Alert archive / Minnesota / Special Weather Statements in 2023

Special Weather Statement, NWS Twin Cities, MN

August 1, 2023Douglas County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Aug 1, 2023, 7:09 PM CDT for Douglas County, Minnesota. It was in force for 36 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 1, 2023, 7:09 PM CDT (00:09 UTC)
Expired
Aug 1, 2023, 7:45 PM CDT
In force
36 min
Issued by
NWS Twin Cities, MN
Hail
0.75 in
Wind
30

County Douglas County, MN

The radar

The Minneapolis radar (KMPX), 188 km from the middle of the area, began a volume at 00:11 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, 0.2 hours before the alert went out and 186 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 2023-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 154 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 2023-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
154 J/kg
Mixed-layer CIN
-15 J/kg
Mixed-layer LCL
1465 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
82 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

283 
WWUS83 KMPX 020009
SPSMPX

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
709 PM CDT Tue Aug 1 2023
 
MNZ041-020045-
Douglas MN-
709 PM CDT Tue Aug 1 2023

...A strong thunderstorm will impact portions of northeastern Douglas
County through 745 PM CDT...

At 709 PM CDT, Doppler radar was tracking a strong thunderstorm near
Parkers Prairie, or 13 miles northeast of Alexandria. This storm was
nearly stationary.

HAZARD...Winds in excess of 30 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor damage to outdoor objects is 
         possible.

Locations impacted include...
Leaf Valley, Miltona, Belle River, Lake Carlos State Park and Rose
City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 4603 9514 4599 9516 4600 9551 4611 9552
      4611 9515
TIME...MOT...LOC 0009Z 079DEG 1KT 4608 9525 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...30 MPH

$$

Borghoff

Nearby

Special Weather Statements in Minnesota, 2023Every special weather statement in 2023

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.