UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 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 1024 51 -20.7 -24.1 74 3.4 -21.1 235 2 250.7 250.8 250.5 252.2 0.53 1 1000 224 -22.1 -23.6 88 1.5 -22.3 35 5 251.1 251.1 250.9 252.6 0.57 2 995 261 -22.3 -23.5 90 1.2 -22.4 37 5 251.2 251.3 251.0 252.8 0.58 3 963 504 -16.7 -22.7 60 6.0 -17.6 86 3 259.2 259.3 257.9 261.0 0.64 4 954 574 -16.5 -21.5 65 5.0 -17.3 102 2 260.1 260.2 258.8 262.1 0.72 5 925 807 -15.3 -25.3 42 10.0 -16.8 45 4 263.7 263.7 261.1 265.2 0.53 6 923 823 -15.3 -25.3 42 10.0 -16.8 46 4 263.8 263.9 261.2 265.3 0.53 7 907 955 -15.3 -25.3 42 10.0 -16.8 48 4 265.1 265.2 262.3 266.7 0.54 8 892 1081 -15.3 -19.5 70 4.2 -16.1 42 5 266.4 266.6 263.9 269.0 0.91 9 888 1115 -15.1 -24.1 46 9.0 -16.6 40 5 267.0 267.1 263.7 268.7 0.61 10 881 1175 -14.9 -25.9 39 11.0 -16.6 37 5 267.8 267.9 264.1 269.3 0.53 11 850 1446 -14.9 -26.9 35 12.0 -16.7 35 7 270.5 270.6 266.0 272.0 0.50 12 846 1482 -14.5 -30.5 24 16.0 -16.7 34 7 271.3 271.4 266.3 272.4 0.36 13 802 1886 -14.9 -34.9 16 20.0 -17.4 19 11 275.1 275.1 268.5 275.8 0.25 14 731 2582 -18.1 -42.1 10 24.0 -20.4 358 13 279.0 279.0 270.8 279.4 0.13 15 700 2905 -19.5 -39.5 15 20.0 -21.6 345 15 280.9 280.9 272.0 281.5 0.18 16 669 3240 -21.1 -41.1 15 20.0 -23.0 341 15 282.8 282.8 273.1 283.3 0.16 17 595 4094 -27.1 -42.1 23 15.0 -28.3 332 15 285.4 285.5 274.5 286.0 0.16 18 584 4228 -28.1 -38.1 38 10.0 -29.0 330 15 285.8 285.8 274.9 286.6 0.24 19 579 4290 -28.7 -33.4 64 4.7 -29.2 330 15 285.8 285.9 275.1 287.1 0.39 20 564 4477 -29.9 -32.9 75 3.0 -30.2 314 21 286.5 286.6 275.6 287.9 0.43 21 559 4541 -30.3 -33.6 73 3.3 -30.6 309 23 286.8 286.9 275.7 288.1 0.40 22 557 4566 -30.5 -36.5 56 6.0 -31.0 307 24 286.9 286.9 275.5 287.8 0.30 23 555 4592 -30.5 -51.5 11 21.0 -31.6 305 25 287.2 287.2 275.3 287.4 0.06 24 518 5080 -31.5 -57.5 6 26.0 -32.7 310 31 291.7 291.7 277.6 291.8 0.03 25 500 5330 -32.5 -58.5 6 26.0 -33.6 310 34 293.4 293.4 278.4 293.5 0.03 26 495 5401 -32.5 -57.5 6 25.0 -33.6 309 34 294.3 294.3 278.8 294.4 0.03 27 400 6870 -43.1 -53.1 32 10.0 -43.5 305 38 299.0 299.0 281.0 299.2 0.07 28 371 7373 -46.9 -55.9 35 9.0 -47.1 298 38 300.4 300.4 281.6 300.6 0.05 29 358 7609 -48.7 -63.7 16 15.0 -49.0 295 38 301.1 301.1 281.8 301.2 0.02 30 350 7757 -49.9 -56.9 44 7.0 -50.1 295 38 301.4 301.4 282.0 301.6 0.05 31 339 7965 -51.5 -58.5 43 7.0 -51.7 296 37 302.0 302.0 282.3 302.2 0.04 32 315 8438 -54.7 -59.2 57 4.5 -54.8 301 32 304.0 304.0 283.1 304.1 0.04 33 305 8645 -55.3 -64.3 32 9.0 -55.4 297 30 305.9 306.0 283.8 306.0 0.02 34 301 8729 -55.3 -67.3 21 12.0 -55.5 295 29 307.1 307.1 284.2 307.2 0.01 35 300 8750 -55.5 -67.5 21 12.0 -55.6 295 29 307.1 307.1 284.2 307.2 0.01 36 294 8878 -56.1 -67.1 24 11.0 -56.2 295 28 308.0 308.0 284.6 308.1 0.02 37 282 9142 -55.7 -75.7 7 20.0 -55.9 300 26 312.3 312.3 286.2 312.3 0.00 38 251 9884 -54.1 -79.1 3 25.0 -54.4 310 23 325.3 325.3 290.3 325.3 0.00 39 250 9910 -53.5 -78.5 3 25.0 -53.8 315 23 326.5 326.5 290.7 326.5 0.00 40 240 10173 -51.5 -80.5 2 29.0 -51.8 307 19 333.4 333.4 292.6 333.4 0.00 41 237 10255 -52.3 -81.3 2 29.0 -52.6 302 17 333.4 333.4 292.6 333.4 0.00 42 218 10797 -49.9 -81.9 1 32.0 -50.4 299 18 345.1 345.1 295.6 345.1 0.00 43 200 11360 -50.1 -83.1 1 33.0 -50.6 315 16 353.4 353.4 297.4 353.4 0.00 44 199 11393 -49.5 -82.5 1 33.0 -50.0 315 16 354.9 354.9 297.7 354.9 0.00 TRP 294 8878 -56.1 -67.1 24 11.0 -56.2 295 28 308.0 308.0 284.6 308.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5106.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 29.65 % Est. max temperature: -2.93 C = 26.72 F Sfc-Lift cond lev (LCL): 968.03 mb = 465.08 m = 1525.83 ft T: -17.59 C 700-500 lapse rate: 5.36 C/km ThetaE index: 0.25 C Layer 888.0- 881.0 mb Conv cond level (CCL): 575.02 mb = 4339.18 m = 14236.00 ft Mean mixing ratio: 0.60 g/kg Conv temperature: 14.79 C = 58.62 F Cap Strength: 27.84 C Lifted Index: 28.95 C Risk: None Lifted Index @300 mb: 34.69 C Lifted Index @700 mb: 20.94 C Showalter Index: 17.75 C Risk: None Total Totals Index: 23.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 5.60 C K Index: -29.30 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 4.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.15 J/kg Max Up Vert Vel: 10.78 m/s Conv Inhibition (B-): 13623.16 J/kg Cap Strength: 28.86 C Lift Cond Lev (LCL): 901.66 mb = 999.97 m = 3280.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 357 at 12 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 1024 51 235 2 1.6 1.1 | 185 13 1.1 13.1 1 1000 224 35 5 -2.9 -4.1 | 156 9 -3.4 7.8 2 989 305 40 6 -3.9 -4.6 | 149 9 -4.4 7.3 3 950 610 110 2 -1.9 0.7 | 169 13 -2.4 12.6 4 925 807 45 4 -2.8 -2.8 | 160 10 -3.4 9.1 5 912 914 50 4 -3.1 -2.6 | 159 10 -3.6 9.4 6 876 1219 35 5 -2.9 -4.1 | 156 9 -3.4 7.8 7 850 1446 35 7 -4.0 -5.7 | 144 8 -4.6 6.2 8 808 1829 20 11 -3.8 -10.3 | 110 5 -4.3 1.6 9 776 2134 15 10 -2.6 -9.7 | 126 4 -3.2 2.3 10 745 2438 5 13 -1.1 -13.0 | 59 2 -1.7 -1.0 11 715 2743 350 13 2.3 -12.8 | 297 2 1.7 -0.9 12 700 2905 345 15 3.9 -14.5 | 308 4 3.3 -2.5 13 631 3658 335 14 5.9 -12.7 | 278 5 5.4 -0.7 14 579 4267 330 15 7.5 -13.0 | 279 7 6.9 -1.1 15 555 4572 305 25 20.5 -14.3 | 277 20 19.9 -2.4 16 532 4877 310 29 22.2 -18.6 | 287 23 21.7 -6.7 17 500 5330 310 34 26.0 -21.9 | 291 27 25.5 -9.9 18 447 6096 295 31 28.1 -13.1 | 272 28 27.5 -1.2 19 410 6706 300 40 34.6 -20.0 | 283 35 34.1 -8.1 20 400 6870 305 38 31.1 -21.8 | 288 32 30.6 -9.9 21 357 7620 295 38 34.4 -16.1 | 277 34 33.9 -4.1 22 340 7925 295 37 33.5 -15.6 | 276 33 33.0 -3.7 23 325 8230 305 34 27.9 -19.5 | 285 28 27.3 -7.6 24 300 8750 295 29 26.3 -12.3 | 271 26 25.7 -0.3 25 294 8878 295 28 25.4 -11.8 | 270 25 24.8 0.1 26 282 9144 300 26 22.5 -13.0 | 273 22 22.0 -1.1 27 269 9449 300 29 25.1 -14.5 | 276 25 24.6 -2.6 28 256 9754 285 26 25.1 -6.7 | 258 25 24.6 5.2 29 250 9910 315 23 16.3 -16.3 | 285 16 15.7 -4.3 30 244 10058 315 21 14.8 -14.8 | 282 15 14.3 -2.9 31 233 10363 295 15 13.6 -6.3 | 247 14 13.0 5.6 32 222 10668 295 19 17.2 -8.0 | 257 17 16.7 3.9 33 200 11360 315 16 11.3 -11.3 | 267 11 10.8 0.6 34 192 11582 315 15 10.6 -10.6 | 262 10 10.0 1.3 Wind Parameters Mean winds (0-6000m): 327.3 at 15.9 knts Storm direction: 357.3 at 12.0 knts Shear (0-3000m) pos: 0.0 neg: 2.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 116.0 deg Storm rel helicity (0-3000m) pos: 13.3 neg: -30.9 tot: -17.6 m^2/s^2 ave: -5.9 10^-3 m/s^2 rel: -0.37 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.78 Bulk Shear: 32.58 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 46 4 158 10| 0.0 4.6 4.6| 11.0 -12.8 -1.8 -3.6 -0.14| 15.6 -2.2 1000 49 4 160 10| 0.0 3.3 3.3| 12.1 -17.9 -5.8 -5.8 -0.19| 9.9 -1.8 1500 43 5 157 9| 0.0 3.4 3.4| 12.1 -23.9 -11.8 -7.9 -0.28| 8.0 -2.2 2000 33 6 152 8| 0.0 3.1 3.1| 12.9 -27.6 -14.8 -7.4 -0.30| 7.1 -2.1 2500 25 7 148 7| 0.0 2.9 2.9| 13.1 -29.9 -16.8 -6.7 -0.36| 6.7 -2.4 3000 14 8 147 5| 0.0 2.7 2.7| 13.3 -30.9 -17.6 -5.9 -0.37| 6.4 -2.4 4000 359 10 168 2| 0.0 1.9 1.9| 13.4 -33.3 -19.9 -5.0 -0.38| 5.2 -2.0 5000 341 12 267 3| 0.7 2.4 3.1| 39.0 -38.9 0.1 0.0 -0.20| 6.2 -1.3 6000 327 16 280 8| 0.6 2.1 2.7| 44.3 -98.7 -54.4 -9.1 -0.27| 6.2 -1.7 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250417.00.gif