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Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
411 PM CST SAT DEC 3 2016

TXZ163-164-176>179-195>200-210>214-226-227-235>238-042215-
/O.CON.KHGX.FF.A.0012.000000T0000Z-161205T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-
MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-
WHARTON-
INCLUDING THE CITIES OF...ALVIN...ANAHUAC...ANGLETON...BAY CITY...
BELLVILLE...BRENHAM...BROOKSHIRE...BRYAN...CALDWELL...CLEVELAND...
COLDSPRING...COLLEGE STATION...COLUMBUS...CONROE...CORRIGAN...
CROCKETT...DAYTON...EAGLE LAKE...EDNA...EL CAMPO...FREEPORT...
FRIENDSWOOD...GALVESTON...GROVETON...HEMPSTEAD...HOUSTON...
HUMBLE...HUNTSVILLE...KATY...LAKE JACKSON...LAKE SOMERVILLE...
LEAGUE CITY...LIBERTY...LIVINGSTON...MADISONVILLE...
MISSOURI CITY...MONT BELVIEU...NAVASOTA...ONALASKA...PALACIOS...
PASADENA...PEARLAND...PIERCE...PRAIRIE VIEW...RICHMOND...
ROSENBERG...SEALY...SHEPHERD...SUGAR LAND...TEXAS CITY...
THE WOODLANDS...TOMBALL...TRINITY...WEIMAR...WHARTON...WILLIS...
WINNIE
411 PM CST SAT DEC 3 2016

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* PORTIONS OF SOUTHEAST TEXAS...INCLUDING THE FOLLOWING
  COUNTIES...JACKSON...AUSTIN...BRAZORIA...BRAZOS...BURLESON...
  CHAMBERS...COLORADO...FORT BEND...GALVESTON...GRIMES...
  HARRIS...HOUSTON...LIBERTY...MADISON...MATAGORDA...
  MONTGOMERY...POLK...SAN JACINTO...TRINITY...WALKER...WALLER...
  WASHINGTON AND WHARTON.

* THROUGH SUNDAY EVENING

* A SERIES OF UPPER LEVEL DISTURBANCES WILL PUSH THROUGH THE AREA
  TRIGGERING PERIODS OF RAIN WITH EMBEDDED STORMS. AS GROUNDS
  BECOME MORE SATURATED...THE THREAT OF FLASH FLOODING WILL
  PROGRESSIVELY INCREASE WHERE TRAINING HEAVIER CELLS MOVE OVER
  THE SAME AREA. EXCESSIVE RAINFALL HAS OCCURRED ALONG THE COAST
  ON SATURDAY...AND THAT WILL BE THE HIGHEST RISK LOCATION THROUGH
  SUNDAY MORNING. AN ADDITIONAL 2 TO 4 INCHES...WITH LOCALLY
  HIGHER AMOUNTS IN EXCESS OF 8 INCHES ARE POSSIBLE THROUGH
  MONDAY. WHERE GROUND IS ALREADY SATURATED IT IS MOST IMPORTANT
  TO FOCUS ON SHORT TERM RAINFALL RATES RATHER THAN TOTALS
  THEMSELVES. EVEN SHORT BURSTS OF HEAVY RAINFALL WILL QUICKLY
  CAUSE FLASH FLOODING AT THOSE LOCATIONS. TO FURTHER COMPLICATE
  THINGS...ELEVATED WATER LEVELS IN THE BAYS AND NEARSHORE GULF WILL
  DELAY DRAINAGE OF WATER.

* STREET FLOODING AND FLOODING OF LOW LYING AREAS WILL BE THE MOST
  LIKELY IMPACT TONIGHT. AS OF SATURDAY EVENING...AREA
  RIVERS...STREAMS AND BAYOUS WERE WITHIN BANKS. WE WILL CONTINUE
  TO MONITOR TRENDS.

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 HOUSTON/GALVESTON TX
353 PM CST SAT DEC 3 2016

TXZ163-164-176>179-195>200-210>214-226-227-235>238-042200-
AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-
GALVESTON-GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-
MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-
WHARTON-
353 PM CST SAT DEC 3 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TONIGHT

FLASH FLOOD WATCH REMAINS IN EFFECT. ANOTHER UPPER DISTURBANCE
WILL TRIGGER ANOTHER ROUND OF RAIN AND EMBEDDED STORMS. ANY
TRAINING HEAVIER CELLS WILL BE CAPABLE OF PRODUCING FLOODING WHERE
THE GROUND IS SATURATED. MOST AT RISK WILL BE COASTAL AREAS WHO
HAVE SEEN THE HEAVIEST RAIN ON SATURDAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THE THREAT OF FLASH FLOODING WILL CONTINUE THROUGH MONDAY AS A
SERIES OF DISTURBANCES PASS OVERHEAD. THE FLASH FLOOD WATCH MAY
NEED TO BE EXTENDED INTO MONDAY.

A STRONG COLD FRONT SWEEPS THROUGH THE REGION WEDNESDAY NIGHT AND
MUCH COLDER TEMPERATURES WILL OCCUR. THE FIRST FREEZE OF THE
SEASON MAY DEVELOP FRIDAY MORNING FOR PARTS OF THE AREA.

.SPOTTER INFORMATION STATEMENT...
HEIGHTENED SPOTTER AWARENESS OVER THE NEXT SEVERAL DAYS.

$$



Coastal Flood Advisory

COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
319 PM CST SAT DEC 3 2016

...COASTAL FLOODING CONCERNS CONTINUE THROUGH EARLY SUNDAY
MORNING...

.EASTERLY WINDS AND ELEVATED SEAS WILL KEEP TIDE LEVELS ABOVE
NORMAL THROUGH EARLY SUNDAY MORNING. WATER LEVELS WILL APPROACH
4 FEET EARLY THIS MORNING... AND REMAIN NEAR TO ABOVE 3 FEET AT
TIMES OF HIGH TIDE THROUGH EARLY SUNDAY MORNING.

TXZ213-214-237-238-041200-
/O.EXT.KHGX.CF.Y.0008.000000T0000Z-161204T1200Z/
BRAZORIA-CHAMBERS-GALVESTON-HARRIS-
319 PM CST SAT DEC 3 2016

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 6 AM CST SUNDAY...

* COASTAL FLOODING...WATER LEVELS UP TO 3.4 FEET WILL CAUSE
  COASTAL FLOODING ALONG EAST FACING SHORELINES AT THE TIMES OF
  HIGH TIDE TONIGHT.

* TIMING...THROUGH EARLY SUNDAY MORNING.

* IMPACTS...GULF AND BAY WATERS MAY OVERCOME DUNES AND POSSIBLY
  OVERWASH SECTIONS OF THE BLUE WATER HIGHWAY IN BRAZORIA
  COUNTY. LOW LYING ROADWAYS...SUCH AS TODDVILLE ROAD IN
  SEABROOK...MAY ALSO EXPERIENCE MINOR FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A COASTAL FLOOD ADVISORY INDICATES THAT ONSHORE WINDS AND TIDES
WILL COMBINE TO GENERATE FLOODING OF LOW AREAS ALONG THE SHORE.

&&

$$




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Page last modified: May 16, 2007
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