Alert archive / South Dakota / River Flood Warnings in 2019

River Flood Warning 244, NWS Sioux Falls, SD

July 10, 2019Brookings County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Jul 10, 2019, 12:53 AM CDT for Brookings County, South Dakota. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: Jul 10, 2019, 12:53 AM CDT (05:53 UTC)
Expired: Jul 31, 2019, 12:53 AM CDT
In force: 21 days
Issued by: NWS Sioux Falls, SD
Area: Storm-based polygon
Flood severity: Moderate

County Brookings County, SD

The radar

The Sioux Falls radar (KFSD), 87 km from the middle of the area, began a volume at 05:56 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 Sixmile Creek above Brookings (SMCS2).

Action stage: 1632 ft
Minor stage: 1634 ft
Moderate stage: 1635 ft
Major stage: 1636 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.

What 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 Jul 9, 10:36 PM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, Jul 9, 10:36 PM CDT, 2 hours 17 minutes before

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Hazardous weather outlook, Jul 9, 6:17 PM CDT, 6 hours 36 minutes before

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
617 PM CDT Tue Jul 9 2019

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ013-014-SDZ038>040-052>056-058>062-064>071-102330-
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dixon-Dakota-Beadle-Kingsbury-Brookings-Jerauld-
Sanborn-Miner-Lake-Moody-Aurora-Davison-Hanson-McCook-Minnehaha-
Douglas-Hutchinson-Turner-Bon Homme-Yankton-Union-
617 PM CDT Tue Jul 9 2019

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...Tonight.

Hazardous weather is not expected at this time.

.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.

SDZ050-057-063-102330-
Gregory-Brule-Charles Mix-
617 PM CDT Tue Jul 9 2019

This Hazardous Weather Outlook is for south central South Dakota.

.DAY ONE...Tonight.

Isolated thunderstorms may push into the area during the mid evening.
These storms could produce hail to the size of quarters and winds to
60 mph.

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

Hazardous weather is not expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed.

In the hours before

Local storm report, Jul 9, 8:26 PM CDT, 4 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
826 PM CDT TUE JUL 9 2019

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

0818 PM     HAIL             5 SSW DIXON             43.31N 99.51W
07/09/2019  M0.70 INCH       GREGORY            SD   PUBLIC

            TREE BRANCHES DOWN IN THEIR YARD AS WELL,
            NOT SURE ON SIZE.

&&

AT

Local storm report, Jul 9, 8:32 PM CDT, 4 hours 21 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
832 PM CDT TUE JUL 9 2019

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

0820 PM     HAIL             3 NE DALLAS             43.27N 99.49W
07/09/2019  M0.70 INCH       GREGORY            SD   PUBLIC

&&

AT

Local storm report, Jul 9, 8:55 PM CDT, 3 hours 58 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
855 PM CDT TUE JUL 9 2019

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

0818 PM     TSTM WND DMG     5 SSW DIXON             43.31N 99.51W
07/09/2019                   GREGORY            SD   PUBLIC

            12 FOOT LONG TREE BRANCH, 6 INCHES IN
            DIAMETER BROKEN OFF.

&&

AT

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 9, 8:08 PM CDT	Severe Thunderstorm Warning	FSD	Gregory	52 min
Jul 9, 10:13 PM CDT	River Flood Warning	FSD	Union	5 days
Jul 10, 6:19 AM CDT	River Flood Warning	FSD	Lincoln	19 hr
Jul 10, 8:54 AM CDT	River Flood Warning	FSD	Minnehaha, Moody	16 days
Jul 10, 4:38 PM CDT	River Flood Warning	FSD	Lincoln	21 days

Nearby

River Flood Warnings in South Dakota, 2019 Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.