From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Mon Dec 27 20:19:55 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 oBRCJr1Y001709 for ; Mon, 27 Dec 2010 20:19:54 +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 oBQE07wT000589; Mon, 27 Dec 2010 06:19:35 -0600 (CST) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 4889885 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Mon, 27 Dec 2010 06:19:34 -0600 Received: from relay06.cites.uiuc.edu (relay06.cites.uiuc.edu [128.174.196.8]) by vacuum.cso.uiuc.edu (8.14.2/8.14.2) with ESMTP id oBRCJYXk025623 for ; Mon, 27 Dec 2010 06:19:34 -0600 (CST) Received: from weather3.admin.niu.edu (weather3.admin.niu.edu [131.156.8.48]) by relay06.cites.uiuc.edu (8.14.4/8.14.2) with ESMTP id oBRCJRX7008356 for ; Mon, 27 Dec 2010 06:19:34 -0600 (CST) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id AE6983FE0084; Mon, 27 Dec 2010 06:19:27 -0600 (CST) X-Proofpoint-Spam-Reason: safe Message-ID: <20101227121927.AE6983FE0084@weather3.admin.niu.edu> Date: Mon, 27 Dec 2010 06:19:27 -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 076 ATHW40 PHFO 271218 SIMHI HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 1210 UTC MON DEC 27 2010 BASED ON DATA THROUGH 1130 UTC DECEMBER 27 2010 THE EARLY MONDAY MORNING WATER VAPOR IMAGERY SHOWS A SLOW MOVING UPPER LEVEL TROUGH 850 MILES WEST NORTHWEST OF KAUAI. USING THE BACK EDGE TO THE AREA OF MULTILAYERED CLOUDS AS THE TROUGH AXIS...SUGGEST A SLIGHT EASTWARD PUSH OF THE TROUGH DURING THE PAST 8 HOURS. THE POINTS OF THE TROUGH AXIS ARE AS FOLLOWS...30N169W TO 24N174W TO 15N179W. THERE APPEARS TO BE A VORT MAX AT THE BASE OF THE UPPER TROUGH AT 17N177W. A LARGE POOL OF MULTILAYERED CLOUDS OCCUPIES THE AREA BETWEEN THE TROUGH AND KAUAI...AND FROM 30N TO 10N. SEVERAL AREAS OF DEEP CONVECTION MARK THE EASTERN EDGE TO THE AREA OF LAYERED CLOUDS. THE FIRST OF TWO AREAS OF CUMULONIMBUS /CB/... THUNDERSTORMS...IS ABOUT 65 MILES EITHER SIDE OF A LINE FROM 29N155W TO 20N163W. CB TOPS ARE BETWEEN 40000 TO 45000 FEET...WITH ITS EASTERN MOST EDGE GRAZING KAUAI COUNTY. THE ISLAND...NIIHAU... LOCATED JUST SOUTHWEST OF KAUAI...IS ABOUT TO EXPERIENCE PASSING HEAVY SHOWERS AND THUNDERSTORMS. THE SECOND AREA HAS DEEPER CONVECTION WITH CB TOPS TO 51000 FEET. IT LOCATED JUST TO THE SOUTH OF FIRST...FROM 20N163W TO 15N166W TO 12N170W. THE WIDTH OF THIS AREA IS ABOUT 100 MILES EITHER SIDE. A SEPARATE AREA OF DEEP CONVECTION LIES TO THE EAST OF THE SECOND AREA...BETWEEN 14N AND 10N...TO 160W. THIS MASS OF CLOUDS HAS STARTED ITS NORTHWARD PUSH TOWARDS THE MAIN HAWAIIAN ISLANDS. DENSE HIGH LEVEL CIRRUS CLOUDS IS JUST REACHING THE ISLANDS AS WELL. AN AREA OF SHOWER BEARING LOW CLOUDS...POSITIONED SOUTHEAST OF THE BIG ISLAND EARLIER IN THE EVENING...HAS REACH THE KAU COAST OF THE BIG ISLAND THIS HOUR...BRINGING A FEW SHOWERS TO THAT PART OF THE STATE. THE TOPS OF THESE SHOWERS ARE BETWEEN 10000 AND 15000 FEET. OTHER THAN THAT...REMAINING SMALLER ISLANDS...AND THE REST OF BIG ISLAND...HAVE BEEN PRETTY MUCH RAIN FREE. LOW CLOUD COVERAGE TO THE EAST AND NORTHEAST OF THE BIG ISLAND AND MAUI CONSIST OF SEVERAL POOLS OF CUMULUS CLOUDS CONTAINING A FEW SHOWERS. MORE UNSTABLE LOOKING SHOWER BEARING CLOUDS IS LOCATED ABOUT 370 MILES EAST SOUTHEAST OF THE BIG ISLAND. LOW LEVEL WIND FLOW IS MAINLY SOUTHEAST AND SOUTH ACROSS THE MAIN HAWAIIAN ISLANDS. THE SPEED RANGES FROM 15 TO 20 MPH OVER THE BIG ISLAND END TO 20 TO 25 MPH ELSEWHERE. LAST BUT NOT LEAST...THE AREA WEST OF THE UPPER TROUGH...WHICH INCLUDE MIDWAY ATOLL...IS ENJOYING FAIR WEATHER WITH STABLE...SHALLOW...STRATOCUMULUS CLOUDS PRESENT. $$ LAU +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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.