Flash Flood Watch
Issued by NWS Des Moines, IA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
000
WGUS63 KDMX 222324
FFADMX

FLOOD WATCH
NATIONAL WEATHER SERVICE DES MOINES IA
624 PM CDT THU SEP 22 2016

...FLASH FLOODING AGAIN POSSIBLE OVER PORTIONS OF NORTHERN AND
CENTRAL IOWA TONIGHT...

THERE REMAINS UNCERTAINTY AS TO WHERE THE AXIS OF HEAVIEST RAIN
WILL SET UP OVERNIGHT TONIGHT. IT IS POSSIBLE THAT SOME OF THE
SAME AREAS THAT RECEIVED HEAVY RAIN WEDNESDAY NIGHT MAY AGAIN SEE
ADDITIONAL MODERATE TO HEAVY RAINFALL TONIGHT. THOUGH AMOUNTS ARE
NOT EXPECTED TO BE AS HIGH...ANY ADDITIONAL RAIN OVER WATER
SOAKED AREAS WILL QUICKLY RESULT IN SIGNIFICANT PROBLEMS.
ADDITIONALLY... THERE IS SUPPORT FOR A SLIGHT SOUTHERLY SHIFT IN
THE EXPECTED HEAVY RAINFALL AXIS TONIGHT. THIS MAY KEEP THE
HEAVIER OVERNIGHT RAINS FROM HIGHWAY 20 AND AREAS SOUTH TO
HIGHWAY 30. AT THIS TIME GENERALLY 1 TO 2 INCH RAINFALL IS
POSSIBLE WITH LOCALLY HIGHER AMOUNTS.

IAZ004>007-015>017-023>028-034>039-046>050-230730-
/O.CON.KDMX.FF.A.0014.000000T0000Z-160923T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-CALHOUN-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-GREENE-BOONE-STORY-MARSHALL-
TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
LAKE MILLS...NORTHWOOD...MANLY...EMMETSBURG...GARNER...BRITT...
KANAWHA...MASON CITY...CLEAR LAKE...POCAHONTAS...LAURENS...
ROLFE...FONDA...GILMORE CITY...HUMBOLDT...EAGLE GROVE...CLARION...
BELMOND...HAMPTON...PARKERSBURG...CLARKSVILLE...SHELL ROCK...
GREENE...APLINGTON...ALLISON...DUMONT...WAVERLY...ROCKWELL CITY...
MANSON...LAKE CITY...POMEROY...FORT DODGE...WEBSTER CITY...
IOWA FALLS...ELDORA...ACKLEY...GRUNDY CENTER...REINBECK...
CONRAD...DIKE...WELLSBURG...WATERLOO...CEDAR FALLS...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TAMA...TOLEDO...TRAER...DYSART...
GLADBROOK
624 PM CDT THU SEP 22 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY AFTERNOON...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL IOWA...NORTH CENTRAL IOWA...NORTHEAST
  IOWA...NORTHWEST IOWA AND WEST CENTRAL IOWA...INCLUDING THE
  FOLLOWING AREAS...IN CENTRAL IOWA...BOONE...GRUNDY...
  HAMILTON...HARDIN...MARSHALL...STORY...TAMA AND WEBSTER. IN
  NORTH CENTRAL IOWA...BUTLER...CERRO GORDO...FRANKLIN...
  HANCOCK...HUMBOLDT...KOSSUTH...WINNEBAGO...WORTH AND WRIGHT.
  IN NORTHEAST IOWA...BLACK HAWK AND BREMER. IN NORTHWEST IOWA...
   EMMET...PALO ALTO AND POCAHONTAS. IN WEST CENTRAL IOWA...
  CALHOUN AND GREENE.

* THROUGH FRIDAY AFTERNOON

* AN AXIS OF HEAVY RAINFALL IS EXPECTED TO FORM AGAIN TONIGHT WITH
  THE POTENTIAL FOR 1 TO 2 INCHES OF RAINFALL OVERNIGHT. LOCALLY
  HIGHER AMOUNTS ARE POSSIBLE. THOUGH SOME UNCERTAINTY REMAINS...THE
  MORE LIKELY AREAS TO BE AFFECTED WITH THE HEAVIEST RAINFALL
  OVERNIGHT APPEAR TO BE FROM NEAR HIGHWAY 20 SOUTH TO NEAR
  HIGHWAY 30.

* ADDITIONAL FLOODING AND THE POTENTIAL FOR ADDITIONAL RAPID RISES
  ON STREAMS AND RIVERS DUE TO RAINFALL AND RUNOFF STILL EXISTS
  OVER PORTIONS OF THE AREA THAT HAVE RECEIVED HEAVY RAIN SINCE
  LAST NIGHT. OTHER AREAS THAT SEE FIRST TIME HEAVY RAINS LATER
  TONIGHT WILL ALSO BE SUBJECT TO FLASH FLOODING AND WITH EVENTUAL
  RISES ON MAIN STEM RIVERS.

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.

&&

$$

KS



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.