Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 87, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 8, 2020, 4:58 PM CDT for Goodhue County, Rice County, Steele County, Minnesota. It was in force for 36 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 8, 2020, 4:58 PM CDT (21:58 UTC)
- Expired
- Aug 8, 2020, 5:34 PM CDT
- In force
- 36 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Goodhue County, MN, Rice County, MN, Steele County, MN
The radar
The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 22:01 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 12:00Z, 10.0 hours before the alert went out and 87 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
- 1441 J/kg
- Mixed-layer CIN
- -202 J/kg
- Mixed-layer LCL
- 776 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 250 m²/s²
- 0-3 km storm-relative helicity
- 273 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
354
WUUS53 KMPX 082158
SVRMPX
MNC049-131-147-082245-
/O.NEW.KMPX.SV.W.0087.200808T2158Z-200808T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
458 PM CDT Sat Aug 8 2020
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Steele County in south central Minnesota...
Southwestern Goodhue County in southeastern Minnesota...
Southeastern Rice County in south central Minnesota...
* Until 545 PM CDT.
* At 457 PM CDT, a severe thunderstorm was located near Wanamingo, or
12 miles north of Mantorville, moving east at 25 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.
* Locations impacted include...
Pine Island, Zumbrota, Kenyon, Wanamingo, Nerstrand, Moland,
Ruskin, Bombay and Hader.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with this storm. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4417 9319 4432 9317 4440 9256 4435 9254
4420 9256 4419 9304 4416 9305
TIME...MOT...LOC 2157Z 271DEG 23KT 4424 9283
HAIL...1.00IN
WIND...60MPH
$$
ETA2 follow-up statements
640
WWUS53 KMPX 082216
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
516 PM CDT Sat Aug 8 2020
MNC131-147-082226-
/O.CAN.KMPX.SV.W.0087.000000T0000Z-200808T2245Z/
Steele MN-Rice MN-
516 PM CDT Sat Aug 8 2020
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN STEELE AND
SOUTHEASTERN RICE COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4434 9304 4440 9256 4435 9254 4420 9256
4419 9302 4420 9305
TIME...MOT...LOC 2216Z 271DEG 23KT 4424 9266
$$
MNC049-082245-
/O.CON.KMPX.SV.W.0087.000000T0000Z-200808T2245Z/
Goodhue MN-
516 PM CDT Sat Aug 8 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR SOUTHWESTERN GOODHUE COUNTY...
At 516 PM CDT, a severe thunderstorm was located over Pine Island, or
12 miles north of Mantorville, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Pine Island, Zumbrota, Kenyon, Wanamingo, Hader and Bombay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4434 9304 4440 9256 4435 9254 4420 9256
4419 9302 4420 9305
TIME...MOT...LOC 2216Z 271DEG 23KT 4424 9266
HAIL...<.75IN
WIND...60MPH
$$
ETA169
WWUS53 KMPX 082234
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
534 PM CDT Sat Aug 8 2020
MNC049-082244-
/O.CAN.KMPX.SV.W.0087.000000T0000Z-200808T2245Z/
Goodhue MN-
534 PM CDT Sat Aug 8 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GOODHUE COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4434 9304 4440 9256 4435 9254 4420 9256
4419 9302 4420 9305
TIME...MOT...LOC 2232Z 271DEG 23KT 4424 9250
$$
ETAThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 12:12 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 48 min |
| Aug 8, 12:38 PM CDT | Special Weather Statement | MPX | Yellow Medicine | 37 min |
| Aug 8, 12:45 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 45 min |
| Aug 8, 1:14 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 46 min |
| Aug 8, 1:37 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Renville, Yellow Medicine | 23 min |
| Aug 8, 2:03 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Redwood, Renville, Sibley | 42 min |
| Aug 8, 2:14 PM CDT | Special Weather Statement | MPX | Brown, Watonwan | 46 min |
| Aug 8, 2:28 PM CDT | Severe Thunderstorm Warning | MPX | Carver, McLeod, Meeker, Nicollet, Sibley | 47 min |
| Aug 8, 2:48 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Renville, Sibley, Wright | 27 min |
| Aug 8, 3:13 PM CDT | Special Weather Statement | MPX | Carver, Hennepin, McLeod, Meeker, Wright | 47 min |
| Aug 8, 3:17 PM CDT | Special Weather Statement | MPX | Blue Earth, Le Sueur, Rice, Scott, Waseca | 58 min |
| Aug 8, 4:11 PM CDT | Special Weather Statement | MPX | Rice, Steele, Waseca | 49 min |
| Aug 8, 4:28 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 47 min |
| Aug 8, 5:25 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 35 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.