Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 78, NWS Indianapolis, IN

June 18, 1998Carroll County, Tippecanoe County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jun 18, 1998, 10:07 PM EST for Carroll County, Tippecanoe County, Indiana. It was in force for 48 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 18, 1998, 10:07 PM EST (03:07 UTC)
Expired
Jun 18, 1998, 10:55 PM EST
In force
48 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

Counties Carroll County, IN, Tippecanoe County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 03:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 18, 7:30 PM ESTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 3.1 hours before the alert went out and 163 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 1998-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2675 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 00:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 115 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
2675 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
115 m²/s²
0-3 km storm-relative helicity
219 m²/s²
Significant tornado parameter
1.7
Supercell composite
17.5

Open this sounding in Storm Lab

The text

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

644 
WUUS1 KIND 190308 RRA
SVRIND
INC015-157-190355-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1007 PM EST THU JUN 18 1998

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

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

* UNTIL 1055 PM EST

* AT 1005 PM...SPOTTERS INDICATED A SEVERE THUNDERSTORM 20 MILES WEST
  OF LAFAYETTE... MOVING NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAFAYETTE
  DELPHI
  PITTSBURG

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS TREES WERE REPORTED DOWN IN
WILLIAMSPORT IN WARREN COUNTY.


SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL... DEADLY LIGHTNING... AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT
DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

LASHLEY
&

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 18, 10:16 PM ESTSevere Thunderstorm WarningINDParke, Vermillion, Vigo49 min
Jun 18, 10:37 PM ESTSevere Thunderstorm WarningINDClay33 min
Jun 18, 10:48 PM ESTSevere Thunderstorm WarningINDMontgomery, Putnam47 min
Jun 18, 11:15 PM ESTSevere Thunderstorm WarningINDHendricks, Morgan45 min
Jun 18, 11:36 PM ESTSevere Thunderstorm WarningINDHamilton, Johnson, Marion49 min
Jun 18, 11:49 PM ESTSevere Thunderstorm WarningINDHancock, Shelby31 min
Jun 18, 11:53 PM ESTSevere Thunderstorm WarningINDMadison32 min
Jun 18, 11:56 PM ESTSevere Thunderstorm WarningINDGreene, Monroe34 min
Jun 19, 12:01 AM ESTSevere Thunderstorm WarningINDBrown34 min
Jun 19, 12:09 AM ESTSevere Thunderstorm WarningINDDecatur, Henry, Rush46 min
Jun 19, 12:09 AM ESTSevere Thunderstorm WarningINDDelaware46 min
Jun 19, 12:09 AM ESTSevere Thunderstorm WarningINDBartholomew46 min
Jun 19, 12:25 AM ESTSevere Thunderstorm WarningINDKnox, Sullivan35 min
Jun 19, 12:34 AM ESTSevere Thunderstorm WarningINDRandolph31 min
Jun 19, 1:08 AM ESTSevere Thunderstorm WarningINDOwen, Putnam32 min
Jun 19, 1:19 AM ESTSevere Thunderstorm WarningINDHendricks, Monroe, Morgan31 min
Jun 19, 1:23 AM ESTSevere Thunderstorm WarningINDLawrence32 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; radar from the NEXRAD Level II archive.