Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 149, NWS Indianapolis, IN

August 24, 1998Carroll County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 24, 1998, 4:05 PM EST for Carroll County, Indiana. It was in force for 35 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, 4:05 PM EST (21:05 UTC)
Expired
Aug 24, 1998, 4:40 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Carroll County, IN

The watch it was issued in

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

IssuedProductOfficeLasted
Aug 24, 2:00 PM ESTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.1 hours before the alert went out and 179 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.

066 
WUUS1 KIND 242106 RRA
SVRIND
INC015-242140-

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

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARROLL COUNTY IN NORTH CENTRAL INDIANA

* UNTIL 440 PM EST

* AT 400 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM NEAR MONTICELLO... MOVING SOUTHEAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  YEOMAN AT 405 PM EST
  CAMDEN AT 415 PM EST
  FLORA AT  420 PM EST

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


DO NOT TOUCH DOWNED OR BROKEN POWER LINES. DO NOT HANDLE LIVE
ELECTRIC EQUIPMENT IN WET AREAS. REPORT BROKEN UTILITY LINES TO
THE APPROPRIATE AUTHORITIES.

JEH

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

Special weather statement, Aug 24, 11:20 AM EST, 4 hours 45 minutes before
INZ021-028>031-035>075-080-251000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1120 AM EST MON AUG 24 1998

THE SEVERE STORMS PREDICTION CENTER HAS PLACED THE NORTHERN HALF OF
INDIANA UNDER A MODERATE RISK OF SEVERE THUNDERSTORMS AND MOST OF THE
SOUTHERN HALF UNDER A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS
AFTERNOON AND TONIGHT.

A COLD FRONT FROM SOUTHERN WISCONSIN INTO CENTRAL IOWA WILL MOVE
SLOWLY SOUTHEASTWARD THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS
DEVELOPED ALONG THIS FRONT LAST NIGHT AND CONTINUE TO MOVE EASTWARD
INTO NORTHERN ILLINOIS LATE THIS MORNING. THUNDERSTORMS ARE EXPECTED
TO CONTINUE TO MARCH EAST INTO NORTHERN PARTS OF INDIANA THIS
AFTERNOON AND SPREAD SOUTHWARD INTO CENTRAL AREAS BY EVENING.

THE MAIN THREAT OF SEVERE WEATHER WITH THESE STORMS WILL BE DAMAGING
WINDS AND LARGE HAIL. THE ORIGINAL THREAT OF SEVERE WEATHER WILL
BEGIN BY MID TO LATE AFTERNOON IN NORTHWEST AND NORTH CENTRAL INDIANA
AND WILL MOVE EAST ACROSS THE STATE THROUGH THE EVENING.

ANOTHER ROUND OF THUNDERSTORMS IS POSSIBLE OVERNIGHT OVER THE
NORTHERN AND CENTRAL PART OF THE STATE AS YET ANOTHER WEATHER
DISTURBANCE MOVES INTO INDIANA. THE SECOND ROUND OF STORMS MAY YIELD
SOME SEVERE THUNDERSTORMS TOO.

STORM SPOTTER ACTIVATION IS POSSIBLE OVER PARTS OF NORTHERN AND
CENTRAL INDIANA LATE THIS AFTERNOON AND TONIGHT.

EDDY
Special weather statement, Aug 24, 11:20 AM EST, 4 hours 45 minutes before
INZ021-028>031-035>075-080-251000-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1120 AM EST MON AUG 24 1998

THE SEVERE STORMS PREDICTION CENTER HAS PLACED THE NORTHERN HALF OF
INDIANA UNDER A MODERATE RISK OF SEVERE THUNDERSTORMS AND MOST OF THE
SOUTHERN HALF UNDER A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS
AFTERNOON AND TONIGHT.

A COLD FRONT FROM SOUTHERN WISCONSIN INTO CENTRAL IOWA WILL MOVE
SLOWLY SOUTHEASTWARD THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS
DEVELOPED ALONG THIS FRONT LAST NIGHT AND CONTINUE TO MOVE EASTWARD
INTO NORTHERN ILLINOIS LATE THIS MORNING. THUNDERSTORMS ARE EXPECTED
TO CONTINUE TO MARCH EAST INTO NORTHERN PARTS OF INDIANA THIS
AFTERNOON AND SPREAD SOUTHWARD INTO CENTRAL AREAS BY EVENING.

THE MAIN THREAT OF SEVERE WEATHER WITH THESE STORMS WILL BE DAMAGING
WINDS AND LARGE HAIL. THE ORIGINAL THREAT OF SEVERE WEATHER WILL
BEGIN BY MID TO LATE AFTERNOON IN NORTHWEST AND NORTH CENTRAL INDIANA
AND WILL MOVE EAST ACROSS THE STATE THROUGH THE EVENING.

ANOTHER ROUND OF THUNDERSTORMS IS POSSIBLE OVERNIGHT OVER THE
NORTHERN AND CENTRAL PART OF THE STATE AS YET ANOTHER WEATHER
DISTURBANCE MOVES INTO INDIANA. THE SECOND ROUND OF STORMS MAY YIELD
SOME SEVERE THUNDERSTORMS TOO.

STORM SPOTTER ACTIVATION IS POSSIBLE OVER PARTS OF NORTHERN AND
CENTRAL INDIANA LATE THIS AFTERNOON AND TONIGHT.

EDDY

The office that day

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

IssuedProductOfficeCountiesLasted
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, 5:29 PM ESTSevere Thunderstorm WarningINDBoone46 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.