Alert archive / Indiana / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 3, NWS Northern Indiana

March 20, 2003Kosciusko County, Noble County, Whitley County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Mar 20, 2003, 1:07 PM EST for Kosciusko County, Noble County, Whitley County, Indiana. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 20, 2003, 1:07 PM EST (18:07 UTC)
Expired
Mar 20, 2003, 1:45 PM EST
In force
38 min
Issued by
NWS Northern Indiana
Area
Counties, with a storm outline in the text

Counties Kosciusko County, IN, Noble County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 12 km from the middle of the area, began a volume at 18:08 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 12:00Z, 6.1 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 12:00Z on 2003-03-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 15 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 2003-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
15 J/kg
Mixed-layer CIN
-185 J/kg
Mixed-layer LCL
465 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
4 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.

246 
WUUS53 KIWX 201807
SVRFWA
INC085-113-183-201845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
105 PM EST THU MAR 20 2003

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN KOSCIUSKO COUNTY IN INDIANA
  WESTERN NOBLE COUNTY IN INDIANA
  NORTHWESTERN WHITLEY COUNTY IN INDIANA

* UNTIL 145 PM EST

* AT 105 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SIDNEY...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  PIERCETON
  LARWILL
  NORTH WEBSTER
  CROMWELL
  LIGONIER
  ALBION
  ETNA

THREE QUARTER INCH DIAMETER SIZE HAIL OR LARGER IS LIKELY WITH THIS 
SEVERE 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.

LAT...LON 4111 8590 4103 8569 4150 8529 4151 8562

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 20, 12:10 PM ESTSevere Thunderstorm WarningIWXLaPorte50 min
Mar 20, 12:53 PM ESTSevere Thunderstorm WarningIWXMarshall37 min
Mar 20, 1:46 PM ESTSevere Thunderstorm WarningIWXWhitley29 min
Mar 20, 2:04 PM ESTSevere Thunderstorm WarningIWXLaGrange41 min
Mar 20, 2:15 PM ESTSevere Thunderstorm WarningIWXNoble45 min
Mar 20, 2:42 PM ESTSevere Thunderstorm WarningIWXAllen, Huntington, Whitley48 min
Mar 20, 3:07 PM ESTSevere Thunderstorm WarningIWXDeKalb, Noble, Steuben53 min
Mar 20, 3:16 PM ESTSevere Thunderstorm WarningIWXHuntington44 min
Mar 20, 3:32 PM ESTSevere Thunderstorm WarningIWXAllen43 min
Mar 20, 3:42 PM ESTSevere Thunderstorm WarningIWXWells48 min
Mar 20, 4:06 PM ESTTornado WarningIWXWells39 min
Mar 20, 4:15 PM ESTSevere Thunderstorm WarningIWXSteuben60 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2003Every severe thunderstorm warning in 2003

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.