Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 13, NWS Northern Indiana

April 1, 1998Elkhart County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 1, 1998, 10:23 AM EST for Elkhart County, Indiana. It was in force for 47 min. 3 reports 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
Apr 1, 1998, 10:23 AM EST (15:23 UTC)
Expired
Apr 1, 1998, 11:10 AM EST
In force
47 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Elkhart County, IN

What was reported inside it

TimeReportWhereRemark
Apr 1, 10:33 AM ESTThunderstorm WindWakarusa, INPower lines down near Wakarusa. Trees down 4 miles WSW of Goshen and 3-8 miles NE of Goshen.
Apr 1, 10:42 AM ESTThunderstorm Wind 51(Gsh)Goshen Arpt, INGoshen Airport ASOS report
Apr 1, 10:49 AM ESTThunderstorm WindNew Paris, INTrees down 4 miles SSW of New Paris.

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 12:00Z, 3.4 hours before the alert went out and 236 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 12:00Z on 1998-04-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Detroit, MI at 12:00Z on 1998-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
819 m above ground
0-6 km bulk shear
104 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
108 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.

977 
WUUS53 KIWX 011526 RRA
SVRFWA
INC039-011610-

BULLETIN- EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1023 AM EST WED APR 1 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

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

* UNTIL 1110 AM EST

* AT 1021 AM EST... NATIONAL WEATHER SERVICE DOPPLER RADAR
  INDICATED A RAPIDLY DEVELOPING SEVERE THUNDERSTORM 13 MILES SOUTH
  SOUTHWEST OF ELKHART OR 2 MILES SOUTHWEST OF WAKARUSA MOVING EAST
  NORTHEAST AT 55 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  WAKARUSA              NEAR 1019 AM EST
  ELKHART               NEAR 1027 AM EST
  GOSHEN                NEAR 1030 AM EST
  MILLERSBURG           NEAR 1034 AM EST
  BRISTOL               NEAR 1036 AM EST
  MIDDLEBURY            NEAR 1039 AM EST

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH... LARGE HAIL... AND
DEADLY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY

ADOLPHSON

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 10:11 AM ESTSevere Thunderstorm WarningIWXMarshall49 min
Apr 1, 10:19 AM ESTSevere Thunderstorm WarningIWXKosciusko46 min
Apr 1, 10:58 AM ESTSevere Thunderstorm WarningIWXLaGrange52 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.