Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

June 9, 2021Goodhue County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 9, 2021, 8:13 PM CDT for Goodhue County, Minnesota. It was in force for 47 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 9, 2021, 8:13 PM CDT (01:13 UTC)
Expired
Jun 9, 2021, 9:00 PM CDT
In force
47 min
Issued by
NWS Twin Cities, MN

County Goodhue County, MN

The radar

The Minneapolis radar (KMPX), 63 km from the middle of the area, began a volume at 01:15 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, 1.2 hours before the alert went out and 65 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 2021-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 765 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 00:00Z on 2021-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
765 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
2305 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

739 
WWUS83 KMPX 100113
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
813 PM CDT Wed Jun 9 2021

MNZ070-078-100200-
Dakota-Goodhue-
813 PM CDT Wed Jun 9 2021

...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN DAKOTA AND WEST
CENTRAL GOODHUE COUNTIES...

At 813 PM CDT, a strong thunderstorm was located near Stanton, or 9
miles east of Northfield, moving northeast at 15 mph.

Winds in excess of 40 mph and pea size hail are possible with this
storm.

Locations impacted include...
Cannon Falls, Stanton and Lake Byllesby. 

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

LAT...LON 4449 9304 4460 9292 4448 9273 4440 9304
TIME...MOT...LOC 0113Z 242DEG 11KT 4445 9297 

$$

TDH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 7:06 PM CDTSevere Thunderstorm WarningMPXDakota, Ramsey, Washington24 min
Jun 9, 7:28 PM CDTSpecial Weather StatementMPXRamsey32 min
Jun 9, 7:30 PM CDTSpecial Weather StatementMPXBenton30 min
Jun 9, 8:42 PM CDTExcessive Heat WarningMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more23 hr
Jun 10, 4:18 AM CDTSpecial Weather StatementMPXDouglas42 min
Jun 10, 5:00 AM CDTSpecial Weather StatementMPXTodd45 min
Jun 10, 2:22 PM CDTSpecial Weather StatementMPXMille Lacs23 min

Nearby

Special Weather Statements in Minnesota, 2021Every special weather statement in 2021

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.