From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Tue Sep 14 02:26:57 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 o8DIQtq6001136 for ; Tue, 14 Sep 2010 02:26:56 +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 o8DF11CT028286; Mon, 13 Sep 2010 13:26:40 -0500 (CDT) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 3366005 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Mon, 13 Sep 2010 13:26:39 -0500 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 o8DIQdhL023213 for ; Mon, 13 Sep 2010 13:26:39 -0500 (CDT) 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 o8DIQWD8019511 for ; Mon, 13 Sep 2010 13:26:38 -0500 (CDT) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id 7A2A7405001E; Mon, 13 Sep 2010 13:26:32 -0500 (CDT) X-Spam-Score: 0 X-Spam-Details: rule=no-quarantine_notspam policy=no-quarantine score=0 spamscore=0 ipscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=5.0.0-1005130000 definitions=main-1009130104 X-Spam-OrigSender: ldm@weather3.admin.niu.edu X-Spam-Bar: Message-ID: <20100913182632.7A2A7405001E@weather3.admin.niu.edu> Date: Mon, 13 Sep 2010 13:26:32 -0500 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 322 ATHW40 PHFO 131826 SIMHI HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 1830 UTC MON SEP 13 2010 BASED ON DATA THROUGH 1800 UTC SEPTEMBER 13 2010 SURFACE HIGH PRESSURE CENTERED JUST NORTH OF 30N IS PRODUCING A RATHER DRY TRADE WIND FLOW OVER MOST OF THE AREA...WHILE AN UPPER LEVEL LOW CENTERED NEAR MIDWAY ATOLL IS PRODUCING INSTABILITY WEST OF MAIN HAWAIIAN ISLANDS. A MIX OF SCATTERED TO BROKEN STRATOCUMULUS AND CUMULUS CLOUDS IS MOVING ALONG THE TRADE WIND FLOW NEAR THE ISLANDS...WHILE INDIVIDUAL LOW CLOUDS AROUND THE STATE ARE MOVING FROM THE EAST AT 15 TO 20 MPH. LOW CLOUD COVER IS GREATEST OVER WATERS ADJACENT TO WINDWARD BIG ISLAND AND MAUI THIS MORNING...THOUGH LOW CLOUD COVER IS CONFINED TO WINDWARD PORTIONS OF ALL ISLANDS. SKIES OVER NEARLY ALL LEEWARD AREAS ARE MOSTLY CLEAR. STRONG HIGH PRESSURE ALOFT CENTERED NEAR 24N140W IS PRODUCING STRONG SUBSIDENCE OVER AND EAST OF MAUI AND A VAST EXPANSE EAST OF THE STATE. PRECIPITABLE WATER VALUES IN THIS AREA ARE RUNNING AROUND 1.1 INCHES...WHICH IS ROUGHLY 80 PERCENT OF NORMAL FOR SEPTEMBER. AN UPPER LEVEL LOW CENTERED 600 MILES NORTHWEST OF KAUAI NEAR 27N168W IS GENERATING INSTABILITY WEST OF THE MAIN HAWAIIAN ISLANDS. THIS FEATURE IS DRIFTING WEST AND IS PRODUCING A WEAK SURFACE TROUGH...ROUGHLY ALONG 30N162W...26N167W...AND 21N173W. ISOLATED THUNDERSTORMS RISE AS HIGH AS 42 KFT WITHIN 175 MILES OF THE TROUGH N OF 26N AND 100 MILES OF THE TROUGH S OF 26N. BROKEN HIGH CLOUDS ALONG THE EASTERN FLANK OF THE UPPER LOW HAVE THINNED SUBSTANTIALLY IN THE PAST 12 HOURS AND ARE NOW CONFINED TO A SMALL SHIELD NORTH OF KAUAI AND OAHU BETWEEN 29N AND 23N FROM 159W TO 155W. TO THE SOUTH OF THE STATE...THE ITCZ REMAINS NORTH OF 10N...THOUGH THUNDERSTORM COVERAGE HAS DECLINED SUBSTANTIALLY IN THE PAST SIX HOURS. THE AREA EAST OF 160W HAS BECOME DEVOID OF THUNDERSTORMS... WHILE ISOLATED THUNDERSTORMS RISING TO 49 KFT ARE FOUND BETWEEN 14N AND 08N WEST OF 160W. $$ DWROE +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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.