Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 85, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 8, 2020, 2:48 PM CDT for 5 counties in Minnesota. It was in force for 27 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, 2:48 PM CDT (19:48 UTC)
- Expired
- Aug 8, 2020, 3:15 PM CDT
- In force
- 27 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Kandiyohi County, MN, Meeker County, MN, Renville County, MN, Sibley County, MN, Wright County, MN
The radar
The Minneapolis radar (KMPX), 81 km from the middle of the area, began a volume at 19:52 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, 7.8 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
- 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.
602
WUUS53 KMPX 081948
SVRMPX
MNC067-093-129-143-171-082015-
/O.NEW.KMPX.SV.W.0085.200808T1948Z-200808T2015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
248 PM CDT Sat Aug 8 2020
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Wright County in central Minnesota...
Southern Meeker County in central Minnesota...
Northwestern Sibley County in central Minnesota...
Northeastern Renville County in central Minnesota...
Southeastern Kandiyohi County in central Minnesota...
* Until 315 PM CDT.
* At 247 PM CDT, severe thunderstorms were located near Hutchinson,
moving east at 40 mph. These stors have a history of producing
widespread damaging wind.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Locations impacted include...
Olivia, Winsted, Hector, Bird Island, Buffalo Lake, Cosmos,
Greenleaf, Danube, Lakeside, Lake Lillian, Thorpe and Bechyn.
This includes the following highways...
U.S. Highway 212 between mile markers 72 and 101.
U.S. Highway 71 between mile markers 90 and 107.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
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.
&&
LAT...LON 4489 9504 4510 9457 4504 9399 4497 9401
4498 9450 4464 9450 4462 9452 4468 9517
TIME...MOT...LOC 1947Z 258DEG 34KT 4490 9450
HAIL...<.75IN
WIND...70MPH
$$
ETA1 follow-up statement
847
WWUS53 KMPX 081957 RRA
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
257 PM CDT Sat Aug 8 2020
MNC067-093-129-143-171-082015-
/O.CON.KMPX.SV.W.0085.000000T0000Z-200808T2015Z/
Wright MN-Meeker MN-Sibley MN-Renville MN-Kandiyohi MN-
257 PM CDT Sat Aug 8 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM CDT
FOR SOUTHWESTERN WRIGHT...SOUTHERN MEEKER...NORTHWESTERN SIBLEY...
NORTHEASTERN RENVILLE AND SOUTHEASTERN KANDIYOHI COUNTIES...
At 257 PM CDT, a severe thunderstorm was located over Hutchinson,
moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Olivia, Winsted, Hector, Bird Island, Buffalo Lake, Cosmos,
Greenleaf, Danube, Lakeside, Lake Lillian, Thorpe and Bechyn.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
&&
LAT...LON 4489 9504 4510 9457 4504 9399 4497 9401
4498 9450 4464 9450 4462 9452 4468 9517
TIME...MOT...LOC 1957Z 258DEG 34KT 4492 9436
HAIL...<.75IN
WIND...60MPH
$$
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, 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, 4:58 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue, Rice, Steele | 36 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.