From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Wed Dec 22 13:44:29 2010 Received: from vacuum.cso.uiuc.edu (vacuum.cso.uiuc.edu [128.174.5.113]) by cozumel.ust.hk (8.13.8/8.13.8) with ESMTP id oBM5iSkS018055 for ; Wed, 22 Dec 2010 13:44:29 +0800 Received: from vacuum.cso.uiuc.edu (vacuum.cso.uiuc.edu [128.174.5.113]) by vacuum.cso.uiuc.edu (8.14.2/8.14.2) with ESMTP id oBLKNBuX022691; Tue, 21 Dec 2010 23:44:14 -0600 (CST) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 4855249 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Tue, 21 Dec 2010 23:44:14 -0600 Received: from relay09.cites.uiuc.edu (relay09.cites.uiuc.edu [128.174.4.86]) by vacuum.cso.uiuc.edu (8.14.2/8.14.2) with ESMTP id oBM5iDki024507 for ; Tue, 21 Dec 2010 23:44:13 -0600 (CST) Received: from weather3.admin.niu.edu (weather3.admin.niu.edu [131.156.8.48]) by relay09.cites.uiuc.edu (8.14.4/8.14.2) with ESMTP id oBM5i7Qd005561 for ; Tue, 21 Dec 2010 23:44:13 -0600 (CST) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id 13A643FE0855; Tue, 21 Dec 2010 23:44:06 -0600 (CST) X-Proofpoint-Spam-Reason: safe Message-ID: <20101222054407.13A643FE0855@weather3.admin.niu.edu> Date: Tue, 21 Dec 2010 23:44:06 -0600 Reply-To: wxmaster@COX.NET Sender: WX-TROPL Tropical Storm and Hurricane WX products From: LDM Weather Subject: Western Pacific: Synoptic Discussion For The Marianas To: WX-TROPL@LISTSERV.ILLINOIS.EDU Precedence: list 083 FXPQ60 PGUM 220543 AFDPQ AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TIYAN GU 343 PM CHST WED DEC 22 2010 .SYNOPSIS... VISIBLE SATELLITE IMAGERY SHOWS A WEAK SHEAR LINE SOUTH OF GUAM...WITH LIGHT NORTH TO NORTHEAST WINDS AND ISOLATED SHOWERS NORTH OF THAT LINE. AFTER ALL THE ISLAND SHOWERS OVER GUAM ON TUESDAY...IT HAS BEEN MUCH QUIETER THIS AFTERNOON...WITH ONLY ISOLATED ISLAND SHOWERS IN LIMITED MOI TURE. MEANWHILE...SEA LEVEL PRESSURE AT THE GUAM AIRPORT IS CURRENTLY 1003 MB...UNUSUALLY LOW FOR DECEMBER IN THE ABSENCE OF ANY TROPICAL SYSTEMS. && .DISCUSSION... GFS/UKMET STILL SHOWING DISJOINTED SHEAR LINE FRAGMENTS NEAR THE MARIANAS OVER THE NEXT FEW DAYS...POSSIBLY COALESCING INTO A SINGLE STRONGER SHEAR LINE OVER THE WEEKEND. QUITE A BIT OF UNCERTAINTY IN THE DETAILS...SO FOR NOW GO WITH MOSTLY CLOUDY THURSDAY THROUGH FRIDAY NIGHT WITH ISOLATED SHOWERS. COULD SEE MORE SHOWERS OVER THE HOLIDAY WEEKEND THAN CURRENTLY FORECAST BUT WOULD LIKE TO SEE MORE DEFINITE INDICATIONS IN THE NEXT FEW MODELS RUNS BEFORE PUTTING THAT INTO THE FORECAST. && .EASTERN MICRONESIA... WILL BE ADDED AFTER 5 PM. && .WESTERN MICRONESIA... WILL BE ADDED AFTER 5 PM. && .GUM WATCHES/WARNINGS/ADVISORIES... GU...NONE. MARIANAS WATERS...NONE. && $$ MIDDLEBROOKE/DEVITA +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ To unsubscribe from WX-TROPL send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with "unsub wx-tropl" in the body of your message. For help with WX-TROPL write to cnovy@cox.net. For more information on tropical weather products, see the NHC Homepage at http://www.nhc.noaa.gov.