Harris County, Texas
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Harris County, Texas
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Flash Flood Watch
TXZ163-164-176>179-195>200-210>213-251615-
/O.CON.KHGX.FF.A.0009.150525T1500Z-150526T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUSTIN-BRAZOS-BURLESON-COLORADO-GRIMES-HARRIS-HOUSTON-LIBERTY-
MADISON-MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-
WASHINGTON-
INCLUDING THE CITIES OF...BELLVILLE...BRENHAM...BROOKSHIRE...
BRYAN...CALDWELL...CLEVELAND...COLDSPRING...COLLEGE STATION...
COLUMBUS...CONROE...CORRIGAN...CROCKETT...DAYTON...EAGLE LAKE...
GROVETON...HEMPSTEAD...HOUSTON...HUMBLE...HUNTSVILLE...KATY...
LAKE SOMERVILLE...LIBERTY...LIVINGSTON...MADISONVILLE...
NAVASOTA...ONALASKA...PASADENA...PRAIRIE VIEW...SEALY...
SHEPHERD...THE WOODLANDS...TOMBALL...TRINITY...WEIMAR...WILLIS
1111 PM CDT SUN MAY 24 2015

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 10 AM CDT MONDAY
THROUGH MONDAY EVENING...

THE FLASH FLOOD WATCH CONTINUES FOR

* A PORTION OF SOUTHEAST TEXAS...INCLUDING THE FOLLOWING
COUNTIES...AUSTIN...BRAZOS...BURLESON...COLORADO...GRIMES...
HARRIS...HOUSTON...LIBERTY...MADISON...MONTGOMERY...POLK...SAN
JACINTO...TRINITY...WALKER...WALLER AND WASHINGTON.

* FROM 10 AM CDT MONDAY THROUGH MONDAY EVENING

* THE NEXT UPPER LEVEL DISTURBANCE WILL MOVE INTO CENTRAL TEXAS
ON MONDAY. EXPECT THIS DISTURBANCE TO TRIGGER ANOTHER SHOWER
AND THUNDERSTORM COMPLEX TO OUR WEST. THIS SYSTEM SHOULD BE
MOVING INTO WESTERN PARTS OF THE AREA TOWARD MID MORNING AND
ACROSS THE REMAINDER OF THE REGION THROUGH THE AFTERNOON
HOURS. UPPER LEVEL CONDITIONS ARE AGAIN FAVORABLE FOR TRAINING
STRONG STORMS. THERE IS SOME UNCERTAINTY JUST HOW FAST THE
SYSTEM WILL MOVE OUT AND SOME LOCATIONS COULD SEE
PRECIPITATION CONTINUE INTO THE EVENING. IN GENERAL...EXPECT 1
TO 3 INCH RAINFALL AMOUNTS IN THE WATCH AREA...ESPECIALLY
NORTH OF INTERSTATE 10 WHERE CONDITIONS ARE MORE FAVORABLE FOR
THE HIGHER AMOUNTS. LOCALIZED HIGHER TOTALS ARE POSSIBLE WHERE
TRAINING CELLS OCCUR...AND ALSO IF THE EVENT DRAGS ON INTO THE
EVENING HOURS. THIS WATCH WILL NEED TO BE EXPANDED IN TIME IF
IT DOES.

* IMPACTS...THE GROUND REMAINS SATURATED AND ADDITIONAL HEAVY
RAIN IN A SHORT TIME PERIOD WILL RUN OFF AND CREATE FLASH
FLOODING AND ADDITIONAL RISES ON ALREADY SWOLLEN 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.

&&

$$
Flash Flood Watch
TXZ163-164-176>179-195>200-210>213-252100-
/O.EXT.KHGX.FF.A.0009.150525T1600Z-150526T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUSTIN-BRAZOS-BURLESON-COLORADO-GRIMES-HARRIS-HOUSTON-LIBERTY-
MADISON-MONTGOMERY-POLK-SAN JACINTO-TRINITY-WALKER-WALLER-
WASHINGTON-
INCLUDING THE CITIES OF...BELLVILLE...BRENHAM...BROOKSHIRE...
BRYAN...CALDWELL...CLEVELAND...COLDSPRING...COLLEGE STATION...
COLUMBUS...CONROE...CORRIGAN...CROCKETT...DAYTON...EAGLE LAKE...
GROVETON...HEMPSTEAD...HOUSTON...HUMBLE...HUNTSVILLE...KATY...
LAKE SOMERVILLE...LIBERTY...LIVINGSTON...MADISONVILLE...
NAVASOTA...ONALASKA...PASADENA...PRAIRIE VIEW...SEALY...
SHEPHERD...THE WOODLANDS...TOMBALL...TRINITY...WEIMAR...WILLIS
326 AM CDT MON MAY 25 2015

...FLASH FLOOD WATCH NOW IN EFFECT FROM 11 AM CDT THIS MORNING
THROUGH THIS EVENING...

THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR

* A PORTION OF SOUTHEAST TEXAS...INCLUDING THE FOLLOWING
COUNTIES...AUSTIN...BRAZOS...BURLESON...COLORADO...GRIMES...
HARRIS...HOUSTON...LIBERTY...MADISON...MONTGOMERY...POLK...SAN
JACINTO...TRINITY...WALKER...WALLER AND WASHINGTON.

* FROM 11 AM CDT THIS MORNING THROUGH THIS EVENING

* AN UPPER LEVEL DISTURBANCE WILL TRACK ACROSS THE STATE TODAY AND
BRING ANOTHER ROUND OF SEVERE THUNDERSTORMS WITH HEAVY RAINFALL.
THE SOIL IS ALREADY SATURATED...SO ANY ADDITIONAL HEAVY RAINFALL
WILL CAUSE FLASH FLOODING. THERE IS SOME UNCERTAINTY JUST HOW
FAST THE SYSTEM WILL MOVE OUT AND SOME LOCATIONS COULD SEE
PRECIPITATION CONTINUE INTO THE EVENING.

* EXPECT 1 TO 3 INCH RAINFALL AMOUNTS IN THE WATCH
AREA...ESPECIALLY NORTH OF INTERSTATE 10 WHERE CONDITIONS ARE
MORE FAVORABLE FOR THE HIGHER AMOUNTS. LOCALIZED HIGHER TOTALS
ARE POSSIBLE WHERE STORMS REPEATEDLY MOVE OVER THE SAME
AREA...AND ALSO IF THE EVENT DRAGS ON INTO THE LATE EVENING
HOURS. THIS WATCH WILL NEED TO BE EXPANDED IN TIME IF IT DOES.

* IMPACTS...THE GROUND REMAINS SATURATED AND ADDITIONAL HEAVY RAIN
IN A SHORT TIME PERIOD WILL RUN OFF AND CREATE FLASH FLOODING
AND ADDITIONAL RISES ON ALREADY SWOLLEN 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.

&&

$$
Hydrologic Statement
TXC201-339-250156-
/O.ROU.KHGX.HY.S.0000.000000T0000Z-000000T0000Z/
/HMMT2.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
857 PM CDT SAT MAY 23 2015

* At 0745 PM Saturday the stage was 46.4 feet.
* Flood stage is 49.3 feet.
* Forecast...The river will rise to near 46.8 feet tonight the begin a slow fall
to around 45.0 feet by Thursday evening.

&&

LAT...LON 3015 9529 3004 9520 2998 9527 3008 9536



&&


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

West Fork San Jacinto River
Humble 49 46.4 Sat 08 PM 46.6 46.1 45.8 45.4

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