UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 30 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 ------------------------------------------------------------------------------- 0 1000 27 200 2 SFC 997 51 -11.5 -15.3 73 3.8 -12.3 200 2 261.9 262.1 261.0 265.0 1.16 2 994 74 -12.5 -14.4 86 1.9 -12.9 212 2 261.1 261.3 260.6 264.5 1.26 3 977 205 -13.5 -14.8 90 1.3 -13.7 282 4 261.4 261.6 260.8 264.7 1.24 4 974 229 -13.5 -14.9 89 1.4 -13.8 295 5 261.6 261.8 260.9 264.9 1.23 5 961 331 -11.9 -14.8 79 2.9 -12.5 331 6 264.2 264.4 263.0 267.7 1.26 6 925 622 -13.7 -17.3 74 3.6 -14.4 285 8 265.3 265.5 263.4 268.2 1.06 7 899 838 -14.3 -18.6 70 4.3 -15.2 340 7 266.9 267.0 264.3 269.6 0.98 8 876 1034 -15.1 -18.2 77 3.1 -15.7 346 6 268.0 268.2 265.3 270.9 1.04 9 872 1069 -15.1 -20.1 66 5.0 -16.0 342 5 268.4 268.5 265.3 270.9 0.89 10 851 1252 -16.7 -18.3 87 1.6 -17.0 301 7 268.6 268.7 265.7 271.5 1.06 11 850 1261 -16.7 -18.5 86 1.8 -17.0 295 7 268.7 268.8 265.7 271.6 1.04 12 842 1332 -16.9 -21.3 69 4.4 -17.7 288 9 269.2 269.3 265.7 271.5 0.83 13 839 1359 -16.9 -19.3 82 2.4 -17.3 286 10 269.4 269.6 266.2 272.2 0.99 14 817 1559 -15.5 -24.5 46 9.0 -17.0 269 14 273.0 273.1 267.9 274.9 0.64 15 803 1689 -15.9 -20.3 69 4.4 -16.7 265 16 273.9 274.1 269.1 276.7 0.95 16 799 1727 -15.9 -24.9 46 9.0 -17.4 263 16 274.3 274.4 268.8 276.2 0.63 17 797 1746 -16.1 -23.1 55 7.0 -17.3 263 16 274.3 274.4 269.0 276.5 0.75 18 794 1774 -15.9 -32.9 22 17.0 -18.1 262 16 274.8 274.8 268.5 275.7 0.30 19 786 1850 -16.3 -31.3 26 15.0 -18.3 260 17 275.2 275.2 268.8 276.3 0.36 20 783 1879 -16.5 -24.5 50 8.0 -17.9 261 17 275.2 275.4 269.4 277.2 0.67 21 781 1898 -16.7 -27.7 38 11.0 -18.4 261 18 275.2 275.3 269.1 276.7 0.50 22 776 1947 -17.1 -23.1 60 6.0 -18.1 262 18 275.3 275.4 269.7 277.6 0.77 23 767 2034 -17.5 -22.5 65 5.0 -18.4 263 19 275.8 275.9 270.1 278.2 0.82 24 757 2132 -18.3 -22.5 70 4.2 -19.0 265 20 276.0 276.1 270.2 278.4 0.83 25 748 2222 -18.5 -31.5 31 13.0 -20.2 266 21 276.7 276.8 269.8 277.8 0.37 26 743 2272 -18.7 -34.7 23 16.0 -20.6 267 21 277.0 277.1 269.8 277.9 0.27 27 738 2322 -19.1 -31.1 34 12.0 -20.7 268 21 277.1 277.2 270.1 278.3 0.39 28 727 2434 -19.5 -36.5 21 17.0 -21.4 270 22 277.9 277.9 270.3 278.6 0.23 29 721 2495 -19.7 -34.7 25 15.0 -21.4 269 23 278.3 278.4 270.7 279.2 0.28 30 719 2516 -19.9 -23.7 72 3.8 -20.5 269 23 278.3 278.4 271.5 280.6 0.78 31 714 2567 -20.1 -27.1 54 7.0 -21.1 268 23 278.6 278.7 271.4 280.4 0.58 32 706 2651 -20.7 -23.6 78 2.9 -21.2 266 24 278.9 279.0 271.9 281.3 0.81 33 700 2714 -21.1 -25.8 66 4.7 -21.8 265 25 279.1 279.2 271.8 281.1 0.67 34 694 2777 -21.3 -31.3 40 10.0 -22.6 265 25 279.6 279.7 271.6 280.8 0.40 35 683 2895 -22.1 -25.8 72 3.7 -22.7 264 27 280.0 280.1 272.3 282.0 0.68 36 680 2927 -22.3 -31.3 44 9.0 -23.4 264 27 280.1 280.2 271.9 281.4 0.41 37 678 2949 -22.3 -31.3 44 9.0 -23.4 264 27 280.3 280.4 272.1 281.6 0.41 38 673 3003 -22.5 -29.5 53 7.0 -23.4 264 28 280.7 280.8 272.5 282.2 0.49 39 670 3036 -22.5 -33.5 36 11.0 -23.8 263 28 281.1 281.1 272.4 282.1 0.34 40 661 3135 -22.9 -30.9 48 8.0 -23.9 263 29 281.7 281.8 272.9 283.1 0.44 41 656 3191 -23.3 -25.6 81 2.3 -23.7 263 30 281.9 282.0 273.5 284.1 0.72 42 651 3247 -23.7 -28.7 63 5.0 -24.4 262 30 282.0 282.1 273.3 283.7 0.55 43 640 3371 -24.5 -26.8 81 2.3 -24.8 262 32 282.5 282.6 273.8 284.5 0.67 44 636 3416 -24.7 -28.2 73 3.5 -25.2 261 32 282.8 282.9 273.8 284.6 0.59 45 631 3474 -24.7 -34.7 39 10.0 -25.8 261 33 283.4 283.5 273.7 284.4 0.32 46 630 3485 -24.9 -32.9 47 8.0 -25.8 261 33 283.3 283.4 273.8 284.5 0.38 47 624 3555 -25.3 -34.3 43 9.0 -26.3 261 34 283.6 283.7 273.8 284.7 0.34 48 621 3590 -25.5 -30.5 63 5.0 -26.1 260 34 283.8 283.9 274.2 285.3 0.49 49 617 3637 -25.9 -36.9 35 11.0 -27.0 260 35 283.9 283.9 273.8 284.7 0.26 50 615 3660 -26.1 -33.1 52 7.0 -26.9 260 35 283.9 284.0 274.0 285.1 0.38 51 610 3719 -26.3 -32.3 57 6.0 -27.0 260 35 284.3 284.4 274.3 285.6 0.42 52 602 3814 -26.7 -36.7 38 10.0 -27.7 260 36 284.9 285.0 274.5 285.8 0.27 53 569 4219 -29.3 -35.3 56 6.0 -29.9 260 40 286.5 286.6 275.4 287.6 0.33 54 500 5130 -35.3 -48.3 25 13.0 -36.0 260 53 290.0 290.0 276.8 290.3 0.10 55 401 6633 -45.2 -57.2 25 12.0 -45.5 260 65 296.0 296.1 279.6 296.2 0.04 56 400 6650 -45.3 -57.3 25 12.0 -45.6 260 65 296.1 296.1 279.7 296.3 0.04 57 349 7552 -48.9 -59.9 27 11.0 -49.1 270 63 303.0 303.0 282.7 303.2 0.03 58 300 8550 -46.7 -72.7 4 26.0 -47.1 270 55 319.5 319.5 288.6 319.6 0.01 59 250 9770 -44.9 -76.9 2 32.0 -45.6 285 41 339.3 339.3 294.1 339.3 0.00 60 200 11260 -44.9 -80.9 1 36.0 -45.7 285 36 361.7 361.7 299.0 361.7 0.00 61 150 13180 -45.7 -81.7 1 36.0 -46.7 290 16 391.3 391.3 304.0 391.3 0.00 62 100 15880 -45.9 -82.9 1 37.0 -47.3 300 17 439.0 439.0 309.8 439.1 0.00 63 78 17538 -45.1 -83.1 1 38.0 -47.0 306 12 473.0 473.0 312.9 473.1 0.01 64 70 18260 -46.3 -84.3 1 38.0 -48.1 325 10 485.3 485.3 313.9 485.4 0.00 65 50 20490 -46.5 -84.5 1 38.0 -48.9 295 4 533.9 533.9 317.2 533.9 0.01 66 46 21041 -48.5 -85.5 1 37.0 -50.6 230 4 541.9 541.9 317.6 542.0 0.01 67 33 23238 -45.9 -84.9 0 39.0 -49.3 311 6 602.8 602.9 320.7 602.9 0.01 68 30 23870 -47.3 -85.3 1 38.0 -50.6 350 6 615.7 615.7 321.3 615.8 0.01 69 20 26540 -47.9 -85.9 0 38.0 -52.1 115 5 689.6 689.6 324.1 689.6 0.01 70 18 27237 -48.7 -85.7 1 37.0 -52.9 117 7 708.1 708.1 324.7 708.2 0.01 71 10 31140 -45.9 -84.9 0 39.0 -53.2 120 8 848.2 848.2 328.4 848.5 0.03 72 9.6 31412 -44.7 -84.7 0 40.0 -52.7 862.7 862.7 328.7 863.0 0.03 73 8.9 31919 -45.1 -85.1 0 40.0 -53.2 880.0 880.1 329.0 880.3 0.03 74 7.1 33452 -37.7 -79.7 0 42.0 -51.0 969.3 969.3 330.7 970.4 0.10 75 6.0 34607 -40.1 -81.1 0 41.0 -52.8 1006.7 1006.8 331.3 1007.8 0.09 TRP 349 7552 -48.9 -59.9 27 11.0 -49.1 270 63 303.0 303.0 282.7 303.2 0.03 WND 401 6633 -45.2 -57.2 25 12.0 -45.5 260 65 296.0 296.1 279.6 296.2 0.04 Sounding variables and indices 1000-500 mb thick: 5103.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 56.16 % Est. max temperature: -4.54 C = 23.83 F Sfc-Lift cond lev (LCL): 937.68 mb = 518.31 m = 1700.48 ft T: -13.06 C 700-500 lapse rate: 5.88 C/km ThetaE index: 0.75 C Layer 794.0- 786.0 mb Conv cond level (CCL): 738.62 mb = 2315.54 m = 7596.84 ft Mean mixing ratio: 1.15 g/kg Conv temperature: 3.71 C = 38.68 F Cap Strength: 16.62 C Lifted Index: 18.73 C Risk: None Lifted Index @300 mb: 37.01 C Lifted Index @700 mb: 11.58 C Showalter Index: 15.31 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 16.80 C K Index: -4.60 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 3.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.82 J/kg Max Up Vert Vel: 6.90 m/s Conv Inhibition (B-): 84152.67 J/kg Cap Strength: 18.69 C Lift Cond Lev (LCL): 901.41 mb = 817.86 m = 2683.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 23 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 ---------------------------------------------------------- 0 997 51 200 2 0.7 1.9 | 118 23 -20.4 10.7 1 964 305 335 6 2.5 -5.4 | 100 19 -18.5 3.4 2 927 610 285 8 7.7 -2.1 | 117 15 -13.3 6.7 3 925 622 285 8 7.7 -2.1 | 117 15 -13.3 6.7 4 890 914 360 6 -0.0 -6.0 | 98 21 -21.0 2.8 5 855 1219 325 5 2.9 -4.1 | 104 19 -18.2 4.7 6 850 1261 295 7 6.3 -3.0 | 112 16 -14.7 5.8 7 821 1524 270 14 14.0 -0.0 | 141 11 -7.0 8.8 8 788 1829 260 17 16.7 3.0 | 160 13 -4.3 11.7 9 756 2134 265 20 19.9 1.7 | 174 11 -1.1 10.5 10 726 2438 270 22 22.0 -0.0 | 186 9 1.0 8.8 11 700 2714 265 25 24.9 2.2 | 199 12 3.9 11.0 12 697 2743 265 25 24.9 2.2 | 199 12 3.9 11.0 13 614 3658 260 35 34.5 6.1 | 222 20 13.4 14.9 14 564 4267 260 41 40.4 7.1 | 231 25 19.3 15.9 15 518 4877 265 51 50.8 4.4 | 246 33 29.8 13.2 16 500 5130 260 53 52.2 9.2 | 240 36 31.1 18.0 17 454 5791 255 60 58.0 15.5 | 237 44 36.9 24.3 18 434 6096 260 61 60.1 10.6 | 244 44 39.0 19.4 19 401 6633 260 65 64.0 11.3 | 245 47 43.0 20.1 20 400 6650 260 65 64.0 11.3 | 245 47 43.0 20.1 21 397 6706 260 65 64.0 11.3 | 245 47 43.0 20.1 22 349 7552 270 63 63.0 -0.0 | 258 43 42.0 8.8 23 345 7620 270 62 62.0 -0.0 | 258 42 41.0 8.8 24 300 8550 270 55 55.0 -0.0 | 255 35 34.0 8.8 25 287 8839 275 57 56.8 -5.0 | 264 36 35.7 3.8 26 275 9144 275 50 49.8 -4.4 | 261 29 28.8 4.4 27 250 9770 285 41 39.6 -10.6 | 276 19 18.6 -1.8 28 239 10058 285 40 38.6 -10.4 | 275 18 17.6 -1.6 29 229 10363 280 31 30.5 -5.4 | 250 10 9.5 3.4 30 219 10668 275 34 33.9 -3.0 | 246 14 12.8 5.8 31 200 11260 285 36 34.8 -9.3 | 272 14 13.7 -0.5 32 174 12192 290 26 24.4 -8.9 | 272 3 3.4 -0.1 33 166 12497 275 27 26.9 -2.4 | 222 9 5.9 6.4 34 152 13106 290 24 22.6 -8.2 | 249 2 1.5 0.6 35 150 13180 290 16 15.0 -5.5 | 119 7 -6.0 3.3 36 145 13411 290 16 15.0 -5.5 | 119 7 -6.0 3.3 37 138 13716 275 22 21.9 -1.9 | 187 7 0.9 6.9 38 132 14021 315 20 14.1 -14.1 | 52 9 -6.9 -5.4 39 121 14630 280 18 17.7 -3.1 | 150 7 -3.3 5.7 40 110 15240 290 13 12.2 -4.4 | 116 10 -8.8 4.3 41 100 15880 300 17 14.7 -8.5 | 93 6 -6.3 0.3 42 96 16154 300 17 14.7 -8.5 | 93 6 -6.3 0.3 43 92 16459 320 13 8.4 -10.0 | 85 13 -12.7 -1.2 44 88 16764 315 15 10.6 -10.6 | 80 11 -10.4 -1.8 45 84 17069 305 12 9.8 -6.9 | 100 11 -11.2 1.9 46 80 17374 290 12 11.3 -4.1 | 116 11 -9.8 4.7 47 76 17678 320 12 7.7 -9.2 | 88 13 -13.3 -0.4 48 73 17983 280 11 10.8 -1.9 | 124 12 -10.2 6.9 49 70 18260 325 10 5.7 -8.2 | 92 15 -15.3 0.6 50 70 18288 320 13 8.4 -10.0 | 85 13 -12.7 -1.2 51 67 18593 345 10 2.6 -9.7 | 87 18 -18.5 -0.9 52 64 18898 300 2 1.7 -1.0 | 112 21 -19.3 7.8 53 61 19202 280 10 9.8 -1.7 | 122 13 -11.2 7.1 54 58 19507 295 10 9.1 -4.2 | 111 13 -12.0 4.6 55 55 19812 285 10 9.7 -2.6 | 119 13 -11.4 6.2 56 53 20117 330 12 6.0 -10.4 | 84 15 -15.0 -1.6 57 50 20490 295 4 3.6 -1.7 | 112 19 -17.4 7.1 58 44 21336 195 4 1.0 3.9 | 122 24 -20.0 12.7 59 30 23870 350 6 1.0 -5.9 | 98 20 -20.0 2.9 60 28 24384 335 15 6.3 -13.6 | 72 15 -14.7 -4.8 61 26 24689 25 10 -4.2 -9.1 | 89 25 -25.3 -0.3 62 24 25298 50 11 -8.4 -7.1 | 93 30 -29.5 1.7 63 21 26213 35 13 -7.5 -10.6 | 86 29 -28.5 -1.9 64 20 26540 115 5 -4.5 2.1 | 113 28 -25.6 10.9 65 19 26822 100 10 -9.8 1.7 | 109 33 -30.9 10.5 66 17 27432 125 5 -4.1 2.9 | 115 28 -25.1 11.7 67 15 28346 115 1 -0.9 0.4 | 113 24 -22.0 9.2 68 13 29261 65 10 -9.1 -4.2 | 99 30 -30.1 4.6 69 13 29566 65 12 -10.9 -5.1 | 97 32 -31.9 3.7 70 12 29870 65 10 -9.1 -4.2 | 99 30 -30.1 4.6 71 10 31140 120 8 -6.9 4.0 | 115 31 -28.0 12.8 Wind Parameters Mean winds (0-6000m): 262.7 at 30.4 knts Storm direction: 292.7 at 22.8 knts Shear (0-3000m) pos: 1.7 neg: 4.2 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 92.9 deg Storm rel helicity (0-3000m) pos: 99.5 neg: -47.2 tot: 52.3 m^2/s^2 ave: 17.4 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.24 Bulk Shear: 99.04 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 ------------------------------------------------------------------------------- 500 314 5 106 18| 8.3 0.0 8.3| 16.1 -28.4 -12.4 -24.7 -0.17| 14.0 -2.3 1000 317 6 104 17| 3.7 0.0 3.7| 21.5 -47.2 -25.7 -25.7 -0.24| 11.8 -2.8 1500 305 7 107 16| 2.5 4.8 7.3| 60.5 -47.2 13.3 8.9 0.13| 12.7 1.7 2000 284 9 119 14| 1.9 4.9 6.8| 77.5 -47.2 30.3 15.1 0.24| 11.1 2.7 2500 277 12 128 12| 2.0 3.9 6.0| 87.7 -47.2 40.5 16.2 0.30| 9.9 2.9 3000 273 14 139 11| 1.7 4.2 5.9| 99.5 -47.2 52.3 17.4 0.33| 9.2 3.1 4000 267 19 169 10| 1.3 4.5 5.8|126.8 -47.2 79.6 19.9 0.36| 8.3 3.0 5000 265 25 198 11| 1.5 4.3 5.9|189.4 -66.4 123.0 24.6 0.37| 8.3 3.1 6000 263 30 216 16| 1.6 4.1 5.8|240.1-100.3 139.8 23.3 0.33| 8.1 2.6 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250430.00.gif