Alert archive / Minnesota / Special Weather Statements in 2023

Special Weather Statement, NWS Twin Cities, MN

May 9, 2023Pope County, Minnesota

NWS Twin Cities, MN issued this special weather statement at May 9, 2023, 3:37 PM CDT for Pope County, Minnesota. It was in force for 53 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
May 9, 2023, 3:37 PM CDT (20:37 UTC)
Expired
May 9, 2023, 4:30 PM CDT
In force
53 min
Issued by
NWS Twin Cities, MN
Hail
0.75 in
Wind
30

County Pope County, MN

The radar

The Minneapolis radar (KMPX), 185 km from the middle of the area, began a volume at 20:37 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, 8.6 hours before the alert went out and 182 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 2023-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 49 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 12:00Z on 2023-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939587897Sfc1 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
49 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
802 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at May 9, 2:39 PM CDT, 58 minutes earlier.

Area forecast discussion, May 9, 2:39 PM CDT, 58 minutes before
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Hazardous weather outlook, May 9, 2:08 PM CDT, 1 hour 29 minutes before
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
208 PM CDT Tue May 9 2023

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
101915-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-
Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth-
Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk-
St. Croix-Pierce-Dunn-Pepin-Eau Claire-
208 PM CDT Tue May 9 2023

This Hazardous Weather Outlook is for portions of central and
southern Minnesota, and west central Wisconsin.

.DAY ONE...Tonight.

There is a chance of thunderstorms, mainly this evening. Some
storms may produce small hail, but organized severe weather is
not expected.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

There is a chance of thunderstorms Wednesday through Saturday. A
few storms over Minnesota may be strong or severe on Thursday,
with the main hazards being large hail and damaging winds.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation is not anticipated for tonight.

Borghoff

In the hours before

Special weather statement, May 9, 2:13 PM CDT, 1 hour 24 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
213 PM CDT Tue May 9 2023

MNZ064-092000-
Yellow Medicine MN-
213 PM CDT Tue May 9 2023

...A strong thunderstorm will impact portions of central Yellow
Medicine County through 300 PM CDT...

At 213 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northeast of Minneota, or 15 miles northwest of Marshall,
moving north at 20 mph.

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...
  Clarkfield.

This includes U.S. Highway 59 between mile markers 87 and 99.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
office in the Twin Cities.

&&

LAT...LON 4481 9598 4481 9570 4463 9578 4463 9598
TIME...MOT...LOC 1913Z 188DEG 16KT 4466 9591

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

CTG
Special weather statement, May 9, 3:37 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:01 PM CDTSpecial Weather StatementMPXBlue Earth29 min
May 8, 7:08 PM CDTSpecial Weather StatementMPXMartin22 min
May 8, 7:30 PM CDTSpecial Weather StatementMPXRice30 min
May 8, 7:31 PM CDTSpecial Weather StatementMPXWaseca44 min
May 8, 7:32 PM CDTSpecial Weather StatementMPXFaribault43 min
May 8, 7:59 PM CDTSpecial Weather StatementMPXRice31 min
May 8, 8:02 PM CDTSpecial Weather StatementMPXFreeborn28 min
May 8, 8:23 PM CDTSpecial Weather StatementMPXGoodhue37 min
May 9, 1:11 PM CDTSevere Thunderstorm WarningMPXRedwood34 min
May 9, 2:13 PM CDTSpecial Weather StatementMPXYellow Medicine47 min
May 9, 2:45 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle30 min
May 8, 7:04 PM CDTSevere Thunderstorm WarningMPXPepin, Pierce41 min
May 8, 7:08 PM CDTSpecial Weather StatementMPXSaint Croix37 min

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.