Issac Makes Landfall With 45MPH Winds

http://www.wunderground.com/wundermap/

About stevengoddard

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33 Responses to Issac Makes Landfall With 45MPH Winds

  1. Don Sutherland says:

    Maximum sustained winds were 80 mph (not 45 mph) at 5 pm EDT.

    http://www.nhc.noaa.gov/archive/2012/al09/al092012.posest.08282158.shtml

    That strength was supported by the most recent reconnaissance flight:

    000
    URNT12 KWBC 282221
    VORTEX DATA MESSAGE AL092012
    A. 28/21:59:55Z
    B. 28 deg 46 min N
    089 deg 03 min W
    C. 700 mb 2917 m
    D. NA
    E. 301 deg 1 nm
    F. 083 deg 80 kt
    G. 343 deg 45 nm
    H. 971 mb
    I. 12 C / 3061 m
    J. 17 C / 3066 m
    K. 13 C / NA
    L. OPEN SW
    M. C40
    N. 12345 / 7
    O. 1 / 1 nm
    P. NOAA2 3309A ISAAC OB 09
    MAX OUTBOUND FL WIND AND MAX FL WIND 91 KT NE QUAD 22:10:20Z
    MAX FL TEMP 17 C 56 / 7 NM FROM FL CNTR

    • Shock news. Winds are higher aloft

    • Those higher winds are around the eye, still over the water when the leading edge of the storm hits the land. As the map here shows, the winds over the land along the coast are much smaller, well ahead of the eye, with most of the stations showing a good deal less than the 45 mph Steven Goddard is reporting here.

    • Blade says:

      Don Sutherland [August 28, 2012 at 10:33 pm] says:

      “Maximum sustained winds were 80 mph (not 45 mph) at 5 pm EDT.”

      Holy crap Don, you are easy to rope in. Sucker!

      Steve posted a map clearly showing exactly 45mph and you immediately dive in and post aircraft results. Your natural compulsive reflex is to compare apples and oranges, just like all green eco-commies. Amazing that after getting hammered here day after day you still do not look before you leap!

      And don’t try to say you were just offering a different, newer, better measurement. You blew it when you clearly stated “Maximum sustained winds were 80 mph (not 45 mph) at 5 pm EDT.”, directly comparing ground and airborn measurements. (Hint: using airborn measurements changes the historical hurricane record the same way counting invisible sunspots changes the long term solar record. It means you cannot directly compare eras of different technology without adjustments.)

      This is one of the main problems with you eco-nuts. You have no respect for scientific controls whatsoever. It is in your genes to reflexively skewer science!

      • Don Sutherland says:

        The NHC is the arbiter when it comes to tropical cyclones. I have no reason to doubt the NHC’s assessment. Moreover, when the NHC releases its post-storm report sometime during the fall, it is unlikely that Isaac will be classified as a tropical storm at Louisiana landfall, much less one with maximum sustained winds of 45 mph.

      • Me says:

        Yeah I see!

      • Me says:

        So why does it take that long?

  2. Don Sutherland says:

    Hurricane Isaac made landfall with maximum sustained winds of 80 mph. From the National Hurricane Center:

    000
    WTNT54 KNHC 282356
    TCEAT4

    HURRICANE ISAAC TROPICAL CYCLONE POSITION ESTIMATE
    NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012
    700 PM CDT TUE AUG 28 2012

    …ISAAC MAKES LANDFALL IN EXTREME SOUTHEASTERN LOUISIANA…
    …STRONG WINDS AND A DANGEROUS STORM SURGE OCCURRING ALONG THE
    NORTHERN GULF COAST…

    NOAA DOPPLER RADAR INDICATES THAT HURRICANE ISAAC MADE LANDFALL
    ALONG THE COAST OF SOUTHEAST LOUISIANA IN PLAQUEMINES PARISH JUST
    SOUTHWEST OF THE MOUTH OF THE MISSISSIPPI RIVER AT 645 PM CDT…
    2345 UTC…WITH MAXIMUM SUSTAINED WINDS OF 80 MPH…130 KM/H.

    AT 700 PM CDT…0000 UTC…THE CENTER OF HURRICANE ISAAC WAS
    ESTIMATED BY NOAA DOPPLER WEATHER RADAR NEAR LATITUDE 29.0
    NORTH…LONGITUDE 89.4 WEST…OR ABOUT 10 MILES SOUTHWEST OF THE
    MOUTH OF THE MISSISSIPPI RIVER…AND ABOUT 90 MILES SOUTHEAST OF
    NEW ORLEANS LOUISIANA.

    SUSTAINED WIND OF 45 MPH WITH A GUST TO 62 MPH WAS OBSERVED WITHIN
    THE PAST HOUR AT LAKEFRONT AIRPORT IN NEW ORLEANS. A WIND GUST TO
    56 MPH WAS RECENTLY REPORTED AT GALLIANO LOUISIANA.

    A STORM SURGE OF 8.8 FEET WAS RECENTLY REPORTED AT A NATIONAL
    OCEAN SERVICE TIDE GAUGE AT SHELL BEACH LOUISIANA. A STORM SURGE
    OF 5.5 FEET WAS OBSERVED AT A NATIONAL OCEAN SERVICE TIDE GAUGE IN
    WAVELAND MISSISSIPPI.

    SUMMARY OF 700 PM CDT…0000 UTC…INFORMATION
    ————————————————–
    LOCATION…29.0N 89.4W
    ABOUT 10 MI…15 KM SW OF THE MOUTH OF THE MISSISSIPPI RIVER
    ABOUT 90 MI…140 KM SE OF NEW ORLEANS LOUISIANA
    MAXIMUM SUSTAINED WINDS…80 MPH…130 KM/H
    PRESENT MOVEMENT…NW OR 315 DEGREES AT 8 MPH…13 KM/H
    MINIMUM CENTRAL PRESSURE…970 MB…28.64 INCHES

    $$
    FORECASTER BROWN/BRENNAN

  3. Billy in NZ says:

    Don’t know what all the fuss is.In NZ we would call that a breeze.I worked on a tug for 45 years,and it was not uncommon to have 65 knot winds.

  4. Don Sutherland says:

    Grand Isle currently reporting sustained winds of 57 mph. Not bad for a storm that allegedly made landfall with maximum sustained winds of “45 mph.”

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