Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Duluth, MN
NWS Duluth, MN issued this severe thunderstorm warning at Jun 8, 2021, 2:32 AM CDT for Itasca County, Koochiching County, Saint Louis County, Minnesota. It was in force for 28 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 8, 2021, 2:32 AM CDT (07:32 UTC)
- Expired
- Jun 8, 2021, 3:00 AM CDT
- In force
- 28 min
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Itasca County, MN, Koochiching County, MN, Saint Louis County, MN
The radar
The Duluth radar (KDLH), 135 km from the middle of the area, began a volume at 07:34 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 8, 2:46 AM CDT | TSTM WND DMG | 5 Wsw Orr, MN | THE TOP OF A WHITE PINE TREE FELL OVER DUE TO STRONG WINDS, WITH ONE OF THE BRANCHES FALLING ONTO AND CAUSING DAMAGE TO A CABIN. HEAVY RAIN ALSO CAUSED WASHOUTS AND EROSION WITH ESTIMATED RAINFALL AMOUNTS OF 1.5 TO 2 INCHES. TIME ESTIMATED BY RADAR. LOCATION A |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 7.5 hours before the alert went out and 78 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
- 2693 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 428 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
605
WUUS53 KDLH 080732
SVRDLH
MNC061-071-137-080800-
/O.NEW.KDLH.SV.W.0003.210608T0732Z-210608T0800Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Duluth MN
232 AM CDT Tue Jun 8 2021
The National Weather Service in Duluth MN has issued a
* Severe Thunderstorm Warning for...
Northeastern Itasca County in north central Minnesota...
Southeastern Koochiching County in north central Minnesota...
West central St. Louis County in northeastern Minnesota...
* Until 300 AM CDT.
* At 231 AM CDT, severe thunderstorms were located along a line
extending from near Nett Lake, to 10 miles west of Togo, to near
Marcell, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Orr, Togo and Pelican Lake around 250 AM CDT.
Other locations in the path of these severe thunderstorms include
Gheen and Meadow Brook.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4809 9265 4778 9295 4759 9336 4763 9378
4785 9346 4808 9313
TIME...MOT...LOC 0731Z 267DEG 33KT 4803 9311 4780 9338 4763 9370
HAIL...1.00IN
WIND...60MPH
$$
Unruh/GSF1 follow-up statement
435
WWUS53 KDLH 080756
SVSDLH
Severe Weather Statement
National Weather Service Duluth MN
256 AM CDT Tue Jun 8 2021
MNC061-071-137-080806-
/O.EXP.KDLH.SV.W.0003.000000T0000Z-210608T0800Z/
Itasca MN-Koochiching MN-St. Louis MN-
256 AM CDT Tue Jun 8 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ITASCA...
SOUTHEASTERN KOOCHICHING AND WEST CENTRAL ST. LOUIS COUNTIES WILL
EXPIRE AT 300 AM CDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small
hail, gusty winds, and heavy rain are still possible with these
thunderstorms.
LAT...LON 4809 9265 4778 9295 4759 9336 4763 9378
4785 9346 4808 9313
TIME...MOT...LOC 0756Z 267DEG 33KT 4804 9282 4781 9310 4764 9342
$$
Unruh/GSFThe office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 12:35 AM CDT | Special Weather Statement | DLH | Koochiching | 10 min |
| Jun 8, 12:47 AM CDT | Special Weather Statement | DLH | Koochiching | 13 min |
| Jun 8, 1:07 AM CDT | Special Weather Statement | DLH | Koochiching | 23 min |
| Jun 8, 1:20 AM CDT | Special Weather Statement | DLH | Cass | 25 min |
| Jun 8, 1:31 AM CDT | Special Weather Statement | DLH | Koochiching | 29 min |
| Jun 8, 1:48 AM CDT | Special Weather Statement | DLH | Cass | 27 min |
| Jun 8, 1:55 AM CDT | Special Weather Statement | DLH | Itasca | 35 min |
| Jun 8, 2:06 AM CDT | Areal Flood Advisory | DLH | Koochiching | 4 hr |
| Jun 8, 2:09 AM CDT | Special Weather Statement | DLH | Itasca | 36 min |
| Jun 8, 2:23 AM CDT | Special Weather Statement | DLH | Aitkin, Itasca | 22 min |
| Jun 8, 3:01 AM CDT | Special Weather Statement | DLH | Saint Louis | 29 min |
| Jun 8, 3:34 AM CDT | Special Weather Statement | DLH | Saint Louis | 41 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.