May 2015 Record Setting May Rainfall Totals For Region

Mon May 25, 2015 7:22 pm

https://twitter.com/BastropCntyOEM

BastropCntyTexas OEM @BastropCntyOEM · 25m 25 minutes ago

Lake Dam at Bstp State Park has failed. Anyone in the path along Copperas Creek need to seek higher ground. Eastern Tahitian Villiage Area

BastropCntyTexas OEM @BastropCntyOEM · 2m 2 minutes ago

Hwy 71 has flooded due 2 Dam rupture in park. Please seek higher ground immediately! Water now moving into Tahitian.

Mon May 25, 2015 7:27 pm

Not liking the isolated development ahead of the squall line in Wharton and Matagorda Counties. These are storms to watch over the next few hours.

Mon May 25, 2015 7:30 pm

Kat, that's what I was talking about.
Will the lack of daytime heating become a factor?

Mon May 25, 2015 7:35 pm

From Nesdis:

SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 05/26/15 0025Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-683-1404
LATEST DATA USED: GOES-EAST:0015Z JS
.
LOCATION...W LOUISIANA/W TO CENT ARKANSAS/S CENT TO E TEXAS...
.
ATTN WFOS...LZK...LCH...SHV...TSA...HGX...FWD...CRP...EWX...
ATTN RFCS...LMRFC...ABRFC...WGRFC...
.
NESDIS IS CONTINUING TO ACCEPT APPEALS ON THE RETIREMENT OF THE SPENES
PRODUCT. APPEALS CAN BE SUBMITTED BY EMAILING JOHN.SIMKO@NOAA.GOV
.
EVENT...UPDATE TO EARLIER SPENES MESSAGES FOR ONGOING CONVECTIVE SYSTEM.
.
SATELLITE ANALYSIS AND TRENDS...CONTINUING TO TRY TO STAGGER SPENES
MESSAGES WITH WPC MPD'S FOR ONGOING LARGE LINEAR MCS. AS PER INFORMATION
FROM EARLIER SPENES GUIDANCE, STILL WATCHING THE SOUTHERN PORTION OF
THE LINE ACROSS S CENT TO SE TX FOR THE HEAVIEST RAINFALL PER SATELLITE
TRENDS AND MESO-ANALYSIS. LATEST ANALYSIS AND GOES SOUNDER PRODUCTS ARE
CONTINUING TO SHOW A LARGE AMOUNT OF INSTABILITY/CAPE RESIDING ON THE S
AND SE PERIPHERY OF THE S PORTION OF THE CURRENT ACTIVITY OVER S CENT-SE
TX ALONG WITH A S-SE INFLUX OF VERY MOIST AIR FROM THE FAR W GULF/S TX
WHERE NEAR 80 DEGREE SFC DEWPOINTS AND 2" PW VALUES ARE LOCATED AS SEEN
IN SFC OBSERVATIONS AND LATEST BLENDED TPW/MICROWAVE PRODUCTS. OBJECTIVELY
DERIVED SFC BASED MOISTURE CONVERGENCE STILL DEPICTS A STRONG MAX LOCATED
JUST S AND SE OF THE S END OF THE MCS WHICH IS COLLOCATED WITH REGION
OF CONFLUENT LOW LEVEL INFLOW.
.
FARTHER TO THE N, THE QLCS WITH EMBEDDED MESO LOWS NEAR OK-AR BORDER AND
OVER NE TX NEAR LONGVIEW HAS ACCELERATED/BOWED EASTWARD DRIVEN BY STRONG
COLD POOL. THIS HAS LIMITED THE OVERALL HEAVY RAIN THREAT TO THE SHORTER
TERM DRIVEN BY RATHER BRIEF BUT INTENSE RAIN RATES ON SATURATED SOILS.
.
OUTLOOK...FOR THE NEXT SEVERAL HOURS, NOT EXPECTING ANY CHANGE WITH THE
OVERALL THREAT FOR THE NORTHERN PORTION OF THE LINE AS IT MOVES ACROSS
AR AND INTO NW LA WITH SOME SLIGHTLY GREATER THREAT FOR VERY LOCALIZED
HEAVIER RAINFALL WHERE CELLS AHEAD OF THE LINE MERGE WITH THE ADVANCING
LINE. FOR THE PORTION OF THE LINE MOVING ACROSS E TX EVENTUALLY INTO
LA, BELIEVE IT WILL AT LEAST MAINTAIN ITS RAINFALL INTENSITY AND COULD
EVEN BRIEFLY SPIKE FURTHER OVER LA AS IT ENCOUNTERS WESTWARD PROPAGATING
OUTFLOW BOUNDARY AND ACCOMPANYING SCATTERED CELLS CURRENTLY LOCATED OVER
N CENT-CENT LA. FARTHER TO THE S, SEEING NO INDICATION OF WEAKENING AT
ALL WITH CURRENT SATELLITE IR ENHANCEMENT/SIGNATURE ABOUT AS PRONOUNCED
AS POSSIBLE AND CLOUD TOP TEMPS NEARING OR LOWER THAN -80C. ALL SIGNS ARE
POINTING TOWARD THIS PART OF THE LINE AS HAVING THE GREATEST OVERALL HEAVY
RAIN THREAT GIVEN ITS POSITION RELATIVE TO THE LLJ/LOW LEVEL CONVERGENCE
AND ITS ALIGNMENT PARALLEL TO THE MEAN FLOW THROUGH THE COLUMN SUPPORTING
SOME BACK BUILDING. EXPECT THE HEAVIEST RAINFALL TO FALL ALONG A LINE
FROM EAST OF SAN ANTONIO TO N AND W OF HOUSTON OVER THE NEXT SEVERAL
HOURS WITH EXTREMELY INTENSE RAINFALL RATES CONTINUING. MEDIUM TO HIGH
CONFIDENCE IN ENTIRE OUTLOOK.

Mon May 25, 2015 7:46 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
743 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN WASHINGTON COUNTY IN SOUTHEASTERN TEXAS...
NORTHWESTERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...
NORTHEASTERN AUSTIN COUNTY IN SOUTHEASTERN TEXAS...
SOUTH CENTRAL WALKER COUNTY IN SOUTHEASTERN TEXAS...
WALLER COUNTY IN SOUTHEASTERN TEXAS...
WESTERN MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
SOUTHERN GRIMES COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 845 PM CDT

* AT 742 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR TODD MISSION...OR 11 MILES
NORTHEAST OF PRAIRIE VIEW...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
CONROE...HUNTSVILLE...TOMBALL...NAVASOTA...HEMPSTEAD...WILLIS...
PRAIRIE VIEW...PINEHURST...THE WOODLANDS...HOCKLEY...OAK RIDGE
NORTH...WALLER...PANORAMA VILLAGE...SHENANDOAH...MAGNOLIA...NEW
WAVERLY...PINE ISLAND...MONTGOMERY...STAGECOACH AND TODD MISSION.

Mon May 25, 2015 7:49 pm

Folks, now is the time for Metro Houston to pay close attention to the weather. There is a lot of rotation noted within the High Precipitation Super Cells embedded within the advancing squall line. Stay safe!

Mon May 25, 2015 7:58 pm

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
750 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* TORNADO WARNING FOR...
NORTHWESTERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...
SOUTH CENTRAL WALKER COUNTY IN SOUTHEASTERN TEXAS...
NORTHEASTERN WALLER COUNTY IN SOUTHEASTERN TEXAS...
NORTHWESTERN MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
SOUTHEASTERN GRIMES COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 815 PM CDT

* AT 749 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
OVER MAGNOLIA...OR NEAR PINEHURST...AND MOVING NORTHEAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
NORTHERN CONROE...WILLIS...PINEHURST...PANORAMA VILLAGE...
MAGNOLIA...MONTGOMERY...TODD MISSION...LAKE CONROE DAM...DOBBIN AND
PLANTERSVILLE.

Mon May 25, 2015 8:04 pm

Looks like that East to West line may be happening at the tail end.

Mon May 25, 2015 8:20 pm

anyone provide update for lake conroe weather wise?

Mon May 25, 2015 8:24 pm

Update from Jeff (7:54 PM):

Dangerous Flash Flood situation over SE/SC TX.

Tremendous rainfall in a long band from Lake Livingston to SE of San Antonio. Life threatening flash flooding is developing. Rainfall rates of 1-3 inches per hour in progress over the NW half of SE TX. Line of storms continues to slow and additional rainfall of 3-5 inches is possible on top of what has fallen.

Law enforcement is reporting numerous high water rescues in progress across SC/SE TX.

This is a serious flash flood situation. Act immediately is water quickly rises at your location. Climb to safety on your rooftop as a last resort option.

Flash Flood Warnings:

Brazos, Burleson, Madison, Walker, Houston, Grimes, Waller, Austin, Washington, Colorado Counties until 10pm.

Mon May 25, 2015 8:32 pm

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
827 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
POLK COUNTY IN SOUTHEASTERN TEXAS...
SOUTHEASTERN WALKER COUNTY IN SOUTHEASTERN TEXAS...
SAN JACINTO COUNTY IN SOUTHEASTERN TEXAS...
NORTHEASTERN MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 1130 PM CDT

* AT 826 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. RAINFALL RATES OF UP TO 2
INCHES PER HOUR WERE OCCURRING. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LIVINGSTON...SHEPHERD...ONALASKA...CORRIGAN...COLDSPRING...POINT
BLANK...GOODRICH...SEVEN OAKS...LAKE LIVINGSTON STATE PARK...WEST
LIVINGSTON...MOSCOW...EVERGREEN AND LEGGETT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.

Mon May 25, 2015 8:38 pm

wind & cold air is definitely here, but the rain seems to have put the brakes on, not good

Mon May 25, 2015 8:41 pm

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
835 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
CENTRAL COLORADO COUNTY IN SOUTHEASTERN TEXAS...
NORTHWESTERN HARRIS COUNTY IN SOUTHEASTERN TEXAS...
EASTERN AUSTIN COUNTY IN SOUTHEASTERN TEXAS...
WALLER COUNTY IN SOUTHEASTERN TEXAS...
SOUTHWESTERN MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
SOUTHEASTERN GRIMES COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 1130 PM CDT

* AT 834 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. RAINFALL RATES UP TO 2 INCHES
PER HOUR WERE OCCURRING. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
TOMBALL...SEALY...HEMPSTEAD...PRAIRIE VIEW...BELLVILLE...
COLUMBUS...PINEHURST...THE WOODLANDS...HOCKLEY...OAK RIDGE NORTH...
WALLER...SHENANDOAH...PINE ISLAND...SAN FELIPE...STAGECOACH...
PATTISON...TODD MISSION...CYPRESS...HOOKS AIRPORT AND THE WOODLANDS
PAVILLION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

Mon May 25, 2015 8:43 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
841 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
WESTERN LIBERTY COUNTY IN SOUTHEASTERN TEXAS...
HARRIS COUNTY IN SOUTHEASTERN TEXAS...
SOUTHWESTERN SAN JACINTO COUNTY IN SOUTHEASTERN TEXAS...
WALLER COUNTY IN SOUTHEASTERN TEXAS...
MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
NORTHWESTERN FORT BEND COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 945 PM CDT

* AT 840 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR WALLER...OR NEAR PRAIRIE
VIEW...AND MOVING EAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
CONROE...HUMBLE...KATY...TOMBALL...CLEVELAND...JERSEY VILLAGE...
DAYTON...HEMPSTEAD...PRAIRIE VIEW...BROOKSHIRE...HUNTERS CREEK
VILLAGE...BUNKER HILL VILLAGE...PINEY POINT VILLAGE...PINEHURST...
SPRING VALLEY...SPRING BRANCH WEST...GREATER GREENSPOINT...ADDICKS
PARK TEN...GREATER HEIGHTS AND NEAR NORTHSIDE HOUSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA. ALTHOUGH A TORNADO IS
NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

Mon May 25, 2015 8:47 pm

http://www.harriscountyfws.org/GageDeta ... /2340?R=20

inch of rain in 15 min at this gauge - Bear Branch at 2978

Mon May 25, 2015 8:49 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
845 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL HARRIS COUNTY IN SOUTHEASTERN TEXAS...
NORTHEASTERN FORT BEND COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 915 PM CDT

* AT 845 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED OVER SOUTHERN SUGAR
LAND...AND MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
SUGAR LAND...MISSOURI CITY...NORTHEASTERN ROSENBERG...STAFFORD...
BELLAIRE...WEST UNIVERSITY PLACE...RICHMOND...JERSEY VILLAGE...
HUNTERS CREEK VILLAGE...BUNKER HILL VILLAGE...PINEY POINT
VILLAGE...SPRING VALLEY...GREATER FIFTH WARD...FOURTH WARD...TOWN
WEST...PECAN GROVE...FIRST COLONY...SPRING BRANCH WEST...NEARTOWN /
MONTROSE AND DOWNTOWN HOUSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA. ALTHOUGH A TORNADO IS
NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

Mon May 25, 2015 8:50 pm

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
847 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN POLK COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 915 PM CDT

* AT 847 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR ALABAMA-COUSHATTA
RESERVATION...OR 15 MILES SOUTHEAST OF LIVINGSTON...AND MOVING EAST
AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
ALABAMA-COUSHATTA RESERVATION AND SEGNO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE AREA. ALTHOUGH A TORNADO IS
NOT IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO
A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FOR SOUTHEASTERN
TEXAS.

Mon May 25, 2015 8:50 pm

Update from Jeff:....great team work gang!

NWS has issued a Flash Flood Warning for northern Harris County until 1130pm.

Band of excessive rainfall is moving into northern Harris County at this time. Additional heavy rainfall is moving NNE from central Fort Bend County.

Rainfall rates of 1-3 inches per hour will be possible over the next 1-2 hours.

Street flooding is likely. Responses on area watersheds is likely.

Mon May 25, 2015 8:55 pm

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
854 PM CDT MON MAY 25 2015

THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
NORTHERN BRAZORIA COUNTY IN SOUTHEASTERN TEXAS...
HARRIS COUNTY IN SOUTHEASTERN TEXAS...
SOUTHWESTERN SAN JACINTO COUNTY IN SOUTHEASTERN TEXAS...
MONTGOMERY COUNTY IN SOUTHEASTERN TEXAS...
CENTRAL FORT BEND COUNTY IN SOUTHEASTERN TEXAS...

* UNTIL 1145 PM CDT

* AT 849 PM CDT...A LINE OF STORMS WILL CONTINUE MOVING INTO THE
REGION. RAINFALL RATES WITHIN THE LINE...AND STORMS MERGING INTO
THE LINE...ARE PRODUCING VERIFIED RAINFALL RATES BETWEEN 3 AND 4
INCHES. THESE RATES ARE TOO HIGH FOR METRO AREAS TO HANDLE AND
FLASH FLOODING WILL SOON BEGIN ACROSS PARTS OF THE HOUSTON METRO
AND SURROUNDING AREAS. DO NOT DRIVE ACROSS FLOODED ROADS! YOU
CANNOT GAGE HOW DEEP WATER IS...ESPECIALLY AT NIGHT. THERE IS
ONGOING STREET FLOODING IN AND NEAR THE WOODLANDS.

WITHIN THE LINE OF FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTHWESTERN PASADENA...NORTHWESTERN PEARLAND...SUGAR LAND...
NORTHWESTERN BAYTOWN...MISSOURI CITY...CONROE...DEER PARK...EASTERN
ROSENBERG...STAFFORD...SOUTH HOUSTON...BELLAIRE...HUMBLE...WEST
UNIVERSITY PLACE...KATY...RICHMOND...GALENA PARK...TOMBALL...
JACINTO CITY...JERSEY VILLAGE AND HUNTERS CREEK VILLAGE.

May 2015 Record Setting May Rainfall Totals For Region

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