Alert archive / Minnesota / Special Weather Statements in 2013

Special Weather Statement, NWS Twin Cities, MN

May 17, 2013Redwood County, Minnesota

NWS Twin Cities, MN issued this special weather statement at May 17, 2013, 3:25 PM CDT for Redwood County, Minnesota. It was in force for 50 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 17, 2013, 3:25 PM CDT (20:25 UTC)
Expired
May 17, 2013, 4:15 PM CDT
In force
50 min
Issued by
NWS Twin Cities, MN

County Redwood County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 149 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 2013-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2013-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
183 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 17, 12:12 PM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, May 17, 12:12 PM CDT, 3 hours 13 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Hazardous weather outlook, May 17, 10:29 AM CDT, 4 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1029 AM CDT FRI MAY 17 2013

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
181530-
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-
1029 AM CDT FRI MAY 17 2013

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED NON-SEVERE THUNDERSTORMS WILL OCCUR ACROSS SOUTHERN
MINNESOTA...WITH SOME BRIEF HEAVY RAINFALL AND SMALL HAIL IN THE
STRONGEST STORMS THIS AFTERNOON AND EVENING. MORE THUNDERSTORMS
ARE EXPECTED LATE TONIGHT ACROSS WEST CENTRAL MINNESOTA...SOME OF
WHICH WILL BE LOCALLY STRONG.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SEVERAL ROUNDS OF THUNDERSTORMS ARE EXPECTED THROUGH TUESDAY.
ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE...ESPECIALLY SATURDAY
EVENING INTO SATURDAY NIGHT OVER FAR WESTERN AND SOUTHWESTERN
MINNESOTA...AND ACROSS MUCH OF CENTRAL AND SOUTHERN MINNESOTA
INTO WESTERN WISCONSIN SUNDAY.

RAINFALL AMOUNTS COULD EXCEED 4 INCHES BY TUESDAY. THESE AMOUNTS
MAY CAUSE SIGNIFICANT RISES IN RIVERS AND STREAMS...AND MAY ALSO
CAUSE URBAN FLOODING CONCERNS.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED OVER THE WEEKEND.

JLT

In the hours before

Special weather statement, May 17, 3:25 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
325 PM CDT FRI MAY 17 2013

MNZ073-172115-
REDWOOD-
325 PM CDT FRI MAY 17 2013

...THUNDERSTORMS DEVELOPING OVER REDWOOD COUNTY...

AT 323 PM CDT...RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY
DEVELOPING 11 MILES NORTHEAST OF TRACY. THESE STORMS WAS MOVING NORTH
AT 10 MPH.

ONE HALF INCH DIAMETER HAIL...WINDS UP TO 40 MPH...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THESE STORMS THROUGH 4 PM.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  WANDA.
  MILROY.
  LUCAN.
  WABASSO.
  VESTA.

LAT...LON 4454 9554 4452 9502 4424 9529 4428 9557
TIME...MOT...LOC 2024Z 190DEG 9KT 4433 9544

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 3:37 PM CDTSevere Thunderstorm WarningMPXRedwood53 min

Nearby

Special Weather Statements in Minnesota, 2013Every special weather statement in 2013

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.