WTNT33 KNHC 091746
Tropical Storm Julia Intermediate Advisory Number 13A
NWS National Hurricane Center Miami FL AL132022
100 PM CDT Sun Oct 09 2022
...JULIA MOVING QUICKLY ACROSS NICARAGUA, APPROACHING THE PACIFIC
...RISK OF LIFE-THREATENING FLASH FLOODS AND MUDSLIDES ACROSS
CENTRAL AMERICA AND SOUTHERN MEXICO CONTINUES THROUGH TUESDAY...
SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
ABOUT 20 MI...35 KM NNE OF MANAGUA NICARAGUA
ABOUT 220 MI...355 KM ESE OF SAN SALVADOR EL SALVADOR
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 16 MPH...26 KM/H
MINIMUM CENTRAL PRESSURE...996 MB...29.41 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* Pacific coast of Nicaragua
* Pacific coast of Honduras
* Coast of El Salvador
A Tropical Storm Watch is in effect for...
* Pacific coast of Guatemala
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area, in this case within the
next 24 hours.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, in this case within the next 24 to
For storm information specific to your area, please monitor
products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
At 100 PM CDT (1800 UTC), the center of Tropical Storm Julia was
located inland near latitude 12.4 North, longitude 86.2 West. Julia
is moving toward the west near 16 mph (26 km/h), and this motion is
expected to continue today, with a slightly slower
west-northwestward motion tonight and Monday. On the forecast
track, the center of Julia is expected to continue moving over
Nicaragua today and emerge off the Pacific coast by this evening.
Julia is then expected to move very near to and parallel to the
Pacific coasts of Honduras, El Salvador, and Guatemala tonight and
Maximum sustained winds have decreased to near 60 mph (95 km/h)
with higher gusts. Additional weakening is forecast during the next
day or two, but Julia is still expected to be a tropical storm when
it moves near the Pacific coasts of Nicaragua, Honduras, and El
Salvador tonight and Monday. Julia is expected to dissipate near
the coast of Guatemala by Monday night.
Tropical-storm-force winds extend outward up to 90 miles (150 km)
from the center.
The estimated minimum central pressure is 996 mb (29.41 inches).
HAZARDS AFFECTING LAND
Key messages for Julia can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC
and on the web at hurricanes.gov/text/MIATCDAT3.shtml.
WIND: Tropical storm conditions are expected along the Pacific
coasts of Nicaragua, Honduras, and El Salvador within the warning
area beginning this afternoon through Monday morning. Tropical
storm conditions are possible along the Pacific coast of Guatemala
within the watch area on Monday.
RAINFALL: Julia is expected to produce the following rainfall
accumulations through Tuesday:
Nicaragua and El Salvador...5 to 10 inches, isolated 15 inches.
Honduras, Belize, northern Guatemala, and the Isthmus of Tehuantepec
in Mexico...3 to 6 inches, isolated 10 inches.
San Andres, Providencia, and western Panama...an additional 2 to 4
inches, isolated 12 inch storm total amounts.
Southern Guatemala and Costa Rica...4 to 8 inches, isolated 12
This rainfall may cause life-threatening flash floods and mudslides
across Central America today and Monday. Flash flooding is
anticipated across the Isthmus of Tehuantepec in Mexico early this
SURF: Swells generated by Julia are affecting Jamaica, Providencia,
and San Andres, and the coast of Central America. These swells are
likely to cause life-threatening surf and rip current conditions.
Please consult products from your local weather office.
Next complete advisory at 400 PM CDT.
The next complete advisory at 400 PM CDT will be issued under
Eastern Pacific AWIPS header MIATCPEP3 and WMO header WTPZ33 KNHC.