Alert archive / Wisconsin / Special Weather Statements in 2019

Special Weather Statement, NWS Twin Cities, MN

August 27, 20195 counties in Wisconsin

NWS Twin Cities, MN issued this special weather statement at Aug 27, 2019, 3:59 PM CDT for 5 counties in Wisconsin. It was in force for 61 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 27, 2019, 3:59 PM CDT (20:59 UTC)
Expired: Aug 27, 2019, 5:00 PM CDT
In force: 61 min
Issued by: NWS Twin Cities, MN

Counties Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Rusk County, WI

The radar

The La Crosse radar (KARX), 157 km from the middle of the area, began a volume at 21:01 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 12:00Z, 9.0 hours before the alert went out and 195 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: 31 J/kg
Mixed-layer CIN: -168 J/kg
Mixed-layer LCL: 1396 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 50 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 Aug 27, 2:57 PM CDT, 1 hour 2 minutes earlier.

Area forecast discussion, Aug 27, 2:57 PM CDT, 1 hour 2 minutes before

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Hazardous weather outlook, Aug 27, 11:45 AM CDT, 4 hours 14 minutes before

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
1145 AM CDT Tue Aug 27 2019

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
281100-
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-
1145 AM CDT Tue Aug 27 2019

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

.DAY ONE...This Afternoon and Tonight

Isolated to scattered thunderstorms will be possible this
afternoon into early evening. There is a Marginal Risk for severe
thunderstorms in east central Minnesota through west central
Wisconsin. The main hazards are large hail and damaging winds.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Due to the isolated nature of the severe weather today, SKYWARN
spotter activation is not expected.

In the hours before

Special weather statement, Aug 27, 2:18 PM CDT, 1 hour 41 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
218 PM CDT Tue Aug 27 2019

MNZ070-078-WIZ024-272000-
Dakota-Goodhue-Pierce-
218 PM CDT Tue Aug 27 2019

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN DAKOTA...NORTHERN
GOODHUE AND SOUTHERN PIERCE COUNTIES...

At 218 PM CDT, a strong thunderstorm was located near Cannon Falls,
or 15 miles west of Red Wing, moving east at 45 mph.

Wind gusts up to 50 mph and pea size hail are possible with this
storm.

Locations impacted include...
Red Wing, Cannon Falls, Welch, Bay City, Frontenac, Vasa, Diamond
Bluff, Wacouta, Miesville, New Trier, Central Point and Esdaile.

This includes U.S. Highway 61 between mile markers 82 and 104.

LAT...LON 4447 9272 4452 9300 4469 9293 4468 9225
      4454 9226 4454 9231 4450 9230 4447 9227
      4445 9227
TIME...MOT...LOC 1918Z 274DEG 41KT 4460 9287

Special weather statement, Aug 27, 2:20 PM CDT, 1 hour 39 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
220 PM CDT Tue Aug 27 2019

WIZ023-025-272015-
St. Croix-Dunn-
220 PM CDT Tue Aug 27 2019

...A STRONG THUNDERSTORM WILL AFFECT WEST CENTRAL DUNN AND SOUTHERN
ST. CROIX COUNTIES...

At 220 PM CDT, a strong thunderstorm was located over Oakdale, or 8
miles northeast of St. Paul, moving east at 40 mph.

Winds in excess of 30 mph and pea size hail are possible with this
storm.

Locations impacted include...
Hammond, Baldwin, Roberts, Woodville, Glenwood City, Boyceville,
Knapp, Downing, Wilson and Hersey.

This includes Interstate 94 in Wisconsin between mile markers 6 and
41.

LAT...LON 4484 9196 4486 9214 4486 9252 4494 9266
      4505 9262 4507 9192
TIME...MOT...LOC 1920Z 273DEG 36KT 4499 9295

Special weather statement, Aug 27, 2:51 PM CDT, 1 hour 8 minutes before

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Special weather statement, Aug 27, 2:54 PM CDT, 1 hour 5 minutes before

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Special weather statement, Aug 27, 3:21 PM CDT, 38 minutes before

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Special weather statement, Aug 27, 3:59 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.

Issued	Product	Office	Counties	Lasted
Aug 26, 7:55 PM CDT	Special Weather Statement	MPX	Isanti, Kanabec	35 min
Aug 26, 7:59 PM CDT	Special Weather Statement	MPX	Anoka	46 min
Aug 27, 12:28 PM CDT	Special Weather Statement	MPX	Anoka	47 min
Aug 27, 12:30 PM CDT	Special Weather Statement	MPX	Wright	45 min
Aug 27, 12:46 PM CDT	Special Weather Statement	MPX	Wright	44 min
Aug 27, 12:47 PM CDT	Special Weather Statement	MPX	Stearns	43 min
Aug 27, 12:51 PM CDT	Special Weather Statement	MPX	McLeod	39 min
Aug 27, 1:05 PM CDT	Special Weather Statement	MPX	Mille Lacs	40 min
Aug 27, 1:09 PM CDT	Special Weather Statement	MPX	Stearns	36 min
Aug 27, 1:12 PM CDT	Special Weather Statement	MPX	Scott	33 min
Aug 27, 1:14 PM CDT	Special Weather Statement	MPX	Kanabec	16 min
Aug 27, 1:19 PM CDT	Special Weather Statement	MPX	Anoka	41 min
Aug 27, 1:31 PM CDT	Special Weather Statement	MPX	Sibley	59 min
Aug 27, 1:33 PM CDT	Severe Thunderstorm Warning	MPX	Washington	21 min
Aug 27, 1:39 PM CDT	Special Weather Statement	MPX	Dakota	36 min
Aug 27, 1:53 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	37 min
Aug 27, 1:58 PM CDT	Special Weather Statement	MPX	Dakota	32 min
Aug 27, 2:06 PM CDT	Special Weather Statement	MPX	Anoka	39 min
Aug 27, 2:18 PM CDT	Special Weather Statement	MPX	Goodhue	42 min
Aug 27, 2:51 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	39 min
Aug 27, 2:54 PM CDT	Special Weather Statement	MPX	Rice	36 min
Aug 27, 1:07 PM CDT	Special Weather Statement	MPX	Saint Croix	38 min
Aug 27, 2:01 PM CDT	Special Weather Statement	MPX	Barron	44 min
Aug 27, 2:08 PM CDT	Special Weather Statement	MPX	Pierce	52 min
Aug 27, 2:20 PM CDT	Special Weather Statement	MPX	Saint Croix	55 min
Aug 27, 3:21 PM CDT	Special Weather Statement	MPX	Barron, Dunn	39 min

Nearby

Special Weather Statements in Wisconsin, 2019 Every special weather statement in 2019

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.