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Hurricane Polo 2014

Date Time Type Wind Pressure
UTC knots km/h mph mb
Sep 2618:00L231007
Sep 2612:00L231007
Sep 2606:00L231007
Sep 2600:00L231007
Sep 2518:00L231007
Sep 2512:00L231007
Sep 2506:00L231007
Sep 2500:00L231007
Sep 2418:00L231007
Sep 2412:00L231007
Sep 2406:00L231007
Sep 2400:00L231007
Sep 2318:00L231007
Sep 2312:00L291007
Sep 2306:00L291007
Sep 2300:00L291007
Sep 2218:00L291006
Sep 2212:00L291005
Sep 2206:00D351004
Sep 2200:00S401003
Sep 2118:00S461003
Sep 2112:00S461003
Sep 2106:00S401003
Sep 2100:00S401003
Sep 2018:00S461002
Sep 2012:00S521000
Sep 2006:00S58995
Sep 2000:00S63990
Sep 1918:00S69987
Sep 1912:00S69985
Sep 1906:00S69983
Sep 1900:00S69982
Sep 1818:00S69981
Sep 1812:00H175980
Sep 1806:00H175979
Sep 1800:00H175979
Sep 1718:00S69986
Sep 1712:00S58994
Sep 1706:00S52998
Sep 1700:00S521000
Sep 1618:00S521003
Sep 1612:00S461005
Sep 1606:00S461006
Sep 1600:00S401007

Hurricane Polo 2014

Last Modified:

Satellite images and tracking maps of Category 1 Hurricane Polo 2014, September 16 - 26. Max wind speed 75mph.

Polo has been absent of any organized deep convection for more than 12 hours. Although a few sporadic showers have developed since 09:00 UTC over the western half of the circulation, strong east-southeasterly shear and unfavorable thermodynamic factors should inhibit any significant return of deep convection. Based on the lack of deep convection for some time, the cyclone is being declared a post-tropical remnant low on this advisory. The initial wind speed estimate presumes some spin-down of the vortex since late yesterday and is lowered to 25 knots on this advisory. Global models shows Polo degenerating into an open trough by 48 hours, and so does the official forecast.

Polo has been moving west-southwestward or 250/07. The now-shallow vortex is expected to turn southwestward or south-southwestward on the eastern periphery of a low-level ridge over the subtropical eastern Pacific prior to dissipation. The track forecast is left of much of the guidance, including the multi-model consensus, given the already greater southerly component of motion.

For additional information on the remnant low of Polo please see High Seas Forecasts issued by the National Weather Service...under AWIPS header NFDHSFEPI and WMO header FZPN01 KWBC.

Information provided by NHC.