• Eastern Pacific Tropical Weather Outlook posted 4:35 p.m. Sunday, May 19, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:34 a.m. Sunday, May 19, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:34 a.m. Sunday, May 19, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:44 p.m. Saturday, May 18, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:27 p.m. Saturday, May 18, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:33 a.m. Saturday, May 18, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:38 a.m. Saturday, May 18, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:00 p.m. Friday, May 17, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:53 p.m. Friday, May 17, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:39 a.m. Friday, May 17, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:23 a.m. Friday, May 17, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:01 p.m. Thursday, May 16, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:35 p.m. Thursday, May 16, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:34 a.m. Thursday, May 16, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:42 a.m. Thursday, May 16, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:11 p.m. Wednesday, May 15, 2013
• Eastern Pacific Tropical Weather Outlook posted 10:41 a.m. Wednesday, May 15, 2013
• Eastern Pacific Tropical Weather Outlook posted 4:22 a.m. Wednesday, May 15, 2013

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 192335
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT SUN MAY 19 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE REMNANTS OF ALVIN ARE LOCATED ABOUT 1050 MILES SOUTHWEST OF THE
SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA. SHOWER AND
THUNDERSTORM ACTIVITY IS LIMITED AND CONFINED TO THE EAST OF THE
CENTER DUE TO STRONG UPPER-LEVEL WINDS. ENVIRONMENTAL CONDITIONS
ARE EXPECTED TO REMAIN UNFAVORABLE FOR DEVELOPMENT...AND THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT
AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER CANGIALOSI

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 191734
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT SUN MAY 19 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE REMNANTS OF ALVIN ARE LOCATED ABOUT 1000 MILES SOUTHWEST OF THE
SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA. THE REMAINING SHOWER
AND THUNDERSTORM ACTIVITY HAS CONTINUED TO BECOME LESS ORGANIZED
OVER THE PAST FEW HOURS DUE TO STRONG UPPER-LEVEL WINDS...AND
CONDITIONS ARE EXPECTED TO REMAIN UNFAVORABLE FOR DEVELOPMENT. THIS
SYSTEM HAS A LOW CHANCE...10 PERCENT...OF BECOMING A TROPICAL
CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT
AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER BRENNAN

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 191134
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT SUN MAY 19 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE REMNANTS OF ALVIN ARE LOCATED ABOUT 900 MILES SOUTHWEST OF THE
SOUTHERN TIP OF THE BAJA CALIFORNIA PENINSULA. ASSOCIATED SHOWER
AND THUNDERSTORM ACTIVITY HAS BECOME LESS ORGANIZED OVER THE LAST
FEW HOURS DUE TO STRONG UPPER-LEVEL WINDS...AND THESE WINDS ARE
EXPECTED TO REMAIN UNFAVORABLE FOR SIGNIFICANT DEVELOPMENT. THIS
SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL
CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT
AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER BRENNAN

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 190544
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT SAT MAY 18 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...IS
LOCATED ABOUT 900 MILES SOUTHWEST OF THE SOUTHERN TIP OF BAJA
CALIFORNIA MEXICO. SHOWERS AND THUNDERSTORMS REMAIN DISORGANIZED...
AND ANY DEVELOPMENT OF THIS LOW IS EXPECTED TO BE LIMITED DUE TO
UPPER-LEVEL WINDS BECOMING INCREASINGLY UNFAVORABLE DURING THE NEXT
24 HOURS. THIS SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF
BECOMING A TROPICAL CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT
MOVES GENERALLY WESTWARD AT 10 TO 15 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER STEWART

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 182327
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT SAT MAY 18 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...IS
LOCATED ABOUT 900 MILES SOUTH-SOUTHWEST OF THE SOUTHERN TIP OF BAJA
CALIFORNIA MEXICO. ALTHOUGH SATELLITE DATA INDICATE THE LOW-LEVEL
CIRCULATION CONTINUES TO BE WELL-DEFINED...SHOWER AND THUNDERSTORM
ACTIVITY REMAINS DISORGANIZED. ANY DEVELOPMENT OF THIS LOW IS
EXPECTED TO BE LIMITED DUE TO UNFAVORABLE UPPER-LEVEL WINDS. THIS
SYSTEM HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL
CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD AT
10 TO 15 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER STEWART

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 181733
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT SAT MAY 18 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...IS
LOCATED ABOUT 950 MILES WEST-SOUTHWEST OF MANZANILLO MEXICO.
ALTHOUGH THE ASSOCIATED SHOWER AND THUNDERSTORM ACTIVITY HAS
PERSISTED TO THE EAST OF THE CENTER THIS MORNING...ANY ADDITIONAL
DEVELOPMENT OF THIS LOW IS EXPECTED TO BE LIMITED AS UPPER-LEVEL
WINDS BECOME LESS FAVORABLE TONIGHT. THIS SYSTEM HAS A MEDIUM
CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE AGAIN DURING
THE NEXT 48 HOURS AS IT MOVES WESTWARD AT AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER CANGIALOSI

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 181137
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT SAT MAY 18 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...IS
LOCATED ABOUT 900 MILES WEST-SOUTHWEST OF MANZANILLO MEXICO. WHILE
SHOWER AND THUNDERSTORM ACTIVITY HAS INCREASED NEAR THE CENTER OF
CIRCULATION DURING THE PAST FEW HOURS...UPPER-LEVEL WINDS ARE
EXPECTED TO REMAIN UNFAVORABLE FOR SIGNIFICANT DEVELOPMENT. THIS
SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL
CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES WESTWARD OR
WEST-NORTHWESTWARD AT AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER BRENNAN

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 180500
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT FRI MAY 17 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...
CONTINUES ABOUT 850 MILES SOUTHWEST OF MANZANILLO MEXICO. ALTHOUGH
SATELLITE DATA SUGGEST THAT THE LOW-LEVEL CIRCULATION OF THE LOW IS
WELL DEFINED...SHOWER AND THUNDERSTORM ACTIVITY REMAINS
DISORGANIZED. STRONG UPPER-LEVEL WESTERLY WINDS ARE EXPECTED TO
INHIBIT ANY SIGNIFICANT DEVELOPMENT...AND THIS SYSTEM HAS A LOW
CHANCE...20 PERCENT...OF BECOMING A TROPICAL CYCLONE AGAIN DURING
THE NEXT 48 HOURS AS IT MOVES GENERALLY WESTWARD AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER KIMBERLAIN

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 172352
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT FRI MAY 17 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

AN AREA OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...
IS LOCATED ABOUT 800 MILES SOUTHWEST OF MANZANILLO MEXICO. ALTHOUGH
THIS SYSTEM CONTINUES TO PRODUCE A LARGE AREA OF DISORGANIZED
SHOWER AND THUNDERSTORM ACTIVITY...STRONG UPPER-LEVEL WESTERLY
WINDS ARE EXPECTED TO INHIBIT ANY SIGNIFICANT DEVELOPMENT. THIS
SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A TROPICAL
CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES WEST-
NORTHWESTWARD AROUND 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER KIMBERLAIN

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 171738
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT FRI MAY 17 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

A TROUGH OF LOW PRESSURE...ASSOCIATED WITH THE REMNANTS OF ALVIN...
CONTINUES TO PRODUCE SHOWER AND THUNDERSTORM ACTIVITY WELL
SOUTHWEST OF MAINLAND MEXICO. ALTHOUGH THIS SYSTEM APPEARS TO HAVE
GAINED SOME ORGANIZATION DURING THE MORNING...SIGNIFICANT
REDEVELOPMENT DOES NOT APPEAR LIKELY DUE TO STRONG UPPER-LEVEL
WINDS. THIS SYSTEM HAS A LOW CHANCE...20 PERCENT...OF BECOMING A
TROPICAL CYCLONE AGAIN DURING THE NEXT 48 HOURS AS IT MOVES
WESTWARD AT 5 TO 10 MPH.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER BERG

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 171122
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT FRI MAY 17 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER HAS ISSUED THE LAST ADVISORY ON
TROPICAL STORM ALVIN...WHICH HAS BECOME A TROUGH OF LOW PRESSURE
LOCATED WELL SOUTH OF MAINLAND MEXICO.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING
THE NEXT 48 HOURS.

$$
FORECASTER BROWN

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 170501
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT THU MAY 16 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM ALVIN...LOCATED WELL SOUTH OF MAINLAND MEXICO.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER BLAKE

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 162335
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT THU MAY 16 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM ALVIN...LOCATED WELL SOUTH OF MAINLAND MEXICO.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER STEWART

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 161734
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT THU MAY 16 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM ALVIN...LOCATED FAR TO THE SOUTH OF MAINLAND MEXICO.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

$$
FORECASTER BERG

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 161142
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT THU MAY 16 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM ALVIN...LOCATED FAR TO THE SOUTH OF MAINLAND MEXICO.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

&&
PUBLIC ADVISORIES ON TROPICAL STORM ALVIN ARE ISSUED UNDER WMO
HEADER WTPZ31 KNHC AND UNDER AWIPS HEADER MIATCPEP1. FORECAST/
ADVISORIES ARE ISSUED UNDER WMO HEADER WTPZ21 KNHC AND UNDER AWIPS
HEADER MIATCMEP1.

$$
FORECASTER BERG

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 160511
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 PM PDT WED MAY 15 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL
STORM ALVIN...LOCATED SEVERAL HUNDRED MILES SOUTH-SOUTHWEST OF
ACAPULCO MEXICO.

ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE
NEXT 48 HOURS.

&&
PUBLIC ADVISORIES ON TROPICAL STORM ALVIN ARE ISSUED UNDER WMO
HEADER WTPZ31 KNHC AND UNDER AWIPS HEADER MIATCPEP1. FORECAST/
ADVISORIES ARE ISSUED UNDER WMO HEADER WTPZ21 KNHC AND UNDER AWIPS
HEADER MIATCMEP1.

$$
FORECASTER BLAKE

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 151741
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
1100 AM PDT WED MAY 15 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

THE NATIONAL HURRICANE CENTER HAS INITIATED ADVISORIES ON TROPICAL
DEPRESSION ONE-E...LOCATED SEVERAL HUNDRED MILES SOUTH-SOUTHWEST OF
ACAPULCO MEXICO.

TODAY MARKS THE FIRST DAY OF THE EASTERN NORTH PACIFIC HURRICANE
SEASON...WHICH WILL RUN UNTIL NOVEMBER 30. LONG-TERM AVERAGES FOR
THE NUMBER OF NAMED STORMS...HURRICANES...AND MAJOR HURRICANES ARE
15...8...AND 4...RESPECTIVELY.

THE LIST OF NAMES FOR 2013 IS AS FOLLOWS:

NAME PRONUNCIATION NAME PRONUNCIATION
-------------------------------------------------------------
ALVIN AL- VIN MANUEL MAHN WELL-
BARBARA BAR- BRUH NARDA NAHR- DUH
COSME COS- MAY OCTAVE AHK- TAYV
DALILA DAH LY- LAH PRISCILLA PRIH SIH- LUH
ERICK EHR- IK RAYMOND RAY- MUND
FLOSSIE FLOSS- EE SONIA SOHN- YAH
GIL GIL TICO TEE- KOH
HENRIETTE HEN REE ETT- VELMA VELL- MUH
IVO EYE VOH- WALLIS WAHL- LIS
JULIETTE JEW LEE EHT- XINA ZEE- NAH
KIKO KEE- KO YORK YORK
LORENA LOW RAY- NA ZELDA ZEL- DAH

THIS PRODUCT...THE TROPICAL WEATHER OUTLOOK...BRIEFLY DESCRIBES
SIGNIFICANT AREAS OF DISTURBED WEATHER AND THEIR POTENTIAL FOR
TROPICAL CYCLONE FORMATION DURING THE NEXT 48 HOURS. THE ISSUANCE
TIMES OF THIS PRODUCT ARE 5 AM...11 AM...5 PM...AND 11 PM PDT.
AFTER THE CHANGE TO STANDARD TIME IN NOVEMBER...THE ISSUANCE TIMES
ARE 4 AM...10 AM...4 PM...AND 10 PM PST.

A SPECIAL TROPICAL WEATHER OUTLOOK WILL BE ISSUED TO PROVIDE
UPDATES...AS NECESSARY...IN BETWEEN THE REGULARLY SCHEDULED
ISSUANCES OF THE TROPICAL WEATHER OUTLOOK. SPECIAL TROPICAL WEATHER
OUTLOOKS WILL BE ISSUED UNDER THE SAME WMO AND AWIPS HEADERS AS THE
REGULAR TROPICAL WEATHER OUTLOOKS.

A STANDARD PACKAGE OF PRODUCTS...CONSISTING OF THE TROPICAL CYCLONE
PUBLIC ADVISORY...THE FORECAST/ADVISORY...THE CYCLONE DISCUSSION...
AND A WIND SPEED PROBABILITY PRODUCT...IS ISSUED EVERY SIX HOURS
FOR ALL ONGOING TROPICAL CYCLONES. IN ADDITION...A SPECIAL
ADVISORY PACKAGE MAY BE ISSUED AT ANY TIME TO ADVISE OF SIGNIFICANT
UNEXPECTED CHANGES OR TO MODIFY WATCHES OR WARNINGS.

THE TROPICAL CYCLONE UPDATE IS A BRIEF STATEMENT TO INFORM OF
SIGNIFICANT CHANGES IN A TROPICAL CYCLONE OR TO POST OR CANCEL
WATCHES OR WARNINGS. THE TROPICAL CYCLONE UPDATE IS USED IN LIEU
OF OR TO PRECEDE THE ISSUANCE OF A SPECIAL ADVISORY PACKAGE.
TROPICAL CYCLONE UPDATES...WHICH CAN BE ISSUED AT ANY TIME...CAN
BE FOUND UNDER WMO HEADER WTPZ61-65 KNHC...AND UNDER AWIPS HEADER
MIATCUEP1-5.

ALL NATIONAL HURRICANE CENTER TEXT AND GRAPHICAL PRODUCTS ARE
AVAILABLE ON THE WEB AT WWW.HURRICANES.GOV. NHC IS ALSO ON
FACEBOOK AT WWW.FACEBOOK.COM/US.NOAA.NATIONALHURRICANECENTER.GOV.
NOTIFICATIONS ARE AVAILABLE VIA TWITTER WHEN SELECT NATIONAL
HURRICANE CENTER PRODUCTS ARE ISSUED. INFORMATION ABOUT OUR EAST
PACIFIC TWITTER FEED IS AVAILABLE AT
WWW.HURRICANES.GOV/TWITTER.SHTML.

&&
PUBLIC ADVISORIES ON TROPICAL DEPRESSION ONE-E ARE ISSUED UNDER WMO
HEADER WTPZ31 KNHC AND UNDER AWIPS HEADER MIATCPEP1. FORECAST/
ADVISORIES ARE ISSUED UNDER WMO HEADER WTPZ21 KNHC AND UNDER AWIPS
HEADER MIATCMEP1.

$$
FORECASTER BERG

Eastern Pacific Tropical Weather Outlook

000
ABPZ20 KNHC 151122
TWOEP

TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 AM PDT WED MAY 15 2013

FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE..

SHOWERS AND THUNDERSTORMS ASSOCIATED WITH A LOW PRESSURE SYSTEM
LOCATED ABOUT 625 MILES SOUTH-SOUTHWEST OF ACAPULCO MEXICO HAVE
BECOME MORE ORGANIZED OVERNIGHT...AND IT APPEARS THAT A TROPICAL
DEPRESSION COULD BE FORMING. IF THIS TREND CONTINUES...ADVISORIES
COULD BE INITIATED LATER TODAY. THIS SYSTEM HAS A HIGH CHANCE...80
PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS.

TODAY MARKS THE FIRST DAY OF THE EASTERN NORTH PACIFIC HURRICANE
SEASON...WHICH WILL RUN UNTIL NOVEMBER 30. LONG-TERM AVERAGES FOR
THE NUMBER OF NAMED STORMS...HURRICANES...AND MAJOR HURRICANES ARE
15...8...AND 4...RESPECTIVELY.

THE LIST OF NAMES FOR 2013 IS AS FOLLOWS:

NAME PRONUNCIATION NAME PRONUNCIATION
-------------------------------------------------------------
ALVIN AL- VIN MANUEL MAHN WELL-
BARBARA BAR- BRUH NARDA NAHR- DUH
COSME COS- MAY OCTAVE AHK- TAYV
DALILA DAH LY- LAH PRISCILLA PRIH SIH- LUH
ERICK EHR- IK RAYMOND RAY- MUND
FLOSSIE FLOSS- EE SONIA SOHN- YAH
GIL GIL TICO TEE- KOH
HENRIETTE HEN REE ETT- VELMA VELL- MUH
IVO EYE VOH- WALLIS WAHL- LIS
JULIETTE JEW LEE EHT- XINA ZEE- NAH
KIKO KEE- KO YORK YORK
LORENA LOW RAY- NA ZELDA ZEL- DAH

THIS PRODUCT...THE TROPICAL WEATHER OUTLOOK...BRIEFLY DESCRIBES
SIGNIFICANT AREAS OF DISTURBED WEATHER AND THEIR POTENTIAL FOR
TROPICAL CYCLONE FORMATION DURING THE NEXT 48 HOURS. THE ISSUANCE
TIMES OF THIS PRODUCT ARE 5 AM...11 AM...5 PM...AND 11 PM PDT.
AFTER THE CHANGE TO STANDARD TIME IN NOVEMBER...THE ISSUANCE TIMES
ARE 4 AM...10 AM...4 PM...AND 10 PM PST.

A SPECIAL TROPICAL WEATHER OUTLOOK WILL BE ISSUED TO PROVIDE
UPDATES...AS NECESSARY...IN BETWEEN THE REGULARLY SCHEDULED
ISSUANCES OF THE TROPICAL WEATHER OUTLOOK. SPECIAL TROPICAL WEATHER
OUTLOOKS WILL BE ISSUED UNDER THE SAME WMO AND AWIPS HEADERS AS THE
REGULAR TROPICAL WEATHER OUTLOOKS.

A STANDARD PACKAGE OF PRODUCTS...CONSISTING OF THE TROPICAL CYCLONE
PUBLIC ADVISORY...THE FORECAST/ADVISORY...THE CYCLONE DISCUSSION...
AND A WIND SPEED PROBABILITY PRODUCT...IS ISSUED EVERY SIX HOURS
FOR ALL ONGOING TROPICAL CYCLONES. IN ADDITION...A SPECIAL
ADVISORY PACKAGE MAY BE ISSUED AT ANY TIME TO ADVISE OF SIGNIFICANT
UNEXPECTED CHANGES OR TO MODIFY WATCHES OR WARNINGS.

THE TROPICAL CYCLONE UPDATE IS A BRIEF STATEMENT TO INFORM OF
SIGNIFICANT CHANGES IN A TROPICAL CYCLONE OR TO POST OR CANCEL
WATCHES OR WARNINGS. THE TROPICAL CYCLONE UPDATE IS USED IN LIEU
OF OR TO PRECEDE THE ISSUANCE OF A SPECIAL ADVISORY PACKAGE.
TROPICAL CYCLONE UPDATES...WHICH CAN BE ISSUED AT ANY TIME...CAN
BE FOUND UNDER WMO HEADER WTPZ61-65 KNHC...AND UNDER AWIPS HEADER
MIATCUEP1-5.

ALL NATIONAL HURRICANE CENTER TEXT AND GRAPHICAL PRODUCTS ARE
AVAILABLE ON THE WEB AT WWW.HURRICANES.GOV. NHC IS ALSO ON
FACEBOOK AT WWW.FACEBOOK.COM/US.NOAA.NATIONALHURRICANECENTER.GOV.
NOTIFICATIONS ARE AVAILABLE VIA TWITTER WHEN SELECT NATIONAL
HURRICANE CENTER PRODUCTS ARE ISSUED. INFORMATION ABOUT OUR EAST
PACIFIC TWITTER FEED IS AVAILABLE AT
WWW.HURRICANES.GOV/TWITTER.SHTML.

$$
FORECASTER BERG