UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 12 OCT 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 ------------------------------------------------------------------------------- 0 1000 -32 SFC 990 51 0.2 -0.1 98 0.3 0.1 70 24 274.1 274.8 273.8 284.5 3.83 2 965 255 -0.9 -1.4 96 0.5 -1.1 78 32 275.0 275.6 273.9 284.8 3.57 3 945 421 0.4 0.1 98 0.3 0.3 88 33 278.0 278.7 276.3 289.2 4.07 4 925 592 -0.5 -0.7 99 0.2 -0.6 100 31 278.8 279.5 276.5 289.6 3.92 5 850 1265 -3.1 -3.1 100 0.0 -3.1 115 23 282.9 283.5 278.2 293.0 3.58 6 823 1520 -4.1 -4.4 98 0.3 -4.2 110 22 284.5 285.0 278.6 294.0 3.35 7 811 1637 -2.7 -3.2 96 0.5 -2.9 125 20 287.1 287.8 280.4 297.8 3.72 8 748 2278 -3.1 -3.4 98 0.3 -3.2 181 18 293.4 294.1 283.4 305.1 3.98 9 730 2471 -4.1 -4.2 99 0.1 -4.1 203 17 294.4 295.1 283.7 305.7 3.84 10 700 2801 -5.5 -5.8 98 0.3 -5.6 225 20 296.4 297.0 284.2 307.0 3.54 11 640 3502 -7.7 -8.1 97 0.4 -7.9 248 34 301.6 302.2 285.9 311.5 3.24 12 619 3761 -10.3 -13.1 80 2.8 -11.2 245 40 301.5 301.9 284.8 308.5 2.25 13 573 4354 -13.1 -13.6 96 0.5 -13.3 246 51 304.9 305.4 286.1 312.3 2.33 14 500 5380 -20.1 -21.8 86 1.7 -20.5 245 54 308.5 308.8 286.4 312.9 1.34 15 427 6527 -28.1 -30.1 83 2.0 -28.4 252 59 312.6 312.7 287.1 315.1 0.73 16 400 6990 -31.9 -34.4 78 2.5 -32.2 255 62 313.5 313.6 287.2 315.3 0.52 17 394 7097 -32.9 -35.6 77 2.7 -33.2 254 62 313.6 313.7 287.2 315.2 0.47 18 367 7592 -36.9 -37.9 90 1.0 -37.0 250 63 314.7 314.8 287.5 316.1 0.40 19 360 7725 -38.3 -44.3 53 6.0 -38.7 251 64 314.5 314.6 287.2 315.3 0.21 20 349 7937 -40.1 -47.1 47 7.0 -40.5 252 67 314.9 315.0 287.2 315.5 0.16 21 324 8440 -44.9 -48.5 67 3.6 -45.0 255 74 315.1 315.1 287.3 315.6 0.15 22 318 8564 -46.1 -48.8 74 2.7 -46.2 255 74 315.1 315.1 287.3 315.6 0.14 TRP WND 324 8440 -44.9 -48.5 67 3.6 -45.0 255 74 315.1 315.1 287.3 315.6 0.15 Sounding variables and indices 1000-500 mb thick: 5412.00 m Freezing level: 985.45 mb = 88.03 m = 288.80 ft Freezing level: 951.15 mb = 370.14 m = 1214.35 ft Freezing level: 936.11 mb = 497.26 m = 1631.41 ft Wetbulb zero: 988.33 mb = 64.46 m = 211.48 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 95.00 % Est. max temperature: 9.51 C = 49.12 F Sfc-Lift cond lev (LCL): 985.25 mb = 89.33 m = 293.09 ft T: -0.01 C 700-500 lapse rate: 5.66 C/km Conv cond level (CCL): 980.23 mb = 129.93 m = 426.28 ft Mean mixing ratio: 3.84 g/kg Conv temperature: 0.55 C = 32.98 F Cap Strength: 15.94 C Lifted Index: 17.50 C Risk: None Lifted Index @700 mb: 11.36 C Showalter Index: 13.86 C Risk: None Total Totals Index: 34.00 C Risk: None Vertical Totals Index: 17.00 C Cross Totals Index: 17.00 C K Index: 13.60 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 4.18 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.27 J/kg Max Up Vert Vel: 7.52 m/s Conv Inhibition (B-): 4331.72 J/kg Cap Strength: 17.41 C Lift Cond Lev (LCL): 934.30 mb = 512.27 m = 1680.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 at 27 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 ---------------------------------------------------------- 0 990 51 70 24 -22.6 -8.2 | 75 50 -48.8 -13.0 1 959 305 80 34 -33.5 -5.9 | 80 61 -59.7 -10.7 2 925 592 100 31 -30.5 5.4 | 91 57 -56.7 0.6 3 923 610 100 31 -30.5 5.4 | 91 57 -56.7 0.6 4 888 914 110 25 -23.5 8.6 | 94 50 -49.7 3.7 5 855 1219 105 24 -23.2 6.2 | 92 49 -49.4 1.4 6 850 1265 115 23 -20.8 9.7 | 96 47 -47.0 4.9 7 823 1524 110 22 -20.7 7.5 | 93 47 -46.9 2.7 8 792 1829 150 17 -8.5 14.7 | 106 36 -34.7 9.9 9 762 2134 165 18 -4.7 17.4 | 112 33 -30.9 12.6 10 733 2438 200 17 5.8 16.0 | 119 23 -20.4 11.2 11 705 2743 230 20 15.3 12.9 | 127 14 -10.9 8.1 12 700 2801 225 20 14.1 14.1 | 128 15 -12.1 9.3 13 651 3353 250 30 28.2 10.3 | 200 6 2.0 5.5 14 626 3658 245 38 34.4 16.1 | 216 14 8.2 11.3 15 578 4267 245 51 46.2 21.6 | 230 26 20.0 16.8 16 534 4877 250 54 50.7 18.5 | 241 28 24.5 13.7 17 500 5380 245 54 48.9 22.8 | 232 29 22.7 18.0 18 453 6096 250 57 53.6 19.5 | 242 31 27.4 14.7 19 400 6990 255 62 59.9 16.0 | 252 36 33.7 11.2 20 365 7620 250 63 59.2 21.5 | 243 37 33.0 16.7 21 324 8440 255 74 71.5 19.2 | 252 47 45.3 14.4 22 319 8534 255 74 71.5 19.2 | 252 47 45.3 14.4 23 304 8839 255 74 71.5 19.2 | 252 47 45.3 14.4 Wind Parameters Mean winds (0-6000m): 229.6 at 35.5 knts Storm direction: 259.6 at 26.6 knts Shear (0-3000m) pos: 8.3 neg: 0.0 tot: 8.3 10-3/s Storm rel Dir Shear (0-3000m): 71.6 deg Storm rel helicity (0-3000m) pos: 502.7 neg: -30.5 tot: 472.2 m^2/s^2 ave: 157.4 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 13.9 stream: 7.2 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.05 Bulk Shear: 536.45 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 82 31 81 57| 15.3 0.0 15.3|217.3 0.0 217.3 434.6 0.70| 21.0 14.6 1000 93 29 87 55| 8.1 0.0 8.1|284.7 -10.1 274.6 274.6 0.60| 15.6 9.3 1500 98 27 89 53| 5.8 0.0 5.8|322.6 -30.5 292.1 194.7 0.53| 12.5 6.7 2000 105 25 92 50| 7.7 0.0 7.7|438.9 -30.5 408.4 204.2 0.57| 13.6 7.8 2500 115 23 96 48| 8.2 0.0 8.2|482.0 -30.5 451.4 180.6 0.53| 14.1 7.4 3000 127 23 101 46| 8.3 0.0 8.3|502.7 -30.5 472.2 157.4 0.52| 13.9 7.2 4000 175 26 127 35| 7.6 1.4 9.1|537.0 -30.5 506.5 126.6 0.51| 13.7 7.0 5000 216 31 160 22| 6.9 1.2 8.0|580.1 -40.9 539.2 107.8 0.50| 12.1 6.1 6000 230 36 183 18| 5.9 1.1 7.0|617.5 -61.7 555.8 92.6 0.49| 10.8 5.3 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251012.00.gif