Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 7, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 1, 2020, 10:28 AM CDT for Mille Lacs County, Morrison County, Minnesota. It was in force for 32 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 1, 2020, 10:28 AM CDT (15:28 UTC)
- Expired
- Jun 1, 2020, 11:00 AM CDT
- In force
- 32 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Mille Lacs County, MN, Morrison County, MN
The radar
The Duluth radar (KDLH), 136 km from the middle of the area, began a volume at 15:29 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 1, 10:38 AM CDT | HAIL 1.25 | 4 Ssw Vineland, MN | TIME ESTIMATED FROM RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 3.5 hours before the alert went out and 149 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
- 1145 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 430 m²/s²
- 0-3 km storm-relative helicity
- 603 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
350
WUUS53 KMPX 011528
SVRMPX
MNC095-097-011600-
/O.NEW.KMPX.SV.W.0007.200601T1528Z-200601T1600Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1028 AM CDT Mon Jun 1 2020
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northern Mille Lacs County in east central Minnesota...
East central Morrison County in central Minnesota...
* Until 1100 AM CDT.
* At 1028 AM CDT, a severe thunderstorm was located over Vineland, or
10 miles southwest of Mille Lacs Lake, moving east at 45 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
* Locations impacted include...
Mille Lacs Lake, Isle, Wahkon, Vineland, Lake Mille Lacs and
Bayview.
This includes U.S. Highway 169 between mile markers 215 and 229.
This includes Grand Casino Mille Lacs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4625 9343 4606 9343 4615 9407 4616 9404
4616 9381 4624 9381 4625 9374
TIME...MOT...LOC 1528Z 285DEG 41KT 4618 9379
HAIL...1.00IN
WIND...<50MPH
$$
BPH2 follow-up statements
563
WWUS53 KMPX 011547
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1047 AM CDT Mon Jun 1 2020
MNC097-011556-
/O.CAN.KMPX.SV.W.0007.000000T0000Z-200601T1600Z/
Morrison MN-
1047 AM CDT Mon Jun 1 2020
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MORRISON COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4619 9343 4606 9343 4611 9381 4624 9381
4623 9375 4622 9368
TIME...MOT...LOC 1546Z 313DEG 19KT 4611 9373
$$
MNC095-011600-
/O.CON.KMPX.SV.W.0007.000000T0000Z-200601T1600Z/
Mille Lacs MN-
1047 AM CDT Mon Jun 1 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 AM CDT
FOR NORTHERN MILLE LACS COUNTY...
At 1046 AM CDT, a severe thunderstorm was located near Onamia, or 13
miles south of Mille Lacs Lake, moving southeast at 40 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Mille Lacs Lake, Isle, Wahkon, Vineland, Lake Mille Lacs and Bayview.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4619 9343 4606 9343 4611 9381 4624 9381
4623 9375 4622 9368
TIME...MOT...LOC 1546Z 313DEG 19KT 4611 9373
HAIL...1.00IN
WIND...<50MPH
$$
BPH487
WWUS53 KMPX 011600
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1100 AM CDT Mon Jun 1 2020
MNC095-011609-
/O.EXP.KMPX.SV.W.0007.000000T0000Z-200601T1600Z/
Mille Lacs MN-
1100 AM CDT Mon Jun 1 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN MILLE LACS COUNTY
WILL EXPIRE AT 1100 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
LAT...LON 4619 9343 4606 9343 4611 9381 4624 9381
4623 9375 4622 9368
TIME...MOT...LOC 1559Z 285DEG 41KT 4608 9355
$$
BPHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 9:31 AM CDT | Special Weather Statement | MPX | Morrison | 14 min |
| Jun 1, 11:03 AM CDT | Special Weather Statement | MPX | Kanabec | 42 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2020Every severe thunderstorm warning in 2020
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.