Alert archive / Minnesota / Special Weather Statements in 2015

Special Weather Statement, NWS Twin Cities, MN

August 6, 2015Douglas County, Pope County, Todd County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 6, 2015, 3:16 PM CDT for Douglas County, Pope County, Todd County, Minnesota. It was in force for 59 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 6, 2015, 3:16 PM CDT (20:16 UTC)
Expired
Aug 6, 2015, 4:15 PM CDT
In force
59 min
Issued by
NWS Twin Cities, MN

Counties Douglas County, MN, Pope County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 171 km from the middle of the area, began a volume at 20:20 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.

What was reported inside it

TimeReportWhereRemark
Aug 6, 4:08 PM CDTTORNADO4 W Sunburg, MNSPOTTED OVER A FARM FIELD
Aug 6, 4:20 PM CDTHAIL 1.54 Nne Sunburg, MNMOSTLY NICKEL AND QUARTER SIZED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.3 hours before the alert went out and 169 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 2015-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2015-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
7 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
960 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
81 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.

425 
WWUS83 KMPX 062016
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
316 PM CDT THU AUG 6 2015
 
MNZ041-042-048-049-055-057-062115-
STEARNS-KANDIYOHI-DOUGLAS-POPE-SWIFT-TODD-
316 PM CDT THU AUG 6 2015

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT NORTHWESTERN STEARNS...
POPE...EASTERN DOUGLAS...NORTHWESTERN KANDIYOHI...WESTERN TODD AND
NORTHEASTERN SWIFT COUNTIES...

AT 316 PM CDT...A LINE OF STRONG THUNDERSTORMS WAS ALONG A LINE
EXTENDING FROM NEAR ALMORA TO NEAR LAKE HASSEL...AND MOVING EAST AT
30 MPH.

WINDS IN EXCESS OF 40 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THESE
STORMS.

LOCATIONS IMPACTED INCLUDE...
ALEXANDRIA...SAUK CENTRE...LONG PRAIRIE...GLENWOOD...OSAKIS...
STARBUCK...NEW LONDON...BROWERVILLE...BROOTEN...BELGRADE...CLARISSA
AND EAGLE BEND.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 97 AND 132.
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 45 AND 48.
 U.S. HIGHWAY 8 IN MINNESOTA NEAR MILE MARKER 6.
 U.S. HIGHWAY 71 BETWEEN MILE MARKERS 134 AND 209.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THESE STORMS...AND MAY
CAUSE LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

THESE STORMS MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 4624 9484 4526 9488 4528 9558 4611 9548
      4611 9515 4623 9514
TIME...MOT...LOC 2016Z 266DEG 28KT 4623 9544 4536 9554 
$$

JLT

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 4:07 PM CDTSpecial Weather StatementMPXLac qui Parle53 min
Aug 6, 4:09 PM CDTTornado Warning Tornado observedMPXKandiyohi, Swift36 min
Aug 6, 4:18 PM CDTSpecial Weather StatementMPXTodd42 min
Aug 6, 4:44 PM CDTTornado WarningMPXKandiyohi31 min
Aug 6, 4:54 PM CDTSevere Thunderstorm WarningMPXMorrison, Todd30 min
Aug 6, 5:13 PM CDTSevere Thunderstorm WarningMPXYellow Medicine32 min
Aug 6, 5:14 PM CDTTornado Warning Tornado observedMPXKandiyohi31 min
Aug 6, 5:23 PM CDTTornado WarningMPXYellow Medicine37 min
Aug 6, 5:29 PM CDTFlash Flood WarningMPXKandiyohi3 hr
Aug 6, 5:45 PM CDTTornado WarningMPXKandiyohi30 min
Aug 6, 5:46 PM CDTSevere Thunderstorm WarningMPXYellow Medicine44 min
Aug 6, 6:10 PM CDTTornado Warning Tornado observedMPXMeeker, Stearns23 min
Aug 6, 6:33 PM CDTSpecial Weather StatementMPXRedwood, Renville57 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.