Alert archive / Minnesota / Special Weather Statements in 2021

Special Weather Statement, NWS Twin Cities, MN

June 9, 2021Morrison County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 9, 2021, 5:20 PM CDT for Morrison County, Minnesota. It was in force for 40 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, 5:20 PM CDT (22:20 UTC)
Expired
Jun 9, 2021, 6:00 PM CDT
In force
40 min
Issued by
NWS Twin Cities, MN

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 135 km from the middle of the area, began a volume at 22:23 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, 10.3 hours before the alert went out and 134 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 2021-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 417 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 2021-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 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
417 J/kg
Mixed-layer CIN
-122 J/kg
Mixed-layer LCL
1661 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
53 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

780 
WWUS83 KMPX 092220
SPSMPX

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

MNZ043-049-092300-
Morrison-Stearns-
520 PM CDT Wed Jun 9 2021

...A LINE OF STORMS WILL AFFECT NORTH CENTRAL STEARNS AND MORRISON
COUNTIES...

At 519 PM CDT, radar indicated strong thunderstorms were located
along a line extending from 5 miles southwest of Randall to near
Albany. Movement was northeast at 35 mph.

Winds in excess of 40 mph and dime size hail are possible with these
storms.

Locations impacted include...
Little Falls, Albany, Pierz, Royalton, Holdingford, Randall, Upsala,
Swanville, Bowlus, Flensburg, Lastrup and Camp Ripley.

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 4616 9437 4616 9381 4599 9381 4582 9415
      4582 9434 4578 9428 4576 9427 4558 9462
      4608 9465 4619 9438
TIME...MOT...LOC 2219Z 231DEG 32KT 4605 9460 4563 9452 

$$

Dye

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 11:04 PM CDTSpecial Weather StatementMPXAnoka26 min
Jun 9, 4:30 PM CDTSpecial Weather StatementMPXStearns15 min
Jun 9, 4:39 PM CDTSpecial Weather StatementMPXStearns21 min
Jun 9, 6:10 PM CDTSpecial Weather StatementMPXRamsey35 min
Jun 9, 6:14 PM CDTSpecial Weather StatementMPXAnoka31 min
Jun 9, 6:22 PM CDTSpecial Weather StatementMPXDakota23 min
Jun 9, 6:26 PM CDTSevere Thunderstorm WarningMPXTodd19 min
Jun 9, 6:48 PM CDTSpecial Weather StatementMPXRamsey42 min
Jun 9, 6:56 PM CDTSpecial Weather StatementMPXBenton34 min
Jun 9, 6:58 PM CDTSpecial Weather StatementMPXDakota17 min
Jun 8, 10:59 PM CDTSpecial Weather StatementMPXPierce31 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.