Hurricanes Typhoons and Cyclones

What are the signals and type of typhoon?

Answer

Wiki User
01/26/2011

Hurricane and Typhoon Signal and Warning Comparisons

Hong Kong Observatory

PAGASA

NHC

BoM

WA SES

Signal One (Stand-by) #1:

A TC within 800 km may affect HK no equivalent no equivalentno equivalentSignal Three (Strong Winds) #3:

41-62km/h Strong Winds expected within 12 hoursPSWS#1 (ONE):

30-60 km/h winds expected in 36 hoursStrong Wind WarningStrong Wind Warning no equivalent no equivalentTropical Storm Watch:

63-117 km/h winds in 36 hoursTropical Cyclone Watch Category 1:

>75 km/h gusts in 24-48 hoursSignal Eight (Gale or Storm Winds) #8:

63-117 km/h Gale or Storm Force winds expected or blowingPSWS#2 (TWO):

60-100 km/h winds expected in 24 hoursTropical Storm Warning:

63-117 km/h winds in <24 hoursTropical Cyclone Warning Category 1:

>75 km/h gusts in <24 hoursSignal Nine (Increasing Gale or Storm Winds) #9:

Increasing Gale or Storm Force winds

(effectively means Gale or Storm Force winds are blowing now and Hurricane Force winds are likely pretty soon) no equivalentHurricane Watch:

>118 km/h winds in 36 hours

Hurricane Watch with Tropical Storm Warning:

63-117 km/h winds in <24 hours and >118 km/h winds in 36 hoursTropical Cyclone Watch Category 2, 3, 4, or 5:

125-280 km/h Gusts in 24-48 hoursSignal Ten (Hurricane):

118 km/h + Hurricane Force winds expected or blowingPSWS#3 (THREE):

100-185 km/h Hurricane Force Winds expected in 18 hoursHurricane Warning Cat 1 or 2:

>118 km/h winds in <24 hours

[119-153 km/h = Cat 1]

[154-177 km/h = Cat 2]Tropical Cyclone Warning Category 2:

125-170 km/h Gusts in <24 hoursno equivalentPSWS#4 (FOUR):

185 km/h + Very Intense Hurricane Force winds expected in 12 hoursHurricane Warning Cat 3, 4, or 5:

[178-209 km/h = Cat 3]

[210-249 km/h = Cat 4]

[>250 km/h = Cat 5]Tropical Cyclone Warning Category 3, 4, or 5:

170-220 km/h Gusts in <24 hours Category 3

[220-280 km/h = cat 4]

[>280 km/h = Cat 5]All Signals were loweredAll Philippine PSWS were loweredAll warnings are cancelledAll warnings are discontinued