME STRONG GUSTY WINDS..ACCOMPANY THESE THUNDERSTORMS. PERSONS IN SOUTHWEST LOWER MICHIGAN AND NORTH CENTRAL INDIANA SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY IF DANGEROUS WEATHER CONDITIONS ARE SIGHTED. MOWERY
Special weather statement, Aug 26, 4:51 PM EST, 2 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WAYNE IN 450 PM EST TUE AUG 26 1986 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF NORTHEAST INDIANA UNTIL 9 PM EST THIS EVENING... AT 446 PM EST A LINE OF STRONG THUNDERSTORMS EXTENDED FROM 25 MILES NORTH OF KENDALLVILLE TO 35 MILES WEST OF ALBION IN NORTHEAST INDIANA. THESE THUNDERSTORMS WERE MOVING EAST AT 30 MPH AND CONTAINED VERY HEAVY RAIN..STRONG GUSTY WINDS..AND DANGEROUS LIGHTNING. BY 545 PM EST THESE THUNDERSTORMS WILL EXTEND FROM 10 MILES NORTHEAST OF ANGOLA TO NEAR ALBION TO 20 MILES WEST OF COLUMBIA CITY. PERSONS IN NORTHEAST INDIANA SHOULD BE ALERT TO POSSIBLE SEVERE WEATHER DEVELOPMENT. MARSHALL
Special weather statement, Aug 26, 5:14 PM EST, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SOUTH BEND IN 510 PM EST TUE AUG 26 1986 ...TORNADO WATCH CANCELLED FOR BERRIEN AND CASS COUNTIES OF SOUTHWEST LOWER MICHIGAN.. ...TORNADO WATCH REMAINES IN EFFECT FOR ST JOSEPH COUNTY MICHIGAN AND NORTHERN INDIANA. AT 500 PM EST...THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE IN A LINE 10 MILES WIDE FROM STURGIS MICHIGAN THROUGH ELKHART INDIANA TO PLYMOUTH INDIANA. THE HEAVY DOUWNPOURS WITH THESES THUNDERTORMS WILL LIKELY CAUSE MINOR FLOODING OF STREETS..INTERSECTIONS..AND UNDERPASSES. OTHER SHOWERS AND THUNDERSTORMS WERE OCCURRING OVER SOUTHERN LOWER MICHIGAN..NORTH CENTRAL AND NORTHWEST INDIANA IN AN BAND 40 MILES WIDE FROM LANSING M0ICHIGAN TO 30 MILES SOUTH OF GARY INDIANA. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST SOUTHEAST AROUND 30 MPH. MOWERY
Special weather statement, Aug 26, 6:40 PM EST, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SOUTH BEND IN
635 PM EST TUE AUG 26 1986
...TORNADO WATCH CANCELLED FOR THE NORTH CENTRAL INDIANA COUNTIES OF
LAPORTE..STARKE..ST JOSEPH..ELKHART..MARSHALL..PULASKI..FULTON..AND
KOSCIUSKO..AND IS NO LONGER IN EFFECT FOR SOUTHWEST LOWER MICHIGAN...
AT 630 PM EST...A BAND OF THUNDERSTORMS 20 MILES WIDE EXTENDED FROM
NORTHEAST INDIANA NEAR ANGOLA TO LAFAYETTE INDIANA.
ALTHOUGH SOME SHOWERS CONTIN{UE OVER THE SOUTHERN SECTIONS OF KOSCUISKO
AND FULTON COUNTIES OF NORTH CENTRAL INDIANA THEY ARE NOT EXPECTED
TO BECOME SEVERE.
THE BAND OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 30 MPH.
MOWERYThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 7:04 PM EST | Severe Thunderstorm Warning | IWX | Adams, Wells | 41 min |
| Aug 26, 7:08 PM EST | Tornado Warning | IWX | Adams | 37 min |
| Aug 26, 7:50 PM EST | Severe Thunderstorm Warning | IWX | Jay | 40 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1986Every severe thunderstorm warning in 1986
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.