Alert archive / Minnesota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 13, NWS Twin Cities, MN

June 23, 2023Stearns County, Todd County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 23, 2023, 4:21 PM CDT for Stearns County, Todd County, Minnesota. It was in force for 24 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 23, 2023, 4:21 PM CDT (21:21 UTC)
Expired
Jun 23, 2023, 4:45 PM CDT
In force
24 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 148 km from the middle of the area, began a volume at 21:22 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.

What was reported inside it

TimeReportWhereRemark
Jun 23, 4:34 PM CDTTSTM WND DMG4 Ese West Union, MN20 inch pine tree snapped.
Jun 23, 4:34 PM CDTHAIL 14 Ese West Union, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 146 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 2023-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 139 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 2023-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
139 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1711 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

798 
WUUS53 KMPX 232121
SVRMPX
MNC145-153-232145-
/O.NEW.KMPX.SV.W.0013.230623T2121Z-230623T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
421 PM CDT Fri Jun 23 2023

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  South central Todd County in central Minnesota...
  Northwestern Stearns County in central Minnesota...

* Until 445 PM CDT.

* At 421 PM CDT, a severe thunderstorm was located over Sauk Centre,
  or 21 miles southeast of Alexandria, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Sauk Centre around 430 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4565 9501 4569 9510 4589 9496 4582 9480
TIME...MOT...LOC 2121Z 211DEG 21KT 4572 9500 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

PEM
1 follow-up statement
670 
WWUS53 KMPX 232134
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
434 PM CDT Fri Jun 23 2023

MNC145-153-232145-
/O.CON.KMPX.SV.W.0013.000000T0000Z-230623T2145Z/
Todd MN-Stearns MN-
434 PM CDT Fri Jun 23 2023

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR SOUTH CENTRAL TODD AND NORTHERN STEARNS COUNTIES...

At 434 PM CDT, a severe thunderstorm was located near Sauk Centre, or
20 miles east of Alexandria, moving northeast at 25 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

This severe thunderstorm will remain over mainly rural areas of south
central Todd and northern Stearns Counties, including the following
locations... Little Sauk.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4571 9494 4575 9506 4589 9496 4582 9480
TIME...MOT...LOC 2134Z 204DEG 21KT 4579 9497 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

PEM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 8:03 PM CDTSpecial Weather StatementMPXStearns27 min
Jun 22, 8:44 PM CDTSpecial Weather StatementMPXTodd31 min
Jun 23, 2:49 PM CDTSpecial Weather StatementMPXYellow Medicine26 min
Jun 23, 3:52 PM CDTSpecial Weather StatementMPXChisago23 min
Jun 23, 4:03 PM CDTSpecial Weather StatementMPXChippewa42 min
Jun 23, 4:26 PM CDTSpecial Weather StatementMPXBenton34 min
Jun 23, 4:50 PM CDTSpecial Weather StatementMPXBenton25 min
Jun 23, 5:15 PM CDTSpecial Weather StatementMPXMille Lacs45 min
Jun 23, 5:57 PM CDTSpecial Weather StatementMPXStevens33 min
Jun 23, 6:17 PM CDTSpecial Weather StatementMPXAnoka, Sherburne28 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2023Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.