UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 27 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 -12.7 -15.1 82 2.4 -13.2 25 6 259.3 259.5 259.0 262.4 1.16 1 1000 176 -13.5 -15.4 86 1.9 -13.9 5 8 259.6 259.8 259.3 262.7 1.15 2 927 746 -18.5 -18.5 100 0.0 -18.5 351 9 260.2 260.4 259.3 262.8 0.96 3 925 762 -17.7 -17.8 99 0.1 -17.7 350 9 261.2 261.4 260.2 264.0 1.02 4 923 778 -13.9 -16.5 81 2.6 -14.5 354 9 265.3 265.4 263.5 268.4 1.14 5 901 962 -12.1 -13.7 88 1.6 -12.5 29 7 269.0 269.2 266.7 273.0 1.47 6 850 1408 -12.3 -14.9 81 2.6 -12.9 55 7 273.3 273.5 269.4 277.3 1.41 7 846 1444 -12.5 -15.1 81 2.6 -13.1 58 7 273.4 273.7 269.5 277.4 1.40 8 816 1719 -13.5 -23.5 43 10.0 -15.3 84 6 275.2 275.3 269.5 277.3 0.70 9 804 1832 -14.1 -23.1 46 9.0 -15.7 95 5 275.7 275.9 269.9 277.9 0.74 10 798 1889 -14.5 -18.7 70 4.2 -15.4 86 5 275.9 276.1 270.6 279.1 1.09 11 784 2023 -15.7 -18.5 79 2.8 -16.3 64 4 276.0 276.2 270.7 279.3 1.13 12 700 2872 -19.1 -23.6 68 4.5 -19.9 125 4 281.3 281.5 273.3 283.8 0.81 13 655 3364 -21.3 -28.3 53 7.0 -22.3 143 5 284.2 284.3 274.6 286.0 0.57 14 510 5170 -32.1 -50.1 15 18.0 -33.1 275 15 292.2 292.3 277.9 292.5 0.08 15 500 5310 -33.1 -50.1 17 17.0 -34.0 275 18 292.7 292.7 278.1 293.0 0.08 16 468 5770 -35.7 -55.7 11 20.0 -36.5 277 27 295.0 295.0 279.2 295.2 0.04 17 454 5980 -36.7 -52.7 18 16.0 -37.4 279 33 296.4 296.4 279.8 296.6 0.06 18 400 6840 -43.7 -52.7 36 9.0 -44.0 275 42 298.2 298.2 280.7 298.5 0.07 19 394 6942 -44.5 -53.5 36 9.0 -44.8 275 43 298.4 298.5 280.7 298.7 0.07 20 387 7062 -45.3 -57.3 25 12.0 -45.6 275 43 298.9 298.9 280.9 299.1 0.04 21 367 7416 -47.7 -55.7 39 8.0 -47.9 275 45 300.3 300.3 281.5 300.5 0.05 22 363 7488 -47.9 -59.9 24 12.0 -48.1 275 45 301.0 301.0 281.8 301.1 0.03 23 349 7748 -49.1 -62.1 21 13.0 -49.4 275 47 302.8 302.8 282.5 302.9 0.03 24 340 7920 -49.1 -59.1 30 10.0 -49.3 275 50 305.0 305.0 283.5 305.2 0.04 25 333 8056 -49.9 -67.9 10 18.0 -50.2 275 51 305.8 305.8 283.7 305.8 0.01 26 324 8236 -49.3 -67.3 10 18.0 -49.6 275 53 309.0 309.0 284.9 309.0 0.01 27 302 8697 -51.3 -68.3 11 17.0 -51.5 275 54 312.4 312.5 286.2 312.5 0.01 28 300 8740 -51.3 -68.3 11 17.0 -51.5 270 54 313.0 313.0 286.4 313.1 0.01 29 259 9691 -49.3 -76.3 3 27.0 -49.7 271 41 329.4 329.4 291.6 329.4 0.00 30 250 9920 -50.3 -76.3 3 26.0 -50.7 275 43 331.3 331.3 292.1 331.3 0.00 31 248 9972 -50.3 -76.3 3 26.0 -50.7 275 43 332.0 332.0 292.3 332.1 0.00 32 221 10730 -47.5 -80.5 1 33.0 -48.1 280 36 347.5 347.5 296.1 347.5 0.00 33 200 11390 -48.1 -82.1 1 34.0 -48.7 280 34 356.6 356.6 298.0 356.6 0.00 34 150 13280 -49.1 -84.1 1 35.0 -49.8 285 29 385.5 385.5 303.1 385.5 0.00 35 149 13324 -49.3 -84.3 1 35.0 -50.0 286 29 385.9 385.9 303.2 385.9 0.00 36 116 14972 -47.9 -84.9 1 37.0 -48.9 283 18 417.1 417.1 307.4 417.1 0.00 37 100 15950 -48.7 -85.7 1 37.0 -49.8 275 14 433.6 433.6 309.2 433.6 0.00 38 83 17178 -47.3 -85.3 1 38.0 -48.7 271 10 460.2 460.2 311.8 460.2 0.00 39 70 18300 -48.7 -86.7 0 38.0 -50.2 275 13 480.2 480.2 313.5 480.2 0.00 40 65 18787 -48.9 -85.9 1 37.0 -50.4 291 11 490.0 490.0 314.2 490.1 0.00 41 56 19771 -46.5 -85.5 0 39.0 -48.7 22 2 516.9 516.9 316.1 516.9 0.00 42 50 20520 -48.3 -86.3 0 38.0 -50.3 15 5 529.6 529.6 316.9 529.7 0.00 43 30 23870 -49.3 -87.3 0 38.0 -52.1 55 7 610.2 610.2 321.0 610.3 0.01 44 20 26530 -48.3 -87.3 0 39.0 -52.3 90 8 688.3 688.3 324.0 688.4 0.01 45 12 29888 -50.1 -88.1 0 38.0 -55.0 86 19 790.2 790.2 327.0 790.3 0.01 46 10 31090 -46.5 -85.5 0 39.0 -53.5 95 26 846.0 846.0 328.3 846.2 0.03 47 5.9 34631 -41.5 -82.5 0 41.0 -53.5 1005.5 1005.5 331.3 1006.3 0.07 TRP 302 8697 -51.3 -68.3 11 17.0 -51.5 275 54 312.4 312.5 286.2 312.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5134.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 59.14 % Est. max temperature: -0.04 C = 31.93 F Sfc-Lift cond lev (LCL): 977.32 mb = 348.51 m = 1143.40 ft T: -15.01 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.10 C Layer 816.0- 804.0 mb Conv cond level (CCL): 951.38 mb = 550.71 m = 1806.78 ft Mean mixing ratio: 1.08 g/kg Conv temperature: -11.93 C = 10.53 F Cap Strength: 23.95 C Lifted Index: 24.18 C Risk: None Lifted Index @300 mb: 35.25 C Lifted Index @700 mb: 16.94 C Showalter Index: 12.99 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.20 C K Index: 1.40 Risk: None Sweat Index: 32.00 Risk: None Energy Index: 3.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.86 J/kg Max Up Vert Vel: 5.26 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 24.08 C Lift Cond Lev (LCL): 945.93 mb = 593.88 m = 1948.39 ft Lev Free Conv (LFC): 940.93 mb = 633.72 m = 2079.12 ft Equ Level (EL): 920.93 mb = 795.41 m = 2609.59 ft B at Equ Level: 4.94 J/kg Max Parcel Lev (MPL): 910.93 mb = 878.67 m = 2882.75 ft Wind level data Storm motion: 331 at 7 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 25 6 -2.5 -5.4 | 93 6 -5.7 0.3 1 1000 176 5 8 -0.7 -8.0 | 60 4 -3.8 -2.2 2 983 305 5 11 -1.0 -11.0 | 38 7 -4.1 -5.2 3 944 610 360 13 -0.0 -13.0 | 23 8 -3.1 -7.3 4 925 762 350 9 1.6 -8.9 | 27 3 -1.6 -3.1 5 907 914 30 6 -3.0 -5.2 | 95 6 -6.1 0.6 6 871 1219 25 10 -4.2 -9.1 | 66 8 -7.4 -3.3 7 850 1408 55 7 -5.7 -4.0 | 101 9 -8.9 1.7 8 804 1829 95 5 -5.0 0.4 | 127 10 -8.1 6.2 9 772 2134 45 3 -2.1 -2.1 | 125 6 -5.3 3.6 10 741 2438 85 4 -4.0 -0.3 | 127 9 -7.1 5.4 11 712 2743 65 2 -1.8 -0.8 | 135 7 -5.0 4.9 12 700 2872 125 4 -3.3 2.3 | 141 10 -6.4 8.0 13 628 3658 155 5 -2.1 4.5 | 153 12 -5.3 10.3 14 602 3962 190 1 0.2 1.0 | 156 7 -3.0 6.7 15 577 4267 240 4 3.5 2.0 | 182 8 0.3 7.7 16 531 4877 275 8 8.0 -0.7 | 224 7 4.8 5.1 17 500 5310 275 18 17.9 -1.6 | 254 15 14.8 4.2 18 487 5486 275 18 17.9 -1.6 | 254 15 14.8 4.2 19 446 6096 280 37 36.4 -6.4 | 271 33 33.3 -0.7 20 426 6401 275 44 43.8 -3.8 | 267 41 40.7 1.9 21 400 6840 275 42 41.8 -3.7 | 267 39 38.7 2.1 22 355 7620 275 46 45.8 -4.0 | 268 43 42.7 1.7 23 310 8534 275 57 56.8 -5.0 | 269 54 53.6 0.8 24 302 8697 275 54 53.8 -4.7 | 269 51 50.6 1.0 25 300 8740 270 54 54.0 -0.0 | 264 51 50.9 5.7 26 282 9144 275 45 44.8 -3.9 | 267 42 41.7 1.8 27 257 9754 270 41 41.0 -0.0 | 261 38 37.9 5.7 28 250 9920 275 43 42.8 -3.7 | 267 40 39.7 2.0 29 223 10668 280 36 35.5 -6.3 | 271 32 32.3 -0.5 30 200 11390 280 34 33.5 -5.9 | 270 30 30.3 -0.2 31 177 12192 285 33 31.9 -8.5 | 276 29 28.7 -2.8 32 161 12802 270 32 32.0 -0.0 | 259 29 28.9 5.7 33 150 13280 285 29 28.0 -7.5 | 274 25 24.9 -1.8 34 128 14326 300 18 15.6 -9.0 | 285 13 12.4 -3.3 35 122 14630 275 18 17.9 -1.6 | 254 15 14.8 4.2 36 111 15240 290 18 16.9 -6.2 | 272 14 13.8 -0.4 37 102 15850 295 13 11.8 -5.5 | 268 9 8.6 0.3 38 100 15950 275 14 13.9 -1.2 | 247 12 10.8 4.5 39 97 16154 275 14 13.9 -1.2 | 247 12 10.8 4.5 40 88 16764 290 12 11.3 -4.1 | 259 8 8.1 1.6 41 84 17069 275 10 10.0 -0.9 | 234 8 6.8 4.9 42 70 18288 230 11 8.4 7.1 | 202 14 5.3 12.8 43 70 18300 275 13 13.0 -1.1 | 245 11 9.8 4.6 44 67 18593 275 13 13.0 -1.1 | 245 11 9.8 4.6 45 64 18898 300 10 8.7 -5.0 | 262 6 5.5 0.7 46 61 19202 285 11 10.6 -2.8 | 249 8 7.5 2.9 47 58 19507 25 1 -0.4 -0.9 | 144 6 -3.6 4.8 48 50 20520 15 5 -1.3 -4.8 | 102 5 -4.4 0.9 49 44 21336 30 3 -1.5 -2.6 | 124 6 -4.6 3.1 50 30 23774 80 10 -9.8 -1.7 | 107 14 -13.0 4.0 51 30 23870 55 7 -5.7 -4.0 | 101 9 -8.9 1.7 52 28 24384 105 10 -9.7 2.6 | 123 15 -12.8 8.3 53 26 24689 85 10 -10.0 -0.9 | 110 14 -13.1 4.9 54 25 24994 140 10 -6.4 7.7 | 144 16 -9.6 13.4 55 21 26213 80 10 -9.8 -1.7 | 107 14 -13.0 4.0 56 20 26518 110 14 -13.2 4.8 | 123 19 -16.3 10.5 57 20 26530 90 8 -8.0 0.0 | 117 13 -11.1 5.7 58 17 27432 115 8 -7.3 3.4 | 131 14 -10.4 9.1 59 17 27737 120 10 -8.7 5.0 | 132 16 -11.8 10.7 60 15 28346 75 5 -4.8 -1.3 | 119 9 -8.0 4.5 61 14 28651 100 10 -9.8 1.7 | 120 15 -13.0 7.5 62 14 28956 115 14 -12.7 5.9 | 126 20 -15.8 11.7 63 13 29261 70 12 -11.3 -4.1 | 96 15 -14.4 1.6 64 12 29870 85 19 -18.9 -1.7 | 101 22 -22.1 4.1 65 11 30175 100 15 -14.8 2.6 | 115 20 -17.9 8.4 66 10 31090 95 26 -25.9 2.3 | 105 30 -29.0 8.0 Wind Parameters Mean winds (0-6000m): 301.3 at 8.7 knts Storm direction: 331.3 at 6.6 knts Shear (0-3000m) pos: 2.8 neg: 1.5 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 50.6 deg Storm rel helicity (0-3000m) pos: 34.9 neg: -16.3 tot: 18.6 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.18 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.05 Bulk Shear: 13.21 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 5 10 44 6| 0.0 7.8 7.8| 0.0 -9.7 -9.7 -19.4 -0.84| 8.0 -6.8 1000 5 10 47 6| 3.4 3.9 7.3| 6.5 -12.6 -6.1 -6.1 -0.13| 9.8 -1.3 1500 15 9 61 6| 4.0 2.6 6.6| 20.6 -14.7 5.9 3.9 0.09| 9.4 0.8 2000 24 8 76 7| 3.0 2.2 5.2| 27.6 -16.2 11.4 5.7 0.14| 8.4 1.1 2500 28 7 85 7| 2.6 1.7 4.4| 29.6 -16.3 13.2 5.3 0.14| 7.6 1.1 3000 34 6 93 7| 2.8 1.5 4.2| 34.9 -16.3 18.6 6.2 0.18| 7.2 1.3 4000 48 6 104 8| 1.8 1.1 2.9| 44.5 -16.8 27.6 6.9 0.22| 6.3 1.4 5000 27 6 95 6| 1.5 0.9 2.4| 66.7 -16.8 49.9 10.0 0.35| 6.3 2.2 6000 301 9 254 4| 2.8 0.7 3.6|113.7 -16.8 96.8 16.1 0.36| 7.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250427.12.gif