UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 17 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 1026 51 -28.5 -31.5 75 3.0 -28.7 5 13 242.9 242.9 242.8 243.6 0.27 1 1023 72 -27.7 -29.1 88 1.4 -27.8 5 12 243.9 243.9 243.9 244.8 0.34 2 1015 129 -22.1 -26.3 69 4.2 -22.5 5 10 250.0 250.1 249.6 251.2 0.44 3 1006 194 -20.1 -24.1 70 4.0 -20.6 5 8 252.6 252.7 252.2 254.1 0.54 4 1000 238 -20.3 -24.1 72 3.8 -20.8 5 7 252.9 252.9 252.4 254.3 0.54 5 968 479 -18.7 -20.2 88 1.5 -18.9 12 8 256.8 257.0 256.2 259.0 0.79 6 925 819 -17.1 -22.1 65 5.0 -17.9 10 12 261.8 261.9 260.0 263.8 0.70 7 850 1457 -14.1 -29.1 27 15.0 -16.3 360 16 271.4 271.4 266.4 272.6 0.41 8 833 1610 -14.1 -32.1 20 18.0 -16.6 359 15 272.9 273.0 267.3 273.9 0.31 9 818 1748 -14.5 -34.5 17 20.0 -17.0 6 12 273.9 274.0 267.8 274.7 0.25 10 741 2491 -18.5 -32.5 28 14.0 -20.3 30 8 277.4 277.5 270.2 278.5 0.34 11 700 2914 -19.7 -36.7 21 17.0 -21.6 20 12 280.7 280.7 272.0 281.4 0.24 12 633 3655 -24.1 -46.1 11 22.0 -25.8 9 17 283.8 283.9 273.5 284.2 0.10 13 586 4214 -27.1 -43.1 20 16.0 -28.3 9 15 286.7 286.7 275.2 287.2 0.14 14 500 5340 -35.1 -54.1 13 19.0 -35.9 335 15 290.2 290.3 276.9 290.4 0.05 15 484 5566 -36.7 -56.7 11 20.0 -37.4 337 15 291.0 291.0 277.2 291.1 0.04 16 471 5754 -38.1 -51.1 24 13.0 -38.7 344 14 291.5 291.5 277.6 291.8 0.07 17 460 5916 -39.5 -58.5 12 19.0 -40.1 335 14 291.8 291.8 277.6 291.9 0.03 18 452 6035 -40.3 -58.3 13 18.0 -40.8 326 15 292.2 292.2 277.8 292.3 0.03 19 449 6081 -40.7 -46.7 52 6.0 -41.0 322 15 292.3 292.3 278.0 292.7 0.13 20 444 6157 -41.5 -47.5 52 6.0 -41.8 320 15 292.2 292.2 277.9 292.6 0.12 21 439 6234 -41.7 -49.7 42 8.0 -42.0 320 15 292.9 292.9 278.3 293.2 0.09 22 432 6342 -41.9 -57.9 16 16.0 -42.3 320 15 294.0 294.0 278.7 294.1 0.04 23 419 6549 -42.7 -55.7 23 13.0 -43.1 313 19 295.5 295.6 279.4 295.7 0.05 24 413 6646 -43.7 -53.7 32 10.0 -44.0 308 21 295.5 295.5 279.4 295.7 0.06 25 400 6860 -45.3 -54.3 36 9.0 -45.6 305 26 296.1 296.1 279.7 296.3 0.06 26 359 7572 -50.9 -57.9 43 7.0 -51.0 300 30 297.9 297.9 280.5 298.1 0.04 27 353 7681 -51.3 -58.3 43 7.0 -51.4 300 30 298.8 298.8 280.9 299.0 0.04 28 346 7811 -51.5 -68.5 11 17.0 -51.7 301 29 300.3 300.3 281.4 300.3 0.01 29 323 8255 -53.5 -65.5 22 12.0 -53.7 305 26 303.5 303.5 282.8 303.5 0.02 30 300 8730 -53.7 -71.7 9 18.0 -53.9 325 28 309.7 309.7 285.2 309.7 0.01 31 264 9556 -52.5 -77.5 3 25.0 -52.8 320 20 322.9 322.9 289.6 323.0 0.00 32 250 9910 -51.1 -80.1 2 29.0 -51.4 335 17 330.1 330.1 291.7 330.1 0.00 33 215 10896 -49.3 -81.3 1 32.0 -49.8 321 16 347.4 347.4 296.1 347.4 0.00 34 200 11370 -49.3 -81.3 1 32.0 -49.8 335 13 354.7 354.7 297.6 354.7 0.00 35 155 13035 -49.3 -82.3 1 33.0 -50.0 285 11 381.5 381.5 302.5 381.5 0.00 36 150 13250 -48.9 -82.9 1 34.0 -49.6 325 12 385.8 385.8 303.2 385.8 0.00 37 117 14890 -47.3 -82.3 1 35.0 -48.4 331 7 417.2 417.2 307.4 417.2 0.00 38 100 15930 -47.3 -83.3 1 36.0 -48.6 280 7 436.3 436.3 309.5 436.4 0.00 39 94 16338 -47.5 -83.5 1 36.0 -48.8 290 7 443.7 443.7 310.3 443.8 0.00 40 84 17084 -45.3 -82.3 1 37.0 -47.0 332 7 462.7 462.7 312.0 462.7 0.01 41 76 17747 -47.9 -83.9 1 36.0 -49.4 9 6 470.7 470.7 312.7 470.7 0.00 42 70 18290 -47.3 -83.3 1 36.0 -49.0 40 6 483.2 483.2 313.7 483.2 0.01 43 50 20510 -48.9 -84.9 1 36.0 -50.8 50 4 528.2 528.2 316.8 528.3 0.01 44 30 23870 -49.3 -85.3 1 36.0 -52.1 155 7 610.2 610.2 321.0 610.3 0.01 45 24 25329 -48.3 -85.3 1 37.0 -51.8 83 10 653.4 653.4 322.8 653.4 0.01 46 20 26520 -49.9 -85.9 1 36.0 -53.4 90 12 683.4 683.4 323.9 683.5 0.01 47 10 31060 -47.7 -85.7 0 38.0 -54.2 85 11 841.5 841.5 328.2 841.7 0.03 48 8.7 31976 -49.5 -86.5 1 37.0 -55.7 868.7 868.7 328.8 868.9 0.03 49 5.2 35429 -38.7 -80.7 0 42.0 -53.1 1055.1 1055.1 332.0 1056.4 0.11 TRP 323 8255 -53.5 -65.5 22 12.0 -53.7 305 26 303.5 303.5 282.8 303.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5102.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 30.21 % Est. max temperature: -3.24 C = 26.17 F Sfc-Lift cond lev (LCL): 975.37 mb = 423.15 m = 1388.26 ft T: -19.07 C 700-500 lapse rate: 6.35 C/km Conv cond level (CCL): 1023.00 mb = 71.88 m = 235.83 ft Mean mixing ratio: 0.65 g/kg Conv temperature: -21.66 C = -7.00 F Cap Strength: 25.50 C Lifted Index: 27.17 C Risk: None Lifted Index @300 mb: 37.22 C Lifted Index @700 mb: 21.65 C Showalter Index: 14.68 C Risk: None Total Totals Index: 27.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 6.00 C K Index: -25.10 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.35 J/kg Max Up Vert Vel: 9.93 m/s Conv Inhibition (B-): 87893.97 J/kg Cap Strength: 27.18 C Lift Cond Lev (LCL): 930.75 mb = 772.69 m = 2535.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 34 at 10 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 1026 51 5 13 -1.1 -13.0 | 315 6 4.5 -4.5 1 1000 238 5 7 -0.6 -7.0 | 254 5 5.1 1.5 2 991 305 360 6 -0.0 -6.0 | 247 6 5.7 2.4 3 951 610 20 9 -3.1 -8.5 | 270 3 2.6 -0.0 4 925 819 10 12 -2.1 -11.8 | 313 5 3.6 -3.4 5 913 914 10 13 -2.3 -12.8 | 322 6 3.4 -4.4 6 877 1219 5 15 -1.3 -14.9 | 326 8 4.4 -6.5 7 850 1457 360 16 -0.0 -16.0 | 323 9 5.7 -7.6 8 842 1524 355 17 1.5 -16.9 | 320 11 7.1 -8.5 9 809 1829 10 10 -1.7 -9.8 | 290 4 3.9 -1.4 10 777 2134 15 13 -3.4 -12.6 | 331 5 2.3 -4.1 11 746 2438 30 7 -3.5 -6.1 | 222 3 2.2 2.4 12 716 2743 30 14 -7.0 -12.1 | 20 4 -1.3 -3.7 13 700 2914 20 12 -4.1 -11.3 | 331 3 1.6 -2.8 14 659 3353 355 16 1.4 -15.9 | 317 10 7.1 -7.5 15 631 3658 10 17 -3.0 -16.7 | 342 9 2.7 -8.3 16 605 3962 20 15 -5.1 -14.1 | 355 6 0.5 -5.7 17 580 4267 5 15 -1.3 -14.9 | 326 8 4.4 -6.5 18 533 4877 355 16 1.4 -15.9 | 317 10 7.1 -7.5 19 511 5182 15 17 -4.4 -16.4 | 351 8 1.3 -8.0 20 500 5340 335 15 6.3 -13.6 | 293 13 12.0 -5.2 21 489 5486 335 15 6.3 -13.6 | 293 13 12.0 -5.2 22 468 5791 345 14 3.6 -13.5 | 299 11 9.3 -5.1 23 447 6096 320 15 9.6 -11.5 | 281 16 15.3 -3.0 24 428 6401 320 15 9.6 -11.5 | 281 16 15.3 -3.0 25 409 6706 305 23 18.8 -13.2 | 281 25 24.5 -4.7 26 400 6860 305 26 21.3 -14.9 | 283 28 27.0 -6.5 27 356 7620 300 30 26.0 -15.0 | 282 32 31.6 -6.6 28 323 8255 305 26 21.3 -14.9 | 283 28 27.0 -6.5 29 309 8534 305 25 20.5 -14.3 | 283 27 26.1 -5.9 30 300 8730 325 28 16.1 -22.9 | 304 26 21.7 -14.5 31 295 8839 325 26 14.9 -21.3 | 302 24 20.6 -12.9 32 281 9144 320 20 12.9 -15.3 | 290 20 18.5 -6.9 33 256 9754 320 20 12.9 -15.3 | 290 20 18.5 -6.9 34 250 9910 335 17 7.2 -15.4 | 298 15 12.9 -7.0 35 244 10058 335 16 6.8 -14.5 | 296 14 12.4 -6.1 36 223 10668 325 14 8.0 -11.5 | 282 14 13.7 -3.0 37 213 10973 320 16 10.3 -12.3 | 283 16 16.0 -3.8 38 200 11370 335 13 5.5 -11.8 | 287 12 11.2 -3.3 39 194 11582 335 12 5.1 -10.9 | 283 11 10.7 -2.4 40 176 12192 305 11 9.0 -6.3 | 262 15 14.7 2.1 41 161 12802 320 11 7.1 -8.4 | 270 13 12.7 0.0 42 153 13106 275 11 11.0 -1.0 | 246 18 16.6 7.5 43 150 13250 325 12 6.9 -9.8 | 276 13 12.6 -1.4 44 146 13411 325 12 6.9 -9.8 | 276 13 12.6 -1.4 45 133 14021 305 10 8.2 -5.7 | 259 14 13.9 2.7 46 127 14326 325 10 5.7 -8.2 | 269 11 11.4 0.3 47 111 15240 335 5 2.1 -4.5 | 243 9 7.8 3.9 48 100 15930 280 7 6.9 -1.2 | 240 14 12.6 7.2 49 97 16154 280 7 6.9 -1.2 | 240 14 12.6 7.2 50 70 18290 40 6 -3.9 -4.6 | 205 4 1.8 3.8 51 64 18898 0 0 -0.0 -0.0 | 214 10 5.7 8.4 52 50 20510 50 4 -3.1 -2.6 | 204 6 2.6 5.9 53 44 21336 105 7 -6.8 1.8 | 174 10 -1.1 10.3 54 38 22250 90 14 -14.0 0.0 | 135 12 -8.3 8.4 55 37 22555 110 14 -13.2 4.8 | 150 15 -7.5 13.2 56 35 22860 80 16 -15.8 -2.8 | 119 12 -10.1 5.7 57 32 23470 95 15 -14.9 1.3 | 136 13 -9.3 9.8 58 30 23774 130 16 -12.3 10.3 | 161 20 -6.6 18.7 59 30 23870 155 7 -3.0 6.3 | 190 15 2.7 14.8 60 23 25603 70 10 -9.4 -3.4 | 143 6 -3.7 5.0 61 21 26213 80 13 -12.8 -2.3 | 131 9 -7.1 6.2 62 20 26518 110 12 -11.3 4.1 | 156 14 -5.6 12.5 63 20 26520 90 12 -12.0 0.0 | 143 11 -6.3 8.4 64 19 26822 90 12 -12.0 0.0 | 143 11 -6.3 8.4 65 17 27432 100 16 -15.8 2.8 | 138 15 -10.1 11.2 66 17 27737 90 13 -13.0 0.0 | 139 11 -7.3 8.4 67 15 28346 130 15 -11.5 9.6 | 162 19 -5.8 18.1 68 14 28651 85 13 -13.0 -1.1 | 135 10 -7.3 7.3 69 14 28956 95 12 -12.0 1.0 | 146 11 -6.3 9.5 70 13 29261 75 16 -15.5 -4.1 | 114 11 -9.8 4.3 71 13 29566 100 20 -19.7 3.5 | 130 18 -14.0 11.9 72 12 29870 120 13 -11.3 6.5 | 159 16 -5.6 14.9 73 10 31060 85 11 -11.0 -1.0 | 145 9 -5.3 7.5 Wind Parameters Mean winds (0-6000m): 3.9 at 13.6 knts Storm direction: 33.9 at 10.2 knts Shear (0-3000m) pos: 2.5 neg: 2.4 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 12.7 deg Storm rel helicity (0-3000m) pos: 9.8 neg: -21.2 tot: -11.4 m^2/s^2 ave: -3.8 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.77 Bulk Shear: 3.87 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 7 8 266 5| 5.2 0.0 5.2| 1.3 -8.5 -7.1 -14.3 -0.55| 9.5 -5.2 1000 10 10 287 4| 2.6 2.9 5.5| 5.4 -8.5 -3.1 -3.1 -0.07| 7.9 -0.6 1500 7 12 306 5| 1.7 3.1 4.8| 5.7 -11.0 -5.3 -3.6 -0.10| 6.7 -0.7 2000 6 12 307 5| 2.7 2.3 5.0| 7.9 -15.5 -7.6 -3.8 -0.10| 7.3 -0.7 2500 9 11 306 5| 3.0 1.8 4.9| 9.1 -18.3 -9.2 -3.7 -0.14| 7.7 -1.1 3000 12 12 311 4| 2.5 2.4 4.9| 9.8 -21.2 -11.4 -3.8 -0.12| 8.1 -0.9 4000 10 13 320 5| 2.3 2.3 4.6| 23.0 -25.9 -2.8 -0.7 -0.04| 7.8 -0.3 5000 8 13 321 6| 1.9 2.1 4.0| 30.3 -33.4 -3.1 -0.6 -0.04| 7.2 -0.3 6000 4 14 317 7| 1.6 2.2 3.7| 37.6 -69.7 -32.1 -5.3 -0.15| 7.7 -1.1 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250417.12.gif