Alert archive / Minnesota / Special Weather Statements in 2016

Special Weather Statement, NWS Twin Cities, MN

August 18, 2016Rice County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 18, 2016, 3:02 PM CDT for Rice County, Minnesota. It was in force for 58 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
Aug 18, 2016, 3:02 PM CDT (20:02 UTC)
Expired
Aug 18, 2016, 4:00 PM CDT
In force
58 min
Issued by
NWS Twin Cities, MN

County Rice County, MN

The radar

The Minneapolis radar (KMPX), 47 km from the middle of the area, began a volume at 20:02 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, 8.0 hours before the alert went out and 48 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 2016-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 133 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 2016-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.1939Sfc1 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
133 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
1165 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

808 
WWUS83 KMPX 182002
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
302 PM CDT THU AUG 18 2016

MNZ070-076-077-182100-
DAKOTA-RICE-LE SUEUR-
302 PM CDT THU AUG 18 2016

...A STRONG THUNDERSTORM WILL AFFECT SOUTHWESTERN DAKOTA...NORTHERN
RICE AND NORTHEASTERN LE SUEUR COUNTIES...

AT 302 PM CDT...A STRONG THUNDERSTORM WAS LOCATED OVER
HEIDELBERG...OR 19 MILES NORTHWEST OF FARIBAULT...MOVING EAST AT 30
MPH.

WINDS IN EXCESS OF 30 MPH AND DIME SIZE HAIL ARE POSSIBLE WITH THIS
STORM.

LOCATIONS IMPACTED INCLUDE...
NORTHFIELD...NEW PRAGUE...LONSDALE...MONTGOMERY...WEBSTER...DUNDAS...
NERSTRAND...BRIDGEWATER...HEIDELBERG AND VESELI.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 61 AND 74.
 
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

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 4439 9370 4455 9369 4454 9304 4432 9304
TIME...MOT...LOC 2002Z 275DEG 28KT 4448 9359 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 10:25 AM CDTRiver Flood WarningMPXHennepin, Wright7 days
Aug 18, 1:18 PM CDTSpecial Weather StatementMPXRedwood57 min
Aug 18, 1:43 PM CDTSevere Thunderstorm WarningMPXRedwood47 min
Aug 18, 1:56 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood34 min
Aug 18, 2:06 PM CDTSpecial Weather StatementMPXRenville39 min
Aug 18, 2:18 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood57 min
Aug 18, 2:26 PM CDTSpecial Weather StatementMPXBrown49 min
Aug 18, 2:59 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet61 min
Aug 18, 3:41 PM CDTSpecial Weather StatementMPXSteele, Waseca64 min
Aug 18, 3:47 PM CDTSpecial Weather StatementMPXFreeborn58 min
Aug 18, 3:57 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn, Steele, Waseca63 min
Aug 18, 4:09 PM CDTSevere Thunderstorm WarningMPXSteele, Waseca36 min
Aug 18, 4:45 PM CDTSevere Thunderstorm WarningMPXFreeborn30 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.