UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 18 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 1020 51 -27.3 -29.9 78 2.6 -27.5 125 2 244.5 244.5 244.3 245.3 0.31 1 1015 88 -25.3 -26.3 91 1.0 -25.4 146 3 246.8 246.9 246.8 248.0 0.44 2 1000 200 -21.1 -22.5 88 1.4 -21.3 210 5 252.1 252.1 251.9 253.7 0.63 3 993 252 -17.3 -20.8 74 3.5 -17.9 218 8 256.4 256.5 255.8 258.4 0.73 4 925 787 -14.5 -23.5 46 9.0 -16.0 255 10 264.5 264.6 261.9 266.2 0.62 5 920 828 -14.3 -24.3 42 10.0 -15.9 257 9 265.1 265.2 262.3 266.8 0.58 6 881 1159 -11.7 -28.7 23 17.0 -14.3 272 7 271.1 271.2 266.2 272.3 0.41 7 850 1433 -12.1 -29.1 23 17.0 -14.7 270 5 273.5 273.5 267.8 274.7 0.41 8 744 2446 -15.1 -40.1 10 25.0 -18.0 310 7 280.8 280.9 271.9 281.3 0.16 9 730 2589 -15.3 -32.3 22 17.0 -17.7 315 7 282.1 282.2 273.0 283.2 0.35 10 720 2693 -15.9 -27.9 35 12.0 -17.9 318 8 282.6 282.7 273.6 284.2 0.53 11 700 2905 -17.1 -29.1 34 12.0 -19.0 315 10 283.5 283.6 274.0 285.1 0.49 12 695 2959 -17.3 -27.3 41 10.0 -19.0 313 10 283.9 284.0 274.4 285.7 0.59 13 636 3618 -21.1 -34.1 30 13.0 -22.7 291 12 286.9 286.9 275.6 288.0 0.34 14 565 4481 -27.3 -28.7 88 1.4 -27.5 285 16 289.5 289.6 277.4 291.5 0.63 15 502 5322 -32.9 -35.0 81 2.1 -33.1 286 17 292.6 292.7 278.6 293.9 0.39 16 500 5350 -33.1 -35.4 80 2.3 -33.3 285 18 292.7 292.7 278.6 293.9 0.38 17 495 5421 -33.1 -36.3 73 3.2 -33.4 298 20 293.5 293.6 278.9 294.7 0.35 18 434 6339 -37.5 -38.3 92 0.8 -37.5 324 27 299.2 299.2 281.4 300.3 0.32 19 425 6484 -38.3 -39.8 86 1.5 -38.4 327 29 300.0 300.0 281.7 300.9 0.28 20 424 6500 -38.3 -40.9 76 2.6 -38.5 327 29 300.2 300.2 281.8 301.0 0.25 21 423 6516 -38.7 -59.7 9 21.0 -39.4 328 30 299.9 299.9 281.3 300.0 0.03 22 422 6533 -38.7 -79.7 1 41.0 -39.5 328 30 300.1 300.1 281.4 300.1 0.00 23 406 6798 -39.7 -56.7 15 17.0 -40.3 333 34 302.1 302.1 282.3 302.3 0.04 24 400 6900 -40.5 -49.5 37 9.0 -40.9 335 35 302.4 302.4 282.5 302.7 0.10 25 397 6951 -40.9 -48.9 42 8.0 -41.3 330 34 302.5 302.5 282.5 302.9 0.11 26 395 6986 -40.5 -45.4 59 4.9 -40.8 327 33 303.4 303.5 283.0 304.0 0.17 27 392 7038 -38.9 -47.9 38 9.0 -39.4 327 33 306.2 306.2 284.1 306.7 0.13 28 389 7090 -38.7 -43.7 59 5.0 -39.0 330 35 307.1 307.2 284.5 307.9 0.20 29 386 7143 -38.9 -42.7 67 3.8 -39.2 333 37 307.5 307.6 284.7 308.4 0.23 30 382 7215 -39.5 -43.0 69 3.5 -39.7 338 40 307.7 307.7 284.7 308.5 0.22 31 374 7359 -40.7 -43.0 78 2.3 -40.8 345 45 308.0 308.0 284.8 308.8 0.23 32 337 8062 -44.1 -49.1 57 5.0 -44.3 345 58 312.6 312.7 286.4 313.1 0.13 33 313 8552 -48.5 -50.9 76 2.4 -48.6 345 65 313.2 313.2 286.6 313.6 0.11 34 306 8701 -49.5 -53.3 64 3.8 -49.6 345 66 313.8 313.8 286.8 314.1 0.09 35 304 8744 -49.9 -53.0 69 3.1 -50.0 345 67 313.8 313.8 286.8 314.2 0.09 36 300 8830 -50.7 -52.5 81 1.8 -50.8 350 65 313.9 313.9 286.8 314.3 0.10 37 288 9094 -52.5 -55.4 71 2.9 -52.6 349 65 315.0 315.0 287.2 315.3 0.07 38 280 9275 -52.5 -63.5 25 11.0 -52.7 352 62 317.6 317.6 288.0 317.7 0.03 39 278 9321 -52.1 -61.1 33 9.0 -52.3 353 61 318.8 318.8 288.4 318.9 0.04 40 269 9533 -53.9 -60.9 42 7.0 -54.1 355 58 319.2 319.2 288.5 319.3 0.04 41 264 9653 -54.7 -63.7 32 9.0 -54.8 355 57 319.7 319.7 288.7 319.8 0.03 42 251 9975 -54.9 -69.9 14 15.0 -55.1 350 56 324.1 324.1 290.0 324.1 0.01 43 250 10000 -54.9 -69.9 14 15.0 -55.1 350 56 324.4 324.4 290.1 324.5 0.01 44 232 10479 -52.3 -81.3 2 29.0 -52.6 350 44 335.4 335.4 293.2 335.4 0.00 45 200 11440 -50.5 -81.5 1 31.0 -51.0 330 32 352.8 352.8 297.3 352.8 0.00 46 186 11914 -50.1 -81.1 1 31.0 -50.6 331 30 360.8 360.8 298.9 360.9 0.00 47 173 12387 -50.5 -81.5 1 31.0 -51.0 333 28 367.7 367.7 300.2 367.8 0.00 TRP 264 9653 -54.7 -63.7 32 9.0 -54.8 355 57 319.7 319.7 288.7 319.8 0.03 WND 304 8744 -49.9 -53.0 69 3.1 -50.0 345 67 313.8 313.8 286.8 314.2 0.09 Sounding variables and indices 1000-500 mb thick: 5150.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 47.24 % Est. max temperature: 0.32 C = 32.58 F Sfc-Lift cond lev (LCL): 976.39 mb = 379.41 m = 1244.76 ft T: -16.63 C 700-500 lapse rate: 6.54 C/km Conv cond level (CCL): 1015.00 mb = 87.65 m = 287.55 ft Mean mixing ratio: 0.64 g/kg Conv temperature: -21.79 C = -7.22 F Cap Strength: 27.08 C Lifted Index: 27.11 C Risk: None Lifted Index @300 mb: 38.40 C Lifted Index @700 mb: 22.02 C Showalter Index: 15.01 C Risk: None Total Totals Index: 25.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 4.00 C K Index: -20.10 Risk: None Sweat Index: 28.00 Risk: None Energy Index: 4.08 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.13 J/kg Max Up Vert Vel: 11.24 m/s Conv Inhibition (B-): 16012.50 J/kg Cap Strength: 27.12 C Lift Cond Lev (LCL): 890.61 mb = 1075.83 m = 3529.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 323 at 9 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 51 125 2 -1.6 1.1 | 139 11 -6.9 8.1 1 1000 200 210 5 2.5 4.3 | 166 12 -2.8 11.3 2 986 305 225 11 7.8 7.8 | 190 15 2.5 14.7 3 947 610 240 9 7.8 4.5 | 192 12 2.5 11.4 4 925 787 255 10 9.7 2.6 | 205 10 4.4 9.5 5 910 914 260 8 7.9 1.4 | 197 9 2.6 8.3 6 874 1219 275 7 7.0 -0.6 | 195 7 1.7 6.3 7 850 1433 270 5 5.0 -0.0 | 178 7 -0.3 6.9 8 807 1829 295 6 5.4 -2.5 | 182 4 0.1 4.4 9 775 2134 335 7 3.0 -6.3 | 104 2 -2.3 0.6 10 744 2438 310 7 5.4 -4.5 | 181 2 0.1 2.4 11 715 2743 320 8 5.1 -6.1 | 169 1 -0.2 0.8 12 700 2905 315 10 7.1 -7.1 | 275 2 1.8 -0.1 13 658 3353 295 10 9.1 -4.2 | 234 5 3.8 2.7 14 631 3658 290 12 11.3 -4.1 | 245 7 6.0 2.8 15 605 3962 305 14 11.5 -8.0 | 280 6 6.2 -1.1 16 580 4267 275 17 16.9 -1.5 | 245 13 11.6 5.5 17 557 4572 290 16 15.0 -5.5 | 261 10 9.7 1.5 18 534 4877 280 14 13.8 -2.4 | 242 10 8.5 4.5 19 512 5182 290 13 12.2 -4.4 | 250 7 6.9 2.5 20 500 5350 285 18 17.4 -4.7 | 259 12 12.1 2.3 21 490 5486 310 21 16.1 -13.5 | 301 13 10.8 -6.6 22 449 6096 320 24 15.4 -18.4 | 319 15 10.1 -11.5 23 400 6900 335 35 14.8 -31.7 | 339 27 9.5 -24.8 24 393 7010 325 32 18.4 -26.2 | 326 23 13.1 -19.3 25 376 7315 345 44 11.4 -42.5 | 350 36 6.1 -35.6 26 359 7620 345 53 13.7 -51.2 | 349 45 8.4 -44.3 27 304 8744 345 67 17.3 -64.7 | 348 59 12.0 -57.8 28 300 8830 350 65 11.3 -64.0 | 354 57 6.0 -57.1 29 300 8839 345 67 17.3 -64.7 | 348 59 12.0 -57.8 30 286 9144 350 65 11.3 -64.0 | 354 57 6.0 -57.1 31 272 9449 355 58 5.1 -57.8 | 0 51 -0.2 -50.8 32 264 9653 355 57 5.0 -56.8 | 0 50 -0.3 -49.9 33 250 10000 350 56 9.7 -55.1 | 355 48 4.4 -48.2 34 225 10668 350 40 6.9 -39.4 | 357 33 1.6 -32.5 35 200 11440 330 32 16.0 -27.7 | 333 23 10.7 -20.8 36 194 11582 330 32 16.0 -27.7 | 333 23 10.7 -20.8 37 162 12497 335 25 10.6 -22.7 | 341 17 5.3 -15.7 Wind Parameters Mean winds (0-6000m): 292.6 at 11.6 knts Storm direction: 322.6 at 8.7 knts Shear (0-3000m) pos: 1.5 neg: 0.7 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 115.0 deg Storm rel helicity (0-3000m) pos: 46.1 neg: -8.3 tot: 37.8 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.68 Bulk Shear: 17.17 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 ------------------------------------------------------------------------------- 500 224 8 180 13| 10.6 0.0 10.6| 38.1 0.0 38.1 76.2 0.83| 14.4 11.9 1000 240 8 189 11| 4.7 0.0 4.7| 43.9 -1.9 42.0 42.0 0.64| 10.2 6.6 1500 249 8 190 10| 2.4 0.0 2.4| 44.2 -5.9 38.3 25.5 0.46| 8.0 3.7 2000 259 7 192 9| 2.2 0.0 2.2| 44.6 -7.4 37.2 18.6 0.31| 7.4 2.3 2500 271 7 195 7| 1.8 0.3 2.1| 45.8 -8.0 37.9 15.1 0.31| 6.8 2.1 3000 281 7 200 6| 1.5 0.7 2.2| 46.1 -8.3 37.8 12.6 0.30| 6.4 1.9 4000 288 9 213 5| 1.6 0.9 2.4| 53.8 -12.0 41.8 10.4 0.28| 6.2 1.7 5000 286 10 225 6| 1.3 0.8 2.0| 62.9 -29.3 33.7 6.7 0.16| 6.4 1.0 6000 293 12 246 6| 2.2 0.6 2.9|110.3 -29.3 81.1 13.5 0.31| 7.0 2.1 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250418.12.gif