Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

July 28, 2021Carver County, Wright County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 28, 2021, 6:45 AM CDT for Carver County, Wright County, Minnesota. It was in force for 30 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: Jul 28, 2021, 6:45 AM CDT (11:45 UTC)
Expired: Jul 28, 2021, 7:15 AM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Hail: 0.50 in
Wind: 40

Counties Carver County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 46 km from the middle of the area, began a volume at 11:47 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, 11.8 hours before the alert went out and 43 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 4029 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1142 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 6.6

Open this sounding in Storm Lab

The text

As transmitted.

067 
WWUS83 KMPX 281145
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
645 AM CDT Wed Jul 28 2021
 
MNZ058>060-066-068-281215-
Hennepin MN-McLeod MN-Carver MN-Meeker MN-Wright MN-
645 AM CDT Wed Jul 28 2021

...A strong thunderstorm will impact portions of southern Wright,
west central Hennepin, east central Meeker, northeastern McLeod and
northwestern Carver Counties through 715 AM CDT...

At 645 AM CDT, Doppler radar was tracking a strong thunderstorm over
Cokato, or 15 miles southwest of Buffalo, moving east at 35 mph.

HAZARD...Winds in excess of 40 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...
  Howard Lake around 650 AM CDT.
  Winsted around 655 AM CDT.
  Montrose around 700 AM CDT.

Other locations in the path of this storm include Delano, Watertown,
Minnetrista, Rockford and Independence.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4498 9433 4518 9429 4524 9368 4480 9378
TIME...MOT...LOC 1145Z 279DEG 32KT 4506 9414 

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

$$

TDH

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 28, 4:13 AM CDT	Special Weather Statement	MPX	Pope, Stevens	32 min
Jul 28, 4:19 AM CDT	Special Weather Statement	MPX	Todd	26 min
Jul 28, 4:45 AM CDT	Special Weather Statement	MPX	Stearns	30 min
Jul 28, 4:46 AM CDT	Special Weather Statement	MPX	Chippewa, Pope, Stevens, Swift	44 min
Jul 28, 4:53 AM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens	28 min
Jul 28, 4:54 AM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	36 min
Jul 28, 5:29 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	46 min
Jul 28, 6:17 AM CDT	Special Weather Statement	MPX	Meeker	28 min
Jul 28, 7:19 AM CDT	Special Weather Statement	MPX	Carver, Le Sueur, Nicollet	41 min
Jul 28, 11:43 AM CDT	Special Weather Statement	MPX	Chisago	32 min
Jul 28, 11:59 AM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	31 min
Jul 28, 12:28 PM CDT	Special Weather Statement	MPX	Saint Croix	32 min
Jul 28, 12:54 PM CDT	Special Weather Statement	MPX	Pierce	36 min

Nearby

Special Weather Statements in Minnesota, 2021 Every 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.