Alert archive / Wisconsin / Special Weather Statements in 2017

Special Weather Statement, NWS Twin Cities, MN

May 26, 2017Saint Croix County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at May 26, 2017, 6:26 PM CDT for Saint Croix County, Wisconsin. It was in force for 64 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: May 26, 2017, 6:26 PM CDT (23:26 UTC)
Expired: May 26, 2017, 7:30 PM CDT
In force: 64 min
Issued by: NWS Twin Cities, MN

County Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 23:28 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, 11.4 hours before the alert went out and 121 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: 1237 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 162 m²/s²
0-3 km storm-relative helicity: 166 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 May 26, 6:07 PM CDT, 19 minutes earlier.

Area forecast discussion, May 26, 6:07 PM CDT, 19 minutes before

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Hazardous weather outlook, May 26, 1:46 PM CDT, 4 hours 40 minutes before

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
146 PM CDT Fri May 26 2017

MNZ044-045-050>053-059>063-068>070-076>078-084-085-093-WIZ014>016-
023>028-271900-
Mille Lacs-Kanabec-Benton-Sherburne-Isanti-Chisago-Wright-
Hennepin-Anoka-Ramsey-Washington-Carver-Scott-Dakota-Le Sueur-
Rice-Goodhue-Waseca-Steele-Freeborn-Polk-Barron-Rusk-St. Croix-
Pierce-Dunn-Pepin-Chippewa-Eau Claire-
146 PM CDT Fri May 26 2017

This Hazardous Weather Outlook is for portions of central
Minnesota...east central Minnesota...south central Minnesota...
southeast Minnesota...northwest Wisconsin and west central
Wisconsin.

.DAY ONE...This Afternoon and Tonight

Scattered thunderstorms are expected this afternoon for east
central Minnesota into western Wisconsin. The threat for severe
weather is low.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a chance of thunderstorms Sunday and Monday afternoon.
The threat for severe weather is very low.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation will not be needed.

MNZ041>043-047>049-054>058-064>067-073>075-082-083-091-092-271900-
Douglas-Todd-Morrison-Stevens-Pope-Stearns-Lac Qui Parle-Swift-
Chippewa-Kandiyohi-Meeker-Yellow Medicine-Renville-McLeod-Sibley-
Redwood-Brown-Nicollet-Watonwan-Blue Earth-Martin-Faribault-
146 PM CDT Fri May 26 2017

This Hazardous Weather Outlook is for portions of central
Minnesota...south central Minnesota...southwest Minnesota and
west central Minnesota.

.DAY ONE...This Afternoon and Tonight

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a chance of thunderstorms Sunday and Monday afternoon.
The threat for severe weather is very low.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation will not be needed.

In the hours before

Special weather statement, May 26, 5:09 PM CDT, 1 hour 17 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
509 PM CDT FRI MAY 26 2017

MNZ063-262245-
Washington-
509 PM CDT FRI MAY 26 2017

...A THUNDERSTORM WILL AFFECT NORTHERN WASHINGTON COUNTY...

At 509 PM CDT, a thunderstorm was located over Hugo, or 17 miles
northeast of St. Paul, moving northeast at 15 mph.

Pea size hail is possible with this storm.

Locations impacted include...
Hugo, Scandia, Otisville, Marine On St Croix and William OBrien State
Park.

LAT...LON 4526 9275 4521 9275 4519 9277 4517 9275
      4515 9277 4512 9297 4518 9301 4530 9282
TIME...MOT...LOC 2209Z 243DEG 14KT 4517 9294

Special weather statement, May 26, 5:17 PM CDT, 1 hour 9 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
517 PM CDT FRI MAY 26 2017

MNZ052-053-262300-
Isanti-Chisago-
517 PM CDT FRI MAY 26 2017

...A THUNDERSTORM WILL AFFECT CENTRAL CHISAGO AND SOUTHEASTERN
ISANTI COUNTIES...

At 516 PM CDT, a thunderstorm was located near Weber, or 10 miles
southeast of Cambridge, moving east at 20 mph.

Pea size hail is possible with this storm.

Locations impacted include...
North Branch, Branch and Wild River State Park.

This includes Interstate 35 between mile markers 142 and 148.

LAT...LON 4556 9276 4552 9272 4547 9272 4544 9277
      4541 9314 4546 9316 4557 9284
TIME...MOT...LOC 2216Z 251DEG 19KT 4544 9307

Special weather statement, May 26, 5:34 PM CDT, 52 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
534 PM CDT FRI MAY 26 2017

WIZ023-262330-
St. Croix-
534 PM CDT FRI MAY 26 2017

...A THUNDERSTORM WILL AFFECT NORTHERN ST. CROIX COUNTY...

At 533 PM CDT, a thunderstorm was located near Somerset, or 21 miles
north of River Falls, moving east at 30 mph.

Pea size hail is possible with this storm.

Locations impacted include...
New Richmond, Somerset, Star Prairie, Forest, Cylon, Deer Park,
Huntington and New Richmond Airport.

LAT...LON 4509 9226 4513 9275 4515 9276 4521 9275
      4521 9216 4515 9216
TIME...MOT...LOC 2233Z 267DEG 24KT 4517 9271

Special weather statement, May 26, 6:26 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
May 26, 5:09 PM CDT	Special Weather Statement	MPX	Washington	36 min
May 26, 5:17 PM CDT	Special Weather Statement	MPX	Chisago	43 min
May 26, 5:34 PM CDT	Special Weather Statement	MPX	Saint Croix	56 min

Nearby

Special Weather Statements in Wisconsin, 2017 Every special weather statement in 2017

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.