UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 29 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 1002 51 -18.3 -20.7 81 2.4 -18.7 180 3 254.7 254.8 254.4 256.7 0.73 1 1000 64 -17.7 -19.7 84 2.0 -18.0 180 3 255.4 255.6 255.1 257.6 0.80 2 997 87 -15.3 -17.7 82 2.4 -15.7 187 4 258.1 258.2 257.6 260.6 0.95 3 978 233 -12.1 -14.2 84 2.1 -12.6 229 7 262.7 262.9 261.9 266.2 1.30 4 958 391 -12.7 -14.2 89 1.5 -13.0 254 10 263.7 263.9 262.7 267.3 1.33 5 925 658 -13.9 -17.2 76 3.3 -14.6 265 14 265.1 265.3 263.3 268.1 1.07 6 909 790 -14.5 -19.5 66 5.0 -15.4 270 15 265.8 266.0 263.4 268.3 0.90 7 883 1009 -15.5 -19.5 71 4.0 -16.2 277 16 267.0 267.1 264.3 269.6 0.92 8 875 1078 -15.9 -21.9 60 6.0 -16.9 278 16 267.3 267.4 264.2 269.4 0.76 9 871 1112 -15.5 -25.5 42 10.0 -17.0 278 16 268.0 268.1 264.4 269.6 0.55 10 860 1208 -15.9 -24.9 46 9.0 -17.3 280 17 268.6 268.7 264.8 270.3 0.59 11 853 1270 -16.1 -21.1 65 5.0 -17.0 280 15 269.0 269.1 265.6 271.4 0.83 12 851 1287 -16.1 -19.6 74 3.5 -16.7 280 14 269.2 269.3 265.9 271.9 0.95 13 850 1296 -15.9 -19.7 73 3.8 -16.6 280 14 269.5 269.6 266.1 272.2 0.94 14 813 1632 -15.3 -23.3 50 8.0 -16.7 278 19 273.6 273.7 268.5 275.7 0.72 15 807 1688 -15.5 -19.2 73 3.7 -16.3 280 21 273.9 274.1 269.2 276.9 1.04 16 788 1867 -16.3 -20.9 68 4.6 -17.1 284 24 275.0 275.1 269.7 277.6 0.92 17 787 1877 -16.3 -22.3 60 6.0 -17.4 284 24 275.1 275.2 269.6 277.4 0.81 18 784 1905 -15.9 -38.9 12 23.0 -18.4 283 24 275.8 275.8 268.9 276.3 0.17 19 768 2061 -16.1 -31.1 26 15.0 -18.2 277 23 277.2 277.3 270.1 278.3 0.37 20 756 2179 -16.3 -34.3 20 18.0 -18.6 276 23 278.2 278.3 270.6 279.1 0.28 21 755 2189 -16.5 -31.5 26 15.0 -18.6 276 23 278.1 278.2 270.7 279.3 0.36 22 751 2229 -16.7 -23.7 55 7.0 -17.9 277 23 278.3 278.5 271.5 280.6 0.75 23 745 2289 -17.1 -30.1 31 13.0 -19.0 278 22 278.5 278.6 271.0 279.8 0.42 24 735 2391 -17.7 -31.7 28 14.0 -19.6 279 22 279.0 279.0 271.2 280.1 0.37 25 722 2524 -18.5 -30.5 34 12.0 -20.2 280 24 279.5 279.6 271.6 280.8 0.42 26 700 2754 -19.9 -35.9 23 16.0 -21.7 285 27 280.4 280.5 271.9 281.3 0.25 27 697 2786 -20.1 -39.1 17 19.0 -22.1 285 27 280.6 280.6 271.8 281.2 0.19 28 694 2818 -20.3 -36.3 23 16.0 -22.1 285 27 280.7 280.7 272.0 281.5 0.25 29 689 2871 -20.7 -27.7 53 7.0 -21.7 285 28 280.8 280.9 272.6 282.6 0.57 30 688 2882 -20.7 -34.7 27 14.0 -22.3 285 28 280.9 281.0 272.2 281.9 0.29 31 684 2925 -20.9 -28.9 49 8.0 -22.0 285 28 281.2 281.3 272.8 282.8 0.51 32 683 2936 -21.1 -24.9 71 3.8 -21.7 285 28 281.1 281.2 273.1 283.3 0.74 33 679 2979 -21.3 -29.3 49 8.0 -22.4 285 28 281.3 281.4 272.8 282.9 0.50 34 676 3012 -21.5 -25.7 69 4.2 -22.2 285 28 281.5 281.6 273.2 283.6 0.70 35 675 3023 -21.5 -31.5 40 10.0 -22.8 285 28 281.6 281.7 272.8 282.9 0.41 36 667 3110 -22.1 -26.0 71 3.9 -22.7 285 29 281.9 282.0 273.4 284.0 0.69 37 663 3155 -22.3 -31.3 44 9.0 -23.4 285 29 282.1 282.2 273.1 283.5 0.42 38 657 3221 -22.7 -25.7 76 3.0 -23.2 285 30 282.4 282.5 273.8 284.6 0.72 39 651 3289 -22.9 -31.9 44 9.0 -24.0 285 30 282.9 283.0 273.6 284.2 0.41 40 646 3345 -23.1 -28.1 64 5.0 -23.8 285 30 283.3 283.4 274.1 285.1 0.59 41 640 3413 -23.5 -36.5 29 13.0 -24.9 285 31 283.6 283.7 273.7 284.5 0.26 42 636 3459 -23.9 -29.9 58 6.0 -24.7 285 31 283.7 283.8 274.2 285.3 0.50 43 631 3517 -24.1 -30.1 58 6.0 -24.9 285 31 284.1 284.2 274.3 285.7 0.50 44 629 3540 -23.9 -43.9 14 20.0 -25.6 285 31 284.6 284.6 274.0 285.0 0.12 45 609 3775 -25.3 -42.3 19 17.0 -26.8 285 33 285.6 285.6 274.6 286.1 0.15 46 603 3847 -25.9 -32.9 52 7.0 -26.7 285 33 285.7 285.8 275.1 287.0 0.40 47 600 3883 -26.1 -36.1 39 10.0 -27.1 285 33 285.9 286.0 275.0 286.9 0.29 48 596 3931 -26.5 -29.8 74 3.3 -26.9 285 34 286.0 286.1 275.5 287.7 0.54 49 592 3980 -26.9 -29.2 81 2.3 -27.2 285 34 286.1 286.2 275.6 287.9 0.58 50 581 4115 -27.5 -36.5 42 9.0 -28.4 285 35 286.9 287.0 275.5 287.9 0.29 51 575 4189 -28.1 -34.1 56 6.0 -28.7 285 35 287.1 287.1 275.7 288.3 0.37 52 573 4214 -28.1 -37.1 42 9.0 -29.0 285 36 287.4 287.4 275.7 288.3 0.28 53 562 4353 -29.1 -38.1 42 9.0 -29.9 286 37 287.8 287.8 275.9 288.6 0.25 54 500 5180 -34.1 -38.3 66 4.2 -34.4 285 46 291.5 291.5 277.9 292.4 0.28 55 400 6710 -44.3 -54.3 32 10.0 -44.6 290 52 297.4 297.4 280.3 297.6 0.06 56 326 8060 -51.1 -63.1 23 12.0 -51.3 290 49 306.0 306.0 283.8 306.1 0.02 57 300 8600 -51.3 -65.3 17 14.0 -51.5 290 50 313.0 313.0 286.4 313.1 0.02 58 250 9790 -46.9 -77.9 2 31.0 -47.4 295 40 336.3 336.3 293.4 336.4 0.00 59 200 11270 -45.9 -80.9 1 35.0 -46.7 290 32 360.1 360.1 298.7 360.1 0.00 60 150 13190 -45.9 -81.9 1 36.0 -46.9 300 22 391.0 391.0 303.9 391.0 0.00 61 100 15880 -46.9 -82.9 1 36.0 -48.2 310 9 437.1 437.1 309.6 437.1 0.00 62 97 16083 -44.7 -82.7 1 38.0 -46.3 310 9 445.2 445.2 310.4 445.2 0.00 63 83 17122 -47.9 -83.9 1 36.0 -49.3 331 13 459.0 459.0 311.7 459.0 0.00 64 70 18250 -47.3 -84.3 1 37.0 -49.0 310 10 483.2 483.2 313.7 483.2 0.00 65 64 18841 -48.3 -84.3 1 36.0 -50.0 356 1 493.5 493.5 314.5 493.6 0.01 66 53 20091 -44.7 -83.7 1 39.0 -47.4 343 21 529.2 529.2 316.9 529.3 0.01 67 50 20480 -45.9 -83.9 1 38.0 -48.4 320 5 535.3 535.3 317.2 535.3 0.01 68 37 22477 -48.5 -85.5 1 37.0 -51.0 35 4 576.8 576.8 319.5 576.8 0.01 69 30 23860 -48.5 -85.5 1 37.0 -51.5 95 5 612.4 612.4 321.2 612.5 0.01 70 25 25059 -46.7 -85.7 0 39.0 -50.6 64 8 650.4 650.4 322.7 650.4 0.01 71 20 26530 -47.7 -85.7 0 38.0 -51.9 95 8 690.2 690.2 324.1 690.3 0.01 72 15 28425 -49.5 -86.5 1 37.0 -53.9 102 11 743.4 743.4 325.7 743.5 0.01 73 11 30476 -45.7 -84.7 0 39.0 -52.7 38 12 826.1 826.1 327.8 826.4 0.03 74 10 31110 -46.7 -85.7 0 39.0 -53.7 65 9 845.2 845.2 328.3 845.5 0.03 75 9.4 31520 -46.7 -85.7 0 39.0 -53.9 860.3 860.3 328.6 860.6 0.03 76 5.6 35035 -36.3 -79.3 0 43.0 -51.8 1043.5 1043.6 331.9 1045.1 0.13 TRP 326 8060 -51.1 -63.1 23 12.0 -51.3 290 49 306.0 306.0 283.8 306.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 5116.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 52.48 % Est. max temperature: -3.90 C = 24.98 F Sfc-Lift cond lev (LCL): 963.36 mb = 348.27 m = 1142.60 ft T: -12.54 C 700-500 lapse rate: 5.85 C/km ThetaE index: 1.31 C Layer 787.0- 768.0 mb Conv cond level (CCL): 1000.00 mb = 64.00 m = 209.97 ft Mean mixing ratio: 1.13 g/kg Conv temperature: -15.46 C = 4.17 F Cap Strength: 18.34 C Lifted Index: 20.67 C Risk: None Lifted Index @300 mb: 33.06 C Lifted Index @700 mb: 13.54 C Showalter Index: 16.04 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 14.40 C K Index: -17.50 Risk: None Sweat Index: 74.00 Risk: None Energy Index: 4.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.66 J/kg Max Up Vert Vel: 7.30 m/s Conv Inhibition (B-): 84132.23 J/kg Cap Strength: 20.61 C Lift Cond Lev (LCL): 911.37 mb = 770.47 m = 2527.77 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 314 at 22 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 1002 51 180 3 0.0 3.0 | 139 24 -15.9 18.2 1 1000 64 180 3 0.0 3.0 | 139 24 -15.9 18.2 2 969 305 250 9 8.5 3.1 | 158 20 -7.4 18.3 3 931 610 265 13 13.0 1.1 | 170 17 -2.9 16.4 4 925 658 265 14 13.9 1.2 | 173 17 -1.9 16.4 5 894 914 275 15 14.9 -1.3 | 176 14 -0.9 13.9 6 859 1219 280 17 16.7 -3.0 | 184 12 0.9 12.3 7 850 1296 280 14 13.8 -2.4 | 171 13 -2.1 12.8 8 825 1524 275 17 16.9 -1.5 | 184 14 1.1 13.7 9 792 1829 285 24 23.2 -6.2 | 219 12 7.3 9.0 10 760 2134 275 23 22.9 -2.0 | 208 15 7.1 13.2 11 730 2438 280 22 21.7 -3.8 | 207 13 5.8 11.4 12 701 2743 280 28 27.6 -4.9 | 229 16 11.7 10.4 13 700 2754 285 27 26.1 -7.0 | 231 13 10.2 8.2 14 618 3658 285 32 30.9 -8.3 | 245 17 15.0 6.9 15 567 4267 285 36 34.8 -9.3 | 253 20 18.9 5.9 16 521 4877 290 42 39.5 -14.4 | 268 24 23.6 0.9 17 500 5180 285 46 44.4 -11.9 | 263 29 28.6 3.3 18 437 6096 290 51 47.9 -17.4 | 274 32 32.1 -2.2 19 400 6710 290 52 48.9 -17.8 | 274 33 33.0 -2.6 20 382 7010 290 57 53.6 -19.5 | 276 38 37.7 -4.3 21 348 7620 295 52 47.1 -22.0 | 282 32 31.3 -6.8 22 326 8060 290 49 46.0 -16.8 | 273 30 30.2 -1.5 23 300 8600 290 50 47.0 -17.1 | 273 31 31.1 -1.9 24 276 9144 295 48 43.5 -20.3 | 280 28 27.6 -5.1 25 251 9754 285 40 38.6 -10.4 | 258 23 22.8 4.9 26 250 9790 295 40 36.3 -16.9 | 275 20 20.4 -1.7 27 240 10058 300 38 32.9 -19.0 | 283 17 17.0 -3.8 28 219 10668 295 31 28.1 -13.1 | 260 12 12.2 2.1 29 209 10973 285 30 29.0 -7.8 | 240 15 13.1 7.5 30 200 11270 290 32 30.1 -10.9 | 253 15 14.2 4.3 31 182 11887 305 31 25.4 -17.8 | 285 10 9.5 -2.6 32 166 12497 295 26 23.6 -11.0 | 241 9 7.7 4.2 33 150 13190 300 22 19.1 -11.0 | 217 5 3.2 4.2 34 145 13411 305 24 19.7 -13.8 | 249 4 3.8 1.5 35 139 13716 290 23 21.6 -7.9 | 218 9 5.8 7.4 36 126 14326 305 15 12.3 -8.6 | 152 8 -3.6 6.6 37 121 14630 275 20 19.9 -1.7 | 197 14 4.1 13.5 38 115 14935 300 16 13.9 -8.0 | 164 7 -2.0 7.2 39 110 15240 285 18 17.4 -4.7 | 188 11 1.5 10.6 40 105 15545 305 18 14.7 -10.3 | 167 5 -1.1 4.9 41 100 15850 285 19 18.4 -4.9 | 194 11 2.5 10.3 42 100 15880 310 9 6.9 -5.8 | 136 13 -9.0 9.4 43 96 16154 310 9 6.9 -5.8 | 136 13 -9.0 9.4 44 88 16764 325 13 7.5 -10.6 | 119 10 -8.4 4.6 45 80 17374 335 13 5.5 -11.8 | 108 11 -10.4 3.4 46 70 18250 310 10 7.7 -6.4 | 137 12 -8.2 8.8 47 63 18898 0 0 -0.0 -0.0 | 134 22 -15.9 15.2 48 61 19202 275 10 10.0 -0.9 | 158 16 -5.9 14.3 49 53 20117 345 21 5.4 -20.3 | 64 12 -10.4 -5.1 50 50 20422 55 3 -2.5 -1.7 | 126 23 -18.3 13.5 51 50 20480 320 5 3.2 -3.8 | 132 17 -12.6 11.4 52 46 21031 0 0 -0.0 -0.0 | 134 22 -15.9 15.2 53 44 21336 345 4 1.0 -3.9 | 127 19 -14.8 11.4 54 30 23860 95 5 -5.0 0.4 | 127 26 -20.8 15.7 55 23 25603 50 10 -7.7 -6.4 | 110 25 -23.5 8.8 56 22 25908 55 16 -13.1 -9.2 | 102 30 -29.0 6.0 57 21 26213 75 14 -13.5 -3.6 | 112 32 -29.4 11.6 58 20 26518 125 11 -9.0 6.3 | 131 33 -24.9 21.5 59 20 26530 95 8 -8.0 0.7 | 124 29 -23.8 15.9 60 17 27432 90 8 -8.0 0.0 | 123 28 -23.9 15.2 61 17 27737 65 10 -9.1 -4.2 | 114 27 -24.9 11.0 62 15 28346 105 12 -11.6 3.1 | 124 33 -27.5 18.3 63 13 29261 75 3 -2.9 -0.8 | 128 24 -18.8 14.4 64 12 29870 30 10 -5.0 -8.7 | 107 22 -20.9 6.6 65 12 30175 25 13 -5.5 -11.8 | 99 22 -21.4 3.4 66 10 31110 65 9 -8.2 -3.8 | 115 27 -24.0 11.4 Wind Parameters Mean winds (0-6000m): 283.8 at 29.3 knts Storm direction: 313.8 at 22.0 knts Shear (0-3000m) pos: 4.8 neg: 0.3 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 97.6 deg Storm rel helicity (0-3000m) pos: 135.3 neg: -14.8 tot: 120.5 m^2/s^2 ave: 40.2 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 4.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.38 Bulk Shear: 70.50 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 ------------------------------------------------------------------------------- 500 249 8 156 20| 12.5 0.0 12.5| 61.5 0.0 61.5 123.0 0.80| 13.7 11.0 1000 263 11 164 17| 8.5 0.0 8.5| 75.2 0.0 75.2 75.2 0.74| 9.7 7.2 1500 270 13 169 16| 5.7 0.6 6.3| 87.7 -5.9 81.8 54.5 0.64| 8.5 5.4 2000 274 15 177 14| 5.7 0.5 6.2|109.9 -11.7 98.2 49.1 0.61| 8.9 5.4 2500 275 17 183 14| 4.8 0.4 5.2|116.7 -14.8 101.9 40.7 0.56| 8.1 4.5 3000 277 18 191 13| 4.8 0.3 5.1|135.3 -14.8 120.5 40.2 0.60| 7.8 4.6 4000 280 22 206 13| 3.6 1.0 4.6|152.0 -14.8 137.2 34.3 0.60| 6.6 4.0 5000 282 25 222 13| 3.3 1.3 4.7|187.4 -20.9 166.5 33.3 0.58| 6.4 3.7 6000 284 29 237 15| 3.0 1.4 4.5|228.5 -26.0 202.5 33.7 0.58| 6.1 3.5 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250429.12.gif