From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Sun Dec 5 13:31:32 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 oB55VUn5029065 for ; Sun, 5 Dec 2010 13:31:31 +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 oB4J3qIS024836; Sat, 4 Dec 2010 23:31:12 -0600 (CST) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 4631106 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Sat, 4 Dec 2010 23:31:12 -0600 Received: from relay10.cites.uiuc.edu (relay10.cites.uiuc.edu [128.174.196.10]) by vacuum.cso.uiuc.edu (8.14.2/8.14.2) with ESMTP id oB55VBHY016534 for ; Sat, 4 Dec 2010 23:31:11 -0600 (CST) Received: from weather3.admin.niu.edu (weather3.admin.niu.edu [131.156.8.48]) by relay10.cites.uiuc.edu (8.14.4/8.14.2) with ESMTP id oB55V5GP002506 for ; Sat, 4 Dec 2010 23:31:11 -0600 (CST) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id 2C9F53FE0870; Sat, 4 Dec 2010 23:31:05 -0600 (CST) X-Proofpoint-Spam-Reason: safe Message-ID: <20101205053105.2C9F53FE0870@weather3.admin.niu.edu> Date: Sat, 4 Dec 2010 23:31:05 -0600 Reply-To: wxmaster@COX.NET Sender: WX-TROPL Tropical Storm and Hurricane WX products From: LDM Weather Subject: Central Pacific: Satellite Interpretation Message To: WX-TROPL@LISTSERV.ILLINOIS.EDU Precedence: list 494 ATHW40 PHFO 050530 SIMHI HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 0530 UTC SUN DEC 05 2010 BASED ON DATA THROUGH 0500 UTC DECEMBER 05 2010 WATER VAPOR IMAGERY WAS SHOWING AN UPPER LEVEL LOW FAR NORTHEAST OF THE STATE NEAR 33N 135W. AN UPPER TROUGH EXTENDED FROM THE LOW TO JUST EAST OF THE BIG ISLAND TO NEAR 17N 158W. THE SOUTHWEST END OF THE TROUGH NEAR THE STATE WAS MOVING SOUTHEAST NEAR 15 MILES AN HOUR. THE UPPER LOW WAS MOVING MORE SLOWLY SOUTHEASTWARD. AN UPPER RIDGE EXTENDED ROUGHLY FROM 18N 165W TO 30N 171W. WITH THIS RIDGE JUST TO OUR WEST AND THE UPPER TROUGH AXIS EAST OF THE STATE...THE AIR MASS AROUND THE ISLANDS TENDED TO BE ON THE DRY AND STABLE SIDE. AN UPPER TROUGH JUST BEYOND THE DATELINE EXTENDED FROM FROM 19N 177E TO 30N 173E. THIS UPPER TROUGH WAS PRODUCING UNSTABLE WEATHER IN THE WAY OF ISOLATED THUNDERSTORMS FROM 16N TO 29N BETWEEN 173W AND 176E. THE TROUGH HAS BEEN NEARLY STATIONARY OVER THE PAST 24 HOURS. A WEAKENING SURFACE HIGH PRESSURE AREA JUST NORTH-NORTHEAST OF THE STATE THIS EVENING WAS GUIDING TIGHTLY BUNCHED PATCHES OF MOSTLY SCATTERED LOW CLOUDS INTO THE STATE. THESE LOW CLOUDS WERE MOVING WEST NEAR 25 MILES AN HOUR. AT 7 PM...MOST OF THESE LOW CLOUDS IN THE AREA WERE AFFECTING THE WINDWARD SIDE OF THE BIG ISLAND AND EAST MAUI. TO A LESSER EXTENT...THE LOW CLOUDS WERE FINDING THEIR WAY ONTO MAINLY THE EAST AND NORTH SIDES OF THE OTHER ISLANDS. FEW CLOUDS WERE NOTED ON THE DOWNWIND SIDE OF THE STATE EXCEPT FOR A FEW NARROW LOW CLOUD PLUMES THAT FORM LEE OF THE MOUNTAINS. THE UPPER LEVEL WEST TO EAST WINDS BETWEEN THE BIG ISLAND AND THE ITCZ AROUND 09N WERE CARRYING STRANDS OF BROKEN CIRRUS CLOUDS EASTWARD MAINLY FROM 10N TO 16N EAST OF 170W. AN INSIGNIFICANT AMOUNT OF SCATTERED TO BROKEN WISPS OF CIRRUS WERE NOTED IMMEDIATELY SOUTHWEST AND SOUTH OF THE BIG ISLAND. $$ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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.