Alert archive / Wisconsin / Special Weather Statements in 2024

Special Weather Statement, NWS Twin Cities, MN

July 13, 2024Chisago County, Washington County, Minnesota; Pierce County, Polk County, Saint Croix County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at Jul 13, 2024, 8:38 AM CDT for Chisago County, Washington County, Minnesota; Pierce County, Polk County, Saint Croix County, Wisconsin. 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
Jul 13, 2024, 8:38 AM CDT (13:38 UTC)
Expired
Jul 13, 2024, 9:15 AM CDT
In force
37 min
Issued by
NWS Twin Cities, MN
Hail
0.50 in
Wind
30

Counties Chisago County, MN, Washington County, MN, Pierce County, WI, Polk County, WI, Saint Croix County, WI

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 1.6 hours before the alert went out and 82 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2024-07-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1674 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2024-07-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1674 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jul 13, 8:00 AM CDT, 38 minutes earlier.

Area forecast discussion, Jul 13, 8:00 AM CDT, 38 minutes before
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Hazardous weather outlook, Jul 13, 3:34 AM CDT, 5 hours 4 minutes before
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
334 AM CDT Sat Jul 13 2024

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
140845-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
334 AM CDT Sat Jul 13 2024

This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.

.DAY ONE...Today and Tonight.

Hot and humid conditions are expected today. Heat index values
climb into the upper 90s to low 100s across the region this
afternoon.

Potential for two rounds of thunderstorms today. Morning storms
will move into W MN by sunrise and through central MN by late
morning. Primary hazard will be damaging wind gusts.

A second round of thunderstorms may develop later today into this
evening. The primary hazards with the second round will be
damaging wind gusts and large hail if thunderstorms can develop.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Hot, humid, and potentially stormy this weekend. Heat index
values climb into the upper 90s to low 100s across the region
Sunday. Several chances for strong to severe thunderstorms
through early next week, with damaging wind gusts and large hail
as the primary threats.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed later today.

BPH

In the hours before

Special weather statement, Jul 13, 4:20 AM CDT, 4 hours 18 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
420 AM CDT Sat Jul 13 2024

MNZ054-056-064-131000-
Chippewa MN-Yellow Medicine MN-Lac Qui Parle MN-
420 AM CDT Sat Jul 13 2024

...STRONG THUNDERSTORMS WILL IMPACT LAC QUI PARLE...NORTHWESTERN
CHIPPEWA AND WEST CENTRAL YELLOW MEDICINE COUNTIES THROUGH 500 AM
CDT...

At 420 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Appleton to 5 miles northeast of Lake Alice.
Movement was east at 40 mph.

HAZARD...Wind gusts up to 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Canby, Madison, Dawson, Milan, Porter, Bellingham, Marietta, Cerro
Gordo, Providence, Nassau, Louisburg, and Big Stone National Wildlife
Refuge.

This includes the following highways...
 U.S. Highway 212 between mile markers 1 and 25.
 U.S. Highway 75 between mile markers 95 and 126.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4526 9645 4526 9634 4524 9628 4522 9627
      4522 9622 4519 9617 4519 9614 4515 9604
      4515 9578 4464 9615 4463 9645
TIME...MOT...LOC 0920Z 271DEG 35KT 4519 9600 4492 9654

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

CTG
Special weather statement, Jul 13, 4:39 AM CDT, 3 hours 59 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
439 AM CDT Sat Jul 13 2024

MNZ048-055-131030-
Pope MN-Swift MN-
439 AM CDT Sat Jul 13 2024

...STRONG THUNDERSTORMS WILL IMPACT SOUTHERN POPE AND EASTERN SWIFT
COUNTIES THROUGH 530 AM CDT...

At 439 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 6 miles southeast of Cyrus
to 6 miles northeast of Milan. Movement was east at 35 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Benson, Kerkhoven, Murdock, Lake Hassel, Gilchrist, Clontarf, De
Graff, Danvers, Sedan, Monson Lake State Park, Benson Airport, and
Swift Falls.

This includes U.S. Highway 12 between mile markers 33 and 58.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4541 9580 4541 9575 4547 9575 4558 9567
      4558 9513 4541 9521 4541 9525 4534 9525
      4515 9536 4515 9547 4529 9582
TIME...MOT...LOC 0939Z 256DEG 32KT 4554 9566 4518 9583

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

CTG
Special weather statement, Jul 13, 6:57 AM CDT, 1 hour 41 minutes before
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Special weather statement, Jul 13, 7:12 AM CDT, 1 hour 26 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
Issued by National Weather Service Duluth MN
712 AM CDT Sat Jul 13 2024

MNZ064-131245-
Yellow Medicine MN-
712 AM CDT Sat Jul 13 2024

...A strong thunderstorm will impact portions of eastern Yellow
Medicine County through 745 AM CDT
...

At 712 AM CDT, Doppler radar was tracking a strong thunderstorm over
Clarkfield, or 12 miles south of Montevideo, moving east at 20 mph.

HAZARD...Wind gusts up to 50 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 strong thunderstorm will be near...
  Hanley Falls around 725 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4481 9590 4481 9584 4489 9585 4489 9581
      4481 9553 4480 9553 4479 9550 4478 9553
      4475 9548 4462 9561 4463 9569 4471 9596
TIME...MOT...LOC 1212Z 290DEG 17KT 4477 9576

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

Rothstein
Local storm report, Jul 13, 8:11 AM CDT, 27 minutes before
Preliminary Local Storm Report
National Weather Service Twin Cities/Chanhassen MN
811 AM CDT Sat Jul 13 2024

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0800 AM     Hail             Wood Lake               44.65N 95.54W
07/13/2024  M1.00 Inch       Yellow Medicine    MN   Trained Spotter

&&

JRB
Special weather statement, Jul 13, 8:38 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
Issued by National Weather Service Duluth MN
838 AM CDT Sat Jul 13 2024

MNZ053-062-063-070-078-WIZ014-023-024-131415-
Washington MN-Dakota MN-Goodhue MN-Ramsey MN-Chisago MN-Polk WI-
Pierce WI-St. Croix WI-
838 AM CDT Sat Jul 13 2024

...Strong thunderstorms will impact portions of northeastern Dakota,
southeastern Chisago, northeastern Goodhue, Washington, southeastern
Ramsey, western Pierce, St. Croix and Polk Counties through 915 AM
CDT
...

At 838 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from 5 miles northwest of Milltown to Prescott.
Movement was east at 25 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.

Strong thunderstorms will be near...
  River Falls, Hudson, New Richmond, Somerset, and St. Croix Falls
  around 845 AM CDT.
  Roberts around 850 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4455 9241 4477 9309 4560 9289 4570 9216
TIME...MOT...LOC 1338Z 270DEG 20KT 4557 9260 4477 9280

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...30 MPH

KML

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 3:53 AM CDTSpecial Weather StatementMPXDouglas, Pope, Stevens, Swift67 min
Jul 13, 4:20 AM CDTSpecial Weather StatementMPXLac qui Parle40 min
Jul 13, 4:39 AM CDTSpecial Weather StatementMPXSwift51 min
Jul 13, 6:57 AM CDTSpecial Weather StatementMPXMille Lacs, Sherburne48 min
Jul 13, 7:12 AM CDTSpecial Weather StatementMPXYellow Medicine33 min
Jul 13, 7:25 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine50 min
Jul 13, 12:02 PM CDTSpecial Weather StatementMPXHennepin, Wright43 min
Jul 13, 12:47 PM CDTSpecial Weather StatementMPXWright58 min
Jul 13, 2:54 PM CDTSevere Thunderstorm WarningMPXGoodhue44 min
Jul 13, 3:42 PM CDTSpecial Weather StatementMPXRice33 min
Jul 13, 4:11 PM CDTSevere Thunderstorm WarningMPXGoodhue, Rice34 min
Jul 13, 4:41 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice34 min
Jul 13, 4:44 PM CDTSevere Thunderstorm Warning Considerable damage threatMPXGoodhue, Rice46 min
Jul 13, 4:52 PM CDTSpecial Weather StatementMPXGoodhue23 min
Jul 13, 4:58 PM CDTTornado WarningMPXGoodhue, Rice, Steele32 min
Jul 13, 5:14 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Waseca46 min
Jul 13, 5:23 PM CDTSpecial Weather StatementMPXGoodhue37 min
Jul 13, 5:29 PM CDTSevere Thunderstorm WarningMPXGoodhue16 min
Jul 13, 5:52 PM CDTSevere Thunderstorm WarningMPXRice, Steele, Waseca38 min
Jul 13, 6:28 PM CDTSevere Thunderstorm WarningMPXSteele47 min
Jul 13, 9:17 AM CDTSpecial Weather StatementMPXBarron, Dunn, Pierce, Polk, Saint Croix28 min
Jul 13, 9:57 AM CDTSpecial Weather StatementMPXBarron18 min
Jul 13, 10:13 AM CDTSpecial Weather StatementMPXBarron, Rusk47 min
Jul 13, 10:58 AM CDTSpecial Weather StatementMPXRusk47 min
Jul 13, 2:42 PM CDTSpecial Weather StatementMPXPepin48 min

Nearby

Special Weather Statements in Wisconsin, 2024Special Weather Statements in Minnesota, 2024Every special weather statement in 2024

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.