UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 18 JAN 26 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 1006 51 -30.3 -33.4 74 3.1 -30.5 310 28 242.4 242.5 242.3 243.0 0.23 1 1000 97 -30.7 315 22 242.4 2 974 284 -32.1 324 41 242.9 3 960 386 -31.5 330 42 244.5 4 948 476 -28.9 336 42 248.0 5 932 597 -29.7 344 41 248.4 6 925 651 -29.1 340 43 249.6 7 910 768 -27.1 338 43 252.8 8 850 1258 -28.5 340 46 256.3 9 746 2183 -33.1 331 43 261.0 10 713 2501 -32.3 335 45 265.3 11 700 2631 -32.5 335 45 266.5 12 600 3698 -40.1 340 45 269.7 13 566 4095 -40.3 340 48 274.0 14 500 4930 -45.1 340 58 278.1 15 476 5258 -47.3 340 59 279.3 16 418 6113 -50.3 340 61 286.0 17 412 6207 -50.6 340 65 286.8 18 400 6400 -51.3 340 63 288.3 19 322 7802 -53.7 337 53 303.5 20 301 8238 -51.3 354 50 312.7 21 300 8260 -51.5 355 50 312.8 22 274 8845 -54.7 350 34 316.3 23 266 9036 -51.5 343 44 323.7 24 260 9184 -51.9 341 48 325.2 25 250 9440 -49.3 350 43 332.8 26 249 9466 -48.7 350 43 334.0 27 200 10890 -52.7 345 47 349.3 28 190 11220 -53.9 345 53 352.5 29 176 11717 -48.9 346 59 368.6 30 150 12760 -51.3 350 55 381.7 31 116 14417 -54.1 333 55 405.6 32 108 14879 -50.7 338 62 420.4 33 100 15380 -50.3 335 57 430.5 34 90 16067 -51.9 336 64 440.5 35 79 16921 -48.1 338 74 465.1 36 70 17720 -47.7 340 72 482.3 37 67 18010 -48.1 340 69 487.6 38 52 19705 -42.5 332 74 537.3 39 50 19970 -44.1 330 74 539.5 40 40 21447 -48.9 331 83 563.0 41 34 22517 -46.3 330 81 596.7 42 31 23125 -49.5 344 86 604.0 43 30 23340 -48.7 340 79 611.9 44 28 23796 -46.1 340 77 631.3 45 23 25092 -49.7 338 77 657.2 46 20 26010 -47.7 340 75 690.2 47 18 26702 -50.3 340 70 703.1 48 17 27075 -49.9 340 71 716.0 TRP WND 412 6207 -50.6 340 65 286.8 Sounding variables and indices 1000-500 mb thick: 4833.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.00 inches Sfc-500 mean rel hum: -nan % Est. max temperature: -16.79 C = 1.79 F 700-500 lapse rate: 5.48 C/km ThetaE index: 10242.05 C Layer 1000.0- 500.0 mb Conv cond level (CCL): None Cap Strength: -9725.85 C Lifted Index: 26.01 C Risk: None Lifted Index @300 mb: 47.07 C Lifted Index @700 mb: 18.20 C Showalter Index: 17.85 C Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 363326.97 J/kg Max Up Vert Vel: 852.44 m/s Conv Inhibition (B-): 264607.78 J/kg Cap Strength: 246.05 C Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 at 36 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 1006 51 310 28 21.4 -18.0 | 236 32 26.2 17.5 1 1000 97 315 22 15.6 -15.6 | 225 28 20.3 20.0 2 971 305 325 43 24.7 -35.2 | 269 29 29.4 0.3 3 930 610 345 41 10.6 -39.6 | 285 16 15.3 -4.1 4 925 651 340 43 14.7 -40.4 | 284 20 19.4 -4.9 5 892 914 335 44 18.6 -39.9 | 281 24 23.3 -4.4 6 855 1219 340 47 16.1 -44.2 | 293 23 20.8 -8.6 7 850 1258 340 46 15.7 -43.2 | 291 22 20.5 -7.7 8 784 1829 335 44 18.6 -39.9 | 281 24 23.3 -4.4 9 751 2134 330 43 21.5 -37.2 | 274 26 26.2 -1.7 10 719 2438 335 45 19.0 -40.8 | 282 24 23.8 -5.3 11 700 2631 335 45 19.0 -40.8 | 282 24 23.8 -5.3 12 689 2743 335 43 18.2 -39.0 | 279 23 22.9 -3.5 13 602 3658 340 45 15.4 -42.3 | 289 21 20.1 -6.8 14 576 3962 340 46 15.7 -43.2 | 291 22 20.5 -7.7 15 551 4267 340 50 17.1 -47.0 | 298 25 21.8 -11.5 16 504 4877 340 56 19.2 -52.6 | 306 29 23.9 -17.1 17 500 4930 340 58 19.8 -54.5 | 308 31 24.6 -19.0 18 419 6096 340 60 20.5 -56.4 | 310 33 25.3 -20.9 19 412 6207 340 65 22.2 -61.1 | 313 37 27.0 -25.6 20 400 6400 340 63 21.5 -59.2 | 312 35 26.3 -23.7 21 400 6401 340 65 22.2 -61.1 | 313 37 27.0 -25.6 22 331 7620 340 54 18.5 -50.7 | 303 28 23.2 -15.2 23 316 7925 335 52 22.0 -47.1 | 293 29 26.7 -11.6 24 300 8260 355 50 4.4 -49.8 | 328 17 9.1 -14.3 25 288 8534 10 46 -8.0 -45.3 | 18 10 -3.3 -9.8 26 274 8839 350 34 5.9 -33.5 | 259 11 10.6 2.0 27 262 9144 340 49 16.8 -46.0 | 296 24 21.5 -10.5 28 250 9440 350 43 7.5 -42.3 | 299 14 12.2 -6.8 29 227 10058 345 39 10.1 -37.7 | 278 15 14.8 -2.2 30 207 10668 345 44 11.4 -42.5 | 293 18 16.1 -7.0 31 200 10890 345 47 12.2 -45.4 | 300 20 16.9 -9.9 32 180 11582 345 59 15.3 -57.0 | 317 29 20.0 -21.5 33 150 12760 350 55 9.6 -54.2 | 323 23 14.3 -18.6 34 142 13106 355 49 4.3 -48.8 | 326 16 9.0 -13.3 35 129 13716 345 44 11.4 -42.5 | 293 18 16.1 -7.0 36 112 14630 330 58 29.0 -50.2 | 294 37 33.7 -14.7 37 107 14935 340 63 21.5 -59.2 | 312 35 26.3 -23.7 38 102 15240 340 58 19.8 -54.5 | 308 31 24.6 -19.0 39 100 15380 335 57 24.1 -51.7 | 299 33 28.8 -16.1 40 98 15545 335 57 24.1 -51.7 | 299 33 28.8 -16.1 41 70 17678 340 84 28.7 -78.9 | 322 55 33.5 -43.4 42 70 17720 340 72 24.6 -67.7 | 318 44 29.4 -32.1 43 61 18593 340 64 21.9 -60.1 | 313 36 26.6 -24.6 44 54 19507 335 81 34.2 -73.4 | 314 54 39.0 -37.9 45 51 19812 330 70 35.0 -60.6 | 302 47 39.7 -25.1 46 50 19970 330 74 37.0 -64.1 | 304 51 41.7 -28.6 47 41 21336 330 82 41.0 -71.0 | 308 58 45.7 -35.5 48 37 21946 335 85 35.9 -77.0 | 316 58 40.7 -41.5 49 34 22555 330 81 40.5 -70.1 | 307 57 45.2 -34.6 50 31 23165 345 86 22.3 -83.1 | 330 55 27.0 -47.6 51 30 23340 340 79 27.0 -74.2 | 321 50 31.8 -38.7 52 24 24689 340 73 25.0 -68.6 | 318 44 29.7 -33.1 53 21 25603 335 82 34.7 -74.3 | 315 55 39.4 -38.8 54 20 26010 340 75 25.7 -70.5 | 319 46 30.4 -35.0 55 18 26213 340 70 23.9 -65.8 | 317 42 28.7 -30.3 56 10 27432 340 80 27.4 -75.2 | 321 51 32.1 -39.7 Wind Parameters Mean winds (0-6000m): 337.6 at 47.8 knts Storm direction: 7.6 at 35.8 knts Shear (0-3000m) pos: 4.4 neg: 1.3 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 45.6 deg Storm rel helicity (0-3000m) pos: 208.8 neg: -58.9 tot: 149.9 m^2/s^2 ave: 50.0 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 3.7 10^-3/s Energy-Hel index: 401.86 Bulk Rich Number: 15424.53 Bulk Shear: 23.56 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 ------------------------------------------------------------------------------- 500 327 37 259 25| 23.3 0.0 23.3|148.8 0.0 148.8 297.6 0.69| 31.3 21.8 1000 333 40 271 23| 11.7 2.5 14.2|164.4 -5.7 158.7 158.7 0.61| 19.3 11.7 1500 335 42 277 22| 7.7 1.7 9.4|177.0 -18.9 158.1 105.4 0.53| 14.6 7.8 2000 335 43 278 23| 5.8 2.0 7.8|177.0 -44.9 132.1 66.1 0.39| 12.2 4.8 2500 335 43 278 23| 5.3 1.6 6.9|201.3 -48.8 152.5 61.0 0.41| 10.8 4.5 3000 335 43 278 23| 4.4 1.3 5.8|208.8 -58.9 149.9 50.0 0.38| 9.6 3.7 4000 336 43 281 23| 3.9 1.0 4.9|233.3 -58.9 174.5 43.6 0.42| 7.8 3.3 5000 337 45 285 23| 3.1 1.5 4.6|281.8 -58.9 223.0 44.6 0.45| 7.4 3.3 6000 338 48 291 25| 2.6 1.4 4.0|289.4 -58.9 230.5 38.4 0.45| 6.3 2.9 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20260118.12.gif