From owner-wx-tropl@LISTSERV.ILLINOIS.EDU Fri Sep 17 20:16:37 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 o8HCGZt9010493 for ; Fri, 17 Sep 2010 20:16:36 +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 o8GKla8I000585; Fri, 17 Sep 2010 07:16:16 -0500 (CDT) Received: by LISTSERV.ILLINOIS.EDU (LISTSERV-TCP/IP release 14.5) with spool id 3443254 for WX-TROPL@LISTSERV.ILLINOIS.EDU; Fri, 17 Sep 2010 07:16:16 -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 o8HCGF59018957 for ; Fri, 17 Sep 2010 07:16:15 -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 o8HCG9Ax017686 for ; Fri, 17 Sep 2010 07:16:15 -0500 (CDT) Received: by weather3.admin.niu.edu (Postfix, from userid 501) id 02E26405001E; Fri, 17 Sep 2010 07:16:08 -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-1009170051 X-Spam-OrigSender: ldm@weather3.admin.niu.edu X-Spam-Bar: Message-ID: <20100917121609.02E26405001E@weather3.admin.niu.edu> Date: Fri, 17 Sep 2010 07:16:08 -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 362 ATHW40 PHFO 171216 SIMHI HAWAIIAN ISLANDS SATELLITE INTERPRETATION MESSAGE NWS CENTRAL PACIFIC HURRICANE CENTER HONOLULU HI 1230 UTC FRI SEP 17 2010 BASED ON DATA THROUGH 1200 UTC SEPTEMBER 17 2010 TO THE NORTHWEST...CLOUD LAYERS ASSOCIATED WITH A FRONT SHEARED APART JUST NORTHWEST OF MIDWAY ISLAND. TO THE WEST...WATER VAPOR IMAGES SHOWED A COMPACT CENTER OF LOW PRESSURE IN THE UPPER ATMOSPHERE NEAR 20N 180. ISOLATED THUNDERSTORMS AND TOWERING CUMULI ORBITED WITHIN ABOUT 250 MILES OF THE LOW CENTER...PRODUCING LIMITED QUANTITIES OF LAYERED HIGH TO MIDDLE DEBRIS CLOUDS WITHIN THAT AREA AS WELL. TO THE SOUTH...MODERATE THUNDERSTORM ACTIVITY CONTINUED IN THE ITCZ BETWEEN 13N AND 06N. LAYERED MIDDLE TO HIGH DEBRIS CLOUDS FROM THIS AND EARLIER CONVECTION OBSCURED LOWER FEATURES MOSTLY FROM 14N TO 05N...AND PARTLY FROM 17N TO THE EQUATOR. OTHERWISE...CLOUD COVER ACROSS HAWAIIAN WATERS CONSISTED MAINLY OF MARINE STRATOCUMULI BETWEEN THE ITCZ AND THE CURVE FROM 23N 180 TO 28N 167W TO 21N 146W TO 22N 140W...THOUGH CLOUD COVER FURTHER NORTH DID FILL IN SOMEWHAT OVER THE PAST SIX HOURS. INDIVIDUAL SMALL CUMULI WERE PRESENT THROUGHOUT THE AREA AS WELL. THESE CLOUDS HAD INCREASED IN AREAL COVERAGE...MERGING INTO LARGE CLUMPS AND AREAS OF NEARLY SOLID STRATUS OVERCAST...ESPECIALLY ALONG 20N. THESE CLOUDS GENERALLY ROSE TO HEIGHTS OF 6000 TO 9000 FEET...AND MOVED TOWARD THE WEST AT 15 TO 20 MILES AN HOUR...THOUGH CLOSE TO THE FRONTAL CLOUD BAND...THEY SLOWED...TURNING AROUND TOWARD THE NORTHWEST... NORTH...AND THEN THE NORTHEAST. ACROSS THE MAIN HAWAIIAN ISLANDS...CLOUD COVER CONSISTED MOSTLY OF MARINE CUMULI AND STRATOCUMULI MOVING ASHORE ALONG SLOPES FACING EAST. LAYERED DEBRIS CLOUDS FROM AFTERNOON CUMULUS BUILDUPS INLAND ON THURSDAY HAD DISSIPATED FOR THE MOST PART...THOUGH SOME STILL LANGUISHED IN PLACES...ESPECIALLY ALONG LOWER WEST SLOPES OF THE BIG ISLAND. THESE CLOUDS GENERALLY ROSE TO HEIGHTS OF 6000 TO 7000 FEET. RADAR DATA FROM NEAR THE ISLANDS SHOWED SCATTERED SHOWERS OFFSHORE TO THE NORTH THROUGH NORTHEAST OF OAHU...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.