

000 

WGUS53 KDVN 220137

FFWDVN

IAC011-095-103-113-220730-

/O.NEW.KDVN.FF.W.0016.090622T0137Z-090622T0730Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE QUAD CITIES IA IL

837 PM CDT SUN JUN 21 2009



THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  SOUTHERN BENTON COUNTY IN EAST CENTRAL IOWA...

  IOWA COUNTY IN EAST CENTRAL IOWA...

  THIS INCLUDES THE CITY OF MARENGO...

  JOHNSON COUNTY IN EAST CENTRAL IOWA...

  THIS INCLUDES THE CITY OF IOWA CITY...

  SOUTHERN LINN COUNTY IN EAST CENTRAL IOWA...



* UNTIL 230 AM CDT



* AT 834 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING

  FROM A THUNDERSTORM OVER THE WARNED AREA.



* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WALFORD...

  SWISHER...SOLON...SHUEYVILLE...NORWAY...MOUNT VERNON...LUZERNE...

  LISBON...FAIRFAX...ELY...BLAIRSTOWN...BELLE PLAINE AND AMANA



PRECAUTIONARY/PREPAREDNESS ACTIONS...



EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF FLOOD-PRONE

AND LOW LYING AREAS. MOVE IMMEDIATELY FROM THESE AREAS TO HIGHER

GROUND.



BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE

DANGERS OF FLOODING...ESPECIALLY WHILE DRIVING.



&&



LAT...LON 4179 9230 4194 9231 4194 9138 4151 9137

      4152 9230 4178 9231



$$



KUHL



000 

WGUS53 KDVN 220137

FFWDVN

IAC011-095-103-113-220730-

/O.NEW.KDVN.FF.W.0016.090622T0137Z-090622T0730Z/

/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/



BULLETIN - EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE QUAD CITIES IA IL

837 PM CDT SUN JUN 21 2009



THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A



* FLASH FLOOD WARNING FOR...

  SOUTHERN BENTON COUNTY IN EAST CENTRAL IOWA...

  IOWA COUNTY IN EAST CENTRAL IOWA...

  THIS INCLUDES THE CITY OF MARENGO...

  JOHNSON COUNTY IN EAST CENTRAL IOWA...

  THIS INCLUDES THE CITY OF IOWA CITY...

  SOUTHERN LINN COUNTY IN EAST CENTRAL IOWA...



* UNTIL 230 AM CDT



* AT 834 PM CDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING

  FROM A THUNDERSTORM OVER THE WARNED AREA.



* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO WALFORD...

  SWISHER...SOLON...SHUEYVILLE...NORWAY...MOUNT VERNON...LUZERNE...

  LISBON...FAIRFAX...ELY...BLAIRSTOWN...BELLE PLAINE AND AMANA



PRECAUTIONARY/PREPAREDNESS ACTIONS...



EXCESSIVE RUNOFF FROM THIS STON JUN 21 2009



.SYNOPSIS...

WEAK DISTURBANCES IN NORTHWEST FLOW ALOFT WILL CROSS THE REGION

THROUGH MONDAY. A WEAK PRESSURE PATTERN WILL GIVE WAY TO TYPICAL

SUMMER WEATHER FOR LATTER HALF OF THE WEEK.



&&



.NEAR TERM /UNTIL 6 AM MONDAY MORNING/...

THE WEAK NORTHWEST TO SOUTHEAST ORIENTED BOUNDARY AND SERIES OF

MID-LEVEL SHORTWAVE TROUGHS SUPPORTS A SLIGHT CHANCE OF SHOWERS OR

THUNDERSTORMS IN THE SOUTH PART TONIGHT. THE CHANCE APPEARS LOW

BASED ON RADAR TRENDS AND THE DIURNAL TIMING. 



&&



.SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/...

HIGHLY AMPLIFIED UPPER-LEVEL PATTERN WILL REMAIN WITH A LOW

DEEPENING OFF THE EASTERN SEABOARD AND A LARGE UPPER-LEVEL RIDGE

BUILDING OVER THE CENTRAL U.S. AND GREAT LAKES REGION. WEAK

SURFACE TROUGH ACROSS THE AREA WITH POSSIBLE MID LEVEL SHORT WAVES

COMING OVER RIDGE. THUNDERSTORM CHANCES APPEAR LOW THOUGH WITH

WEAK INSTABILITY AND POSSIBLE MID LEVEL CAP. SLIGHT CHANCE POPS

MAINLY ACROSS FROM THE CENTRAL MIDLANDS WESTWARD TO THE CENTRAL

SAVANNAH RIVER AREA MONDAY. TRACK OF SHORT WAVES WEST OF THE AREA

TUESDAY...SO LESS CHANCE OF CONVECTION. HIGHS IN THE LOW 90S WITH

LOWS IN THE UPPER 60S/LOWER 70S.



&&



.LONG TERM /WEDNESDAY THROUGH SUNDAY/...

UPPER LOW OVER THE EASTERN U.S. LIFTS OUT IN THE WEDNESDAY-THURSDAY 

TIME-FRAME...THOUGH SOME TROFFINESS LINGERS. THE UPPER RIDGE OVER

THE PLAINS ON WEDNESDAY GRADUALLY WEAKENS BY SUNDAY. THIS WILL

LEAVE A WEAK SURFACE GRADIENT ACROSS THE REGION WITH A LOW LEVEL 

SOUTHERLY FLOW DEVELOPING. EXPECT A LOW CHANCE FOR DIURNAL

THUNDERSTORMS THURSDAY INTO THE WEEKEND.



TEMPERATURES THROUGH THE LONG TERM WILL BE NEAR TO SLIGHTLY ABOVE 

NORMAL.



&&



.AVIATION /02Z MONDAY THROUGH FRIDAY/...

MAINLY VFR CONDITIONS THROUGH THE TAF PERIOD. WEAK COLD FRONT NEAR 

THE SAVANNAH RIVER WILL HAVE LITTLE MOVEMENT OVER THE NEXT 24 HOURS. 

WEAK UPPER LEVEL DISTURBANCE TRAVERSING ACROSS THE NORTHERN EDGE OF 

THE UPPER RIDGE CENTERED OVER THE GULF COAST WILL BE A TRIGGER FOR 

POSSIBLE CONVECTION OVER THE AREA UNTIL AROUND 02Z THIS EVENING SO 

WILL KEEP CB MENTIONED IN THE TAFS UNTIL THEN. LINGERING SCTD MID 

AND HIGH CLOUDS OVERNIGHT SO NOT EXPECTING FOG TO BE A MAJOR ISSUE 

DURING THE EARLY MORNING HOURS. ISOLATED CONVECTION MAY AGAIN BE AN 

ISSUE LATE MONDAY AFTERNOON BUT WILL NOT MENTION CB IN THE TAFS FOR 

NOW. MAINLY LIGHT NW WINDS AFTER 00Z THIS EVENING AND INCREASING A 

BIT AFTER SUNRISE MONDAY. 



NO SIGNIFICANT IMPACTS EXPECTED DURING THE EXTENDED PERIOD.



&&



.CAE WATCHES/WARNINGS/ADVISORIES...

SC...NONE.

GA...NONE.



&&



$$

