Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 157, NWS Indianapolis, IN

September 26, 1986Elkhart County, Saint Joseph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Sep 26, 1986, 2:48 PM EST for Elkhart County, Saint Joseph County, Indiana. It was in force for 52 min. 2 reports 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
Sep 26, 1986, 2:48 PM EST (19:48 UTC)
Expired
Sep 26, 1986, 3:40 PM EST
In force
52 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Elkhart 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

TimeReportWhereRemark
Sep 26, 3:00 PM ESTHail 0.75St. Joseph, IN
Sep 26, 3:10 PM ESTThunderstorm Wind 70Elkhart, 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, 7.8 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.

Skew-T log-pSkew-T log-p diagram, Dayton/James M C, OH at 12:00Z on 1986-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 12:00Z on 1986-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 56 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
56 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSBN 261948
SVRSBN
INC141-039-262040-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SOUTH BEND IN
248 PM EST FRI SEP 26 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 340 PM EST FOR PEOPLE IN THE FOLLOWING 
COUNTIES OF

NORTH CENTRAL INDIANA...ST JOSEPH AND ELKHART

AT 2 38PM EST ST JOSEPH COUNTY INDIANA CIVIL DEFENSE REPORTED 3/4
INCH DIAMETER HAIL AT US 31 AND PENDLE ST. IN ROSELAND INDIANA
ON THE NORTH SIDE OF SOUTH BEND.  RAMADA INN WAS REPORTED TO
HAVE BEEN STRUCK BY LIGHTNING ABOUT THE SAME TIME.

THE THUNDERSTORMS ARE MOVING EAST AT 30 MPH AND WILL BE MOVING
THROUGH ELKHART COUNTY INDIANA BY 340 PM EST.

THIS STORM IS CAUSING INTENSE LIGHTNING AND STRONG GUSTY WINDS. YOU
SHOULD SEEK INDOOR SHELTER AND STAY AWAY FROM PLUMBING AND APPLIANCES

REMEMBER THESE STORMS CAN AND OCCASIONALLY DO 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.

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, Sep 26, 2:04 PM EST, 44 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
200 PM EST FRI SEP 26 1986

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MOST OF NORTHERN INDIANA
UNTIL 800PM EST.

SHORTLY BEFORE 2PM EST A CLUSTER OF STRONG THUNDERSTORMS WAS LOCATED
WEST AND SOUTHWEST OF LAFAYETTE AND MOVING TOWARDS LAFAYETTE.
OTHER STRONG THUNDERSTORMS WERE NEAR RENSSELAER. THE STATE POLICE
ESTIMATED WINDS OF 50 MPH 7 MILES NORTHWEST OF RENSSELAER AT 154PM EST.

PERSONS IN NORTHERN INDIANA SHOULD BE PREPARED TO SEEK SHELTER QUICKLY
IF THREATENING CONDITIONS ARE SIGHTED.
EDWARDS

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 26, 2:30 PM ESTSevere Thunderstorm WarningINDMonroe30 min
Sep 26, 2:40 PM ESTSevere Thunderstorm WarningINDCarroll, Cass35 min
Sep 26, 3:41 PM ESTSevere Thunderstorm WarningINDHoward, Miami34 min
Sep 26, 4:45 PM ESTSevere Thunderstorm WarningINDHenry, Randolph30 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.