San Juan NWS
Posted by
JAC on 8/18/2009, 8:55 am
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN JUAN PR 516 AM AST TUE AUG 18 2009
.SYNOPSIS...AT UPPER LEVELS...A LOW PRESSURE WEST OF JAMAICA WILL MOVE WEST AS HIGH PRESSURE BUILDS OVER THE AREA FRIDAY EXTENDING WEST AND NORTHEAST FROM PUERTO RICO. THE RIDGE WILL MOVE NORTHWEST OVER THE WEEKEND AND FORM A HIGH THAT MOVES THROUGH THE FLORIDA STRAIT MONDAY FROM THE CENTRAL ATLANTIC. AS IT DOES SO LOW PRESSURE WILL DEEPEN EAST NORTHEAST OF THE LOCAL AREA INDUCING NORTHERLY FLOW.
AT MID LEVELS...HIGH PRESSURE WILL REMAIN ACROSS THE MID LATITUDE ATLANTIC OCEAN THROUGH THE PERIOD EXCEPT WHEN HURRICANE BILL MOVES UP INTO THE WESTERN ATLANTIC LATE IN THE WEEK. IT WILL REFORM ACROSS THE WESTERN ATLANTIC NEXT WEEK WITH A STRONG HIGH PRESSURE OVER THE CENTRAL ATLANTIC ON MONDAY THAT EXTENDS WEST TO FLORIDA. THEN MID WEEK NEXT WEEK SEVERAL TROUGHS FORM IN THE TROPICAL ATLANTIC...ONE NEAR 55 WEST AND ONE NEAR 30 WEST. THESE WILL MOVE WEST DURING THE REST OF NEXT WEEK...AND MOVE ACROSS THE LOCAL AREA.
AT LOWER LEVELS...HURRICANE BILL WILL MOVE WEST NORTHWEST AND THEN NORTHWEST TO PASS NORTHEAST OF THE LOCAL ISLANDS. AFTER ITS PASSAGE...HIGH PRESSURE WILL RIDGE BACK ACROSS FLORIDA AND THE TRADE WIND FLOW WILL RESUME. A TROUGH WILL PASS THROUGH THE LOCAL AREA ON THURSDAY OF NEXT WEEK IN THE CURRENT SOLUTION.
|
254
In this thread:
Bill - Waiting for the Turn -
ricksterpr,
8/18/2009, 8:51 am- Goodbye Bill - ricksterpr, 8/18/2009, 4:58 pm
- Re: Bill - Waiting for the Turn - ricksterpr, 8/18/2009, 4:18 pm
- Re: Bill - Waiting for the Turn - Conclue, 8/18/2009, 2:27 pm
- Re: Bill - Waiting for the Turn - wfrothefro, 8/18/2009, 2:16 pm
- Re: Bill - Waiting for the Turn - BobbiStorm, 8/18/2009, 12:46 pm
- Re: Bill - Waiting for the Turn - SC, 8/18/2009, 12:18 pm
- Re: Bill - Waiting for the Turn - AlligatorPointer, 8/18/2009, 11:08 am
- San Juan NWS - JAC, 8/18/2009, 8:55 am
- Re: Bill - Waiting for the Turn - SC, 8/18/2009, 8:53 am
Post A Reply
This thread has been archived and can no longer receive replies.