Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE DES MOINES IA
354 AM CDT SUN MAY 26 2013

...HEAVY RAINFALL THREAT CONTINUES THIS MORNING...

.THUNDERSTORMS EXTENDING FROM NORTHWEST IOWA INTO CENTRAL IOWA
THIS MRONIGN WILL GRADUALLY WEAKEN AFTER SUNRISE. THE THUNDERSTORMS
WILL PRODUCE HEAVY RAIN OVER AREAS WHICH HAD HEAVY RAIN EARLY
SATURDAY MORNING.

IAZ033>039-044>050-057>062-074-075-086-261400-
/O.CON.KDMX.FF.A.0003.000000T0000Z-130526T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-
POLK-JASPER-POWESHIEK-MARION-MAHASKA-WAPELLO-
INCLUDING THE CITIES OF...SAC CITY...ROCKWELL CITY...FORT DODGE...
WEBSTER CITY...ELDORA...GRUNDY CENTER...WATERLOO...DENISON...
CARROLL...JEFFERSON...BOONE...AMES...MARSHALLTOWN...TOLEDO...
AUDUBON...GUTHRIE CENTER...ADEL...DES MOINES...NEWTON...
GRINNELL...KNOXVILLE...OSKALOOSA...OTTUMWA
354 AM CDT SUN MAY 26 2013

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 9 AM CDT THIS
MORNING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF CENTRAL IOWA...NORTHEAST IOWA...SOUTH CENTRAL
  IOWA...SOUTHEAST IOWA AND WEST CENTRAL IOWA...INCLUDING THE
  FOLLOWING AREAS...IN CENTRAL IOWA...BOONE...DALLAS...GRUNDY...
  HAMILTON...HARDIN...JASPER...MARSHALL...POLK...POWESHIEK...
  STORY...TAMA AND WEBSTER. IN NORTHEAST IOWA...BLACK HAWK. IN
  SOUTH CENTRAL IOWA...MAHASKA AND MARION. IN SOUTHEAST IOWA...
  WAPELLO. IN WEST CENTRAL IOWA...AUDUBON...CALHOUN...CARROLL...
  CRAWFORD...GREENE...GUTHRIE AND SAC.

* UNTIL 9 AM CDT THIS MORNING

* THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN ARE FORECAST TO
  CONTINUE THIS MORNING...ESPECIALLY NORTH AND EAST OF DES MOINES.
  WIDESPREAD ONE TO TWO INCHES OF RAIN ARE FORECAST WITH ISOLATED
  AMOUNTS OF 6 TO 8 INCHES POSSIBLE.

* AREAS WHICH HAD HEAVY RAIN SATURDAY MORNING ARE THE MOST
  VULNERABLE FOR FLASH FLOODING. ADDITIONAL HEAVY RAINFALL ON
  SATURATED SOILS WOULD CAUSE FLASH FLOODING. BEING A HOLIDAY
  WEEKEND...PEOPLE CAMPING SHOULD USE CAUTION AND AVOID CAMPING
  IN FLOOD PRONE AREAS.

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.

&&

$$

Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
359 PM CDT SAT MAY 25 2013

IAZ033>039-044>050-057>062-074-075-086-262100-
SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-
CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE-DALLAS-POLK-
JASPER-POWESHIEK-MARION-MAHASKA-WAPELLO-
359 PM CDT SAT MAY 25 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...TONIGHT

THUNDERSTORMS WILL OCCUR AGAIN TONIGHT. CHANCES FOR SEVERE
WEATHER ARE LOW...BUT STORMS ARE EXPECTED TO PRODUCE HEAVY
RAINFALL AND LOCAL FLASH FLOODING.

A FLASH FLOOD WATCH IS IN EFFECT FROM MIDNIGHT UNTIL 9 AM SUNDAY
MORNING. IN ADDITION...RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR PORTIONS OF
THE CEDAR RIVER BASIN AND THE DES MOINES BASIN NEAR OTTUMWA. PLEASE
REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THUNDERSTORM CHANCES WILL PERSIST PERIODICALLY INTO NEXT
WEEK...MAINLY DURING THE NIGHTTIME AND EARLY MORNING HOURS.  SOME
STORMS WILL PRODUCE HEAVY RAINFALL...POSSIBLY LEADING TO FLASH
FLOODING OR AREAL FLOODING. SEVERE WEATHER APPEARS UNLIKELY THIS
WEEKEND...BUT SEVERE WEATHER CHANCES WILL INCREASE SOMEWHAT INTO
NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED THROUGH THE WEEKEND.

$$

KJ