Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 190, NWS Indianapolis, IN

December 6, 1998Owen County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Dec 6, 1998, 9:54 PM EST for Owen County, Indiana. It was in force for 46 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, 9:54 PM EST (02:54 UTC)
Expired
Dec 6, 1998, 10:40 PM EST
In force
46 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Owen County, IN

What was reported inside it

TimeReportWhereRemark
Dec 6, 10:15 PM ESTThunderstorm Wind 55Coal City, 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 nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 2.9 hours before the alert went out and 177 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, Lincoln, IL at 00:00Z on 1998-12-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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, Lincoln, IL at 00:00Z on 1998-12-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 397 square meters per square second.1939587897117136Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
397 m²/s²
0-3 km storm-relative helicity
729 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.

000 
TTAA00 KIND 070254 RRA
SVRIND
INC063-119-070340-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HENDRICKS COUNTY IN CENTRAL INDIANA
  OWEN COUNTY IN WEST CENTRAL INDIANA

* UNTIL 1040 PM EST

* AT 950 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM LINE OF THUNDERSTORMS FROM NEAR KOKOMO TO
  DANNVILLE TO NEAR VINCENNES... MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  DANVILLE AT 1005 PM
  SPENCER AT 1020 PM

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!


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

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 6, 9:11 PM ESTSevere Thunderstorm WarningINDMontgomery, Parke, Putnam, Tippecanoe29 min
Dec 6, 9:11 PM ESTSevere Thunderstorm WarningINDClay, Sullivan, Vigo29 min
Dec 6, 9:22 PM ESTSevere Thunderstorm WarningINDBoone, Carroll, Clinton, Howard28 min
Dec 6, 9:22 PM ESTSevere Thunderstorm WarningINDHendricks28 min
Dec 6, 9:37 PM ESTSevere Thunderstorm WarningINDClay, Putnam33 min
Dec 6, 9:43 PM ESTSevere Thunderstorm WarningINDHamilton47 min
Dec 6, 9:45 PM ESTSevere Thunderstorm WarningINDKnox50 min
Dec 6, 9:47 PM ESTSevere Thunderstorm WarningINDTipton43 min
Dec 6, 9:54 PM ESTSevere Thunderstorm WarningINDHendricks46 min
Dec 6, 9:58 PM ESTSevere Thunderstorm WarningINDGreene62 min
Dec 6, 10:07 PM ESTSevere Thunderstorm WarningINDMadison48 min
Dec 6, 10:07 PM ESTSevere Thunderstorm WarningINDMarion48 min
Dec 6, 10:14 PM ESTSevere Thunderstorm WarningINDMorgan46 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998Every 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.