Alert archive / Minnesota / Tornado Warnings in 2001
Tornado Warning 35, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Jun 18, 2001, 7:40 PM CDT for Chisago County, Minnesota. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jun 18, 2001, 7:40 PM CDT (00:40 UTC)
- Expired
- Jun 18, 2001, 8:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Chisago County, MN
The radar
The Minneapolis radar (KMPX), 116 km from the middle of the area, began a volume at 00:42 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 |
|---|---|---|---|
| Jun 18, 7:58 PM CDT | Hail 1 | Pine City, MN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 18, 3:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.7 hours before the alert went out and 117 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
- 2360 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1718 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 84 m²/s²
- 0-3 km storm-relative helicity
- 169 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 13.2
The text
As transmitted, in the capitals the NWS used until 2016.
106 WFUS53 KMPX 190040 TORMSP MNC025-190115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 740 PM CDT MON JUN 18 2001 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * TORNADO WARNING FOR... NORTHERN CHISAGO COUNTY IN EAST CENTRAL MINNESOTA * UNTIL 815 PM CDT * AT 740 PM CDT...SEVERE WEATHER SPOTTERS REPORTED A TORNADO 5 MILES WEST OF RUSH CITY...OR ABOUT 11 MILES NORTHEAST OF CAMBRIDGE... MOVING EAST TO ORTHEAST AT 20 MPH. * SOME LOCATIONS IN THE PATH OF THIS TORNADO INCLUDE... RUSH CITY. GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR LAT...LON 4572 9321 4559 9303 4589 9253 4607 9278 &
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 18, 7:14 PM CDT | Tornado Warning | MPX | Isanti, Kanabec | 31 min |
| Jun 18, 7:46 PM CDT | Severe Thunderstorm Warning | MPX | Faribault | 44 min |
| Jun 18, 7:50 PM CDT | Severe Thunderstorm Warning | MPX | Waseca | 40 min |
| Jun 18, 8:17 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele | 58 min |
| Jun 18, 10:11 PM CDT | Severe Thunderstorm Warning | MPX | Steele | 19 min |
Nearby
Tornado Warnings in Minnesota, 2001Every tornado warning in 2001Tornadoes in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.