UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121012.upa.cvt Date: 1200Z 10 DEC 25 Searching for CYCB... Searching the city database file for: CYCB ... Date:1200Z 10 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 1020 27 -28.7 -31.1 80 2.4 -28.9 215 8 243.1 243.1 243.0 243.8 0.28 1 1014 70 -26.7 -29.5 77 2.8 -26.9 221 9 245.5 245.5 245.3 246.3 0.33 2 1000 173 -27.3 -29.8 79 2.5 -27.5 235 10 245.9 245.9 245.6 246.7 0.32 3 976 348 -27.3 -29.8 79 2.5 -27.5 246 14 247.6 247.6 247.2 248.5 0.33 4 959 475 -23.7 -27.4 72 3.7 -24.1 251 14 252.5 252.5 251.8 253.6 0.42 5 957 490 -23.7 -27.6 70 3.9 -24.1 251 14 252.6 252.7 251.9 253.7 0.41 6 929 707 -22.7 -27.7 64 5.0 -23.2 263 14 255.8 255.8 254.6 257.0 0.42 7 925 739 -22.7 -27.4 65 4.7 -23.2 265 14 256.1 256.2 254.9 257.3 0.44 8 922 763 -22.5 -26.6 69 4.1 -22.9 266 14 256.5 256.6 255.4 257.8 0.47 9 904 907 -23.5 -26.9 74 3.4 -23.9 270 14 257.0 257.0 255.7 258.3 0.47 10 850 1357 -24.3 -28.4 69 4.1 -24.7 280 15 260.7 260.8 258.6 261.9 0.43 11 700 2757 -30.1 -34.0 69 3.9 -30.4 285 18 269.2 269.2 264.7 270.1 0.31 12 688 2880 -30.9 -34.3 72 3.4 -31.2 284 19 269.6 269.6 265.0 270.5 0.30 13 611 3719 -33.1 -38.1 61 5.0 -33.4 274 22 276.4 276.4 269.4 277.1 0.23 14 513 4926 -41.7 -46.6 59 4.9 -41.9 283 27 280.1 280.2 271.4 280.5 0.11 15 500 5100 -43.1 -47.2 64 4.1 -43.3 275 25 280.5 280.5 271.6 280.8 0.11 16 490 5236 -43.9 -46.8 73 2.9 -44.0 275 25 281.1 281.2 272.0 281.5 0.12 17 461 5642 -46.9 -50.9 64 4.0 -47.0 275 24 282.3 282.4 272.6 282.6 0.08 18 440 5949 -48.9 -54.9 50 6.0 -49.0 275 23 283.6 283.6 273.3 283.8 0.05 19 429 6115 -49.9 -54.9 56 5.0 -50.0 275 23 284.4 284.4 273.8 284.6 0.05 20 426 6161 -50.1 -53.2 70 3.1 -50.2 275 23 284.7 284.7 274.0 284.9 0.06 21 416 6315 -51.1 -55.7 58 4.6 -51.2 275 23 285.4 285.4 274.3 285.5 0.05 22 410 6410 -50.9 -61.9 26 11.0 -51.1 275 24 286.8 286.8 275.0 286.9 0.02 23 405 6489 -51.3 -59.3 38 8.0 -51.4 275 24 287.3 287.3 275.3 287.4 0.03 24 400 6570 -51.7 -59.7 38 8.0 -51.8 275 24 287.8 287.8 275.6 287.9 0.03 25 386 6801 -52.7 -64.7 22 12.0 -52.8 272 24 289.4 289.4 276.4 289.5 0.02 26 361 7232 -54.5 -65.5 25 11.0 -54.6 265 25 292.6 292.6 278.0 292.7 0.02 27 335 7711 -54.9 -67.9 19 13.0 -55.1 265 26 298.4 298.4 280.7 298.4 0.01 28 311 8187 -54.1 -71.1 11 17.0 -54.3 265 19 305.9 305.9 283.8 306.0 0.01 29 302 8377 -51.7 -74.7 5 23.0 -52.0 253 27 311.9 311.9 286.0 311.9 0.01 30 300 8420 -51.9 -74.9 5 23.0 -52.2 250 29 312.2 312.2 286.1 312.2 0.00 31 270 9101 -50.3 -74.3 4 24.0 -50.7 264 18 324.1 324.1 290.0 324.1 0.01 32 262 9296 -51.3 -75.3 4 24.0 -51.6 260 18 325.4 325.4 290.4 325.4 0.01 33 250 9600 -50.1 -78.1 2 28.0 -50.5 250 20 331.6 331.6 292.2 331.6 0.00 34 244 9759 -48.9 -78.9 2 30.0 -49.4 260 23 335.7 335.7 293.2 335.7 0.00 35 232 10090 -50.3 -79.3 2 29.0 -50.7 269 18 338.4 338.4 293.9 338.5 0.00 36 221 10408 -48.9 -79.9 2 31.0 -49.4 264 18 345.3 345.3 295.6 345.3 0.00 37 203 10963 -51.7 -81.7 2 30.0 -52.1 250 17 349.4 349.4 296.5 349.4 0.00 38 200 11060 -50.9 -81.9 1 31.0 -51.4 265 16 352.2 352.2 297.1 352.2 0.00 39 163 12397 -49.7 -82.7 1 33.0 -50.3 274 22 375.4 375.4 301.5 375.4 0.00 40 150 12940 -50.9 -83.9 1 33.0 -51.5 260 10 382.4 382.4 302.6 382.4 0.00 41 139 13436 -50.3 -83.3 1 33.0 -51.0 290 13 391.8 391.8 304.0 391.9 0.00 42 131 13821 -52.1 -84.1 1 32.0 -52.7 307 15 395.3 395.3 304.6 395.3 0.00 43 122 14283 -51.3 -84.3 1 33.0 -52.0 307 18 404.9 404.9 305.9 404.9 0.00 44 100 15570 -52.7 -85.7 1 33.0 -53.4 330 24 425.9 425.9 308.4 425.9 0.00 45 71 17769 -55.7 -87.7 1 32.0 -56.4 330 28 463.3 463.3 312.1 463.4 0.00 46 70 17860 -55.3 -87.3 1 32.0 -56.1 345 27 466.1 466.1 312.3 466.1 0.00 47 69 17951 -55.1 -87.1 1 32.0 -55.9 346 27 468.4 468.4 312.5 468.4 0.00 48 50 19980 -59.3 -89.3 1 30.0 -59.9 335 45 503.7 503.7 315.2 503.8 0.00 49 40 21369 -61.7 -89.7 1 28.0 -62.3 330 43 530.9 530.9 317.0 530.9 0.00 50 34 22380 -59.7 -89.7 1 30.0 -60.6 335 52 561.4 561.4 318.7 561.4 0.00 51 30 23160 -61.1 -90.1 1 29.0 -61.9 335 51 578.1 578.1 319.6 578.1 0.00 52 23 24799 -63.1 -91.1 1 28.0 -63.9 343 65 617.8 617.8 321.4 617.9 0.00 53 20 25660 -62.1 -91.1 1 29.0 -63.1 335 79 646.1 646.1 322.5 646.1 0.00 54 16 27044 -60.7 -91.7 1 31.0 -62.1 349 85 693.2 693.2 324.2 693.3 0.01 55 14 27868 -64.3 -92.3 1 28.0 -65.4 345 86 708.0 708.0 324.7 708.0 0.01 56 13 28324 -62.2 -91.6 1 29.4 -63.7 345 88 730.5 730.5 325.4 730.6 0.01 57 12 28821 -59.9 -90.9 1 31.0 -61.9 345 88 755.5 755.5 326.1 755.6 0.01 TRP 361 7232 -54.5 -65.5 25 11.0 -54.6 265 25 292.6 292.6 278.0 292.7 0.02 WND 13 28324 -62.2 -91.6 1 29.4 -63.7 345 88 730.5 730.5 325.4 730.6 0.01 Sounding variables and indices 1000-500 mb thick: 4927.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 66.91 % Est. max temperature: -12.40 C = 9.68 F Sfc-Lift cond lev (LCL): 979.55 mb = 321.60 m = 1055.11 ft T: -27.30 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.00 C Layer 1020.0- -0.0 mb Conv cond level (CCL): 606.02 mb = 3775.24 m = 12385.80 ft Mean mixing ratio: 0.37 g/kg Conv temperature: 4.97 C = 40.95 F Cap Strength: 23.96 C Lifted Index: 24.09 C Risk: None Lifted Index @300 mb: 43.24 C Lifted Index @700 mb: 16.46 C Showalter Index: 15.30 C Risk: None Total Totals Index: 33.50 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 14.70 C K Index: -13.50 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 4.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.40 J/kg Max Up Vert Vel: 10.33 m/s Conv Inhibition (B-): 71569.79 J/kg Cap Strength: 24.00 C Lift Cond Lev (LCL): 916.22 mb = 808.96 m = 2654.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 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 1020 27 215 8 4.6 6.6 | 154 17 -7.4 15.2 1 1000 173 235 10 8.2 5.7 | 165 15 -3.8 14.4 2 982 305 245 14 12.7 5.9 | 183 15 0.7 14.6 3 942 610 255 14 13.5 3.6 | 187 12 1.6 12.3 4 925 739 265 14 13.9 1.2 | 191 10 2.0 9.9 5 903 914 270 14 14.0 -0.0 | 193 9 2.0 8.7 6 866 1219 275 16 15.9 -1.4 | 209 8 4.0 7.3 7 850 1357 280 15 14.8 -2.6 | 205 7 2.8 6.0 8 796 1829 275 15 14.9 -1.3 | 202 8 3.0 7.3 9 763 2134 280 18 17.7 -3.1 | 226 8 5.8 5.5 10 732 2438 285 20 19.3 -5.2 | 245 8 7.3 3.5 11 701 2743 285 17 16.4 -4.4 | 226 6 4.4 4.3 12 700 2757 285 18 17.4 -4.7 | 234 7 5.4 4.0 13 615 3658 275 22 21.9 -1.9 | 236 12 9.9 6.7 14 589 3962 270 21 21.0 -0.0 | 226 13 9.0 8.7 15 564 4267 280 25 24.6 -4.3 | 251 13 12.6 4.3 16 516 4877 285 27 26.1 -7.0 | 263 14 14.1 1.7 17 500 5100 275 25 24.9 -2.2 | 243 14 12.9 6.5 18 430 6096 275 23 22.9 -2.0 | 239 13 10.9 6.6 19 400 6570 275 24 23.9 -2.1 | 241 14 11.9 6.6 20 361 7232 265 25 24.9 2.2 | 230 17 12.9 10.8 21 340 7620 265 27 26.9 2.4 | 234 19 14.9 11.0 22 309 8230 265 18 17.9 1.6 | 210 12 6.0 10.2 23 300 8420 250 29 27.3 9.9 | 219 24 15.3 18.6 24 295 8534 250 29 27.3 9.9 | 219 24 15.3 18.6 25 268 9144 265 17 16.9 1.5 | 206 11 5.0 10.1 26 250 9600 250 20 18.8 6.8 | 204 17 6.8 15.5 27 244 9754 260 23 22.7 4.0 | 220 17 10.7 12.6 28 233 10058 270 18 18.0 -0.0 | 215 11 6.0 8.7 29 212 10668 260 18 17.7 3.1 | 206 13 5.8 11.8 30 203 10973 250 17 16.0 5.8 | 195 15 4.0 14.5 31 200 11060 265 16 15.9 1.4 | 202 11 4.0 10.0 32 193 11278 265 16 15.9 1.4 | 202 11 4.0 10.0 33 185 11582 265 23 22.9 2.0 | 226 15 10.9 10.7 34 176 11887 270 25 25.0 -0.0 | 236 16 13.0 8.7 35 161 12497 275 21 20.9 -1.8 | 233 11 8.9 6.8 36 153 12802 290 16 15.0 -5.5 | 224 4 3.1 3.2 37 150 12940 260 10 9.8 1.7 | 168 11 -2.1 10.4 38 146 13106 260 10 9.8 1.7 | 168 11 -2.1 10.4 39 133 13716 315 15 10.6 -10.6 | 35 2 -1.4 -2.0 40 127 14021 290 14 13.2 -4.8 | 197 4 1.2 3.9 41 121 14326 310 19 14.6 -12.2 | 324 4 2.6 -3.6 42 116 14630 300 17 14.7 -8.5 | 267 3 2.8 0.2 43 110 14935 315 21 14.8 -14.8 | 335 7 2.9 -6.2 44 105 15240 310 28 21.4 -18.0 | 315 13 9.5 -9.3 45 100 15570 330 24 12.0 -20.8 | 360 12 0.0 -12.1 46 96 15850 330 24 12.0 -20.8 | 360 12 0.0 -12.1 47 91 16154 335 23 9.7 -20.8 | 10 12 -2.3 -12.2 48 83 16764 335 22 9.3 -19.9 | 13 12 -2.7 -11.3 49 76 17374 315 19 13.4 -13.4 | 343 5 1.5 -4.8 50 72 17678 315 29 20.5 -20.5 | 324 15 8.5 -11.9 51 70 17860 345 27 7.0 -26.1 | 16 18 -5.0 -17.4 52 65 18288 350 26 4.5 -25.6 | 24 19 -7.5 -17.0 53 59 18898 320 36 23.1 -27.6 | 329 22 11.2 -18.9 54 50 19980 335 45 19.0 -40.8 | 348 33 7.0 -32.1 55 44 20726 345 35 9.1 -33.8 | 7 25 -2.9 -25.2 56 40 21336 330 43 21.5 -37.2 | 342 30 9.5 -28.6 57 35 22250 335 52 22.0 -47.1 | 345 40 10.0 -38.5 58 30 23160 335 51 21.6 -46.2 | 346 39 9.6 -37.6 59 30 23165 330 42 21.0 -36.4 | 342 29 9.0 -27.7 60 27 23774 345 63 16.3 -60.9 | 355 52 4.3 -52.2 61 25 24384 340 50 17.1 -47.0 | 352 39 5.1 -38.3 62 22 24994 345 72 18.6 -69.5 | 354 61 6.7 -60.9 63 21 25298 330 66 33.0 -57.2 | 337 53 21.0 -48.5 64 20 25660 335 79 33.4 -71.6 | 341 66 21.4 -62.9 65 17 26518 340 84 28.7 -78.9 | 347 72 16.8 -70.3 66 16 27127 350 85 14.8 -83.7 | 358 75 2.8 -75.1 67 15 27432 345 84 21.7 -81.1 | 352 73 9.8 -72.5 68 13 28324 345 88 22.8 -85.0 | 352 77 10.8 -76.3 69 11 28651 345 88 22.8 -85.0 | 352 77 10.8 -76.3 70 8 29261 345 81 21.0 -78.2 | 353 70 9.0 -69.6 Wind Parameters Mean winds (0-6000m): 275.9 at 19.7 knts Storm direction: 305.9 at 14.8 knts Shear (0-3000m) pos: 3.1 neg: 0.2 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 81.5 deg Storm rel helicity (0-3000m) pos: 56.7 neg: -5.4 tot: 51.3 m^2/s^2 ave: 17.1 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.88 Bulk Shear: 18.55 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 ------------------------------------------------------------------------------- 500 242 12 175 14| 9.3 0.0 9.3| 33.6 0.0 33.6 67.2 0.86| 10.1 8.7 1000 254 13 183 12| 6.3 0.0 6.3| 39.6 0.0 39.6 39.6 0.71| 7.7 5.5 1500 262 14 189 11| 4.6 0.0 4.6| 42.8 -1.2 41.6 27.8 0.63| 6.3 3.9 2000 266 14 193 10| 3.9 0.0 3.9| 47.2 -1.6 45.6 22.8 0.63| 5.5 3.4 2500 270 15 200 9| 3.7 0.0 3.7| 55.0 -2.6 52.3 20.9 0.64| 5.3 3.4 3000 273 16 205 9| 3.1 0.2 3.3| 56.7 -5.4 51.3 17.1 0.53| 5.1 2.7 4000 274 17 214 9| 2.3 0.7 3.0| 60.0 -11.5 48.5 12.1 0.41| 4.7 1.9 5000 276 19 225 9| 2.4 0.7 3.1| 84.8 -23.2 61.6 12.3 0.41| 4.8 2.0 6000 276 20 229 10| 2.0 0.7 2.7| 84.8 -33.0 51.9 8.6 0.33| 4.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//CYCB/skewt/CYCB.skewt.20251210.12.gif