UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for CYXY... Searching the city database file for: CYXY ... Date:0000Z 29 DEC 25 Station: CYXY WMO ident: 71964 Latitude: 60.73 Longitude: -135.07 Elevation: 707.00 ------------------------------------------------------------------------------- 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 125 SFC 925 707 -22.1 -25.1 77 3.0 -22.5 340 4 256.7 256.8 255.7 258.2 0.54 2 850 1321 -26.7 -29.3 79 2.6 -26.9 340 18 258.2 258.2 256.5 259.3 0.40 3 807 1694 -28.9 -31.8 76 2.9 -29.2 341 13 259.7 259.8 257.6 260.6 0.33 4 783 1912 -24.9 -27.6 78 2.7 -25.2 307 13 266.2 266.3 263.0 267.7 0.51 5 774 1995 -25.3 -28.0 78 2.7 -25.6 267 13 266.7 266.8 263.3 268.1 0.49 6 766 2072 -20.7 -22.9 82 2.2 -21.1 230 13 272.4 272.6 267.8 274.7 0.79 7 757 2160 -16.3 -17.7 89 1.4 -16.6 210 18 278.1 278.3 272.2 281.8 1.26 8 731 2425 -10.7 -11.6 93 0.9 -11.0 210 46 287.1 287.4 278.3 293.4 2.15 9 700 2759 -9.7 -10.8 92 1.1 -10.1 215 60 291.7 292.2 280.8 298.9 2.39 10 698 2781 -9.7 -10.8 92 1.1 -10.1 215 60 292.0 292.4 281.0 299.2 2.40 11 625 3630 -11.7 -13.4 87 1.7 -12.2 234 64 299.1 299.5 283.7 305.8 2.17 12 564 4409 -16.9 -21.0 70 4.1 -17.9 240 70 301.9 302.1 283.8 305.9 1.27 13 539 4747 -19.7 -22.3 80 2.6 -20.3 240 72 302.5 302.7 283.9 306.3 1.19 14 500 5300 -24.3 -27.2 77 2.9 -24.8 240 71 303.4 303.6 283.8 306.1 0.82 15 400 6890 -36.5 -40.6 66 4.1 -36.8 250 79 307.6 307.6 284.8 308.5 0.28 16 373 7370 -40.7 -45.2 62 4.5 -41.0 247 80 308.2 308.2 284.9 308.8 0.18 17 345 7896 -44.9 -49.0 63 4.1 -45.1 247 82 309.5 309.5 285.3 309.9 0.13 18 337 8052 -46.1 -52.1 51 6.0 -46.3 248 84 309.9 309.9 285.4 310.2 0.09 19 332 8151 -46.7 -51.0 61 4.3 -46.9 249 85 310.4 310.4 285.6 310.8 0.11 20 324 8313 -47.7 -53.7 50 6.0 -47.9 251 86 311.2 311.2 285.8 311.5 0.08 21 319 8415 -47.1 -60.1 21 13.0 -47.4 252 87 313.4 313.4 286.6 313.6 0.04 22 300 8820 -49.1 -62.1 21 13.0 -49.4 255 91 316.1 316.2 287.5 316.3 0.03 23 275 9387 -52.5 -66.5 17 14.0 -52.7 255 96 319.2 319.2 288.5 319.3 0.02 24 266 9601 -53.1 -68.5 14 15.4 -53.4 255 98 321.3 321.3 289.2 321.4 0.01 25 250 10000 -54.3 -72.3 9 18.0 -54.5 260 87 325.3 325.3 290.4 325.4 0.01 26 231 10504 -55.3 -74.3 8 19.0 -55.5 260 90 331.3 331.3 292.0 331.3 0.01 27 227 10616 -53.9 -75.9 5 22.0 -54.2 260 93 335.1 335.1 293.1 335.1 0.01 28 205 11264 -57.3 -79.3 5 22.0 -57.5 255 72 339.6 339.6 294.2 339.6 0.00 29 200 11420 -56.1 -80.1 3 24.0 -56.3 260 73 343.9 343.9 295.3 343.9 0.00 30 196 11549 -54.9 -80.9 3 26.0 -55.2 260 73 347.8 347.8 296.1 347.8 0.00 31 175 12271 -56.9 -82.9 2 26.0 -57.2 257 76 356.0 356.0 297.9 356.0 0.00 32 167 12569 -55.5 -82.5 2 27.0 -55.8 256 77 363.1 363.1 299.3 363.1 0.00 33 157 12961 -58.1 -84.1 2 26.0 -58.3 260 76 365.2 365.2 299.7 365.2 0.00 34 150 13250 -55.5 -83.5 2 28.0 -55.8 270 73 374.5 374.5 301.4 374.5 0.00 35 149 13293 -54.7 -82.7 2 28.0 -55.1 269 75 376.5 376.5 301.7 376.6 0.00 36 132 14063 -57.1 -84.1 2 27.0 -57.4 279 67 385.5 385.5 303.1 385.6 0.00 37 114 14992 -56.1 -84.1 2 28.0 -56.5 276 61 403.9 403.9 305.7 403.9 0.00 38 107 15393 -57.7 -84.7 2 27.0 -58.0 280 70 408.3 408.3 306.3 408.3 0.00 39 100 15820 -56.9 -84.9 2 28.0 -57.3 285 64 417.8 417.8 307.4 417.8 0.00 40 93 16277 -58.5 -85.5 2 27.0 -58.9 288 65 423.4 423.4 308.1 423.4 0.00 41 70 18090 -51.5 -84.5 1 33.0 -52.6 305 74 474.2 474.2 313.0 474.2 0.00 42 69 18183 -51.1 -84.1 1 33.0 -52.2 305 74 477.0 477.0 313.2 477.0 0.00 43 53 19901 -49.9 -83.9 1 34.0 -51.5 296 59 517.2 517.2 316.1 517.2 0.01 44 50 20280 -52.3 -84.3 1 32.0 -53.7 295 60 520.2 520.2 316.3 520.3 0.01 45 49 20410 -53.1 -85.1 1 32.0 -54.4 300 57 521.3 521.3 316.4 521.4 0.01 46 35 22603 -47.3 -83.3 1 36.0 -50.2 307 63 589.1 589.1 320.1 589.2 0.01 47 33 22990 -49.7 -83.7 1 34.0 -52.2 316 68 592.8 592.8 320.3 592.8 0.01 48 31 23402 -45.7 -82.7 1 37.0 -49.3 319 62 614.3 614.3 321.2 614.4 0.01 49 30 23620 -46.5 -82.5 1 36.0 -50.0 320 59 617.9 617.9 321.4 618.0 0.01 50 20 26280 -51.7 -85.7 1 34.0 -54.7 340 96 677.9 677.9 323.7 678.0 0.01 51 18 26962 -52.7 -85.7 1 33.0 -55.6 340 93 695.5 695.5 324.3 695.6 0.01 52 13 29087 -47.5 -83.5 1 36.0 -53.1 342 91 781.4 781.4 326.8 781.6 0.03 53 11 30179 -52.3 -85.3 1 33.0 -56.6 315 49 802.2 802.2 327.3 802.4 0.02 54 10 30800 -49.1 -85.1 1 36.0 -54.9 325 72 836.3 836.3 328.1 836.5 0.03 55 9.6 31070 -46.3 -84.3 1 38.0 -53.5 856.7 856.7 328.5 857.0 0.03 56 8.8 31644 -48.9 -83.9 1 35.0 -55.3 868.2 868.2 328.8 868.6 0.04 57 7.9 32354 -48.5 -84.5 1 36.0 -55.5 897.0 897.0 329.4 897.4 0.04 58 7.6 32612 -43.1 -83.1 0 40.0 -53.0 928.8 928.8 329.9 929.3 0.05 59 6.8 33366 -40.1 -81.1 0 41.0 -52.2 971.3 971.3 330.7 972.2 0.08 60 5.2 35162 -49.1 -85.1 1 36.0 -57.5 1008.2 1008.3 331.3 1008.8 0.05 TRP 205 11264 -57.3 -79.3 5 22.0 -57.5 255 72 339.6 339.6 294.2 339.6 0.00 WND 266 9601 -53.1 -68.5 14 15.4 -53.4 255 98 321.3 321.3 289.2 321.4 0.01 Sounding variables and indices 1000-500 mb thick: 5175.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.25 inches Sfc-500 mean rel hum: 81.85 % Est. max temperature: -12.39 C = 9.70 F Sfc-Lift cond lev (LCL): 880.09 mb = 1068.40 m = 3505.20 ft T: -24.81 C 700-500 lapse rate: 5.75 C/km Conv cond level (CCL): 813.05 mb = 1640.26 m = 5381.35 ft Mean mixing ratio: 0.44 g/kg Conv temperature: -19.39 C = -2.91 F Cap Strength: 36.53 C Lifted Index: 36.50 C Risk: None Lifted Index @300 mb: 40.53 C Lifted Index @700 mb: 30.04 C Showalter Index: 36.24 C Risk: None Total Totals Index: -7.40 C Risk: None Vertical Totals Index: -2.40 C Cross Totals Index: -5.00 C K Index: -32.80 Risk: None Sweat Index: 107.00 Risk: None Energy Index: 10.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.35 J/kg Max Up Vert Vel: 3.83 m/s Conv Inhibition (B-): 101774.36 J/kg Cap Strength: 36.53 C Lift Cond Lev (LCL): 835.90 mb = 1441.16 m = 4728.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 40 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 ---------------------------------------------------------- 0 925 707 340 4 1.4 -3.8 | 83 39 -39.1 -4.8 1 899 914 355 16 1.4 -15.9 | 66 43 -39.0 -17.0 2 862 1219 345 18 4.7 -17.4 | 63 40 -35.8 -18.5 3 850 1321 340 18 6.2 -16.9 | 62 39 -34.3 -18.0 4 827 1524 320 13 8.4 -10.0 | 71 34 -32.1 -11.0 5 794 1829 355 13 1.1 -13.0 | 70 42 -39.3 -14.0 6 762 2134 210 13 6.5 11.3 | 107 35 -33.9 10.2 7 731 2438 210 46 23.0 39.8 | 156 42 -17.4 38.7 8 701 2743 215 61 35.0 50.0 | 174 49 -5.4 48.9 9 700 2759 215 60 34.4 49.1 | 173 48 -6.0 48.1 10 621 3658 235 64 52.4 36.7 | 199 38 12.0 35.6 11 573 4267 240 69 59.8 34.5 | 210 39 19.3 33.4 12 529 4877 240 73 63.2 36.5 | 213 42 22.8 35.4 13 500 5300 240 71 61.5 35.5 | 211 40 21.1 34.4 14 447 6096 240 78 67.5 39.0 | 216 47 27.1 37.9 15 400 6890 250 79 74.2 27.0 | 233 43 33.8 25.9 16 359 7620 245 80 72.5 33.8 | 224 46 32.1 32.7 17 300 8820 255 91 87.9 23.6 | 245 53 47.5 22.5 18 285 9144 255 93 89.8 24.1 | 245 54 49.4 23.0 19 266 9601 255 98 94.7 25.4 | 246 59 54.2 24.3 20 260 9754 255 98 94.7 25.4 | 246 59 54.2 24.3 21 250 10000 260 87 85.7 15.1 | 253 47 45.3 14.0 22 236 10363 260 86 84.7 14.9 | 253 46 44.3 13.8 23 225 10668 260 94 92.6 16.3 | 254 54 52.1 15.2 24 205 11264 255 72 69.5 18.6 | 239 34 29.1 17.5 25 205 11278 260 71 69.9 12.3 | 249 32 29.5 11.2 26 200 11420 260 73 71.9 12.7 | 250 34 31.5 11.6 27 161 12802 255 78 75.3 20.2 | 241 40 34.9 19.1 28 150 13250 270 73 73.0 -0.0 | 272 33 32.6 -1.1 29 146 13411 265 79 78.7 6.9 | 261 39 38.3 5.8 30 139 13716 280 70 68.9 -12.2 | 295 31 28.5 -13.2 31 115 14935 275 60 59.8 -5.2 | 288 20 19.3 -6.3 32 110 15240 280 68 67.0 -11.8 | 296 30 26.5 -12.9 33 104 15545 280 73 71.9 -12.7 | 294 34 31.5 -13.8 34 100 15820 285 64 61.8 -16.6 | 310 28 21.4 -17.7 35 95 16154 285 65 62.8 -16.8 | 309 29 22.4 -17.9 36 78 17374 310 61 46.7 -39.2 | 351 41 6.3 -40.3 37 75 17678 305 57 46.7 -32.7 | 349 34 6.3 -33.8 38 70 18090 305 74 60.6 -42.4 | 335 48 20.2 -43.5 39 68 18288 305 74 60.6 -42.4 | 335 48 20.2 -43.5 40 62 18898 300 58 50.2 -29.0 | 342 32 9.8 -30.1 41 50 20280 295 60 54.4 -25.4 | 332 30 14.0 -26.4 42 49 20422 300 57 49.4 -28.5 | 343 31 8.9 -29.6 43 45 21031 310 82 62.8 -52.7 | 337 58 22.4 -53.8 44 43 21336 310 74 56.7 -47.6 | 342 51 16.3 -48.7 45 41 21641 320 72 46.3 -55.2 | 354 57 5.9 -56.2 46 37 22250 310 59 45.2 -37.9 | 353 39 4.8 -39.0 47 35 22555 305 62 50.8 -35.6 | 344 38 10.4 -36.7 48 34 22860 315 70 49.5 -49.5 | 350 51 9.1 -50.6 49 30 23620 320 59 37.9 -45.2 | 3 46 -2.5 -46.3 50 29 23774 310 56 42.9 -36.0 | 356 37 2.5 -37.1 51 24 24994 330 77 38.5 -66.7 | 2 68 -1.9 -67.8 52 20 26280 340 96 32.8 -90.2 | 5 92 -7.6 -91.3 53 19 26518 330 89 44.5 -77.1 | 357 78 4.1 -78.2 54 17 27432 350 97 16.8 -95.5 | 14 99 -23.6 -96.6 55 16 27737 350 104 18.1 -102.4 | 12 106 -22.4 -103.5 56 15 28346 335 98 41.4 -88.8 | 359 90 1.0 -89.9 57 13 28956 345 96 24.8 -92.7 | 9 95 -15.6 -93.8 58 11 30175 315 49 34.6 -34.6 | 9 36 -5.8 -35.7 59 10 30800 325 72 41.3 -59.0 | 359 60 0.9 -60.1 Wind Parameters Mean winds (0-6000m): 238.5 at 53.9 knts Storm direction: 268.5 at 40.4 knts Shear (0-3000m) pos: 7.9 neg: 6.2 tot: 14.0 10-3/s Storm rel Dir Shear (0-3000m): 116.6 deg Storm rel helicity (0-3000m) pos: 885.0 neg: -158.0 tot: 727.1 m^2/s^2 ave: 242.4 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 22.4 stream: 12.7 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.02 Bulk Shear: 486.36 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 ------------------------------------------------------------------------------- 500 351 14 69 41| 14.3 0.0 14.3| 0.0-151.8-151.8 -303.7 -0.92| 15.9-14.6 1000 342 15 67 39| 7.2 2.6 9.8| 46.7-158.0-111.2 -111.2 -0.35| 14.6 -5.1 1500 336 14 68 37| 4.8 12.3 17.1|272.1-158.0 114.2 76.1 0.26| 23.5 6.0 2000 257 22 101 20| 8.0 9.3 17.3|649.7-158.0 491.7 245.9 0.50| 27.6 13.8 2500 234 29 134 23| 7.9 7.4 15.3|774.1-158.0 616.1 246.4 0.54| 24.5 13.1 3000 233 35 148 24| 7.9 6.2 14.0|885.0-158.0 727.1 242.4 0.57| 22.4 12.7 4000 235 43 168 24| 7.1 4.6 11.7|970.2-158.0 812.2 203.1 0.59| 18.1 10.6 5000 237 49 181 26| 5.7 3.9 9.6|993.1-167.1 825.9 165.2 0.57| 15.1 8.6 6000 238 54 192 28| 5.4 3.2 8.7|1129.9-167.1 962.8 160.5 0.59| 13.8 8.2 Wrote GIF file: /home/apache/climate/data/raob//CYXY/skewt/CYXY.skewt.20251229.00.gif