Alert archive / South Dakota / River Flood Warnings in 2010

River Flood Warning 13, NWS Sioux Falls, SD

March 12, 2010Clay County, South Dakota

NWS Sioux Falls, SD issued this river flood warning at Mar 12, 2010, 10:06 AM CST for Clay County, South Dakota. It took effect at Mar 17, 2010, 10:44 PM CDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued: Mar 12, 2010, 10:06 AM CST (16:06 UTC)
In effect from: Mar 17, 2010, 10:44 PM CDT
Expired: Mar 23, 2010, 9:28 PM CDT
In force: 6 days
Issued by: NWS Sioux Falls, SD
Flood severity: Moderate

County Clay County, SD

The radar

The Sioux Falls radar (KFSD), 77 km from the middle of the area, began a volume at 16:07 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 Vermillion River at Vermillion (VERS2).

Action stage: 18 ft
Minor stage: 21 ft
Moderate stage: 22 ft
Major stage: 30 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 06479010, 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 Mar 12, 10:05 AM CST, 1 minute earlier.

Area forecast discussion, Mar 12, 10:05 AM CST, 1 minute before

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Hazardous weather outlook, Mar 12, 4:06 AM CST, 6 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SIOUX FALLS SD
0406 AM CST FRI MAR 12 2010

SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098-
IAZ001>003-012>014-020>022-031-032-NEZ013-014-131200-
AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA-
CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE-
DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON-
IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN-
LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN-
OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN-
SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON-
0406 AM CST FRI MAR 12 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA...
SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA.

.DAY ONE...TODAY AND TONIGHT

FLOODING...
FLOODING CAN BE EXPECTED ALONG THE JAMES RIVER...VERMILLION RIVER
AND LITTLE SIOUX RIVER UNTIL FURTHER NOTICE.

FOG...
WIDESPREAD DENSE FOG WILL PERSIST ACROSS SOUTHWEST MINNESOTA
THROUGH MID MORNING WITH AREAS OF DENSE FOG ACROSS NORTHWEST
IOWA.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT.

&&

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 7:01 AM CST	River Flood Warning	FSD	McCook	8 days
Mar 12, 7:01 AM CST	River Flood Warning	FSD	Minnehaha	4 days
Mar 12, 10:06 AM CST	River Flood Warning	FSD	Lincoln, Union	23 days
Mar 12, 10:06 AM CST	River Flood Warning	FSD	Union	23 days
Mar 12, 10:06 AM CST	River Flood Warning	FSD	Cherokee	17 days
Mar 12, 10:06 AM CST	River Flood Warning	FSD	Jackson	21 days

Nearby

River Flood Warnings in South Dakota, 2010 Every river flood warning in 2010

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.