Alert archive / Minnesota / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 9, NWS Twin Cities, MN

May 30, 2023Carver County, McLeod County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 2023, 6:04 PM CDT for Carver County, McLeod County, Minnesota. It was in force for 26 min. 1 report 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: May 30, 2023, 6:04 PM CDT (23:04 UTC)
Expired: May 30, 2023, 6:30 PM CDT
In force: 26 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Carver County, MN, McLeod County, MN

The radar

The Minneapolis radar (KMPX), 36 km from the middle of the area, began a volume at 23:05 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

Time	Report	Where	Remark
May 30, 6:28 PM CDT	HAIL 0.75	1 Sse Lester Prairie, MN	REPORT FROM MPING: DIME (0.75 IN.).

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, 11.1 hours before the alert went out and 33 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 23 J/kg
Mixed-layer CIN: -176 J/kg
Mixed-layer LCL: 1416 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 298 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted.

908 
WUUS53 KMPX 302304
SVRMPX
MNC019-085-302330-
/O.NEW.KMPX.SV.W.0009.230530T2304Z-230530T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
604 PM CDT Tue May 30 2023

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern McLeod County in central Minnesota...
  Northwestern Carver County in east central Minnesota...

* Until 630 PM CDT.

* At 604 PM CDT, a severe thunderstorm was located near Glencoe, or
  17 miles east of Hutchinson, 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...
  Lester Prairie around 615 PM CDT.

Other locations in the path of this severe thunderstorm include
Mayer, Watertown and Winsted.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4472 9404 4474 9416 4498 9406 4495 9378
TIME...MOT...LOC 2304Z 210DEG 22KT 4479 9405 

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

$$

BPH

1 follow-up statement

712 
WWUS53 KMPX 302327
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
627 PM CDT Tue May 30 2023

MNC019-085-302336-
/O.EXP.KMPX.SV.W.0009.000000T0000Z-230530T2330Z/
McLeod MN-Carver MN-
627 PM CDT Tue May 30 2023

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MCLEOD AND
NORTHWESTERN CARVER COUNTIES WILL EXPIRE AT 630 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
is still possible with this thunderstorm.

LAT...LON 4472 9404 4474 9416 4498 9406 4495 9378
TIME...MOT...LOC 2326Z 210DEG 22KT 4490 9396 

$$

BPH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 3:19 PM CDT	Special Weather Statement	MPX	Stevens	26 min
May 30, 3:43 PM CDT	Special Weather Statement	MPX	Stevens	32 min
May 30, 4:14 PM CDT	Special Weather Statement	MPX	Stevens	31 min
May 30, 5:15 PM CDT	Special Weather Statement	MPX	Wright	30 min
May 30, 5:56 PM CDT	Special Weather Statement	MPX	Carver	34 min
May 30, 6:01 PM CDT	Special Weather Statement	MPX	Wright	29 min
May 30, 6:29 PM CDT	Special Weather Statement	MPX	Carver	46 min
May 30, 6:30 PM CDT	Special Weather Statement	MPX	Wright	45 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2023 Every 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.