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  • Discussion

    AXNT20 KNHC 121144
    TWDAT
    TROPICAL WEATHER DISCUSSION
    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
    TROPICAL WEATHER DISCUSSION FOR NORTH AMERICA...CENTRAL
    AMERICA...GULF OF MEXICO...CARIBBEAN SEA...NORTHERN SECTIONS OF
    SOUTH AMERICA...AND ATLANTIC OCEAN TO THE AFRICAN COAST FROM THE
    EQUATOR TO 32N. THE FOLLOWING INFORMATION IS BASED ON SATELLITE
    IMAGERY...METEOROLOGICAL ANALYSIS...WEATHER OBSERVATIONS...AND
    RADAR.
    BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
    1115 UTC.
    ...ITCZ...
    ITCZ AXIS IS CENTERED ALONG 8N10W 4N24W 1N32W ACROSS THE EQUATOR
    AND INLAND OVER SOUTH AMERICA NEAR 51W. NO SIGNIFICANT
    CONVECTION IS NOTED.
    ...DISCUSSION...
    GULF OF MEXICO...
    LOW PRESSURE REMAINS IN CONTROL OF THE ENTIRE GULF WITH A COLD
    FRONT ENTERING THE GULF FROM A 1004 MB LOW OFF THE GEORGIA/SOUTH
    CAROLINA COAST ACROSS FLORIDA S OF JACKSONVILLE TO NEAR CEDAR
    KEY TO 29N85W WHERE A DEVELOPING WARM FRONT CONTINUES TO A 998
    MB LOW OVER THE CENTRAL GULF NEAR 26N90W AND A SURFACE TROUGH
    EXTENDING SW ALONG 21N94W TO INLAND OVER MEXICO S OF TUXPAN.
    THIS SCENARIO IS SUPPORTED BY A LARGE UPPER TROUGH/LOW CENTERED
    OVER THE CENTRAL PLAIN STATES AND INCLUDES THE NW GULF. AN UPPER
    RIDGE COVERS THE REMAINDER OF THE GULF ANCHORED IN THE E PACIFIC
    AND CONTINUES TO DRAW TROPICAL MOISTURE ACROSS MEXICO AND THE
    GULF FROM TAMPICO MEXICO TO ACROSS THE FLORIDA PENINSULA.
    SCATTERED SHOWERS/THUNDERSTORMS ARE FROM 25N-29N E OF 89W TO
    ACROSS THE FLORIDA PENINSULA. SCATTERED SHOWERS AND POSSIBLE
    ISOLATED THUNDERSTORMS ARE WITHIN 120 NM OF A LINE FROM 26N89W
    TO OVER MEXICO NEAR NEAR TAMPICO. AT 0600 UTC...A SECOND FAST
    MOVING COLD FRONT HAS ENTERED THE NW GULF EXTENDING ACROSS
    VERMILION BAY LOUISIANA TO THE TEXAS COAST NEAR BROWNSVILLE THEN
    ALONG THE COAST OF MEXICO TO INLAND NEAR 23N98W AND AT 0900 UTC
    ENTERS THE GULF ACROSS NEW ORLEANS LOUISIANA ALONG 25N95W TO
    INLAND OVER MEXICO NEAR 22N98W. SKIES ARE CLEARING BEHIND THIS
    COLD FRONT.
    CARIBBEAN SEA...
    A SURFACE TROUGH EXTENDS ACROSS THE NE CARIBBEAN FROM A
    STATIONARY FRONT THAT IS E OF THE LEEWARD ISLANDS OVER DOMINICA
    ALONG 15N66W TO 17N71W WITH ISOLATED SHOWERS N OF SURFACE TROUGH
    TO OVER THE LEEWARD/VIRGIN ISLANDS AND THE GREATER ANTILLES. THE
    BROAD UPPER RIDGE THAT DOMINATES MOST OF THE GULF OF MEXICO
    COVERS THE CARIBBEAN AND COUPLED WITH DRY STABLE AIR ARE GIVING
    THE REMAINDER OF THE CARIBBEAN FAIR WEATHER AGAIN THIS MORNING.
    ATLANTIC OCEAN...
    SURFACE RIDGE REMAINS OVER THE W ATLC ANCHORED BY A 1024 MB HIGH
    ENE OF BERMUDA. SCATTERED SHOWERS/ISOLATED THUNDERSTORMS ARE N
    OF 27N W OF 73W ACROSS THE FLORIDA PENINSULA INTO THE GULF OF
    MEXICO. ISOLATED SHOWERS ARE OVER THE REMAINDER OF THE FAR W
    ATLC S OF 27N W OF 76W. A DEEP LAYER TROUGH COVERS THE REMAINDER
    OF THE W AND INTO CENTRAL ATLC N OF 18N FROM 40W-65W SUPPORTING
    A COLD FRONT THAT ENTERS THE E ATLC NEAR 32N31W ALONG 21N40W TO
    16N52W WHERE IT BECOMES STATIONARY TO JUST E OF THE LEEWARD
    ISLANDS NEAR 15N60W THEN BECOMES A SURFACE TROUGH INTO THE NE
    CARIBBEAN ACROSS DOMINICA. BROAD AREA OF SCATTERED SHOWERS AND
    POSSIBLE ISOLATED THUNDERSTORMS ARE N OF THE FRONT TO 30N W OF
    THE FRONT TO 47W WITH ISOLATED SHOWERS WITHIN 120 NM NW OF THE
    REMAINDER OF THE FRONT CONTINUING ACROSS THE LEEWARD ISLANDS AND
    INTO THE NE CARIBBEAN. A WEAK SURFACE RIDGE IS OVER THE
    REMAINDER OF THE E ATLC WITH A 1020 MB HIGH SW OF THE CANARY
    ISLANDS NEAR 20N17W KEEPING CONDITIONS FAIR ACROSS THE REMAINDER
    OF THE E ATLC.
    FOR ADDITIONAL INFORMATION PLEASE VISIT
    HTTP://WWW.HURRICANES.GOV/MARINE


    forecast by WALLACE
    updated at 705 AM EST FRI MAR 12 2010

    AXPZ20 KNHC 121530
    TWDEP
    TROPICAL WEATHER DISCUSSION
    NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
    1605 UTC FRI MAR 12 2010
    TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM
    THE EQUATOR TO 32N...EAST OF 140W.
    BASED ON 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
    1500 UTC.
    ...ITCZ...
    THE ITCZ AXIS IS CENTERED ALONG 06N77W TO 04N95W TO 05N110W TO
    04N125W TO 04N140W. SCATTERED MODERATE TO ISOLATED STRONG
    CONVECTION IS WITHIN 130-150 NM S OF AXIS BETWEEN 88W AND 98W.
    SCATTERED MODERATE CONVECTION WITHIN 135 NM N OF AXIS W OF 135W.
    ...DISCUSSION...
    A DEEP LAYER TROUGH IS QUICKLY MOVING E ACROSS THE NW PORTION OF
    THE AREA WHILE AMPLIFYING. THE ASSOCIATED COLD FRONT HAS ENTERED
    THE NW CORNER OF THE FORECAST REGION AND STRETCHES FROM 30N138W
    TO 29N140W. TO THE E OF THE TROUGH...A LARGE MID/UPPER RIDGE IS
    AMPLIFYING N OF 25N AND E OF 125W WITH MEAN N TO S RIDGE AXIS
    ACROSS THE WRN U.S. A JET STREAM BRANCH WITH JET CORE WINDS IN
    THE RANGE OF 90-110 KT ROUNDS THE BASE OF THE TROUGH ENTERING
    THE DISCUSSION AREA AT 21N140W THEN CONTINUES E-NE CROSSING
    SOUTHERN BAJA CALIFORNIA AND NORTHERN MEXICO INTO THE NW GULF OF
    MEXICO WHERE WINDS INCREASE TO 150 KT. A 250-300 NM WIDE SWATH
    OF MODERATE SUBSIDENCE INDICATIVE OF DRY...STABLE AIR IS TO THE
    SE OF THE TROUGH TO NEAR 125W...AND INCREASES TO AROUND 450 NM N
    OF JET E OF 125W INCLUDING MOST OF THE BAJA PENINSULA AND
    NORTHERN MEXICO N OF 24N. THE TROUGH IS FORECAST TO MOVE EWD
    INLAND THE WESTERN U.S. IN ABOUT 24HOURS WHILE THE COLD FRONT
    WEAKENS. THE MAIN IMPACT FROM THIS COLD FRONT WILL BE A NEW
    SURGE OF NW SWELL SPREADING ACROSS THE AREA WITH SIGNIFICANT
    WAVE HEIGHTS INCREASING TO 14 FT WITHIN 24 HOURS.
    TO THE S OF THE JET STREAM...BROAD UPPER LEVEL ANTICYCLONIC
    CIRCULATION CENTERED NEAR 7N104W EXTENDS A RIDGE E-NE TO OVER
    CENTRAL AMERICA INTO THE CARIBBEAN SEA. UPPER DIFFLUENT FLOW
    PATTERN TO THE SW OF THE ANTICYCLONE IS HELPING TO SUSTAIN ITCZ
    CONVECTION E OF 98W. A SECOND RIDGE AXIS EXTENDS SW OF THE
    ANTICYCLONE TO NEAR 3N128W. THE ANTICYCLONE IS EXPECTED TO
    CHANGE LITTLE OVER THE NEXT 24 HRS...THEN BEGIN TO SHIFT E IN
    36-48 HRS.
    AT THE SURFACE...A 1024 MB HIGH IS ANALYZED NEAR 27N133W WITH A
    RIDGE SE TO NEAR 20N110W COVERING THE AREA N OF 14N AND W OF
    110W. THIS HIGH CENTER IS FORECAST TO DISSIPATE WITHIN THE NEXT
    24 HRS AS ANOTHER HIGH PRES N OF THE AREA MOVES ESE. UNDER THIS
    WEATHER PATTERN...EXPECT AN INCREASE IN THE AREA OF THE TRADE
    WINDS AS WELL AS AN INCREASE IN WINDS AND SEAS THROUGH THE GULF
    OF CALIFORNIA AND NEAR THE WEST COAST OF MEXICO PARTICULARLY
    FROM 14N TO 20N E OF 107W. CURRENTLY...A BROAD AREA OF STRONG NE
    TRADE WINDS FROM 06N TO 21N W OF 120W IS NOTED PER A PAIR OF
    ASCAT PASSES AT 0520 UTC AND 0700 UTC AND SOME SHIP REPORTS.
    GAP WINDS...
    THE NEXT TEHUANTEPEC GAP WIND EVENT IS FORECAST TO BEGIN EARLY
    THIS EVENING WITH N-NE WINDS OF 20 TO 25 KT...THEN INCREASE TO
    POSSIBLY 30 KT IN ABOUT 24 HRS. WINDS WILL DROP TO BELOW 20 KT
    IN ABOUT 36 HRS.
    FOR ADDITIONAL INFORMATION PLEASE VISIT
    HTTP://WWW.HURRICANES.GOV/MARINE


    forecast by GR/JAH

    Updated on: Fri, 12 Mar 2010 17:25:12 GMT
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  • Outlook
    Updated on: Fri, 12 Mar 2010 17:25:12 GMT
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  • Atlantic

    ATLANTIC PUBLIC/MARINE TROPICAL DISTURBANCE MESSAGES
    ISSUED IN THE LAST 6 HOURS
    END OF REPORT


    Updated on: Fri, 12 Mar 2010 17:25:12 GMT
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  • Pacific

    EASTERN/CENTRAL PACIFIC TROPICAL DISTURBANCE MESSAGES
    ISSUED IN THE LAST 6 HOURS
    END OF REPORT


    Updated on: Fri, 12 Mar 2010 17:25:12 GMT
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COASTAL ALERTS

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CURRENT CONDITIONS

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  • Buoy Map
  • Buoy Data
    buoy

    Houston (42035)

    29.0°, -94.8°
    Air temperature:  56°
    Water temperature:  57°
    Pressure:  1009.3 (+1.9) in.
    Wind speed:  NW at 07 kts.
    Wind gust:  18 kts.
    Wave height:  1.0 m.
    Wave period:  4 s.
    buoy

    Houston (SRST2)

    29.67°, -94.05°
    Air temperature:  50°
    Water temperature:  no report
    Pressure:  1009.7 (+2.5) in.
    Wind speed:  NW at 18 kts.
    Wind gust:  22 kts.
    Wave height:  no report

    Gulf (42019)

    27.91°, -95.36°
    no report
    buoy

    Corpus Christi (PTAT2)

    27.83°, -97.05°
    Air temperature:  55°
    Water temperature:  62°
    Pressure:  1014.2 (+3.2) in.
    Wind speed:  NW at 24 kts.
    Wind gust:  27 kts.
    Wave height:  no report
    buoy

    Padre Island (42020)

    26.97°, -96.69°
    Air temperature:  62°
    Water temperature:  65°
    Pressure:  1012.1 (+2.8) in.
    Wind speed:  NW at 07 kts.
    Wind gust:  14 kts.
    Wave height:  1.4 m.
    Wave period:  5 s.
    buoy

    42002

    25.79°, -93.67°
    Air temperature:  68°
    Water temperature:  75°
    Pressure:  1009.0 (+4.5) in.
    Wind speed:  0.00 kts.
    Wind gust:  07 kts.
    Wave height:  1.9 m.
    Wave period:  6 s.

    42041

    no report
    Fri, 12 Mar 2010 17:15:04 GMT

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