Alert archive / Minnesota / Special Weather Statements in 2019

Special Weather Statement, NWS Twin Cities, MN

September 12, 2019Redwood County, Renville County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Sep 12, 2019, 2:01 AM CDT for Redwood County, Renville County, Yellow Medicine County, Minnesota. It was in force for 119 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: Sep 12, 2019, 2:01 AM CDT (07:01 UTC)
Expired: Sep 12, 2019, 4:00 AM CDT
In force: 119 min
Issued by: NWS Twin Cities, MN

Counties Redwood County, MN, Renville County, MN, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 138 km from the middle of the area, began a volume at 07:02 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 00:00Z, 7.0 hours before the alert went out and 165 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: 613 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 145 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 Sep 12, 12:30 AM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Sep 12, 12:30 AM CDT, 1 hour 31 minutes before

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Hazardous weather outlook, Sep 11, 7:18 PM CDT, 6 hours 43 minutes before

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
718 PM CDT Wed Sep 11 2019

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
130030-
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-
718 PM CDT Wed Sep 11 2019

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

.DAY ONE...Tonight

The main threats overnight are heavy rain and flash flooding,
especially across the southern half of Minnesota where they
received rain last night. One or two severe storms is also
possible.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

The main threats on Thursday are damaging wind or an isolated
tornado, especially in the southern half of Minnesota. Heavy
rainfall and severe storms is also possible.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed and rainfall reports are
appreciated.

jrb

In the hours before

Special weather statement, Sep 11, 11:54 PM CDT, 2 hours 7 minutes before

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Special weather statement, Sep 12, 1:37 AM CDT, 24 minutes before

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Special weather statement, Sep 12, 2:01 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
Sep 11, 8:12 PM CDT	River Flood Warning	MPX	Redwood	21 days
Sep 11, 11:54 PM CDT	Special Weather Statement	MPX	Redwood	2 hr
Sep 12, 1:37 AM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Le Sueur, Nicollet, Waseca, Watonwan	113 min
Sep 12, 3:06 AM CDT	Special Weather Statement	MPX	Goodhue, Le Sueur, Rice, Steele	114 min
Sep 12, 3:55 AM CDT	Special Weather Statement	MPX	Brown, Chippewa, Kandiyohi, Lac qui Parle, Redwood, Renville and 1 more	2 hr
Sep 12, 5:56 AM CDT	Special Weather Statement	MPX	Brown, Chippewa, Kandiyohi, Lac qui Parle, Redwood, Renville and 1 more	3 hr
Sep 12, 6:45 AM CDT	River Flood Warning	MPX	Brown	7 days
Sep 12, 10:26 AM CDT	River Flood Warning	MPX	Renville	21 days
Sep 12, 1:40 PM CDT	Special Weather Statement	MPX	Freeborn	35 min
Sep 12, 1:58 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	32 min
Sep 12, 3:00 PM CDT	Special Weather Statement	MPX	Kandiyohi	45 min
Sep 12, 3:35 PM CDT	Special Weather Statement	MPX	Blue Earth, Faribault	40 min
Sep 12, 4:15 PM CDT	Special Weather Statement	MPX	Blue Earth, Faribault, Le Sueur, Nicollet, Waseca	45 min
Sep 12, 4:29 PM CDT	Special Weather Statement	MPX	Benton	31 min
Sep 12, 4:49 PM CDT	Special Weather Statement	MPX	Eau Claire	56 min
Sep 12, 5:49 PM CDT	Special Weather Statement	MPX	Eau Claire	26 min
Sep 12, 6:42 PM CDT	Special Weather Statement	MPX	Eau Claire, Pepin	3 hr

Nearby

Special Weather Statements in Minnesota, 2019 Every special weather statement in 2019

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.