Alert archive / Iowa / River Flood Warnings in 2015
River Flood Warning 15, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this river flood warning at Dec 14, 2015, 9:05 AM CST for Clay County, Iowa. It took effect at Dec 14, 2015, 6:00 PM CST. It was in force for 5 days.
The area
The outline as issued.
The facts
- Issued
- Dec 14, 2015, 9:05 AM CST (15:05 UTC)
- In effect from
- Dec 14, 2015, 6:00 PM CST
- Expired
- Dec 19, 2015, 9:19 AM CST
- In force
- 5 days
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Flood severity
- Minor
County Clay County, IA
The radar
The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 15:08 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 river
Written for the forecast point Little Sioux River at Spencer (SPWI4).
- Action stage
- 9 ft
- Minor stage
- 10 ft
- Moderate stage
- 14 ft
- Major stage
- 16 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted, in the capitals the NWS used until 2016.
923
WGUS43 KFSD 141505
FLWFSD
BULLETIN - IMMEDIATE BROADCAST REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE SIOUX FALLS SD
905 AM CST MON DEC 14 2015
...The National Weather Service in Sioux Falls has issued a flood
warning for the following rivers in Iowa...
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.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://www.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.
&&
IAC041-151905-
/O.NEW.KFSD.FL.W.0015.151215T0400Z-151219T1200Z/
/SPWI4.1.ER.151215T0400Z.151216T0000Z.151218T1200Z.NO/
905 AM CST MON DEC 14 2015
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Little Sioux River At Spencer.
* from this evening to Saturday morning.
* At 08AM Monday the stage was 9.5 feet.
* Minor flooding is forecast.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by 10 PM Monday and crest near
10.7 feet by Wednesday December 16. The river will fall below flood
stage by Friday December 18.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-151905-
/O.NEW.KFSD.FL.W.0016.151215T0000Z-000000T0000Z/
/LNNI4.1.ER.151215T0000Z.151217T1200Z.000000T0000Z.NO/
905 AM CST MON DEC 14 2015
The National Weather Service in Sioux Falls has issued a
* Flood Warning for
The Little Sioux River At Linn Grove.
* from this evening until further notice.
* At 08AM Monday the stage was 17.9 feet.
* Minor flooding is forecast.
* Flood stage is 18.0 feet.
* Forecast...Rise above flood stage by 6 PM Monday and crest near
18.8 feet by Friday December 18.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST
STAGE STAGE TIME STAGE TIME
LITTLE SIOUX RIVER
SPWI4 10.0 9.50 Mon 8 AM 10.7 Tue 6 PM
LNNI4 18.0 17.87 Mon 8 AM 18.8 Thu 6 AM
mg7 follow-up statements
420
WGUS83 KFSD 142156
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
356 PM CST MON DEC 14 2015
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.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://www.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.
&&
IAC041-160156-
/O.EXT.KFSD.FL.W.0015.151215T0000Z-151219T1200Z/
/SPWI4.1.ER.151215T0000Z.151215T1800Z.151218T1200Z.NO/
356 PM CST MON DEC 14 2015
The Flood Warning continues for
The Little Sioux River At Spencer.
* until Saturday morning.
* At 03PM Monday the stage was 9.9 feet.
* Flood stage is 10.0 feet.
* Forecast...Rise above flood stage by 6 PM Monday and crest near
10.4 feet by Tuesday December 15. The river will fall below flood
stage by Friday December 18.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-160156-
/O.EXT.KFSD.FL.W.0016.151214T2149Z-000000T0000Z/
/LNNI4.1.ER.151214T1807Z.151217T1200Z.000000T0000Z.NO/
356 PM CST MON DEC 14 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until further notice.
* At 03PM Monday the stage was 18.0 feet.
* Flood stage is 18.0 feet.
* Recent activity...The river rose above flood stage on Monday
December 14.
* Forecast...Crest near 18.6 feet by Thursday December 17.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
LITTLE SIOUX RIVER
SPWI4 10.0 9.90 Mon 3 PM 10.4 Tue 12 PM
LNNI4 18.0 18.03 Mon 3 PM 18.6 Thu 6 AM475
WGUS83 KFSD 151522
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
922 AM CST TUE DEC 15 2015
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River Near Milford
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.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://www.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.
&&
IAC041-059-161922-
/O.CON.KFSD.FL.W.0017.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.151215T0030Z.151215T1400Z.000000T0000Z.NO/
922 AM CST TUE DEC 15 2015
The Flood Warning continues for
The Little Sioux River Near Milford.
* until further notice.
* At 08AM Tuesday the stage was 12.1 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Monday
December 14.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
lands begins.
&&
LAT...LON 4350 9533 4350 9526 4334 9519 4334 9516
4328 9517 4329 9524
$$
IAC041-161922-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-151219T1800Z/
/SPWI4.1.ER.151214T2300Z.151216T0000Z.151218T1800Z.NO/
922 AM CST TUE DEC 15 2015
...Flood Warning extended until 12 PM Saturday...
The Flood Warning continues for
The Little Sioux River At Spencer.
* until Saturday afternoon.
* At 08AM Tuesday the stage was 10.6 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Monday
December 14.
* Forecast...The river will crest near 10.7 feet by Tuesday December
15. The river will fall below flood stage Friday December 18.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-161922-
/O.CON.KFSD.FL.W.0016.000000T0000Z-000000T0000Z/
/LNNI4.1.ER.151214T1807Z.151217T1200Z.000000T0000Z.NO/
922 AM CST TUE DEC 15 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until further notice.
* At 09AM Tuesday the stage was 18.2 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 18.7 feet by Thursday December
17 then begin falling.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
LITTLE SIOUX RIVER
MIFI4 12.0 12.14 Tue 8 AM 12.1 Tue Dec 15
SPWI4 10.0 10.60 Tue 8 AM 10.7 Tue 6 PM
LNNI4 18.0 18.21 Tue 9 AM 18.7 Thu 6 AM
MG477
WGUS83 KFSD 161634
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1034 AM CST WED DEC 16 2015
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River Near Milford
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://www.water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC041-059-172034-
/O.CON.KFSD.FL.W.0017.000000T0000Z-000000T0000Z/
/MIFI4.1.ER.151215T0030Z.151216T0900Z.000000T0000Z.NO/
1034 AM CST WED DEC 16 2015
The Flood Warning continues for
The Little Sioux River Near Milford.
* until further notice.
* At 09AM Wednesday the stage was 12.1 feet.
* Flood stage is 12.0 feet.
* Recent activity...The river rose above flood stage on Monday
December 14.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
lands begins.
&&
LAT...LON 4350 9533 4350 9526 4334 9519 4334 9516
4328 9517 4329 9524
$$
IAC041-172034-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-151219T0600Z/
/SPWI4.1.ER.151214T2300Z.151216T1515Z.151218T0600Z.NO/
1034 AM CST WED DEC 16 2015
The Flood Warning continues for
The Little Sioux River At Spencer.
* until late Friday night.
* At 09AM Wednesday the stage was 11.0 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river rose above flood stage on Monday
December 14.
* Forecast...The river will continue to fall to below flood stage by
Friday December 18.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-172033-
/O.CON.KFSD.FL.W.0016.000000T0000Z-000000T0000Z/
/LNNI4.1.ER.151214T1807Z.151217T1200Z.000000T0000Z.NO/
1034 AM CST WED DEC 16 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until further notice.
* At 10AM Wednesday the stage was 18.6 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 18.9 feet by Thursday December
17 then begin falling.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
LITTLE SIOUX RIVER
MIFI4 12.0 12.12 Wed 9 AM 12.2 Wed Dec 16
SPWI4 10.0 11.00 Wed 9 AM 11.0 Wed Dec 16
LNNI4 18.0 18.59 Wed 10 AM 18.9 Thu 6 AM
MG942
WGUS83 KFSD 171857
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1257 PM CST THU DEC 17 2015
...The Flood Warning is cancelled for the following rivers in Iowa...
Little Sioux River Near Milford
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.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://www.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.
&&
IAC041-059-171927-
/O.CAN.KFSD.FL.W.0017.000000T0000Z-151217T1857Z/
/MIFI4.1.ER.151215T0030Z.151216T0900Z.151217T1408Z.NO/
1257 PM CST THU DEC 17 2015
The Flood Warning is cancelled for
The Little Sioux River Near Milford.
* At 12PM Thursday the stage was 11.6 feet.
* Flood stage is 12.0 feet.
* At stages near 12.0 feet...Minor flooding of low lying agricultural
lands begins.
&&
LAT...LON 4350 9533 4350 9526 4334 9519 4334 9516
4328 9517 4329 9524
$$
IAC041-182257-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-151219T1600Z/
/SPWI4.1.ER.151214T2300Z.151216T1515Z.151218T1600Z.NO/
1257 PM CST THU DEC 17 2015
The Flood Warning continues for
The Little Sioux River At Spencer.
* until Saturday morning.
* At 12PM Thursday the stage was 10.7 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will continue to fall to below flood stage by
Friday December 18.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-182257-
/O.EXT.KFSD.FL.W.0016.000000T0000Z-151222T0600Z/
/LNNI4.1.ER.151214T1807Z.151218T0000Z.151221T0600Z.NO/
1257 PM CST THU DEC 17 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until late Monday night.
* At 12PM Thursday the stage was 18.7 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will rise to 18.8 feet by 6 PM Thursday.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED MAXIMUM FORECAST RECENT OBSERVED
STAGE STAGE TIME STAGE TIME CREST TIME
LITTLE SIOUX RIVER
MIFI4 12.0 11.63 Thu 12 PM 12.2 Wed Dec 16
SPWI4 10.0 10.68 Thu 12 PM 11.0 Wed Dec 16
LNNI4 18.0 18.69 Thu 12 PM 18.8 Thu 6 PM
MG544
WGUS83 KFSD 181609
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1009 AM CST FRI DEC 18 2015
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://www.water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC041-192009-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-151220T0400Z/
/SPWI4.1.ER.151214T2300Z.151216T1515Z.151219T0400Z.NO/
1009 AM CST FRI DEC 18 2015
The Flood Warning continues for
The Little Sioux River At Spencer.
* until Saturday evening.
* At 09AM Friday the stage was 10.2 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will fall below flood stage early Saturday
morning.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-192009-
/O.EXT.KFSD.FL.W.0016.000000T0000Z-151222T1800Z/
/LNNI4.1.ER.151214T1807Z.151218T1245Z.151221T1800Z.NO/
1009 AM CST FRI DEC 18 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until Tuesday afternoon.
* At 09AM Friday the stage was 18.8 feet.
* Flood stage is 18.0 feet.
* Forecast...The river is near crest now.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED RECENT OBSERVED
STAGE STAGE TIME CREST TIME
LITTLE SIOUX RIVER
SPWI4 10.0 10.22 Fri 9 AM 11.0 Wed Dec 16
LNNI4 18.0 18.79 Fri 9 AM 18.9 Fri Dec 18
MG665
WGUS83 KFSD 190453
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1052 PM CST FRI DEC 18 2015
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River At Spencer
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://www.water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC041-200852-
/O.EXT.KFSD.FL.W.0015.000000T0000Z-151220T1200Z/
/SPWI4.1.ER.151214T2300Z.151216T1515Z.151219T1200Z.NO/
1052 PM CST FRI DEC 18 2015
The Flood Warning continues for
The Little Sioux River At Spencer.
* until Sunday morning.
* At 08PM Friday the stage was 10.1 feet.
* Flood stage is 10.0 feet.
* Forecast...The river will rise to 10.1 feet by 12 AM Saturday.
* At stages near 10.0 feet...The right bank overflows, and minor
flooding of the Spencer city park and some rural agricultural areas
begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-200852-
/O.EXT.KFSD.FL.W.0016.000000T0000Z-151223T0600Z/
/LNNI4.1.ER.151214T1807Z.151218T1245Z.151222T0600Z.NO/
1052 PM CST FRI DEC 18 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until late Tuesday night.
* At 10PM Friday the stage was 18.8 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will crest near 18.8 feet by Saturday December
19. The river will fall below flood stage Tuesday December 22.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED RECENT OBSERVED
STAGE STAGE TIME CREST TIME
LITTLE SIOUX RIVER
SPWI4 10.0 10.06 Fri 8 PM 11.0 Wed Dec 16
LNNI4 18.0 18.76 Fri 10 PM 18.9 Fri Dec 18
ADAMS093
WGUS83 KFSD 191519
FLSFSD
FLOOD STATEMENT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
919 AM CST SAT DEC 19 2015
...The Flood Warning is cancelled for the following rivers in Iowa...
Little Sioux River At Spencer
...The Flood Warning continues for the following rivers in Iowa...
Little Sioux River At Linn Grove
.The following river forecasts include forecast precipitation through
tonight. Any additional future rains could affect the crest
forecasts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Safety message...Do not drive cars through flooded areas. the water
depth and road condition may be unsafe.
Additional information is available at
http://www.water.weather.gov/ahps2/index.php?wfo=fsd
Stay tuned for further updates by listening to NOAA weather radio...
or your local radio and TV stations.
The next scheduled statement will be issued tomorrow morning.
&&
IAC041-191549-
/O.CAN.KFSD.FL.W.0015.000000T0000Z-151220T1200Z/
/SPWI4.1.ER.151214T2300Z.151216T1515Z.151219T0345Z.NO/
919 AM CST SAT DEC 19 2015
The Flood Warning is cancelled for
The Little Sioux River At Spencer.
* At 12AM Saturday the stage was 9.9 feet.
* Flood stage is 10.0 feet.
* Recent activity...The river fell below flood stage at 10 PM Friday.
* Forecast...The river will continue to fall to 9.3 feet by 6 AM
Sunday.
* At stages near 9.5 feet...The lower left bank overflows and very
minor flooding of low lands begins.
&&
LAT...LON 4315 9518 4315 9512 4315 9505 4299 9503
4302 9510 4310 9510
$$
IAC021-041-201919-
/O.CON.KFSD.FL.W.0016.000000T0000Z-151223T0600Z/
/LNNI4.1.ER.151214T1807Z.151218T1245Z.151222T0600Z.NO/
919 AM CST SAT DEC 19 2015
The Flood Warning continues for
The Little Sioux River At Linn Grove.
* until late Tuesday night.
* At 09AM Saturday the stage was 18.7 feet.
* Flood stage is 18.0 feet.
* Forecast...The river will remain steady this weekend, then
slowly fall.
* At stages near 18.5 feet...The city park in Sioux Rapids is
flooded.
&&
LAT...LON 4302 9510 4299 9503 4287 9512 4288 9536
4296 9543 4293 9520
$$
&&
LOCATION FLOOD LATEST OBSERVED RECENT OBSERVED
STAGE STAGE TIME CREST TIME
LITTLE SIOUX RIVER
SPWI4 10.0 9.91 Sat 12 AM 11.0 Wed Dec 16
LNNI4 18.0 18.67 Sat 9 AM 18.9 Fri Dec 18What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sioux Falls, SD wrote its last area forecast discussion before this river flood warning went out at Dec 14, 5:52 AM CST, 3 hours 13 minutes earlier.
Area forecast discussion, Dec 14, 5:52 AM CST, 3 hours 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SIOUX FALLS SD
552 AM CST MON DEC 14 2015
.SHORT TERM...(TODAY AND TONIGHT)
ISSUED AT 406 AM CST MON DEC 14 2015
INTENSE UPPER LEVEL LOW PRESSURE RESIDES NEAR KANSAS CITY THIS
MORNING...WITH A WHOLE OF OF RAINFALL WRAPPING BACK THROUGH
NORTHWESTERN IOWA. TRAJECTORIES IN THE LOWER TO MID LEVELS
ACCURATELY DEFINE A SHARP BACK EDGE TO DEEPER MOISTURE...WHICH WILL
LIKELY FAIL TO BACK ALL THE WAY INTO THE SIOUX FALLS METRO. PRECIP
BAND SHOULD REACH ITS MOST WESTWARD EXTENT IN THE NEXT FEW HOURS...
THEN BEGIN A SLOW WRAPPING TO THE EAST AS DRIER AIR ERODES THE
WESTERN EDGE. CAN AGREE WITH MODELS OVERALL SHOWING TENDENCY FOR
TEMPS ALOFT TO START TO DECREASE WITH INVASION OF DRIER AIRMASS...
BUT REMAINS TO BE SEEN IF THIS COULD OCCUR QUICK ENOUGH TO GET A
BRIEF TRANSITION ON THE BACK EDGE OF THE PRECIP SHIELD DURING THE
MORNING. OTHER AREA WHERE TEMPS ALOFT WILL COOL A BIT WILL WRAP UP
TOWARD THE SOUTHEASTERN CWA DURING THE EARLY TO MID MORNING HOURS.
NOT OUT OF THE QUESTION TO FIND A BIT OF SNOW MIXED IN...BUT WITH
AMOUNT OF RAINFALL AND SURFACE TEMPS REMAINING AT LEAST MID 30S...
DOUBT WHETHER WOULD GET MUCH ACCUMULATION EITHER. SREF ENSEMBLES
ALSO INDICATE AT LEAST A SMALL THREAT FOR SNOW BRUSHING THE FAR
SOUTHEAST CWA AROUND IDA GROVE AND STORM LAKE. HAVE BEEN WATCHING
THE DUAL POL DATA QUITE INTENTLY IN THE OVERNIGHT...AND NO
SIGNIFICANT CHANGES IN HEIGHT OF THE MELTING LEVEL HAS REVEALED
ITSELF IN THE LAST COUPLE HOURS. MUCH OF THE PRECIP WILL LIKELY END
BY 18Z OR SHORTLY THEREAFTER IN THE FAR EASTERN CWA.
ROAD REPORTS CORRESPOND TO THE LACK OF ANY REPORTS OF SIGNIFICANT
FREEZING DRIZZLE DURING THE OVERNIGHT HOURS...AND FOR THE MOST PART
VISIBILITIES HAVE BEEN TRENDING UPWARD OUTSIDE THE RAIN AREA.
STILL REMAIN SOME LIGHT HOURLY ICE ACCUMULATIONS AT KHON/KMHE/KICR
AND A LATE REPORT OF VERY LIGHT MIST AT HURON...SO HAVE INCLUDED
SOME FOG AND PATCHY FREEZING DRIZZLE INTO EARLY MORNING FROM THE MID
JAMES VALLEY TOWARD LOWER BRULE AREAS.
WINDS WILL BE QUITE STRONG THROUGH THE DAY...DECREASING DURING THE
AFTERNOON. 30 TO 40 KNOT WIND GUSTS EXPECTED...AND PARTS OF SW MN
AND NW IA WILL LIKELY BRIEFLY REACH TO WIND ADVISORY CRITERIA
THROUGH MIDDAY.
MOIST LAYER REMAINS QUITE SHALLOW BUT PERSISTENT THROUGH TONIGHT...
AND WITH WIND FLOW GRADUALLY WORKING FROM THE STRONGER NORTHERLY TO
NORTHEAST AND EAST...CLOUDS SHOULD BE IN NO HURRY TO EVACUATE. START
TO SEE BETTER SIGNATURE OF SHEAR/LIFT TOWARD TOP OF THE MIXED LAYER
STARTING WEST THIS EVENING AND SPREADING EAST THROUGH THE NIGHT.
COULD PERHAPS SEE A LOCAL IMPACT FROM BUFFALO RIDGE TO SPEED UP THE
PRODUCTION OF FOG/FREEZING DRIZZLE. TOUGH TO SEE TEMPS FALLING AS
FAR AS MOST GUIDANCE IS INDICATING GIVEN THE PERSISTENT CLOUDS...
BUT COOLER READINGS ALOFT SHOULD ALLOW FOR SEVERAL DEGREES MORE
LEEWAY TO DROP...MAINLY MID 20S TO AROUND 30. OTHER THAN POSSIBILITY
THAT SHALLOW MOIST LAYER REACHES DEPTH TO TOUCH -8C AND PERHAPS GET
SOME ICE PROCESSES STARTED ACROSS THE LOWER BRULE LOCATIONS...SHOULD
ONLY HAVE A THREAT FOR FOG AND FREEZING DRIZZLE OVERNIGHT...AS WOULD
BE A VERY LATE ARRIVAL FOR LARGER SCALE LIFT AND ANY INCREASE IN MID
LEVEL MOISTURE.
.LONG TERM...(TUESDAY THROUGH SUNDAY)
ISSUED AT 406 AM CST MON DEC 14 2015
THE VARIOUS DETERMINISTIC MODELS ARE IN REASONABLE AGREEMENT WITH
THE TUESDAY AND WEDNESDAY SURFACE AND UPPER LOW. SUBTLE DIFFERENCES
ARE EVIDENT BUT NOT ENOUGH TO SERIOUSLY ALTER THE FORECAST...AS RUN
TO RUN CONTINUITY HAS BEEN PRETTY GOOD ALSO. UPPER QG FORCING TRACKS
FROM WESTERN KS EARLY TUESDAY...SQUARELY RIGHT ACROSS THE FSD
FORECAST AREA TUESDAY AFTERNOON AND EVENING BEFORE EXITING OFF TO
LAKE SUPERIOR BY WEDNESDAY. DEEP MOISTURE TUESDAY MORNING IS NON
EXISTENT WITH A HUGE DRY LAYER OF AIR ABOVE 850MB. THEREFORE WITH
THE SMALL POPS DECIDED TO INCLUDE SOME LIGHT FREEZING DRIZZLE OR
DRIZZLE. BUT BY AFTERNOON SATURATION INCREASES RAPIDLY AS A JET
STREAK MOVES NORTHEASTWARD INTO THE CENTRAL PLAINS...PLACING THIS
AREA IN A DECENT LEFT EXIT REGION WHICH WILL AID ASCENT. A COUPLE OF
THINGS THAT ARE LACKING WITH THIS WOUND UP SYSTEM IS MID LEVEL
FRONTOGENESIS AND TROP PRESSURE ADVECTION. THERE IS SOME LOW LEVEL
FRONTOGENESIS IN OUR WESTERN ZONES ON TUESDAY ON THE FAVORABLE SIDE
OF THE 850MB LOW...BEFORE LIFTING OFF TO THE NORTH TUESDAY EVENING.
A COUPLE OF OTHER ITEMS CHECKED OUT WAS MID LEVEL TROWALING...WITH
THE CURRENT TRACK OF THE SYSTEM MOST OF THAT IS WEST AND NORTH OF
OUR FORECAST AREA. AND THERE DOES NOT APPEAR TO BE A LOT OF ELEVATED
INSTABILITY PER EPV* FIELDS WHEN THE MOISTURE PROFILE IS SATURATED.
SO OVERALL WITH THE MODELS BEING CONSISTENT WITH THE TRACK OF THE
UPPER LOW...OUR FAR WESTERN ZONES FROM GREGORY COUNTY TO BEADLE
COUNTY STAND THE BEST CHANCE TO SEE 6 OR 7 INCHES OF SNOW PRIMARILY
TUESDAY AFTERNOON AND NIGHT. WINDS WILL ALSO INCREASE TO 20 TO 35
MPH LATE TUESDAY NIGHT AND WEDNESDAY MORNING ADDING TO A BLOWING
AND DRIFTING SNOW THREAT. THUS ISSUED A WINTER STORM WATCH FOR
THOSE FOUR COUNTIES. EAST OF THERE AS THE MOISTURE DEPTH
DECREASES...SNOW AMOUNTS WILL BE MINIMAL TO NON EXISTENT IN
NORTHWEST IA AND THE EASTERN SECTIONS OF SOUTHWEST MN. BUT THERE
COULD BE AN ADVISORY TYPE SNOW OF 3 TO 5 INCHES MAINLY FROM NEAR
TYNDALL SD...TO IVANHOE MN JUST WEST OF MARSHALL...AND WESTWARD TO
THE AFOREMENTIONED WATCH AREA. LIGHT SNOW OR FLURRIES COULD VERY
WELL LINGER WEDNESDAY MORNING ESPECIALLY ALONG AND NORTH OF THE I
90 CORRIDOR...WHERE THE 850-700MB LIMITING STREAMLINES STILL HAVE
A TRAJECTORY WRAPPING AROUND THE LOW TO THE NORTHEAST. DUE TO THE
WINDY CONDITIONS DECIDED TO LET THE WATCH RUN ALL THE WAY THROUGH
WEDNESDAY MORNING. OUR TEMPERATURES ARE STILL ON TRACK TUESDAY
THROUGH WEDNESDAY. BLENDED A LOT OF ECMWF AND GEM GLOBAL
TEMPERATURES IN FOR HIGHS ON TUESDAY...AND SUPERBLEND LOWS LOOKED
TOO COLD TUESDAY NIGHT. SO BLENDED IN THE WARMER ECMWF IN FOR THAT
PERIOD ALSO. TEMPERATURES ON WEDNESDAY WILL NOT RISE MUCH OFF OF
LOWS.
THURSDAY LOOKS QUITE CHILLY AND WITH A BRISK WEST/NORTHWEST WIND
CONTINUING...IT WILL FEEL QUITE COLD COMPARED TO WHAT WE HAVE BEEN
HAVING THIS MONTH. BUT IN REALITY...HIGHS ON THURSDAY ARE NOT A LOT
BELOW NORMAL WITH A LACK OF TRUE ARCTIC AIR NOT COMING DOWN. FRIDAY
WILL BE A LITTLE CHILLIER YET BUT WILL EXHIBIT LESS WIND. A
MODERATING TREND WILL BE IN STORE FOR THE WEEKEND...AND THE EXTENDED
LOOKS DRY FROM THURSDAY ONWARD.
&&
.AVIATION...(FOR THE 12Z TAFS THROUGH 12Z TUESDAY MORNING)
ISSUED AT 551 AM CST MON DEC 14 2015
WIDESPREAD IFR CEILINGS IN PLACE ACROSS THE AREA...WHICH WILL
LIKELY CLIMB INTO MVFR RANGE AS MIXED LAYER DEEPENS BEHIND SYSTEM
DURING THE DAY. SURFACE WINDS BEHIND INTENSE LOW PRESSURE MOVING
FROM NORTHERN IOWA TO WISCONSIN WILL CREATE FREQUENT WIND GUSTS
ABOVE 25 KNOTS THROUGH EARLY TO MID AFTERNOON. INVERSION LIKELY TO
TRAP LOWER CLOUDS IN...AND WILL IN MOST LIKELIHOOD RESULT IN
LOWERING CEILINGS AGAIN TONIGHT WITH WEAKENING RIDGE AXIS PASSING
OVER...AND WIND TRENDING BACK TOWARD EASTERLY. COULD BE SEEING A
POTENTIAL FOR SOME SPOTTY FREEZING DRIZZLE DEVELOPMENT TONIGHT...
ESPECIALLY FOR SOUTHWEST MINNESOTA MUCH OF SOUTHEAST SOUTH DAKOTA.
&&
.FSD WATCHES/WARNINGS/ADVISORIES...
SD...WINTER STORM WATCH FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING FOR SDZ038-050-052-057.
MN...NONE.
IA...NONE.
NE...NONE.
&&
SHORT TERM...CHAPMAN
LONG TERM...MJ
AVIATION...CHAPMANHazardous weather outlook, Dec 14, 5:23 AM CST, 3 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 523 AM CST MON DEC 14 2015 IAZ001>003-012>014-020>022-031-032-MNZ081-089-090-NEZ013-014- SDZ071-151130- LYON IA-OSCEOLA-DICKINSON-SIOUX-O'BRIEN-CLAY IA-PLYMOUTH-CHEROKEE- BUENA VISTA-WOODBURY-IDA-COTTONWOOD-NOBLES-JACKSON-DIXON-DAKOTA- UNION- 523 AM CST MON DEC 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...NORTHEAST NEBRASKA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT RAINFALL WILL CONTINUE IN THE MORNING HOURS BEFORE ENDING TOWARD MIDDAY. IT IS EXPECTED THAT MOST OF THE PRECIPITATION WILL REMAIN AS RAIN...HOWEVER SOME SNOW MAY MIX INTO THE RAIN AT TIMES ESPECIALLY AROUND SIOUX CITY AND STORM LAKE IOWA. IF THIS HAPPENS ONLY TRACE AMOUNTS OF SNOW IS EXPECTED. IN ADDITION TO THE PRECIPITATION...NORTHERLY WINDS WILL BE STRONG THIS MORNING AT 25 TO 35 MPH...WITH A FEW GUSTS AROUND 40 MPH POSSIBLE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY AREAS OF LIGHT RAIN COULD CHANGE OVER TO SOME LIGHT SNOW LATE TUESDAY NIGHT...WITH AREAS OF LIGHT SNOW LINGERING INTO WEDNESDAY MORNING. SNOW AMOUNTS SHOULD BE VERY MINIMAL...GENERALLY A HALF INCH OR LESS. LATE TUESDAY NIGHT AND WEDNESDAY IT WILL BE QUITE WINDY HOWEVER...WITH 25 TO 35 MPH WINDS FROM THE WEST. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. MNZ072-080-097-098-SDZ062-066-067-069-070-151130- LYON MN-MURRAY-PIPESTONE-ROCK-MINNEHAHA-TURNER-LINCOLN SD-YANKTON- CLAY SD- 523 AM CST MON DEC 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MINNESOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT SOME VERY LIGHT PATCHY FREEZING DRIZZLE COULD FORM LATE TONIGHT AND LINGER INTO TUESDAY MORNING. NO ICE ACCUMULATION IS EXPECTED. IT WILL BE WINDY THIS MORNING...WITH NORTHERLY WINDS AVERAGING 25 TO 35 MPH...WITH A FEW GUSTS CLOSE TO 40 MPH POSSIBLE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY AREAS OF LIGHT SNOW WILL DEVELOP BY TUESDAY AFTERNOON...WITH SNOW TUESDAY NIGHT...LINGERING INTO WEDNESDAY MORNING. AT THIS TIME... 1 TO 3 INCHES OF SNOW IS EXPECTED...WITH THE THREE INCH AMOUNTS JUST WEST OF YANKTON...SIOUX FALLS...AND MARSHALL MINNESOTA. WEST TO NORTHWEST WINDS WILL ALSO INCREASE LATE TUESDAY NIGHT AND WEDNESDAY TO 25 TO 35 MPH. THIS COULD CAUSE LOCALIZED BLOWING SNOW IN RURAL AREAS LATE TUESDAY NIGHT AND EARLY WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. SDZ038-050-052-057-151130- BEADLE-GREGORY-JERAULD-BRULE- 523 AM CST MON DEC 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL SOUTH DAKOTA AND SOUTH CENTRAL SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT SOME VERY LIGHT PATCHY FREEZING DRIZZLE COULD FORM LATE TONIGHT AND LINGER INTO TUESDAY MORNING. NO ICE ACCUMULATION IS EXPECTED. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SNOW WILL DEVELOP ON TUESDAY...LASTING INTO TUESDAY NIGHT AND WEDNESDAY MORNING. THERE IS A POTENTIAL FOR SOME OF THE SNOWFALL TO BECOME HEAVY TUESDAY AFTERNOON AND EVENING...THEREFORE A WINTER STORM WATCH HAS BEEN POSTED FOR A POSSIBLE 6 TO 7 INCHES OF ACCUMULATIONS. IN ADDITION TO THE SNOWFALL...NORTHWEST WINDS WILL INCREASE TO 25 TO 35 MPH LATE TUESDAY NIGHT AND WEDNESDAY. THIS COULD CAUSE SOME BLOWING SNOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. MNZ071-SDZ039-040-053>056-058>061-063>065-068-151130- LINCOLN MN-KINGSBURY-BROOKINGS-SANBORN-MINER-LAKE-MOODY-AURORA- DAVISON-HANSON-MCCOOK-CHARLES MIX-DOUGLAS-HUTCHINSON-BON HOMME- 523 AM CST MON DEC 14 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST MINNESOTA...EAST CENTRAL SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT SOME VERY LIGHT PATCHY FREEZING DRIZZLE COULD FORM LATE TONIGHT AND LINGER INTO TUESDAY MORNING. NO ICE ACCUMULATION IS EXPECTED. IT WILL BE WINDY THIS MORNING...WITH NORTHERLY WINDS AVERAGING 25 TO 35 MPH. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SNOW WILL BECOME LIKELY BY TUESDAY AFTERNOON...LASTING INTO TUESDAY NIGHT AND WEDNESDAY MORNING. AT THIS TIME...3 TO 5 INCHES OF SNOW IS EXPECTED...WITH THE HEAVIEST AMOUNTS OF 5 INCHES EXPECTED NEAR A LAKE ANDES...TO MITCHELL TO DE SMET SOUTH DAKOTA LINE. WEST TO NORTHWEST WINDS WILL ALSO INCREASE TO 25 TO 35 MPH LATE TUESDAY AND WEDNESDAY. THIS COULD CAUSE LOCALIZED BLOWING SNOW IN RURAL AREAS LATE TUESDAY NIGHT AND EARLY WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 14, 7:12 AM CST | Wind Advisory | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, O'Brien and 1 more | 4 hr |
| Dec 14, 9:05 AM CST | River Flood Warning | FSD | Buena Vista, Clay | 9 days |
Nearby
River Flood Warnings in Iowa, 2015Every river flood warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.