UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 9 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 1012 51 -32.5 -35.7 73 3.2 -32.7 345 24 239.8 239.9 239.7 240.3 0.18 1 1005 102 -30.3 -33.3 75 3.0 -30.5 351 26 242.5 242.5 242.3 243.1 0.23 2 1001 132 -25.5 -28.0 80 2.5 -25.7 354 27 247.6 247.6 247.4 248.6 0.38 3 1000 140 -25.3 -28.3 76 3.0 -25.6 355 27 247.9 247.9 247.6 248.9 0.37 4 938 608 -21.7 -25.6 71 3.9 -22.2 345 8 256.1 256.2 255.1 257.5 0.51 5 925 711 -22.5 -26.0 73 3.5 -22.9 340 8 256.3 256.4 255.2 257.7 0.50 6 909 839 -22.7 -27.2 67 4.5 -23.2 334 11 257.4 257.4 256.0 258.6 0.45 7 884 1044 -22.1 -26.7 66 4.6 -22.7 336 13 260.1 260.1 258.2 261.4 0.49 8 873 1136 -21.5 -30.5 44 9.0 -22.5 341 13 261.6 261.7 259.2 262.6 0.35 9 864 1212 -21.3 -28.3 53 7.0 -22.1 345 13 262.6 262.7 260.1 263.8 0.43 10 859 1255 -20.9 -28.9 49 8.0 -21.8 343 12 263.5 263.5 260.7 264.6 0.41 11 850 1333 -21.3 -30.3 44 9.0 -22.3 340 11 263.8 263.9 260.9 264.9 0.36 12 824 1562 -21.5 -34.5 30 13.0 -22.8 309 11 266.0 266.0 262.3 266.7 0.25 13 819 1607 -21.3 -31.3 40 10.0 -22.4 313 10 266.7 266.7 263.0 267.7 0.34 14 816 1634 -21.1 -38.1 20 17.0 -22.6 316 10 267.1 267.2 263.0 267.7 0.18 15 794 1835 -21.7 -42.7 13 21.0 -23.3 335 7 268.6 268.6 263.9 268.9 0.11 16 790 1872 -21.7 -34.7 30 13.0 -23.0 328 8 269.0 269.0 264.4 269.8 0.25 17 772 2041 -22.9 -34.9 33 12.0 -24.1 301 11 269.5 269.5 264.8 270.2 0.26 18 733 2420 -24.1 -42.1 17 18.0 -25.5 280 7 272.2 272.2 266.4 272.6 0.13 19 700 2754 -25.9 -42.9 19 17.0 -27.1 240 7 273.8 273.8 267.5 274.2 0.12 20 672 3048 -27.3 -45.3 16 18.0 -28.5 227 9 275.4 275.5 268.5 275.8 0.10 21 657 3210 -28.3 -37.3 42 9.0 -29.0 220 10 276.1 276.1 269.2 276.8 0.24 22 649 3298 -28.5 -40.5 31 12.0 -29.4 216 11 276.8 276.9 269.5 277.4 0.17 23 628 3533 -29.7 -38.7 41 9.0 -30.4 206 13 278.1 278.1 270.4 278.8 0.21 24 615 3682 -28.9 -38.9 38 10.0 -29.7 200 14 280.7 280.7 271.9 281.4 0.21 25 567 4260 -31.5 -38.5 50 7.0 -32.0 190 14 284.2 284.3 274.0 285.0 0.24 26 535 4669 -33.3 -43.3 36 10.0 -34.0 192 18 286.8 286.9 275.3 287.4 0.16 27 500 5140 -36.9 -44.9 43 8.0 -37.3 185 16 288.0 288.1 275.9 288.5 0.14 28 489 5294 -38.1 -45.1 48 7.0 -38.5 191 14 288.4 288.4 276.1 288.9 0.14 29 415 6406 -46.3 -55.3 35 9.0 -46.5 226 12 291.7 291.7 277.6 291.9 0.05 30 400 6650 -48.3 -55.3 44 7.0 -48.5 235 13 292.2 292.2 277.9 292.4 0.05 31 382 6951 -50.7 -55.7 55 5.0 -50.8 236 13 292.9 292.9 278.2 293.1 0.05 32 358 7371 -53.7 -60.7 42 7.0 -53.8 189 12 294.4 294.4 278.9 294.5 0.03 33 342 7663 -56.3 -60.4 60 4.1 -56.3 180 11 294.7 294.7 279.0 294.9 0.03 34 336 7775 -56.9 -60.4 64 3.5 -56.9 180 17 295.4 295.4 279.3 295.5 0.03 35 329 7909 -57.1 -64.1 41 7.0 -57.2 180 23 296.9 296.9 280.0 297.0 0.02 36 300 8490 -58.9 -62.9 60 4.0 -58.9 215 19 302.3 302.3 282.4 302.4 0.03 37 293 8637 -58.9 -70.9 20 12.0 -59.0 218 19 304.4 304.4 283.1 304.4 0.01 38 291 8680 -59.1 -70.1 23 11.0 -59.2 220 19 304.7 304.7 283.3 304.7 0.01 39 280 8921 -58.3 -71.3 17 13.0 -58.4 218 18 309.2 309.2 285.0 309.2 0.01 40 273 9079 -58.9 -65.9 40 7.0 -59.0 205 16 310.6 310.6 285.5 310.7 0.02 41 266 9242 -58.3 -76.3 8 18.0 -58.5 200 14 313.8 313.8 286.6 313.8 0.00 42 255 9506 -58.7 -77.7 7 19.0 -58.8 205 13 317.0 317.0 287.8 317.0 0.00 43 250 9630 -57.7 -77.7 6 20.0 -57.9 215 13 320.3 320.3 288.8 320.3 0.00 44 228 10214 -55.1 -81.1 3 26.0 -55.4 243 11 332.8 332.8 292.4 332.8 0.00 45 214 10619 -54.9 -81.9 2 27.0 -55.2 225 8 339.2 339.2 294.1 339.2 0.00 46 205 10893 -55.9 -81.9 2 26.0 -56.1 213 10 341.8 341.8 294.7 341.8 0.00 47 200 11050 -55.3 -82.3 2 27.0 -55.6 265 8 345.2 345.2 295.6 345.2 0.00 48 185 11551 -54.1 -82.1 2 28.0 -54.4 286 12 354.9 354.9 297.7 354.9 0.00 49 169 12133 -55.3 -83.3 2 28.0 -55.6 311 12 362.2 362.2 299.1 362.2 0.00 50 160 12485 -53.7 -83.7 1 30.0 -54.1 326 9 370.6 370.6 300.7 370.7 0.00 51 150 12900 -55.1 -84.1 2 29.0 -55.5 325 13 375.1 375.1 301.5 375.1 0.00 52 139 13384 -56.1 -85.1 1 29.0 -56.5 316 14 381.6 381.6 302.5 381.7 0.00 53 122 14215 -54.3 -84.3 1 30.0 -54.8 328 19 399.4 399.4 305.1 399.4 0.00 54 107 15050 -56.1 -86.1 1 30.0 -56.5 335 21 411.3 411.3 306.7 411.3 0.00 55 100 15480 -55.9 -85.9 1 30.0 -56.4 340 25 419.7 419.7 307.7 419.7 0.00 56 70 17740 -56.7 -86.7 1 30.0 -57.3 345 35 463.1 463.1 312.0 463.1 0.00 57 50 19870 -58.3 -88.3 1 30.0 -59.0 355 51 506.1 506.1 315.4 506.1 0.00 58 46 20394 -58.3 -88.3 1 30.0 -59.0 354 49 518.3 518.3 316.2 518.3 0.00 59 30 23050 -63.5 -90.5 1 27.0 -64.1 345 51 571.5 571.5 319.2 571.5 0.00 60 28 23471 -64.3 -90.3 2 26.0 -64.9 350 51 580.7 580.7 319.7 580.7 0.00 61 20 25540 -61.1 -90.1 1 29.0 -62.3 335 50 649.1 649.2 322.6 649.2 0.01 62 18 26195 -60.7 -89.7 1 29.0 -62.0 353 52 670.3 670.3 323.4 670.3 0.01 63 15 27320 -63.9 -90.9 1 27.0 -65.0 336 58 695.5 695.5 324.3 695.6 0.01 64 11 29224 -63.1 -90.9 1 27.8 -64.7 340 74 762.8 762.8 326.3 762.9 0.01 65 10 29810 -62.9 -90.9 1 28.0 -64.6 350 62 784.8 784.8 326.8 784.8 0.01 66 9.9 29872 -62.9 -90.9 1 28.0 -64.6 348 65 787.0 787.0 326.9 787.1 0.01 67 8.3 30967 -59.1 -89.1 1 30.0 -62.0 842.7 842.7 328.2 842.8 0.02 68 7.8 31356 -59.5 -89.5 1 30.0 -62.4 856.2 856.2 328.5 856.3 0.02 TRP 300 8490 -58.9 -62.9 60 4.0 -58.9 215 19 302.3 302.3 282.4 302.4 0.03 WND 11 29224 -63.1 -90.9 1 27.8 -64.7 340 74 762.8 762.8 326.3 762.9 0.01 Sounding variables and indices 1000-500 mb thick: 5000.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 41.27 % Est. max temperature: -9.31 C = 15.25 F Sfc-Lift cond lev (LCL): 958.21 mb = 452.31 m = 1483.95 ft T: -22.90 C 700-500 lapse rate: 4.61 C/km ThetaE index: 0.00 C Layer 1012.0- -0.2 mb Conv cond level (CCL): 1005.00 mb = 102.45 m = 336.13 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -26.13 C = -15.03 F Cap Strength: 28.06 C Lifted Index: 28.50 C Risk: None Lifted Index @300 mb: 34.71 C Lifted Index @700 mb: 18.73 C Showalter Index: 19.10 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 15.60 C Cross Totals Index: 6.60 C K Index: -31.70 Risk: None Sweat Index: 38.00 Risk: None Energy Index: 5.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.96 J/kg Max Up Vert Vel: 8.60 m/s Conv Inhibition (B-): 79935.12 J/kg Cap Strength: 28.49 C Lift Cond Lev (LCL): 910.21 mb = 829.29 m = 2720.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 272 at 10 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 24 6.2 -23.2 | 8 23 -3.4 -22.9 1 1000 140 355 27 2.4 -26.9 | 15 28 -7.3 -26.6 2 978 305 345 24 6.2 -23.2 | 8 23 -3.4 -22.9 3 938 610 345 8 2.1 -7.7 | 45 11 -7.6 -7.4 4 925 711 340 8 2.7 -7.5 | 44 10 -6.9 -7.2 5 900 914 330 13 6.5 -11.3 | 16 11 -3.1 -11.0 6 863 1219 345 13 3.4 -12.6 | 27 14 -6.3 -12.3 7 850 1333 340 11 3.8 -10.3 | 30 12 -5.9 -10.1 8 828 1524 305 11 9.0 -6.3 | 6 6 -0.6 -6.0 9 794 1829 335 7 3.0 -6.3 | 48 9 -6.7 -6.1 10 762 2134 285 13 12.6 -3.4 | 316 4 2.9 -3.1 11 731 2438 280 7 6.9 -1.2 | 71 3 -2.7 -0.9 12 701 2743 250 7 6.6 2.4 | 131 4 -3.0 2.7 13 700 2754 240 7 6.1 3.5 | 137 5 -3.6 3.8 14 616 3658 200 14 4.8 13.2 | 160 14 -4.8 13.4 15 565 4267 190 14 2.4 13.8 | 153 16 -7.2 14.1 16 542 4572 195 18 4.7 17.4 | 164 18 -5.0 17.7 17 519 4877 185 19 1.7 18.9 | 157 21 -8.0 19.2 18 500 5140 185 16 1.4 15.9 | 153 18 -8.2 16.2 19 497 5182 175 15 -1.3 14.9 | 144 19 -10.9 15.2 20 475 5486 220 11 7.1 8.4 | 164 9 -2.6 8.7 21 454 5791 230 12 9.2 7.7 | 177 8 -0.4 8.0 22 434 6096 215 11 6.3 9.0 | 160 10 -3.3 9.3 23 400 6650 235 13 10.6 7.5 | 188 8 1.0 7.7 24 397 6706 240 10 8.7 5.0 | 170 5 -1.0 5.3 25 378 7010 235 14 11.5 8.0 | 192 9 1.8 8.3 26 360 7315 190 12 2.1 11.8 | 148 14 -7.5 12.1 27 344 7620 180 10 0.0 10.0 | 137 14 -9.6 10.3 28 328 7925 180 24 0.0 24.0 | 158 26 -9.6 24.3 29 300 8490 215 19 10.9 15.6 | 185 16 1.3 15.8 30 298 8534 215 19 10.9 15.6 | 185 16 1.3 15.8 31 284 8839 225 19 13.4 13.4 | 196 14 3.8 13.7 32 270 9144 200 15 5.1 14.1 | 163 15 -4.5 14.4 33 257 9449 200 13 4.4 12.2 | 157 14 -5.2 12.5 34 250 9630 215 13 7.5 10.6 | 169 11 -2.2 10.9 35 223 10363 250 11 10.3 3.8 | 190 4 0.7 4.0 36 212 10668 220 8 5.1 6.1 | 145 8 -4.5 6.4 37 202 10973 210 11 5.5 9.5 | 157 11 -4.1 9.8 38 200 11050 265 8 8.0 0.7 | 121 2 -1.7 1.0 39 176 11887 300 14 12.1 -7.0 | 340 7 2.5 -6.7 40 152 12802 340 7 2.4 -6.6 | 49 10 -7.2 -6.3 41 150 12900 325 13 7.5 -10.6 | 12 11 -2.2 -10.4 42 132 13716 310 14 10.7 -9.0 | 353 9 1.1 -8.7 43 126 14021 320 19 12.2 -14.6 | 350 15 2.6 -14.3 44 114 14630 345 20 5.2 -19.3 | 13 20 -4.5 -19.0 45 104 15240 330 22 11.0 -19.1 | 356 19 1.4 -18.8 46 100 15480 340 25 8.6 -23.5 | 3 23 -1.1 -23.2 47 99 15545 340 26 8.9 -24.4 | 2 24 -0.7 -24.1 48 94 15850 340 25 8.6 -23.5 | 3 23 -1.1 -23.2 49 90 16154 330 27 13.5 -23.4 | 350 23 3.9 -23.1 50 78 17069 350 29 5.0 -28.6 | 9 29 -4.6 -28.3 51 70 17740 345 35 9.1 -33.8 | 1 34 -0.6 -33.5 52 64 18288 350 33 5.7 -32.5 | 7 32 -3.9 -32.2 53 56 19202 330 48 24.0 -41.6 | 341 44 14.4 -41.3 54 50 19870 355 51 4.4 -50.8 | 6 51 -5.2 -50.5 55 48 20117 355 51 4.4 -50.8 | 6 51 -5.2 -50.5 56 40 21336 350 44 7.6 -43.3 | 3 43 -2.0 -43.0 57 38 21641 345 36 9.3 -34.8 | 1 34 -0.3 -34.5 58 34 22250 325 41 23.5 -33.6 | 337 36 13.9 -33.3 59 30 23050 345 51 13.2 -49.3 | 356 49 3.6 -49.0 60 29 23165 340 58 19.8 -54.5 | 349 55 10.2 -54.2 61 28 23470 350 51 8.9 -50.2 | 1 50 -0.8 -49.9 62 25 24079 340 43 14.7 -40.4 | 353 40 5.1 -40.1 63 22 24994 330 53 26.5 -45.9 | 340 49 16.9 -45.6 64 20 25540 335 50 21.1 -45.3 | 346 46 11.5 -45.0 65 20 25603 335 57 24.1 -51.7 | 344 53 14.5 -51.4 66 19 25908 330 54 27.0 -46.8 | 340 50 17.4 -46.5 67 18 26213 355 52 4.5 -51.8 | 6 52 -5.1 -51.5 68 16 26822 320 54 34.7 -41.4 | 329 48 25.1 -41.1 69 15 27432 340 59 20.2 -55.4 | 349 56 10.6 -55.2 70 14 27737 345 72 18.6 -69.5 | 353 70 9.0 -69.3 71 12 28651 335 51 21.6 -46.2 | 345 47 11.9 -45.9 72 11 29224 340 74 25.3 -69.5 | 347 71 15.7 -69.3 73 10 29810 350 62 10.8 -61.1 | 359 61 1.1 -60.8 74 10 29870 340 74 25.3 -69.5 | 347 71 15.7 -69.3 Wind Parameters Mean winds (0-6000m): 241.7 at 12.8 knts Storm direction: 271.7 at 9.6 knts Shear (0-3000m) pos: 0.0 neg: 5.1 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 148.4 deg Storm rel helicity (0-3000m) pos: 77.5 neg: -46.8 tot: 30.7 m^2/s^2 ave: 10.2 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 1.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.35 Bulk Shear: 104.21 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 ------------------------------------------------------------------------------- 500 348 22 14 21| 0.0 13.3 13.3| 45.2 -12.9 32.3 64.6 0.32| 23.1 7.4 1000 344 16 19 16| 0.0 5.8 5.8| 54.6 -27.2 27.4 27.4 0.16| 16.5 2.7 1500 341 15 20 14| 0.0 5.8 5.8| 60.2 -33.5 26.7 17.8 0.10| 14.2 1.4 2000 337 13 21 13| 0.0 4.7 4.7| 68.8 -43.5 25.3 12.6 0.05| 13.7 0.7 2500 329 13 17 11| 0.0 4.8 4.8| 72.2 -46.8 25.4 10.2 0.09| 13.1 1.2 3000 322 12 15 9| 0.0 5.1 5.1| 77.5 -46.8 30.7 10.2 0.14| 12.0 1.7 4000 296 12 347 5| 0.0 4.7 4.7| 79.2 -53.2 26.0 6.5 0.12| 10.1 1.2 5000 257 13 222 4| 0.4 3.8 4.2| 93.1 -71.7 21.4 4.3 0.10| 9.1 0.9 6000 242 13 195 7| 0.8 3.2 4.0|108.3 -84.0 24.3 4.1 0.09| 8.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251209.12.gif