Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 192, NWS Indianapolis, IN

December 6, 1998Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Dec 6, 1998, 10:07 PM EST for Madison County, Indiana. It was in force for 48 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: Dec 6, 1998, 10:07 PM EST (03:07 UTC)
Expired: Dec 6, 1998, 10:55 PM EST
In force: 48 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Madison County, IN

What was reported inside it

Time	Report	Where	Remark
Dec 6, 10:41 PM EST	Thunderstorm Wind 60	Frankton, 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
Dec 6, 10:00 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.1 hours before the alert went out and 183 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: 6 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1109 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 397 m²/s²
0-3 km storm-relative helicity: 409 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

406 
WUUS1 KIND 070317
SVRIND
INC095-097-070355-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1007 PM EST SUN DEC 6 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN CENTRAL INDIANA
  MARION COUNTY IN CENTRAL INDIANA

* UNTIL 1055 PM EST

* AT 1005 PM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF THUNDERSTORMS FROM 10 MILES EAST OF KOKOMO
  TO NEAR BROWNSBURG...MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORMS ARE EXPECTED TO BE NEAR...
  TRADERS POINT AT 1015 PM
  CASTLETON AT 1035 PM
  ANDERSON AT 1035 PM


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.

RK

...CORRECTED WORDING TO REMOVE MENTION OF TORNADO FROM WARNING...
   ...NO TORNADOES HAVE BEEN REPORTED...

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 6, 9:11 PM EST	Severe Thunderstorm Warning	IND	Montgomery, Parke, Putnam, Tippecanoe	29 min
Dec 6, 9:11 PM EST	Severe Thunderstorm Warning	IND	Clay, Sullivan, Vigo	29 min
Dec 6, 9:22 PM EST	Severe Thunderstorm Warning	IND	Boone, Carroll, Clinton, Howard	28 min
Dec 6, 9:22 PM EST	Severe Thunderstorm Warning	IND	Hendricks	28 min
Dec 6, 9:37 PM EST	Severe Thunderstorm Warning	IND	Clay, Putnam	33 min
Dec 6, 9:43 PM EST	Severe Thunderstorm Warning	IND	Hamilton	47 min
Dec 6, 9:45 PM EST	Severe Thunderstorm Warning	IND	Knox	50 min
Dec 6, 9:47 PM EST	Severe Thunderstorm Warning	IND	Tipton	43 min
Dec 6, 9:54 PM EST	Severe Thunderstorm Warning	IND	Hendricks	46 min
Dec 6, 9:54 PM EST	Severe Thunderstorm Warning	IND	Owen	46 min
Dec 6, 9:58 PM EST	Severe Thunderstorm Warning	IND	Greene	62 min
Dec 6, 10:07 PM EST	Severe Thunderstorm Warning	IND	Marion	48 min
Dec 6, 10:14 PM EST	Severe Thunderstorm Warning	IND	Morgan	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.