Storm Watch | Hurricane & Tropical Cyclone Forecast

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Sea Surface Temperature

Surface Analysis

Pacific Maps and Charts Pacific 500 mb 24-hr forecast 48-hr forecast 96-hr forecast Pacific Surface Analysis Latest Analysis 00 UTC color Analysis 06 UTC color Analysis 12 UTC color Analysis 18 UTC color Analysis Pacific Surface Forecasts 24-hr forecast 48-hr forecast 96-hr forecast Pacific Wind & Wave Analysis  (with satellite) 24-hr forecast 48-hr forecast 96-hr forecast Pacific Sea State Analysis Pacific Wave Period & Direction 24-hr forecast  (color) 48-hr forecast  (color) 96-hr forecast  (color)

Atlantic Maps and Charts Atlantic 500 mb 24-hr forecast 48-hr forecast 96-hr forecast Atlantic Surface Analysis Latest Analysis 00 UTC color Analysis 06 UTC color Analysis 12 UTC color Analysis 18 UTC color Analysis Atlantic Surface Forecasts 24-hr forecast 48-hr forecast 96-hr forecast Atlantic Wind & Wave Analysis  (with satellite) 24-hr forecast 48-hr forecast 96-hr forecast Atlantic Sea State Analysis Atlantic Wave Period & Direction 24-hr forecast  (color) 48-hr forecast  (color) 96-hr forecast  (color)

Hurricane Scale
Cat	Mph	Kph	Knots	Pressure(Millibars)
1	74-95	119-153	64-82	980+
2	96-110	154-177	83-95	979-965
3	111-130	178-209	96-113	964-945
4	131-155	210-249	114-135	944-920
5	156+	250+	136+	below 920

 Saffir-Simpson Hurricane Wind Scale

THE SAFFIR–SIMPSON HURRICANE SCALE IS A CLASSIFICATION USED FOR SOME WESTERN HEMISPHERE TROPICAL CYCLONES THAT EXCEED THE INTENSITIES OF TROPICAL DEPRESSIONS AND TROPICAL STORMS. THE SCALE DIVIDES HURRICANES INTO FIVE CATEGORIES DISTINGUISHED BY THE INTENSITIES OF THEIR SUSTAINED WINDS. IN ORDER TO BE CLASSIFIED AS A HURRICANE, A TROPICAL CYCLONE MUST HAVE MAXIMUM SUSTAINED WINDS OF AT LEAST 74 MPH (33 M/S); 74 MPH (64 KN; 119 KM/H). THE HIGHEST CLASSIFICATION IN THE SCALE, CATEGORY 5, IS RESERVED FOR STORMS WITH WINDS EXCEEDING 155 MPH (69 M/S); 155 MPH (135 KN; 249 KM/H)

Tropical Storm Names

	Atlantic
	2017	2018	2019	2020	2021	2022
	Arlene Bret Cindy Don Emily Franklin Gert Harvey Irma Jose Katia Lee Maria Nate Ophelia Philippe Rina Sean Tammy Vince Whitney	Alberto Beryl Chris Debby Ernesto Florence Gordon Helene Isaac Joyce Kirk Leslie Michael Nadine Oscar Patty Rafael Sara Tony Valerie William	Andrea Barry Chantal Dorian Erin Fernand Gabrielle Humberto Imelda Jerry Karen Lorenzo Melissa Nestor Olga Pablo Rebekah Sebastien Tanya Van Wendy	Arthur Bertha Cristobal Dolly Edouard Fay Gonzalo Hanna Isaias Josephine Kyle Laura Marco Nana Omar Paulette Rene Sally Teddy Vicky Wilfred	Ana Bill Claudette Danny Elsa Fred Grace Henri Ida Julian Kate Larry Mindy Nicholas Odette Peter Rose Sam Teresa Victor Wanda	Alex Bonnie Colin Danielle Earl Fiona Gaston Hermine Ian Julia Karl Lisa Martin Nicole Owen Paula Richard Shary Tobias Virginie Walter

 

These Weather Forecasts have no official status and should not be used for emergency response decision making under any circumstances. 

While tropical weather can produce extremely powerful hurricane force winds and torrential rain, they are also able to produce high waves and damaging storm surge as well as spawning tornadoes. They develop over large bodies of warm water, and lose their strength if they move over land due to increased surface friction and loss of the warm ocean as an energy source. This is why coastal regions can receive significant damage from a tropical storm, while inland regions are relatively safe from receiving strong winds. Heavy rains, however, can produce significant flooding inland, and storm surges can produce extensive coastal flooding up to 40 kilometers (25 mi) from the coastline.

The tropical cyclone data presented at this site are intended to convey only general information on current storms and must not be used to make life or death decisions or decisions relating to the protection of property: the data may not be accurate. If you are in the path of a storm you should be listening to official information sources.