Alert archive / Minnesota / Special Weather Statements in 2024

Special Weather Statement, NWS Twin Cities, MN

July 22, 2024Scott County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 22, 2024, 7:19 PM CDT for Scott County, Minnesota. It was in force for 26 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 22, 2024, 7:19 PM CDT (00:19 UTC)
Expired
Jul 22, 2024, 7:45 PM CDT
In force
26 min
Issued by
NWS Twin Cities, MN
Hail
0.75 in
Wind
50

County Scott County, MN

The radar

The Minneapolis radar (KMPX), 12 km from the middle of the area, began a volume at 00:18 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

Aberdeen, SD (KABR), launched 00:00Z, 0.3 hours before the alert went out and 373 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, Aberdeen, SD at 00:00Z on 2024-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1835 joules per kilogram.LCLEL10008507005003002001001 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, Aberdeen, SD at 00:00Z on 2024-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 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
1835 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1322 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
41 m²/s²
Significant tornado parameter
0.2
Supercell composite
2.5

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 22, 6:52 PM CDT, 27 minutes earlier.

Area forecast discussion, Jul 22, 6:52 PM CDT, 27 minutes before
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Hazardous weather outlook, Jul 22, 2:44 PM CDT, 4 hours 35 minutes before
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
244 PM CDT Mon Jul 22 2024

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
231945-
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-
244 PM CDT Mon Jul 22 2024

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

.DAY ONE...Tonight.

Scattered thunderstorms can be expected this evening into the
overnight hours. No severe weather is expected, but a few storms
may produce heavy rain or small hail.

Areas of fog are possible again late tonight into early tomorrow
morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation will not be needed.

In the hours before

Special weather statement, Jul 22, 5:35 PM CDT, 1 hour 44 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
535 PM CDT Mon Jul 22 2024

MNZ061>063-WIZ023-222300-
Anoka MN-Washington MN-Ramsey MN-St. Croix WI-
535 PM CDT Mon Jul 22 2024

...STRONG THUNDERSTORMS WILL IMPACT SOUTHEASTERN ANOKA...SOUTHERN
WASHINGTON...RAMSEY AND WESTERN ST. CROIX COUNTIES THROUGH 600 PM
CDT...

At 535 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from Spring Lake Park to near Somerset. Movement was
south at 20 mph.

HAZARD...Wind gusts up to 50 mph and half inch 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...
St. Paul, River Falls, Woodbury, Coon Rapids, Blaine, Maplewood,
Roseville, Oakdale, Fridley, Shoreview, White Bear Lake, and New
Brighton.

This includes Interstate 94 in Wisconsin between mile markers 1 and
8.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4487 9257 4487 9302 4492 9305 4492 9313
      4516 9329 4517 9262
TIME...MOT...LOC 2235Z 008DEG 17KT 4513 9325 4512 9272

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

NDC
Local storm report, Jul 22, 6:16 PM CDT, 1 hour 3 minutes before
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Special weather statement, Jul 22, 6:19 PM CDT, 1 hour before
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Local storm report, Jul 22, 6:30 PM CDT, 49 minutes before
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Special weather statement, Jul 22, 6:41 PM CDT, 38 minutes before
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Special weather statement, Jul 22, 7:19 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 4:15 AM CDTSpecial Weather StatementMPXDouglas45 min
Jul 23, 5:46 AM CDTSevere Thunderstorm WarningMPXStevens44 min
Jul 23, 6:23 AM CDTSpecial Weather StatementMPXChippewa37 min
Jul 23, 6:58 AM CDTSpecial Weather StatementMPXChippewa, Lac qui Parle, Swift47 min
Jul 23, 7:39 AM CDTSpecial Weather StatementMPXRedwood, Renville, Yellow Medicine51 min

Nearby

Special 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; radar from the NEXRAD Level II archive.