Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

September 16, 2021Kanabec County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Sep 16, 2021, 10:37 PM CDT for Kanabec County, Minnesota. It was in force for 23 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Sep 16, 2021, 10:37 PM CDT (03:37 UTC)
Expired: Sep 16, 2021, 11:00 PM CDT
In force: 23 min
Issued by: NWS Twin Cities, MN
Hail: 0.88 in
Wind: 40

County Kanabec County, MN

The radar

The Duluth radar (KDLH), 123 km from the middle of the area, began a volume at 03:40 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.

What was reported inside it

Time	Report	Where	Remark
Sep 16, 10:40 PM CDT	HAIL 0.88	7 Nw Ogilvie, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 3.6 hours before the alert went out and 284 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: -33 m²/s²
0-3 km storm-relative helicity: 175 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

312 
WWUS83 KMPX 170337
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1037 PM CDT Thu Sep 16 2021
 
MNZ044-045-170400-
Mille Lacs MN-Kanabec MN-
1037 PM CDT Thu Sep 16 2021

...A strong thunderstorm will impact portions of northern Kanabec and
east central Mille Lacs Counties through 1100 PM CDT...

At 1037 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles northwest of Ogilvie, or 28 miles west of Pine City, moving
northeast at 55 mph.

HAZARD...Winds in excess of 40 mph and nickel 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 storm will remain over mainly rural areas of northern Kanabec
and east central Mille Lacs Counties, including the following
locations... Knife Lake and Warman.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4604 9306 4583 9359 4589 9366 4616 9331
      4615 9306
TIME...MOT...LOC 0337Z 231DEG 47KT 4591 9355 

MAX HAIL SIZE...0.88 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
Sep 16, 7:07 PM CDT	Tornado Warning	MPX	Mille Lacs, Morrison	23 min
Sep 16, 7:08 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi	37 min
Sep 16, 7:14 PM CDT	Special Weather Statement	MPX	Chippewa	31 min
Sep 16, 7:18 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville	27 min
Sep 16, 7:30 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	45 min
Sep 16, 7:43 PM CDT	Special Weather Statement	MPX	Mille Lacs	47 min
Sep 16, 7:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Kandiyohi, Renville	31 min
Sep 16, 7:47 PM CDT	Special Weather Statement	MPX	Meeker	28 min
Sep 16, 7:53 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	37 min
Sep 16, 8:12 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, McLeod, Meeker, Renville	33 min
Sep 16, 8:38 PM CDT	Special Weather Statement	MPX	Isanti	37 min
Sep 16, 8:45 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker, Wright	30 min
Sep 16, 9:12 PM CDT	Special Weather Statement	MPX	Hennepin	33 min
Sep 16, 10:24 PM CDT	Special Weather Statement	MPX	Lac qui Parle	36 min
Sep 16, 11:06 PM CDT	Special Weather Statement	MPX	Stearns	24 min
Sep 17, 12:09 AM CDT	Special Weather Statement	MPX	Mille Lacs	36 min
Sep 17, 12:21 AM CDT	Special Weather Statement	MPX	Benton	24 min
Sep 17, 12:47 AM CDT	Special Weather Statement	MPX	Mille Lacs	28 min
Sep 17, 12:55 AM CDT	Special Weather Statement	MPX	Redwood, Yellow Medicine	35 min
Sep 17, 1:10 AM CDT	Special Weather Statement	MPX	Kanabec	20 min
Sep 17, 1:20 AM CDT	Special Weather Statement	MPX	Benton	25 min
Sep 17, 1:29 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Renville	31 min
Sep 17, 1:48 AM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	27 min
Sep 17, 1:53 AM CDT	Special Weather Statement	MPX	McLeod, Sibley	37 min
Sep 17, 2:00 AM CDT	Special Weather Statement	MPX	Brown, Nicollet	30 min
Sep 17, 2:29 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Scott, Sibley	16 min
Sep 17, 2:34 AM CDT	Special Weather Statement	MPX	Le Sueur, Rice	26 min
Sep 17, 2:45 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	15 min
Sep 17, 2:59 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey, Scott, Washington	16 min
Sep 17, 3:15 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Washington	15 min
Sep 17, 3:18 AM CDT	Special Weather Statement	MPX	Goodhue	27 min
Sep 17, 3:30 AM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Polk, Saint Croix	30 min
Sep 17, 4:00 AM CDT	Special Weather Statement	MPX	Barron	30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.