Alert archive / Indiana / Tornado Warnings in 2003
Tornado Warning 12, NWS Northern Indiana
NWS Northern Indiana issued this tornado warning at Jul 21, 2003, 3:12 AM EST for Cass County, Indiana. It was in force for 33 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
- Jul 21, 2003, 3:12 AM EST (08:12 UTC)
- Expired
- Jul 21, 2003, 3:45 AM EST
- In force
- 33 min
- Issued by
- NWS Northern Indiana
- Area
- Counties, with a storm outline in the text
County Cass County, IN
The radar
The Northern Indiana radar (KIWX), 75 km from the middle of the area, began a volume at 08:13 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
Lincoln, IL (KILX), launched 00:00Z, 8.2 hours before the alert went out and 211 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.
- Mixed-layer CAPE
- 3794 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1094 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.8
The text
As transmitted, in the capitals the NWS used until 2016.
588 WFUS53 KIWX 210812 TORIWX INC017-210845- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE NORTHERN INDIANA 311 AM EST MON JUL 21 2003 THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A * TORNADO WARNING FOR... CASS COUNTY IN INDIANA * UNTIL 345 AM EST * AT 311 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION OVER NORTH CENTRAL CASS COUNTY...MOVING EAST AT 40 MPH. TOWNS IN THE PATH OF THE STORM INCLUDE META AND TWELVE MILE. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM ON THE LOWEST FLOOR AWAY FROM WINDOWS. 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 4092 8634 4079 8639 4071 8617 4092 8617
The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 7:06 PM EST | Severe Thunderstorm Warning | IWX | Saint Joseph | 39 min |
| Jul 20, 7:39 PM EST | Severe Thunderstorm Warning | IWX | Elkhart | 66 min |
| Jul 20, 8:06 PM EST | Severe Thunderstorm Warning | IWX | Whitley | 54 min |
| Jul 20, 11:48 PM EST | Severe Thunderstorm Warning | IWX | Elkhart | 57 min |
| Jul 20, 11:58 PM EST | Severe Thunderstorm Warning | IWX | Kosciusko, Noble | 47 min |
| Jul 21, 12:38 AM EST | Severe Thunderstorm Warning | IWX | Allen, DeKalb, Whitley | 67 min |
| Jul 21, 1:08 AM EST | Severe Thunderstorm Warning | IWX | White | 52 min |
| Jul 21, 1:14 AM EST | Severe Thunderstorm Warning | IWX | Fulton | 31 min |
| Jul 21, 1:30 AM EST | Severe Thunderstorm Warning | IWX | Kosciusko | 45 min |
| Jul 21, 1:38 AM EST | Severe Thunderstorm Warning | IWX | Pulaski, Starke | 52 min |
| Jul 21, 3:24 AM EST | Severe Thunderstorm Warning | IWX | Miami | 36 min |
| Jul 21, 3:39 AM EST | Severe Thunderstorm Warning | IWX | Wabash | 51 min |
| Jul 21, 4:30 AM EST | Flash Flood Warning | IWX | Allen | 3 hr |
| Jul 21, 5:42 AM EST | Severe Thunderstorm Warning | IWX | Blackford | 33 min |
| Jul 21, 5:54 AM EST | Severe Thunderstorm Warning | IWX | Jay | 36 min |
Nearby
Tornado Warnings in Indiana, 2003Every tornado warning in 2003Tornadoes 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.