Alert archive / Minnesota / Special Weather Statements in 2020

Special Weather Statement, NWS Twin Cities, MN

June 18, 2020Chippewa County, Pope County, Swift County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 18, 2020, 4:31 AM CDT for Chippewa County, Pope County, Swift County, Minnesota. It was in force for 59 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: Jun 18, 2020, 4:31 AM CDT (09:31 UTC)
Expired: Jun 18, 2020, 5:30 AM CDT
In force: 59 min
Issued by: NWS Twin Cities, MN

Counties Chippewa County, MN, Pope County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 165 km from the middle of the area, began a volume at 09:33 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

Aberdeen, SD (KABR), launched 00:00Z, 9.5 hours before the alert went out and 218 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: 2164 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 1903 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -21 m²/s²
0-3 km storm-relative helicity: 48 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 Jun 18, 4:20 AM CDT, 11 minutes earlier.

Area forecast discussion, Jun 18, 4:20 AM CDT, 11 minutes before

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Hazardous weather outlook, Jun 18, 3:04 AM CDT, 1 hour 27 minutes before

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In the hours before

Special weather statement, Jun 18, 4:31 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 18, 5:31 AM CDT	Special Weather Statement	MPX	Kandiyohi, Pope, Renville	59 min
Jun 18, 6:32 AM CDT	Special Weather Statement	MPX	Kandiyohi, Stearns	58 min
Jun 18, 3:29 PM CDT	Special Weather Statement	MPX	Renville	31 min
Jun 18, 3:56 PM CDT	Special Weather Statement	MPX	Brown	34 min
Jun 18, 4:02 PM CDT	Special Weather Statement	MPX	McLeod	28 min
Jun 18, 4:07 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Renville, Sibley	38 min
Jun 18, 4:30 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Nicollet, Sibley	45 min
Jun 18, 4:35 PM CDT	Special Weather Statement	MPX	Wright	25 min
Jun 18, 4:36 PM CDT	Special Weather Statement	MPX	Watonwan	39 min
Jun 18, 4:36 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Sibley	39 min
Jun 18, 4:58 PM CDT	Special Weather Statement	MPX	Wright	32 min
Jun 18, 5:12 PM CDT	Special Weather Statement	MPX	Watonwan	33 min
Jun 18, 5:15 PM CDT	Special Weather Statement	MPX	Carver, Nicollet, Sibley	45 min
Jun 18, 5:16 PM CDT	Special Weather Statement	MPX	Martin	59 min
Jun 18, 5:32 PM CDT	Special Weather Statement	MPX	Anoka	43 min
Jun 18, 5:45 PM CDT	Special Weather Statement	MPX	Blue Earth	60 min
Jun 18, 5:58 PM CDT	Special Weather Statement	MPX	Faribault	62 min
Jun 18, 6:04 PM CDT	Special Weather Statement	MPX	Dakota	41 min
Jun 18, 6:28 PM CDT	Special Weather Statement	MPX	Dakota, Hennepin, Ramsey, Washington	47 min
Jun 18, 6:52 PM CDT	Special Weather Statement	MPX	Freeborn, Steele, Waseca	23 min

Nearby

Special Weather Statements in Minnesota, 2020 Every special weather statement in 2020

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.