UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:0000Z 8 DEC 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 1014 51 -31.7 -34.9 73 3.2 -31.9 315 5 240.5 240.5 240.4 241.0 0.19 1 1000 149 -29.1 -32.6 72 3.5 -29.3 325 12 244.1 244.1 243.8 244.7 0.25 2 999 156 -29.1 -32.6 72 3.5 -29.3 325 12 244.1 244.2 243.9 244.8 0.25 3 944 564 -25.5 -26.8 89 1.3 -25.6 316 20 251.8 251.8 251.3 253.0 0.45 4 925 712 -23.9 -26.0 83 2.1 -24.1 320 17 254.9 254.9 254.0 256.2 0.50 5 913 807 -23.1 -25.9 78 2.8 -23.4 313 16 256.6 256.7 255.5 258.0 0.51 6 874 1127 -23.9 -27.8 70 3.9 -24.3 291 17 259.0 259.1 257.3 260.3 0.44 7 859 1253 -23.7 -26.0 81 2.3 -23.9 288 19 260.5 260.6 258.7 262.0 0.53 8 850 1330 -23.7 -27.5 71 3.8 -24.1 295 20 261.3 261.4 259.2 262.7 0.47 9 847 1356 -23.5 -28.2 65 4.7 -24.0 296 20 261.8 261.9 259.5 263.1 0.44 10 814 1646 -24.3 -28.6 68 4.3 -24.8 297 18 263.9 264.0 261.2 265.2 0.44 11 756 2181 -27.1 -31.8 64 4.7 -27.5 283 16 266.5 266.6 262.9 267.6 0.35 12 700 2732 -30.3 -35.3 62 5.0 -30.7 265 13 268.9 269.0 264.4 269.7 0.27 13 605 3755 -36.1 -46.1 35 10.0 -36.5 215 2 273.7 273.7 267.4 274.0 0.10 14 515 4853 -44.3 -51.3 46 7.0 -44.5 275 3 276.7 276.7 269.2 276.9 0.07 15 500 5050 -45.3 -54.3 36 9.0 -45.5 190 6 277.8 277.8 269.9 278.0 0.05 16 483 5281 -46.9 -54.9 40 8.0 -47.1 197 10 278.6 278.6 270.4 278.8 0.05 17 457 5648 -48.5 -60.5 24 12.0 -48.7 243 9 281.0 281.0 271.8 281.1 0.02 18 425 6125 -50.7 -57.7 43 7.0 -50.8 300 9 284.1 284.1 273.6 284.3 0.04 19 412 6328 -51.5 -60.5 33 9.0 -51.7 297 10 285.6 285.6 274.4 285.7 0.03 20 400 6520 -52.5 -60.5 37 8.0 -52.6 295 10 286.8 286.8 275.0 286.9 0.03 21 373 6968 -54.9 -61.9 42 7.0 -55.0 248 13 289.4 289.4 276.4 289.5 0.02 22 362 7158 -55.5 -64.5 32 9.0 -55.6 275 14 291.1 291.1 277.2 291.1 0.02 23 302 8308 -56.3 -69.3 18 13.0 -56.4 302 17 305.4 305.4 283.6 305.4 0.01 24 300 8350 -56.1 -70.1 16 14.0 -56.2 295 18 306.3 306.3 283.9 306.3 0.01 25 278 8838 -54.3 -75.3 6 21.0 -54.5 270 14 315.6 315.6 287.3 315.6 0.01 26 250 9520 -54.9 -78.9 4 24.0 -55.1 250 11 324.4 324.4 290.1 324.5 0.00 27 232 9999 -51.9 -79.9 2 28.0 -52.2 278 12 336.0 336.0 293.3 336.0 0.00 28 217 10428 -54.3 -81.3 2 27.0 -54.6 296 10 338.8 338.8 294.0 338.8 0.00 29 200 10950 -53.5 -82.5 2 29.0 -53.8 320 13 348.0 348.0 296.2 348.1 0.00 30 188 11348 -52.7 -82.7 1 30.0 -53.1 308 11 355.6 355.6 297.8 355.6 0.00 31 162 12306 -54.1 -84.1 1 30.0 -54.5 287 11 368.7 368.7 300.3 368.7 0.00 32 150 12800 -53.3 -84.3 1 31.0 -53.8 315 11 378.2 378.2 301.9 378.2 0.00 33 139 13291 -52.9 -83.9 1 31.0 -53.4 5 10 387.3 387.3 303.4 387.3 0.00 34 123 14074 -56.3 -85.3 1 29.0 -56.7 295 11 394.9 394.9 304.5 394.9 0.00 35 116 14448 -54.5 -85.5 1 31.0 -55.0 320 13 404.9 404.9 305.9 404.9 0.00 36 112 14671 -56.3 -86.3 1 30.0 -56.7 314 11 405.6 405.6 305.9 405.6 0.00 37 100 15390 -57.1 -86.1 1 29.0 -57.5 325 13 417.4 417.4 307.4 417.4 0.00 38 96 15649 -56.3 -86.3 1 30.0 -56.8 318 13 423.9 423.9 308.2 423.9 0.00 39 90 16058 -57.9 -86.9 1 29.0 -58.3 339 12 428.6 428.6 308.7 428.6 0.00 40 70 17650 -55.9 -86.9 1 31.0 -56.6 335 17 464.8 464.8 312.2 464.8 0.00 41 50 19810 -52.3 -86.3 1 34.0 -53.7 315 18 520.2 520.2 316.3 520.3 0.00 42 45 20492 -50.7 -85.7 1 35.0 -52.4 325 21 540.0 540.0 317.5 540.1 0.01 43 30 23120 -52.1 -87.1 1 35.0 -54.2 330 57 602.6 602.6 320.7 602.6 0.01 44 28 23564 -53.3 -87.3 1 34.0 -55.3 330 50 611.3 611.3 321.1 611.3 0.01 45 24 24559 -51.1 -87.1 1 36.0 -53.9 300 46 645.2 645.2 322.5 645.3 0.01 46 20 25730 -55.9 -87.9 1 32.0 -57.9 280 54 665.1 665.1 323.3 665.1 0.01 47 19 26057 -56.3 -88.3 1 32.0 -58.3 280 57 673.7 673.7 323.6 673.7 0.01 48 16 27156 -54.3 -88.3 1 34.0 -57.1 314 55 714.1 714.1 324.9 714.2 0.01 49 14 28010 -56.5 -88.5 1 32.0 -59.0 307 53 734.5 734.5 325.5 734.5 0.01 50 13 28484 -54.1 -88.1 1 34.0 -57.4 302 64 758.5 758.5 326.2 758.6 0.01 51 11 29553 -56.1 -89.1 1 33.0 -59.2 295 62 788.4 788.4 327.0 788.5 0.01 52 10 30160 -55.9 -88.9 1 33.0 -59.3 305 82 811.0 811.1 327.5 811.2 0.01 53 9.4 30554 -55.7 -88.7 1 33.0 -59.3 826.1 826.1 327.8 826.3 0.02 54 7.5 31995 -54.7 -88.7 1 34.0 -59.3 885.3 885.3 329.1 885.5 0.02 55 6.9 32532 -52.1 -88.1 1 36.0 -58.0 917.4 917.5 329.8 917.7 0.02 56 5.4 34109 -55.1 -88.1 1 33.0 -60.5 970.7 970.7 330.7 971.0 0.03 57 4.4 35418 -54.5 -88.5 1 34.0 -60.9 1032.1 1032.1 331.6 1032.5 0.03 TRP 362 7158 -55.5 -64.5 32 9.0 -55.6 275 14 291.1 291.1 277.2 291.1 0.02 WND 10 30160 -55.9 -88.9 1 33.0 -59.3 305 82 811.0 811.1 327.5 811.2 0.01 Sounding variables and indices 1000-500 mb thick: 4901.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 58.12 % Est. max temperature: -12.08 C = 10.25 F Sfc-Lift cond lev (LCL): 960.23 mb = 441.22 m = 1447.57 ft T: -26.58 C 700-500 lapse rate: 6.47 C/km ThetaE index: 0.00 C Layer 1014.0-1346878835939174223569747968.0 mb Conv cond level (CCL): 1000.00 mb = 149.00 m = 488.84 ft Mean mixing ratio: 0.37 g/kg Conv temperature: -27.27 C = -17.08 F Cap Strength: 22.01 C Lifted Index: 22.77 C Risk: None Lifted Index @300 mb: 39.80 C Lifted Index @700 mb: 17.20 C Showalter Index: 12.51 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 17.80 C K Index: -10.90 Risk: None Sweat Index: 46.00 Risk: None Energy Index: 3.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.49 J/kg Max Up Vert Vel: 9.75 m/s Conv Inhibition (B-): 79697.73 J/kg Cap Strength: 22.62 C Lift Cond Lev (LCL): 932.55 mb = 652.84 m = 2141.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 315 at 8 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 1014 51 315 5 3.5 -3.5 | 134 3 -2.0 1.9 1 1000 149 325 12 6.9 -9.8 | 343 5 1.4 -4.4 2 979 305 325 12 6.9 -9.8 | 343 5 1.4 -4.4 3 938 610 315 21 14.8 -14.8 | 315 13 9.3 -9.4 4 925 712 320 17 10.9 -13.0 | 324 9 5.4 -7.6 5 900 914 305 15 12.3 -8.6 | 295 7 6.8 -3.1 6 863 1219 285 18 17.4 -4.7 | 266 12 11.9 0.8 7 850 1330 295 20 18.1 -8.5 | 283 13 12.6 -3.0 8 827 1524 305 18 14.7 -10.3 | 298 10 9.2 -4.9 9 793 1829 285 17 16.4 -4.4 | 264 11 10.9 1.1 10 760 2134 280 16 15.8 -2.8 | 255 11 10.2 2.7 11 729 2438 305 16 13.1 -9.2 | 296 8 7.6 -3.7 12 700 2732 265 13 13.0 1.1 | 228 10 7.4 6.6 13 699 2743 260 13 12.8 2.3 | 223 11 7.3 7.7 14 669 3048 260 10 9.8 1.7 | 211 8 4.3 7.2 15 612 3658 210 2 1.0 1.7 | 148 8 -4.5 7.2 16 560 4267 250 2 1.9 0.7 | 149 7 -3.6 6.1 17 536 4572 225 1 0.7 0.7 | 142 8 -4.8 6.2 18 513 4877 280 3 3.0 -0.5 | 152 6 -2.6 4.9 19 500 5050 190 6 1.0 5.9 | 158 12 -4.5 11.4 20 490 5182 185 10 0.9 10.0 | 163 16 -4.7 15.4 21 427 6096 300 9 7.8 -4.5 | 247 2 2.3 1.0 22 400 6520 295 10 9.1 -4.2 | 251 4 3.5 1.2 23 389 6706 295 10 9.1 -4.2 | 251 4 3.5 1.2 24 370 7010 240 13 11.3 6.5 | 206 13 5.7 12.0 25 362 7158 275 14 13.9 -1.2 | 243 9 8.4 4.2 26 337 7620 295 21 19.0 -8.9 | 284 14 13.5 -3.4 27 321 7925 290 20 18.8 -6.8 | 276 13 13.3 -1.4 28 306 8230 315 14 9.9 -9.9 | 315 6 4.4 -4.4 29 300 8350 295 18 16.3 -7.6 | 281 11 10.8 -2.2 30 278 8839 270 14 14.0 -0.0 | 237 10 8.5 5.5 31 265 9144 290 11 10.3 -3.8 | 251 5 4.8 1.7 32 253 9449 295 10 9.1 -4.2 | 251 4 3.5 1.2 33 250 9520 250 11 10.3 3.8 | 208 10 4.8 9.2 34 241 9754 250 10 9.4 3.4 | 204 10 3.9 8.9 35 230 10058 285 13 12.6 -3.4 | 253 7 7.0 2.1 36 219 10363 300 10 8.7 -5.0 | 262 3 3.1 0.5 37 209 10668 280 9 8.9 -1.6 | 221 5 3.3 3.9 38 200 10950 320 13 8.4 -10.0 | 328 5 2.8 -4.5 39 199 10973 305 14 11.5 -8.0 | 293 6 5.9 -2.6 40 190 11278 305 11 9.0 -6.3 | 284 4 3.5 -0.9 41 181 11582 320 10 6.4 -7.7 | 338 2 0.9 -2.2 42 165 12192 280 11 10.8 -1.9 | 236 6 5.3 3.5 43 150 12800 315 11 7.8 -7.8 | 316 3 2.3 -2.3 44 150 12802 295 11 10.0 -4.6 | 260 5 4.4 0.8 45 143 13106 350 11 1.9 -10.8 | 34 6 -3.6 -5.4 46 136 13411 15 10 -2.6 -9.7 | 63 9 -8.1 -4.2 47 130 13716 265 2 2.0 0.2 | 148 7 -3.5 5.6 48 124 14021 290 10 9.4 -3.4 | 242 4 3.9 2.0 49 118 14326 320 15 9.6 -11.5 | 326 7 4.1 -6.0 50 113 14630 320 11 7.1 -8.4 | 333 3 1.5 -3.0 51 107 14935 265 12 12.0 1.0 | 225 9 6.4 6.5 52 102 15240 310 7 5.4 -4.5 | 170 1 -0.2 1.0 53 100 15390 325 13 7.5 -10.6 | 340 6 1.9 -5.2 54 98 15545 325 13 7.5 -10.6 | 340 6 1.9 -5.2 55 93 15850 305 13 10.6 -7.5 | 291 5 5.1 -2.0 56 89 16154 355 11 1.0 -11.0 | 40 7 -4.6 -5.5 57 84 16459 5 10 -0.9 -10.0 | 55 8 -6.4 -4.5 58 81 16764 330 4 2.0 -3.5 | 119 4 -3.5 2.0 59 77 17069 265 12 12.0 1.0 | 225 9 6.4 6.5 60 70 17650 335 17 7.2 -15.4 | 351 10 1.7 -10.0 61 70 17678 345 16 4.1 -15.5 | 8 10 -1.4 -10.0 62 66 17983 335 14 5.9 -12.7 | 357 7 0.4 -7.2 63 63 18288 320 13 8.4 -10.0 | 328 5 2.8 -4.5 64 60 18593 320 18 11.6 -13.8 | 324 10 6.0 -8.3 65 58 18898 290 19 17.9 -6.5 | 275 12 12.3 -1.0 66 55 19202 330 19 9.5 -16.5 | 340 12 4.0 -11.0 67 52 19507 325 28 16.1 -22.9 | 329 20 10.5 -17.5 68 50 19810 315 18 12.7 -12.7 | 315 10 7.2 -7.3 69 48 20117 320 17 10.9 -13.0 | 324 9 5.4 -7.6 70 45 20422 330 19 9.5 -16.5 | 340 12 4.0 -11.0 71 43 20726 310 28 21.4 -18.0 | 308 20 15.9 -12.5 72 40 21336 320 36 23.1 -27.6 | 321 28 17.6 -22.1 73 38 21641 330 26 13.0 -22.5 | 336 19 7.5 -17.1 74 36 21946 310 35 26.8 -22.5 | 309 27 21.3 -17.0 75 31 22860 305 53 43.4 -30.4 | 303 45 37.9 -24.9 76 30 23120 330 57 28.5 -49.4 | 332 50 23.0 -43.9 77 30 23165 330 60 30.0 -52.0 | 332 53 24.5 -46.5 78 27 23774 330 44 22.0 -38.1 | 333 37 16.5 -32.6 79 26 24079 315 31 21.9 -21.9 | 315 23 16.4 -16.5 80 25 24384 300 40 34.6 -20.0 | 297 33 29.1 -14.5 81 24 24689 300 51 44.2 -25.5 | 297 44 38.6 -20.0 82 21 25298 300 42 36.4 -21.0 | 297 35 30.8 -15.5 83 20 25603 280 34 33.5 -5.9 | 271 28 28.0 -0.4 84 20 25730 280 54 53.2 -9.4 | 275 48 47.7 -3.9 85 19 26213 280 59 58.1 -10.2 | 275 53 52.6 -4.8 86 18 26518 295 66 59.8 -27.9 | 292 59 54.3 -22.4 87 16 27127 315 56 39.6 -39.6 | 315 48 34.1 -34.1 88 15 27432 305 49 40.1 -28.1 | 303 41 34.6 -22.6 89 15 27737 310 46 35.2 -29.6 | 309 38 29.7 -24.1 90 13 28651 300 68 58.9 -34.0 | 298 61 53.4 -28.5 91 12 29261 290 53 49.8 -18.1 | 286 46 44.3 -12.7 92 10 30160 305 82 67.2 -47.0 | 304 74 61.6 -41.6 93 10 30175 305 82 67.2 -47.0 | 304 74 61.6 -41.6 Wind Parameters Mean winds (0-6000m): 284.6 at 10.4 knts Storm direction: 314.6 at 7.8 knts Shear (0-3000m) pos: 2.9 neg: 3.5 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 76.7 deg Storm rel helicity (0-3000m) pos: 30.4 neg: -74.3 tot: -43.9 m^2/s^2 ave: -14.6 10^-3 m/s^2 rel: -0.46 Storm rel vorticity (0-3000m) horiz: 10.9 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.77 Bulk Shear: 8.23 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 ------------------------------------------------------------------------------- 500 322 13 332 5| 14.7 0.0 14.7| 0.0 -8.0 -8.0 -15.9 -0.73| 18.0-13.2 1000 316 15 317 7| 7.3 3.6 11.0| 0.4 -20.1 -19.7 -19.7 -0.68| 13.7 -9.4 1500 308 16 301 8| 5.7 2.4 8.1| 16.3 -24.5 -8.2 -5.5 -0.41| 12.4 -5.1 2000 303 16 293 9| 4.2 3.5 7.8| 16.3 -43.7 -27.4 -13.7 -0.50| 11.1 -5.6 2500 301 16 289 9| 3.5 2.8 6.3| 30.4 -52.2 -21.8 -8.7 -0.37| 11.0 -4.1 3000 296 16 280 9| 2.9 3.5 6.4| 30.4 -74.3 -43.9 -14.6 -0.46| 10.9 -5.0 4000 292 13 265 6| 2.3 3.0 5.3| 30.8 -96.1 -65.4 -16.3 -0.52| 9.5 -4.9 5000 291 11 248 5| 1.9 2.9 4.7| 36.1-101.6 -65.5 -13.1 -0.44| 8.8 -3.9 6000 285 10 238 5| 2.6 2.4 5.0| 76.0-101.6 -25.6 -4.3 -0.23| 9.2 -2.1 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251208.00.gif