UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 23 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 1016 51 -19.7 -22.1 81 2.4 -20.0 335 6 252.3 252.4 252.1 254.0 0.64 1 1010 95 -14.1 -17.7 74 3.6 -14.7 344 5 258.3 258.5 257.8 260.9 0.94 2 1006 125 -13.5 -17.8 70 4.3 -14.3 351 4 259.2 259.4 258.5 261.7 0.94 3 1000 170 -13.3 -17.2 72 3.9 -14.0 360 3 259.9 260.0 259.1 262.5 0.99 4 979 331 -13.5 -20.5 56 7.0 -14.7 353 5 261.2 261.4 259.7 263.3 0.76 5 933 696 -15.1 -21.1 60 6.0 -16.1 269 12 263.2 263.3 261.2 265.3 0.76 6 925 761 -14.5 -20.5 60 6.0 -15.6 265 16 264.5 264.6 262.3 266.7 0.81 7 907 910 -13.5 -18.5 66 5.0 -14.5 255 21 267.0 267.2 264.4 269.7 0.98 8 888 1071 -13.7 -20.7 55 7.0 -15.0 245 24 268.4 268.6 265.1 270.8 0.83 9 850 1403 -14.5 -19.5 66 5.0 -15.5 245 27 271.0 271.1 267.1 273.7 0.96 10 828 1601 -14.7 -18.6 72 3.9 -15.5 252 29 272.8 273.0 268.5 275.8 1.06 11 808 1786 -14.9 -22.9 50 8.0 -16.3 258 31 274.5 274.6 269.1 276.7 0.75 12 801 1852 -15.1 -21.1 60 6.0 -16.3 260 31 275.0 275.1 269.6 277.5 0.89 13 799 1871 -15.1 -25.1 42 10.0 -16.8 259 32 275.2 275.3 269.3 277.0 0.62 14 791 1947 -15.5 -29.5 29 14.0 -17.6 258 33 275.5 275.6 269.2 276.8 0.42 15 790 1957 -15.5 -25.5 42 10.0 -17.1 258 33 275.6 275.7 269.5 277.4 0.61 16 783 2024 -15.7 -40.7 10 25.0 -18.3 257 34 276.1 276.1 269.0 276.6 0.14 17 778 2072 -15.7 -42.7 8 27.0 -18.4 256 34 276.6 276.6 269.3 277.0 0.11 18 767 2179 -15.9 -28.9 32 13.0 -17.9 254 36 277.5 277.6 270.5 278.9 0.46 19 753 2318 -16.7 -27.7 38 11.0 -18.4 249 38 278.1 278.2 270.9 279.7 0.52 20 744 2408 -17.1 -30.1 31 13.0 -19.0 246 39 278.6 278.7 271.1 279.9 0.42 21 716 2694 -19.1 -27.1 49 8.0 -20.3 249 43 279.5 279.6 271.9 281.3 0.58 22 712 2736 -19.3 -23.0 72 3.7 -20.0 250 44 279.7 279.9 272.5 282.3 0.84 23 700 2862 -20.3 -23.2 78 2.9 -20.8 245 44 280.0 280.1 272.6 282.5 0.84 24 696 2904 -20.3 -24.1 72 3.8 -21.0 244 44 280.5 280.6 272.8 282.8 0.78 25 673 3153 -22.3 -22.9 95 0.6 -22.4 241 46 280.9 281.1 273.2 283.6 0.90 26 658 3318 -22.7 -25.7 76 3.0 -23.2 242 47 282.3 282.4 273.7 284.5 0.72 27 643 3487 -24.1 -26.1 83 2.0 -24.4 243 47 282.6 282.7 273.9 284.7 0.71 28 636 3567 -24.3 -30.3 58 6.0 -25.1 244 48 283.2 283.3 273.9 284.7 0.48 29 615 3811 -26.1 -26.7 95 0.6 -26.2 245 51 283.9 284.0 274.6 286.0 0.70 30 578 4257 -29.3 -37.3 46 8.0 -30.0 245 47 285.2 285.3 274.6 286.1 0.27 31 575 4295 -29.5 -34.5 62 5.0 -30.0 245 46 285.4 285.5 274.9 286.6 0.36 32 573 4319 -29.7 -37.7 46 8.0 -30.4 245 46 285.5 285.5 274.8 286.3 0.26 33 570 4357 -29.9 -33.4 71 3.5 -30.3 245 45 285.7 285.7 275.0 286.9 0.40 34 567 4395 -30.1 -32.5 80 2.4 -30.3 245 45 285.9 285.9 275.2 287.3 0.44 35 555 4547 -31.1 -32.5 87 1.4 -31.3 245 43 286.4 286.5 275.6 287.9 0.45 36 536 4793 -32.5 -32.7 98 0.2 -32.5 245 39 287.6 287.7 276.2 289.1 0.46 37 504 5225 -35.5 -38.5 74 3.0 -35.7 251 35 289.1 289.1 276.6 290.0 0.27 38 500 5280 -35.9 -38.2 79 2.3 -36.1 245 33 289.3 289.3 276.7 290.2 0.28 39 475 5634 -38.5 -40.9 78 2.4 -38.7 245 39 290.3 290.4 277.2 291.1 0.23 40 470 5706 -38.7 -42.0 71 3.3 -38.9 245 39 291.0 291.0 277.4 291.6 0.20 41 465 5780 -38.3 -55.3 15 17.0 -38.9 245 38 292.3 292.4 277.9 292.5 0.05 42 463 5809 -38.1 -55.1 15 17.0 -38.7 245 38 293.0 293.0 278.2 293.1 0.05 43 451 5989 -39.1 -50.1 30 11.0 -39.6 245 37 293.9 293.9 278.7 294.2 0.09 44 434 6251 -40.9 -55.9 18 15.0 -41.4 245 36 294.9 294.9 279.1 295.0 0.05 45 400 6800 -45.3 -52.3 45 7.0 -45.5 245 35 296.1 296.1 279.7 296.4 0.08 46 386 7037 -46.9 -52.9 50 6.0 -47.1 243 35 297.0 297.1 280.1 297.3 0.07 47 370 7317 -48.7 -55.7 44 7.0 -48.8 240 35 298.3 298.3 280.7 298.5 0.05 48 360 7496 -50.1 -54.0 63 3.9 -50.2 240 36 298.7 298.8 280.9 299.0 0.07 49 342 7830 -52.3 -61.3 33 9.0 -52.5 242 36 300.2 300.2 281.4 300.3 0.03 50 338 7906 -52.7 -59.7 42 7.0 -52.8 243 36 300.6 300.6 281.7 300.8 0.04 51 329 8080 -53.7 -63.7 28 10.0 -53.8 245 36 301.6 301.6 282.0 301.7 0.02 52 315 8358 -54.9 -62.9 36 8.0 -55.0 248 35 303.7 303.7 282.9 303.8 0.03 53 304 8585 -55.5 -62.5 41 7.0 -55.6 250 35 306.0 306.0 283.8 306.1 0.03 54 300 8670 -55.1 -63.1 36 8.0 -55.2 255 35 307.7 307.7 284.5 307.8 0.03 55 286 8977 -52.1 -72.1 7 20.0 -52.4 255 32 316.2 316.2 287.5 316.2 0.01 56 272 9305 -48.9 -75.9 3 27.0 -49.3 250 28 325.4 325.4 290.4 325.4 0.00 57 250 9860 -47.7 -78.7 2 31.0 -48.2 250 26 335.2 335.2 293.1 335.2 0.00 58 200 11340 -45.1 -80.1 1 35.0 -45.9 240 20 361.4 361.4 299.0 361.4 0.00 59 150 13260 -46.1 -82.1 1 36.0 -47.1 240 8 390.6 390.6 303.9 390.6 0.00 60 100 15940 -48.3 -84.3 1 36.0 -49.4 285 4 434.4 434.4 309.3 434.4 0.00 61 93 16418 -49.1 -84.1 1 35.0 -50.2 301 3 441.9 441.9 310.1 442.0 0.00 62 70 18290 -47.7 -84.7 1 37.0 -49.3 300 6 482.3 482.3 313.7 482.4 0.00 63 56 19768 -46.1 -85.1 0 39.0 -48.4 187 7 517.8 517.8 316.2 517.8 0.01 64 50 20520 -47.3 -85.3 1 38.0 -49.5 130 8 532.0 532.0 317.1 532.0 0.01 65 30 23880 -49.5 -87.5 0 38.0 -52.2 120 8 609.7 609.7 321.0 609.7 0.01 66 26 24817 -50.1 -88.1 0 38.0 -52.9 110 13 633.5 633.5 322.0 633.5 0.01 67 20 26540 -48.3 -86.3 0 38.0 -52.3 85 14 688.3 688.3 324.0 688.4 0.01 68 13 29374 -49.1 -87.1 0 38.0 -54.1 83 14 775.8 775.8 326.6 775.9 0.02 69 10 31110 -45.7 -84.7 0 39.0 -53.1 100 12 849.0 849.0 328.4 849.2 0.03 70 7.2 33317 -41.9 -82.9 0 41.0 -52.7 948.2 948.2 330.3 948.8 0.06 TRP 304 8585 -55.5 -62.5 41 7.0 -55.6 250 35 306.0 306.0 283.8 306.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5110.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 66.15 % Est. max temperature: -2.05 C = 28.31 F Sfc-Lift cond lev (LCL): 976.57 mb = 350.18 m = 1148.88 ft T: -13.58 C 700-500 lapse rate: 6.45 C/km ThetaE index: 0.88 C Layer 783.0- 778.0 mb Conv cond level (CCL): 630.91 mb = 3625.29 m = 11893.84 ft Mean mixing ratio: 0.82 g/kg Conv temperature: 11.53 C = 52.76 F Cap Strength: 20.85 C Lifted Index: 20.92 C Risk: None Lifted Index @300 mb: 31.07 C Lifted Index @700 mb: 15.31 C Showalter Index: 13.01 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 16.40 C K Index: -1.00 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.86 J/kg Max Up Vert Vel: 6.91 m/s Conv Inhibition (B-): 89465.12 J/kg Cap Strength: 20.72 C Lift Cond Lev (LCL): 879.40 mb = 1144.99 m = 3756.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 277 at 26 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 1016 51 335 6 2.5 -5.4 | 85 24 -23.6 -2.1 1 1000 170 360 3 -0.0 -3.0 | 91 26 -26.1 0.3 2 982 305 360 5 -0.0 -5.0 | 86 26 -26.1 -1.7 3 944 610 275 7 7.0 -0.6 | 98 19 -19.2 2.7 4 925 761 265 16 15.9 1.4 | 115 11 -10.2 4.7 5 906 914 255 21 20.3 5.4 | 146 11 -5.9 8.7 6 871 1219 235 27 22.1 15.5 | 168 19 -4.0 18.8 7 850 1403 245 27 24.5 11.4 | 174 15 -1.7 14.7 8 803 1829 260 31 30.5 5.4 | 207 10 4.4 8.7 9 771 2134 255 35 33.8 9.1 | 212 15 7.7 12.4 10 741 2438 245 40 36.3 16.9 | 207 23 10.1 20.2 11 711 2743 250 44 41.3 15.0 | 220 24 15.2 18.4 12 700 2862 245 44 39.9 18.6 | 212 26 13.7 21.9 13 682 3048 240 46 39.8 23.0 | 208 30 13.7 26.3 14 627 3658 245 48 43.5 20.3 | 216 29 17.4 23.6 15 601 3962 245 55 49.8 23.2 | 222 36 23.7 26.6 16 576 4267 245 46 41.7 19.4 | 214 28 15.6 22.8 17 529 4877 245 38 34.4 16.1 | 203 21 8.3 19.4 18 507 5182 255 37 35.7 9.6 | 217 16 9.6 12.9 19 500 5280 245 33 29.9 13.9 | 192 18 3.8 17.3 20 485 5486 245 40 36.3 16.9 | 207 23 10.1 20.2 21 444 6096 245 36 32.6 15.2 | 199 20 6.5 18.5 22 400 6800 245 35 31.7 14.8 | 197 19 5.6 18.1 23 370 7315 240 35 30.3 17.5 | 191 21 4.2 20.8 24 353 7620 240 36 31.2 18.0 | 193 22 5.0 21.3 25 304 8585 250 35 32.9 12.0 | 204 17 6.8 15.3 26 300 8670 255 35 33.8 9.1 | 212 15 7.7 12.4 27 279 9144 255 31 29.9 8.0 | 199 12 3.8 11.3 28 266 9449 245 25 22.7 10.6 | 166 14 -3.5 13.9 29 250 9860 250 26 24.4 8.9 | 172 12 -1.7 12.2 30 232 10363 255 23 22.2 6.0 | 157 10 -3.9 9.3 31 221 10668 250 23 21.6 7.9 | 158 12 -4.5 11.2 32 211 10973 275 19 18.9 -1.7 | 103 7 -7.2 1.7 33 200 11340 240 20 17.3 10.0 | 146 16 -8.8 13.3 34 193 11582 235 17 13.9 9.8 | 137 18 -12.2 13.1 35 184 11887 260 15 14.8 2.6 | 118 13 -11.4 5.9 36 176 12192 220 13 8.4 10.0 | 127 22 -17.8 13.3 37 168 12497 240 15 13.0 7.5 | 129 17 -13.1 10.8 38 161 12802 270 11 11.0 -0.0 | 102 15 -15.1 3.3 39 153 13106 255 13 12.6 3.4 | 116 15 -13.6 6.7 40 150 13260 240 8 6.9 4.0 | 111 21 -19.2 7.3 41 134 14021 230 10 7.7 6.4 | 118 21 -18.5 9.7 42 122 14630 265 12 12.0 1.0 | 107 15 -14.2 4.4 43 116 14935 255 12 11.6 3.1 | 114 16 -14.5 6.4 44 111 15240 285 6 5.8 -1.6 | 95 20 -20.3 1.8 45 101 15850 295 2 1.8 -0.8 | 96 24 -24.3 2.5 46 100 15940 285 4 3.9 -1.0 | 96 22 -22.3 2.3 47 97 16154 285 4 3.9 -1.0 | 96 22 -22.3 2.3 48 80 17374 0 0 -0.0 -0.0 | 97 26 -26.1 3.3 49 70 18290 300 6 5.2 -3.0 | 91 21 -20.9 0.3 50 50 20520 130 8 -6.1 5.1 | 105 33 -32.3 8.5 51 44 21336 0 0 -0.0 -0.0 | 97 26 -26.1 3.3 52 38 22250 90 10 -10.0 0.0 | 95 36 -36.1 3.3 53 37 22555 80 12 -11.8 -2.1 | 92 38 -38.0 1.2 54 35 22860 165 10 -2.6 9.7 | 114 32 -28.7 13.0 55 32 23470 105 11 -10.6 2.8 | 100 37 -36.8 6.2 56 30 23774 90 11 -11.0 0.0 | 95 37 -37.1 3.3 57 30 23880 120 8 -6.9 4.0 | 102 34 -33.1 7.3 58 29 24079 120 10 -8.7 5.0 | 103 36 -34.8 8.3 59 27 24689 95 16 -15.9 1.4 | 96 42 -42.1 4.7 60 25 24994 130 10 -7.7 6.4 | 106 35 -33.8 9.7 61 22 25908 145 10 -5.7 8.2 | 110 34 -31.9 11.5 62 21 26213 85 10 -10.0 -0.9 | 94 36 -36.1 2.4 63 20 26518 105 10 -9.7 2.6 | 99 36 -35.8 5.9 64 20 26540 85 14 -13.9 -1.2 | 93 40 -40.1 2.1 65 19 26822 80 12 -11.8 -2.1 | 92 38 -38.0 1.2 66 17 27432 100 15 -14.8 2.6 | 98 41 -40.9 5.9 67 17 27737 125 20 -16.4 11.5 | 109 45 -42.5 14.8 68 15 28346 185 10 0.9 10.0 | 118 29 -25.3 13.3 69 15 28651 35 10 -5.7 -8.2 | 81 32 -31.9 -4.9 70 14 28956 65 18 -16.3 -7.6 | 84 43 -42.5 -4.3 71 13 29261 65 16 -14.5 -6.8 | 85 41 -40.6 -3.4 72 13 29566 110 12 -11.3 4.1 | 101 38 -37.4 7.4 73 12 30175 90 16 -16.0 0.0 | 94 42 -42.1 3.3 74 10 31110 100 12 -11.8 2.1 | 98 38 -38.0 5.4 Wind Parameters Mean winds (0-6000m): 247.2 at 35.1 knts Storm direction: 277.2 at 26.3 knts Shear (0-3000m) pos: 2.0 neg: 6.8 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 122.7 deg Storm rel helicity (0-3000m) pos: 148.9 neg: -55.4 tot: 93.5 m^2/s^2 ave: 31.2 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 13.0 stream: 4.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.14 Bulk Shear: 164.85 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 ------------------------------------------------------------------------------- 500 335 5 87 24| 0.0 4.9 4.9| 28.3 -12.0 16.3 32.6 0.26| 11.5 3.0 1000 272 11 101 16| 0.0 12.5 12.5| 78.5 -12.0 66.5 66.5 0.55| 16.6 9.2 1500 254 16 125 13| 1.7 8.3 10.1|102.1 -12.0 90.1 60.1 0.53| 15.2 8.1 2000 255 20 140 11| 2.9 6.3 9.2|118.7 -12.0 106.7 53.4 0.55| 13.7 7.5 2500 253 23 159 11| 2.4 6.9 9.3|129.5 -19.1 110.4 44.1 0.46| 13.3 6.1 3000 251 27 176 12| 2.0 6.8 8.8|148.9 -55.4 93.5 31.2 0.36| 13.0 4.7 4000 248 33 195 16| 2.5 5.1 7.6|209.3 -64.2 145.1 36.3 0.38| 11.5 4.4 5000 247 35 199 18| 1.8 3.2 5.0|220.9-116.4 104.5 20.9 0.27| 11.0 3.0 6000 247 35 200 18| 1.5 2.8 4.3|243.0-150.8 92.1 15.4 0.21| 10.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250423.12.gif