UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for CYBK... Searching the city database file for: CYBK ... Date:1200Z 7 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 1010 51 -28.9 -31.9 75 3.0 -29.1 310 16 243.6 243.6 243.4 244.3 0.26 1 1000 126 -28.7 -32.4 70 3.7 -28.9 315 22 244.4 244.5 244.2 245.1 0.25 2 972 329 -28.5 -31.8 73 3.3 -28.7 325 23 246.6 246.7 246.3 247.4 0.27 3 963 396 -25.5 -27.8 81 2.3 -25.7 325 24 250.3 250.4 249.8 251.4 0.40 4 959 427 -24.3 -27.5 75 3.2 -24.6 325 24 251.8 251.9 251.2 253.0 0.42 5 943 550 -22.5 -25.9 74 3.4 -22.9 325 25 254.9 255.0 254.0 256.2 0.49 6 925 691 -22.3 -24.9 79 2.6 -22.6 330 25 256.5 256.6 255.5 258.0 0.55 7 880 1058 -21.1 -26.1 64 5.0 -21.7 322 28 261.4 261.5 259.4 262.9 0.52 8 852 1297 -21.9 -28.9 53 7.0 -22.7 325 29 263.0 263.1 260.4 264.2 0.41 9 850 1314 -21.9 -27.9 58 6.0 -22.6 325 28 263.2 263.3 260.6 264.5 0.45 10 834 1454 -22.7 -26.9 69 4.2 -23.2 324 29 263.8 263.9 261.2 265.2 0.51 11 747 2255 -26.9 -31.9 63 5.0 -27.4 316 32 267.7 267.7 263.7 268.7 0.35 12 742 2303 -26.9 -34.9 47 8.0 -27.6 315 32 268.2 268.2 263.9 269.0 0.27 13 719 2530 -28.7 -32.2 72 3.5 -29.0 312 32 268.6 268.7 264.4 269.7 0.36 14 700 2721 -29.9 -34.6 64 4.7 -30.3 315 33 269.4 269.4 264.8 270.2 0.29 15 675 2979 -31.1 -37.1 56 6.0 -31.5 313 32 270.8 270.9 265.7 271.6 0.23 16 656 3181 -32.7 -36.8 67 4.1 -33.0 312 32 271.3 271.3 266.0 272.0 0.25 17 500 5040 -45.7 -50.0 62 4.3 -45.8 300 26 277.3 277.3 269.7 277.6 0.08 18 457 5631 -50.5 -54.9 60 4.4 -50.6 306 23 278.5 278.5 270.4 278.7 0.05 19 419 6193 -53.3 -58.3 54 5.0 -53.4 310 24 282.0 282.0 272.3 282.1 0.03 20 400 6490 -55.1 -59.5 58 4.4 -55.2 320 27 283.4 283.4 273.2 283.5 0.03 21 395 6570 -55.7 -59.5 62 3.8 -55.8 319 27 283.6 283.6 273.3 283.7 0.03 22 386 6717 -56.3 -59.2 70 2.9 -56.3 317 27 284.7 284.7 273.9 284.8 0.03 23 360 7158 -58.1 -62.5 57 4.4 -58.2 310 27 288.0 288.0 275.7 288.1 0.02 24 351 7317 -57.9 -65.9 35 8.0 -58.0 305 26 290.4 290.4 276.9 290.4 0.02 25 326 7782 -58.5 -66.5 35 8.0 -58.6 311 29 295.8 295.8 279.4 295.8 0.02 26 309 8121 -56.7 -70.7 16 14.0 -56.8 314 28 302.9 302.9 282.5 302.9 0.01 27 305 8204 -53.7 -72.7 8 19.0 -53.9 315 28 308.2 308.2 284.7 308.2 0.01 28 301 8289 -53.7 -72.7 8 19.0 -53.9 322 21 309.4 309.4 285.1 309.4 0.01 29 300 8310 -53.7 -73.7 7 20.0 -53.9 325 19 309.7 309.7 285.2 309.7 0.01 30 280 8752 -55.3 -74.3 8 19.0 -55.5 335 16 313.5 313.5 286.6 313.5 0.01 31 258 9278 -53.3 -77.3 4 24.0 -53.5 306 13 323.9 323.9 289.9 323.9 0.00 32 250 9480 -54.5 -78.5 4 24.0 -54.7 315 14 325.0 325.0 290.3 325.1 0.00 33 248 9531 -54.7 -78.7 4 24.0 -54.9 315 16 325.5 325.5 290.4 325.5 0.00 34 224 10187 -51.5 -79.5 2 28.0 -51.9 313 17 340.0 340.0 294.3 340.0 0.00 35 200 10920 -53.3 -81.3 2 28.0 -53.7 315 12 348.4 348.4 296.3 348.4 0.00 36 195 11083 -53.9 -80.9 2 27.0 -54.2 316 11 349.9 349.9 296.6 349.9 0.00 37 185 11422 -53.3 -81.3 2 28.0 -53.7 317 13 356.2 356.2 298.0 356.2 0.00 38 177 11710 -49.5 -80.5 1 31.0 -50.1 319 14 367.0 367.0 300.0 367.0 0.00 39 158 12447 -54.7 -82.7 2 28.0 -55.1 320 13 370.3 370.3 300.6 370.3 0.00 40 150 12780 -54.5 -82.5 2 28.0 -54.9 330 8 376.2 376.2 301.6 376.2 0.00 41 134 13505 -52.1 -82.1 2 30.0 -52.7 355 12 392.8 392.8 304.2 392.8 0.00 42 115 14486 -55.1 -84.1 2 29.0 -55.6 309 15 404.8 404.8 305.9 404.8 0.00 43 100 15380 -53.5 -83.5 1 30.0 -54.1 240 4 424.4 424.4 308.2 424.4 0.00 44 81 16735 -55.3 -84.3 2 29.0 -55.9 306 10 447.0 447.0 310.6 447.0 0.00 45 70 17670 -54.7 -84.7 1 30.0 -55.5 310 19 467.4 467.4 312.4 467.4 0.00 46 58 18874 -53.1 -84.1 1 31.0 -54.2 281 19 496.8 496.8 314.7 496.8 0.01 47 50 19840 -47.9 -81.9 1 34.0 -50.0 275 32 530.6 530.6 316.9 530.6 0.01 48 38 21642 -49.7 -82.7 1 33.0 -51.9 305 38 569.3 569.3 319.1 569.4 0.01 49 33 22570 -47.1 -82.1 1 35.0 -50.2 310 26 599.7 599.7 320.6 599.8 0.01 50 30 23200 -47.9 -81.9 1 34.0 -51.0 285 41 614.1 614.1 321.2 614.2 0.02 51 27 23893 -49.5 -82.5 1 33.0 -52.4 284 36 628.3 628.4 321.9 628.5 0.02 52 21 25555 -45.5 -81.5 1 36.0 -50.3 299 57 687.2 687.3 324.0 687.4 0.02 53 20 25880 -45.9 -81.9 1 36.0 -50.7 290 54 695.7 695.7 324.3 695.9 0.02 54 16 27366 -43.9 -80.9 1 37.0 -50.3 308 56 748.1 748.1 325.9 748.4 0.04 55 16 27366 -40.5 -79.5 1 39.0 -48.4 308 56 759.1 759.2 326.2 759.5 0.05 56 10 30480 -52.3 -85.3 1 33.0 -56.9 280 71 824.3 824.3 327.8 824.6 0.03 57 10 30480 -51.7 -84.7 1 33.0 -56.5 280 71 826.6 826.6 327.9 826.8 0.03 58 8.0 31897 -60.9 -88.9 1 28.0 -63.4 844.4 844.4 328.2 844.6 0.02 59 6.4 33301 -55.9 -86.9 1 31.0 -60.5 921.3 921.3 329.8 921.6 0.03 60 6.0 33709 -58.4 -87.9 1 29.5 -62.3 305 76 927.6 927.6 329.9 927.9 0.03 61 5.4 34366 -62.5 -89.5 1 27.0 -65.4 937.8 937.8 330.1 938.0 0.02 TRP 360 7158 -58.1 -62.5 57 4.4 -58.2 310 27 288.0 288.0 275.7 288.1 0.02 WND 6.0 33709 -58.4 -87.9 1 29.5 -62.3 305 76 927.6 927.6 329.9 927.9 0.03 Sounding variables and indices 1000-500 mb thick: 4914.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 65.35 % Est. max temperature: -9.84 C = 14.30 F Sfc-Lift cond lev (LCL): 960.11 mb = 418.15 m = 1371.85 ft T: -24.63 C 700-500 lapse rate: 6.81 C/km ThetaE index: 0.00 C Layer 1010.0- 0.0 mb Conv cond level (CCL): 1000.00 mb = 126.00 m = 413.38 ft Mean mixing ratio: 0.40 g/kg Conv temperature: -26.87 C = -16.36 F Cap Strength: 17.26 C Lifted Index: 20.84 C Risk: None Lifted Index @300 mb: 40.91 C Lifted Index @700 mb: 15.96 C Showalter Index: 10.59 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 17.80 C K Index: -8.80 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.17 J/kg Max Up Vert Vel: 11.85 m/s Conv Inhibition (B-): 100704.95 J/kg Cap Strength: 20.70 C Lift Cond Lev (LCL): 915.89 mb = 763.93 m = 2506.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 21 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 1010 51 310 16 12.3 -10.3 | 213 11 6.1 9.4 1 1000 126 315 22 15.6 -15.6 | 246 10 9.4 4.1 2 976 305 325 23 13.2 -18.8 | 263 7 7.0 0.9 3 935 610 325 25 14.3 -20.5 | 275 8 8.2 -0.8 4 925 691 330 25 12.5 -21.7 | 287 7 6.3 -2.0 5 897 914 320 25 16.1 -19.2 | 267 10 9.9 0.5 6 861 1219 325 31 17.8 -25.4 | 296 13 11.6 -5.7 7 850 1314 325 28 16.1 -22.9 | 288 10 9.9 -3.2 8 792 1829 320 31 19.9 -23.7 | 286 14 13.8 -4.1 9 759 2134 320 32 20.6 -24.5 | 288 15 14.4 -4.8 10 728 2438 310 32 24.5 -20.6 | 273 18 18.4 -0.9 11 700 2721 315 33 23.3 -23.3 | 282 18 17.2 -3.6 12 698 2743 315 33 23.3 -23.3 | 282 18 17.2 -3.6 13 639 3353 310 31 23.7 -19.9 | 271 18 17.6 -0.2 14 611 3658 305 32 26.2 -18.4 | 266 20 20.1 1.3 15 559 4267 305 25 20.5 -14.3 | 249 15 14.3 5.4 16 535 4572 310 24 18.4 -15.4 | 251 13 12.2 4.3 17 512 4877 305 24 19.7 -13.8 | 246 15 13.5 5.9 18 500 5040 300 26 22.5 -13.0 | 248 18 16.4 6.7 19 489 5182 295 25 22.7 -10.6 | 241 19 16.5 9.1 20 445 5791 310 22 16.9 -14.1 | 243 12 10.7 5.6 21 425 6096 305 24 19.7 -13.8 | 246 15 13.5 5.9 22 406 6401 320 25 16.1 -19.2 | 267 10 9.9 0.5 23 400 6490 320 27 17.4 -20.7 | 275 11 11.2 -1.0 24 360 7158 310 27 20.7 -17.4 | 261 15 14.5 2.3 25 351 7315 305 26 21.3 -14.9 | 252 16 15.1 4.8 26 335 7620 310 29 22.2 -18.6 | 266 16 16.1 1.1 27 304 8230 315 28 19.8 -19.8 | 270 14 13.6 -0.1 28 300 8310 325 19 10.9 -15.6 | 229 6 4.7 4.1 29 290 8534 335 14 5.9 -12.7 | 178 7 -0.2 7.0 30 276 8839 335 17 7.2 -15.4 | 193 4 1.0 4.3 31 263 9144 300 13 11.3 -6.5 | 201 14 5.1 13.2 32 250 9480 315 14 9.9 -9.9 | 201 10 3.7 9.8 33 240 9754 315 22 15.6 -15.6 | 246 10 9.4 4.1 34 229 10058 300 18 15.6 -9.0 | 221 14 9.4 10.7 35 208 10668 360 13 -0.0 -13.0 | 137 9 -6.2 6.7 36 200 10920 315 12 8.5 -8.5 | 192 11 2.3 11.2 37 198 10973 320 10 6.4 -7.7 | 181 12 0.3 12.0 38 189 11278 310 12 9.2 -7.7 | 194 12 3.0 12.0 39 181 11582 325 15 8.6 -12.3 | 198 8 2.4 7.4 40 164 12192 295 10 9.1 -4.2 | 191 16 2.9 15.5 41 157 12497 325 14 8.0 -11.5 | 193 8 1.9 8.2 42 150 12780 330 8 4.0 -6.9 | 170 13 -2.2 12.8 43 149 12802 335 11 4.6 -10.0 | 171 10 -1.5 9.7 44 143 13106 320 11 7.1 -8.4 | 185 11 0.9 11.3 45 136 13411 355 13 1.1 -13.0 | 143 8 -5.0 6.7 46 130 13716 355 11 1.0 -11.0 | 149 10 -5.2 8.7 47 124 14021 305 17 13.9 -9.8 | 218 13 7.8 9.9 48 102 15240 315 12 8.5 -8.5 | 192 11 2.3 11.2 49 100 15380 240 4 3.5 2.0 | 173 22 -2.7 21.7 50 97 15545 240 4 3.5 2.0 | 173 22 -2.7 21.7 51 89 16154 350 13 2.3 -12.8 | 151 8 -3.9 6.9 52 85 16459 310 11 8.4 -7.1 | 190 13 2.3 12.6 53 81 16764 305 10 8.2 -5.7 | 188 14 2.0 14.0 54 77 17069 285 12 11.6 -3.1 | 198 17 5.4 16.6 55 73 17374 265 10 10.0 0.9 | 190 21 3.8 20.6 56 70 17670 310 19 14.6 -12.2 | 228 11 8.4 7.5 57 70 17678 305 25 20.5 -14.3 | 249 15 14.3 5.4 58 67 17983 310 16 12.3 -10.3 | 213 11 6.1 9.4 59 64 18288 255 10 9.7 2.6 | 189 23 3.5 22.3 60 61 18593 295 16 14.5 -6.8 | 213 15 8.3 12.9 61 58 18898 280 19 18.7 -3.3 | 217 21 12.6 16.4 62 53 19507 255 13 12.6 3.4 | 196 24 6.4 23.1 63 50 19812 300 18 15.6 -9.0 | 221 14 9.4 10.7 64 50 19840 275 32 31.9 -2.8 | 237 31 25.7 16.9 65 48 20117 280 36 35.5 -6.3 | 245 32 29.3 13.4 66 42 21031 295 23 20.8 -9.7 | 236 18 14.7 10.0 67 40 21336 290 35 32.9 -12.0 | 254 28 26.7 7.7 68 36 21946 320 40 25.7 -30.6 | 299 22 19.6 -10.9 69 33 22555 310 26 19.9 -16.7 | 258 14 13.8 3.0 70 32 22860 310 29 22.2 -18.6 | 266 16 16.1 1.1 71 30 23200 285 41 39.6 -10.6 | 255 35 33.4 9.1 72 29 23470 285 41 39.6 -10.6 | 255 35 33.4 9.1 73 28 23774 280 37 36.4 -6.4 | 246 33 30.3 13.3 74 25 24384 300 33 28.6 -16.5 | 262 23 22.4 3.2 75 24 24689 280 49 48.3 -8.5 | 255 44 42.1 11.2 76 21 25603 300 57 49.4 -28.5 | 282 44 43.2 -8.8 77 20 25880 290 54 50.7 -18.5 | 268 45 44.6 1.2 78 19 26213 300 51 44.2 -25.5 | 279 38 38.0 -5.8 79 18 26518 285 57 55.1 -14.8 | 264 49 48.9 4.9 80 16 27432 310 56 42.9 -36.0 | 294 40 36.7 -16.3 81 15 27737 290 58 54.5 -19.8 | 270 48 48.3 -0.1 82 13 28651 305 68 55.7 -39.0 | 291 53 49.5 -19.3 83 11 29566 285 72 69.5 -18.6 | 269 63 63.4 1.1 84 10 30480 280 71 69.9 -12.3 | 263 64 63.8 7.4 Wind Parameters Mean winds (0-6000m): 312.6 at 27.5 knts Storm direction: 342.6 at 20.6 knts Shear (0-3000m) pos: 2.0 neg: 1.6 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 63.3 deg Storm rel helicity (0-3000m) pos: 53.9 neg: -34.6 tot: 19.2 m^2/s^2 ave: 6.4 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 1.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 13.40 Bulk Shear: 5.24 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 23 256 8| 10.3 0.0 10.3| 24.4 0.0 24.4 48.7 0.87| 11.9 10.3 1000 323 24 266 8| 5.2 1.7 6.9| 31.8 -3.1 28.7 28.7 0.64| 9.3 5.9 1500 323 26 276 9| 4.0 1.1 5.1| 39.6 -6.8 32.7 21.8 0.53| 8.3 4.4 2000 323 27 280 10| 3.0 1.6 4.6| 40.9 -7.6 33.3 16.7 0.48| 7.0 3.3 2500 321 28 280 12| 2.4 1.9 4.3| 45.8 -26.7 19.1 7.6 0.29| 6.9 2.0 3000 320 29 280 13| 2.0 1.6 3.5| 53.9 -34.6 19.2 6.4 0.26| 6.4 1.7 4000 316 29 276 14| 1.5 1.3 2.8| 53.9 -65.0 -11.1 -2.8 0.07| 5.9 0.4 5000 314 28 271 14| 1.1 1.5 2.6| 55.2 -76.4 -21.2 -4.2 0.02| 5.7 0.1 6000 313 28 266 14| 1.1 1.3 2.4| 59.4 -85.2 -25.8 -4.3 0.00| 5.6 0.0 Wrote GIF file: /home/apache/climate/data/raob//CYBK/skewt/CYBK.skewt.20251207.12.gif