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- Fri, 15 Nov 2024 02:52:47 +0000: Atlantic Tropical Storm Sara Advisory Number 6 - Atlantic Tropical Storm Sara Advisory Number 6
882
WTNT34 KNHC 150252
TCPAT4
BULLETIN
Tropical Storm Sara Advisory Number 6
NWS National Hurricane Center Miami FL AL192024
1000 PM EST Thu Nov 14 2024
...AIR FORCE HURRICANE HUNTERS FIND SARA JUST INLAND ALONG THE
NORTHEASTERN COAST OF HONDURAS...
...LIFE-THREATENING AND POTENTIALLY CATASTROPHIC FLASH FLOODING AND
MUDSLIDES EXPECTED IN HONDURAS THROUGH THE WEEKEND...
SUMMARY OF 1000 PM EST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...15.8N 84.5W
ABOUT 105 MI...170 KM ESE OF ISLA GUANAJA HONDURAS
ABOUT 105 MI...165 KM WNW OF CABO GRACIAS A DIOS ON NIC/HON BORDER
MAXIMUM SUSTAINED WINDS...45 MPH...75 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...999 MB...29.50 INCHES
WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:
The government of Nicaragua has discontinued the Tropical Storm
Watch for the northeastern coast of Nicaragua.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* The northern coast of Honduras from Punta Sal eastward to the
Honduras/Nicaragua Border
* The Bay Islands of Honduras
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area.
Interests elsewhere in Honduras, Guatemala, Belize, and the Yucatan
Peninsula should monitor the progress of this system.
For storm information specific to your area, please monitor
products issued by your national meteorological service.
DISCUSSION AND OUTLOOK
----------------------
At 1000 PM EST (0300 UTC), the center of Tropical Storm Sara was
located near latitude 15.8 North, longitude 84.5 West. Sara is
moving toward the west near 10 mph (17 km/h). A westward motion at a
slower forward speed is expected during the next couple of days. A
slow west-northwestward motion is forecast by late Saturday. On the
forecast track, the center of Sara will move close to the northern
coast of Honduras through early Saturday, then approach the coast of
Belize on Sunday.
Data from the Air Force Hurricane Hunters indicate that maximum
sustained winds have increased to near 45 mph (75 km/h) with higher
gusts. Some further strengthening is possible during the next
couple of days if the center of Sara remains offshore of the
northern coast of Honduras.
Tropical-storm-force winds extend outward up to 105 miles (165 km)
from the center.
The estimated minimum central pressure is 999 mb (29.50 inches).
HAZARDS AFFECTING LAND
----------------------
Key Messages for Tropical Storm Sara can be found in the Tropical
Cyclone Discussion under AWIPS header MIATCDAT4 and WMO header
WTNT44 KNHC and on the web at hurricanes.gov/text/MIATCDAT4.shtml
RAINFALL: Through early next week, rainfall amounts of 10 to 20
inches with isolated storm totals around 30 inches area expected
over northern Honduras. This rainfall will lead to widespread areas
of life-threatening and potentially catastrophic flash flooding and
mudslides, especially along and near the Sierra La Esperanza.
Elsewhere across the rest of Honduras, Belize, El Salvador, eastern
Guatemala, western Nicaragua, and the Mexican State of Quintana Roo,
Sara is expected to produce 5 to 10 inches of rain with localized
totals around 15 inches through early next week. This will result in
areas of flash flooding, perhaps significant, along with the
potential of mudslides.
For a complete depiction of forecast rainfall associated with
Tropical Storm Sara, please see the National Weather Service Storm
Total Rainfall Graphic, available at
hurricanes.gov/refresh/graphics_at4+shtml/205755.shtml?
rainqpf#contents
WIND: Tropical storm conditions are expected in the warning area in
Honduras during the next couple of days.
STORM SURGE: Storm surge could raise water levels by as much as 1
to 3 feet above normal tide levels along the immediate coast in
areas of onshore winds along the northern coast of Honduras. Near
the coast, the surge will be accompanied by large and destructive
waves.
NEXT ADVISORY
-------------
Next intermediate advisory at 100 AM EST.
Next complete advisory at 400 AM EST.
$$
Forecaster Reinhart
- Fri, 15 Nov 2024 02:52:22 +0000: Atlantic Tropical Storm SARA Forecast/Advisory Num... - Atlantic Tropical Storm SARA Forecast/Advisory Number 6 NWS NATIONAL Hurricane CENTER MIAMI FL AL192024 0300 UTC FRI NOV 15 2024 TROPICAL STORM CENTER LOCATED NEAR 15.8N 84.5W AT 15/0300Z POSITION ACCURATE WITHIN 40 NM PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 999 MB MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT. 34 KT....... 90NE 0SE 0SW 90NW. 12 FT SEAS.. 60NE 0SE 0SW 0NW. WINDS AND SEAS VARY GREATLY IN EACH QUADRANT. RADII IN NAUTICAL MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT. REPEAT...CENTER LOCATED NEAR 15.8N 84.5W AT 15/0300Z AT 15/0000Z CENTER WAS LOCATED NEAR 15.8N 84.0W FORECAST VALID 15/1200Z 15.9N 85.3W...NEAR THE COAST MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 90NE 20SE 0SW 90NW. FORECAST VALID 16/0000Z 16.0N 86.0W...NEAR THE COAST MAX WIND 40 KT...GUSTS 50 KT. 34 KT... 90NE 20SE 0SW 90NW. FORECAST VALID 16/1200Z 16.1N 86.4W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 90NE 30SE 0SW 90NW. FORECAST VALID 17/0000Z 16.3N 87.0W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 90NE 30SE 0SW 70NW. FORECAST VALID 17/1200Z 16.6N 87.9W MAX WIND 45 KT...GUSTS 55 KT. 34 KT... 80NE 20SE 0SW 60NW. FORECAST VALID 18/0000Z 17.4N 89.2W...INLAND MAX WIND 30 KT...GUSTS 40 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 19/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.8N 84.5W Intermediate PUBLIC Advisory...WTNT34 KNHC/MIATCPAT4...AT 15/0600Z NEXT ADVISORY AT 15/0900Z $$ FORECASTER REINHART
000
WTNT24 KNHC 150252
TCMAT4
TROPICAL STORM SARA FORECAST/ADVISORY NUMBER 6
NWS NATIONAL HURRICANE CENTER MIAMI FL AL192024
0300 UTC FRI NOV 15 2024
TROPICAL STORM CENTER LOCATED NEAR 15.8N 84.5W AT 15/0300Z
POSITION ACCURATE WITHIN 40 NM
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 9 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 999 MB
MAX SUSTAINED WINDS 40 KT WITH GUSTS TO 50 KT.
34 KT....... 90NE 0SE 0SW 90NW.
12 FT SEAS.. 60NE 0SE 0SW 0NW.
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 15.8N 84.5W AT 15/0300Z
AT 15/0000Z CENTER WAS LOCATED NEAR 15.8N 84.0W
FORECAST VALID 15/1200Z 15.9N 85.3W...NEAR THE COAST
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 90NE 20SE 0SW 90NW.
FORECAST VALID 16/0000Z 16.0N 86.0W...NEAR THE COAST
MAX WIND 40 KT...GUSTS 50 KT.
34 KT... 90NE 20SE 0SW 90NW.
FORECAST VALID 16/1200Z 16.1N 86.4W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 90NE 30SE 0SW 90NW.
FORECAST VALID 17/0000Z 16.3N 87.0W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 90NE 30SE 0SW 70NW.
FORECAST VALID 17/1200Z 16.6N 87.9W
MAX WIND 45 KT...GUSTS 55 KT.
34 KT... 80NE 20SE 0SW 60NW.
FORECAST VALID 18/0000Z 17.4N 89.2W...INLAND
MAX WIND 30 KT...GUSTS 40 KT.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 125 NM
ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY
OUTLOOK VALID 19/0000Z...DISSIPATED
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.8N 84.5W
INTERMEDIATE PUBLIC ADVISORY...WTNT34 KNHC/MIATCPAT4...AT 15/0600Z
NEXT ADVISORY AT 15/0900Z
$$
FORECASTER REINHART
- Fri, 15 Nov 2024 02:55:18 +0000: Atlantic Tropical Storm Sara Discussion Number 6 - Atlantic Tropical Storm Sara Discussion Number 6
404
WTNT44 KNHC 150255
TCDAT4
Tropical Storm Sara Discussion Number 6
NWS National Hurricane Center Miami FL AL192024
1000 PM EST Thu Nov 14 2024
Radar data from Belize shows heavy rainfall from Sara continues to
spread over portions of Belize, the Yucatan Peninsula of Mexico, and
Honduras tonight. There has been some increase in deep convection
closer to the center of the storm this evening. A recent Air Force
Hurricane Hunter flight leg over the northern semicircle found
925-mb flight-level winds up to 52 kt, which supports an initial
intensity of 40 kt. The flight-level wind data also indicated that
the center of Sara is likely just inland or very near the
northeastern coast of Honduras, and the center was somewhat
elongated west to east.
Sara is moving westward (270/9 kt) to the south of a mid-level ridge
centered over the Gulf of Mexico. A slower westward motion is
expected over the next couple of days, with the center of Sara
forecast to move along or very near the coast of northern Honduras.
As the ridge slides eastward later this weekend, Sarah should turn
toward the west-northwest by late Saturday and move across the Gulf
of Honduras before approaching the coast of Belize on Sunday. The
updated NHC track prediction is nudged slightly south in the short
term, but generally lies between the latest simple and corrected
consensus aids (TVCA/HCCA) with little overall change from the
previous forecast.
While the environmental and oceanic conditions are favorable for
some intensification, Sara's relatively broad structure and
proximity to land are likely to inhibit significant strengthening.
Given the slight southward track adjustment, little intensity change
is expected in the short term while the storm continues to interact
with land along the northeastern coast of Honduras. Some further
strengthening is forecast thereafter once Sara turns
west-northwestward and moves over water. The updated NHC forecast
shows a similar peak intensity as the previous prediction, in best
agreement with the intensity consensus aids. Once again, a more
northern track than forecast could result in additional
strengthening. The storm is forecast to move inland over Belize on
Sunday and quickly weaken while moving over the Yucatan Peninsula.
This forecast shows dissipation by day 4, as the global models agree
that the low-level circulation of Sara is unlikely to survive its
trek across the Yucatan Peninsula.
KEY MESSAGES:
1. Through early next week, heavy rainfall from Sara will cause
potentially catastrophic flash flooding and mudslides over
northern portions of Honduras.
2. Elsewhere across Belize, El Salvador, eastern Guatemala,
western Nicaragua, and the Mexican State of Quintana Roo, heavy
rainfall will cause significant and life-threatening flash flooding
and mudslides.
3. Tropical storm conditions are expected along portions of the
northern coast of Honduras, and the adjacent Bay Islands where
tropical storm warnings are in effect.
4. The system is forecast to approach Belize and the Yucatan
Peninsula of Mexico late this weekend where there is a risk of
strong winds. Residents in these areas should monitor the latest
forecast updates.
FORECAST POSITIONS AND MAX WINDS
INIT 15/0300Z 15.8N 84.5W 40 KT 45 MPH...NEAR THE COAST
12H 15/1200Z 15.9N 85.3W 40 KT 45 MPH...NEAR THE COAST
24H 16/0000Z 16.0N 86.0W 40 KT 45 MPH...NEAR THE COAST
36H 16/1200Z 16.1N 86.4W 45 KT 50 MPH
48H 17/0000Z 16.3N 87.0W 45 KT 50 MPH
60H 17/1200Z 16.6N 87.9W 45 KT 50 MPH
72H 18/0000Z 17.4N 89.2W 30 KT 35 MPH...INLAND
96H 19/0000Z...DISSIPATED
$$
Forecaster Reinhart