Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 113, NWS Indianapolis, IN

June 29, 1998Vermillion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 29, 1998, 7:02 PM EST for Vermillion County, Indiana. It was in force for 33 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 29, 1998, 7:02 PM EST (00:02 UTC)
Expired: Jun 29, 1998, 7:35 PM EST
In force: 33 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Vermillion County, 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 29, 3:15 PM EST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.0 hours before the alert went out and 317 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: 397 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1435 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 146 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

241 
WUUS1 KIND 300003 RRA
SVRIND
INC165-300035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
702 PM EST MON JUN 29 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  VERMILLION COUNTY IN WEST CENTRAL INDIANA

* UNTIL 735 PM EST

* AT 655 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM FROM TERRE HAUTE TO LAFAYETTE. SEVERE WINDS
  BEHIND STORMS... MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  HILLSDALE AT 705 PM
  NEWPORT AT 708PM

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.

SJH

WHEN THUNDERSTORMS ARE OCCURRING... PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 7:01 PM EST	Severe Thunderstorm Warning	IND	Clay, Putnam	34 min
Jun 29, 7:01 PM EST	Severe Thunderstorm Warning	IND	Montgomery	34 min
Jun 29, 7:15 PM EST	Flash Flood Warning	IND	Clay, Owen	3 hr
Jun 29, 7:27 PM EST	Severe Thunderstorm Warning	IND	Hendricks	33 min
Jun 29, 7:34 PM EST	Severe Thunderstorm Warning	IND	Montgomery	31 min
Jun 29, 7:38 PM EST	Severe Thunderstorm Warning	IND	Marion	47 min
Jun 29, 7:53 PM EST	Severe Thunderstorm Warning	IND	Greene	32 min
Jun 29, 8:01 PM EST	Tornado Warning	IND	Daviess	34 min
Jun 29, 8:04 PM EST	Severe Thunderstorm Warning	IND	Johnson	51 min
Jun 29, 8:08 PM EST	Severe Thunderstorm Warning	IND	Hancock, Shelby	47 min
Jun 29, 8:22 PM EST	Tornado Warning	IND	Lawrence	33 min
Jun 29, 8:29 PM EST	Severe Thunderstorm Warning	IND	Bartholomew	36 min
Jun 29, 8:45 PM EST	Severe Thunderstorm Warning	IND	Jackson, Jennings	45 min
Jun 29, 8:45 PM EST	Severe Thunderstorm Warning	IND	Lawrence	45 min
Jun 29, 8:51 PM EST	Severe Thunderstorm Warning	IND	Jackson, Jennings	49 min
Jun 29, 8:51 PM EST	Severe Thunderstorm Warning	IND	Decatur	49 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; the sounding from the Mesonet's radiosonde archive.