Alert archive / Wisconsin / Special Weather Statements in 2014

Special Weather Statement, NWS Twin Cities, MN

May 7, 2014Eau Claire County, Wisconsin

NWS Twin Cities, MN issued this special weather statement at May 7, 2014, 8:19 AM CDT for Eau Claire County, Wisconsin. It was in force for 41 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 7, 2014, 8:19 AM CDT (13:19 UTC)
Expired: May 7, 2014, 9:00 AM CDT
In force: 41 min
Issued by: NWS Twin Cities, MN

County Eau Claire County, WI

The radar

The La Crosse radar (KARX), 109 km from the middle of the area, began a volume at 13:19 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, 1.3 hours before the alert went out and 188 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: 1223 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 153 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 7, 7:03 AM CDT, 1 hour 16 minutes earlier.

Area forecast discussion, May 7, 7:03 AM CDT, 1 hour 16 minutes before

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Hazardous weather outlook, May 7, 4:39 AM CDT, 3 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
439 AM CDT WED MAY 7 2014

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
080945-
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-
439 AM CDT WED MAY 7 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA... AND WEST CENTRAL WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE OUTLOOK
AREA TODAY AND TONIGHT. THUNDERSTORMS ARE LIKELY THIS MORNING
ALONG THE INTERSTATE 90 CORRIDOR AND A FEW OF THE STORMS MAY
PRODUCE LARGE HAIL. THUNDERSTORMS ARE POSSIBLE ACROSS MUCH OF THE
OUTLOOK AREA TONIGHT AND SOME OF THESE STORMS MAY PRODUCE LARGE
HAIL.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE OUTLOOK
AREA THURSDAY AND THURSDAY NIGHT. LARGE HAIL...DAMAGING WINDS
AND TORNADOES ARE POSSIBLE...PRIMARILY THURSDAY AFTERNOON AND
THURSDAY EVENING. HEAVY RAINFALL MAY DEVELOP ON THURSDAY AS WELL.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED A TIMES FROM WEDNESDAY
NIGHT INTO THURSDAY NIGHT.

RAH

In the hours before

Special weather statement, May 7, 2:59 AM CDT, 5 hours 20 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
259 AM CDT WED MAY 7 2014

MNZ091-070845-
MARTIN-
259 AM CDT WED MAY 7 2014

...STRONG THUNDERSTORMS DEVELOPING OVER MARTIN COUNTY THROUGH 345 AM
CDT...

AT 257 AM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 4 MILES SOUTH OF FAIRMONT. THIS STORM WAS MOVING
NORTHEAST AT 15 MPH.

HAIL UP TO DIME SIZE AND WINDS UP TO 40 MPH ARE EXPECTED WITH THIS
STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  WILBERT.
  FAIRMONT.
  GRANADA.

LAT...LON 4375 9445 4374 9426 4354 9425 4354 9466
TIME...MOT...LOC 0759Z 220DEG 15KT 4359 9446

Special weather statement, May 7, 4:51 AM CDT, 3 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
451 AM CDT WED MAY 7 2014

MNZ091-092-071015-
FARIBAULT-MARTIN-
451 AM CDT WED MAY 7 2014

...THUNDERSTORMS MOVING IOVER FARIBAULT AND MARTIN COUNTIES THROUGH
515 AM CDT...

AT 449 AM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 12 MILES NORTHEAST OF FAIRMONT...OR 20 MILES SOUTH OF
MADELIA. THIS STORM WAS MOVING NORTHEAST AT 10 MPH.

HAIL UP TO DIME SIZE IS EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
RURAL NORTHEAST MARTIN COUNTY AND RURAL NORTHWEST FARIBAULT COUNTY.

LAT...LON 4376 9447 4385 9439 4385 9409 4371 9425
TIME...MOT...LOC 0950Z 218DEG 8KT 4378 9429

Special weather statement, May 7, 5:33 AM CDT, 2 hours 46 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
533 AM CDT WED MAY 7 2014

MNZ083-084-092-093-071100-
BLUE EARTH-FARIBAULT-FREEBORN-WASECA-
533 AM CDT WED MAY 7 2014

...THUNDERSTORMS MOVING OVER BLUE EARTH...FARIBAULT...FREEBORN AND
WASECA COUNTIES THROUGH 600 AM CDT...

AT 531 AM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 19 MILES NORTHEAST OF BLUE EARTH...OR 28 MILES SOUTHEAST
OF MINNEOPA STATE PARK. THIS STORM WAS MOVING EAST AT 30 MPH.

HAIL UP TO PENNY SIZE IS EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  MINNESOTA LAKE.
  WELLS.
  WALDORF.
  FREEBORN.
  OTISCO.

LAT...LON 4395 9350 4373 9349 4373 9393 4392 9394
TIME...MOT...LOC 1033Z 264DEG 26KT 4382 9380

Local storm report, May 7, 6:26 AM CDT, 1 hour 53 minutes before

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Local storm report, May 7, 7:22 AM CDT, 57 minutes before

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Special weather statement, May 7, 8:19 AM 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 7, 2:59 AM CDT	Special Weather Statement	MPX	Martin	46 min
May 7, 4:18 AM CDT	Severe Thunderstorm Warning	MPX	Martin	27 min
May 7, 4:51 AM CDT	Special Weather Statement	MPX	Martin	24 min
May 7, 5:33 AM CDT	Special Weather Statement	MPX	Waseca	27 min
May 7, 6:04 AM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele	41 min
May 7, 1:39 PM CDT	Special Weather Statement	MPX	Lac qui Parle	36 min
May 7, 2:26 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	64 min
May 7, 6:09 PM CDT	Special Weather Statement	MPX	Faribault, Martin, Watonwan	36 min
May 7, 6:22 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Martin, Watonwan	53 min
May 7, 8:41 AM CDT	Special Weather Statement	MPX	Eau Claire	49 min

Nearby

Special Weather Statements in Wisconsin, 2014 Every special weather statement in 2014

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.