Alert archive / Minnesota / Special Weather Statements in 2021
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 20, 2021, 7:13 PM CDT for Faribault County, Minnesota. It was in force for 32 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 20, 2021, 7:13 PM CDT (00:13 UTC)
- Expired
- Aug 20, 2021, 7:45 PM CDT
- In force
- 32 min
- Issued by
- NWS Twin Cities, MN
- Hail
- 0.25 in
- Wind
- 40
County Faribault County, MN
The radar
The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 00:15 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, 0.2 hours before the alert went out and 124 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
- 395 J/kg
- Mixed-layer CIN
- -100 J/kg
- Mixed-layer LCL
- 1368 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 233 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.4
The text
As transmitted.
705
WWUS83 KMPX 210013
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
713 PM CDT Fri Aug 20 2021
MNZ083-091-092-210045-
Blue Earth MN-Martin MN-Faribault MN-
713 PM CDT Fri Aug 20 2021
...A strong thunderstorm will impact portions of northwestern
Faribault, east central Martin and southeastern Blue Earth Counties
through 745 PM CDT...
At 712 PM CDT, Doppler radar was tracking a strong thunderstorm near
Winnebago, or 15 miles east of Fairmont, moving northeast at 45 mph.
HAZARD...Winds in excess of 40 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor damage to outdoor objects is
possible.
This strong thunderstorm will be near...
Delavan around 725 PM CDT.
Easton around 730 PM CDT.
Other locations in the path of this storm include Mapleton and
Minnesota Lake.
This includes the following highways...
Interstate 90 between mile markers 110 and 127.
U.S. Highway 169 between mile markers 7 and 25.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central Minnesota.
&&
LAT...LON 4352 9424 4371 9433 4403 9395 4388 9376
4385 9377 4385 9373 4378 9365
TIME...MOT...LOC 0012Z 231DEG 44KT 4370 9416
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
$$
BPHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 20, 7:06 PM CDT | Severe Thunderstorm Warning | MPX | Morrison, Todd | 39 min |
| Aug 20, 7:51 PM CDT | Special Weather Statement | MPX | Faribault | 24 min |
| Aug 20, 8:59 PM CDT | Special Weather Statement | MPX | Carver | 46 min |
Nearby
Special Weather Statements in Minnesota, 2021Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.