Tropical Weather Discussion
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
000
AXPZ20 KNHC 222038
TWDEP

TROPICAL WEATHER DISCUSSION
NWS NATIONAL HURRICANE CENTER MIAMI FL
2205 UTC FRI AUG 22 2014

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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH
2100 UTC.

...SPECIAL FEATURES...

RECENTLY UPGRADED HURRICANE KARINA IS CENTERED NEAR 15.5N
135.2W AT 22/2100 UTC...ABOUT 1164 E OF HILO HAWAII...MOVING NE
OR 050 DEG AT 5 KT. ESTIMATED MINIMUM CENTRAL PRESSURE 989 MB.
MAXIMUM SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT. NUMEROUS
MODERATE AND SCATTERED STRONG CONVECTION IS WITHIN 60 NM OF
THE CENTER...EXCEPT 120 NM IN THE S QUADRANT. SEE LATEST NHC
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP1/WTPZ21
KNHC FOR MORE DETAILS.

TROPICAL STORM MARIE IS CENTERED NEAR 13.4N 103.5W AT 22/2100
UTC...ABOUT 339 NM S OF MANZANILLO MEXICO...MOVING WNW OR 285
DEG AT 12 KT. ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB.
MAXIMUM SUSTAINED WINDS 50 KT WITH GUSTS TO 65 KT. NUMEROUS
MODERATE AND SCATTERED STRONG CONVECTION IS WITHIN 240 NM IN
THE SE AND 300 NM IN THE NW SEMICIRCLES. SCATTERED MODERATE AND
ISOLATED STRONG CONVECTION IS N OF 12N BETWEEN 95W AND 100W...
AND ALSO FROM 08N TO 12N BETWEEN 97W AND 100W. SEE LATEST NHC
FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS MIATCMEP3/WTPZ23
KNHC FOR MORE DETAILS.

TROPICAL STORM LOWELL IS CENTERED NEAR 22.4N 124.7W AT 22/2100
UTC...ABOUT 821 NM W OF THE SOUTHERN TIP OF THE BAJA CALIFORNIA
PENINSULA...MOVING NW OR 310 DEG AT 8 KT. ESTIMATED MINIMUM
CENTRAL PRESSURE 993 MB. MAXIMUM SUSTAINED WINDS 50 KT WITH
GUSTS TO 60 KT. SCATTERED MODERATE AND ISOLATED STRONG
CONVECTION IS WITHIN 150 NM IN THE SE SEMICIRCLE. SCATTERED
MODERATE CONVECTION IS BETWEEN 120 AND 240 NM IN THE N QUADRANT.
SEE LATEST NHC FORECAST/ADVISORY UNDER AWIPS/WMO HEADERS
MIATCMEP2/WTPZ22 KNHC FOR MORE DETAILS.

...INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

THE MONSOON TROUGH AXIS EXTENDS FROM 07N77W TO 10N95W. NO
ITCZ AXIS IS PRESENT E OF 140W. SCATTERED MODERATE AND ISOLATED
STRONG CONVECTION IS WITHIN 210 NM S OF THE AXIS E OF 88W.
SCATTERED MODERATE CONVECTION IS WITHIN 150 NM EITHER SIDE OF
THE AXIS BETWEEN 90W AND 90W...WITHIN 150 NM SE OF A LINE FROM
09N108W TO 06N119W...AND WITHIN 120 NM NW OF A LINE FROM 14N112W
TO 06N117W.

...DISCUSSION...

A 1030 MB HIGH IS CENTERED WELL NW OF THE DISCUSSION WATERS NEAR
40N145W WITH A RIDGE EXTENDING SE TO THE SOUTHERN CALIFORNIA
COAST NEAR ORANGE COUNTY. THIS RIDGE CONTINUES TO SUPPORT MAINLY
MODERATE TO LOCALLY FRESH WINDS W OF 110W OUTSIDE OF THE
INFLUENCES OF KARINA AND LOWELL. THE PRES GRADIENT HAS TIGHTENED
OVER THE NW CORNER OF THE AREA AS LOWELL CONTINUES TO MOVE NW
AGAINST THE RIDGE...WITH FRESH TO STRONG NE WINDS DEVELOPING AND
SEAS BUILDING TO 10 FT IN THE FAR NW PORTION WELL AWAY FROM
LOWELL.

$$
LEWITSKY



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.