Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 37, NWS Northern Indiana

May 29, 1998Elkhart County, Marshall County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at May 29, 1998, 12:44 AM EST for Elkhart County, Marshall County, Indiana. It was in force for 51 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
May 29, 1998, 12:44 AM EST (05:44 UTC)
Expired
May 29, 1998, 1:35 AM EST
In force
51 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Elkhart County, IN, Marshall County, IN

What was reported inside it

TimeReportWhereRemark
May 29, 1:00 AM ESTThunderstorm Wind 50Elkhart, 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

Detroit, MI (KDTX), launched 00:00Z, 5.7 hours before the alert went out and 258 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, Detroit, MI at 00:00Z on 1998-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1857 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, Detroit, MI at 00:00Z on 1998-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.193958Sfc1 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
1857 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1175 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
151 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.

030 
WUUS53 KIWX 290547 RRA
SVRFWA
INC039-099-290635-

BULLETIN- EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1244 AM EST FRI MAY 29 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ELKHART COUNTY IN NORTH CENTRAL INDIANA
  MARSHALL COUNTY IN NORTH CENTRAL INDIANA

* UNTIL 135 AM EST

* AT 1243 AM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  SEVERE THUNDERSTORM 6 MILES EAST SOUTHEAST OF ELKHART OR 2 MILES
  EAST OF DUNLAP MOVING EAST AT 50 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  ELKHART
  DUNLAP
  GOSHEN
  PLYMOUTH
  BREMEN

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS.  SEVERE
THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS.

TEH/JA

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 29, 12:41 AM ESTSevere Thunderstorm WarningIWXSaint Joseph49 min
May 29, 1:06 AM ESTSevere Thunderstorm WarningIWXLaGrange, Noble64 min
May 29, 1:06 AM ESTSevere Thunderstorm WarningIWXKosciusko64 min
May 29, 1:50 PM ESTSevere Thunderstorm WarningIWXBlackford, Grant35 min
May 29, 3:33 PM ESTSevere Thunderstorm WarningIWXCass32 min
May 29, 3:48 PM ESTSevere Thunderstorm WarningIWXMiami32 min
May 29, 5:00 PM ESTSevere Thunderstorm WarningIWXCass35 min
May 29, 5:04 PM ESTSevere Thunderstorm WarningIWXGrant36 min
May 29, 5:09 PM ESTSevere Thunderstorm WarningIWXMiami36 min
May 29, 5:20 PM ESTSevere Thunderstorm WarningIWXBlackford35 min
May 29, 5:41 PM ESTSevere Thunderstorm WarningIWXJay49 min
May 29, 5:58 PM ESTSevere Thunderstorm WarningIWXBlackford17 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.