This file explains the naming conventions for NHC storm graphics files.

Files are located at http://www.nhc.noaa.gov/storm_graphics/BBNN/ where:
BB: Basin (AT for Atlantic, EP for Eastern Pacific)
NN: Sequential Storm Number where NHC declares a tropical cyclone to be at least tropical depression strength (01 to 35)

Basic filename convention syntax:
BBNNYYD.gif

BB: Basin (AL for Atlantic, EP for Eastern Pacific)
NN: Sequential Storm Number where NHC declares a tropical cyclone to be at least tropical depression strength (01 to 35)
YY: 2-digit Year of Hurricane Season (For 2008, value would be 08)
D: Description of Graphic

Possible values for D:
R : Surface Wind Field
S : History of Winds (Past Wind Swath)
T : Maximum Wind Speed Probability Table
W : 3-Day Track Forecast Cone & Watches/Warnings
W5: 5-Day Track Forecast Cone & Watches/Warnings
W_NL: 3-Day Track Forecast Cone (No Track Line) & Watches/Warnings
W5_NL: 5-Day Track Forecast Cone (No Track Line) & Watches/Warnings
_PROB34_F00 : 34 kt Wind Speed Probabilities (00 hour forecast)
_PROB34_F12 : 34 kt Wind Speed Probabilities (12 hour forecast)
_PROB34_F24 : 34 kt Wind Speed Probabilities (24 hour forecast)
_PROB34_F36 : 34 kt Wind Speed Probabilities (36 hour forecast)
_PROB34_F48 : 34 kt Wind Speed Probabilities (48 hour forecast)
_PROB34_F60 : 34 kt Wind Speed Probabilities (60 hour forecast)
_PROB34_F72 : 34 kt Wind Speed Probabilities (72 hour forecast)
_PROB34_F84 : 34 kt Wind Speed Probabilities (84 hour forecast)
_PROB34_F96 : 34 kt Wind Speed Probabilities (96 hour forecast)
_PROB34_F108 : 34 kt Wind Speed Probabilities (108 hour forecast)
_PROB34_F120 : 34 kt Wind Speed Probabilities (120 hour forecast)
_PROB50_F00 : 50 kt Wind Speed Probabilities (00 hour forecast)
_PROB50_F12 : 50 kt Wind Speed Probabilities (12 hour forecast)
_PROB50_F24 : 50 kt Wind Speed Probabilities (24 hour forecast)
_PROB50_F36 : 50 kt Wind Speed Probabilities (36 hour forecast)
_PROB50_F48 : 50 kt Wind Speed Probabilities (48 hour forecast)
_PROB50_F60 : 50 kt Wind Speed Probabilities (60 hour forecast)
_PROB50_F72 : 50 kt Wind Speed Probabilities (72 hour forecast)
_PROB50_F84 : 50 kt Wind Speed Probabilities (84 hour forecast)
_PROB50_F96 : 50 kt Wind Speed Probabilities (96 hour forecast)
_PROB50_F108 : 50 kt Wind Speed Probabilities (108 hour forecast)
_PROB50_F120 : 50 kt Wind Speed Probabilities (120 hour forecast)
_PROB64_F00 : 64 kt Wind Speed Probabilities (00 hour forecast)
_PROB64_F12 : 64 kt Wind Speed Probabilities (12 hour forecast)
_PROB64_F24 : 64 kt Wind Speed Probabilities (24 hour forecast)
_PROB64_F36 : 64 kt Wind Speed Probabilities (36 hour forecast)
_PROB64_F48 : 64 kt Wind Speed Probabilities (48 hour forecast)
_PROB64_F60 : 64 kt Wind Speed Probabilities (60 hour forecast)
_PROB64_F72 : 64 kt Wind Speed Probabilities (72 hour forecast)
_PROB64_F84 : 64 kt Wind Speed Probabilities (84 hour forecast)
_PROB64_F96 : 64 kt Wind Speed Probabilities (96 hour forecast)
_PROB64_F108 : 64 kt Wind Speed Probabilities (108 hour forecast)
_PROB64_F120 : 64 kt Wind Speed Probabilities (120 hour forecast)


Each of the graphics are available in 4 sizes:
original size: 895w x 716h
_sm : 157w x 126h
_sm1: 60w x 48h
_sm2: 500w x 400h

Here is a complete list of graphics for sample Atlantic storm #16 in 2007: 

AL1607_PROB34_F00.gif
AL1607_PROB34_F00_sm1.gif
AL1607_PROB34_F00_sm2.gif
AL1607_PROB34_F00_sm.gif
AL1607_PROB34_F108.gif
AL1607_PROB34_F108_sm1.gif
AL1607_PROB34_F108_sm2.gif
AL1607_PROB34_F108_sm.gif
AL1607_PROB34_F120.gif
AL1607_PROB34_F120_sm1.gif
AL1607_PROB34_F120_sm2.gif
AL1607_PROB34_F120_sm.gif
AL1607_PROB34_F12.gif
AL1607_PROB34_F12_sm1.gif
AL1607_PROB34_F12_sm2.gif
AL1607_PROB34_F12_sm.gif
AL1607_PROB34_F24.gif
AL1607_PROB34_F24_sm1.gif
AL1607_PROB34_F24_sm2.gif
AL1607_PROB34_F24_sm.gif
AL1607_PROB34_F36.gif
AL1607_PROB34_F36_sm1.gif
AL1607_PROB34_F36_sm2.gif
AL1607_PROB34_F36_sm.gif
AL1607_PROB34_F48.gif
AL1607_PROB34_F48_sm1.gif
AL1607_PROB34_F48_sm2.gif
AL1607_PROB34_F48_sm.gif
AL1607_PROB34_F60.gif
AL1607_PROB34_F60_sm1.gif
AL1607_PROB34_F60_sm2.gif
AL1607_PROB34_F60_sm.gif
AL1607_PROB34_F72.gif
AL1607_PROB34_F72_sm1.gif
AL1607_PROB34_F72_sm2.gif
AL1607_PROB34_F72_sm.gif
AL1607_PROB34_F84.gif
AL1607_PROB34_F84_sm1.gif
AL1607_PROB34_F84_sm2.gif
AL1607_PROB34_F84_sm.gif
AL1607_PROB34_F96.gif
AL1607_PROB34_F96_sm1.gif
AL1607_PROB34_F96_sm2.gif
AL1607_PROB34_F96_sm.gif
AL1607_PROB50_F00.gif
AL1607_PROB50_F00_sm1.gif
AL1607_PROB50_F00_sm2.gif
AL1607_PROB50_F00_sm.gif
AL1607_PROB50_F108.gif
AL1607_PROB50_F108_sm1.gif
AL1607_PROB50_F108_sm2.gif
AL1607_PROB50_F108_sm.gif
AL1607_PROB50_F120.gif
AL1607_PROB50_F120_sm1.gif
AL1607_PROB50_F120_sm2.gif
AL1607_PROB50_F120_sm.gif
AL1607_PROB50_F12.gif
AL1607_PROB50_F12_sm1.gif
AL1607_PROB50_F12_sm2.gif
AL1607_PROB50_F12_sm.gif
AL1607_PROB50_F24.gif
AL1607_PROB50_F24_sm1.gif
AL1607_PROB50_F24_sm2.gif
AL1607_PROB50_F24_sm.gif
AL1607_PROB50_F36.gif
AL1607_PROB50_F36_sm1.gif
AL1607_PROB50_F36_sm2.gif
AL1607_PROB50_F36_sm.gif
AL1607_PROB50_F48.gif
AL1607_PROB50_F48_sm1.gif
AL1607_PROB50_F48_sm2.gif
AL1607_PROB50_F48_sm.gif
AL1607_PROB50_F60.gif
AL1607_PROB50_F60_sm1.gif
AL1607_PROB50_F60_sm2.gif
AL1607_PROB50_F60_sm.gif
AL1607_PROB50_F72.gif
AL1607_PROB50_F72_sm1.gif
AL1607_PROB50_F72_sm2.gif
AL1607_PROB50_F72_sm.gif
AL1607_PROB50_F84.gif
AL1607_PROB50_F84_sm1.gif
AL1607_PROB50_F84_sm2.gif
AL1607_PROB50_F84_sm.gif
AL1607_PROB50_F96.gif
AL1607_PROB50_F96_sm1.gif
AL1607_PROB50_F96_sm2.gif
AL1607_PROB50_F96_sm.gif
AL1607_PROB64_F00.gif
AL1607_PROB64_F00_sm1.gif
AL1607_PROB64_F00_sm2.gif
AL1607_PROB64_F00_sm.gif
AL1607_PROB64_F108.gif
AL1607_PROB64_F108_sm1.gif
AL1607_PROB64_F108_sm2.gif
AL1607_PROB64_F108_sm.gif
AL1607_PROB64_F120.gif
AL1607_PROB64_F120_sm1.gif
AL1607_PROB64_F120_sm2.gif
AL1607_PROB64_F120_sm.gif
AL1607_PROB64_F12.gif
AL1607_PROB64_F12_sm1.gif
AL1607_PROB64_F12_sm2.gif
AL1607_PROB64_F12_sm.gif
AL1607_PROB64_F24.gif
AL1607_PROB64_F24_sm1.gif
AL1607_PROB64_F24_sm2.gif
AL1607_PROB64_F24_sm.gif
AL1607_PROB64_F36.gif
AL1607_PROB64_F36_sm1.gif
AL1607_PROB64_F36_sm2.gif
AL1607_PROB64_F36_sm.gif
AL1607_PROB64_F48.gif
AL1607_PROB64_F48_sm1.gif
AL1607_PROB64_F48_sm2.gif
AL1607_PROB64_F48_sm.gif
AL1607_PROB64_F60.gif
AL1607_PROB64_F60_sm1.gif
AL1607_PROB64_F60_sm2.gif
AL1607_PROB64_F60_sm.gif
AL1607_PROB64_F72.gif
AL1607_PROB64_F72_sm1.gif
AL1607_PROB64_F72_sm2.gif
AL1607_PROB64_F72_sm.gif
AL1607_PROB64_F84.gif
AL1607_PROB64_F84_sm1.gif
AL1607_PROB64_F84_sm2.gif
AL1607_PROB64_F84_sm.gif
AL1607_PROB64_F96.gif
AL1607_PROB64_F96_sm1.gif
AL1607_PROB64_F96_sm2.gif
AL1607_PROB64_F96_sm.gif
AL1607R.gif
AL1607R_sm1.gif 
AL1607R_sm2.gif
AL1607R_sm.gif
AL1607S.gif
AL1607S_sm1.gif
AL1607S_sm2.gif
AL1607S_sm.gif
AL1607T.gif
AL1607T_sm1.gif
AL1607T_sm2.gif
AL1607T_sm.gif
AL1607W5.gif
AL1607W5_NL.gif
AL1607W5_NL_sm1.gif
AL1607W5_NL_sm2.gif
AL1607W5_NL_sm.gif
AL1607W5_sm1.gif
AL1607W5_sm2.gif
AL1607W5_sm.gif
AL1607W.gif
AL1607W_NL.gif
AL1607W_NL_sm1.gif
AL1607W_NL_sm2.gif
AL1607W_NL_sm.gif
AL1607W_sm1.gif
AL1607W_sm2.gif
AL1607W_sm.gif


Updated: 8 April 2008 / CJ