Alert archive / Indiana / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 49, NWS Northern Indiana

May 21, 2004Kosciusko County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at May 21, 2004, 11:50 AM EST for Kosciusko County, Indiana. It was in force for 55 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 21, 2004, 11:50 AM EST (16:50 UTC)
Expired: May 21, 2004, 12:45 PM EST
In force: 55 min
Issued by: NWS Northern Indiana
Area: Counties, with a storm outline in the text

County Kosciusko County, IN

The radar

The Northern Indiana radar (KIWX), 14 km from the middle of the area, began a volume at 16:51 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.

What was reported inside it

Time	Report	Where	Remark
May 21, 12:20 PM EST	TSTM WND DMG	Milford, IN	TREES REPORTED DOWN.
May 21, 12:35 PM EST	HAIL 0.75	Leesburg, IN	AMATEUR RADIO REPORTED DIME SIZE HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Detroit, MI (KDTX), launched 12:00Z, 4.8 hours before the alert went out and 253 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 899 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

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

849 
WUUS53 KIWX 211650
SVRIWX
INC085-211745-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
1150 AM EST FRI MAY 21 2004

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

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

* UNTIL 1245 PM EST

* AT 1150 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 9 MILES
  WEST OF MILFORD TO 8 MILES WEST OF ETNA GREEN...MOVING EAST AT 55
  MPH.

* SOME LOCATIONS IN THE PATH OF THIS LINE OF SEVERE THUNDERSTORMS...
  ETNA GREEN
  MILFORD
  SYRACUSE
  LEESBURG
  WARSAW
  WINONA LAKE
  NORTH WEBSTER
  PIERCETON

WINDS IN EXCESS OF 65 MPH ARE LIKELY WITH THIS LINE OF SEVERE 
STORMS TORNADOES CAN DEVELOP AT ANY TIME WITH SEVERE THUNDERSTORMS 
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 4144 8583 4144 8567 4120 8567 4120 8596
          4119 8606 4144 8605

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 9:45 PM EST	Severe Thunderstorm Warning	IWX	LaPorte	60 min
May 20, 10:18 PM EST	Severe Thunderstorm Warning	IWX	Saint Joseph	57 min
May 20, 10:45 PM EST	Severe Thunderstorm Warning	IWX	Elkhart	60 min
May 21, 11:15 AM EST	Severe Thunderstorm Warning	IWX	Saint Joseph	60 min
May 21, 11:31 AM EST	Severe Thunderstorm Warning	IWX	Elkhart, Marshall	44 min
May 21, 11:46 AM EST	Severe Thunderstorm Warning	IWX	LaGrange	44 min
May 21, 12:05 PM EST	Severe Thunderstorm Warning	IWX	Noble, Whitley	55 min
May 21, 12:19 PM EST	Severe Thunderstorm Warning	IWX	Steuben	56 min
May 21, 12:21 PM EST	Severe Thunderstorm Warning	IWX	LaGrange	54 min
May 21, 12:28 PM EST	Severe Thunderstorm Warning	IWX	DeKalb	77 min
May 21, 12:47 PM EST	Severe Thunderstorm Warning	IWX	Allen	73 min
May 21, 2:14 PM EST	Severe Thunderstorm Warning	IWX	Adams	61 min
May 21, 4:00 PM EST	Severe Thunderstorm Warning	IWX	Jay	45 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.