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3 products issued by NWS for:

Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
447 AM CDT SAT MAY 23 2015

TXZ163-164-176>179-195>200-210>214-226-227-235>238-231800-
/O.NEW.KHGX.FF.A.0008.150524T0000Z-150526T0500Z/
/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
447 AM CDT SAT MAY 23 2015

...FLASH FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH MONDAY
EVENING...

THE NATIONAL WEATHER SERVICE IN HOUSTON/GALVESTON HAS ISSUED A

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

* FROM THIS EVENING THROUGH MONDAY EVENING

* A SLOW MOVING UPPER LEVEL LOW PRESSURE COMPLEX WILL TAP INTO
  PACIFIC MOISTURE AND GULF MOISTURE TO BRING HEAVY RAINFALL TO
  THE REGION. TWO SYSTEMS ARE EXPECTED TO SLOWLY MOVE THROUGH THE
  REGION. THE FIRST SHOULD ARRIVE IN THE WESTERN PORTIONS OF THE
  AREA TONIGHT THEN SHIFT EASTWARD SUNDAY. THE SECOND IS EXPECTED
  MONDAY AND CONTINUE INTO THE LATE EVENING HOURS MONDAY. THESE
  STORMS MAY HIT THE SAME AREAS AND WILL BE CAPABLE OF INTENSE
  RAIN RATES. WIDESPREAD ACCUMULATIONS OF 2 TO 4 INCHES IS
  EXPECTED ACROSS ALL OF SOUTHEAST TEXAS SUNDAY AND MONDAY.
  ISOLATED TOTALS OF 8 TO 11 INCHES ARE LIKELY.

* IMPACTS...WITH THE GROUND ACROSS THE AREA SATURATED AND THE
  LARGER RIVER SWOLLEN FROM THE HEAVY RAINS OF THE LAST FEW WEEKS
  THE THREAT OF FLASH FLOODING IS HIGH AS IS THE THREAT OF
  MAINSTEM RIVER FLOODING. THE INTENSE RAIN RATES AND THE
  LIKELIHOOD OF STORMS MOVING OVER THE SAME AREAS IN QUICK
  SUCCESSION WILL PRODUCE STREET FLOODING. OVER TIME THE RIVER MAY
  CLIMB OUT OF BANKS WITH MAINSTEM RIVER FLOODING AND SIGNIFICANT
  MAJOR FLOODING IS A POSSIBILITY.

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.

&&

$$




Flood Warning

FLOOD STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON, TX
936 PM CDT FRI MAY 22 2015


A river flood warning remains in effect for the Brazos River...Navasota River...
Trinity River.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons are urged to stay away from the river until water levels recede.

Motorists should avoid any water covered roads and find an alternate route.

Livestock and equipment should remain out of the flood plain for the next few
days.



Stay tuned to NOAA Weather radio or other news sources for further updates.

&&

TXC041-185-313-231800-
/O.CON.KHGX.FL.W.0044.000000T0000Z-150523T1800Z/
/NGET2.1.ER.150514T1247Z.150515T0615Z.150523T0600Z.NO/
936 PM CDT FRI MAY 22 2015

The Flood Warning continues for
  The Navasota River Near Normangee
* until Saturday afternoon...or until the warning is canceled.
* At 0900 PM Friday the stage was 15.0 feet.
* Minor flooding is occurring and Minor flooding is forecast.
* Flood stage is 15.0 feet.
* Forecast...The river is cresting now and a very slow fall to below
  flood stage is expected to begin tonight.
* At 15.0 feet...Minor lowland flooding begins as water escapes the main channel
  and inundates the flood plain.

&&

LAT...LON 3111 9622 3097 9619 3087 9614 3087 9624 3097 9629 3111 9633



&&


                     Flood  Observed             Forecast 6 PM
Location             Stage  Stage   Day Time     Sat    Sun    Mon    Tue

Navasota River
  Normangee            15    15.0   Fri 09 PM     14.7   14.4   13.9   13.2





Hazardous Weather Outlook

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
529 AM CDT FRI MAY 22 2015

TXZ163-164-176>179-195>200-210>214-226-227-235>238-231030-
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-
529 AM CDT FRI MAY 22 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST TEXAS.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE TODAY MAINLY
SOUTHWEST OF A COLUMBUS TO HOUSTON LINE ALONG A STALLED FRONTAL
BOUNDARY. BRIEF HEAVY DOWNPOURS WITH SPOTTY ACCUMULATIONS OF 1 TO
2 INCHES WITH THESE STORMS. ELSEWHERE STORMS SHOULD BE MORE
ISOLATED WITH LESSER RAINFALL TOTALS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED FOR THESE AREAS THIS AFTERNOON.


.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE WEAK FRONTAL BOUNDARY LIFTS NORTH ON SATURDAY AND RAIN CHANCES
INCREASE OVER MOST OF THE AREA. A STRONG UPPER LEVEL STORM SYSTEM
WILL MOVE OUT OF THE FOUR CORNERS AREA PULLING UNUSUALLY HIGH
MOISTURE LEVELS FROM THE GULF AND FROM THE TROPICAL PACIFIC
NORTHWARDS INTO SOUTHEAST TEXAS. THIS WILL LEAD TO A LONG DURATION
HEAVY RAIN EVENT IN SOUTHEAST TEXAS. RAIN CHANCES INCREASE FROM
WEST TO EAST SATURDAY NIGHT AND SUNDAY AS THE FIRST IN A SERIES OF
UPPER LEVEL DISTURBANCES TRACK INTO THE REGION. A LARGE SWATH OF
STORMS SHOULD STRETCH FROM SOUTH TEXAS UP THROUGH THE HILL COUNTRY
SATURDAY NIGHT THEN GRADUALLY SHIFT EASTWARD. THIS PATTERN WILL
REMAIN ON SUNDAY AND IN ADDITION TO VERY HEAVY RAIN THE
POSSIBILITY OF TORNADOES WILL INCREASE SUNDAY AND SUNDAY NIGHT. ON
MONDAY MORE FAST MOVING HEAVY RAIN PRODUCING STORMS WILL MOVE
NORTH AND EAST THROUGH THE AREA. RAINFALL TOTALS OF 1 TO 2 INCHES
WILL BE COMMON ACROSS ALL OF SOUTHEAST TEXAS FOR THE MEMORIAL DAY
WEEKEND WITH SCATTERED AMOUNTS OF 4 TO 8 INCHES.

ALL OF THE RAINS THIS WEEKEND WILL BE FALLING ON WET GROUND AND
MUCH OF THE RAIN WILL BECOME RUNOFF. FLASH FLOODING IS VERY LIKELY
TO OCCUR THIS HOLIDAY WEEKEND. MAINSTEM RIVER FLOODING IS ALSO
LIKELY GIVEN THE WIDESPREAD NATURE OF THE HEAVY RAINS ON TOP OF
THE ELEVATED RIVER LEVELS ALREADY PRESENT IN THE SOUTHEAST TEXAS
RIVERS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY SATURDAY NIGHT THROUGH TUESDAY.

$$



U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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