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Tropical Storm Nora Advisory Number 6
NWS National Hurricane Center Miami FL EP142021
1000 PM CDT Thu Aug 26 2021
...NORA FORECAST TO STRENGTHEN...
...TROPICAL STORM WARNING EXTENDED NORTHWARD ALONG THE SOUTHWESTERN
COAST OF MEXICO...
SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
ABOUT 270 MI...435 KM S OF LAZARO CARDENAS MEXICO
ABOUT 355 MI...575 KM SSE OF MANZANILLO MEXICO
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...WNW OR 295 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1001 MB...29.56 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
The government of Mexico has extended the Tropical Storm Warning
northward from Manzanillo to Cabo Corrientes Mexico, and issued a
Tropical Storm Watch from north of Cabo Corrientes to San Blas
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Hurricane Watch is in effect for...
* Lazaro Cardenas to Cabo Corrientes Mexico
A Tropical Storm Warning is in effect for...
* Tecpan de Galeana to Cabo Corrientes Mexico
A Tropical Storm Watch is in effect for...
* North of Cabo Corrientes to San Blas Mexico
A Hurricane Watch means that hurricane conditions are possible
within the watch area. A watch is typically issued 48 hours
before the anticipated first occurrence of tropical-storm-force
winds, conditions that make outside preparations difficult or
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests elsewhere along the west-central coast of Mexico and
southern portions of Baja California Sur should monitor the progress
of Nora. Additional watches and warnings will likely be required
for portions of these areas on Friday.
For storm information specific to your area, please monitor
products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
At 1000 PM CDT (0300 UTC), the center of Tropical Storm Nora was
located near latitude 14.1 North, longitude 102.6 West. Nora is
moving toward the west-northwest near 12 mph (19 km/h). A turn
toward the northwest is expected on Friday, followed by a
northwestward or north-northwestward motion on Saturday and Sunday.
On the forecast track, the center of Nora will approach the
southwestern coast of Mexico Friday and Friday night and pass very
near the coast Saturday and Saturday night. Nora will then approach
the southern portion of Baja California Sur on Sunday.
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Strengthening is forecast during the next few days, and Nora is
expected to become a hurricane on Saturday.
Nora is a large tropical storm. Tropical-storm-force winds extend
outward up to 205 miles (335 km) from the center.
The estimated minimum central pressure is 1001 mb (29.56 inches).
HAZARDS AFFECTING LAND
Key messages for Nora can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDEP4, WMO header WTPZ44 KNHC,
and on the web at hurricanes.gov/graphics_ep4.shtml?key_messages.
WIND: Hurricane conditions are possible within the hurricane watch
area Saturday, with tropical storm conditions beginning on Friday.
Tropical storm conditions are expected within the tropical storm
warning area beginning early Friday. Tropical storm
conditions are possible within the tropical storm watch area
beginning on Saturday.
RAINFALL: Tropical Storm Nora is expected to produce heavy rains
over coastal sections of the Mexican states of Oaxaca, Guerrero,
Michoacan, Colima, and Jalisco. Rainfall totals of 8 to 12 inches
are forecast through this weekend with isolated maximum amounts of
20 inches possible. Life-threatening flash flooding and mudslides
SURF: Swells generated by Nora are affecting the southern coast of
Mexico and will spread northward to the southwestern coast of Mexico
on Friday and into the weekend. These swells are likely to cause
life-threatening surf and rip current conditions. Please consult
products from your local weather office.
Next intermediate advisory at 100 AM CDT.
Next complete advisory at 400 AM CDT.