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 5, 2021, 8:38 PM CDT for Dakota County, Minnesota. It was in force for 37 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 5, 2021, 8:38 PM CDT (01:38 UTC)
- Expired
- Aug 5, 2021, 9:15 PM CDT
- In force
- 37 min
- Issued by
- NWS Twin Cities, MN
- Hail
- 0.50 in
- Wind
- 30
County Dakota County, MN
The radar
The Minneapolis radar (KMPX), 22 km from the middle of the area, began a volume at 01:40 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, 1.6 hours before the alert went out and 24 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
- 2006 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
142
WWUS83 KMPX 060138
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
838 PM CDT Thu Aug 5 2021
MNZ060-070-060215-
Dakota MN-Hennepin MN-
838 PM CDT Thu Aug 5 2021
...A strong thunderstorm will impact portions of southeastern
Hennepin and northwestern Dakota Counties through 915 PM CDT...
At 838 PM CDT, Doppler radar was tracking a strong thunderstorm over
Bloomington, or 11 miles south of Minneapolis, moving east at 15 mph.
HAZARD...Winds in excess of 30 mph and half inch 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...
Burnsville around 845 PM CDT.
Richfield and MSP International Airport around 855 PM CDT.
Other locations in the path of this storm include Apple Valley,
Bloomington, Eagan, Rosemount and Mendota Heights.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4476 9333 4479 9333 4478 9338 4480 9339
4484 9340 4490 9313 4474 9313
TIME...MOT...LOC 0138Z 266DEG 14KT 4481 9335
MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH
$$
TDHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 7:57 PM CDT | Special Weather Statement | MPX | Anoka | 33 min |
| Aug 5, 8:32 PM CDT | Special Weather Statement | MPX | Washington | 43 min |
| Aug 5, 8:47 PM CDT | Special Weather Statement | MPX | Sibley | 28 min |
| Aug 5, 9:02 PM CDT | Special Weather Statement | MPX | Chisago | 43 min |
| Aug 5, 9:38 PM CDT | Special Weather Statement | MPX | Washington | 52 min |
| Aug 5, 10:42 PM CDT | Special Weather Statement | MPX | Washington | 33 min |
| Aug 5, 8:20 PM CDT | Special Weather Statement | MPX | Polk | 40 min |
| Aug 5, 11:40 PM CDT | Special Weather Statement | MPX | Pierce | 65 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.