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Hurricane.com - Advisory


Expires:No;;815815
WTPZ34 KNHC 030842
TCPEP4

BULLETIN
Post-Tropical Cyclone Lidia Advisory Number  19
NWS National Hurricane Center Miami FL       EP142017
200 AM PDT Sun Sep 03 2017

...LIDIA DEGENERATES INTO A REMNANT LOW...
...THIS IS THE LAST ADVISORY...


SUMMARY OF 200 AM PDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...29.6N 116.3W
ABOUT 40 MI...65 KM SW OF PUNTA BAJA MEXICO
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NW OR 315 DEGREES AT 8 MPH...13 KM/H
MINIMUM CENTRAL PRESSURE...1003 MB...29.62 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 200 AM PDT (0900 UTC), the center of Post-Tropical Cyclone Lidia
was located near latitude 29.6 North, longitude 116.3 West.  Lidia
is moving toward the northwest near 8 mph (13 km/h), and this motion
at a slightly faster forward speed is expected through today.  A
turn toward the west-northwest is forecast by tonight.

Maximum sustained winds are near 35 mph (55 km/h) with higher gusts.
Weakening is forecast, and Lidia is expected to dissipate by Monday
night.

The estimated minimum central pressure is 1003 mb (29.62 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  The heavy rainfall threat associated with Lidia continues
to diminish as the storm weakens.  Additional rainfall totals of 1
to 2 inches are possible over the northern Baja California peninsula
through today.  The tropical moisture from Lidia will spread across
parts of the desert Southwest this holiday weekend with an increase
in scattered showers and thunderstorms from southern Nevada, western
Arizona and into southern California.

SURF:  Residual swells generated by Lidia will gradually diminish
along the west coast of the Baja California peninsula during the
next day or two but could still cause life-threatening surf and rip
current conditions.  Please consult products from your local weather
office.


NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on this system.  For additional information on the remnant
low please see High Seas Forecasts issued by the National Weather
Service, under AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and
on the web at http://www.opc.ncep.noaa.gov/shtml/NFDHSFEPI.shtml.

$$
Forecaster Berg



 

Expires:No;;815865
WTPZ44 KNHC 030843
TCDEP4

Post-Tropical Cyclone Lidia Discussion Number  19
NWS National Hurricane Center Miami FL       EP142017
200 AM PDT Sun Sep 03 2017

Lidia has not produced any deep convection for the past 12-15
hours, which means it is no longer a tropical cyclone and has
degenerated into a remnant low.  Its initial intensity is estimated
to be 30 kt based on a Dvorak CI number of 2.0 from TAFB, but
Lidia's winds should gradually decrease as it moves over the cold
waters west of Baja California.  Model guidance indicates that
Lidia's vorticity will merge with or become absorbed by a
deep-layer low to its west in the coming days, and the surface low
is expected to dissipate by 48 hours.

Lidia's initial motion is toward the northwest, or 315/7 kt.  High
pressure over the southwestern United States should steer the
remnant low toward the west-northwest beginning later today, and
this motion should continue until the circulation dissipates off the
coast of southern California.

This is the last advisory issued by the National Hurricane Center
on Lidia.  For additional information on the remnant low please see
High Seas Forecasts issued by the National Weather Service, under
AWIPS header NFDHSFEPI, WMO header FZPN02 KWBC, and on the web at
http://www.opc.ncep.noaa.gov/shtml/NFDHSFEPI.shtml.

FORECAST POSITIONS AND MAX WINDS

INIT  03/0900Z 29.6N 116.3W   30 KT  35 MPH...POST-TROP/REMNT LOW
 12H  03/1800Z 30.3N 117.6W   25 KT  30 MPH...POST-TROP/REMNT LOW
 24H  04/0600Z 31.2N 119.7W   20 KT  25 MPH...POST-TROP/REMNT LOW
 36H  04/1800Z 32.2N 121.8W   15 KT  15 MPH...POST-TROP/REMNT LOW
 48H  05/0600Z...DISSIPATED

$$
Forecaster Berg



 

    

More information

Expires:No;;815813
WTPZ24 KNHC 030842
TCMEP4

POST-TROPICAL CYCLONE LIDIA FORECAST/ADVISORY NUMBER  19
NWS NATIONAL HURRICANE CENTER MIAMI FL       EP142017
0900 UTC SUN SEP 03 2017

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

POST-TROPICAL CYCLONE CENTER LOCATED NEAR 29.6N 116.3W AT 03/0900Z
POSITION ACCURATE WITHIN  40 NM

PRESENT MOVEMENT TOWARD THE NORTHWEST OR 315 DEGREES AT   7 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 1003 MB
MAX SUSTAINED WINDS  30 KT WITH GUSTS TO  40 KT.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.

REPEAT...CENTER LOCATED NEAR 29.6N 116.3W AT 03/0900Z
AT 03/0600Z CENTER WAS LOCATED NEAR 29.3N 115.9W

FORECAST VALID 03/1800Z 30.3N 117.6W...POST-TROP/REMNT LOW
MAX WIND  25 KT...GUSTS  35 KT.

FORECAST VALID 04/0600Z 31.2N 119.7W...POST-TROP/REMNT LOW
MAX WIND  20 KT...GUSTS  30 KT.

FORECAST VALID 04/1800Z 32.2N 121.8W...POST-TROP/REMNT LOW
MAX WIND  15 KT...GUSTS  20 KT.

FORECAST VALID 05/0600Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.6N 116.3W

THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM.  FOR ADDITIONAL INFORMATION ON THE REMNANT
LOW PLEASE SEE HIGH  SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER
SERVICE...UNDER AWIPS HEADER NFDHSFEPI AND WMO HEADER FZPN02 KWBC.

$$
FORECASTER BERG




 

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