Flash Flood Watch 2, NWS Sioux Falls, SD

Issued

Jul 16, 2016, 9:45 PM CDT (02:45 UTC)

Expired

Jul 17, 2016, 3:43 AM CDT

In force

6 hr

Issued by

NWS Sioux Falls, SD

Flood severity

None

Counties Clay County, IA, Dickinson County, IA, Osceola County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Brookings County, SD

The Sioux Falls radar (KFSD), 86 km from the middle of the area, began a volume at 02:45 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.

587 
WGUS63 KFSD 170245
FFAFSD

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE SIOUX FALLS SD
945 PM CDT SAT JUL 16 2016

IAZ002-003-014-MNZ071-072-080-081-089-090-097-SDZ040-171200-
/O.NEW.KFSD.FF.A.0002.160717T0245Z-160717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OSCEOLA-DICKINSON-CLAY IA-LINCOLN MN-LYON MN-MURRAY-COTTONWOOD-
NOBLES-JACKSON-PIPESTONE-BROOKINGS-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SPENCER...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...BROOKINGS
945 PM CDT SAT JUL 16 2016

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 AM CDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST 
  MINNESOTA AND EAST CENTRAL SOUTH DAKOTA...INCLUDING THE 
  FOLLOWING AREAS...IN NORTHWEST IOWA...CLAY IA...DICKINSON AND 
  OSCEOLA. IN SOUTHWEST MINNESOTA...COTTONWOOD...JACKSON... 
  LINCOLN MN...LYON MN...MURRAY...NOBLES AND PIPESTONE. IN EAST 
  CENTRAL SOUTH DAKOTA...BROOKINGS. 

* UNTIL 7 AM CDT SUNDAY

* THUNDERSTORMS ARE EXPECTED TO MOVE ACROSS THE WATCH AREA THROUGH
  THE OVERNIGHT HOURS. THESE THUNDERSTORMS WILL HAVE THE POTENTIAL
  TO PRODUCE TORRENTIAL RAINFALL...WITH HOURLY RAINFALL RATES
  APPROACHING 2 TO 4 INCHES PER HOURS. TOTAL RAINFALL MAY EXCEED 3
  INCHES IN SOME LOCATIONS.

* EXCESSIVE RAINFALL MAY LEAD TO FLASH FLOODING OF URBAN AND RURAL
  ROADS. HEAVY RAINFALL MAY ALSO LEAD TO RAPID RISES IN CREEKS AND
  STREAMS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

350 
WGUS63 KFSD 170843
FFAFSD

FLOOD WATCH
NATIONAL WEATHER SERVICE SIOUX FALLS SD
343 AM CDT SUN JUL 17 2016


IAZ002-003-014-MNZ071-072-080-081-089-090-097-SDZ040-170945-
/O.CAN.KFSD.FF.A.0002.000000T0000Z-160717T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OSCEOLA-DICKINSON-CLAY IA-LINCOLN MN-LYON MN-MURRAY-COTTONWOOD-
NOBLES-JACKSON-PIPESTONE-BROOKINGS-
INCLUDING THE CITIES OF...SIBLEY...SPIRIT LAKE...MILFORD...
ARNOLDS PARK...SPENCER...TYLER...HENDRICKS...LAKE BENTON...
IVANHOE...MARSHALL...SLAYTON...FULDA...WINDOM...MOUNTAIN LAKE...
WORTHINGTON...JACKSON...LAKEFIELD...PIPESTONE...BROOKINGS
343 AM CDT SUN JUL 17 2016

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST
MINNESOTA AND EAST CENTRAL SOUTH DAKOTA HAS BEEN CANCELLED.
COMPLEX OF STORMS HAS SHIFTED EAST, AND ADDITIONAL RAINFALL IS NOT
EXPECTED. 

$$

Flash Flood Watches in Minnesota, 2016Flash Flood Watches in Iowa, 2016Flash Flood Watches in South Dakota, 2016Every flash flood watch in 2016

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.