UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020032900.upa.cvt Date: 0000Z 29 MAR 20 Searching for CYAH... Searching the city database file for: CYAH ... Date:0000Z 29 MAR 20 Station: CYAH WMO ident: 71823 Latitude: 53.75 Longitude: -73.68 Elevation: 306.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 121 SFC 978 306 -3.1 -4.7 89 1.6 -3.7 215 6 271.8 272.2 270.7 279.3 2.75 2 958 463 -3.9 -6.6 81 2.7 -4.8 223 10 272.6 273.0 270.7 279.3 2.43 3 930 688 -5.1 -7.3 85 2.2 -5.8 243 17 273.7 274.1 271.3 280.2 2.37 4 925 729 -5.3 -7.6 84 2.3 -6.0 250 18 273.9 274.3 271.4 280.3 2.33 5 917 797 -5.3 -7.6 84 2.3 -6.1 256 20 274.6 275.0 271.8 281.1 2.35 6 875 1165 -7.3 -9.4 85 2.1 -7.9 273 26 276.2 276.6 272.4 282.2 2.14 7 850 1391 -8.7 -10.9 84 2.2 -9.4 275 25 277.0 277.4 272.6 282.6 1.95 8 770 2152 -13.1 -15.8 80 2.7 -13.7 275 21 280.2 280.5 273.7 284.5 1.45 9 740 2454 -15.3 -17.7 82 2.4 -15.9 275 22 281.0 281.3 273.9 284.8 1.28 10 731 2546 -15.9 -18.4 81 2.5 -16.4 275 23 281.4 281.6 274.0 285.0 1.22 11 721 2650 -15.5 -18.4 78 2.9 -16.2 275 24 282.9 283.1 274.9 286.6 1.24 12 700 2873 -17.1 -21.3 70 4.2 -18.0 275 24 283.5 283.7 274.9 286.5 1.00 13 663 3278 -19.7 -26.7 54 7.0 -20.8 276 22 285.1 285.2 275.1 287.1 0.65 14 604 3964 -24.7 -29.5 64 4.8 -25.4 289 27 287.0 287.1 276.0 288.7 0.55 15 531 4888 -31.9 -38.9 50 7.0 -32.5 285 31 289.1 289.2 276.6 289.9 0.25 16 507 5213 -34.9 -40.9 54 6.0 -35.3 285 28 289.3 289.4 276.7 290.0 0.21 17 500 5310 -35.5 -42.5 49 7.0 -36.0 285 27 289.8 289.8 276.8 290.4 0.18 18 434 6280 -42.1 -53.1 29 11.0 -42.5 281 34 293.3 293.4 278.4 293.6 0.06 19 427 6390 -41.9 -53.9 26 12.0 -42.3 282 37 295.0 295.0 279.1 295.2 0.06 20 400 6830 -43.1 -56.1 23 13.0 -43.5 285 52 299.0 299.0 281.0 299.1 0.05 21 350 7721 -47.1 -62.1 16 15.0 -47.4 290 57 305.2 305.2 283.5 305.3 0.03 22 345 7816 -47.3 -62.3 16 15.0 -47.6 288 58 306.2 306.2 283.9 306.3 0.03 23 339 7932 -47.1 -62.1 16 15.0 -47.4 286 59 308.0 308.0 284.6 308.1 0.03 24 318 8355 -47.5 -63.5 14 16.0 -47.9 280 64 313.1 313.1 286.5 313.2 0.02 25 312 8481 -47.3 -63.3 14 16.0 -47.7 280 68 315.1 315.1 287.2 315.2 0.02 26 300 8740 -47.9 -63.9 14 16.0 -48.3 280 73 317.8 317.8 288.1 317.9 0.02 27 277 9264 -48.7 -64.7 14 16.0 -49.1 284 73 324.0 324.0 290.0 324.1 0.02 28 261 9656 -47.7 -67.7 8 20.1 -48.1 280 79 331.1 331.1 292.0 331.2 0.02 29 250 9940 -46.9 -69.9 6 23.0 -47.4 280 76 336.3 336.3 293.4 336.4 0.01 30 249 9967 -46.9 -69.9 6 23.0 -47.4 280 76 336.7 336.7 293.5 336.8 0.01 31 226 10610 -48.1 -73.1 4 25.0 -48.6 280 72 344.4 344.4 295.4 344.4 0.01 32 210 11097 -47.1 -74.1 3 27.0 -47.7 277 74 353.2 353.2 297.3 353.3 0.01 33 203 11321 -47.9 -74.9 3 27.0 -48.5 272 71 355.4 355.4 297.8 355.4 0.01 34 200 11420 -47.9 -75.9 3 28.0 -48.5 270 70 356.9 356.9 298.1 356.9 0.01 35 186 11898 -47.1 -76.1 2 29.0 -47.8 270 72 365.7 365.7 299.8 365.7 0.01 36 171 12451 -48.7 -79.7 2 31.0 -49.4 270 74 371.9 371.9 300.9 372.0 0.00 37 167 12606 -47.7 -78.7 2 31.0 -48.4 270 74 376.1 376.1 301.6 376.2 0.00 38 150 13310 -49.5 -81.5 1 32.0 -50.2 270 66 384.8 384.8 303.0 384.8 0.00 39 147 13442 -50.3 -82.3 1 32.0 -51.0 270 66 385.6 385.6 303.1 385.6 0.00 40 142 13668 -50.1 -82.1 1 32.0 -50.8 268 66 389.8 389.8 303.8 389.8 0.00 41 120 14759 -54.1 -85.1 1 31.0 -54.6 259 67 401.7 401.7 305.5 401.7 0.00 42 119 14812 -54.1 -85.1 1 31.0 -54.6 259 67 402.7 402.7 305.6 402.7 0.00 43 114 15088 -53.7 -84.7 1 31.0 -54.2 256 66 408.4 408.4 306.3 408.4 0.00 44 112 15202 -53.3 -84.3 1 31.0 -53.9 255 65 411.2 411.2 306.7 411.2 0.00 45 110 15318 -53.7 -84.7 1 31.0 -54.3 256 66 412.6 412.6 306.8 412.6 0.00 46 108 15436 -53.3 -84.3 1 31.0 -53.9 256 67 415.5 415.5 307.2 415.5 0.00 47 106 15556 -53.9 -84.9 1 31.0 -54.5 257 69 416.6 416.6 307.3 416.6 0.00 48 105 15617 -53.5 -84.5 1 31.0 -54.1 258 69 418.5 418.5 307.5 418.5 0.00 49 100 15930 -55.5 -85.5 1 30.0 -56.0 260 73 420.5 420.5 307.8 420.5 0.00 50 99 15994 -55.7 -85.7 1 30.0 -56.2 260 73 421.3 421.3 307.9 421.3 0.00 51 98 16059 -55.9 -85.9 1 30.0 -56.4 260 72 422.2 422.2 308.0 422.2 0.00 52 96 16190 -54.9 -85.9 1 31.0 -55.5 261 72 426.6 426.6 308.4 426.6 0.00 53 95 16257 -55.1 -86.1 1 31.0 -55.6 262 72 427.5 427.5 308.6 427.5 0.00 54 88 16744 -55.7 -86.7 1 31.0 -56.3 262 72 435.7 435.8 309.4 435.8 0.00 55 87 16817 -55.9 -86.9 1 31.0 -56.5 261 71 436.8 436.8 309.6 436.8 0.00 56 85 16965 -55.1 -86.1 1 31.0 -55.7 260 71 441.3 441.3 310.0 441.3 0.00 57 84 17041 -55.1 -86.1 1 31.0 -55.7 259 70 442.8 442.8 310.1 442.8 0.00 58 75 17757 -59.3 -89.3 1 30.0 -59.7 251 69 448.6 448.6 310.7 448.6 0.00 59 75 17757 -59.1 -89.1 1 30.0 -59.5 251 69 449.0 449.0 310.8 449.0 0.00 60 72 18013 -58.5 -88.5 1 30.0 -59.0 257 75 455.5 455.5 311.4 455.6 0.00 61 71 18101 -58.3 -88.3 1 30.0 -58.8 258 76 457.8 457.8 311.5 457.8 0.00 62 70 18190 -57.1 -88.1 1 31.0 -57.7 260 78 462.2 462.2 312.0 462.2 0.00 63 67 18468 -55.5 -86.5 1 31.0 -56.2 263 81 471.5 471.5 312.8 471.5 0.00 64 66 18564 -55.3 -86.3 1 31.0 -56.1 262 81 474.0 474.0 313.0 474.0 0.00 65 62 18961 -57.9 -87.9 1 30.0 -58.5 258 81 476.8 476.8 313.2 476.8 0.00 66 61 19063 -58.1 -88.1 1 30.0 -58.7 257 81 478.6 478.6 313.3 478.6 0.00 67 57 19492 -57.1 -87.1 1 30.0 -57.8 256 80 490.2 490.2 314.2 490.2 0.00 68 57 19492 -56.9 -87.9 1 31.0 -57.6 256 80 490.7 490.7 314.2 490.7 0.00 69 53 19952 -58.1 -88.1 1 30.0 -58.8 258 79 498.2 498.2 314.8 498.2 0.00 70 50 20320 -56.5 -87.5 1 31.0 -57.3 260 78 510.3 510.3 315.7 510.4 0.00 71 48 20578 -56.1 -87.1 1 31.0 -57.1 259 76 517.3 517.3 316.1 517.3 0.00 72 48 20578 -55.9 -86.9 1 31.0 -56.9 259 76 517.8 517.8 316.2 517.8 0.00 73 34 22736 -61.9 -90.9 1 29.0 -62.6 245 73 555.6 555.6 318.4 555.7 0.00 74 33 22921 -61.9 -90.9 1 29.0 -62.6 243 74 560.4 560.4 318.6 560.4 0.00 75 32 23111 -60.9 -89.9 1 29.0 -61.7 241 75 568.0 568.0 319.0 568.1 0.00 76 32 23111 -61.5 -90.5 1 29.0 -62.2 241 75 566.4 566.4 319.0 566.4 0.00 77 31 23307 -61.9 -90.9 1 29.0 -62.6 240 78 570.5 570.5 319.2 570.5 0.00 78 30 23510 -61.5 -90.5 1 29.0 -62.3 240 82 577.0 577.0 319.5 577.0 0.00 79 30 23510 -61.7 -90.7 1 29.0 -62.4 240 82 576.4 576.4 319.5 576.5 0.00 80 29 23720 -61.9 -90.9 1 29.0 -62.7 241 83 581.5 581.5 319.8 581.5 0.00 81 28 23937 -60.9 -89.9 1 29.0 -61.8 242 84 590.1 590.1 320.2 590.2 0.00 82 27 24163 -61.9 -90.9 1 29.0 -62.7 244 86 593.5 593.5 320.3 593.5 0.00 83 26 24397 -60.9 -89.9 1 29.0 -61.9 245 87 602.8 602.8 320.7 602.8 0.00 84 24 24892 -62.9 -90.9 1 28.0 -63.7 241 92 610.9 610.9 321.1 611.0 0.00 85 24 24892 -63.5 -91.5 1 28.0 -64.3 241 92 609.2 609.2 321.0 609.2 0.00 86 20 26030 -56.7 -87.7 1 31.0 -58.6 255 96 662.6 662.6 323.2 662.7 0.01 87 18 26704 -54.3 -86.3 1 32.0 -56.9 257 95 690.5 690.5 324.1 690.6 0.01 88 18 26704 -54.3 -86.3 1 32.0 -56.9 257 95 690.5 690.5 324.1 690.6 0.01 89 17 27071 -54.9 -84.9 1 30.0 -57.4 251 94 699.9 699.9 324.4 700.0 0.02 90 16 27461 -53.3 -85.3 1 32.0 -56.3 246 96 717.4 717.4 325.0 717.5 0.02 91 15 27878 -52.7 -84.7 1 32.0 -56.1 250 94 732.7 732.7 325.4 732.9 0.02 92 14 28323 -54.9 -85.9 1 31.0 -57.8 250 94 739.9 739.9 325.7 740.0 0.02 93 13 28802 -50.5 -83.5 1 33.0 -55.0 251 97 771.0 771.0 326.5 771.2 0.03 94 13 28802 -50.5 -83.5 1 33.0 -55.0 251 97 771.0 771.0 326.5 771.2 0.03 95 12 29324 -51.1 -83.1 1 32.0 -55.6 254 99 786.7 786.7 326.9 787.0 0.03 96 12 29324 -51.1 -83.1 1 32.0 -55.6 254 99 786.7 786.7 326.9 787.0 0.03 97 11 29898 -45.9 -79.9 1 34.0 -52.8 246 61 825.4 825.4 327.8 826.0 0.06 98 11 29898 -45.5 -79.5 1 34.0 -52.5 246 61 826.9 826.9 327.9 827.5 0.07 99 10 30530 -48.9 -80.9 1 32.0 -54.8 245 76 837.0 837.0 328.1 837.6 0.06 100 9.8 30662 -49.9 -81.9 1 32.0 -55.5 245 77 838.1 838.1 328.1 838.6 0.05 101 9.6 30797 -47.7 -80.7 1 33.0 -54.3 246 77 851.4 851.4 328.4 852.0 0.06 102 9.5 30866 -48.1 -81.1 1 33.0 -54.5 246 78 852.4 852.4 328.5 853.0 0.06 103 8.4 31671 -50.9 -82.9 1 32.0 -56.6 247 81 872.0 872.0 328.9 872.4 0.05 104 8.3 31749 -50.5 -82.5 1 32.0 -56.4 248 82 876.5 876.6 329.0 877.1 0.05 105 8.2 31828 -49.9 -81.9 1 32.0 -56.1 248 82 881.9 882.0 329.1 882.5 0.06 106 8.0 31989 -49.9 -81.9 1 32.0 -56.2 248 83 888.2 888.2 329.2 888.8 0.06 107 7.7 32239 -49.5 -82.5 1 33.0 -56.1 249 84 899.6 899.6 329.4 900.2 0.06 108 7.1 32768 -51.1 -83.1 1 32.0 -57.3 250 87 914.1 914.1 329.7 914.7 0.06 109 7.0 32860 -51.1 -83.1 1 32.0 -57.3 250 87 917.8 917.8 329.8 918.4 0.06 110 6.9 32954 -51.5 -83.5 1 32.0 -57.6 919.9 920.0 329.8 920.5 0.05 111 6.0 33877 -43.5 -78.5 1 35.0 -54.2 992.0 992.1 331.1 993.7 0.14 112 5.6 34342 -42.5 -77.5 1 35.0 -54.1 1016.2 1016.3 331.5 1018.3 0.18 113 5.2 34845 -40.3 1047.9 TRP 350 7721 -47.1 -62.1 16 15.0 -47.4 290 57 305.2 305.2 283.5 305.3 0.03 WND 261 9656 -47.7 -67.7 8 20.1 -48.1 280 79 331.1 331.1 292.0 331.2 0.02 Sounding variables and indices 1000-500 mb thick: 5189.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 69.70 % Est. max temperature: 2.97 C = 37.35 F Sfc-Lift cond lev (LCL): 953.55 mb = 498.54 m = 1635.60 ft T: -4.09 C 700-500 lapse rate: 7.55 C/km ThetaE index: 0.06 C Layer 700.0- 663.0 mb Conv cond level (CCL): 855.08 mb = 1344.58 m = 4411.31 ft Mean mixing ratio: 2.37 g/kg Conv temperature: 1.96 C = 35.53 F Cap Strength: 7.81 C Lifted Index: 8.02 C Risk: None Lifted Index @300 mb: 26.49 C Lifted Index @700 mb: 5.20 C Showalter Index: 6.40 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 24.60 C K Index: 11.70 Risk: None Sweat Index: 125.00 Risk: None Energy Index: 1.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.02 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 65661.47 J/kg Cap Strength: 7.87 C Lift Cond Lev (LCL): 893.81 mb = 998.25 m = 3275.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 308 at 19 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 978 306 215 6 3.4 4.9 | 146 20 -11.2 16.3 1 940 610 230 14 10.7 9.0 | 169 21 -3.9 20.4 2 925 729 250 18 16.9 6.2 | 187 18 2.3 17.6 3 903 914 265 24 23.9 2.1 | 215 16 9.3 13.5 4 869 1219 275 27 26.9 -2.4 | 234 15 12.3 9.1 5 850 1391 275 25 24.9 -2.2 | 228 14 10.3 9.2 6 803 1829 275 19 18.9 -1.7 | 204 11 4.3 9.8 7 771 2134 275 21 20.9 -1.8 | 213 11 6.3 9.6 8 741 2438 275 22 21.9 -1.9 | 218 12 7.3 9.5 9 712 2743 275 25 24.9 -2.2 | 228 14 10.3 9.2 10 700 2873 275 24 23.9 -2.1 | 225 13 9.3 9.3 11 683 3048 280 23 22.7 -4.0 | 227 11 8.0 7.4 12 655 3353 275 22 21.9 -1.9 | 218 12 7.3 9.5 13 628 3658 275 26 25.9 -2.3 | 231 15 11.3 9.2 14 602 3962 290 27 25.4 -9.2 | 259 11 10.8 2.2 15 577 4267 285 29 28.0 -7.5 | 254 14 13.4 3.9 16 531 4877 285 31 29.9 -8.0 | 258 16 15.3 3.4 17 500 5310 285 27 26.1 -7.0 | 249 12 11.5 4.4 18 446 6096 280 28 27.6 -4.9 | 243 15 13.0 6.6 19 400 6830 285 52 50.2 -13.5 | 273 36 35.6 -2.0 20 389 7010 285 54 52.2 -14.0 | 274 38 37.6 -2.6 21 355 7620 290 55 51.7 -18.8 | 281 38 37.1 -7.4 22 350 7721 290 57 53.6 -19.5 | 282 40 39.0 -8.1 23 324 8230 280 61 60.1 -10.6 | 269 45 45.5 0.8 24 309 8534 280 69 68.0 -12.0 | 271 53 53.4 -0.6 25 300 8740 280 73 71.9 -12.7 | 271 57 57.3 -1.3 26 282 9144 285 71 68.6 -18.4 | 277 54 54.0 -7.0 27 261 9656 280 79 77.8 -13.7 | 272 63 63.2 -2.3 28 257 9754 280 79 77.8 -13.7 | 272 63 63.2 -2.3 29 250 9940 280 76 74.8 -13.2 | 272 60 60.2 -1.8 30 224 10668 280 72 70.9 -12.5 | 271 56 56.3 -1.1 31 214 10973 280 76 74.8 -13.2 | 272 60 60.2 -1.8 32 200 11420 270 70 70.0 -0.0 | 258 57 55.4 11.4 33 162 12802 270 75 75.0 -0.0 | 259 61 60.4 11.4 34 150 13310 270 66 66.0 -0.0 | 257 53 51.4 11.4 35 148 13411 270 66 66.0 -0.0 | 257 53 51.4 11.4 36 122 14630 260 68 67.0 11.8 | 246 57 52.4 23.2 37 111 15240 255 65 62.8 16.8 | 240 56 48.2 28.2 38 100 15930 260 73 71.9 12.7 | 247 62 57.3 24.1 39 97 16154 260 72 70.9 12.5 | 247 61 56.3 23.9 40 92 16459 265 73 72.7 6.4 | 253 61 58.1 17.8 41 80 17374 255 69 66.6 17.9 | 241 60 52.0 29.3 42 76 17678 250 68 63.9 23.3 | 235 60 49.3 34.7 43 70 18190 260 78 76.8 13.5 | 248 67 62.2 25.0 44 69 18288 265 81 80.7 7.1 | 254 69 66.1 18.5 45 60 19202 255 81 78.2 21.0 | 243 71 63.6 32.4 46 50 20320 260 78 76.8 13.5 | 248 67 62.2 25.0 47 42 21336 255 72 69.5 18.6 | 241 63 54.9 30.1 48 39 21946 255 69 66.6 17.9 | 241 60 52.0 29.3 49 37 22250 250 71 66.7 24.3 | 236 63 52.1 35.7 50 32 23165 240 75 65.0 37.5 | 226 70 50.4 48.9 51 30 23510 240 82 71.0 41.0 | 227 77 56.4 52.4 52 26 24384 245 87 78.8 36.8 | 233 80 64.2 48.2 53 24 24994 240 93 80.5 46.5 | 229 88 65.9 57.9 54 22 25298 250 103 96.8 35.2 | 240 95 82.2 46.7 55 21 25603 255 99 95.6 25.6 | 245 89 81.0 37.0 56 20 25908 255 99 95.6 25.6 | 245 89 81.0 37.0 57 20 26030 255 96 92.7 24.8 | 245 86 78.1 36.3 58 19 26213 255 104 100.5 26.9 | 246 94 85.9 38.3 59 19 26518 260 99 97.5 17.2 | 251 88 82.9 28.6 60 18 26822 255 93 89.8 24.1 | 245 83 75.2 35.5 61 16 27432 245 96 87.0 40.6 | 234 89 72.4 52.0 62 15 27737 250 94 88.3 32.1 | 239 86 73.7 43.6 63 13 28651 250 94 88.3 32.1 | 239 86 73.7 43.6 64 12 29261 255 106 102.4 27.4 | 246 96 87.8 38.9 65 11 29870 245 57 51.7 24.1 | 226 51 37.1 35.5 66 11 30175 250 90 84.6 30.8 | 239 82 70.0 42.2 67 10 30530 245 76 68.9 32.1 | 231 70 54.3 43.5 68 7 32860 250 87 81.8 29.8 | 238 79 67.2 41.2 Wind Parameters Mean winds (0-6000m): 278.0 at 24.7 knts Storm direction: 308.0 at 18.5 knts Shear (0-3000m) pos: 3.7 neg: 0.3 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 73.3 deg Storm rel helicity (0-3000m) pos: 148.1 neg: -25.6 tot: 122.4 m^2/s^2 ave: 40.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 39.87 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 236 13 168 19| 16.9 0.0 16.9| 90.8 0.0 90.8 181.5 0.96| 19.1 18.3 1000 258 19 194 16| 12.1 0.0 12.1|132.9 -1.8 131.1 131.1 0.92| 15.1 14.0 1500 265 20 202 14| 8.1 2.3 10.4|132.9 -19.7 113.3 75.5 0.60| 12.4 7.4 2000 268 20 204 13| 6.1 1.1 7.2|138.9 -19.7 119.3 59.6 0.62| 9.9 6.1 2500 269 21 208 13| 4.8 0.3 5.2|147.1 -20.0 127.2 50.9 0.63| 8.6 5.4 3000 271 21 211 13| 3.7 0.3 3.9|148.1 -25.6 122.4 40.8 0.54| 7.8 4.2 4000 274 22 219 13| 3.7 0.2 3.9|177.4 -28.4 148.9 37.2 0.55| 7.5 4.2 5000 277 24 227 13| 3.0 0.4 3.4|180.5 -35.6 144.9 29.0 0.49| 6.6 3.2 6000 278 25 231 13| 2.5 0.4 2.9|198.5 -39.8 158.7 26.4 0.46| 6.3 2.9 Wrote GIF file: /home/apache/climate/data/raob//CYAH/skewt/CYAH.skewt.20200329.00.gif