Jump to content

Hurricane Season - 2010


Recommended Posts

Due to work I am riding this one out on Padre. Wife says they ain't leaving unless I do. Perhaps she'll change her mind about time the roads are jammed or she'll approve of a generator after no power for a few days.

Link to comment
Share on other sites

  • Replies 425
  • Created
  • Last Reply

Top Posters In This Topic

Due to work I am riding this one out on Padre. Wife says they ain't leaving unless I do. Perhaps she'll change her mind about time the roads are jammed or she'll approve of a generator after no power for a few days.

Is this her first hurricane on the coast?

Link to comment
Share on other sites

Looking a little better (depending upon where you live...)

ALEX HAS TURNED LEFT AND ACCELERATED DURING THE PAST SEVERAL HOURS. THE 12 HR MOTION IS 325/10...AND THE SHORT-TERM MOTION MAY BE
FASTER. RAWINSONDE DATA THIS MORNING SHOW HEIGHT RISES FROM 850-500 MB OVER LOUISIANA AND TEXAS...INDICATING THE LOW/MID-LEVEL
RIDGE IN THIS AREA IS STRENGTHENING AS FORECAST BY THE LARGE-SCALE MODELS. THE TRACK GUIDANCE IS IN GOOD AGREEMENT THAT ALEX WILL GRADUALLY TURN WEST-NORTHWESTWARD AND WESTWARD ON THE SOUTH SIDE OF THIS RIDGE AS IT STRENGTHENS FURTHER DURING THE NEXT 24-48 HR. INDEED...THE ECMWF AND THE NAM SUGGEST ALEX COULD TURN SOUTH OF WEST AFTER IT MAKES LANDFALL. THE NEW FORECAST TRACK IS SHIFTED A LITTLE TO THE SOUTH AND IS FASTER THAN THE PREVIOUS TRACK BASED ON CURRENT POSITION AND MOTION. HOWEVER...IT STILL LIES NORTH OF THE CONSENSUS MODELS AND THE CENTER OF THE GUIDANCE ENVELOPE. OF THE
DYNAMICAL GUIDANCE...ONLY THE HWRF AND NOGAPS ARE CURRENTLY NORTH OF THE OFFICIAL FORECAST.

Link to comment
Share on other sites

Clearly visible circulation and strong easterly winds in Houston this AM. This is one BIG storm, area wise. Probably a good thing it formed this early. If it had another month or so of warming it would have been wicked.

Dave

Link to comment
Share on other sites

The bigger, the slower.... and usually the really big ones do not get as powerful. drawback is that they "linger" and eventually things start coming apart....

Meanwhile.....

WTNT41 KNHC 300851
TCDAT1
HURRICANE ALEX DISCUSSION NUMBER 19
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL012010
400 AM CDT WED JUN 30 2010

ALEX HAS BECOME MUCH BETTER ORGANIZED THIS MORNING BASED ON
WELL-DEFINED BANDING FEATURES WRAPPING INTO THE CENTER AND THE
APPEARANCE OF A SMALL EYE IN INFRARED IMAGERY. AN AIR FORCE RESERVE
UNIT RECONNAISSANCE AIRCRAFT AT 0842Z MEASURED A CENTRAL PRESSURE
961 MB AND 850 MB FLIGHT-LEVEL WINDS OF 82 KT IN THE NORTHEAST
QUADRANT. THE SFMR ABOARD THE PLANE MEASURED A RELIABLE SURFACE
WIND OF 62 KT AND A RAIN-CONTAMINATED PEAK WIND OF 71 KT. THE
DVORAK INTENSITY ESTIMATE FROM BOTH TAFB AND SAB WAS T4.5/77 KT.
THEREFORE...THE INITIAL INTENSITY IS CONSERVATIVELY INCREASED TO 70
KT FOR THIS ADVISORY.

ALEX HAS WOBBLED WEST-NORTHWESTWARD OVER THE PAST 6 HOURS...AND EVEN
BRIEFLY STALLED. HOWEVER...TRENDING THROUGH THE SATELLITE AND RECON
FIXES YIELDS AN AVERAGE MOTION OF 290/06. UPPER-AIR OBSERVATIONS AT
00Z INDICATED MODEST 10-30 METER HEIGHT RISES FROM 700-400 MB
ACROSS THE GULF COAST FROM LOUISIANA TO FLORIDA...BUT ALSO TO THE
NORTHWEST AND WEST OF ALEX ACROSS TEXAS MEXICO TO THE WEST. THIS
MEANS ALEX IS EMBEDDED BETWEEN TO RIDGES AND IN A WEAKER STEERING
FLOW REGIME THAT NONE OF THE MODELS PICKED UP ON IN THE SHORT TERM.
HOWEVER...ALL OF THE GLOBAL AND REGIONAL MODELS ARE CONSISTENT ON
BRINGING A MID-LEVEL RIDGE FROM WESTERN NEBRASKA SOUTHEASTWARD TO
THE TENNESSEE VALLEY DURING THE NEXT 48 HOURS...WHICH SHOULD ACT TO
STEER ALEX ON WEST-NORTHWESTWARD TRACK FOR THE NEXT 24 HOURS AND
THEN WESTWARD ACROSS NORTHERN MEXICO AFTER THAT. THERE HAS BEEN AN
INTERESTING CHANGE IN THE 00Z AND 06 MODEL GUIDANCE WITH THE ECMWF
SHIFTING FARTHER NORTHWARD...WHICH MEANS THIS MDOEL HAS GONE FROM
BEING THE PERSISTENT LEFT-MOST OF THE MODELS TO THE RIGHT SIDE OF
THE MODEL SUITE...AND IT NOW HAS A TRACK SIMILAR TO HWRF. THE
OFFICIAL FORECAST TRACK HAS BEEN SHIFTED SLIGHTLY TO THE RIGHT OF
THE PREVIOUS TRACK BASED ON THE MORE NORTHWARD INITIAL POSITION...
AND REMAINS NEAR THE EXTREME RIGHT SIDE OF THE GUIDANCE ENVELOPE
AND NORTH OF THE MODEL CONSENSUS.

VERTICAL SHEAR IS FORECAST TO REMAIN LIGHT UP UNTIL LANDFALL OCCURS
IN ABOUT 24 HOURS. GIVEN THAT ALEX IS ALSO MOVING SLOWLY OVER SOME
OF THE WARMEST UPPER-OCEAN HEAT CONTENT IN THAT REGION OF THE GULF
OF MEXICO...STEADY STRENGTHENING RIGHT UP UNTIL LANDFALL SEEMS
REASONABLE. HOWEVER...GIVEN THE RELATIVELY LOW CENTRAL PRESSURE
RECENTLY MEASURED BY THE RECON AIRCRAFT...RAPID INTENSIFICATION OF
AT LEAST 30 KT IN 24 HOURS IS A DISTINCT POSSIBILITY. THE OFFICIAL
INTENSITY FORECAST IS A BLEND OF THE LGEM AND SHIPS MODELS.

FORECAST POSITIONS AND MAX WINDS

INITIAL 30/0900Z 23.3N 95.1W 70 KT
12HR VT 30/1800Z 23.8N 96.2W 80 KT
24HR VT 01/0600Z 24.3N 97.7W 85 KT
36HR VT 01/1800Z 24.5N 99.6W 35 KT...INLAND
48HR VT 02/0600Z 24.4N 101.7W 20 KT...DISSIPATING INLAND
72HR VT 03/0600Z...DISSIPATED INLAND

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


×
×
  • Create New...