Alert archive / Minnesota / Tornado Warnings in 2003
Tornado Warning 21, NWS Duluth, MN
NWS Duluth, MN issued this tornado warning at Aug 20, 2003, 7:56 PM CDT for Lake County, Saint Louis County, Minnesota. It was in force for 64 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 20, 2003, 7:56 PM CDT (00:56 UTC)
- Expired
- Aug 20, 2003, 9:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Duluth, MN
- Area
- Counties, with a storm outline in the text
Counties Lake County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 30 km from the middle of the area, began a volume at 00:54 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 20, 3:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 0.9 hours before the alert went out and 194 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
- 219 J/kg
- Mixed-layer CIN
- -150 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS53 KDLH 210056 TORDLH MNC075-137-210200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE DULUTH MN 754 PM CDT WED AUG 20 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED A * TORNADO WARNING FOR... LAKE COUNTY IN NORTHEAST MINNESOTA SOUTHEAST ST. LOUIS COUNTY IN NORTHEAST MINNESOTA * UNTIL 900 PM CDT * AT 754 PM CDT...RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 12 MILES WEST OF ALGER...OR ABOUT 24 MILES NORTH OF DULUTH...MOVING NORTHEAST AT 35 MPH. * THIS THUNDERSTORM WILL BE NEAR... PARADISE LAKE AROUND 800 PM... CHRIS LAKE AROUND 803 PM... ALGER...YORK...AND STEWART AROUND 805 PM... IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO A BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR IF YOU ARE IN A MOBILE HOME... CAMPER OR ARE CAUGHT OUTDOORS SEEK STURDY SHELTER. AS A LAST RESORT...LIE FLAT IN A DITCH AND COVER YOUR HEAD LAT...LON 4705 9226 4689 9214 4707 9157 4725 9169 $$ CRS/MRS
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 7:06 PM CDT | Tornado Warning | DLH | Saint Louis | 54 min |
| Aug 20, 7:45 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 60 min |
| Aug 20, 7:52 PM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Saint Louis | 53 min |
| Aug 20, 8:04 PM CDT | Special Marine Warning | DLH | 86 min | |
| Aug 20, 8:11 PM CDT | Special Marine Warning | DLH | 79 min | |
| Aug 20, 8:20 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 55 min |
| Aug 20, 8:54 PM CDT | Special Marine Warning | DLH | 2 hr | |
| Aug 20, 9:02 PM CDT | Special Marine Warning | DLH | 118 min | |
| Aug 20, 9:02 PM CDT | Special Marine Warning | DLH | 118 min | |
| Aug 20, 9:17 PM CDT | Severe Thunderstorm Warning | DLH | Lake | 28 min |
| Aug 20, 9:39 PM CDT | Severe Thunderstorm Warning | DLH | Cook | 66 min |
Nearby
Tornado Warnings in Minnesota, 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.