Alert archive / Minnesota / Tornado Warnings in 2002
Tornado Warning 21, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 3, 2002, 5:23 PM CDT for Chisago County, Minnesota; Polk County, Wisconsin. It was in force for 37 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 3, 2002, 5:23 PM CDT (22:23 UTC)
- Expired
- Aug 3, 2002, 6:00 PM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Chisago County, MN, Polk County, WI
The radar
The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 22:23 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 3, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.4 hours before the alert went out and 98 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
862 WFUS53 KMPX 032223 TORMSP MNC025-WIC095-032300- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 521 PM CDT SAT AUG 3 2002 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... CHISAGO COUNTY IN EAST CENTRAL MINNESOTA POLK COUNTY IN NORTHWEST WISCONSIN * UNTIL 600 PM CDT * AT 521 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A TORNADO 2 MILES SOUTH OF LINDSTROM...OR ABOUT 19 MILES WEST OF BALSAM LAKE...MOVING EAST AT 30 MPH. * SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE... CENTER CITY. TAYLORS FALLS. ST CROIX FALLS. BALSAM LAKE. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR LAT...LON 4562 9300 4535 9298 4532 9237 4557 9236
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 3:25 PM CDT | Severe Thunderstorm Warning | MPX | Anoka | 50 min |
| Aug 3, 3:54 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 51 min |
| Aug 3, 4:36 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 39 min |
| Aug 3, 5:01 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 44 min |
| Aug 3, 5:09 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Lac qui Parle | 51 min |
| Aug 3, 5:13 PM CDT | Severe Thunderstorm Warning | MPX | Sherburne, Wright | 47 min |
| Aug 3, 5:15 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 60 min |
| Aug 3, 5:32 PM CDT | Severe Thunderstorm Warning | MPX | Swift | 58 min |
| Aug 3, 5:40 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 50 min |
| Aug 3, 5:49 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 51 min |
| Aug 3, 6:09 PM CDT | Severe Thunderstorm Warning | MPX | Anoka | 36 min |
| Aug 3, 6:15 PM CDT | Tornado Warning | MPX | Carver, Scott, Sibley | 45 min |
| Aug 3, 6:27 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 48 min |
| Aug 3, 6:32 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 43 min |
| Aug 3, 6:32 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 58 min |
| Aug 3, 6:36 PM CDT | Flash Flood Warning | MPX | Yellow Medicine | 3 hr |
| Aug 3, 6:49 PM CDT | Severe Thunderstorm Warning | MPX | Sibley | 41 min |
| Aug 3, 4:07 PM CDT | Severe Thunderstorm Warning | MPX | Polk, Saint Croix | 53 min |
| Aug 3, 5:57 PM CDT | Tornado Warning | MPX | Polk | 33 min |
| Aug 3, 6:53 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 37 min |
Nearby
Tornado Warnings in Minnesota, 2002Tornado Warnings in Wisconsin, 2002Every tornado warning in 2002Tornadoes in 2002
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.