UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122712.upa.cvt Date: 1200Z 27 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:1200Z 27 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 1017 27 -33.5 -36.3 76 2.8 -33.6 265 12 238.5 238.5 238.4 238.9 0.17 1 1003 128 -27.1 -30.9 70 3.8 -27.4 294 16 245.8 245.9 245.6 246.6 0.29 2 1000 150 -27.1 -30.7 71 3.6 -27.4 300 17 246.1 246.1 245.8 246.9 0.30 3 957 467 -27.7 -29.7 83 2.0 -27.9 329 14 248.6 248.6 248.2 249.5 0.34 4 925 713 -25.3 -27.4 83 2.1 -25.5 360 14 253.4 253.5 252.7 254.6 0.44 5 914 800 -24.9 -27.9 76 3.0 -25.2 343 13 254.7 254.8 253.7 255.9 0.42 6 870 1157 -26.5 -29.2 78 2.7 -26.8 328 18 256.7 256.7 255.3 257.8 0.39 7 850 1324 -27.9 -29.4 87 1.5 -28.0 345 23 256.9 257.0 255.5 258.0 0.39 8 839 1417 -28.7 -29.6 92 0.9 -28.8 336 25 257.0 257.1 255.6 258.1 0.39 9 837 1435 -28.9 -29.8 92 0.9 -29.0 334 25 257.0 257.1 255.5 258.1 0.39 10 830 1495 -28.3 -32.4 68 4.1 -28.6 328 26 258.3 258.3 256.4 259.1 0.30 11 817 1608 -27.1 -33.1 57 6.0 -27.6 324 26 260.7 260.7 258.3 261.5 0.29 12 805 1715 -27.3 -29.6 81 2.3 -27.5 322 24 261.6 261.6 259.3 262.8 0.41 13 797 1787 -27.1 -31.7 65 4.6 -27.5 321 23 262.5 262.6 259.9 263.5 0.34 14 735 2367 -30.1 -32.0 83 1.9 -30.3 326 25 265.4 265.5 262.1 266.5 0.36 15 725 2465 -30.7 -32.7 83 2.0 -30.9 325 26 265.8 265.9 262.3 266.8 0.34 16 719 2524 -31.1 -35.6 65 4.5 -31.4 327 25 266.0 266.0 262.3 266.8 0.26 17 700 2713 -32.5 -34.6 81 2.1 -32.7 330 24 266.5 266.5 262.7 267.4 0.29 18 667 3052 -34.9 -36.2 88 1.3 -35.0 330 23 267.5 267.5 263.4 268.3 0.26 19 661 3115 -35.3 -36.9 85 1.6 -35.4 330 22 267.7 267.8 263.6 268.5 0.24 20 648 3254 -35.5 -39.5 67 4.0 -35.7 330 22 269.0 269.1 264.4 269.6 0.19 21 622 3538 -37.1 -42.0 60 4.9 -37.4 327 19 270.4 270.4 265.2 270.9 0.15 22 597 3821 -38.9 -42.6 68 3.7 -39.1 318 18 271.5 271.5 266.0 272.0 0.15 23 500 5020 -46.1 -53.1 45 7.0 -46.3 320 20 276.8 276.8 269.3 277.0 0.06 24 466 5483 -49.1 -56.1 44 7.0 -49.3 316 21 278.7 278.7 270.4 278.9 0.04 25 423 6111 -51.7 -61.7 29 10.0 -51.8 310 23 283.2 283.2 273.1 283.3 0.02 26 400 6470 -53.5 -60.5 42 7.0 -53.6 310 21 285.5 285.5 274.3 285.6 0.03 27 380 6800 -54.9 -59.9 54 5.0 -55.0 308 22 287.8 287.8 275.6 287.9 0.03 28 369 6988 -55.9 -61.9 47 6.0 -56.0 308 23 288.9 288.9 276.2 289.0 0.03 29 340 7507 -57.7 -64.7 40 7.0 -57.8 305 25 293.3 293.3 278.3 293.4 0.02 30 300 8300 -57.1 -71.1 15 14.0 -57.2 295 26 304.9 304.9 283.4 304.9 0.01 31 294 8428 -56.5 -72.5 12 16.0 -56.6 297 25 307.5 307.5 284.4 307.5 0.01 32 250 9460 -54.5 -77.5 4 23.0 -54.7 285 14 325.0 325.0 290.3 325.1 0.00 33 200 10890 -53.1 -81.1 2 28.0 -53.4 295 19 348.7 348.7 296.3 348.7 0.00 34 196 11020 -52.9 -80.9 2 28.0 -53.2 298 21 351.0 351.0 296.8 351.0 0.00 35 150 12730 -55.9 -83.9 2 28.0 -56.2 290 29 373.8 373.8 301.2 373.8 0.00 36 100 15290 -59.3 -85.3 2 26.0 -59.6 290 32 413.2 413.2 306.9 413.2 0.00 37 70 17510 -62.9 -86.9 3 24.0 -63.2 290 29 449.8 449.8 310.8 449.8 0.00 38 50 19570 -65.1 -89.1 2 24.0 -65.4 295 46 490.1 490.1 314.2 490.1 0.00 39 48 19818 -65.3 -89.3 2 24.0 -65.6 297 47 495.4 495.4 314.6 495.4 0.00 40 35 21745 -64.1 -89.1 2 25.0 -64.6 300 53 545.3 545.3 317.8 545.3 0.00 41 30 22680 -67.9 -90.9 2 23.0 -68.2 315 67 559.5 559.5 318.6 559.6 0.00 42 29 22884 -68.3 -91.3 2 23.0 -68.7 320 71 563.9 563.9 318.9 563.9 0.00 43 28 23094 -68.7 -91.7 2 23.0 -69.0 320 71 568.5 568.5 319.1 568.5 0.00 TRP 340 7507 -57.7 -64.7 40 7.0 -57.8 305 25 293.3 293.3 278.3 293.4 0.02 WND 29 22884 -68.3 -91.3 2 23.0 -68.7 320 71 563.9 563.9 318.9 563.9 0.00 Sounding variables and indices 1000-500 mb thick: 4870.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 70.71 % Est. max temperature: -15.20 C = 4.64 F Sfc-Lift cond lev (LCL): 969.45 mb = 373.73 m = 1226.13 ft T: -27.52 C 700-500 lapse rate: 5.90 C/km ThetaE index: 0.05 C Layer 837.0- 830.0 mb Conv cond level (CCL): 690.72 mb = 2806.73 m = 9208.31 ft Mean mixing ratio: 0.34 g/kg Conv temperature: -5.09 C = 22.84 F Cap Strength: 19.26 C Lifted Index: 22.61 C Risk: None Lifted Index @300 mb: 39.38 C Lifted Index @700 mb: 15.76 C Showalter Index: 15.46 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 16.70 C K Index: -13.30 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 4.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.53 J/kg Max Up Vert Vel: 9.00 m/s Conv Inhibition (B-): 49299.77 J/kg Cap Strength: 22.35 C Lift Cond Lev (LCL): 927.66 mb = 692.25 m = 2271.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 at 15 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 1017 27 265 12 12.0 1.0 | 213 19 10.4 16.1 1 1000 150 300 17 14.7 -8.5 | 244 15 13.2 6.5 2 979 305 310 12 9.2 -7.7 | 226 11 7.6 7.3 3 938 610 345 15 3.9 -14.5 | 257 2 2.3 0.6 4 925 713 360 14 -0.0 -14.0 | 124 2 -1.6 1.0 5 900 914 320 12 7.7 -9.2 | 226 8 6.1 5.9 6 862 1219 330 19 9.5 -16.5 | 280 8 7.9 -1.4 7 850 1324 345 23 6.0 -22.2 | 329 8 4.4 -7.2 8 827 1524 325 27 15.5 -22.1 | 297 16 13.9 -7.1 9 792 1829 320 22 14.1 -16.9 | 278 13 12.6 -1.8 10 759 2134 330 23 11.5 -19.9 | 296 11 9.9 -4.9 11 727 2438 325 26 14.9 -21.3 | 295 15 13.3 -6.3 12 700 2713 330 24 12.0 -20.8 | 299 12 10.4 -5.7 13 697 2743 330 24 12.0 -20.8 | 299 12 10.4 -5.7 14 638 3353 330 21 10.5 -18.2 | 289 9 8.9 -3.1 15 610 3658 325 18 10.3 -14.7 | 268 9 8.8 0.3 16 583 3962 310 19 14.6 -12.2 | 258 13 13.0 2.8 17 558 4267 330 19 9.5 -16.5 | 280 8 7.9 -1.4 18 534 4572 330 19 9.5 -16.5 | 280 8 7.9 -1.4 19 511 4877 320 20 12.9 -15.3 | 271 11 11.3 -0.3 20 500 5020 320 20 12.9 -15.3 | 271 11 11.3 -0.3 21 424 6096 310 23 17.6 -14.8 | 269 16 16.1 0.3 22 400 6470 310 21 16.1 -13.5 | 264 15 14.5 1.5 23 340 7507 305 25 20.5 -14.3 | 268 19 18.9 0.7 24 334 7620 305 25 20.5 -14.3 | 268 19 18.9 0.7 25 318 7925 295 29 26.3 -12.3 | 264 25 24.7 2.8 26 303 8230 305 27 22.1 -15.5 | 271 21 20.6 -0.4 27 300 8300 295 26 23.6 -11.0 | 260 22 22.0 4.1 28 263 9144 305 18 14.7 -10.3 | 250 14 13.2 4.7 29 250 9449 275 13 13.0 -1.1 | 219 18 11.4 13.9 30 250 9460 285 14 13.5 -3.6 | 226 17 12.0 11.4 31 239 9754 295 20 18.1 -8.5 | 248 18 16.6 6.6 32 228 10058 280 22 21.7 -3.8 | 241 23 20.1 11.2 33 207 10668 290 25 23.5 -8.6 | 254 23 21.9 6.5 34 200 10890 295 19 17.2 -8.0 | 246 17 15.7 7.0 35 197 10973 300 22 19.1 -11.0 | 257 18 17.5 4.0 36 188 11278 290 17 16.0 -5.8 | 237 17 14.4 9.2 37 179 11582 280 15 14.8 -2.6 | 227 18 13.2 12.4 38 171 11887 300 18 15.6 -9.0 | 247 15 14.0 6.0 39 156 12497 285 26 25.1 -6.7 | 251 25 23.5 8.3 40 150 12730 290 29 27.3 -9.9 | 259 26 25.7 5.1 41 141 13106 290 24 22.6 -8.2 | 252 22 21.0 6.8 42 122 14021 265 22 21.9 1.9 | 230 26 20.4 17.0 43 106 14935 295 34 30.8 -14.4 | 269 29 29.2 0.7 44 101 15240 295 30 27.2 -12.7 | 265 26 25.6 2.4 45 100 15290 290 32 30.1 -10.9 | 262 29 28.5 4.1 46 96 15545 290 32 30.1 -10.9 | 262 29 28.5 4.1 47 83 16459 285 34 32.8 -8.8 | 259 32 31.3 6.2 48 75 17069 305 31 25.4 -17.8 | 277 24 23.8 -2.7 49 70 17510 290 29 27.3 -9.9 | 259 26 25.7 5.1 50 68 17678 290 29 27.3 -9.9 | 259 26 25.7 5.1 51 62 18288 290 42 39.5 -14.4 | 269 38 37.9 0.7 52 50 19570 295 46 41.7 -19.4 | 276 40 40.1 -4.4 53 46 20117 300 49 42.4 -24.5 | 283 42 40.9 -9.5 54 43 20422 285 47 45.4 -12.2 | 266 44 43.8 2.9 55 37 21336 295 51 46.2 -21.6 | 278 45 44.7 -6.5 56 31 22555 310 57 43.7 -36.6 | 297 47 42.1 -21.6 57 30 22680 315 67 47.4 -47.4 | 305 56 45.8 -32.3 58 29 22884 320 71 45.6 -54.4 | 312 59 44.1 -39.3 59 26 23165 320 71 45.6 -54.4 | 312 59 44.1 -39.3 60 23 23470 320 62 39.9 -47.5 | 310 50 38.3 -32.5 Wind Parameters Mean winds (0-6000m): 324.1 at 20.2 knts Storm direction: 354.1 at 15.1 knts Shear (0-3000m) pos: 3.8 neg: 0.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 82.1 deg Storm rel helicity (0-3000m) pos: 81.4 neg: -45.1 tot: 36.3 m^2/s^2 ave: 12.1 10^-3 m/s^2 rel: 0.21 Storm rel vorticity (0-3000m) horiz: 13.0 stream: 2.8 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 4.94 Bulk Shear: 8.20 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 ------------------------------------------------------------------------------- 500 308 14 235 11| 15.7 0.0 15.7| 36.5 -5.3 31.2 62.4 0.38| 20.6 7.8 1000 324 14 239 8| 7.8 1.5 9.4| 43.8 -6.0 37.9 37.9 0.32| 19.4 6.1 1500 328 16 259 7| 8.3 1.0 9.4| 67.0 -25.3 41.7 27.8 0.29| 20.2 5.9 2000 326 18 270 8| 5.5 0.8 6.2| 74.5 -42.1 32.4 16.2 0.22| 17.2 3.9 2500 327 19 277 9| 4.8 0.6 5.4| 79.5 -42.8 36.7 14.7 0.23| 14.9 3.4 3000 327 20 281 10| 3.8 0.5 4.3| 81.4 -45.1 36.3 12.1 0.21| 13.0 2.8 4000 326 20 280 10| 2.8 1.2 4.0| 83.3 -60.8 22.5 5.6 0.12| 11.1 1.4 5000 326 20 279 10| 2.7 1.2 3.9| 91.9 -64.5 27.4 5.5 0.13| 9.8 1.3 6000 324 20 277 10| 2.2 1.4 3.6| 91.9 -66.4 25.4 4.2 0.12| 8.5 1.0 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20251227.12.gif