Alert archive / Indiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 13, NWS Northern Indiana

May 6, 2004Steuben County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at May 6, 2004, 10:21 PM EST for Steuben County, Indiana. It was in force for 54 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: May 6, 2004, 10:21 PM EST (03:21 UTC)
Expired: May 6, 2004, 11:15 PM EST
In force: 54 min
Issued by: NWS Northern Indiana
Area: Counties, with a storm outline in the text

County Steuben County, IN

The radar

The Northern Indiana radar (KIWX), 71 km from the middle of the area, began a volume at 03:21 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.

Issued	Product	Office	Lasted
May 6, 9:10 PM EST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Detroit, MI (KDTX), launched 00:00Z, 3.4 hours before the alert went out and 173 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1012 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 1564 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 129 m²/s²
0-3 km storm-relative helicity: 290 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 1.7

Open this sounding in Storm Lab

The text

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

198 
WUUS53 KIWX 070321
SVRIWX
INC151-070415-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1018 PM EST THU MAY 6 2004

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEAST STEUBEN COUNTY IN INDIANA

* UNTIL 1115 PM EST

* AT 1011 PM EST...AMATEUR RADIO WEATHER SPOTTERS REPORTED A         
  SEVERE THUNDERSTORM WITH NICKLE SIZED HAIL IN PLEASANT             
  LAKE.  THIS STORM WAS MOVING SOUTHEAST AT 35 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE THUNDERSTORM ARE...
  METZ
  ALVARADO 

NICKEL SIZE HAIL 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 4170 8497 4156 8511 4156 8483 4169 8483

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 8:45 PM EST	Severe Thunderstorm Warning	IWX	LaGrange	60 min
May 6, 8:53 PM EST	Severe Thunderstorm Warning	IWX	Elkhart	52 min
May 6, 9:04 PM EST	Severe Thunderstorm Warning	IWX	Marshall, Starke	56 min
May 6, 9:26 PM EST	Severe Thunderstorm Warning	IWX	Kosciusko	64 min
May 6, 9:40 PM EST	Severe Thunderstorm Warning	IWX	DeKalb	65 min
May 7, 7:28 AM EST	Severe Thunderstorm Warning	IWX	Allen	47 min
May 7, 7:33 AM EST	Severe Thunderstorm Warning	IWX	Whitley	42 min
May 7, 8:05 AM EST	Severe Thunderstorm Warning	IWX	White	40 min
May 7, 8:14 AM EST	Severe Thunderstorm Warning	IWX	Allen, DeKalb	61 min
May 7, 8:28 AM EST	Severe Thunderstorm Warning	IWX	Fulton, Kosciusko	47 min
May 7, 8:34 AM EST	Severe Thunderstorm Warning	IWX	Cass	41 min
May 7, 8:54 AM EST	Severe Thunderstorm Warning	IWX	Miami	51 min
May 7, 9:09 AM EST	Severe Thunderstorm Warning	IWX	Grant, Wabash	51 min
May 7, 9:10 AM EST	Severe Thunderstorm Warning	IWX	Grant, Wabash	50 min
May 7, 9:27 AM EST	Severe Thunderstorm Warning	IWX	Huntington	48 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2004 Every severe thunderstorm warning in 2004

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.