From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Thu Sep 23 20:02:33 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 o8NC2W7x025318 for ; Thu, 23 Sep 2010 20:02:32 +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 o8N3LhEh028356; Thu, 23 Sep 2010 07:02:18 -0500 (CDT) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 3549524 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Thu, 23 Sep 2010 07:02:18 -0500 Received: from relay01.cites.uiuc.edu (relay01.cites.uiuc.edu [128.174.4.23]) by vacuum.cso.uiuc.edu (8.14.2/8.14.2) with ESMTP id o8NC2H1l028669 for ; Thu, 23 Sep 2010 07:02:18 -0500 (CDT) Received: from weather3.admin.niu.edu (weather3.admin.niu.edu [131.156.8.48]) by relay01.cites.uiuc.edu (8.14.4/8.14.2) with ESMTP id o8NC2BhZ015745 for ; Thu, 23 Sep 2010 07:02:17 -0500 (CDT) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id EBAEE405001E; Thu, 23 Sep 2010 07:02:10 -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-1009230060 X-Spam-OrigSender: ldm@weather3.admin.niu.edu X-Spam-Bar: Message-ID: <20100923120210.EBAEE405001E@weather3.admin.niu.edu> Date: Thu, 23 Sep 2010 07:02:10 -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 460 ATHW40 PHFO 231202 SIMHI HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 1230 UTC THU SEP 23 2010 BASED ON DATA THROUGH 1200 UTC SEPTEMBER 23 2010 WATER VAPOR IMAGES SHOWED A COMPACT CENTER OF LOW PRESSURE IN THE UPPER ATMOSPHERE NEAR 23N 172W. THIN HIGH CLOUD LAYERS WRAPPING AROUND THE LOW PARTLY OBSCURED LOWER FEATURES. TO THE SOUTH...LIGHT TO MODERATE THUNDERSTORM ACTIVITY CONTINUED IN THE ITCZ BETWEEN 15N AND 07N. LAYERED MIDDLE TO HIGH DEBRIS CLOUDS FROM THIS AND EARLIER CONVECTION MOSTLY TO PARTLY OBSCURED LOWER FEATURES FROM 19N TO 05N. A CENTER OR TROUGH OF LOW PRESSURE WAS EMBEDDED WITHIN THE ITCZ ABOUT 515 MILES SOUTH OF OAHU. THE LOW-LEVEL CLOUDS ASSOCIATED WITH THIS FEATURE STILL SHOWED SOME ORGANIZATION...AND ITS THUNDERSTORM ACTIVITY MOVED CLOSER TO THE CENTER OF THE LOW CLOUD MOTION OVER THE PAST SIX HOURS...SUGGESTING MODEST STRENGTHENING. THIS FEATURE MOVED WEST AT AROUND 10 MILES AN HOUR. OTHERWISE...CLOUD COVER ACROSS HAWAIIAN WATERS CONSISTED MAINLY OF MARINE STRATOCUMULI AND CUMULI ORGANIZED INTO LOOSE CLUMPS OR BANDS UP TO ABOUT 700 MILES ACROSS...THOUGH INDIVIDUAL SMALL CUMULI ALSO APPEARED THROUGHOUT. THESE CLOUDS HAD INCREASED IN AREAL COVERAGE WITH TIME OVER THE PAST SIX HOURS. THEY GENERALLY ROSE TO HEIGHTS OF 6000 TO 10000 FEET...AND MOVED TOWARD THE SOUTHWEST TO WEST AT AROUND 15 MILES AN HOUR. ACROSS THE MAIN HAWAIIAN ISLANDS...CLOUD COVER CONSISTED MOSTLY OF MARINE CUMULI AND STRATOCUMULI MOVING ASHORE ALONG SLOPES FACING NORTHEAST THROUGH EAST. REMNANTS OF LAYERED DEBRIS CLOUDS FROM AFTERNOON CUMULUS BUILDUPS HAD DISSIPATED FOR THE MOST PART. THESE CLOUDS GENERALLY ROSE TO HEIGHTS OF 4000 FEET TO 6000 FEET. RADAR DATA FROM NEAR THE ISLANDS SHOWED SCATTERED SHOWERS IN ISLAND LEE PLUME CLOUDS OFFSHORE WELL TO THE SOUTHWEST OF KAUAI...OAHU...AND MAUI COUNTY...BUT ISOLATED SHOWERS AT MOST ELSEWHERE. $$ RYSHKO +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 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.