Pacific Hurricane Outlook & Discussion
Expires:No;;820856 ABPZ20 KNHC 272349 TWOEP TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 500 PM PDT WED AUG 27 2008 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART/FRANKLIN Expires:No;;825259 AXPZ20 KNHC 280308 TWDEP TROPICAL WEATHER DISCUSSION NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 0405 UTC THU AUG 28 2008 TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM THE EQUATOR TO 32N...EAST OF 140W. BASED ON 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH 0315 UTC. ...TROPICAL WAVES... TROPICAL WAVE IS OVER PANAMA ALONG 83W N OF 3N MOVING W 15 KT. THIS WAVE IS LOW AMPLITUDE AND HAS MOST OF ITS CONVECTION W OF THE WAVE AXIS. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS FROM 07N TO 11N BETWEEN 83W AND 86W. TROPICAL WAVE IS ALONG 98W N OF 07N MOVING W 15 KT. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS OVER S MEXICO FROM 15N-19N BETWEEN 93W AND 98W. MORE CONVECTION IS ALONG THE ITCZ WITH SCATTERED MODERATE CONVECTION FROM 07N TO 11N BETWEEN 94W AND 101W. ...ITCZ... ITCZ AXIS IS CENTERED ALONG 13N85W 11N100W 11N110W 14N118W 10N138W 09N140W. SCATTERED MODERATE CONVECTION IS FROM 07N TO 11N BETWEEN 87W AND 101W. SCATTERED MODERATE CONVECTION IS FROM 05N TO 08N BETWEEN 102W AND 105W...FROM 05N TO07N BETWEEN 111W AND 117W...AND FROM 8N TO 11N BETWEEN 127W AND 130W. ...DISCUSSION... N OF 20N... THE REMNANTS OF JULIO HAVE DISSIPATED OVER THE GULF OF CALIFORNIA AND NW MEXICO...THOUGH SOME OF ITS ASSOCIATED MOISTURE IS AFFECTING NW MEXICO...NEW MEXICO AND ARIZONA. SCATTERED SHOWERS AND TSTMS ARE NEAR THE COAST OF MEXICO FROM 20N-23N E OF 108W ENHANCED BY UPPER DIFFLUENCE AND LOW-LEVEL TROUGHING OVER MEXICO. A NEARLY STATIONARY UPPER HIGH IS CENTERED NEAR 24N116W. AT THE SFC...A 1026 MB HIGH CENTERED NEAR 37N140W CONTROLS THE PATTERN PRODUCING MODERATE NE TRADES. N WINDS ARE TO GALE FORCE N OF THE ZONE OFF THE N CALIFORNIA COAST DUE TO THE TIGHT PRESSURE GRADIENT BETWEEN THE HIGH AND LOW PRES OVER THE DESERT SW CONUS. WHILE THE CORE OF THE STRONGEST WINDS ARE N OF THE AREA... ASSOCIATED N SWELL IS PROPAGATING N OF 27N BETWEEN 120W AND 130W. S OF 20N... SWIFT ELY MID AND UPPER FLOW LIES OVER THE REGION E OF 115W ON THE S PERIPHERY OF A QUASI-STATIONARY UPPER HIGH CENTERED JUST W OF THE S PORTION OF THE GULF OF CALIFORNIA. THIS FLOW IS ADVECTING A CONSIDERABLE AMOUNT OF MOISTURE OVER THE TROPICS... THOUGH SIGNIFICANT CONVECTION IS FAIRLY LIMITED OUTSIDE OF THE TROPICAL WAVE ALONG 98W. A WEAK 1010 MB SFC LOW IS ANALYZED JUST N OF THE ITCZ NEAR 17N117W WITH NO SIGNIFICANT CONVECTION. THE SW SWELL EVENT WITH WAVE PERIODS OF 16-18 SECONDS HAVE REACHED THE COAST OF CENTRAL AMERICA/MEXICO AND SHOULD SUBSIDE TOMORROW AND FRI. $$ FORMOSA
Advisory
National Hurricane Center (Atlantic)
Active tropical cyclones in the Atlantic, Caribbean, and the Gulf of Mexico
Tropical Depression FAY Public Advisory Number 50-The NHC has issued its final advisory on this system. Public Advisories from the Hydrometeorological Prediction Center (www.hpc.ncep.noaa.gov) will provide updates as long as the system remains a flood threat. Issued at 1100 PM EDT WED AUG 27 2008
Tropical Storm GUSTAV Public Advisory Number 12-Issued at 1100 PM EDT WED AUG 27 2008
Tropical Storm GUSTAV Forecast/Advisory Number 12-Issued at 0300 UTC THU AUG 28 2008
Tropical Storm GUSTAV Forecast Discussion Number 12-Issued at 1100 PM EDT WED AUG 27 2008
Tropical Storm GUSTAV Wind Speed Probabilities Number 12-Issued at 0300 UTC THU AUG 28 2008
Tropical Storm GUSTAV Graphics-Issued at 300Z
Atlantic Tropical Weather Outlook- 000 ABNT20 KNHC 272348 TWOAT TROPICAL WEATHER OUTLOOK NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL 800 PM EDT WED AUG 27 2008 FOR THE NORTH ATLANTIC...CARIBBEAN SEA AND THE GULF OF MEXICO... THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM GUSTAV...LOCATED ABOUT 65 MILES SOUTH OF GUANTANAMO CUBA. THUNDERSTORM ACTIVITY HAS BECOME MORE CONCENTRATED THIS EVENING WITH THE LOW PRESSURE SYSTEM CENTERED ABOUT 375 MILES EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS. ENVIRONMENTAL CONDITIONS ARE EXPECTED TO BECOME MORE CONDUCIVE FOR A TROPICAL DEPRESSION TO FORM TONIGHT OR TOMORROW AS IT DRIFTS NORTHWESTWARD. A LARGE TROPICAL WAVE LOCATED OVER THE FAR EASTERN ATLANTIC ABOUT 650 MILES WEST OF THE CAPE VERDE ISLANDS CONTINUES TO PRODUCE DISORGANIZED SHOWER AND THUNDERSTORM ACTIVITY. SOME SLOW DEVELOPMENT OF THIS SYSTEM IS POSSIBLE OVER THE NEXT COUPLE OF DAYS AT IT MOVES WESTWARD AT 10 TO 15 MILES PER HOUR. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. $$ FORECASTER STEWART/FRANKLIN