Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 153, NWS Indianapolis, IN

August 24, 1998Boone County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 24, 1998, 5:29 PM EST for Boone County, Indiana. It was in force for 46 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
Aug 24, 1998, 5:29 PM EST (22:29 UTC)
Expired
Aug 24, 1998, 6:15 PM EST
In force
46 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Boone County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 10.5 hours before the alert went out and 182 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 12:00Z on 1998-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 380 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 1998-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.19395878Sfc1 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
380 J/kg
Mixed-layer CIN
-343 J/kg
Mixed-layer LCL
1993 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
231 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 242229 RRA
SVRIND
INC011-242315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
529 PM EST MON AUG 24 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOONE COUNTY IN CENTRAL INDIANA

* UNTIL 615 PM EST

* AT 530 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 15 MILES NORTHWEST OF LEBANON... MOVING
  SOUTHEAST4 AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THORNTOWN BY 540 PM EST
  LEBANON BY 550 PM EST
  ZIONSVILLE BY 610 PM EST

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

EDDY

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 24, 4:05 PM ESTSevere Thunderstorm WarningINDCarroll35 min
Aug 24, 4:44 PM ESTSevere Thunderstorm WarningINDHoward16 min
Aug 24, 5:13 PM ESTSevere Thunderstorm WarningINDMontgomery, Tippecanoe47 min
Aug 24, 5:16 PM ESTSevere Thunderstorm WarningINDDelaware, Madison34 min
Aug 24, 5:38 PM ESTSevere Thunderstorm WarningINDFountain, Montgomery, Parke37 min
Aug 24, 5:48 PM ESTSevere Thunderstorm WarningINDHenry, Randolph32 min
Aug 24, 6:04 PM ESTSevere Thunderstorm WarningINDHamilton, Hendricks, Marion46 min
Aug 24, 6:08 PM ESTSevere Thunderstorm WarningINDParke, Putnam32 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; the sounding from the Mesonet's radiosonde archive.