Alert archive / Indiana / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 7, NWS Northern Indiana

April 20, 2000Elkhart County, Kosciusko County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Apr 20, 2000, 5:21 AM EST for Elkhart County, Kosciusko County, Indiana. It was in force for 29 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
Apr 20, 2000, 5:21 AM EST (10:21 UTC)
Expired
Apr 20, 2000, 5:50 AM EST
In force
29 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Elkhart County, IN, Kosciusko County, IN

The radar

The Northern Indiana radar (KIWX), 15 km from the middle of the area, began a volume at 10:24 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 nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 10.4 hours before the alert went out and 247 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 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
866 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
275 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 
WUUS53 KIWX 201022
SVRFWA
INC039-085-201050-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
521 AM EST THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ELKHART COUNTY IN INDIANA
  NORTHERN KOSCIUSKO COUNTY IN INDIANA

* UNTIL 550 AM EST

* AT 514 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES NORTHWEST OF ETNA GREEN...OR ABOUT 9
  MILES SOUTH OF BREMEN...MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  LEESBURG
  NAPPANEE
  MILFORD
  WAKARUSA
  NORTH WEBSTER
  SYRACUSE
  NEW PARIS
  GOSHEN
  MILLERSBURG
  MIDDLEBURY

THIS IS A DANGEROUS STORM. SEEK SHELTER IMMEDIATELY!

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN NORTHERN INDIANA.

NNNN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 3:58 AM ESTSevere Thunderstorm WarningIWXPulaski32 min
Apr 20, 4:54 AM ESTSevere Thunderstorm WarningIWXMarshall46 min
Apr 20, 10:53 AM ESTTornado WarningIWXPulaski, White57 min
Apr 20, 11:08 AM ESTTornado WarningIWXWhite42 min
Apr 20, 11:20 AM ESTTornado WarningIWXCass, Fulton60 min
Apr 20, 11:32 AM ESTTornado WarningIWXLaPorte, Starke48 min
Apr 20, 11:48 AM ESTSevere Thunderstorm WarningIWXElkhart, Saint Joseph42 min
Apr 20, 11:51 AM ESTSevere Thunderstorm WarningIWXMarshall49 min
Apr 20, 11:56 AM ESTTornado WarningIWXKosciusko44 min
Apr 20, 12:02 PM ESTTornado WarningIWXMiami48 min
Apr 20, 12:37 PM ESTTornado WarningIWXKosciusko33 min
Apr 20, 12:44 PM ESTSevere Thunderstorm WarningIWXNoble, Whitley46 min
Apr 20, 1:02 PM ESTSevere Thunderstorm WarningIWXLaGrange48 min
Apr 20, 1:06 PM ESTSevere Thunderstorm WarningIWXDeKalb, Steuben54 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2000Every severe thunderstorm warning in 2000

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.