May 2016: Shower/Storm Chances To End May

[unome]

I love the bots

https://twitter.com/iembot_hgx

https://twitter.com/SRSORbot

[Rip76]

Texas radar firing up....

[srainhoutx]

FLOOD ADVISORY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
342 PM CDT SAT MAY 14 2016

HARRIS TX-
342 PM CDT SAT MAY 14 2016

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLOOD ADVISORY FOR...
HARRIS COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 545 PM CDT

* AT 341 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
THUNDERSTORMS. THIS WILL CAUSE MINOR FLOODING IN THE ADVISORY AREA.
UP TO ONE AND A HALF TO NEAR TWO INCHES OF RAIN HAVE ALREADY
FALLEN OVER THE ADVISORY AREA.

* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
PASADENA...DEER PARK...GALENA PARK...JACINTO CITY...CHANNELVIEW...
CLOVERLEAF...NORTHERN CLEAR LAKE...EASTERN SOUTH BELT /
ELLINGTON... HIGHLANDS...ELLINGTON
FIELD...HUNTERWOOD...NORTHSHORE...HOUSTON SHIP CHANNEL...EL DORADO
/ OATES PRAIRIE...EAST HOUSTON AND SAN JACINTO STATE PARK.

ADDITIONAL RAINFALL OF 1 TO 2 INCHES IS EXPECTED OVER THE AREA. THIS
ADDITIONAL RAIN WILL CAUSE MINOR FLOODING.

[Ounce]

Looks like the rain from Kerrville to Kingsville is raining itself out of business. I imagine replacements will be around soon enough.

[srainhoutx]

Folks in New Caney need to watch out. Hail up to 1.3 inches possible

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
425 PM CDT SAT MAY 14 2016

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL LIBERTY COUNTY IN SOUTHEASTERN TEXAS...
SOUTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
NORTHERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 500 PM CDT

* AT 425 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ROMAN
FOREST... OR 7 MILES NORTH OF KINGWOOD...AND IS NEARLY STATIONARY
OR MOVING EAST AT 5 MPH.

HAZARD...QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE...
SPLENDORA...PATTON VILLAGE...ROMAN FOREST...WOODBRANCH...PLUM GROVE AND
NEW CANEY.

[srainhoutx]

FLOOD ADVISORY
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
451 PM CDT SAT MAY 14 2016

HARRIS TX-
451 PM CDT SAT MAY 14 2016

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLOOD ADVISORY FOR...
SOUTHWESTERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 645 PM CDT

* AT 450 PM CDT...DOPPLER RADAR AND LOCAL RAIN GUAGES HAVE INDICATED
HEAVY RAIN DUE TO THUNDERSTORMS. THIS WILL CAUSE MINOR FLOODING IN
THE ADVISORY AREA. LOCALIZED TWO TO TWO AND ONE HALF INCHES OF
RAIN HAVE ALREADY FALLEN IN LESS THAN AN HOUR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WESTERN PASADENA...SOUTH HOUSTON...BELLAIRE...WEST UNIVERSITY PLACE...
JERSEY VILLAGE...HUNTERS CREEK VILLAGE...BUNKER HILL VILLAGE...PINEY
POINT VILLAGE...ASTRODOME AREA...SPRING VALLEY...GREATER FIFTH WARD...
FOURTH WARD...SPRING BRANCH WEST...NEARTOWN / MONTROSE...SECOND WARD...
GREATER EASTWOOD...GREATER HOBBY AREA...DOWNTOWN HOUSTON...GREATER
HEIGHTS AND NEAR NORTHSIDE HOUSTON.

[srainhoutx]

MESOSCALE PRECIPITATION DISCUSSION 0210
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
554 PM EDT SAT MAY 14 2016

AREAS AFFECTED...SE TX...FAR SW LA

CONCERNING...HEAVY RAINFALL...FLASH FLOODING POSSIBLE

VALID 142152Z - 150122Z

SUMMARY...NUMEROUS SLOW MOVING CELLS AND QUASI-ORGANIZED GROWTH
INTO AN MCS MAY PRODUCE FLASH FLOODING.

DISCUSSION...ALL THE FAMILIAR THERMODYNAMIC MARKERS WERE IN PLACE
TO SUPPORT VERY HEAVY RAIN RATES...WITH TYPICAL MAY MOISTURE AND
HEAT. HEAVY RAIN WAS ALREADY CONFIRMED WITH REPORTS OF 2.08 INCHES
IN ONE HOUR ON THE EAST SIDE OF HOUSTON FROM WFO HGX...AND A
REPORT OF 1.86 INCHES IN 45 MINUTES NEAR BURNET PER WFO EWX. EVEN
UNDER NORMAL CIRCUMSTANCES THIS EVENT WOULD REPRESENT AN ISOLATED
FLASH FLOOD THREAT...BUT THAT THREAT IS CERTAINLY ENHNACED BY
RECORD RAINFALL IN RECENT WEEKS/MONTHS...RESULTING IN WET SOILS
AND SWOLLEN CREEKS/STREAMS/BAYOUS.

SYNOPTIC FORCING WAS NOT STRONG...BUT A WEAKLY DEFINED SHORTWAVE
TROUGH WAS MORE THAN SUFFICIENT TO ALLOW STRONG CAPE AND
INITIATION ALONG CONVECTIVE OUTFLOWS TO DRIVE THIS EVENT. AT
2130Z...A LOOSELY ORGANIZED MCS WAS DRIFTING OUT OF THE HILL
COUNTRY TOWARD COASTAL SE TX...WHILE ISOLATED CELLS HAD ALSO
INITIATED THROUGHOUT THE HOUSTON METRO. A THIRD CLUSTER OF STORMS
WAS LOCATED JUST AHEAD OF A COLD FRONT SOUTH OF LUFKIN. THE
PRECIPITATION SIGNAL IN THE HRRR HAD INCREASED OVER THE MPD AREA.
GIVEN THE NUMBER OF ONGOING STORMS...IT IS LIKELY THE AVAILABLE
CAPE WILL BE CONSUMED. THERE IS A GRADIENT TOWARD DRIER AIR AND
GREATER DOWNDRAFT CAPE WITH EASTWARD EXTENT AWAY FROM HIGHWAY
287...SO STORMS MAY TEND TO BE MORE PROGRESSIVE AS THEY DEVELOP
TOWARD OR ENTER LOUISIANA. NEWLY DEVELOPING CELLS...HOWEVER...WILL
BE CAPABLE OF 2.5"/HOUR RATES...AND TOTALS APPROACHING 4 INCHES
ARE POSSIBLE WHERE MERGERS OCCUR...ESPECIALLY AHEAD OF THE MCS.

BURKE

ATTN...WFO...CRP...EWX...FWD...HGX...LCH...SHV...

[Katdaddy]

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLOOD ADVISORY FOR...
SOUTHWESTERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 645 PM CDT

* AT 450 PM CDT...DOPPLER RADAR AND LOCAL RAIN GUAGES HAVE INDICATED
HEAVY RAIN DUE TO THUNDERSTORMS. THIS WILL CAUSE MINOR FLOODING IN
THE ADVISORY AREA. LOCALIZED TWO TO TWO AND ONE HALF INCHES OF
RAIN HAVE ALREADY FALLEN IN LESS THAN AN HOUR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
WESTERN PASADENA...SOUTH HOUSTON...BELLAIRE...WEST UNIVERSITY PLACE...
JERSEY VILLAGE...HUNTERS CREEK VILLAGE...BUNKER HILL VILLAGE...PINEY
POINT VILLAGE...ASTRODOME AREA...SPRING VALLEY...GREATER FIFTH WARD...
FOURTH WARD...SPRING BRANCH WEST...NEARTOWN / MONTROSE...SECOND WARD...
GREATER EASTWOOD...GREATER HOBBY AREA...DOWNTOWN HOUSTON...GREATER
HEIGHTS AND NEAR NORTHSIDE HOUSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON`T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

[unome]

temp sure dropped, about to merge/collide from the west & south over nw harris

http://www.wrh.noaa.gov/zoa/mwmap2.php?map=houston
http://atmo.tamu.edu/ciams/lma/network_loop.html

[unome]

gusts 60mph at Sugar Land / Hull http://www.wrh.noaa.gov/zoa/mwmap2.php?map=zhu

[srainhoutx]

Flash Flood Warning being considered for Southern Harris County

[mckinne63]

Wow! Watched the clouds forming while I was in the pool here in Stafford. Quickly got out, and put my car in the garage. My hubby is out of town so decided to put my car in the garage and cracked my side mirror trying to get it into the garage It is really blowing here! Rain is literally blowing sideways.

[srainhoutx]

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
521 PM CDT SAT MAY 14 2016

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL HARRIS COUNTY IN SOUTHEASTERN TEXAS...
NORTHEASTERN FORT BEND COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 815 PM CDT

* AT 519 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
THREE INCHES OF RAIN HAVE ALREADY FALLEN IN THE PAST COUPLE OF
HOURS. ANOTHER 1 TO 3 INCHES OF RAIN MAY FALL OVER THE NEXT COUPLE
OF HOURS OVER THE WARNED AREA. FLASH FLOODING HAS ALREADY BEGUN OR
IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SUGAR LAND...MISSOURI CITY...STAFFORD...SOUTH HOUSTON...BELLAIRE...WEST
UNIVERSITY PLACE...HUNTERS CREEK VILLAGE...BUNKER HILL VILLAGE...PINEY
POINT VILLAGE...ASTRODOME AREA...SPRING VALLEY...FOURTH WARD...TOWN
WEST...FIRST COLONY...SPRING BRANCH WEST...NEARTOWN / MONTROSE...
GREATER EASTWOOD...GREATER HOBBY AREA...DOWNTOWN HOUSTON AND GREENWAY
/ UPPER KIRBY AREA.

[srainhoutx]

HCFCD Gauge on Sims Bayou @ Telephone RD measuring 4.92 inches and still rising

[unome]

3" in 30 minutes in Westbury

http://www.harriscountyfws.org/GageDetail/Index/445

[unome]

http://mesonet.agron.iastate.edu/lsr/#H ... 42309/0100

Time: 2016-05-14T23:09:00Z UTC
Event: FLASH FLOOD
Source: FIRE DEPT/RESCUE
Remark: WATER RESCUES FROM VEHICLES BEING REPORTED IN THE BELLAIRE... MEYERLAND AND WESTBURY AREAS.

[srainhoutx]

Saturday evening briefing from Jeff:

Incredible rainfall in Harris County yet again.

5.60 inches has fallen in the last 2-hrs on lower Sims Bayou which is at the 100-yr rainfall frequency for that period. Over 5.0 inches has fallen in Westbury. Significant street flooding is ongoing from these tremendous rainfall rates.

Low level boundaries galore over the region with boundary collisions and cell mergers causing all kinds of issues. Think the air mass is getting worked over and overall decreasing trend in weather can be expected the next several hours…but still looking at western Harris, Waller, Fort Bend and SW Montgomery County for developing and colliding activity.

Main threats has been tremendous rainfall rates of 3-4 inches per hour. Early hail reports have decreased.

[Katdaddy]

SOUTH CENTRAL HARRIS AND NORTHEASTERN FORT BEND COUNTIES...

AT 600 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. UP TO THREE
INCHES OF RAIN HAVE ALREADY FALLEN. ANOTHER 1 TO 2 INCHES ARE
POSSIBLE THROUGH 8 PM CDT.

WATER IS OVER BANKS AT THE WILLOW WATER HOLE AT LANDSDOWNE DRIVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON`T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

[Katdaddy]

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR
SOUTH CENTRAL HARRIS AND NORTHEASTERN FORT BEND COUNTIES...

AT 600 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. UP TO THREE
INCHES OF RAIN HAVE ALREADY FALLEN. ANOTHER 1 TO 2 INCHES ARE
POSSIBLE THROUGH 8 PM CDT.

WATER IS OVER BANKS AT THE WILLOW WATER HOLE AT LANDSDOWNE DRIVE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON`T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

[unome]

rinse http://www.wpc.ncep.noaa.gov/national_f ... .php?day=2

repeat http://www.wpc.ncep.noaa.gov/national_f ... .php?day=3