000
AXPZ20 KNHC 080248
TWDEP 

TROPICAL WEATHER DISCUSSION                                     
NWS NATIONAL HURRICANE CENTER MIAMI FL                         
0405 UTC THU OCT 08 2015

TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM  
THE EQUATOR TO 32N...EAST OF 140W. THE FOLLOWING INFORMATION IS 
BASED ON SATELLITE IMAGERY...WEATHER OBSERVATIONS...RADAR...AND 
METEOROLOGICAL ANALYSIS.

BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 
0230 UTC.               
 
...SPECIAL FEATURES... 
                                 
A LOW PRESSURE OF 1008 MB WAS CENTERED NEAR 08N122W. SCATTERED 
MODERATE CONVECTION ASSOCIATED TO THIS AREA OF LOW PRESSURE WAS 
NOTED FROM 07N TO 14N BETWEEN 118W AND 122W. THERE IS CURRENTLY 
A MEDIUM CHANCE THAT THIS LOW WILL DEVELOP INTO A TROPICAL 
CYCLONE IN THE NEXT 48 HOURS. SEE LATEST NHC TROPICAL WEATHER 
OUTLOOK UNDER AWIPS/WMO HEADERS MIATWOEP/ABPZ20 KNHC FOR MORE 
DETAILS.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... 
           
THE MONSOON TROUGH EXTENDS FROM 09N84W TO 10N104W TO 08N122W. 
THE ITCZ EXTENDS FROM 07N126W TO 09N135W TO 08N140W. SCATTERED 
MODERATE ISOLATED STRONG CONVECTION WAS NOTED WITHIN 120 NM N OF 
TROUGH BETWEEN 95W AND 103W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION WAS NOTED WITHIN 180 NM S OF ITCZ W OF 132W. 

...DISCUSSION... 
                                            
HIGH PRESSURE OF 1021 MB CENTERED N OF THE AREA NEAR 36N126W 
EXTENDS A RIDGE SE TO NEAR 21N110W. HURRICANE OHO WAS LOCATED W 
OF THE FORECAST AREA NEAR 29N144W AT 0300 UTC AND MOVING RAPIDLY 
NNE. WINDS AND SEAS ASSOCIATED TO OHO HAVE STARTED TO AFFECT THE 
FAR NW WATERS...WITH WINDS REACHING NEAR 30 KT OVER THE FAR W 
WATERS. OHO WILL PASS JUST NW OF THE AREA OVERNIGHT. THIS WILL 
BRING WINDS TO JUST BELOW TROPICAL STORM FORCE OVER THE FAR NW 
WATERS WITH SEAS REACHING NEAR 20 FT DURING THE OVERNIGHT HOURS. 
AS OHO CONTINUES TO SHIFT FURTHER N OF THE AREA ASSOCIATED WINDS 
AND SEAS WILL IMPROVE. BY FRI EVENING WINDS OVER THE NW WATERS 
WILL DIMINISH TO 20 KT OR LESS WITH SEAS TO 8 FT COVERING THE 
AREA N OF 27N BETWEEN 132W AND 137W.

GAP WINDS...                                                 
GULF OF TEHUANTEPEC...WINDS OF 20 TO 25 KT CONTINUE TO FUNNEL 
INTO THE GULF OF TEHUANTEPEC. WINDS WILL DIMINISH TO 20 KT OR 
LESS WITH SEAS LESS THAN 8 FT BY THU AFTERNOON.

$$
AL