July Weather Discussion

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weatherguy425
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Everyone should definetly keep a look out tonight/ tomorrow!

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
628 PM CDT FRI JUL 2 2010

.DISCUSSION...

SEE AVIATION DISCUSSION.

&&

.AVIATION...

SHWR/TSTM COVERAGE IS DECREASING EARLY THIS EVE. EXPECT THIS TREND
TO CONTINUE AS HEATING IS LOST. DO EXPECT TO SEE SCT SHRA CONTINUE
ACROSS THE AREA WITH AN INCREASE IN COVERAGE AGAIN AROUND 9Z AS
NOCTURNAL NEAR COAST ACTIVITY INCREASES. WILL LIKELY SEE IFR
CEILINGS ACROSS INLAND TERMINALS FORM AROUND MIDNIGHT AND PERSIST
INTO THE MORNING HOURS TOMORROW. ALSO EXPECT DECENT PRECIP
COVERAGE TOMORROW WITH A VERY MOIST AND AN UNSTABLE ATMOSPHERE IN
PLACE.
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wxdata
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EVENT...BEST CELLS CHAMBERS AND LIBERTY...EVERYTHING ELSE MOVING...BUT
HIGH MOISTURE MAKES FOR CONTINUED FF THREAT...
.
SATELLITE ANALYSIS AND TRENDS...GENERAL CLOUD TOP WARMING NOTED
E CENTRAL TO SE TEXAS, EXCEPT CHAMBERS AND LIBERTY COUNTY WHERE HVY RAIN
PERSISTS AND EVEN FURTHER ENHANCED BY SLOW MOVEMENT AND EXCESSIVE DEEP
LAYER MOIST CONTENT STILL AROUND. BUT BIG HVY RAIN AREA OF EARLIER FROM
FT BEND/BRAZORIA TO MONTGOMERY COUNTY WINDING DOWN, ESPECIALLY SOUTH OF
MONTGOMERY.
AND WHAT IS CONTINUING IS JUST TO THE EAST WHERE DIFFERENTIAL
ADVECTION SEEMS BETTER ACROSS LIBERTY AND CHAMBERS. TO THE NORTH...HIGH
CLOUDS FROM PREVIOUS OR EXISTING CONVECTION OBSCURING WHAT IS GOING ON
UNDERNEATH THOSE CLOUDS AND VIS NOT MUCH HELP DELINEATING ANY OVERSHOOTING
CLOUD TOPS...SO NOT MUCH TO HELP WITH THE DETAIL OF WHERE NEXT MOST HEAVY
RAIN AREA IS. BUT IN SHORT TERM WILL MONITOR BEST CLOUD TOP COOLING AND
COLDEST CLOUD TOPS GIVING HIGHEST RAIN RATES LIBERTY INTO CHAMBERS COUNTY.
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Ptarmigan
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I would not be surprised if we see more rain late night and tomorrow.
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Mr. T
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Mr. T wrote:IAH has 5.37" through 7 pm. We only need 0.03" to tie the record daily rainfall for IAH for the month of July...

Light to moderate rain is still falling over the airport, but the rain is almost about to move out of the area. It will be close....
5.43" through 8 pm. We did it (barely)! July 2nd, 2010 is now "officially" the wettest July day on record for Houston.
weatherguy425
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Watchin storms in Galveston county.
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wxdata
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FLOOD WATCH
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
914 PM CDT FRI JUL 2 2010

TXZ210>213-226-227-235>238-030315-
/O.CAN.KHGX.FF.A.0002.000000T0000Z-100703T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUSTIN-BRAZORIA-COLORADO-FORT BEND-GALVESTON-HARRIS-JACKSON-
MATAGORDA-WALLER-WHARTON-
INCLUDING THE CITIES OF...ALVIN...ANGLETON...BAY CITY...
BELLVILLE...BROOKSHIRE...COLUMBUS...EAGLE LAKE...EDNA...
EL CAMPO...FREEPORT...FRIENDSWOOD...GALVESTON...HEMPSTEAD...
HOUSTON...HUMBLE...KATY...LAKE JACKSON...LEAGUE CITY...
MISSOURI CITY...PALACIOS...PASADENA...PEARLAND...PIERCE...
PRAIRIE VIEW...RICHMOND...ROSENBERG...SEALY...SUGAR LAND...
TEXAS CITY...TOMBALL...WEIMAR...WHARTON
914 PM CDT FRI JUL 2 2010

...FLASH FLOOD WATCH IS CANCELLED...

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTHEAST TEXAS...INCLUDING
THE FOLLOWING COUNTIES...AUSTIN...BRAZORIA...COLORADO...FORT
BEND... GALVESTON...HARRIS...JACKSON...MATAGORDA...WALLER AND
WHARTON HAS BEEN CANCELLED.

SHOWERS AND THUNDERSTORMS HAVE DECREASED IN COVERAGE AND INTENSITY
THE LAST FEW HOURS OVER THE AREA.
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txflagwaver
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I do not know where the rain gauge is for the "official" rain totals but I have a rain gauge that holds 6 inches and it overflowed...the official total was 2 inches...
weaman2
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Amazing that HOU airport has gone from an 11 plus inch rainfall deficit a few days ago to to just 1.80 today. Only in southeast Texas!
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srainhoutx
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Welcome weaman2. We look forward to your input!
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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Ptarmigan
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Yesterday's rainfall throughout the area.
http://www.srh.noaa.gov/productview.php?pil=FWRHYDHGX

Code: Select all

000
SXUS74 KHGX 030736
RERHOU

RECORD EVENT REPORT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
0233 AM CDT SAT JUL 03 2010

...RECORD DAILY MAXIMUM RAINFALL SET AT HOUSTON INTERCONTINENTAL...

A RECORD RAINFALL OF 5.43 INCH(ES) WAS SET AT HOUSTON
INTERCONTINENTAL AIRPORT YESTERDAY. THIS BREAKS THE OLD RECORD OF
4.36 INCHES SET IN 1918.

...RECORD DAILY MAXIMUM RAINFALL SET AT HOUSTON/HOBBY AIRPORT...

A RECORD RAINFALL OF 4.97 INCH(ES) WAS SET AT HOUSTON/HOBBY AIRPORT
YESTERDAY. THIS BREAKS THE OLD RECORD OF 2.13 INCHES SET IN 1936.


$$
http://www.srh.noaa.gov/productview.php?pil=HGXRERHOU

Talk about a record event yesterday!
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wxdata
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PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1135 AM CDT SAT JUL 3 2010

...TWO DAY HEAVY RAIN EVENT FOR PARTS OF SOUTHEAST
TEXAS COMING TO AND END...

A TWO DAY RAIN EVENT THAT PUMMELED PARTS OF SOUTHEAST TEXAS WITH
ALMOST 14 INCHES OF RAIN IS FINALLY ON THE WANE. ALTHOUGH
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED
TODAY...RAINFALL TOTALS WILL BE MUCH MORE TAME. THE RAIN WAS
CAUSED BY A COUPLE OF A FACTORS BUT THE MOST SIGNIFICANT
INGREDIENT WAS DEEP TROPICAL MOISTURE. AS ALEX MADE LANDFALL IN
NORTHERN MEXICO...THE STORM PULLED TROPICAL MOISTURE FROM THE
CARIBBEAN TOWARD SOUTHEAST TEXAS. HIGH PRESSURE OVER THE EASTERN
UNITED STATES HELPED TO REINFORCE THE MOISTURE TRAJECTORY AND KEPT
THE TRAIN OF MOISTURE CHUGGING ACROSS SOUTHEAST TEXAS. WAVE AFTER
WAVE OF RAIN MOVED CONTINUOUSLY OVER THE SAME AREA PRODUCING
TREMENDOUS RAINFALL TOTALS.

BRAZORIA COUNTY WAS THE HARDEST HIT AREA. AREAS NEAR SWEENY AND
WEST COLUMBIA RECEIVED 10 TO 12 INCHES OF RAIN ON THURSDAY AND
FRIDAY. PARTS OF MATAGORDA AND JACKSON COUNTIES RECEIVED 8 TO 10
INCHES OF RAIN AND HARRIS...FORT BEND AND WHARTON COUNTIES
RECEIVED BETWEEN 6 AND 8 INCHES OF RAIN. THE EVENING COMMUTE IN
HOUSTON...SLOW EVEN IN THE BEST OF WEATHER...WAS SLOWED
CONSIDERABLY BY HEAVY RAIN AND FLOODED ROADWAYS. HOBBY AIRPORT ON
HOUSTON'S SOUTHEAST SIDE ESTABLISHED 24 HOUR RAINFALL RECORDS ON
THE JULY 1ST AND AGAIN ON JULY 2ND. BUSH INTERCONTINENTAL AIRPORT
ESTABLISHED A NEW RAINFALL RECORD ON JULY 2ND. IT WAS THE HEAVIEST
RAINFALL EVENT AT INTERCONTINENTAL AIRPORT SINCE SEPTEMBER 13 2008
(HURRICANE IKE - 7.73 INCHES). IT WAS THE HEAVIEST RAIN AT HOBBY
AIRPORT SINCE APRIL 18TH 2009 (5.15 INCHES).

UNFORTUNATELY...DOZENS OF HOMES AND BUSINESSES TOOK ON WATER AS
DRAINAGE SYSTEMS STRUGGLED TO KEEP UP WITH RAINFALL AND ELEVATED
TIDES SLOWED THE FLOW OF AREA RIVERS. BELOW IS A TABLE WITH 2 DAY
RAINFALL TOTALS FROM ACROSS SOUTHEAST TEXAS.

SITE JULY 1 JULY 2 TOTAL

BUSH IAH 0.37 5.43 5.80
HOBBY APT 3.92 4.97 8.89
SUGARLAND 1.27 6.01 7.28
PALACIOS 6.67 0.55 7.22
ANGLETON 2.69 2.15 4.84
PEARLAND 3.02 3.89 6.91
CONROE 0.45 3.19 3.64
HUNTSVILLE 0.43 0.79 1.22
NWS OFFICE 3.31 1.28 4.59
GALVESTON 0.84 0.20 1.04
COLLEGE STATION 0.16 0.82 0.98

&&

OTHER LOCATIONS AROUND SOUTHEAST TEXAS:

COMMUNITY JULY 1 JULY 2 TOTAL

ALVIN 3.85 3.28 7.13
ANAHUAC 1.90 0.46 2.36
ARBOR 0.49 4.36 4.85
BELLVILLE 0.68 0.78 1.46
BRENHAM 0.27 1.10 1.37
CALDWELL 0.60 0.35 0.95
CLEVELAND 2.24 1.50 3.74
CROCKETT 0.46 1.23 1.69
DANEVANG 3.38 1.62 5.00
EDNA 2.67 1.73 4.40
EL CAMPO 2.01 1.66 3.67
FREEPORT 2.28 0.35 2.63
HOU HEIGHTS 3.96 5.49 9.36
HOU WESTBURY 2.28 4.36 6.64
LIBERTY 1.27 0.47 1.74
MATAGORDA 1.40 0.62 2.02
RICHMOND 3.01 3.51 6.52
WEST COLUMBIA 8.85 1.89 10.74
WHARTON 3.37 1.60 4.97

&&

OTHER RAINFALL REPORTS

HARRIS COUNTY JULY 1 JULY 2 TOTAL

BAYTOWN 8 NE 2.01 1.29 3.30
BUNKER HILL VGE 1.86 3.15 5.01
CHANNELVIEW 2.30 2.70 5.00
HILLSHIRE VILLAGE 3.25 3.00 6.25
HOUSTON 3.9 SE 3.06 3.26 6.32
KATY 6.8 E 2.19 4.07 6.26
KINGWOOD 1.8 E 0.72 4.75 5.47
KINGWOOD 3.9 S 0.63 5.18 5.81
SOUTH HOUSTON 4.87 4.69 9.56
TOMBALL 0.6 W 0.35 3.30 3.65
WEBSTER 5.24 1.88 7.12

FORT BEND COUNTY JULY 1 JULY 2 TOTAL

MISSION BEND 1.50 6.02 7.52
NEEDVILLE 3.00 4.39 7.39
RICHMOND 3.4 NE 2.50 5.58 8.08
STAFFORD 1.7 SE 1.90 5.40 7.30
weaman2
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At least the latest models are forecasting some drying tomorrow. Latest GFS forecasting precipital water values to drop from today's 2.13 inches down to 1.89 inches by tomorrow evening. Should see at least some decrease in overall coverage tomorrow afternoon, so hoping it will remain dry for the pool party I am going to! 8-)
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tireman4
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Yeah, I am feeling it in my run. It was not so quite debilitating as before. I could actually breathe!!
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wxdata
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FLOOD WATCH
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
329 PM CDT SAT JUL 3 2010

TXZ210>213-226-227-235>238-032130-
/O.CAN.KHGX.FF.A.0003.000000T0000Z-100704T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
AUSTIN-BRAZORIA-COLORADO-FORT BEND-GALVESTON-HARRIS-JACKSON-
MATAGORDA-WALLER-WHARTON-
INCLUDING THE CITIES OF...ALVIN...ANGLETON...BAY CITY...
BELLVILLE...BROOKSHIRE...COLUMBUS...EAGLE LAKE...EDNA...
EL CAMPO...FREEPORT...FRIENDSWOOD...GALVESTON...HEMPSTEAD...
HOUSTON...HUMBLE...KATY...LAKE JACKSON...LEAGUE CITY...
MISSOURI CITY...PALACIOS...PASADENA...PEARLAND...PIERCE...
PRAIRIE VIEW...RICHMOND...ROSENBERG...SEALY...SUGAR LAND...
TEXAS CITY...TOMBALL...WEIMAR...WHARTON
329 PM CDT SAT JUL 3 2010

...FLASH FLOOD WATCH IS CANCELED...

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTHEAST TEXAS HAS BEEN
CANCELED.


LIGHT TO MODERATE RAINFALL IN SCATTERED SHOWERS AND THUNDERSTORMS
DID NOT CAUSE SIGNIFICANT FLOODING PROBLEMS TODAY. RIVER AND
BAYOU LEVELS CONTINUE TO DROP AND THIS TREND IS EXPECTED TO
CONTINUE OVERNIGHT. MOISTURE LEVELS WILL CONTINUE TO DROP AND THE
THREAT FOR HEAVY TO EXCESSIVE RAINFALL HAS DROPPED SIGNIFICANTLY.
THEREFORE...THE FLASH FLOOD WATCH PREVIOUSLY IN EFFECT HAS BEEN
CANCELED.
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wxdata
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SATELLITE PRECIPITATION ESTIMATES..DATE/TIME 07/03/10 1954Z
SATELLITE ANALYSIS BRANCH/NESDIS---NPPU---TEL.301-763-8678
LATEST DATA USED: GOES-13 1945Z KUSSELSON
.
LOCATION...SE TEXAS...
.
ATTN WFOS...LCH...SHV...HGX...FWD...EWX...
ATTN RFCS...WGRFC...
.
EVENT...STILL DEEP MOISTURE BUT LOWER VALUES COMING NORTH THRU
SOUTHERN TEXAS...EYEING HVY RAIN/FF THREAT MOSTLY NORTH OF HOUSTON AREA...
.
SATELLITE ANALYSIS AND TRENDS...LIKE YESTERDAY...HEATING AND DIFFERENTIAL
ADVECTION (SELY LOW LEVEL FLOW AND NW FLOW ALOFT) MAIN FORCING FUNCTIONS
TO SQUEEZE OUT CONTINUED DEEP MOISTURE ACROSS SE TO E CENTRAL TEXAS.
DIFFERENCE WITH FRIDAY IS LOWER PWAT VALUES/SLIGHT DRIER AIR HAS
CONTINUED TO LIFT NORTH THRU SOUTHERN TEXAS TOWARD SOUTHERN PORTION
OF SE TEXAS. ANY TRAINING AREAS OF CELLS ALONG THE SSE TO NNW FLOW
AND ORIENTATION WILL RESULT IN SOME TRAINING CELLS AND HEIGHTEN
FF THREAT. HIGHEST ESTIMATED RAIN AMOUNTS FROM SATELLITE YESTERDAY
WERE IN THE HOUSTON AREA AND ENVIRONS...SO THIS AREA MAY BE MOST
VULNERABLE TO FF THREAT THIS AFTERNOON...BUT THINK MORE CONCENTRATED
BURSTS OF HVY RAIN WILL BE JUST NORTH AND NW OF THE HOUSTON AREA...IE
LIMESTONE...ROBERTSON...HOUSTON...WALKER...GRIMES COUNTIES TO NAME A
FEW AREAS WHERE RAIN RATES CAN REACH 1.0" PER 15-30 MINUTES AND POSSIBLY
2-3 INCHES IF YOU CAN HAVE MULTIPLE WAVES OF HVY RAIN BURSTS OVER A 1-3
HR PERIOD.
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Mr. T
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Ed Mahmoud wrote: Northeast Mexico
It is more likely to arrive in LA than Northeast Mexico
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wxdata
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0z NAM painting a fairly wet picture across SE TX the next 3.5 days-
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srainhoutx
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HGX thoughts concerning heavy rainfall potential and the remnants of 95L...

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1025 AM CDT TUE JUL 6 2010

.DISCUSSION...
LATE THIS MORNING AT 15Z THE MAJORITY OF THE SHOWER ACTIVITY WAS
CONFINED TO BANDS IN THE COASTAL WATERS. ISOLATED ACTIVITY WAS
OCCURRING OVER THE COASTAL SECTIONS OF MATAGORDA COUNTY. THE
SURFACE LOW PRESSURE WAS LOCATED OVER SOUTH CENTRAL LOUISIANA AND
WAS DRIFTING WEST-NORTHWESTWARD. THERE WAS SOME SUBSIDENCE ALOFT
OVER SE TX THIS MORNING DUE TO THE LOCATION OF THE SURFACE LOW
OVER LA AND AN UPPER LOW OVER THE WESTERN GULF OFF THE COAST OF
CRP AND BRO.

THE MAIN CONCERN FOR TODAY IS THE RAINFALL POTENTIAL. THE 12Z LCH
SOUNDING HAD A PW OF 2.4 INCHES...AND THE MODELS ARE CONSISTENT
IN BRINGING THIS MOIST AIR MASS WESTWARD INTO MOST OF THE FORECAST
AREA THIS AFTERNOON AND TONIGHT. GIVEN THE FACT THAT THE LA SYSTEM
IS AT LEAST SEMI-TROPICAL...WOULD EXPECT THE RAINFALL PATTERN TO
SPREAD OUT IN A BANDING PATTERN DURING AFTERNOON INTO SE TX. THAT
WOULD MEAN THAT LATER TONIGHT AS THE LOW CENTER DRIFTS INTO E AND
SE TX...THE RAINFALL PATTERN WILL CONCENTRATE MORE TOWARD THE CORE
OF THE SYSTEM.
WILL UPDATE THE FORECAST FOR THIS AFTERNOON TO
ACCOUNT FOR SLIGHTLY WARMER TEMPERATURES OVER THE EASTERN
COUNTIES BEFORE THE CLOUD COVER SETS IN. DO NOT EXPECT HEAVY
RAINFALL THIS AFTERNOON...BUT THERE IS A POTENTIAL BEGINNING
TONIGHT.
WILL REASSESS THE HEAVY RAINFALL POTENTIAL FOR TONIGHT
THROUGH AT LEAST WEDNESDAY IN THE AFTERNOON FORECAST PACKAGE.
Carla/Alicia/Jerry(In The Eye)/Michelle/Charley/Ivan/Dennis/Katrina/Rita/Wilma/Humberto/Ike/Harvey

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wxdata
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From the SPC

...LA/EAST TX...
A WELL-DEFINED LOW LEVEL CIRCULATION HAS MOVED ASHORE OVER SOUTHERN
LA...AND IS FORECAST TO MOVE SLOWLY NWWD THROUGH THE DAY. A NARROW
BAND OF STRONGER LOW LEVEL WINDS ON THE EAST SIDE OF THE LOW IS
LOCALLY ENHANCING VERTICAL SHEAR PROFILES AND MAY RESULT IN AN
ISOLATED TORNADO THREAT TODAY.
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kayci
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Darn... and I was planning a trip to my favorite beach tomorrow afternoon....
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