Alert archive / Minnesota / Special Weather Statements in 2020

Special Weather Statement, NWS Twin Cities, MN

June 29, 2020Mille Lacs County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 29, 2020, 3:57 PM CDT for Mille Lacs County, Minnesota. It was in force for 63 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 29, 2020, 3:57 PM CDT (20:57 UTC)
Expired: Jun 29, 2020, 5:00 PM CDT
In force: 63 min
Issued by: NWS Twin Cities, MN

County Mille Lacs County, MN

The radar

The Minneapolis radar (KMPX), 115 km from the middle of the area, began a volume at 21:01 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, 9.0 hours before the alert went out and 115 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: 47 J/kg
Mixed-layer CIN: -327 J/kg
Mixed-layer LCL: 2186 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 300 m²/s²
0-3 km storm-relative helicity: 406 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 29, 12:50 PM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, Jun 29, 12:50 PM CDT, 3 hours 7 minutes before

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Hazardous weather outlook, Jun 29, 12:46 PM CDT, 3 hours 11 minutes before

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
1246 PM CDT Mon Jun 29 2020

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
301800-
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-
1246 PM CDT Mon Jun 29 2020

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

.DAY ONE...This Afternoon and Tonight.

Thunderstorms are expected to redevelop this afternoon and
continue into the overnight hours. The heaviest rainfall will
likely shift north to across central and northern Minnesota
overnight. The threat for severe weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Thunderstorm chances will also be possible Tuesday through
Thursday, with a Wednesday carrying a Marginal Risk of severe
thunderstorms.

Hot and humid conditions will continue through the week. Heat
indices of 95 to 100 degrees are possible by the weekend.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation will not be needed.

In the hours before

Local storm report, Jun 29, 12:01 PM CDT, 3 hours 56 minutes before

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Local storm report, Jun 29, 12:06 PM CDT, 3 hours 51 minutes before

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Local storm report, Jun 29, 12:07 PM CDT, 3 hours 50 minutes before

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Local storm report, Jun 29, 1:39 PM CDT, 2 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
139 PM CDT MON JUN 29 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0430 AM     FLASH FLOOD      2 S WINTHROP            44.52N 94.36W
06/29/2020                   SIBLEY             MN   PUBLIC

            WATER OUT OF MIDDLE BRANCH RUSH RIVER AND
            ONTO ROADS NEAR THE GOLF COURSE AND ALSO
            COUNTY ROAD 1. DITCH ON EAST SIDE OF
            WINTHROP ALSO OVERFLOWING.

0830 AM     FLASH FLOOD      4 NW LAKE CRYSTAL       44.14N 94.29W
06/29/2020                   BLUE EARTH         MN   911 CALL CENTER

            WATER OVER ROAD AT 206TH AND 494TH. REPORT
            OF A MUD SLIDE NEAR HIGHWAY 68 AND COUNTY
            ROAD 42, JUST SOUTH OF JUDSON.

&&

Local storm report, Jun 29, 2:20 PM CDT, 1 hour 37 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
220 PM CDT MON JUN 29 2020

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0200 PM     HEAVY RAIN       1 SSW RIVER FALLS       44.84N 92.63W
06/29/2020  M7.10 INCH       PIERCE             WI   TRAINED SPOTTER

&&

TDH

Special weather statement, Jun 29, 3:57 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
357 PM CDT Mon Jun 29 2020

MNZ043>045-050-052-292200-
Isanti-Benton-Morrison-Mille Lacs-Kanabec-
357 PM CDT Mon Jun 29 2020

...A LINE OF STORMS WILL AFFECT SOUTHERN KANABEC...CENTRAL MILLE
LACS...NORTHWESTERN ISANTI...NORTHERN BENTON AND SOUTHERN MORRISON
COUNTIES...

At 357 PM CDT, radar indicated strong thunderstorms were located
along a line extending from near Flensburg to 7 miles east of
Royalton to Bock. Movement was east at 15 mph.

Winds in excess of 40 mph and nickel size hail are possible with
these storms.

Locations impacted include...
Little Falls, Mora, Milaca, Pierz, Brunswick, Royalton, Foreston,
Upsala, Ogilvie, Bowlus, Flensburg and Quamba.

This includes the following highways...
 U.S. Highway 10 in Minnesota between mile markers 145 and 161.
 U.S. Highway 169 between mile markers 189 and 204.

Torrential rainfall is also occurring with these storms, and may
cause localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 4594 9366 4591 9314 4589 9314 4569 9341
      4576 9417 4583 9463 4601 9453
TIME...MOT...LOC 2057Z 253DEG 13KT 4588 9451 4585 9413 4580 9356

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:06 PM CDT	Tornado Warning	MPX	Goodhue	24 min
Jun 28, 7:14 PM CDT	Special Weather Statement	MPX	Dakota	31 min
Jun 28, 7:25 PM CDT	Special Weather Statement	MPX	Washington	35 min
Jun 28, 7:46 PM CDT	Special Weather Statement	MPX	Dakota	29 min
Jun 28, 10:27 PM CDT	Special Weather Statement	MPX	Washington	2 hr
Jun 28, 10:52 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Nicollet	23 min
Jun 28, 11:15 PM CDT	Special Weather Statement	MPX	Nicollet	45 min
Jun 28, 11:30 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet, Sibley	30 min
Jun 29, 12:01 AM CDT	Special Weather Statement	MPX	Sibley	29 min
Jun 29, 12:21 AM CDT	Tornado Warning	MPX	Sibley	39 min
Jun 29, 12:46 AM CDT	Special Weather Statement	MPX	Renville, Sibley	59 min
Jun 29, 1:19 AM CDT	Flash Flood Warning	MPX	McLeod, Renville, Sibley	3 hr
Jun 29, 1:31 AM CDT	Flash Flood Watch	MPX	Anoka, Blue Earth, Brown, Carver, Chisago, Dakota and 19 more	10 hr
Jun 29, 1:45 AM CDT	Special Weather Statement	MPX	Chippewa	60 min
Jun 29, 2:42 AM CDT	Special Weather Statement	MPX	Carver, Scott	48 min
Jun 29, 3:03 AM CDT	Special Weather Statement	MPX	Dakota, Le Sueur, Rice	57 min
Jun 29, 4:27 AM CDT	Heat Advisory	MPX	Anoka, Carver, Chippewa, Dakota, Hennepin, Lac qui Parle and 6 more	8 hr
Jun 29, 4:29 AM CDT	Special Weather Statement	MPX	Le Sueur, Nicollet, Scott, Sibley	46 min
Jun 29, 4:33 AM CDT	Special Weather Statement	MPX	Dakota, Goodhue, Rice, Washington	57 min
Jun 29, 5:49 AM CDT	Special Weather Statement	MPX	Pope, Swift	56 min
Jun 29, 6:46 AM CDT	Special Weather Statement	MPX	Chippewa, Kandiyohi	59 min
Jun 29, 7:18 AM CDT	Special Weather Statement	MPX	Le Sueur	57 min
Jun 29, 7:23 AM CDT	Flash Flood Warning	MPX	Blue Earth, Brown, Le Sueur, Nicollet	5 hr
Jun 29, 8:17 AM CDT	Special Weather Statement	MPX	Wright	43 min
Jun 29, 8:33 AM CDT	Flash Flood Warning	MPX	Le Sueur, Rice	3 hr
Jun 29, 8:34 AM CDT	Special Weather Statement	MPX	Le Sueur, Rice	26 min
Jun 29, 9:18 AM CDT	Special Weather Statement	MPX	Nicollet, Sibley	57 min
Jun 29, 11:40 AM CDT	Areal Flood Warning	MPX	Le Sueur, Rice	4 hr
Jun 29, 4:27 PM CDT	Special Weather Statement	MPX	Todd	33 min
Jun 29, 5:02 PM CDT	Special Weather Statement	MPX	Morrison, Todd	58 min
Jun 29, 6:04 PM CDT	Special Weather Statement	MPX	Morrison	71 min
Jun 29, 6:42 PM CDT	Flash Flood Warning	MPX	Morrison	5 hr
Jun 28, 7:30 PM CDT	Special Weather Statement	MPX	Pierce	30 min
Jun 28, 7:49 PM CDT	Special Weather Statement	MPX	Pierce	41 min
Jun 28, 7:51 PM CDT	Tornado Warning	MPX	Pierce	24 min
Jun 28, 8:31 PM CDT	Special Weather Statement	MPX	Pierce	29 min
Jun 28, 8:43 PM CDT	Special Weather Statement	MPX	Pierce	17 min
Jun 28, 8:59 PM CDT	Special Weather Statement	MPX	Dunn	61 min
Jun 28, 9:50 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Chippewa, Dunn	25 min
Jun 28, 10:14 PM CDT	Special Weather Statement	MPX	Rusk	46 min
Jun 29, 2:04 AM CDT	Flash Flood Warning	MPX	Barron, Dunn, Pierce, Saint Croix	5 hr
Jun 29, 4:53 AM CDT	Flash Flood Warning	MPX	Dunn, Pierce, Saint Croix	3 hr
Jun 29, 5:08 AM CDT	Special Weather Statement	MPX	Chippewa, Pepin, Rusk	67 min
Jun 29, 6:48 AM CDT	Areal Flood Warning	MPX	Barron, Dunn, Pierce, Polk, Saint Croix	10 hr
Jun 29, 7:40 AM CDT	Areal Flood Warning	MPX	Dunn, Pierce, Saint Croix	5 hr
Jun 29, 12:49 PM CDT	Areal Flood Warning	MPX	Dunn, Pierce, Saint Croix	3 hr
Jun 29, 4:58 PM CDT	Areal Flood Warning	MPX	Pierce, Saint Croix	17 hr

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.