Flash Flood Watch
Issued by NWS Des Moines, IA

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000
WGUS63 KDMX 222055
FFADMX

URGENT - IMMEDIATE BROADCAST REQUESTED
FLOOD WATCH
NATIONAL WEATHER SERVICE DES MOINES IA
355 PM CDT THU SEP 22 2016

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

A PORTION OF THE FLASH FLOOD WATCH OVER THE WEST IS BEING CANCELLED...
HOWEVER THE THREAT FOR ADDITIONAL HEAVY RAINFALL AND FLASH FLOODING
WILL DEVELOP AGAIN OVERNIGHT 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.


IAZ033-044-045-222200-
/O.CAN.KDMX.FF.A.0014.000000T0000Z-160923T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAC-CRAWFORD-CARROLL-
INCLUDING THE CITIES OF...SAC CITY...LAKE VIEW...ODEBOLT...
WALL LAKE...SCHALLER...EARLY...DENISON...CARROLL
355 PM CDT THU SEP 22 2016

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF WEST CENTRAL IOWA HAS BEEN
CANCELLED.

THE THREAT FOR ADDITIONAL HEAVY RAINFALL WILL SHIFT EAST OF THE
AREA TONIGHT.

$$

IAZ049-050-230500-
/O.EXB.KDMX.FF.A.0014.000000T0000Z-160923T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARSHALL-TAMA-
INCLUDING THE CITIES OF...MARSHALLTOWN...TAMA...TOLEDO...TRAER...
DYSART...GLADBROOK
355 PM CDT THU SEP 22 2016

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

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS EXPANDED THE

* FLASH FLOOD WATCH TO INCLUDE A PORTION OF CENTRAL IOWA...
  INCLUDING THE FOLLOWING AREAS...MARSHALL AND TAMA.

* 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.

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.

&&

$$

IAZ004>007-015>017-023>028-034>039-046>048-230500-
/O.EXT.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-
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
355 PM CDT THU SEP 22 2016

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

THE FLASH FLOOD WATCH IS NOW IN EFFECT 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...STORY 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.

&&

$$

REV


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