Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 72, NWS Indianapolis, IN

June 12, 1998Randolph County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 12, 1998, 7:10 PM EST for Randolph County, Indiana. It was in force for 35 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 12, 1998, 7:10 PM EST (00:10 UTC)
Expired: Jun 12, 1998, 7:45 PM EST
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Randolph County, IN

What was reported inside it

Time	Report	Where	Remark
Jun 12, 7:10 PM EST	Thunderstorm Wind 52	Central Portion, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 12, 3:45 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.2 hours before the alert went out and 131 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2064 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 1235 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 17.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KIND 130010 RRA
SVRIND
INC135-130045-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
710 PM EST FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RANDOLPH COUNTY IN EAST CENTRAL INDIANA

* UNTIL 745 PM EST

* AT 708 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES WEST OF WINCHESTER... MOVING EAST AT 45
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WINCHESTER BY 715 PM
  UNION CITY BY 725 PM

GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! A TORNADO
WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO
PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING.

A SPOTTER REPORTED A LARGE TREE BLOWN DOWN IN FARMLAND OR 10
MILES WEST OF WINCHESTER AROUND 705 PM EST.

EDDY

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

Local storm report, Jun 12, 5:40 PM EST, 1 hour 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
540 PM EST FRI JUN 12 1998

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0445 PM    BATTLEGROUND              IN   WIND DAMAGE
06/12/98   TIPPECANOE                     SEVERAL TREES DOWN

0520 PM    FLORA                     IN   WIND DAMAGE
06/11/98   CARROLL                        COUPLE OF TREES DOWN

DRT

Local storm report, Jun 12, 5:40 PM EST, 1 hour 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
540 PM EST FRI JUN 12 1998

TIME(EST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0445 PM    BATTLEGROUND              IN   WIND DAMAGE
06/12/98   TIPPECANOE                     SEVERAL TREES DOWN

0520 PM    FLORA                     IN   WIND DAMAGE
06/11/98   CARROLL                        COUPLE OF TREES DOWN

DRT

Special weather statement, Jun 12, 6:41 PM EST, 29 minutes before

INZ060>092-130500-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
641 PM EST FRI JUN 12 1998

...TORNADO WATCH FOR SOUTHERN INDIANA UNTIL MIDNIGHT EST...

A TORNADO WATCH HAS BEEN ISSUED FOR ALL OF SOUTHERN INDIANA UNTIL
MIDNIGHT EST. THE WATCH IS SOUTH OF A LINE FROM SULLIVAN TO
BLOOMINGTON TO BROOKVILLE IN FRANKLIN COUNTY. SOME CITIES IN THE
WATCH ARE EVANSVILLE...BEDFORD...BATESVILLE...VINCENNES AND JASPER.

VERY STRONG TO POSSIBLY SEVERE THUNDERSTORMS WILL MOVE THROUGH THE
AREA THIS EVENING. THESE STORMS HAVE A HISTORY OF PRODUCING WINDS
GUSTING IN EXCESS OF 50 MILES AN HOUR AND LARGE HAIL. TORNADOES ARE
ALSO POSSIBLE WITH THESE STORMS. RAINFALL AMOUNTS IN EXCESS ON 1 INCH
AN HOUR MY OCCUR. THE RAIN WILL ONLY LAST FOR AROUND 1 HOUR.

TORNADOE WATCHES CONTINIUE IN EFFECT FOR NORTHWEST AND NORTHCENTRAL
INDIANA UNTIL 9PM AND UNTIL 10PM FOR CENTRAL AND EASTERN INDIANA.

THIS IS A DANGEOUS SITUATION. BE PREPARED TO TAKE COVER QUICKLY.
LISTEN TO RELIABLE SOURCES SUCH AS WEATHER RADIO 2000 FOR THE LATES
STATEMENTS AND POSSIBLE WARNINGS.

HAINES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 7:16 PM EST	Severe Thunderstorm Warning	IND	Johnson, Morgan	49 min
Jun 12, 7:16 PM EST	Severe Thunderstorm Warning	IND	Rush, Shelby	49 min
Jun 12, 7:39 PM EST	Severe Thunderstorm Warning	IND	Decatur	46 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998 Every severe thunderstorm warning in 1998

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.