Alert archive / Minnesota / Special Weather Statements in 2014

Special Weather Statement, NWS Twin Cities, MN

May 7, 2014Martin County, Minnesota

NWS Twin Cities, MN issued this special weather statement at May 7, 2014, 2:59 AM CDT for Martin County, Minnesota. It was in force for 46 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, 2:59 AM CDT (07:59 UTC)
Expired
May 7, 2014, 3:45 AM CDT
In force
46 min
Issued by
NWS Twin Cities, MN

County Martin County, MN

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.0 hours before the alert went out and 147 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 00:00Z on 2014-05-07Temperature 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 00:00Z on 2014-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2079 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
278 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, 1:05 AM CDT, 1 hour 54 minutes earlier.

Area forecast discussion, May 7, 1:05 AM CDT, 1 hour 54 minutes before
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Hazardous weather outlook, May 6, 9:54 PM CDT, 5 hours 5 minutes before
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In the hours before

Special weather statement, May 7, 2:59 AM CDT, 0 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

The office that day

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

IssuedProductOfficeCountiesLasted
May 7, 4:18 AM CDTSevere Thunderstorm WarningMPXMartin27 min
May 7, 4:51 AM CDTSpecial Weather StatementMPXMartin24 min
May 7, 5:33 AM CDTSpecial Weather StatementMPXWaseca27 min
May 7, 6:04 AM CDTSevere Thunderstorm WarningMPXFreeborn, Steele41 min
May 7, 1:39 PM CDTSpecial Weather StatementMPXLac qui Parle36 min
May 7, 2:26 PM CDTSevere Thunderstorm WarningMPXStevens64 min
May 7, 6:09 PM CDTSpecial Weather StatementMPXFaribault, Martin, Watonwan36 min
May 7, 6:22 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Martin, Watonwan53 min
May 7, 8:19 AM CDTSpecial Weather StatementMPXEau Claire41 min
May 7, 8:41 AM CDTSpecial Weather StatementMPXEau Claire49 min

Nearby

Special Weather Statements in Minnesota, 2014Every 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.