Alert archive / Minnesota / Special Weather Statements in 2015

Special Weather Statement, NWS Twin Cities, MN

June 22, 2015Redwood County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 22, 2015, 4:21 AM CDT for Redwood County, Minnesota. It was in force for 39 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
Jun 22, 2015, 4:21 AM CDT (09:21 UTC)
Expired
Jun 22, 2015, 5:00 AM CDT
In force
39 min
Issued by
NWS Twin Cities, MN

County Redwood County, MN

The radar

The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 09:22 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 00:00Z, 9.4 hours before the alert went out and 145 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 2015-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 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 00:00Z on 2015-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
10 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2425 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

917 
WWUS83 KMPX 220921
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
421 AM CDT MON JUN 22 2015
 
MNZ073-074-221000-
BROWN-REDWOOD-
421 AM CDT MON JUN 22 2015

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN BROWN AND REDWOOD
COUNTIES THROUGH 5 AM CDT...

AT 420 AM CDT...A STRONG THUNDERSTORM WAS NEAR TRACY...OR 15 MILES
SOUTHEAST OF MARSHALL...MOVING EAST AT 45 MPH.

WINDS IN EXCESS OF 40 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD...MORGAN...WALNUT GROVE...LAMBERTON...WABASSO...
COMFREY...SANBORN...MILROY...LUCAN...CLEMENTS...REVERE AND WANDA.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 AM CDT FOR
SOUTHWESTERN MINNESOTA.

LAT...LON 4445 9559 4446 9491 4411 9488 4411 9510
      4419 9510 4420 9512 4420 9560
TIME...MOT...LOC 0920Z 267DEG 40KT 4431 9555 
$$

LS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 3:38 AM CDTSpecial Weather StatementMPXKanabec22 min
Jun 22, 3:51 AM CDTSevere Thunderstorm WarningMPXKanabec24 min
Jun 22, 4:24 AM CDTSpecial Weather StatementMPXBlue Earth, Brown, Faribault, Freeborn, Waseca, Watonwan36 min
Jun 22, 4:56 AM CDTSpecial Weather StatementMPXYellow Medicine34 min
Jun 22, 5:10 AM CDTSpecial Weather StatementMPXFreeborn, Steele, Waseca50 min
Jun 22, 5:19 AM CDTSevere Thunderstorm WarningMPXWaseca26 min
Jun 22, 5:23 AM CDTSpecial Weather StatementMPXRedwood112 min
Jun 22, 5:23 AM CDTSevere Thunderstorm WarningMPXMartin, Watonwan52 min
Jun 22, 5:34 AM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood41 min
Jun 22, 5:40 AM CDTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca50 min
Jun 22, 6:00 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Faribault, Freeborn, Le Sueur, Martin and 4 more45 min
Jun 22, 6:20 AM CDTSpecial Weather StatementMPXDakota25 min
Jun 22, 6:22 AM CDTHigh Wind WarningMPXBlue Earth, Brown, Faribault, Freeborn, Le Sueur, Martin and 6 more5 hr
Jun 22, 6:23 AM CDTSevere Thunderstorm WarningMPXDakota, Scott22 min
Jun 22, 6:31 AM CDTSevere Thunderstorm WarningMPXFreeborn, Le Sueur, Rice, Steele, Waseca59 min
Jun 22, 7:13 AM CDTSpecial Weather StatementMPXLe Sueur47 min
Jun 22, 7:16 AM CDTWind AdvisoryMPXAnoka, Carver, Chippewa, Dakota, Goodhue, Hennepin and 14 more4 hr
Jun 22, 7:22 AM CDTSpecial Weather StatementMPXFreeborn, Steele, Waseca23 min
Jun 22, 8:12 AM CDTSpecial Weather StatementMPXChisago33 min
Jun 22, 8:29 AM CDTSpecial Weather StatementMPXRamsey31 min
Jun 22, 5:54 PM CDTSpecial Weather StatementMPXRusk36 min

Nearby

Special Weather Statements in Minnesota, 2015Every special weather statement in 2015

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.