UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 26 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 -24.5 -27.5 76 3.0 -24.8 325 10 247.5 247.6 247.3 248.6 0.39 1 1014 65 -24.1 -26.4 81 2.3 -24.3 327 11 248.1 248.1 247.9 249.2 0.44 2 1000 167 -23.1 -25.5 81 2.4 -23.4 340 15 250.1 250.1 249.8 251.3 0.48 3 968 406 -20.9 -21.5 95 0.6 -21.0 332 14 254.6 254.7 254.2 256.5 0.71 4 953 522 -19.9 -23.3 74 3.4 -20.4 339 13 256.8 256.9 255.8 258.4 0.61 5 930 703 -20.1 -22.3 83 2.2 -20.4 349 15 258.4 258.5 257.3 260.2 0.69 6 925 743 -20.1 -21.8 86 1.7 -20.3 350 16 258.8 258.9 257.7 260.7 0.72 7 889 1036 -21.5 -22.4 92 0.9 -21.6 345 14 260.3 260.4 258.9 262.2 0.71 8 850 1366 -22.3 -24.2 84 1.9 -22.5 345 16 262.8 262.9 260.7 264.6 0.63 9 847 1392 -22.3 -24.2 84 1.9 -22.5 344 16 263.1 263.2 260.9 264.8 0.64 10 836 1488 -22.5 -29.5 53 7.0 -23.3 341 17 263.8 263.9 261.0 265.0 0.40 11 791 1894 -22.9 -32.9 40 10.0 -23.9 330 20 267.6 267.7 263.6 268.5 0.30 12 747 2314 -22.3 -33.3 36 11.0 -23.5 330 21 272.7 272.7 267.1 273.6 0.31 13 700 2790 -24.3 -36.3 32 12.0 -25.5 325 22 275.6 275.6 268.9 276.3 0.24 14 644 3393 -28.1 -43.1 22 15.0 -29.2 329 24 277.9 277.9 270.1 278.3 0.13 15 639 3449 -28.5 -42.5 25 14.0 -29.5 327 24 278.1 278.1 270.2 278.5 0.14 16 552 4492 -30.9 -55.9 7 25.0 -32.0 305 37 287.1 287.1 275.2 287.2 0.04 17 500 5190 -33.1 -60.1 5 27.0 -34.1 295 55 292.7 292.7 278.0 292.8 0.02 18 490 5332 -33.5 -60.5 5 27.0 -34.6 294 58 293.9 293.9 278.6 294.0 0.02 19 418 6431 -39.6 -63.5 6 23.9 -40.3 290 76 299.7 299.7 281.3 299.8 0.02 20 400 6730 -41.3 -64.3 7 23.0 -41.9 290 72 301.3 301.3 281.9 301.4 0.02 21 374 7184 -43.5 -66.5 6 23.0 -44.0 290 71 304.2 304.2 283.1 304.3 0.01 22 325 8124 -45.3 -71.3 4 26.0 -45.8 295 57 314.2 314.2 286.8 314.3 0.01 23 310 8440 -43.9 -75.9 2 32.0 -44.5 298 52 320.5 320.5 288.9 320.5 0.00 24 300 8660 -44.9 -75.9 2 31.0 -45.4 300 48 322.1 322.1 289.4 322.1 0.00 25 252 9827 -45.7 -79.7 1 34.0 -46.3 299 41 337.4 337.4 293.7 337.4 0.00 26 250 9880 -45.1 -79.1 1 34.0 -45.7 300 41 339.0 339.0 294.1 339.0 0.00 27 230 10438 -44.7 -79.7 1 35.0 -45.4 296 36 347.8 347.8 296.1 347.8 0.00 28 200 11370 -47.1 -82.1 1 35.0 -47.8 300 34 358.2 358.2 298.4 358.2 0.00 29 199 11403 -47.1 -82.1 1 35.0 -47.8 300 34 358.7 358.7 298.4 358.7 0.00 30 177 12177 -46.1 -82.1 1 36.0 -46.9 301 27 372.6 372.6 301.0 372.6 0.00 31 150 13270 -47.5 -82.5 1 35.0 -48.3 300 21 388.2 388.2 303.5 388.2 0.00 32 148 13359 -47.9 -82.9 1 35.0 -48.7 303 20 389.0 389.0 303.6 389.0 0.00 33 118 14857 -47.1 -83.1 1 36.0 -48.2 290 13 416.5 416.5 307.3 416.5 0.00 34 110 15320 -48.5 -84.5 1 36.0 -49.5 283 12 422.3 422.3 308.0 422.4 0.00 35 100 15950 -46.9 -83.9 1 37.0 -48.2 290 12 437.1 437.1 309.6 437.1 0.00 36 70 18300 -48.9 -84.9 1 36.0 -50.3 265 5 479.8 479.8 313.4 479.8 0.00 37 63 18994 -49.5 -85.5 1 36.0 -51.0 284 9 493.1 493.1 314.5 493.1 0.00 38 50 20520 -47.3 -84.3 1 37.0 -49.5 315 12 532.0 532.0 317.1 532.0 0.01 39 40 21991 -49.9 -85.9 1 36.0 -52.0 61 7 560.5 560.5 318.7 560.6 0.01 40 30 23880 -48.9 -85.9 1 37.0 -51.8 5 2 611.3 611.3 321.1 611.4 0.01 41 23 25624 -48.1 -86.1 0 38.0 -51.8 80 9 661.9 662.0 323.2 662.0 0.01 42 20 26540 -49.7 -86.7 1 37.0 -53.3 95 13 684.0 684.1 323.9 684.1 0.01 43 16 27999 -50.3 -87.3 0 37.0 -54.3 68 10 727.2 727.2 325.3 727.3 0.01 44 10 31110 -44.3 -84.3 0 40.0 -52.4 60 12 854.2 854.2 328.5 854.5 0.03 45 9.1 31740 -45.7 -84.7 0 39.0 -53.5 872.2 872.2 328.9 872.5 0.03 46 5.7 34876 -42.9 -82.9 0 40.0 -54.2 1009.3 1009.3 331.4 1010.1 0.07 TRP 374 7184 -43.5 -66.5 6 23.0 -44.0 290 71 304.2 304.2 283.1 304.3 0.01 WND 418 6431 -39.6 -63.5 6 23.9 -40.3 290 76 299.7 299.7 281.3 299.8 0.02 Sounding variables and indices 1000-500 mb thick: 5023.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 40.66 % Est. max temperature: -10.23 C = 13.59 F Sfc-Lift cond lev (LCL): 966.38 mb = 418.69 m = 1373.62 ft T: -20.79 C 700-500 lapse rate: 3.67 C/km ThetaE index: 0.00 C Layer 1016.0-9868188356753480989314477680259760128.0 mb Conv cond level (CCL): 1014.00 mb = 65.36 m = 214.45 ft Mean mixing ratio: 0.61 g/kg Conv temperature: -22.47 C = -8.44 F Cap Strength: 26.21 C Lifted Index: 29.99 C Risk: None Lifted Index @300 mb: 46.72 C Lifted Index @700 mb: 17.87 C Showalter Index: 23.16 C Risk: None Total Totals Index: 19.70 C Risk: None Vertical Totals Index: 10.80 C Cross Totals Index: 8.90 C K Index: -25.40 Risk: None Sweat Index: 87.00 Risk: None Energy Index: 5.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.74 J/kg Max Up Vert Vel: 9.56 m/s Conv Inhibition (B-): 81117.63 J/kg Cap Strength: 29.67 C Lift Cond Lev (LCL): 934.69 mb = 665.71 m = 2184.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 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 1016 51 325 10 5.7 -8.2 | 171 13 -2.0 13.2 1 1000 167 340 15 5.1 -14.1 | 160 8 -2.6 7.3 2 982 305 325 14 8.0 -11.5 | 181 10 0.3 10.0 3 942 610 345 13 3.4 -12.6 | 154 10 -4.4 8.9 4 925 743 350 16 2.8 -15.8 | 139 8 -5.0 5.7 5 904 914 345 13 3.4 -12.6 | 154 10 -4.4 8.9 6 867 1219 345 16 4.1 -15.5 | 149 7 -3.6 6.0 7 850 1366 345 16 4.1 -15.5 | 149 7 -3.6 6.0 8 798 1829 330 20 10.0 -17.3 | 208 5 2.2 4.1 9 766 2134 330 22 11.0 -19.1 | 234 4 3.2 2.4 10 734 2438 330 21 10.5 -18.2 | 220 4 2.7 3.2 11 704 2743 325 21 12.0 -17.2 | 225 6 4.3 4.2 12 700 2790 325 22 12.6 -18.0 | 235 6 4.8 3.4 13 647 3353 330 24 12.0 -20.8 | 261 4 4.2 0.6 14 620 3658 320 25 16.1 -19.2 | 255 9 8.3 2.3 15 594 3962 305 30 24.6 -17.2 | 256 17 16.8 4.2 16 569 4267 310 32 24.5 -20.6 | 267 17 16.7 0.9 17 522 4877 295 47 42.6 -19.9 | 267 35 34.8 1.6 18 500 5190 295 55 49.8 -23.2 | 272 42 42.1 -1.8 19 439 6096 290 73 68.6 -25.0 | 273 61 60.8 -3.5 20 420 6401 290 76 71.4 -26.0 | 274 64 63.6 -4.6 21 418 6431 290 76 71.4 -26.0 | 274 64 63.6 -4.6 22 400 6730 290 72 67.7 -24.6 | 273 60 59.9 -3.2 23 374 7184 290 71 66.7 -24.3 | 273 59 58.9 -2.9 24 350 7620 290 66 62.0 -22.6 | 271 54 54.2 -1.2 25 300 8660 300 48 41.6 -24.0 | 274 34 33.8 -2.6 26 279 9144 295 48 43.5 -20.3 | 268 36 35.7 1.1 27 267 9449 295 44 39.9 -18.6 | 265 32 32.1 2.8 28 250 9880 300 41 35.5 -20.5 | 268 28 27.7 0.9 29 222 10668 295 34 30.8 -14.4 | 253 24 23.0 7.1 30 200 11370 300 34 29.4 -17.0 | 258 22 21.7 4.4 31 185 11887 305 29 23.8 -16.6 | 253 17 16.0 4.8 32 154 13106 290 20 18.8 -6.8 | 217 18 11.0 14.6 33 150 13270 300 21 18.2 -10.5 | 224 15 10.4 10.9 34 140 13716 315 16 11.3 -11.3 | 199 11 3.5 10.1 35 134 14021 290 18 16.9 -6.2 | 211 18 9.1 15.3 36 128 14326 300 10 8.7 -5.0 | 183 16 0.9 16.4 37 122 14630 275 10 10.0 -0.9 | 186 21 2.2 20.5 38 117 14935 295 14 12.7 -5.9 | 198 16 4.9 15.5 39 111 15240 275 12 12.0 -1.0 | 192 21 4.2 20.4 40 106 15545 305 13 10.6 -7.5 | 192 14 2.9 14.0 41 102 15850 265 10 10.0 0.9 | 186 22 2.2 22.3 42 100 15950 290 12 11.3 -4.1 | 191 18 3.5 17.3 43 97 16154 270 12 12.0 -0.0 | 191 22 4.2 21.4 44 84 17069 275 11 11.0 -1.0 | 189 21 3.2 20.5 45 81 17374 315 10 7.1 -7.1 | 177 14 -0.7 14.3 46 70 18300 265 5 5.0 0.4 | 173 22 -2.8 21.9 47 64 18898 275 10 10.0 -0.9 | 186 21 2.2 20.5 48 56 19812 0 0 -0.0 -0.0 | 160 23 -7.8 21.4 49 50 20520 315 12 8.5 -8.5 | 183 13 0.7 12.9 50 48 20726 310 10 7.7 -6.4 | 180 15 -0.1 15.0 51 46 21031 325 13 7.5 -10.6 | 178 11 -0.3 10.8 52 44 21336 85 3 -3.0 -0.3 | 153 24 -10.8 21.2 53 37 22555 40 10 -6.4 -7.7 | 134 20 -14.2 13.8 54 35 22860 85 10 -10.0 -0.9 | 139 27 -17.7 20.5 55 33 23165 115 10 -9.1 4.2 | 147 31 -16.8 25.6 56 30 23880 5 2 -0.2 -2.0 | 158 21 -8.0 19.4 57 29 24079 50 1 -0.8 -0.6 | 158 22 -8.5 20.8 58 22 25908 85 11 -11.0 -1.0 | 138 28 -18.7 20.5 59 21 26213 90 16 -16.0 0.0 | 132 32 -23.8 21.4 60 20 26518 115 14 -12.7 5.9 | 143 34 -20.5 27.3 61 20 26540 95 13 -13.0 1.1 | 137 31 -20.7 22.6 62 19 26822 80 12 -11.8 -2.1 | 135 28 -19.6 19.3 63 18 27127 105 12 -11.6 3.1 | 142 31 -19.4 24.5 64 17 27432 65 6 -5.4 -2.5 | 145 23 -13.2 18.9 65 15 28346 70 12 -11.3 -4.1 | 132 26 -19.1 17.3 66 15 28651 85 17 -16.9 -1.5 | 129 32 -24.7 19.9 67 14 28956 100 13 -12.8 2.3 | 139 31 -20.6 23.7 68 13 29261 75 5 -4.8 -1.3 | 148 24 -12.6 20.1 69 12 29870 100 10 -9.8 1.7 | 143 29 -17.6 23.2 70 12 30175 65 11 -10.0 -4.6 | 133 24 -17.7 16.8 71 10 31110 60 12 -10.4 -6.0 | 130 24 -18.2 15.4 Wind Parameters Mean winds (0-6000m): 310.0 at 30.4 knts Storm direction: 340.0 at 22.8 knts Shear (0-3000m) pos: 1.0 neg: 1.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 74.0 deg Storm rel helicity (0-3000m) pos: 21.8 neg: -21.0 tot: 0.9 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.99 Bulk Shear: 46.02 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 ------------------------------------------------------------------------------- 500 333 14 170 9| 4.7 0.0 4.7| 4.9 -11.9 -7.0 -13.9 -0.23| 11.2 -2.5 1000 340 14 160 9| 3.1 0.0 3.1| 9.5 -19.1 -9.7 -9.7 -0.20| 9.4 -1.8 1500 341 15 158 8| 2.1 1.3 3.3| 11.9 -20.0 -8.1 -5.4 -0.11| 7.6 -0.8 2000 338 16 164 7| 1.5 2.2 3.7| 17.8 -20.0 -2.2 -1.1 0.09| 7.1 0.6 2500 336 17 171 6| 1.2 1.7 3.0| 18.5 -21.0 -2.4 -1.0 0.08| 6.1 0.5 3000 334 18 180 5| 1.0 1.8 2.8| 21.8 -21.0 0.9 0.3 0.14| 5.6 0.8 4000 329 20 208 5| 0.8 2.7 3.5| 28.4 -23.3 5.2 1.3 0.13| 6.2 0.8 5000 320 24 247 8| 0.6 4.5 5.1| 60.7 -31.3 29.3 5.9 0.14| 7.5 1.0 6000 310 30 263 16| 0.5 5.6 6.1| 85.8 -32.9 52.8 8.8 0.13| 8.1 1.0 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250426.12.gif