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Severe Thunderstorm Warning


Severe Thunderstorm Warning
SDC013-091-151145-
/O.NEW.KABR.SV.W.0225.250815T1103Z-250815T1145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Aberdeen SD
603 AM CDT Fri Aug 15 2025

The National Weather Service in Aberdeen has issued a

* Severe Thunderstorm Warning for...
  Northwestern Marshall County in northeastern South Dakota...
  Northeastern Brown County in northeastern South Dakota...

* Until 645 AM CDT.

* At 603 AM CDT, a severe thunderstorm was located near Hecla, or 15
  miles southeast of Ellendale, moving east 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...
  Hecla around 610 AM CDT.

Other locations in the path of this severe thunderstorm include
Sunset Colony.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4575 9791 4575 9834 4594 9833 4593 9782
TIME...MOT...LOC 1103Z 269DEG 23KT 4590 9823

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

$$

06


Flood Warning


Flood Statement
National Weather Service Grand Forks ND
641 PM CDT Thu Aug 14 2025

...The Flood Warning continues for the following rivers in
Minnesota...

  Buffalo River near Dilworth affecting Clay County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message - Turn around, don`t drown. Don`t travel through
flooded areas. Most flood deaths occur in vehicles.

Additional information is available at www.weather.gov.

&&

MNC027-160545-
/O.CON.KFGF.FL.W.0006.000000T0000Z-250818T1030Z/
/DILM5.1.ER.250810T1300Z.250814T0230Z.250817T0430Z.NO/
641 PM CDT Thu Aug 14 2025

...FLOOD WARNING REMAINS IN EFFECT UNTIL MONDAY MORNING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Buffalo River near Dilworth.

* WHEN...Until Monday morning.

* IMPACTS...At 15.0 feet, Gage not accessible above 15 feet.

* ADDITIONAL DETAILS...
  - At 6:00 PM CDT Thursday the stage was 15.4 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 6:00 PM CDT Thursday was 15.6 feet.
  - Forecast...The river is expected to fall below flood stage
    Saturday evening and continue falling to 6.3 feet Thursday,
    August 21.
  - Flood stage is 13.0 feet.


&&

LAT...LON 4692 9650 4684 9652 4689 9669 4704 9681
      4715 9682


$$

Thomas

Flood Statement
National Weather Service Aberdeen SD
1252 PM CDT Thu Aug 14 2025

...The Flood Warning continues for the following rivers in South
Dakota...

  James River at Columbia affecting Brown County.

.For sites with a river forecast, the forecast includes
precipitation through the next 24 hours. Any future precipitation
could affect the forecasts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov/abr.

The next statement will be issued by Friday evening at 900 PM CDT.

&&

SDC013-160200-
/O.CON.KABR.FL.W.0026.000000T0000Z-000000T0000Z/
/CMBS2.1.ER.250811T0315Z.250814T1445Z.000000T0000Z.NO/
1252 PM CDT Thu Aug 14 2025

...FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...James River at Columbia.

* WHEN...Until further notice.

* IMPACTS...At 13.0 feet, flooding of the lower lying agricultural
  areas begins.
  At 15.0 feet, significant amounts of agricultural lands are flooded.

* ADDITIONAL DETAILS...
  - At 12:00 PM CDT Thursday the stage was 14.7 feet.
  - Recent Activity...The maximum river stage in the 24 hours
    ending at 12:00 PM CDT Thursday was 14.8 feet.
  - Forecast...The river is expected to fall to 14.1 feet
    Thursday, August 21.
  - Flood stage is 13.0 feet.
  - http://www.weather.gov/safety/flood

&&

LAT...LON 4586 9817 4563 9827 4552 9818 4552 9830
      4563 9837 4586 9824


$$

TMT


Special Weather Statement


Special Weather Statement
National Weather Service Aberdeen SD
605 AM CDT Fri Aug 15 2025

SDZ006-018-151130-
Brown SD-Spink SD-
605 AM CDT Fri Aug 15 2025

...STRONG THUNDERSTORMS WILL IMPACT SOUTHERN BROWN AND NORTHEASTERN
SPINK COUNTIES THROUGH 630 AM CDT...

At 605 AM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Barnard to Bath to near Stratford.
Movement was east at 40 mph.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Aberdeen, Groton, Bath, Columbia, Westport, Claremont, Putney,
Hutterville Colony, Stratford, Ferney, Verdon, Barnard, Tacoma Park,
and Sand Lake Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4575 9805 4565 9798 4521 9799 4523 9844
      4546 9855 4574 9858
TIME...MOT...LOC 1105Z 256DEG 33KT 4575 9844 4549 9833 4528 9835

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

$$

06

Special Weather Statement
National Weather Service Aberdeen SD
554 AM CDT Fri Aug 15 2025

SDZ006-007-151115-
Marshall SD-Brown SD-
554 AM CDT Fri Aug 15 2025

...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN MARSHALL AND
NORTHERN BROWN COUNTIES THROUGH 615 AM CDT...

At 554 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms near Hecla, or 13 miles southeast of Ellendale, moving
east at 45 mph.

HAZARD...Wind gusts up to 50 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Hecla, Frederick, and Sand Lake Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4577 9823 4581 9866 4594 9851 4593 9782
TIME...MOT...LOC 1054Z 266DEG 39KT 4589 9829

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...50 MPH

$$

06

Special Weather Statement
National Weather Service Aberdeen SD
544 AM CDT Fri Aug 15 2025

SDZ005-006-010-151130-
Brown SD-McPherson SD-Edmunds SD-
544 AM CDT Fri Aug 15 2025

...STRONG THUNDERSTORMS WILL IMPACT NORTHEASTERN EDMUNDS...WESTERN
BROWN AND SOUTHEASTERN MCPHERSON COUNTIES THROUGH 630 AM CDT...

At 543 AM CDT, Doppler radar was tracking a cluster of strong
thunderstorms over Mina, or 12 miles west of Aberdeen, moving east at
25 mph.

HAZARD...Wind gusts up to 50 mph and pea size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Aberdeen, Warner, Leola, Mina Lake Rec Area, Frederick, Bath,
Columbia, Westport, Deerfield Colony, Grassland Colony, Stratford,
Wetonka, Long Lake Colony, Mina, Barnard, Richmond Lake Rec Area, and
Sand Lake Wildlife Refuge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4534 9886 4571 9907 4587 9832 4529 9827
TIME...MOT...LOC 1043Z 270DEG 23KT 4543 9871

MAX HAIL SIZE...0.25 IN
MAX WIND GUST...50 MPH

$$

06


Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Grand Forks ND
521 AM CDT Fri Aug 15 2025

MNZ001>009-013>017-022-023-NDZ006>008-014>016-024-026>030-038-039-
054-161030-
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Towner-Cavalier-Pembina-Benson-Ramsey-
Eastern Walsh-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-
Cass-Western Walsh-
521 AM CDT Fri Aug 15 2025

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Isolated showers and thunderstorms are possible this afternoon
and evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

$$

Hazardous Weather Outlook
National Weather Service Grand Forks ND
521 AM CDT Fri Aug 15 2025

MNZ024-027>032-040-NDZ049-052-053-161030-
Hubbard-West Becker-East Becker-Wilkin-West Otter Tail-
East Otter Tail-Wadena-Grant-Ransom-Sargent-Richland-
521 AM CDT Fri Aug 15 2025

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

There is a level 1 out of 5 risk for severe thunderstorms this
afternoon and evening across southeast North Dakota and west
central Minnesota. Hazards could include hail up to 1 inch in
diameter and wind gusts to 60 mph.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Strong to severe thunderstorms are possible Saturday, mainly south
of the I-94 corridor.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
332 AM CDT Fri Aug 15 2025

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-160845-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
332 AM CDT Fri Aug 15 2025

This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.

.DAY ONE...Today and Tonight

There is a chance for severe storms to develop in the afternoon
and linger into the evening hours. All hazards will be possible
including large hail, damaging winds, and a tornado or two.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

Another wave of rain and potentially strong to severe storms will
be possible Saturday morning. This wave may lead to heavy rain
fall and localized flooding.

Off and on storm chances continue through Monday.

.SPOTTER INFORMATION STATEMENT...

Skywarn spotters may be needed beginning this afternoon.

$$

Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
300 AM CDT Fri Aug 15 2025

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
160800-
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-
300 AM CDT Fri Aug 15 2025

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

.DAY ONE...Today and Tonight.

Isolated to scattered showers and storms arrive this evening and
linger overnight. A few storms may produce damaging wind gusts or
heavy rain.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Heavy rain is the primary threat from multiple rounds of showers
and thunderstorms along a stalled boundary through early next
week. A few storms could also occasionally become severe.

.SPOTTER INFORMATION STATEMENT...

SKYWARN spotter activation may be needed.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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