UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041512.upa.cvt Date: 1200Z 15 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 15 APR 25 Station: CYBK WMO ident: 71926 Latitude: 64.32 Longitude: -96.00 Elevation: 51.00 ------------------------------------------------------------------------------- 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 1018 51 -27.7 -30.5 77 2.8 -27.9 345 11 244.2 244.2 244.1 245.0 0.30 1 1015 73 -22.9 -24.2 89 1.3 -23.1 341 10 249.2 249.3 249.1 250.6 0.53 2 1008 126 -20.3 -22.7 81 2.4 -20.6 331 8 252.3 252.4 252.0 253.9 0.61 3 1003 164 -20.5 -22.8 82 2.3 -20.8 324 7 252.4 252.5 252.2 254.1 0.61 4 1000 187 -20.3 -22.5 83 2.2 -20.6 320 6 252.9 252.9 252.5 254.5 0.63 5 955 529 -18.1 -21.4 75 3.3 -18.6 320 13 258.4 258.5 257.4 260.4 0.72 6 948 584 -17.1 -18.8 87 1.7 -17.4 320 15 260.0 260.1 259.0 262.5 0.91 7 937 671 -16.7 -19.1 82 2.4 -17.1 320 15 261.3 261.4 260.0 263.7 0.90 8 935 687 -17.1 -20.9 72 3.8 -17.7 320 15 261.0 261.1 259.6 263.2 0.77 9 925 768 -17.3 -19.3 84 2.0 -17.6 320 14 261.6 261.8 260.3 264.1 0.90 10 914 858 -17.1 -19.2 84 2.1 -17.4 320 16 262.7 262.9 261.2 265.2 0.91 11 879 1150 -17.5 -22.5 65 5.0 -18.3 328 20 265.3 265.4 262.7 267.3 0.71 12 856 1349 -18.3 -24.3 59 6.0 -19.2 326 20 266.4 266.5 263.4 268.2 0.62 13 854 1366 -18.5 -24.5 59 6.0 -19.4 326 20 266.4 266.5 263.3 268.2 0.61 14 850 1401 -18.3 -22.4 70 4.1 -19.0 325 20 267.0 267.1 264.0 269.1 0.74 15 848 1419 -18.1 -21.9 72 3.8 -18.7 325 20 267.4 267.5 264.3 269.6 0.78 16 834 1543 -16.9 -31.9 26 15.0 -18.8 323 21 269.9 270.0 265.2 270.9 0.32 17 769 2153 -16.1 -42.1 9 26.0 -18.7 325 24 277.1 277.1 269.6 277.5 0.12 18 755 2291 -16.7 -34.7 19 18.0 -19.0 328 25 277.9 278.0 270.4 278.7 0.27 19 751 2331 -16.5 -43.5 8 27.0 -19.1 328 25 278.6 278.6 270.5 278.9 0.11 20 714 2709 -17.7 -42.7 9 25.0 -20.2 334 24 281.3 281.3 272.1 281.7 0.12 21 700 2857 -19.1 -40.1 14 21.0 -21.2 325 24 281.3 281.4 272.2 281.9 0.17 22 504 5225 -35.5 -47.5 28 12.0 -36.1 328 39 289.1 289.1 276.4 289.5 0.10 23 500 5280 -35.9 -48.9 25 13.0 -36.5 325 36 289.3 289.3 276.5 289.6 0.09 24 493 5377 -36.3 -50.3 22 14.0 -37.0 324 36 289.9 290.0 276.7 290.2 0.08 25 478 5590 -38.3 -48.3 34 10.0 -38.8 322 36 290.1 290.1 276.9 290.4 0.10 26 463 5807 -39.3 -58.3 12 19.0 -39.9 320 36 291.5 291.5 277.4 291.6 0.03 27 440 6152 -41.9 -56.9 18 15.0 -42.3 325 44 292.5 292.5 277.9 292.6 0.04 28 400 6790 -45.1 -63.1 12 18.0 -45.5 330 54 296.4 296.4 279.7 296.4 0.02 29 376 7201 -46.7 -64.7 11 18.0 -47.0 330 57 299.5 299.6 281.1 299.6 0.02 30 351 7655 -48.7 -63.7 16 15.0 -49.0 330 61 302.8 302.8 282.5 302.9 0.02 31 317 8322 -50.4 -69.3 9 18.9 -50.7 330 70 309.4 309.4 285.1 309.5 0.01 32 300 8680 -51.3 -72.3 6 21.0 -51.6 330 66 313.0 313.0 286.4 313.1 0.01 33 288 8945 -52.3 -74.3 5 22.0 -52.5 330 66 315.3 315.3 287.2 315.3 0.01 34 250 9860 -52.9 -78.9 3 26.0 -53.2 325 45 327.4 327.4 291.0 327.4 0.00 35 240 10123 -53.1 -80.1 2 27.0 -53.4 323 42 331.0 331.0 292.0 331.0 0.00 36 220 10686 -51.1 -81.1 2 30.0 -51.5 320 37 342.4 342.4 294.9 342.4 0.00 37 212 10928 -48.5 -80.5 1 32.0 -49.0 324 35 350.1 350.1 296.7 350.1 0.00 38 200 11310 -49.7 -81.7 1 32.0 -50.2 325 29 354.1 354.1 297.5 354.1 0.00 39 187 11749 -50.3 -82.3 1 32.0 -50.8 317 27 360.0 360.0 298.7 360.0 0.00 40 171 12336 -47.3 -81.3 1 34.0 -48.1 322 27 374.3 374.3 301.3 374.3 0.00 41 153 13070 -48.5 -81.5 1 33.0 -49.3 306 19 384.3 384.3 302.9 384.3 0.00 42 150 13200 -47.9 -81.9 1 34.0 -48.7 320 14 387.5 387.5 303.4 387.5 0.00 43 132 14045 -46.5 -81.5 1 35.0 -47.6 303 11 404.5 404.5 305.8 404.5 0.00 44 130 14146 -47.3 -82.3 1 35.0 -48.3 315 11 404.8 404.8 305.9 404.8 0.00 45 117 14846 -44.9 -81.9 1 37.0 -46.3 281 13 421.6 421.6 307.9 421.6 0.00 46 100 15890 -46.9 -82.9 1 36.0 -48.2 285 11 437.1 437.1 309.6 437.1 0.00 47 85 16967 -47.1 -83.1 1 36.0 -48.6 308 11 457.5 457.5 311.5 457.5 0.00 48 81 17285 -48.7 -83.7 1 35.0 -50.0 258 10 460.6 460.6 311.8 460.6 0.00 49 74 17882 -46.5 -83.5 1 37.0 -48.2 328 17 477.3 477.3 313.2 477.3 0.01 50 70 18250 -48.1 -84.1 1 36.0 -49.7 25 6 481.5 481.5 313.5 481.5 0.00 51 66 18637 -49.1 -84.1 1 35.0 -50.6 2 0 487.5 487.5 314.0 487.5 0.01 52 50 20460 -48.9 -84.9 1 36.0 -50.8 90 3 528.2 528.2 316.8 528.3 0.01 53 34 22989 -50.3 -85.3 1 35.0 -52.6 138 8 586.2 586.2 320.0 586.2 0.01 54 30 23810 -48.9 -85.9 1 37.0 -51.8 85 8 611.3 611.3 321.1 611.4 0.01 55 20 26470 -49.3 -86.3 1 37.0 -53.0 125 7 685.3 685.3 324.0 685.4 0.01 56 13 29311 -48.9 -86.9 0 38.0 -54.0 116 8 776.5 776.5 326.7 776.6 0.02 57 10 31050 -46.3 -85.3 0 39.0 -53.4 90 8 846.7 846.7 328.3 847.0 0.03 58 8.5 32126 -47.9 -86.9 0 39.0 -54.9 880.7 880.8 329.0 881.0 0.02 59 6.6 33821 -40.9 -81.9 0 41.0 -52.7 976.3 976.3 330.8 977.1 0.07 60 6.0 34467 -42.9 -82.9 0 40.0 -54.0 994.6 994.6 331.1 995.4 0.07 61 4.8 35983 -39.5 -81.5 0 42.0 -53.8 1075.8 1075.9 332.3 1077.1 0.11 TRP 288 8945 -52.3 -74.3 5 22.0 -52.5 330 66 315.3 315.3 287.2 315.3 0.01 WND 317 8322 -50.4 -69.3 9 18.9 -50.7 330 70 309.4 309.4 285.1 309.5 0.01 Sounding variables and indices 1000-500 mb thick: 5093.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 34.04 % Est. max temperature: -5.97 C = 21.25 F Sfc-Lift cond lev (LCL): 971.15 mb = 404.46 m = 1326.94 ft T: -18.90 C 700-500 lapse rate: 6.93 C/km ThetaE index: 0.59 C Layer 935.0- 925.0 mb Conv cond level (CCL): 1015.00 mb = 73.19 m = 240.13 ft Mean mixing ratio: 0.73 g/kg Conv temperature: -20.41 C = -4.74 F Cap Strength: 25.01 C Lifted Index: 25.08 C Risk: None Lifted Index @300 mb: 38.45 C Lifted Index @700 mb: 20.84 C Showalter Index: 16.70 C Risk: None Total Totals Index: 31.10 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 13.50 C K Index: -25.80 Risk: None Sweat Index: 76.00 Risk: None Energy Index: 4.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.12 J/kg Max Up Vert Vel: 9.71 m/s Conv Inhibition (B-): 89516.47 J/kg Cap Strength: 24.86 C Lift Cond Lev (LCL): 929.94 mb = 728.15 m = 2388.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 20 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 1018 51 345 11 2.8 -10.6 | 190 10 1.7 9.7 1 1000 187 320 6 3.9 -4.6 | 190 16 2.8 15.7 2 984 305 320 9 5.8 -6.9 | 199 14 4.7 13.4 3 945 610 320 15 9.6 -11.5 | 224 12 8.5 8.8 4 925 768 320 14 9.0 -10.7 | 220 12 7.9 9.6 5 907 914 320 17 10.9 -13.0 | 234 12 9.8 7.3 6 871 1219 330 21 10.5 -18.2 | 257 10 9.4 2.1 7 850 1401 325 20 11.5 -16.4 | 249 11 10.4 3.9 8 803 1829 320 24 15.4 -18.4 | 262 14 14.3 1.9 9 771 2134 325 24 13.8 -19.7 | 267 13 12.7 0.6 10 740 2438 330 26 13.0 -22.5 | 281 12 11.9 -2.2 11 711 2743 335 24 10.1 -21.8 | 279 9 9.0 -1.5 12 700 2857 325 24 13.8 -19.7 | 267 13 12.7 0.6 13 626 3658 330 34 17.0 -29.4 | 300 18 15.9 -9.2 14 576 4267 335 31 13.1 -28.1 | 303 14 12.0 -7.8 15 552 4572 330 37 18.5 -32.0 | 304 21 17.4 -11.8 16 529 4877 325 30 17.2 -24.6 | 285 17 16.1 -4.3 17 507 5182 330 41 20.5 -35.5 | 308 25 19.4 -15.2 18 500 5280 325 36 20.6 -29.5 | 295 22 19.5 -9.2 19 464 5791 320 36 23.1 -27.6 | 288 23 22.0 -7.3 20 443 6096 325 43 24.7 -35.2 | 302 28 23.6 -14.9 21 400 6790 330 54 27.0 -46.8 | 316 37 25.9 -26.5 22 353 7620 330 61 30.5 -52.8 | 318 44 29.4 -32.5 23 317 8322 330 70 35.0 -60.6 | 320 53 33.9 -40.3 24 307 8534 330 70 35.0 -60.6 | 320 53 33.9 -40.3 25 300 8680 330 66 33.0 -57.2 | 319 49 31.9 -36.9 26 288 8945 330 66 33.0 -57.2 | 319 49 31.9 -36.9 27 279 9144 335 62 26.2 -56.2 | 325 44 25.1 -35.9 28 250 9860 325 45 25.8 -36.9 | 304 30 24.7 -16.6 29 221 10668 320 37 23.8 -28.3 | 290 24 22.7 -8.1 30 201 11278 330 32 16.0 -27.7 | 296 17 14.9 -7.4 31 200 11310 325 29 16.6 -23.8 | 283 16 15.5 -3.5 32 183 11887 315 27 19.1 -19.1 | 266 18 18.0 1.2 33 175 12192 325 29 16.6 -23.8 | 283 16 15.5 -3.5 34 152 13106 305 19 15.6 -10.9 | 237 17 14.5 9.4 35 150 13200 320 14 9.0 -10.7 | 220 12 7.9 9.6 36 145 13411 325 15 8.6 -12.3 | 223 11 7.5 8.0 37 133 14021 300 11 9.5 -5.5 | 210 17 8.4 14.8 38 127 14326 335 10 4.2 -9.1 | 196 12 3.1 11.2 39 121 14630 270 10 10.0 -0.0 | 204 22 8.9 20.3 40 110 15240 300 19 16.5 -9.5 | 235 19 15.4 10.8 41 105 15545 335 10 4.2 -9.1 | 196 12 3.1 11.2 42 101 15850 280 10 9.8 -1.7 | 205 21 8.7 18.6 43 100 15890 285 11 10.6 -2.8 | 209 20 9.5 17.4 44 96 16154 300 12 10.4 -6.0 | 213 17 9.3 14.3 45 92 16459 275 10 10.0 -0.9 | 205 21 8.9 19.4 46 84 17069 315 11 7.8 -7.8 | 208 14 6.7 12.5 47 80 17374 235 10 8.2 5.7 | 195 27 7.1 26.0 48 76 17678 295 18 16.3 -7.6 | 230 20 15.2 12.7 49 73 17983 345 16 4.1 -15.5 | 212 6 3.0 4.8 50 70 18250 25 6 -2.5 -5.4 | 166 15 -3.6 14.8 51 66 18593 0 0 -0.0 -0.0 | 177 20 -1.1 20.3 52 50 20460 90 3 -3.0 0.0 | 169 21 -4.1 20.3 53 44 21336 250 1 0.9 0.3 | 180 21 -0.2 20.6 54 30 23774 85 11 -11.0 -1.0 | 148 23 -12.1 19.3 55 30 23810 85 8 -8.0 -0.7 | 155 22 -9.1 19.6 56 29 24079 70 10 -9.4 -3.4 | 148 20 -10.5 16.9 57 26 24689 125 11 -9.0 6.3 | 159 28 -10.1 26.6 58 24 25298 50 10 -7.7 -6.4 | 148 16 -8.8 13.9 59 23 25603 95 13 -13.0 1.1 | 147 26 -14.0 21.4 60 22 25908 110 17 -16.0 5.8 | 147 31 -17.1 26.1 61 21 26213 145 13 -7.5 10.6 | 165 32 -8.6 30.9 62 20 26470 125 7 -5.7 4.0 | 164 25 -6.8 24.3 63 18 27127 0 0 -0.0 -0.0 | 177 20 -1.1 20.3 64 17 27432 40 8 -5.1 -6.1 | 156 15 -6.2 14.2 65 17 27737 95 12 -12.0 1.0 | 149 25 -13.1 21.3 66 15 28346 110 10 -9.4 3.4 | 156 26 -10.5 23.7 67 14 28651 100 13 -12.8 2.3 | 148 26 -13.9 22.5 68 14 28956 120 10 -8.7 5.0 | 159 27 -9.8 25.3 69 11 30175 105 4 -3.9 1.0 | 167 22 -5.0 21.3 70 10 31050 90 8 -8.0 0.0 | 156 22 -9.1 20.3 Wind Parameters Mean winds (0-6000m): 326.9 at 27.1 knts Storm direction: 356.9 at 20.3 knts Shear (0-3000m) pos: 1.7 neg: 1.9 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 86.8 deg Storm rel helicity (0-3000m) pos: 77.6 neg: -11.0 tot: 66.6 m^2/s^2 ave: 22.2 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 3.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.18 Bulk Shear: 40.08 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 ------------------------------------------------------------------------------- 500 324 10 200 13| 0.0 6.2 6.2| 24.1 0.0 24.1 48.1 0.57| 12.1 6.9 1000 322 13 213 12| 2.6 3.1 5.7| 42.1 -2.0 40.0 40.0 0.64| 9.5 6.1 1500 324 15 225 11| 1.8 2.8 4.5| 50.7 -4.2 46.5 31.0 0.59| 8.2 4.8 2000 323 17 235 11| 2.0 2.1 4.1| 59.7 -4.2 55.4 27.7 0.59| 7.2 4.3 2500 324 19 243 11| 2.0 1.7 3.7| 70.2 -4.4 65.8 26.3 0.61| 6.7 4.1 3000 325 20 249 11| 1.7 1.9 3.5| 77.6 -11.0 66.6 22.2 0.48| 6.9 3.3 4000 327 23 264 11| 2.1 1.4 3.5|106.6 -11.0 95.6 23.9 0.52| 6.5 3.4 5000 328 25 274 12| 1.7 1.6 3.3|130.4 -39.3 91.2 18.2 0.36| 7.3 2.6 6000 327 27 280 14| 1.9 1.6 3.5|179.4 -80.6 98.8 16.5 0.30| 7.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250415.12.gif