Saffir-Simpson Hurricane Scale

Category	Wind Speed	Storm Surge
	mph	ft
5	≥157	>18
4	130–156	13–18
3	111–129	9–12
2	96–110	6–8
1	74–95	4–5
Additional Classifications
Tropical Storm	39–73	0–3
Tropical Depression	0–38	0

The Saffir-Simpson Hurricane Scale is a classification used for most Western Hemisphere tropical cyclones that exceed the intensities of "tropical depressions" and "tropical storms", and thereby become hurricanes. Source: Intellicast

Hurricane Season 101

The official Atlantic Basin Hurricane Season runs from June 1st to November 30th. A tropical cyclone is a warm-core, low pressure system without any “front” attached. It develops over tropical or subtropical waters, and has an organized circulation. Depending upon location, tropical cyclones have different names around the world. The Tropical Cyclones we track in the Atlantic basin are called Tropical Depressions, Tropical Storms and Hurricanes! Atlantic Basin Tropical Cyclones are classified as follows: Tropical Depression: Organized system of clouds and thunderstorms with defined surface circulation and max sustained winds of 38 mph or less. Tropical Storm: Organized system of strong thunderstorms with a defined surface circulation and maximum sustained winds of 39-73 mph. Hurricane: Intense tropical weather system of strong thunderstorms with a well-defined surface circulation. A Hurricane has max sustained winds of 74 mph or higher!

The difference between Tropical Storm and Hurricane Watches, Warnings, Advisories and Outlooks

Warnings:Listen closely to instructions from local officials on TV, radio, cell phones or other computers for instructions from local officials.Evacuate immediately if told to do so.

Storm Surge Warning: There is a danger of life-threatening inundation from rising water moving inland from the shoreline somewhere within the specified area. This is generally within 36 hours. If you are under a storm surge warning, check for evacuation orders from your local officials.
Hurricane Warning: Hurricane conditions (sustained winds of 74 mph or greater) are expected somewhere within the specified area. NHC issues a hurricane warning 36 hours in advance of tropical storm-force winds to give you time to complete your preparations. All preparations should be complete. Evacuate immediately if so ordered.
Tropical Storm Warning: Tropical storm conditions (sustained winds of 39 to 73 mph) are expected within your area within 36 hours.
Extreme Wind Warning: Extreme sustained winds of a major hurricane (115 mph or greater), usually associated with the eyewall, are expected to begin within an hour. Take immediate shelter in the interior portion of a well-built structure.

Please note that hurricane and tropical storm watches and warnings for winds on land as well as storm surge watches and warnings can be issued for storms that the NWS believes will become tropical cyclones but have not yet attained all of the characteristics of a tropical cyclone (i.e., a closed low-level circulation, sustained thunderstorm activity, etc.). In these cases, the forecast conditions on land warrant alerting the public. These storms are referred to as “potential tropical cyclones” by the NWS. Hurricane, tropical storm, and storm surge watches and warnings can also be issued for storms that have lost some or all of their tropical cyclone characteristics, but continue to produce dangerous conditions. These storms are called “post-tropical cyclones” by the NWS. Watches: Listen closely to instructions from local officials on TV, radio, cell phones or other computers for instructions from local officials. Evacuate if told to do so.

Storm Surge Watch: Storm here is a possibility of life-threatening inundation from rising water moving inland from the shoreline somewhere within the specified area, generally within 48 hours. If you are under a storm surge watch, check for evacuation orders from your local officials.
Hurricane Watch: Huriricane conditions (sustained winds of 74 mph or greater) are possible within your area. Because it may not be safe to prepare for a hurricane once winds reach tropical storm force, The NHC issues hurricane watches 48 hours before it anticipates tropical storm-force winds.
Tropical Storm Watch: Tropical storm conditions (sustained winds of 39 to 73 mph) are possible within the specified area within 48 hours.

Advisories:

Tropical Cyclone Public Advisory:The Tropical Cyclone Public Advisory contains a list of all current coastal watches and warnings associated with an ongoing or potential tropical cyclone, a post-tropical cyclone, or a subtropical cyclone. It also provides the cyclone position, maximum sustained winds, current motion, and a description of the hazards associated with the storm.
Tropical Cyclone Track Forecast Cone:This graphic shows areas under tropical storm and hurricane watches and warnings, the current position of the center of the storm, and its predicted track. Forecast uncertainty is conveyed on the graphic by a “cone” (white and stippled areas) drawn such that the center of the storm will remain within the cone about 60 to 70 percent of the time. Remember, the effects of a tropical cyclone can span hundreds of miles. Areas well outside of the cone often experience hazards such as tornadoes or inland flooding from heavy rain.

Outlooks:

Tropical Weather Outlook:The Tropical Weather Outlook is a discussion of significant areas of disturbed weather and their potential for development during the next 5 days. The Outlook includes a categorical forecast of the probability of tropical cyclone formation during the first 48 hours and during the entire 5-day forecast period. You can also find graphical versions of the 2-day and 5-day Outlook here

Be sure to read up on tons of more information on Hurricane knowledge, preparedness, statistics and history under the menu on the left hand side of the page! Here are your 2020 Hurricane Season Names: Arthur, Bertha, Cristobal, Dolly, Edouard, Fay, Gonzalo, Hanna, Isaias, Josephine ,Kyle, Laura, Marco, Nana, Omar, Paulette, Rene, Sally, Teddy, Vicky and Wilfred!!!

Fred – 2021 Atlantic Hurricane Season

NHC Public Advisory on Fred

Mon, 06 Jun 2022 20:32:52 +0000: Atlantic Post-Tropical Cyclone Alex Advisory Number 17 - Atlantic Post-Tropical Cyclone Alex Advisory Number 17

000
WTNT31 KNHC 062032
TCPAT1

BULLETIN
Post-Tropical Cyclone Alex Advisory Number 17
NWS National Hurricane Center Miami FL AL012022
500 PM AST Mon Jun 06 2022

...ALEX BECOMES POST-TROPICAL...
...THIS IS THE LAST NHC ADVISORY...

SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...35.5N 60.6W
ABOUT 325 MI...525 KM NE OF BERMUDA
MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 31 MPH...50 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES

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

DISCUSSION AND OUTLOOK
----------------------
At 500 PM AST (2100 UTC), the center of Post-Tropical Cyclone Alex
was located near latitude 35.5 North, longitude 60.6 West. The
post-tropical cyclone is moving quickly toward the east-northeast
near 31 mph (50 km/h). Acceleration toward the east-northeast is
expected tonight.

Maximum sustained winds are near 60 mph (95 km/h) with higher gusts.
Little change in strength is forecast tonight. Alex is forecast to
merge with another non-tropical low on Tuesday.

Tropical-storm-force winds extend outward up to 195 miles (315 km)
from the center.

The estimated minimum central pressure is 993 mb (29.33 inches).

HAZARDS AFFECTING LAND
----------------------
None.

NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on this system. Additional information on this system can be
found in High Seas Forecasts issued by the National Weather
Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and
online at ocean.weather.gov/shtml/NFDHSFAT1.php

$$
Forecaster D. Zelinsky

NHC Forecast Advisory on Fred

Mon, 06 Jun 2022 20:32:52 +0000: Atlantic Post-Tropical Cyclone ALEX Forecast/Advis... - Atlantic Post-Tropical Cyclone ALEX Forecast/Advisory Number 17 NWS NATIONAL Hurricane CENTER MIAMI FL AL012022 2100 UTC MON JUN 06 2022 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. POST-TROPICAL Cyclone CENTER LOCATED NEAR 35.5N 60.6W AT 06/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 27 KT ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 0NE 90SE 40SW 40NW. 34 KT.......170NE 170SE 100SW 100NW. 12 FT SEAS..120NE 270SE 360SW 300NW. 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 35.5N 60.6W AT 06/2100Z AT 06/1800Z CENTER WAS LOCATED NEAR 34.7N 62.2W FORECAST VALID 07/0600Z 37.6N 55.4W...POST-TROP/EXTRATROP MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 0NE 90SE 0SW 0NW. 34 KT...150NE 220SE 170SW 110NW. FORECAST VALID 07/1800Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.5N 60.6W THIS IS THE LAST FORECAST/Advisory ISSUED BY THE NATIONAL HURRICANE CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC. $$ FORECASTER D. ZELINSKY

000
WTNT21 KNHC 062032
TCMAT1

POST-TROPICAL CYCLONE ALEX FORECAST/ADVISORY NUMBER 17
NWS NATIONAL HURRICANE CENTER MIAMI FL AL012022
2100 UTC MON JUN 06 2022

THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT.

POST-TROPICAL CYCLONE CENTER LOCATED NEAR 35.5N 60.6W AT 06/2100Z
POSITION ACCURATE WITHIN 30 NM

PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR 60 DEGREES AT 27 KT

ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 0NE 90SE 40SW 40NW.
34 KT.......170NE 170SE 100SW 100NW.
12 FT SEAS..120NE 270SE 360SW 300NW.
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 35.5N 60.6W AT 06/2100Z
AT 06/1800Z CENTER WAS LOCATED NEAR 34.7N 62.2W

FORECAST VALID 07/0600Z 37.6N 55.4W...POST-TROP/EXTRATROP
MAX WIND 50 KT...GUSTS 60 KT.
50 KT... 0NE 90SE 0SW 0NW.
34 KT...150NE 220SE 170SW 110NW.

FORECAST VALID 07/1800Z...DISSIPATED

REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 35.5N 60.6W

THIS IS THE LAST FORECAST/ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON THIS SYSTEM. ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER
SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01 KWBC.

$$
FORECASTER D. ZELINSKY

NHC Discussion on Fred

Mon, 06 Jun 2022 20:33:22 +0000: Atlantic Post-Tropical Cyclone Alex Discussion Number 17 - Atlantic Post-Tropical Cyclone Alex Discussion Number 17

000
WTNT41 KNHC 062033
TCDAT1

Post-Tropical Cyclone Alex Discussion Number 17
NWS National Hurricane Center Miami FL AL012022
500 PM AST Mon Jun 06 2022

Alex has not produced any deep convection near its center since last
night. It's surface circulation has also become elongated and
ill-defined. Based on these factors, Alex is now classified as
post-tropical and this will be the last advisory. The initial
intensity is set at 50 kt, assuming a little weakening has occurred
since this morning, though this is uncertain due to a lack of recent
ASCAT or surface observations.

Alex is moving quickly toward the east-northeast. Another
non-tropical low or trough is forecast to develop to the northeast
of Alex tonight. While there is quite a bit of variability in the
details, all global models forecast that Alex and the other low
will merge within the next 24 h or so, so the NHC forecast now
shows dissipation at that time. The baroclinic system that results
from that merger is expected to strengthen and could produce
hurricane-force winds over the north Atlantic by midweek. For more
information, please see forecasts from the National Weather Service
Ocean Prediction Center under AWIPS header NFDHSFAT1, WMO header
FZNT01 KWBC, and online at ocean.weather.gov/shtml/NFDHSFAT1.php.

FORECAST POSITIONS AND MAX WINDS

INIT 06/2100Z 35.5N 60.6W 50 KT 60 MPH...POST-TROPICAL
12H 07/0600Z 37.6N 55.4W 50 KT 60 MPH...POST-TROP/EXTRATROP
24H 07/1800Z...DISSIPATED

$$
Forecaster D. Zelinsky

Facebook Comments

Copyright © 2013-2022 Track The Tropics – Spaghetti Models – Hurricane Season 2022 - All Rights Reserved - SiteMap
DISCLAIMER: This website, TrackTheTropics.com, is for general information only and not to be used for any official forecast. This site is made to provide as many useful links and information possible for hurricane tracking and knowledge. Please first consult the NWS and NHC before making decisions on any kind of weather event. We are also not responsible for inaccurate maps or data on this page.

Powered by WordPress & Atahualpa

70 queries. 1.543 seconds.