Alert archive / Indiana / Tornado Warnings in 2003

Tornado Warning 16, NWS Northern Indiana

August 1, 2003Jay County, Indiana

NWS Northern Indiana issued this tornado warning at Aug 1, 2003, 6:52 PM EST for Jay County, Indiana. It was in force for 53 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: Aug 1, 2003, 6:52 PM EST (23:52 UTC)
Expired: Aug 1, 2003, 7:45 PM EST
In force: 53 min
Issued by: NWS Northern Indiana
Area: Counties, with a storm outline in the text

County Jay County, IN

The radar

The Northern Indiana radar (KIWX), 126 km from the middle of the area, began a volume at 23:54 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.9 hours before the alert went out and 146 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: 270 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 970 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 30 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.

677 
WFUS53 KIWX 012352
TORIWX
INC075-020045-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
651 PM EST FRI AUG 1 2003

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN JAY COUNTY IN INDIANA

* UNTIL 745 PM EST

* AT 651 PM EST...AMATEUR RADIO WEATHER SPOTTERS REPORTED A TORNADO  
  JUST NORTHWEST OF ALBANY IN DELAWARE COUNTY...MOVING EAST AT 15    
  MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO ARE...
  REDKEY
  POWERS
  NEW MOUNT PLEASANT
  BLUFF POINT

IF YOU ARE IN THE PATH OF THIS STORM...TAKE COVER IN A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR. VEHICLES AND MOBILE HOMES SHOULD
BE ABANDONED FOR A SAFER SHELTER.

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 4041 8517 4025 8530 4021 8476 4046 8475

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 1, 2:27 PM EST	Severe Thunderstorm Warning	IWX	Allen, DeKalb	63 min
Aug 1, 2:49 PM EST	Severe Thunderstorm Warning	IWX	LaGrange, Steuben	41 min
Aug 1, 3:30 PM EST	Severe Thunderstorm Warning	IWX	Allen	60 min
Aug 1, 3:33 PM EST	Severe Thunderstorm Warning	IWX	Steuben	27 min
Aug 1, 4:01 PM EST	Severe Thunderstorm Warning	IWX	DeKalb	29 min
Aug 1, 4:32 PM EST	Severe Thunderstorm Warning	IWX	Allen	58 min
Aug 1, 5:24 PM EST	Severe Thunderstorm Warning	IWX	Wells	51 min
Aug 1, 5:42 PM EST	Severe Thunderstorm Warning	IWX	LaGrange	33 min
Aug 1, 6:18 PM EST	Severe Thunderstorm Warning	IWX	Blackford, Jay	42 min

Nearby

Tornado Warnings in Indiana, 2003 Every tornado warning in 2003 Tornadoes 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.