Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Twin Cities, MN

April 21, 2016Watonwan County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Apr 21, 2016, 3:46 PM CDT for Watonwan County, Minnesota. It was in force for 44 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
Apr 21, 2016, 3:46 PM CDT (20:46 UTC)
Expired
Apr 21, 2016, 4:30 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN

County Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 20:48 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, 8.8 hours before the alert went out and 133 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 2016-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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 2016-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.19395878Sfc1 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
11 J/kg
Mixed-layer CIN
-141 J/kg
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
36 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 Apr 21, 12:07 PM CDT, 3 hours 39 minutes earlier.

Area forecast discussion, Apr 21, 12:07 PM CDT, 3 hours 39 minutes before
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  <meta name="viewport" content="width=device-width, initial-scale=1">
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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Hazardous weather outlook, Apr 21, 12:12 PM CDT, 3 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1212 PM CDT THU APR 21 2016

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
221715-
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-
1212 PM CDT THU APR 21 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MINNESOTA...EAST CENTRAL MINNESOTA...SOUTH CENTRAL MINNESOTA...
SOUTHEAST MINNESOTA...SOUTHWEST MINNESOTA...WEST CENTRAL
MINNESOTA...NORTHWEST WISCONSIN AND WEST CENTRAL WISCONSIN.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A CHANCE OF THUNDERSTORMS SATURDAY NIGHT THROUGH
SUNDAY NIGHT...AND TUESDAY NIGHT AND WEDNESDAY.
SEVERE WEATHER IS NOT EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Apr 21, 3:21 PM CDT, 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
321 PM CDT THU APR 21 2016

MNZ044-045-050>053-058>063-065>070-073>078-082>085-091>093-
WIZ014>016-023>028-212230-
MILLE LACS-KANABEC-BENTON-SHERBURNE-ISANTI-CHISAGO-MEEKER-WRIGHT-
HENNEPIN-ANOKA-RAMSEY-WASHINGTON-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-CHIPPEWA-EAU CLAIRE-
INCLUDING THE CITIES OF...PRINCETON...MORA...FOLEY...ELK RIVER...
CAMBRIDGE...CENTER CITY...LITCHFIELD...MONTICELLO...MINNEAPOLIS...
BLAINE...ST PAUL...STILLWATER...OLIVIA...HUTCHINSON...GAYLORD...
CHASKA...SHAKOPEE...HASTINGS...REDWOOD FALLS...NEW ULM...
ST PETER...LE SUEUR...FARIBAULT...RED WING...ST JAMES...MANKATO...
WASECA...OWATONNA...FAIRMONT...BLUE EARTH...ALBERT LEA...
OSCEOLA...RICE LAKE...LADYSMITH...HUDSON...RIVER FALLS...
PRESCOTT...MENOMONIE...DURAND...CHIPPEWA FALLS...EAU CLAIRE
321 PM CDT THU APR 21 2016

WIDELY SCATTERED SHOWERS WILL AFFECT MUCH OF CENTRAL AND SOUTH
CENTRAL MINNESOTA AND WEST CENTRAL WISCONSIN THIS AFTERNOON.
ATMOSPHERIC CONDITIONS WILL BE CONDUCIVE TO THE POTENTIAL FOR
BRIEF HIGH LEVEL FUNNEL CLOUDS WITH THESE SHOWERS THIS AFTERNOON.
HOWEVER...THESE FUNNEL CLOUDS ARE NOT EXPECTED TO TOUCH DOWN.
Special weather statement, Apr 21, 3:46 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
346 PM CDT THU APR 21 2016

MNZ082-212130-
WATONWAN-
346 PM CDT THU APR 21 2016

...A STRONG THUNDERSTORM WILL AFFECT WESTERN WATONWAN COUNTY...

AT 344 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER SVEADAHL...OR 21
MILES NORTHEAST OF WINDOM...MOVING SOUTHEAST AT 15 MPH.

FUNNEL CLOUDS ARE ALSO POSSIBLE WITH THIS STORM AS THEY HAVE
BEEN REPORTED IN MCLEOD COUNTY IN THE PAST HOUR.

PEA SIZE HAIL IS POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ST. JAMES...BUTTERFIELD...SOUTH BRANCH...ODIN...SVEADAHL AND ECHOLS.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4385 9480 4400 9486 4402 9486 4411 9467
      4411 9461 4385 9453
TIME...MOT...LOC 2044Z 325DEG 11KT 4403 9474

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 21, 3:54 PM CDTSpecial Weather StatementMPXWatonwan51 min
Apr 21, 4:15 PM CDTSpecial Weather StatementMPXNicollet45 min
Apr 21, 4:21 PM CDTSpecial Weather StatementMPXAnoka24 min
Apr 21, 4:46 PM CDTSpecial Weather StatementMPXHennepin29 min
Apr 21, 5:08 PM CDTSpecial Weather StatementMPXHennepin22 min
Apr 21, 5:33 PM CDTSpecial Weather StatementMPXHennepin27 min
Apr 21, 5:49 PM CDTSpecial Weather StatementMPXDakota26 min
Apr 21, 5:55 PM CDTSpecial Weather StatementMPXScott35 min
Apr 21, 6:01 PM CDTSpecial Weather StatementMPXNicollet29 min
Apr 21, 6:02 PM CDTSpecial Weather StatementMPXWashington28 min

Nearby

Special Weather Statements in Minnesota, 2016Every special weather statement in 2016

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.