UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 28 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 1012 51 -17.5 -19.2 87 1.7 -17.8 345 7 254.8 254.9 254.7 257.0 0.83 1 1005 104 -14.5 -16.9 82 2.4 -15.0 336 9 258.3 258.4 257.9 261.0 1.01 2 1000 142 -14.3 -16.6 83 2.3 -14.7 330 10 258.9 259.0 258.4 261.7 1.04 3 925 734 -12.9 -15.8 79 2.9 -13.5 310 12 266.1 266.3 264.3 269.4 1.20 4 919 784 -12.5 -16.0 75 3.5 -13.3 310 12 267.0 267.2 264.8 270.3 1.19 5 890 1028 -13.1 -17.0 72 3.9 -13.9 308 11 268.9 269.0 266.0 272.0 1.13 6 881 1105 -13.5 -21.5 51 8.0 -15.0 307 9 269.2 269.4 265.6 271.5 0.78 7 866 1236 -13.3 -16.0 80 2.7 -13.9 306 8 270.8 271.0 267.5 274.3 1.27 8 850 1378 -13.5 -16.5 78 3.0 -14.2 310 12 272.0 272.2 268.3 275.5 1.24 9 846 1414 -13.5 -17.5 72 4.0 -14.4 306 12 272.4 272.6 268.4 275.6 1.14 10 833 1531 -14.3 -19.3 66 5.0 -15.3 295 12 272.7 272.9 268.4 275.6 1.00 11 786 1968 -18.5 -19.5 92 1.0 -18.7 303 11 272.8 273.0 268.5 275.8 1.04 12 774 2083 -19.5 -21.8 82 2.3 -19.9 301 10 272.9 273.1 268.3 275.4 0.86 13 733 2485 -22.9 -22.9 100 0.0 -22.9 310 15 273.5 273.6 268.6 275.9 0.83 14 729 2525 -22.9 -23.2 97 0.3 -22.9 310 15 273.9 274.1 268.8 276.3 0.81 15 717 2647 -20.9 -25.6 66 4.7 -21.6 310 16 277.4 277.5 270.8 279.4 0.66 16 704 2782 -21.1 -27.1 58 6.0 -22.0 312 16 278.7 278.8 271.4 280.4 0.59 17 701 2813 -21.3 -30.3 44 9.0 -22.5 314 16 278.8 278.9 271.2 280.1 0.44 18 700 2824 -21.3 -30.3 44 9.0 -22.5 315 16 278.9 279.0 271.3 280.2 0.44 19 677 3070 -22.9 -32.9 40 10.0 -24.1 313 17 279.8 279.8 271.6 280.9 0.35 20 672 3124 -23.1 -32.1 44 9.0 -24.2 312 18 280.2 280.2 271.9 281.4 0.39 21 670 3146 -23.3 -29.3 58 6.0 -24.1 312 18 280.2 280.3 272.1 281.7 0.50 22 665 3201 -23.5 -32.5 43 9.0 -24.5 312 18 280.5 280.6 272.1 281.7 0.37 23 660 3256 -23.9 -29.9 58 6.0 -24.6 311 18 280.7 280.8 272.4 282.2 0.48 24 654 3322 -24.5 -34.5 39 10.0 -25.6 310 19 280.8 280.8 272.2 281.7 0.31 25 645 3423 -25.1 -32.1 52 7.0 -25.9 312 19 281.2 281.3 272.6 282.4 0.40 26 643 3446 -25.3 -28.6 74 3.3 -25.7 313 20 281.2 281.3 272.8 282.9 0.56 27 608 3850 -27.7 -31.0 73 3.3 -28.1 305 22 283.0 283.1 273.7 284.5 0.47 28 548 4593 -30.1 -34.5 65 4.4 -30.6 297 23 288.7 288.7 276.6 289.9 0.37 29 500 5240 -34.1 -37.7 70 3.6 -34.4 300 23 291.5 291.5 277.9 292.4 0.30 30 475 5597 -36.5 -38.9 78 2.4 -36.7 298 23 292.8 292.9 278.5 293.7 0.28 31 464 5759 -36.9 -41.2 64 4.3 -37.2 297 23 294.3 294.3 279.1 295.0 0.22 32 462 5788 -37.1 -40.1 74 3.0 -37.3 297 23 294.4 294.4 279.2 295.2 0.25 33 459 5833 -37.3 -43.3 54 6.0 -37.7 297 23 294.7 294.7 279.2 295.3 0.18 34 443 6077 -38.9 -41.7 75 2.8 -39.1 295 23 295.7 295.7 279.7 296.4 0.22 35 433 6233 -39.7 -44.0 63 4.3 -39.9 295 24 296.6 296.6 280.1 297.2 0.18 36 430 6281 -39.7 -52.7 24 13.0 -40.2 295 24 297.2 297.2 280.2 297.4 0.07 37 423 6392 -40.9 -45.8 59 4.9 -41.2 295 25 297.0 297.1 280.3 297.6 0.15 38 406 6670 -42.7 -46.6 65 3.9 -42.9 295 27 298.2 298.2 280.8 298.7 0.14 39 402 6736 -43.1 -49.1 52 6.0 -43.3 295 28 298.5 298.6 280.8 298.9 0.11 40 400 6770 -43.3 -49.3 52 6.0 -43.5 295 28 298.7 298.7 280.9 299.1 0.11 41 394 6872 -44.1 -48.8 59 4.7 -44.3 294 28 299.0 299.0 281.1 299.4 0.11 42 386 7009 -44.9 -50.9 51 6.0 -45.1 294 28 299.7 299.7 281.3 300.0 0.09 43 381 7096 -45.7 -50.7 57 5.0 -45.9 293 28 299.7 299.8 281.4 300.1 0.10 44 376 7184 -45.9 -55.9 31 10.0 -46.2 293 28 300.6 300.6 281.7 300.8 0.05 45 372 7255 -46.1 -53.1 45 7.0 -46.3 292 29 301.3 301.3 282.0 301.5 0.07 46 304 8575 -53.5 -63.5 28 10.0 -53.7 295 33 308.8 308.8 284.9 308.9 0.02 47 300 8660 -53.1 -66.1 19 13.0 -53.3 290 33 310.5 310.5 285.5 310.6 0.02 48 280 9104 -52.5 -64.5 22 12.0 -52.7 295 28 317.6 317.6 288.0 317.6 0.02 49 276 9197 -52.1 -73.1 6 21.0 -52.4 291 28 319.4 319.4 288.6 319.5 0.01 50 261 9559 -50.9 -76.9 3 26.0 -51.2 278 26 326.3 326.4 290.7 326.4 0.00 51 250 9840 -49.3 -77.3 2 28.0 -49.7 285 23 332.8 332.8 292.4 332.8 0.00 52 227 10479 -45.7 -79.7 1 34.0 -46.4 274 25 347.6 347.6 296.1 347.6 0.00 53 214 10871 -47.1 -80.1 1 33.0 -47.7 275 23 351.3 351.3 296.9 351.3 0.00 54 200 11320 -46.7 -80.7 1 34.0 -47.4 285 25 358.8 358.8 298.5 358.8 0.00 55 150 13230 -46.1 -81.1 1 35.0 -47.1 260 21 390.6 390.6 303.9 390.6 0.00 56 127 14337 -45.5 -81.5 1 36.0 -46.7 280 21 410.8 410.8 306.6 410.8 0.00 57 112 15171 -47.7 -82.7 1 35.0 -48.8 266 18 421.7 421.7 307.9 421.7 0.00 58 100 15920 -46.7 -82.7 1 36.0 -48.0 260 12 437.5 437.5 309.6 437.5 0.00 59 70 18280 -47.3 -83.3 1 36.0 -49.0 295 12 483.2 483.2 313.7 483.2 0.01 60 50 20500 -47.5 -84.5 1 37.0 -49.7 190 5 531.5 531.5 317.0 531.6 0.01 61 45 21196 -48.3 -84.3 1 36.0 -50.5 302 3 545.9 545.9 317.9 545.9 0.01 62 36 22669 -47.7 -84.7 1 37.0 -50.5 70 2 583.4 583.4 319.8 583.4 0.01 63 30 23870 -49.1 -85.1 1 36.0 -51.9 120 8 610.8 610.8 321.1 610.8 0.01 64 27 24561 -49.5 -85.5 1 36.0 -52.4 107 10 628.3 628.3 321.8 628.4 0.01 65 20 26530 -49.1 -86.1 1 37.0 -52.9 95 4 685.9 685.9 324.0 686.0 0.01 TRP 304 8575 -53.5 -63.5 28 10.0 -53.7 295 33 308.8 308.8 284.9 308.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5098.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 71.47 % Est. max temperature: -1.15 C = 29.93 F Sfc-Lift cond lev (LCL): 984.21 mb = 262.86 m = 862.41 ft T: -14.01 C 700-500 lapse rate: 5.30 C/km ThetaE index: 0.58 C Layer 881.0- 866.0 mb Conv cond level (CCL): 783.47 mb = 1992.31 m = 6536.36 ft Mean mixing ratio: 1.11 g/kg Conv temperature: 0.62 C = 33.11 F Cap Strength: 19.68 C Lifted Index: 21.37 C Risk: None Lifted Index @300 mb: 31.84 C Lifted Index @700 mb: 12.84 C Showalter Index: 13.34 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 17.60 C K Index: -4.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 3.50 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.09 J/kg Max Up Vert Vel: 6.18 m/s Conv Inhibition (B-): 68550.69 J/kg Cap Strength: 21.38 C Lift Cond Lev (LCL): 920.17 mb = 773.90 m = 2539.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 334 at 13 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 1012 51 345 7 1.8 -6.8 | 142 6 -3.8 4.8 1 1000 142 330 10 5.0 -8.7 | 168 3 -0.6 2.9 2 979 305 330 12 6.0 -10.4 | 198 1 0.4 1.2 3 940 610 305 10 8.2 -5.7 | 204 6 2.6 5.8 4 925 734 310 12 9.2 -7.7 | 223 5 3.6 3.9 5 903 914 310 13 10.0 -8.4 | 233 5 4.3 3.2 6 868 1219 305 7 5.7 -4.0 | 181 8 0.1 7.6 7 850 1378 310 12 9.2 -7.7 | 223 5 3.6 3.9 8 833 1524 295 12 10.9 -5.1 | 219 8 5.3 6.5 9 800 1829 305 11 9.0 -6.3 | 213 6 3.4 5.3 10 768 2134 300 10 8.7 -5.0 | 205 7 3.1 6.6 11 737 2438 310 15 11.5 -9.6 | 252 6 5.9 1.9 12 708 2743 310 16 12.3 -10.3 | 259 7 6.6 1.3 13 700 2824 315 16 11.3 -11.3 | 267 6 5.7 0.3 14 650 3353 310 19 14.6 -12.2 | 274 9 8.9 -0.6 15 623 3658 320 21 13.5 -16.1 | 300 9 7.9 -4.5 16 597 3962 295 23 20.8 -9.7 | 263 15 15.2 1.9 17 573 4267 305 22 18.0 -12.6 | 275 12 12.4 -1.0 18 526 4877 290 23 21.6 -7.9 | 257 16 16.0 3.7 19 500 5240 300 23 19.9 -11.5 | 270 14 14.3 0.1 20 441 6096 295 23 20.8 -9.7 | 263 15 15.2 1.9 21 400 6770 295 28 25.4 -11.8 | 271 20 19.8 -0.3 22 352 7620 290 29 27.3 -9.9 | 266 22 21.6 1.7 23 306 8534 295 33 29.9 -13.9 | 276 24 24.3 -2.4 24 304 8575 295 33 29.9 -13.9 | 276 24 24.3 -2.4 25 300 8660 290 33 31.0 -11.3 | 269 25 25.4 0.3 26 278 9144 295 28 25.4 -11.8 | 271 20 19.8 -0.3 27 266 9449 275 27 26.9 -2.4 | 247 23 21.3 9.2 28 250 9840 285 23 22.2 -6.0 | 251 18 16.6 5.6 29 231 10363 280 26 25.6 -4.5 | 251 21 20.0 7.1 30 221 10668 265 24 23.9 2.1 | 233 23 18.3 13.7 31 211 10973 280 23 22.7 -4.0 | 246 19 17.0 7.6 32 200 11320 285 25 24.1 -6.5 | 255 19 18.5 5.1 33 192 11582 285 24 23.2 -6.2 | 253 18 17.6 5.4 34 175 12192 260 23 22.7 4.0 | 228 23 17.0 15.6 35 168 12497 275 22 21.9 -1.9 | 239 19 16.3 9.7 36 153 13106 255 20 19.3 5.2 | 219 22 13.7 16.8 37 150 13230 260 21 20.7 3.6 | 225 21 15.1 15.2 38 139 13716 255 23 22.2 6.0 | 223 24 16.6 17.5 39 127 14326 280 21 20.7 -3.6 | 242 17 15.1 7.9 40 111 15240 265 18 17.9 1.6 | 223 18 12.3 13.2 41 106 15545 275 15 14.9 -1.3 | 222 14 9.3 10.3 42 101 15850 275 13 13.0 -1.1 | 215 13 7.3 10.4 43 100 15920 260 12 11.8 2.1 | 204 15 6.2 13.7 44 97 16154 260 12 11.8 2.1 | 204 15 6.2 13.7 45 92 16459 250 12 11.3 4.1 | 200 17 5.7 15.7 46 88 16764 275 14 13.9 -1.2 | 219 13 8.3 10.4 47 84 17069 270 16 16.0 -0.0 | 222 16 10.4 11.6 48 77 17678 295 12 10.9 -5.1 | 219 8 5.3 6.5 49 73 17983 255 10 9.7 2.6 | 196 15 4.1 14.2 50 70 18280 295 12 10.9 -5.1 | 219 8 5.3 6.5 51 67 18593 300 13 11.3 -6.5 | 228 8 5.6 5.1 52 53 20117 285 10 9.7 -2.6 | 204 10 4.1 9.0 53 51 20422 340 10 3.4 -9.4 | 135 3 -2.2 2.2 54 50 20500 190 5 0.9 4.9 | 164 17 -4.7 16.5 55 44 21336 325 3 1.7 -2.5 | 157 10 -3.9 9.1 56 37 22555 65 1 -0.9 -0.4 | 150 13 -6.5 11.2 57 30 23870 120 8 -6.9 4.0 | 141 20 -12.5 15.6 58 26 24689 105 10 -9.7 2.6 | 133 21 -15.3 14.2 59 25 24994 120 10 -8.7 5.0 | 139 22 -14.3 16.6 60 22 25908 70 10 -9.4 -3.4 | 119 17 -15.0 8.2 61 21 26213 80 10 -9.8 -1.7 | 122 18 -15.5 9.8 62 20 26530 95 4 -4.0 0.3 | 141 15 -9.6 11.9 63 13 27432 100 4 -3.9 0.7 | 142 16 -9.5 12.3 64 10 28042 55 12 -9.8 -6.9 | 107 16 -15.4 4.7 65 7 28956 50 11 -8.4 -7.1 | 108 15 -14.0 4.5 66 4 30175 55 15 -12.3 -8.6 | 99 18 -17.9 3.0 Wind Parameters Mean winds (0-6000m): 304.2 at 17.2 knts Storm direction: 334.2 at 12.9 knts Shear (0-3000m) pos: 1.2 neg: 1.6 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 129.7 deg Storm rel helicity (0-3000m) pos: 24.4 neg: -10.3 tot: 14.1 m^2/s^2 ave: 4.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.10 Bulk Shear: 9.11 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 ------------------------------------------------------------------------------- 500 326 11 187 3| 0.0 6.3 6.3| 2.9 -0.2 2.7 5.4 0.36| 9.7 3.5 1000 317 11 210 4| 0.0 3.3 3.3| 6.3 -3.6 2.7 2.7 0.23| 7.5 1.7 1500 313 11 208 5| 0.0 3.1 3.1| 12.1 -7.7 4.4 2.9 0.20| 7.9 1.6 2000 310 11 210 5| 0.5 2.3 2.8| 12.1 -10.3 1.8 0.9 0.12| 6.7 0.8 2500 309 11 215 5| 1.0 1.9 2.8| 21.2 -10.3 10.9 4.4 0.27| 6.5 1.8 3000 310 12 224 5| 1.2 1.6 2.7| 24.4 -10.3 14.1 4.7 0.30| 6.0 1.8 4000 310 14 245 6| 1.3 2.1 3.4| 36.6 -32.7 3.9 1.0 0.16| 6.5 1.1 5000 306 16 253 8| 1.0 1.8 2.8| 49.2 -48.4 0.8 0.2 0.12| 6.2 0.8 6000 304 17 257 9| 0.9 1.6 2.5| 56.1 -54.7 1.5 0.2 0.12| 5.5 0.6 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20250428.12.gif