Alert archive / Minnesota / Special Weather Statements in 2022

Special Weather Statement, NWS Twin Cities, MN

April 12, 2022Waseca County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Apr 12, 2022, 12:59 PM CDT for Waseca County, Minnesota. It was in force for 31 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: Apr 12, 2022, 12:59 PM CDT (17:59 UTC)
Expired: Apr 12, 2022, 1:30 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Hail: 0.50 in
Wind: 30

County Waseca County, MN

The radar

The Minneapolis radar (KMPX), 83 km from the middle of the area, began a volume at 18:03 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, 6.0 hours before the alert went out and 82 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2105 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 298 m²/s²
0-3 km storm-relative helicity: 309 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 Apr 12, 6:44 AM CDT, 6 hours 15 minutes earlier.

Area forecast discussion, Apr 12, 6:44 AM CDT, 6 hours 15 minutes before

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Hazardous weather outlook, Apr 12, 11:53 AM CDT, 1 hour 6 minutes before

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In the hours before

Special weather statement, Apr 12, 12:59 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1259 PM CDT Tue Apr 12 2022

MNZ076-083-084-121830-
Le Sueur MN-Waseca MN-Blue Earth MN-
1259 PM CDT Tue Apr 12 2022

...A strong thunderstorm will impact portions of southeastern Le
Sueur, east central Blue Earth and northwestern Waseca Counties
through 130 PM CDT...

At 1259 PM CDT, Doppler radar was tracking a strong thunderstorm near
Pemberton, or 13 miles southeast of Mankato, moving northeast at 60
mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

This strong thunderstorm will be near...
  Janesville around 110 PM CDT.
  Elysian around 115 PM CDT.

Other locations in the path of this storm include Waterville.

This includes U.S. Highway 14 between mile markers 141 and 151.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4397 9398 4432 9370 4431 9353 4421 9352
      4393 9382
TIME...MOT...LOC 1759Z 215DEG 52KT 4399 9387

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

ETA

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 1:30 PM CDT	Special Weather Statement	MPX	Rice	30 min
Apr 12, 1:57 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Rice	48 min
Apr 12, 6:10 PM CDT	Special Weather Statement	MPX	Martin	35 min
Apr 12, 6:38 PM CDT	Severe Thunderstorm Warning	MPX	Martin	37 min
Apr 12, 6:47 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	28 min
Apr 12, 6:57 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Watonwan	48 min
Apr 12, 2:36 PM CDT	Special Weather Statement	MPX	Dunn, Pierce	54 min

Nearby

Special Weather Statements in Minnesota, 2022 Every special weather statement in 2022

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.