UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:1200Z 29 DEC 25 Station: CYCB WMO ident: 71925 Latitude: 69.10 Longitude: -105.12 Elevation: 27.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1035 27 -31.1 -34.2 74 3.1 -31.3 315 12 239.7 239.7 239.6 240.2 0.20 1 1032 48 -31.7 -34.7 75 3.0 -31.9 317 12 239.3 239.3 239.2 239.8 0.19 2 1028 76 -31.1 -34.5 72 3.4 -31.3 319 12 240.1 240.2 240.1 240.7 0.20 3 1015 169 -28.5 -29.5 91 1.0 -28.6 326 11 243.6 243.7 243.6 244.5 0.33 4 1010 206 -28.7 -28.9 98 0.2 -28.7 329 11 243.8 243.8 243.8 244.7 0.35 5 1008 220 -28.7 -28.9 98 0.2 -28.7 330 11 243.9 243.9 243.9 244.8 0.35 6 1005 242 -27.1 -28.0 92 0.9 -27.2 332 11 245.7 245.8 245.6 246.7 0.38 7 1000 279 -27.3 -28.0 94 0.7 -27.3 335 11 245.9 245.9 245.8 246.9 0.38 8 925 844 -25.1 -26.8 86 1.7 -25.3 360 17 253.6 253.7 252.9 254.9 0.46 9 908 979 -24.5 -27.7 75 3.2 -24.8 358 16 255.6 255.7 254.5 256.8 0.43 10 881 1198 -25.3 -27.2 84 1.9 -25.5 351 12 257.0 257.1 255.7 258.3 0.47 11 850 1458 -25.7 -32.7 52 7.0 -26.3 355 17 259.2 259.3 257.1 260.1 0.29 12 836 1578 -25.7 -33.7 47 8.0 -26.4 3 16 260.5 260.5 258.1 261.2 0.27 13 746 2394 -31.5 -34.8 73 3.3 -31.7 16 21 262.8 262.8 259.9 263.6 0.27 14 720 2645 -32.5 -38.5 55 6.0 -32.9 20 20 264.4 264.4 260.9 264.9 0.19 15 707 2773 -32.5 -44.5 29 12.0 -33.1 17 19 265.7 265.8 261.8 266.1 0.10 16 700 2843 -32.9 -43.9 32 11.0 -33.4 10 20 266.1 266.1 262.0 266.4 0.11 17 678 3067 -34.5 -47.5 26 13.0 -35.0 355 22 266.7 266.7 262.4 266.9 0.08 18 637 3500 -36.9 -54.9 14 18.0 -37.4 359 24 268.8 268.8 263.9 268.9 0.03 19 614 3753 -38.7 -49.7 30 11.0 -39.1 1 24 269.5 269.6 264.4 269.8 0.07 20 588 4048 -40.7 -52.7 26 12.0 -41.1 3 23 270.6 270.6 265.1 270.7 0.05 21 570 4259 -41.5 -55.5 21 14.0 -41.8 356 25 272.1 272.1 266.1 272.2 0.04 22 561 4367 -41.9 -46.9 58 5.0 -42.1 353 25 272.8 272.8 266.8 273.1 0.10 23 551 4488 -41.7 -49.7 42 8.0 -41.9 350 26 274.5 274.5 267.8 274.7 0.07 24 500 5140 -45.7 -51.7 51 6.0 -45.9 335 25 277.3 277.3 269.6 277.5 0.06 25 477 5453 -47.7 -51.9 62 4.2 -47.8 322 27 278.6 278.6 270.4 278.8 0.07 26 430 6133 -51.3 -60.3 33 9.0 -51.4 330 29 282.4 282.4 272.6 282.5 0.03 27 400 6600 -54.3 -62.3 37 8.0 -54.4 325 33 284.4 284.4 273.7 284.5 0.02 28 373 7044 -56.7 -64.7 36 8.0 -56.8 315 34 287.0 287.0 275.1 287.0 0.02 29 317 8072 -57.5 -69.5 20 12.0 -57.6 306 31 299.5 299.5 281.1 299.6 0.01 30 300 8420 -56.3 -71.3 14 15.0 -56.5 310 32 306.0 306.0 283.8 306.0 0.01 31 267 9166 -55.7 -77.7 5 22.0 -55.9 311 28 317.2 317.2 287.8 317.2 0.00 32 261 9312 -53.5 -78.5 3 25.0 -53.8 314 28 322.5 322.5 289.5 322.5 0.00 33 255 9462 -54.3 -79.3 3 25.0 -54.5 317 28 323.5 323.5 289.8 323.5 0.00 34 250 9590 -53.5 -79.5 3 26.0 -53.8 320 28 326.5 326.5 290.7 326.5 0.00 35 246 9694 -52.7 -79.7 2 27.0 -53.0 320 28 329.2 329.2 291.5 329.2 0.00 36 208 10769 -54.9 -81.9 2 27.0 -55.2 315 24 342.0 342.0 294.8 342.0 0.00 37 200 11020 -53.7 -81.7 2 28.0 -54.0 315 28 347.7 347.7 296.1 347.7 0.00 38 196 11150 -53.1 -82.1 2 29.0 -53.5 317 26 350.7 350.7 296.8 350.7 0.00 39 177 11801 -56.1 -83.1 2 27.0 -56.3 309 24 356.2 356.2 298.0 356.2 0.00 40 173 11946 -55.5 -82.5 2 27.0 -55.8 311 25 359.5 359.5 298.6 359.5 0.00 41 150 12850 -57.3 -84.3 2 27.0 -57.6 330 25 371.4 371.4 300.8 371.4 0.00 42 124 14049 -58.9 -84.9 2 26.0 -59.2 324 25 389.2 389.2 303.7 389.2 0.00 43 123 14100 -58.5 -85.5 2 27.0 -58.8 325 25 390.9 390.9 303.9 390.9 0.00 44 100 15390 -62.3 -86.3 3 24.0 -62.5 330 22 407.4 407.4 306.2 407.4 0.00 45 89 16109 -62.9 -86.9 3 24.0 -63.1 321 27 420.0 420.0 307.7 420.0 0.00 46 70 17570 -67.9 -88.9 3 21.0 -68.1 340 30 439.1 439.1 309.8 439.1 0.00 47 69 17656 -68.1 -89.1 3 21.0 -68.2 340 30 440.5 440.5 309.9 440.5 0.00 48 55 19017 -67.1 -89.1 3 22.0 -67.3 330 32 472.3 472.3 312.8 472.3 0.00 49 50 19590 -67.9 -89.9 3 22.0 -68.1 325 37 483.5 483.5 313.7 483.5 0.00 50 39 21075 -71.1 -91.1 4 20.0 -71.3 333 43 511.0 511.0 315.7 511.0 0.00 51 30 22640 -68.5 -90.5 3 22.0 -68.8 360 53 557.9 557.9 318.5 557.9 0.00 52 22 24515 -65.0 -90.5 2 25.5 -65.7 345 73 620.0 620.0 321.5 620.0 0.00 53 21 24799 -64.5 -90.5 2 26.0 -65.3 345 73 629.9 629.9 321.9 629.9 0.01 TRP 373 7044 -56.7 -64.7 36 8.0 -56.8 315 34 287.0 287.0 275.1 287.0 0.02 WND 22 24515 -65.0 -90.5 2 25.5 -65.7 345 73 620.0 620.0 321.5 620.0 0.00 Sounding variables and indices 1000-500 mb thick: 4861.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 52.45 % Est. max temperature: -13.82 C = 7.12 F Sfc-Lift cond lev (LCL): 981.89 mb = 411.46 m = 1349.93 ft T: -26.78 C 700-500 lapse rate: 5.57 C/km ThetaE index: 0.42 C Layer 1032.0-1028.0 mb Conv cond level (CCL): 1032.00 mb = 48.10 m = 157.79 ft Mean mixing ratio: 0.37 g/kg Conv temperature: -27.69 C = -17.84 F Cap Strength: 22.38 C Lifted Index: 24.07 C Risk: None Lifted Index @300 mb: 41.12 C Lifted Index @700 mb: 16.47 C Showalter Index: 14.22 C Risk: None Total Totals Index: 33.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 13.00 C K Index: -23.70 Risk: None Sweat Index: 59.00 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.39 J/kg Max Up Vert Vel: 9.42 m/s Conv Inhibition (B-): 55903.63 J/kg Cap Strength: 23.87 C Lift Cond Lev (LCL): 966.21 mb = 528.11 m = 1732.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 at 16 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 1035 27 315 12 8.5 -8.5 | 246 15 13.8 6.3 1 1000 279 335 11 4.6 -10.0 | 245 11 10.0 4.8 2 996 305 335 11 4.6 -10.0 | 245 11 10.0 4.8 3 955 610 360 10 -0.0 -10.0 | 228 7 5.4 4.7 4 925 844 360 17 -0.0 -17.0 | 293 6 5.4 -2.3 5 916 914 360 17 -0.0 -17.0 | 293 6 5.4 -2.3 6 878 1219 350 12 2.1 -11.8 | 249 8 7.4 2.9 7 850 1458 355 17 1.5 -16.9 | 288 7 6.8 -2.2 8 842 1524 5 16 -1.4 -15.9 | 287 4 4.0 -1.2 9 807 1829 355 14 1.2 -13.9 | 263 7 6.6 0.8 10 773 2134 355 22 1.9 -21.9 | 315 10 7.3 -7.2 11 741 2438 20 21 -7.2 -19.7 | 20 5 -1.8 -5.0 12 710 2743 20 19 -6.5 -17.9 | 20 3 -1.1 -3.1 13 700 2843 10 20 -3.5 -19.7 | 339 5 1.9 -5.0 14 679 3048 355 22 1.9 -21.9 | 315 10 7.3 -7.2 15 621 3658 360 25 -0.0 -25.0 | 332 12 5.4 -10.3 16 594 3962 5 23 -2.0 -22.9 | 338 9 3.3 -8.2 17 568 4267 355 25 2.2 -24.9 | 323 13 7.5 -10.2 18 520 4877 340 27 9.2 -25.4 | 306 18 14.6 -10.6 19 500 5140 335 25 10.6 -22.7 | 296 18 15.9 -7.9 20 474 5486 320 27 17.4 -20.7 | 285 23 22.7 -5.9 21 432 6096 330 29 14.5 -25.1 | 298 22 19.9 -10.4 22 400 6600 325 33 18.9 -27.0 | 297 27 24.3 -12.3 23 373 7044 315 34 24.0 -24.0 | 288 31 29.4 -9.3 24 357 7315 315 35 24.7 -24.7 | 288 32 30.1 -10.0 25 341 7620 310 31 23.7 -19.9 | 280 30 29.1 -5.2 26 309 8230 305 31 25.4 -17.8 | 276 31 30.7 -3.0 27 300 8420 310 32 24.5 -20.6 | 281 30 29.9 -5.8 28 281 8839 315 27 19.1 -19.1 | 280 25 24.4 -4.4 29 268 9144 310 28 21.4 -18.0 | 277 27 26.8 -3.3 30 250 9590 320 28 18.0 -21.4 | 286 24 23.4 -6.7 31 244 9754 320 28 18.0 -21.4 | 286 24 23.4 -6.7 32 232 10058 300 27 23.4 -13.5 | 268 29 28.7 1.2 33 211 10668 320 23 14.8 -17.6 | 278 20 20.1 -2.9 34 201 10973 305 27 22.1 -15.5 | 272 27 27.5 -0.7 35 200 11020 315 28 19.8 -19.8 | 281 26 25.2 -5.1 36 192 11278 320 23 14.8 -17.6 | 278 20 20.1 -2.9 37 183 11582 305 23 18.8 -13.2 | 266 24 24.2 1.5 38 159 12497 320 28 18.0 -21.4 | 286 24 23.4 -6.7 39 151 12802 310 26 19.9 -16.7 | 274 25 25.3 -2.0 40 150 12850 330 25 12.5 -21.7 | 291 19 17.9 -6.9 41 144 13106 330 25 12.5 -21.7 | 291 19 17.9 -6.9 42 137 13411 310 27 20.7 -17.4 | 276 26 26.0 -2.6 43 119 14326 330 24 12.0 -20.8 | 289 18 17.4 -6.0 44 102 15240 315 21 14.8 -14.8 | 270 20 20.2 -0.1 45 100 15390 330 22 11.0 -19.1 | 285 17 16.4 -4.3 46 97 15545 330 22 11.0 -19.1 | 285 17 16.4 -4.3 47 88 16154 320 27 17.4 -20.7 | 285 23 22.7 -5.9 48 84 16459 340 27 9.2 -25.4 | 306 18 14.6 -10.6 49 76 17069 325 30 17.2 -24.6 | 294 25 22.6 -9.8 50 70 17570 340 30 10.3 -28.2 | 311 21 15.6 -13.5 51 59 18593 340 31 10.6 -29.1 | 312 21 16.0 -14.4 52 53 19202 325 32 18.4 -26.2 | 296 26 23.7 -11.5 53 50 19590 325 37 21.2 -30.3 | 300 31 26.6 -15.6 54 37 21336 335 44 18.6 -39.9 | 316 35 23.9 -25.1 55 34 21946 345 38 9.8 -36.7 | 325 27 15.2 -22.0 56 30 22640 360 53 -0.0 -53.0 | 352 39 5.4 -38.3 57 29 22860 360 52 -0.0 -52.0 | 352 38 5.4 -37.3 58 25 23774 340 72 24.6 -67.7 | 330 61 30.0 -52.9 59 22 24515 345 73 18.9 -70.5 | 337 61 24.2 -55.8 60 20 24689 345 73 18.9 -70.5 | 337 61 24.2 -55.8 61 18 24994 345 70 18.1 -67.6 | 336 58 23.5 -52.9 Wind Parameters Mean winds (0-6000m): 350.0 at 20.9 knts Storm direction: 20.0 at 15.7 knts Shear (0-3000m) pos: 3.4 neg: 2.2 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 70.8 deg Storm rel helicity (0-3000m) pos: 46.4 neg: -25.5 tot: 20.9 m^2/s^2 ave: 7.0 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.90 Bulk Shear: 15.33 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 ------------------------------------------------------------------------------- 500 333 11 245 11| 7.7 0.0 7.7| 0.4 -4.6 -4.3 -8.5 -0.22| 7.8 -1.8 1000 348 13 253 8| 5.2 0.0 5.2| 9.2 -8.4 0.8 0.8 0.12| 8.8 1.0 1500 350 13 257 8| 4.2 0.0 4.2| 17.9 -13.8 4.1 2.7 0.13| 9.5 1.3 2000 353 14 262 7| 3.2 1.1 4.3| 27.0 -16.8 10.2 5.1 0.18| 9.3 1.7 2500 357 15 275 6| 4.1 0.9 5.0| 46.4 -16.8 29.6 11.8 0.34| 10.0 3.4 3000 360 16 284 6| 3.4 2.2 5.6| 46.4 -25.5 20.9 7.0 0.18| 10.1 1.8 4000 360 18 301 6| 2.9 1.6 4.6| 57.4 -26.6 30.7 7.7 0.21| 8.5 1.8 5000 357 20 307 8| 2.4 2.4 4.8| 57.4 -59.5 -2.2 -0.4 0.07| 8.0 0.6 6000 350 21 303 11| 2.3 2.6 4.8| 83.1 -86.7 -3.7 -0.6 0.05| 7.8 0.4 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20251229.12.gif