UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 19 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 1010 51 -13.7 -17.0 76 3.3 -14.3 140 11 258.7 258.9 258.2 261.4 1.00 1 1005 88 -14.1 -16.8 80 2.7 -14.6 150 13 258.7 258.8 258.2 261.4 1.02 2 1000 126 -13.9 -16.8 79 2.9 -14.5 160 15 259.2 259.4 258.7 262.0 1.02 3 964 405 -13.9 -19.9 60 6.0 -15.0 202 26 262.0 262.1 260.4 264.2 0.82 4 958 452 -13.1 -22.1 47 9.0 -14.6 202 26 263.3 263.4 261.1 265.2 0.68 5 953 492 -10.3 -26.3 26 16.0 -12.9 203 27 266.5 266.6 263.1 267.9 0.47 6 947 541 -10.1 -25.1 28 15.0 -12.7 204 28 267.2 267.3 263.7 268.7 0.53 7 943 573 -10.1 -23.1 34 13.0 -12.5 204 28 267.5 267.6 264.1 269.3 0.63 8 925 722 -9.9 -25.9 26 16.0 -12.6 210 26 269.2 269.3 265.1 270.7 0.50 9 916 797 -9.7 -22.7 34 13.0 -12.2 208 25 270.1 270.3 266.1 272.1 0.67 10 908 865 -9.1 -33.1 12 24.0 -12.6 206 25 271.4 271.5 266.2 272.2 0.26 11 894 985 -8.1 -33.1 11 25.0 -11.9 207 24 273.7 273.7 267.7 274.5 0.26 12 892 1003 -7.9 -32.9 11 25.0 -11.8 208 24 274.1 274.1 268.0 274.9 0.27 13 850 1376 -9.7 -33.7 12 24.0 -13.3 215 22 276.0 276.0 269.2 276.8 0.26 14 845 1422 -9.9 -33.9 12 24.0 -13.4 217 21 276.2 276.3 269.3 277.0 0.26 15 813 1720 -8.9 -39.9 6 31.0 -13.0 230 17 280.4 280.4 271.6 280.8 0.15 16 800 1844 -8.7 -29.7 17 21.0 -12.4 236 16 281.9 281.9 273.0 283.1 0.41 17 782 2020 -10.1 -28.1 21 18.0 -13.3 244 15 282.2 282.3 273.3 283.7 0.48 18 764 2199 -11.5 -18.5 56 7.0 -13.2 252 14 282.6 282.8 274.6 286.0 1.16 19 737 2474 -13.9 -19.9 60 6.0 -15.2 260 14 282.9 283.1 274.6 286.1 1.07 20 705 2809 -15.9 -17.2 90 1.3 -16.2 268 17 284.3 284.5 275.9 288.5 1.41 21 702 2841 -16.1 -17.5 89 1.4 -16.4 272 17 284.4 284.7 275.9 288.5 1.38 22 700 2863 -15.5 -18.2 80 2.7 -16.1 275 17 285.3 285.5 276.3 289.2 1.30 23 698 2885 -15.3 -17.9 80 2.6 -15.9 275 17 285.8 286.0 276.5 289.8 1.34 24 623 3737 -19.5 -22.7 76 3.2 -20.1 268 21 290.4 290.6 278.4 293.5 0.99 25 587 4177 -22.5 -23.4 92 0.9 -22.7 286 20 291.9 292.1 279.1 295.0 0.99 26 582 4240 -22.1 -23.6 88 1.5 -22.4 288 20 293.1 293.3 279.6 296.2 0.98 27 506 5263 -25.5 -28.2 78 2.7 -25.9 328 24 300.9 301.1 282.7 303.3 0.74 28 500 5350 -26.1 -27.6 87 1.5 -26.3 325 28 301.2 301.4 282.9 303.8 0.79 29 460 5948 -29.5 -32.9 72 3.4 -29.9 315 30 304.2 304.3 283.8 306.0 0.52 30 424 6524 -33.9 -35.5 85 1.6 -34.1 320 37 305.8 305.9 284.3 307.3 0.44 31 414 6690 -34.3 -36.8 78 2.5 -34.6 322 38 307.4 307.4 284.8 308.7 0.39 32 400 6930 -35.9 -44.9 39 9.0 -36.5 325 40 308.3 308.4 284.9 309.0 0.17 33 394 7035 -35.9 -50.9 20 15.0 -36.7 326 42 309.7 309.7 285.3 310.0 0.09 34 381 7268 -37.7 -56.7 12 19.0 -38.5 329 46 310.3 310.3 285.5 310.5 0.05 35 315 8557 -46.7 -60.7 19 14.0 -47.1 330 50 315.1 315.1 287.2 315.2 0.03 36 300 8880 -48.5 -63.5 16 15.0 -48.8 330 52 317.0 317.0 287.8 317.1 0.02 37 289 9125 -49.5 -65.5 14 16.0 -49.8 321 55 319.0 319.0 288.4 319.1 0.02 38 271 9543 -53.5 -65.5 22 12.0 -53.7 325 59 319.1 319.1 288.5 319.2 0.02 39 267 9638 -52.9 -66.9 17 14.0 -53.1 326 60 321.3 321.3 289.2 321.4 0.02 40 255 9934 -54.9 -67.5 20 12.6 -55.1 330 63 322.7 322.7 289.6 322.7 0.02 41 250 10060 -55.7 -67.7 21 12.0 -55.9 335 61 323.3 323.3 289.8 323.3 0.02 42 245 10188 -56.1 -69.1 18 13.0 -56.3 330 62 324.5 324.5 290.2 324.6 0.01 43 237 10398 -54.9 -71.9 10 17.0 -55.1 332 55 329.4 329.4 291.6 329.5 0.01 44 230 10587 -56.3 -73.3 10 17.0 -56.5 334 49 330.1 330.1 291.7 330.2 0.01 45 217 10957 -53.1 -81.1 2 28.0 -53.4 333 38 340.6 340.6 294.5 340.6 0.00 46 212 11106 -54.1 -81.1 2 27.0 -54.4 331 33 341.4 341.4 294.7 341.4 0.00 47 201 11448 -51.7 -81.7 2 30.0 -52.1 322 31 350.4 350.4 296.7 350.4 0.00 48 200 11480 -51.9 -81.9 2 30.0 -52.3 320 31 350.6 350.6 296.8 350.6 0.00 49 188 11880 -54.7 -82.7 2 28.0 -55.0 320 34 352.3 352.3 297.1 352.3 0.00 50 183 12053 -52.7 -83.7 1 31.0 -53.1 320 35 358.3 358.3 298.4 358.3 0.00 51 173 12416 -54.1 -84.1 1 30.0 -54.5 324 33 361.8 361.8 299.1 361.8 0.00 52 150 13340 -51.1 -84.1 1 33.0 -51.7 320 21 382.0 382.0 302.6 382.0 0.00 53 140 13787 -51.5 -84.5 1 33.0 -52.1 321 17 388.9 388.9 303.6 388.9 0.00 54 136 13975 -49.9 -83.9 1 34.0 -50.6 324 15 395.0 395.0 304.5 395.0 0.00 55 132 14169 -51.3 -84.3 1 33.0 -52.0 315 14 395.9 395.9 304.6 395.9 0.00 56 119 14842 -49.7 -84.7 1 35.0 -50.5 318 10 410.7 410.7 306.6 410.8 0.00 57 113 15179 -50.3 -84.3 1 34.0 -51.1 312 9 415.7 415.8 307.2 415.8 0.00 58 105 15660 -48.1 -84.1 1 36.0 -49.2 296 7 428.8 428.8 308.7 428.8 0.00 59 100 15980 -48.5 -84.5 1 36.0 -49.6 285 5 434.0 434.0 309.3 434.0 0.00 60 93 16457 -49.3 -85.3 1 36.0 -50.4 297 5 441.5 441.5 310.0 441.6 0.00 61 70 18330 -47.3 -85.3 1 38.0 -49.0 10 4 483.2 483.2 313.7 483.2 0.00 62 65 18820 -46.7 -84.7 1 38.0 -48.6 334 6 494.9 494.9 314.6 494.9 0.00 63 50 20550 -48.5 -85.5 1 37.0 -50.5 280 6 529.2 529.2 316.9 529.2 0.01 64 36 22706 -50.3 -87.3 0 37.0 -52.5 70 9 576.6 576.6 319.5 576.7 0.01 65 30 23900 -49.3 -87.3 0 38.0 -52.1 130 11 610.2 610.2 321.0 610.3 0.01 66 24 25366 -47.3 -86.3 0 39.0 -51.1 113 4 656.3 656.3 322.9 656.3 0.01 67 21 26242 -50.3 -87.3 0 37.0 -53.6 135 8 672.8 672.8 323.5 672.8 0.01 68 20 26560 -50.1 -88.1 0 38.0 -53.6 115 9 682.8 682.8 323.9 682.9 0.01 69 15 28448 -47.9 -86.9 0 39.0 -52.9 149 8 748.7 748.7 325.9 748.8 0.01 70 13 29388 -49.7 -87.7 0 38.0 -54.5 104 13 773.7 773.7 326.5 773.8 0.01 71 10 31120 -45.7 -84.7 0 39.0 -53.1 115 20 849.0 849.0 328.4 849.2 0.03 72 9.4 31534 -43.3 -83.3 0 40.0 -52.1 873.2 873.3 328.9 873.6 0.04 73 6.9 33623 -41.7 -82.7 0 41.0 -52.8 960.6 960.6 330.5 961.3 0.06 74 6.5 34027 -42.5 -82.5 0 40.0 -53.4 973.8 973.8 330.8 974.5 0.07 75 5.5 35166 -38.3 -80.3 0 42.0 -52.6 1040.0 1040.1 331.8 1041.4 0.12 TRP 245 10188 -56.1 -69.1 18 13.0 -56.3 330 62 324.5 324.5 290.2 324.6 0.01 WND 255 9934 -54.9 -67.5 20 12.6 -55.1 330 63 322.7 322.7 289.6 322.7 0.02 Sounding variables and indices 1000-500 mb thick: 5224.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 58.94 % Est. max temperature: 3.15 C = 37.68 F Sfc-Lift cond lev (LCL): 957.30 mb = 457.65 m = 1501.46 ft T: -12.71 C 700-500 lapse rate: 4.26 C/km ThetaE index: 0.00 C Layer 1010.0- -0.0 mb Conv cond level (CCL): 464.06 mb = 5885.12 m = 19307.90 ft Mean mixing ratio: 0.74 g/kg Conv temperature: 31.64 C = 88.94 F Cap Strength: 28.50 C Lifted Index: 28.67 C Risk: None Lifted Index @300 mb: 35.86 C Lifted Index @700 mb: 17.94 C Showalter Index: 20.35 C Risk: None Total Totals Index: 8.80 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: -7.60 C K Index: -20.00 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 5.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.74 J/kg Max Up Vert Vel: 10.75 m/s Conv Inhibition (B-): 97973.85 J/kg Cap Strength: 28.48 C Lift Cond Lev (LCL): 826.78 mb = 1589.90 m = 5216.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 15 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 1010 51 140 11 -7.1 8.4 | 126 26 -20.7 15.1 1 1000 126 160 15 -5.1 14.1 | 138 28 -18.8 20.8 2 977 305 200 24 8.2 22.6 | 169 30 -5.5 29.2 3 939 610 205 29 12.3 26.3 | 178 33 -1.4 32.9 4 925 722 210 26 13.0 22.5 | 179 29 -0.7 29.2 5 902 914 205 24 10.1 21.8 | 173 29 -3.5 28.4 6 867 1219 215 25 14.3 20.5 | 181 27 0.7 27.1 7 850 1376 215 22 12.6 18.0 | 178 25 -1.1 24.7 8 801 1829 235 16 13.1 9.2 | 178 16 -0.6 15.8 9 770 2134 250 14 13.2 4.8 | 177 11 -0.5 11.4 10 740 2438 260 14 13.8 2.4 | 181 9 0.1 9.1 11 711 2743 260 16 15.8 2.8 | 192 10 2.1 9.4 12 700 2863 275 17 16.9 -1.5 | 212 6 3.3 5.2 13 683 3048 275 17 16.9 -1.5 | 212 6 3.3 5.2 14 655 3353 270 15 15.0 -0.0 | 191 7 1.3 6.7 15 629 3658 265 21 20.9 1.8 | 220 11 7.2 8.5 16 579 4267 290 20 18.8 -6.8 | 272 5 5.1 -0.2 17 555 4572 310 14 10.7 -9.0 | 52 4 -2.9 -2.3 18 533 4877 315 18 12.7 -12.7 | 9 6 -0.9 -6.1 19 512 5182 330 20 10.0 -17.3 | 19 11 -3.7 -10.7 20 500 5350 325 28 16.1 -22.9 | 352 16 2.4 -16.3 21 470 5791 315 27 19.1 -19.1 | 336 14 5.4 -12.4 22 450 6096 315 34 24.0 -24.0 | 329 20 10.4 -17.4 23 400 6930 325 40 22.9 -32.8 | 340 28 9.3 -26.1 24 378 7315 330 47 23.5 -40.7 | 344 35 9.8 -34.0 25 361 7620 330 43 21.5 -37.2 | 346 32 7.8 -30.6 26 300 8880 330 52 26.0 -45.0 | 342 40 12.3 -38.4 27 288 9144 320 55 35.4 -42.1 | 329 42 21.7 -35.5 28 255 9934 330 63 31.5 -54.6 | 340 51 17.8 -47.9 29 250 10058 330 63 31.5 -54.6 | 340 51 17.8 -47.9 30 250 10060 335 61 25.8 -55.3 | 346 50 12.1 -48.6 31 245 10188 330 62 31.0 -53.7 | 340 50 17.3 -47.0 32 227 10668 335 47 19.9 -42.6 | 350 36 6.2 -35.9 33 206 11278 330 28 14.0 -24.2 | 359 18 0.3 -17.6 34 200 11480 320 31 19.9 -23.7 | 340 18 6.3 -17.1 35 179 12192 320 36 23.1 -27.6 | 336 23 9.5 -20.9 36 156 13106 335 22 9.3 -19.9 | 18 14 -4.4 -13.3 37 150 13340 320 21 13.5 -16.1 | 1 9 -0.2 -9.4 38 148 13411 315 19 13.4 -13.4 | 2 7 -0.2 -6.8 39 135 14021 325 15 8.6 -12.3 | 42 8 -5.1 -5.6 40 129 14326 305 12 9.8 -6.9 | 87 4 -3.8 -0.2 41 117 14935 320 10 6.4 -7.7 | 82 7 -7.2 -1.0 42 112 15240 310 9 6.9 -5.8 | 97 7 -6.8 0.9 43 100 15980 285 5 4.8 -1.3 | 121 10 -8.8 5.4 44 97 16154 285 5 4.8 -1.3 | 121 10 -8.8 5.4 45 70 18330 10 4 -0.7 -3.9 | 101 15 -14.4 2.7 46 53 20117 240 10 8.7 5.0 | 157 13 -5.0 11.7 47 50 20550 280 6 5.9 -1.0 | 126 10 -7.8 5.6 48 44 21336 160 1 -0.3 0.9 | 118 16 -14.0 7.6 49 35 22860 60 10 -8.7 -5.0 | 94 22 -22.3 1.7 50 34 23165 70 14 -13.2 -4.8 | 94 27 -26.8 1.9 51 30 23900 130 11 -8.4 7.1 | 122 26 -22.1 13.7 52 29 24079 115 13 -11.8 5.5 | 116 28 -25.5 12.1 53 28 24384 105 10 -9.7 2.6 | 112 25 -23.3 9.2 54 27 24689 150 11 -5.5 9.5 | 130 25 -19.2 16.2 55 23 25603 100 1 -1.0 0.2 | 115 16 -14.7 6.8 56 20 26518 150 11 -5.5 9.5 | 130 25 -19.2 16.2 57 20 26560 115 9 -8.2 3.8 | 116 24 -21.8 10.5 58 18 27432 130 11 -8.4 7.1 | 122 26 -22.1 13.7 59 17 27737 120 15 -13.0 7.5 | 118 30 -26.7 14.2 60 15 28346 140 10 -6.4 7.7 | 125 25 -20.1 14.3 61 15 28651 165 3 -0.8 2.9 | 123 17 -14.5 9.6 62 13 29566 90 15 -15.0 0.0 | 103 29 -28.7 6.7 63 12 29870 115 19 -17.2 8.0 | 115 34 -30.9 14.7 64 10 31120 115 20 -18.1 8.5 | 115 35 -31.8 15.1 Wind Parameters Mean winds (0-6000m): 266.0 at 20.3 knts Storm direction: 296.0 at 15.2 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 86.0 deg Storm rel helicity (0-3000m) pos: 239.8 neg: -26.0 tot: 213.8 m^2/s^2 ave: 71.3 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 10.4 stream: 5.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.69 Bulk Shear: 83.65 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 ------------------------------------------------------------------------------- 500 192 22 162 29| 26.0 0.0 26.0|191.5 0.0 191.5 383.0 0.95| 27.4 26.0 1000 201 24 170 29| 11.8 0.0 11.8|211.1 -16.0 195.1 195.1 0.75| 17.5 13.2 1500 205 23 173 28| 7.3 0.0 7.3|227.4 -23.7 203.8 135.9 0.63| 14.5 9.2 2000 211 22 174 26| 5.3 0.0 5.3|228.2 -25.5 202.7 101.3 0.52| 13.1 6.8 2500 217 20 176 23| 4.6 0.0 4.6|231.5 -25.9 205.5 82.2 0.50| 11.3 5.7 3000 224 20 179 21| 4.4 0.0 4.4|239.8 -26.0 213.8 71.3 0.52| 10.4 5.4 4000 236 19 187 18| 3.8 0.4 4.2|258.6 -29.9 228.7 57.2 0.50| 9.6 4.8 5000 248 19 196 14| 3.2 0.3 3.5|268.1 -33.1 235.0 47.0 0.48| 9.6 4.6 6000 266 20 219 10| 2.7 1.3 3.9|269.6 -78.6 191.0 31.8 0.29| 9.8 2.8 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250419.00.gif