From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Tue Dec 28 09:17:05 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 oBS1H3Rs024446 for ; Tue, 28 Dec 2010 09:17:04 +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 oBRKRJ61000588; Mon, 27 Dec 2010 19:16:46 -0600 (CST) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 4894223 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Mon, 27 Dec 2010 19:16:45 -0600 Received: from relay05.cites.uiuc.edu (relay05.cites.uiuc.edu [128.174.4.40]) by vacuum.cso.uiuc.edu (8.14.2/8.14.2) with ESMTP id oBS1GjiR007139 for ; Mon, 27 Dec 2010 19:16:45 -0600 (CST) Received: from weather3.admin.niu.edu (weather3.admin.niu.edu [131.156.8.48]) by relay05.cites.uiuc.edu (8.14.4/8.14.2) with ESMTP id oBS1Gc4Z024531 for ; Mon, 27 Dec 2010 19:16:45 -0600 (CST) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id BF1E83FE0004; Mon, 27 Dec 2010 19:16:38 -0600 (CST) X-Proofpoint-Spam-Reason: safe Message-ID: <20101228011638.BF1E83FE0004@weather3.admin.niu.edu> Date: Mon, 27 Dec 2010 19:16:38 -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 794 FXPQ60 PGUM 280116 AAA AFDPQ AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE TIYAN GU 1116 AM CHST TUE DEC 28 2010 .UPDATE... UPDATED AM FORECAST PACKAGE TO INCREASE SHOWER COVERAGE FROM ISOLATED TO SCATTERED FOR ALL FORECAST ZONES. RADAR AND VISIBLE SATELLITE IMAGERY SHOW SHOWER COVERAGE INCREASING ALONG THE CHAIN OF THE MARIANAS. WATER VAPOR SATELLITE IMAGERY AND GFS INITIAL 200 MB FIELDS INDICATE A TUTT SEVERING THE UPPER-LEVEL RIDGE EAST OF THE FORECAST ZONES NEAR 149E. THIS FEATURE APPEARS TO BE PROVIDING THE INSTABILITY AND LIFT FOR THE INCREASED SHOWER FORMATION. IR SATELLITE IMAGERY INDICATES THAT A FEW CBS MAY HAVE FORMED IN THE VICINITY OF THE TROUGH ABOUT 125 MILES NORTHEAST OF SAIPAN...WHERE GFS INITIAL 200 MB DIVERGENCE FIELDS ARE GREATEST. WILL FOREGO THUNDER IN THE FORECAST FOR NOW...BASED ON THE LOWER 200 MB DIVERGENCE VALUES OVER THE FORECAST ZONES. && .GUM WATCHES/WARNINGS/ADVISORIES... GU...NONE. MARIANAS WATERS...NONE. && $$ MCELROY/M. AYDLETT +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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.