Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 155, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 24, 2020, 2:30 AM CDT for Pope County, Stevens County, Swift County, Minnesota. It was in force for 35 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 24, 2020, 2:30 AM CDT (07:30 UTC)
- Expired
- Aug 24, 2020, 3:05 AM CDT
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Pope County, MN, Stevens County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 181 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 7.5 hours before the alert went out and 178 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
- 669 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 1807 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
989
WUUS53 KMPX 240730
SVRMPX
MNC121-149-151-240815-
/O.NEW.KMPX.SV.W.0155.200824T0730Z-200824T0815Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
230 AM CDT Mon Aug 24 2020
The National Weather Service in the Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Pope County in west central Minnesota...
Southeastern Stevens County in west central Minnesota...
North central Swift County in west central Minnesota...
* Until 315 AM CDT.
* At 229 AM CDT, a severe thunderstorm was located over Hancock, or 7
miles southeast of Morris, moving southeast at 35 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.
* This severe thunderstorm will be near...
Lake Hassel around 255 AM CDT.
Other locations impacted by this severe thunderstorm include Lake
Emily and Clontarf.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4541 9581 4557 9578 4565 9576 4554 9542
4535 9553
TIME...MOT...LOC 0729Z 294DEG 29KT 4549 9583
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
871
WWUS53 KMPX 240747
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
247 AM CDT Mon Aug 24 2020
MNC149-240756-
/O.CAN.KMPX.SV.W.0155.000000T0000Z-200824T0815Z/
Stevens MN-
247 AM CDT Mon Aug 24 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEVENS COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4541 9575 4562 9566 4554 9542 4535 9553
4540 9577
TIME...MOT...LOC 0746Z 294DEG 29KT 4543 9564
$$
MNC121-151-240815-
/O.CON.KMPX.SV.W.0155.000000T0000Z-200824T0815Z/
Pope MN-Swift MN-
247 AM CDT Mon Aug 24 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT
FOR SOUTHWESTERN POPE AND NORTH CENTRAL SWIFT COUNTIES...
At 246 AM CDT, a severe thunderstorm was located near Lake Hassel, or
16 miles southeast of Morris, moving southeast at 35 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.
This severe storm will be near...
Lake Hassel around 255 AM CDT.
Other locations impacted by this severe thunderstorm include Lake
Emily and Clontarf.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4541 9575 4562 9566 4554 9542 4535 9553
4540 9577
TIME...MOT...LOC 0746Z 294DEG 29KT 4543 9564
HAIL...1.00IN
WIND...60MPH
$$770
WWUS53 KMPX 240805
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
305 AM CDT Mon Aug 24 2020
MNC121-151-240814-
/O.CAN.KMPX.SV.W.0155.000000T0000Z-200824T0815Z/
Pope MN-Swift MN-
305 AM CDT Mon Aug 24 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN POPE AND NORTH
CENTRAL SWIFT COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
Remember, a Severe Thunderstorm Warning still remains in effect for
eastern Swift and southeast Pope counties.
LAT...LON 4541 9575 4562 9566 4554 9542 4535 9553
4540 9577
TIME...MOT...LOC 0803Z 294DEG 29KT 4537 9545
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 1:39 AM CDT | Special Weather Statement | MPX | Stevens | 66 min |
| Aug 24, 1:58 AM CDT | Severe Thunderstorm Warning | MPX | Stevens | 46 min |
| Aug 24, 2:21 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 43 min |
| Aug 24, 2:41 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Pope, Swift | 49 min |
| Aug 24, 3:13 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Renville | 62 min |
| Aug 24, 3:40 AM CDT | Heat Advisory | MPX | Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 20 more | 16 hr |
| Aug 24, 3:52 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 38 min |
| Aug 24, 5:31 AM CDT | Special Weather Statement | MPX | Swift | 44 min |
| Aug 24, 6:10 AM CDT | Special Weather Statement | MPX | Chippewa | 50 min |
| Aug 24, 6:43 AM CDT | Special Weather Statement | MPX | Renville | 47 min |
| Aug 24, 7:30 AM CDT | Special Weather Statement | MPX | Nicollet, Sibley | 60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.