River Flood Warning 67, NWS Sioux Falls, SD

126 
WGUS83 KFSD 271439
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
939 AM CDT Wed May 27 2020

...The Flood Warning continues for the following rivers in South 
Dakota...Iowa...
  
  James River At Huron
  James River Near Forestburg
  James River At Mitchell
  James River Near Scotland
  Ocheyedan River Near Spencer
  Little Sioux River near Milford
  Little Sioux River Above Spencer / Highway 18
  Little Sioux River at Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

SDC005-281838-
/O.CON.KFSD.FL.W.0010.000000T0000Z-000000T0000Z/
/HURS2.3.ER.200305T0930Z.200321T1515Z.000000T0000Z.NO/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The James River At Huron.
* until further notice.
* At 09AM Wednesday the stage was 12.83 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 11.00 feet.
* Forecast...The river will continue to slowly fall.
* At stages near 14.0 feet...Numerous county and township roads in 
Beadle County will be flooded. 

&&
 
LAT...LON 4463 9833 4463 9821 4449 9810 4420 9810
          4420 9822 4447 9824

$$

SDC111-281838-
/O.CON.KFSD.FL.W.0007.000000T0000Z-000000T0000Z/
/FORS2.3.ER.200302T0425Z.200525T1641Z.000000T0000Z.NR/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The James River Near Forestburg.
* until further notice.
* At 09AM Wednesday the stage was 14.03 feet.
* Moderate flooding is occurring and Moderate flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...The river will continue to slowly fall.
* At stages near 14.0 feet...Many of the county and township roads 
along the river are under water. 

&&
 
LAT...LON 4420 9822 4420 9810 4402 9802 4393 9798
          4393 9812 4409 9816

$$

SDC035-061-281838-
/O.CON.KFSD.FL.W.0006.000000T0000Z-000000T0000Z/
/JRMS2.2.ER.200226T1615Z.200403T0600Z.000000T0000Z.NO/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The James River At Mitchell.
* until further notice.
* At 08AM Wednesday the stage was 19.43 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 17.00 feet.
* Forecast...The river will remain near 19.4 feet.
* At stages near 20.0 feet...The higher banks overflow. 

&&
 
LAT...LON 4393 9812 4393 9798 4370 9789 4340 9763
          4338 9777 4351 9797

$$

SDC067-135-281838-
/O.EXT.KFSD.FL.W.0063.000000T0000Z-200604T0600Z/
/SCOS2.1.ER.200518T1418Z.200527T0430Z.200603T0600Z.NO/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The James River Near Scotland.
* until Thursday June 04.
* At 08AM Wednesday the stage was 13.78 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 13.00 feet.
* Forecast...The river will remain near 13.8 feet.
* At stages near 14.0 feet...Approximately 4400 acres of farm land 
are flooded between Mitchell and Yankton. 

&&
 
LAT...LON 4338 9777 4340 9763 4321 9755 4308 9736
          4308 9750 4317 9769

$$

IAC041-281838-
/O.EXT.KFSD.FL.W.0067.000000T0000Z-200529T1800Z/
/SPOI4.1.ER.200527T0230Z.200527T1800Z.200528T1800Z.NO/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The Ocheyedan River Near Spencer.
* until Friday afternoon.
* At 08AM Wednesday the stage was 8.40 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 8.00 feet.
* Forecast...The river will crest near 8.5 feet by Wednesday May 27. 
  The river will fall below flood stage Thursday May 28.
* At stages near 8.0 feet...Minor flooding of pasture land begins. 

&&
 
LAT...LON 4313 9529 4317 9527 4314 9521 4314 9515
          4313 9515 4311 9520

$$

IAC041-059-281838-
/O.CON.KFSD.FL.W.0064.000000T0000Z-000000T0000Z/
/MIFI4.2.ER.200517T2117Z.200521T0615Z.000000T0000Z.NO/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The Little Sioux River near Milford.
* until further notice.
* At 08AM Wednesday the stage was 13.20 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...The river will remain near 13.2 feet through Thursday.
* At stages near 14.0 feet...Significant amounts of pasture and other
farm lands begin to flood. 

&&
 
LAT...LON 4341 9527 4341 9521 4334 9520 4331 9515
          4324 9517 4329 9524

$$

IAC041-281838-
/O.CON.KFSD.FL.W.0066.000000T0000Z-000000T0000Z/
/SPII4.1.ER.200518T1637Z.200522T0530Z.000000T0000Z.UU/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The Little Sioux River Above Spencer / Highway 18.
* until further notice.
* At 09AM Wednesday the stage was 1322.64 feet.
* Flood stage is 1322.00 feet.

&&
 
LAT...LON 4329 9524 4324 9517 4321 9517 4314 9523
          4324 9529

$$

IAC041-281838-
/O.CON.KFSD.FL.W.0065.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.200518T1615Z.200528T0000Z.000000T0000Z.NO/
939 AM CDT Wed May 27 2020

The Flood Warning continues for
  The Little Sioux River at Spencer.
* until further notice.
* At 08AM Wednesday the stage was 11.82 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 10.00 feet.
* Forecast...The river will crest near 12.0 feet by Wednesday May 27 
  then begin falling.

&&
 
LAT...LON 4321 9517 4314 9503 4299 9503 4302 9510
          4310 9511 4314 9523

$$

&& 
Location Flood    Latest Observed     Maximum Forecast  Recent Observed
         Stage    Stage  Time         Stage  Time       Crest Time

JAMES RIVER
HURS2      11.0     12.83 Wed 9 AM                        13.8  Sun May 17
FORS2      12.0     14.03 Wed 9 AM                        14.2  Mon May 25
JRMS2      17.0     19.43 Wed 9 AM                        19.6  Sun May 24
SCOS2      13.0     13.78 Wed 8 AM    13.8  Wed 1 PM    

OCHEYEDAN RIVER
SPOI4       8.0      8.40 Wed 9 AM     8.5  Wed 1 PM    

LITTLE SIOUX RIVER
MIFI4      12.0     13.20 Wed 8 AM                        14.2  Thu May 21
SPII4    1322.0   1322.64 Wed 9 AM                      1322.8  Fri May 22
SPWI4      10.0     11.82 Wed 8 AM    12.0  Wed 7 PM 

MG

511 
WGUS83 KFSD 281407
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
906 AM CDT Thu May 28 2020

...The Flood Warning continues for the following rivers in Iowa...
  
  Ocheyedan River Near Spencer
  Little Sioux River near Milford
  Little Sioux River Above Spencer / Highway 18
  Little Sioux River at Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

IAC041-291800-
/O.CON.KFSD.FL.W.0067.000000T0000Z-200529T1800Z/
/SPOI4.1.ER.200527T0230Z.200528T0215Z.200528T1800Z.NO/
906 AM CDT Thu May 28 2020

The Flood Warning continues for
  The Ocheyedan River Near Spencer.
* until Friday afternoon.
* At 08AM Thursday the stage was 8.11 feet.
* Flood stage is 8.00 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Thursday May 28.
* At stages near 8.0 feet...Minor flooding of pasture land begins. 

&&
 
LAT...LON 4313 9529 4317 9527 4314 9521 4314 9515
          4313 9515 4311 9520

$$

IAC041-059-291805-
/O.EXT.KFSD.FL.W.0064.000000T0000Z-200603T0600Z/
/MIFI4.2.ER.200517T2117Z.200521T0615Z.200602T0600Z.NO/
906 AM CDT Thu May 28 2020

The Flood Warning continues for
  The Little Sioux River near Milford.
* until late Tuesday night.
* At 08AM Thursday the stage was 12.87 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 12.00 feet.
* Forecast...The river will continue to fall to below flood stage by 
  Tuesday June 02.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
lands begins. 

&&
 
LAT...LON 4341 9527 4341 9521 4334 9520 4331 9515
          4324 9517 4329 9524

$$

IAC041-291805-
/O.CON.KFSD.FL.W.0066.000000T0000Z-000000T0000Z/
/SPII4.1.ER.200518T1637Z.200522T0530Z.000000T0000Z.UU/
906 AM CDT Thu May 28 2020

The Flood Warning continues for
  The Little Sioux River Above Spencer / Highway 18.
* until further notice.
* At 08AM Thursday the stage was 1322.65 feet.
* Flood stage is 1322.00 feet.

&&
 
LAT...LON 4329 9524 4324 9517 4321 9517 4314 9523
          4324 9529

$$

IAC041-291805-
/O.CON.KFSD.FL.W.0065.000000T0000Z-000000T0000Z/
/SPWI4.1.ER.200518T1615Z.200528T0900Z.000000T0000Z.NO/
906 AM CDT Thu May 28 2020

The Flood Warning continues for
  The Little Sioux River at Spencer.
* until further notice.
* At 08AM Thursday the stage was 12.02 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 10.00 feet.
* Forecast...The river will continue to fall to a stage of 11.6 feet 
  by 7 AM Friday.

&&
 
LAT...LON 4321 9517 4314 9503 4299 9503 4302 9510
          4310 9511 4314 9523

$$

&& 
Location Flood    Latest Observed     Recent Observed
         Stage    Stage  Time         Crest Time

OCHEYEDAN RIVER
SPOI4       8.0      8.11 Thu 9 AM       8.6  Wed May 27

LITTLE SIOUX RIVER
MIFI4      12.0     12.87 Thu 8 AM      14.2  Thu May 21
SPII4    1322.0   1322.65 Thu 9 AM    1322.8  Fri May 22
SPWI4      10.0     12.02 Thu 8 AM      12.1  Thu May 28

MG

797 
WGUS83 KFSD 282146
FLSFSD
Flood Statement
National Weather Service Sioux Falls SD
446 PM CDT Thu May 28 2020

...The Flood Warning is cancelled for the following rivers in Iowa...

  Ocheyedan River Near Spencer
 
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest 
forecasts. 
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Safety message...Do not drive cars through flooded areas. the water 
depth and road condition may be unsafe.

Additional information is available at 
 
http://water.weather.gov/ahps2/index.php?wfo=fsd

Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.

The next scheduled statement will be issued tomorrow morning.

&&

IAC041-282216-
/O.CAN.KFSD.FL.W.0067.000000T0000Z-200529T1800Z/
/SPOI4.1.ER.200527T0230Z.200528T0215Z.200528T1951Z.NO/
446 PM CDT Thu May 28 2020

The Flood Warning is cancelled for
  The Ocheyedan River Near Spencer.
* At 03PM Thursday the stage was 7.93 feet.
* Flood stage is 8.00 feet.
* Recent activity...The river fell below flood stage on Thursday May 
  28.
* Forecast...The river will continue to fall to 7.4 feet by 7 AM 
  Friday.
* At stages near 8.0 feet...minor flooding of pasture land begins. 

&&
 
LAT...LON 4313 9529 4317 9527 4314 9521 4314 9515
          4313 9515 4311 9520

$$

&& 
Location Flood    Latest Observed   Recent Observed
         Stage    Stage  Time       Crest Time

OCHEYEDAN RIVER
SPOI4    8.0      7.93 Thu 4 PM     8.6  Wed May 27

MG

AREA FORECAST DISCUSSION
National Weather Service Sioux Falls SD
648 PM CDT Tue May 26 2020

.SHORT TERM...(This Evening through Wednesday)
Issued at 236 PM CDT Tue May 26 2020

Vorticity maxima lifting northward out of southwestern Iowa has
assisted in developing convection across much of central Iowa at
mid- afternoon. Further northwest, light rain persists along I-29
and areas further east into Minnesota and Iowa. We'll be keeping a
close eye on an inverted trough beginning to form just southeast
of the forecast area. Latest observations support this trough
residing just east of Storm Lake, with model guidance indicating
this front may stall along the far eastern tier of counties by
mid-late afternoon. MLCAPE values east of this boundary may climb
up towards 1000 J/KG, with enhancement in 0-1 helicity along the
boundary. While shortwave energy will favor pushing convection
further more north and east during the afternoon, it's not
inconceivable to have a storm to two drift further west and
interact with this boundary. While the overall severe weather
risks remains on the lower end, the greatest threat would come
from a brief tornado and marginal hail. The greatest risk
timeframe would be from 3pm to 5pm.

Tonight: Most of the area remains dry tonight, outside of a narrow
corridor where lingering showers may persist along a Storm Lake
to Spencer line into the overnight hours. Light winds may lead to
minor fog development further west, but this may be tempered by
increasing cirrus.

Wednesday: Wednesday again should remain dry as the forecast area
remains stuck between in the weak flow between a stronger northern
stream jet over the Canadian border and the upper low across
Arkansas.   Latest guidance continues to hint that weak surface
convergence will stay southeast of the forecast area and this should
keep any meaning shower chance out of the forecast area.

.LONG TERM...(Wednesday Night through Tuesday)
Issued at 236 PM CDT Tue May 26 2020

Thursday: More dominate northerly flow aloft will nudge southward
early Thursday morning. A few lingering showers may move into the
Missouri River valley Thursday morning but are expected to weaken
and diminish after daybreak. Temperatures Thursday will climb into
the lower 70s.

Friday: High pressure moving through the region, along with a
prevailing northwesterly flow at the low and mid-lvls will keep dry
conditions around for Friday. Temperatures remain in the 70s.

Saturday: GFS/EC both rather consistent on a subtle shortwave moving
southeast early Saturday morning.  Warm advection induced by this
shortwave will produce showers and perhaps even isolated
thunderstorms through the Missouri River valley. Northerly winds
through the day will keep high temperatures on the cool side again,
with highs stuck in the 60s.

Sunday-Tuesday: Mid-lvl heights begin to rise quickly on Sunday and
into next week, which should signal a rise to above normal
temperatures for much of the region as we finish May and start June.
Confidence increased for this pattern shift, as no strong blocking
is expected to develop to prevent heights from rising further east
in the CONUS. Highs will rise into the 80s into the middle of next
week.

&&

.AVIATION...(For the 00Z TAFS through 00Z Wednesday evening)
Issued at 641 PM CDT Tue May 26 2020

Cloud cover will slowly decrease from west to east over the next
24 hours. Although clouds will clear for areas west of I-29
overnight, fog is not expected to become a major issue because
areas that see clearing skies will also have a drier air mass in
place. Places that remain in the moist air mass east of I-29 will
retain thick low to mid-level clouds, which reduces radiational
cooling and prevents fog from becoming thick there as well. Light
northerly to northwesterly winds develop Wednesday morning and
continue throughout the day.

&&

.FSD WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
MN...NONE.
IA...NONE.
NE...NONE.
&&

SHORT TERM...Dux
LONG TERM...Dux
AVIATION...VandenBoogart

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
436 AM CDT Tue May 26 2020

IAZ001-012-020-031-MNZ071-072-080-089-097-098-NEZ013-014-SDZ038>040-
050-052>071-270945-
Lyon-Sioux-Plymouth-Woodbury-Lincoln-Murray-Nobles-Pipestone-Rock-
Dixon-Dakota-Beadle-Kingsbury-Brookings-Gregory-Jerauld-Sanborn-
Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha-
Charles Mix-Douglas-Hutchinson-Turner-Bon Homme-Yankton-Clay-Union-
436 AM CDT Tue May 26 2020

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, central South
Dakota, east central South Dakota, south central South Dakota and
southeast South Dakota.

.DAY ONE...Today and tonight.

Patchy fog is possible through mid-late morning. Widespread fog is
not expected.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

IAZ002-003-013-014-021-022-032-MNZ081-090-270945-
Osceola-Dickinson-O'Brien-Clay-Cherokee-Buena Vista-Ida-Cottonwood-
Jackson-
436 AM CDT Tue May 26 2020

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa and southwest Minnesota.

.DAY ONE...Today and tonight.

Patchy fog is possible through mid-late morning. Widespread fog is
not expected.

Scattered thunderstorms are expected to develop this afternoon into
early evening. While the severe weather threat is low; some storms
could become strong with gusty winds, small hail and lightning.
Brief and weak funnel clouds will also be possible.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

Special Weather Statement
National Weather Service Sioux Falls SD
455 PM CDT Tue May 26 2020

IAZ014-021-022-032-270200-
Clay-Cherokee-Buena Vista-Ida-
Including the cities of Spencer, Cherokee, Storm Lake, Ida Grove,
Holstein, and Battle Creek
455 PM CDT Tue May 26 2020

Scattered thunderstorms forming along a weak boundary...situated
across portions of northwestern Iowa...may produce brief funnel
clouds. Any funnel clouds that develop are expected to be weak and
not touch the ground. However if you feel your safety is
threatened please seek shelter.