UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 30 DEC 25 Station: CYRB WMO ident: 71924 Latitude: 74.70 Longitude: -94.97 Elevation: 46.00 ------------------------------------------------------------------------------- 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 1024 46 -35.1 -38.7 70 3.6 -35.3 25 11 236.4 236.5 236.4 236.8 0.13 1 1002 200 -33.9 -35.8 83 1.9 -34.0 344 17 239.1 239.1 239.0 239.6 0.18 2 1000 214 -33.5 -35.1 85 1.6 -33.6 340 18 239.6 239.7 239.6 240.2 0.19 3 998 228 -32.9 -34.2 88 1.3 -33.0 341 18 240.4 240.4 240.3 241.0 0.21 4 995 249 -29.9 -32.0 82 2.1 -30.0 342 18 243.6 243.6 243.5 244.3 0.26 5 986 314 -28.9 -30.1 89 1.2 -29.0 345 19 245.2 245.3 245.1 246.1 0.32 6 980 358 -27.7 -31.0 73 3.3 -27.9 347 18 246.9 246.9 246.5 247.7 0.29 7 976 387 -26.7 -28.7 83 2.0 -26.9 348 18 248.2 248.2 247.9 249.2 0.37 8 952 567 -25.1 -31.1 57 6.0 -25.6 354 16 251.6 251.6 250.7 252.4 0.30 9 945 621 -24.9 -30.9 57 6.0 -25.4 355 16 252.3 252.3 251.4 253.2 0.31 10 925 776 -25.7 -29.4 71 3.7 -26.1 350 12 253.0 253.1 252.1 254.0 0.36 11 885 1096 -26.1 -30.2 68 4.1 -26.5 352 13 255.8 255.9 254.5 256.8 0.35 12 861 1294 -27.5 -29.6 82 2.1 -27.7 352 13 256.4 256.5 255.0 257.5 0.38 13 850 1387 -27.3 -29.7 80 2.4 -27.5 355 13 257.5 257.6 256.0 258.6 0.38 14 844 1438 -27.5 -31.2 71 3.7 -27.8 356 14 257.9 257.9 256.1 258.8 0.33 15 833 1532 -27.9 -29.8 84 1.9 -28.0 357 15 258.4 258.5 256.7 259.5 0.39 16 819 1654 -28.1 -35.1 51 7.0 -28.6 358 16 259.5 259.5 257.2 260.1 0.24 17 806 1769 -28.5 -36.5 46 8.0 -29.0 359 17 260.2 260.2 257.8 260.8 0.21 18 792 1894 -29.1 -36.1 51 7.0 -29.6 1 18 260.9 260.9 258.3 261.5 0.22 19 783 1976 -29.3 -40.3 34 11.0 -30.0 2 17 261.5 261.5 258.6 262.0 0.15 20 741 2368 -30.5 -42.5 30 12.0 -31.2 9 20 264.4 264.4 260.8 264.7 0.12 21 710 2671 -32.1 -37.1 61 5.0 -32.4 10 19 265.9 265.9 262.1 266.5 0.22 22 700 2771 -32.9 -37.7 62 4.8 -33.2 10 20 266.1 266.1 262.3 266.7 0.21 23 672 3057 -33.9 -37.5 70 3.6 -34.1 13 21 268.1 268.1 263.7 268.7 0.23 24 622 3595 -35.9 -40.9 60 5.0 -36.2 19 24 271.8 271.8 266.2 272.3 0.17 25 587 3994 -38.5 -42.4 67 3.9 -38.7 20 23 273.3 273.3 267.2 273.8 0.16 26 568 4220 -39.5 -46.5 47 7.0 -39.8 20 22 274.7 274.7 268.0 275.0 0.10 27 535 4626 -42.1 -46.0 66 3.9 -42.2 29 27 276.3 276.3 269.1 276.7 0.12 28 507 4987 -44.5 -51.5 46 7.0 -44.7 22 27 277.7 277.7 269.8 277.9 0.07 29 500 5080 -45.1 -52.1 45 7.0 -45.3 20 28 278.1 278.1 270.1 278.3 0.06 30 474 5435 -47.7 -53.7 50 6.0 -47.9 16 29 279.1 279.1 270.7 279.3 0.05 31 455 5705 -48.7 -57.7 34 9.0 -48.8 18 30 281.1 281.1 271.9 281.3 0.03 32 448 5807 -48.1 -58.1 31 10.0 -48.3 18 30 283.1 283.2 273.1 283.3 0.03 33 417 6278 -49.7 -61.7 23 12.0 -49.9 23 33 287.0 287.0 275.1 287.0 0.02 34 400 6550 -50.9 -62.9 23 12.0 -51.1 20 33 288.8 288.8 276.1 288.9 0.02 35 377 6936 -51.9 -65.9 17 14.0 -52.1 20 30 292.4 292.5 277.9 292.5 0.01 36 347 7475 -51.3 -69.3 10 18.0 -51.5 24 30 300.3 300.3 281.5 300.3 0.01 37 314 8124 -52.7 -72.7 7 20.0 -52.9 36 30 307.0 307.0 284.2 307.1 0.01 38 310 8207 -51.5 -73.5 6 22.0 -51.8 34 30 309.8 309.8 285.2 309.9 0.01 39 303 8355 -52.1 -74.1 5 22.0 -52.4 31 31 311.0 311.0 285.7 311.0 0.01 40 300 8420 -51.5 -74.5 5 23.0 -51.8 30 32 312.8 312.8 286.3 312.8 0.01 41 264 9247 -50.3 -79.3 2 29.0 -50.7 25 24 326.2 326.2 290.6 326.2 0.00 42 250 9600 -50.9 -79.9 2 29.0 -51.2 40 25 330.4 330.4 291.8 330.4 0.00 43 235 10003 -52.5 -81.5 2 29.0 -52.8 40 22 333.9 333.9 292.7 333.9 0.00 44 215 10580 -51.5 -81.5 2 30.0 -51.9 19 21 344.0 344.0 295.3 344.0 0.00 45 200 11050 -52.7 -82.7 1 30.0 -53.1 15 23 349.3 349.3 296.5 349.3 0.00 46 195 11213 -53.5 -83.5 1 30.0 -53.8 18 23 350.6 350.6 296.8 350.6 0.00 47 186 11518 -52.1 -83.1 1 31.0 -52.5 24 24 357.6 357.6 298.2 357.6 0.00 48 156 12642 -57.1 -85.1 2 28.0 -57.4 17 28 367.6 367.6 300.1 367.6 0.00 49 150 12890 -57.3 -85.3 2 28.0 -57.6 15 29 371.4 371.4 300.8 371.4 0.00 50 141 13283 -54.7 -84.7 1 30.0 -55.1 16 27 382.5 382.5 302.6 382.5 0.00 51 114 14623 -60.3 -86.3 2 26.0 -60.6 20 17 396.1 396.1 304.7 396.1 0.00 52 106 15077 -59.5 -86.5 2 27.0 -59.8 352 28 405.9 405.9 306.0 406.0 0.00 53 100 15440 -60.9 -86.9 2 26.0 -61.2 360 31 410.1 410.1 306.5 410.1 0.00 54 97 15630 -60.5 -87.5 2 27.0 -60.8 1 31 414.4 414.4 307.0 414.4 0.00 55 70 17650 -64.5 -88.5 2 24.0 -64.7 355 36 446.4 446.4 310.5 446.4 0.00 56 58 18792 -67.5 -90.5 2 23.0 -67.7 5 39 464.3 464.3 312.1 464.3 0.00 57 50 19690 -65.9 -89.9 2 24.0 -66.2 5 47 488.2 488.2 314.1 488.2 0.00 58 49 19813 -65.9 -89.9 2 24.0 -66.2 5 48 491.0 491.0 314.3 491.0 0.00 59 38 21338 -70.7 -91.7 3 21.0 -70.9 5 47 515.8 515.8 316.0 515.8 0.00 60 30 22750 -67.5 -91.5 2 24.0 -67.9 355 68 560.6 560.6 318.7 560.6 0.00 61 25 23850 -66.3 -92.3 1 26.0 -66.8 1 82 594.1 594.1 320.3 594.1 0.00 62 21 24898 -68.9 -93.9 2 25.0 -69.3 3 76 616.6 616.6 321.3 616.6 0.00 63 20 25190 -68.5 -93.5 2 25.0 -68.9 5 84 626.5 626.5 321.7 626.5 0.00 64 19 25499 -66.9 -92.9 1 26.0 -67.5 360 79 640.7 640.7 322.3 640.7 0.00 65 14 27319 -72.5 -95.5 2 23.0 -72.9 360 105 680.2 680.2 323.8 680.2 0.00 66 13 27758 -68.7 -93.7 2 25.0 -69.4 360 115 707.9 707.9 324.7 708.0 0.00 67 12 28238 -68.6 -94.1 1 25.5 -69.4 360 127 724.7 724.7 325.2 724.7 0.00 68 11 28759 -68.5 -94.5 1 26.0 -69.3 360 127 743.3 743.3 325.7 743.3 0.00 TRP 377 6936 -51.9 -65.9 17 14.0 -52.1 20 30 292.4 292.5 277.9 292.5 0.01 WND 12 28238 -68.6 -94.1 1 25.5 -69.4 360 127 724.7 724.7 325.2 724.7 0.00 Sounding variables and indices 1000-500 mb thick: 4866.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 60.29 % Est. max temperature: -15.32 C = 4.43 F Sfc-Lift cond lev (LCL): 962.45 mb = 488.40 m = 1602.34 ft T: -25.80 C 700-500 lapse rate: 5.28 C/km ThetaE index: 0.00 C Layer 1024.0--5625199722685060801057783808.0 mb Conv cond level (CCL): 1002.00 mb = 199.81 m = 655.52 ft Mean mixing ratio: 0.28 g/kg Conv temperature: -29.74 C = -21.53 F Cap Strength: 24.91 C Lifted Index: 25.13 C Risk: None Lifted Index @300 mb: 46.33 C Lifted Index @700 mb: 17.00 C Showalter Index: 15.99 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 15.40 C K Index: -16.70 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 75.13 J/kg Max Up Vert Vel: 12.26 m/s Conv Inhibition (B-): 72218.78 J/kg Cap Strength: 25.04 C Lift Cond Lev (LCL): 923.02 mb = 791.50 m = 2596.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 43 at 16 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 1024 46 25 11 -4.6 -10.0 | 254 6 6.2 1.8 1 1000 214 340 18 6.2 -16.9 | 287 18 17.0 -5.1 2 987 305 345 19 4.9 -18.4 | 293 17 15.7 -6.6 3 947 610 355 16 1.4 -15.9 | 289 13 12.2 -4.2 4 925 776 350 12 2.1 -11.8 | 270 13 12.9 -0.0 5 907 914 355 14 1.2 -13.9 | 280 12 12.0 -2.2 6 870 1219 350 13 2.3 -12.8 | 274 13 13.1 -1.0 7 850 1387 355 13 1.1 -13.0 | 276 12 11.9 -1.2 8 799 1829 360 18 -0.0 -18.0 | 300 12 10.8 -6.2 9 765 2134 5 16 -1.4 -15.9 | 294 10 9.4 -4.2 10 733 2438 10 21 -3.6 -20.7 | 321 11 7.2 -8.9 11 703 2743 10 18 -3.1 -17.7 | 308 10 7.7 -6.0 12 700 2771 10 20 -3.5 -19.7 | 317 11 7.3 -7.9 13 615 3658 20 24 -8.2 -22.6 | 346 11 2.6 -10.8 14 563 4267 20 22 -7.5 -20.7 | 340 9 3.3 -8.9 15 538 4572 30 27 -13.5 -23.4 | 13 12 -2.7 -11.6 16 515 4877 25 26 -11.0 -23.6 | 1 12 -0.2 -11.8 17 500 5080 20 28 -9.6 -26.3 | 355 15 1.2 -14.5 18 492 5182 15 29 -7.5 -28.0 | 349 17 3.3 -16.2 19 429 6096 20 30 -10.3 -28.2 | 358 16 0.5 -16.4 20 409 6401 25 35 -14.8 -31.7 | 11 20 -4.0 -19.9 21 400 6550 20 33 -11.3 -31.0 | 1 19 -0.5 -19.2 22 377 6936 20 30 -10.3 -28.2 | 358 16 0.5 -16.4 23 339 7620 25 30 -12.7 -27.2 | 7 16 -1.9 -15.4 24 324 7925 40 28 -18.0 -21.4 | 37 12 -7.2 -9.7 25 300 8420 30 32 -16.0 -27.7 | 18 17 -5.2 -15.9 26 281 8839 20 29 -9.9 -27.3 | 357 16 0.9 -15.5 27 268 9144 25 26 -11.0 -23.6 | 1 12 -0.2 -11.8 28 256 9449 25 21 -8.9 -19.0 | 345 8 1.9 -7.3 29 250 9600 40 25 -16.1 -19.2 | 36 9 -5.3 -7.4 30 244 9754 40 24 -15.4 -18.4 | 35 8 -4.6 -6.6 31 222 10363 40 20 -12.9 -15.3 | 30 4 -2.1 -3.5 32 212 10668 10 21 -3.6 -20.7 | 321 11 7.2 -8.9 33 200 11050 15 23 -6.0 -22.2 | 335 12 4.9 -10.4 34 184 11582 25 24 -10.1 -21.8 | 356 10 0.7 -10.0 35 150 12890 15 29 -7.5 -28.0 | 349 17 3.3 -16.2 36 145 13106 25 28 -11.8 -25.4 | 4 14 -1.0 -13.6 37 132 13716 355 26 2.3 -25.9 | 317 19 13.1 -14.1 38 119 14326 30 19 -9.5 -16.5 | 344 5 1.3 -4.7 39 114 14630 20 17 -5.8 -16.0 | 310 7 5.0 -4.2 40 108 14935 350 26 4.5 -25.6 | 312 21 15.3 -13.8 41 103 15240 355 31 2.7 -30.9 | 325 23 13.5 -19.1 42 100 15440 360 31 -0.0 -31.0 | 331 22 10.8 -19.2 43 98 15545 360 31 -0.0 -31.0 | 331 22 10.8 -19.2 44 85 16459 15 28 -7.2 -27.0 | 347 16 3.6 -15.3 45 81 16764 5 26 -2.3 -25.9 | 329 17 8.5 -14.1 46 73 17374 355 41 3.6 -40.8 | 334 32 14.4 -29.1 47 70 17650 355 36 3.1 -35.9 | 330 28 13.9 -24.1 48 70 17678 5 30 -2.6 -29.9 | 336 20 8.2 -18.1 49 50 19690 5 47 -4.1 -46.8 | 349 36 6.7 -35.0 50 42 20726 5 58 -5.1 -57.8 | 353 46 5.8 -46.0 51 40 21031 15 46 -11.9 -44.4 | 2 33 -1.1 -32.7 52 38 21336 5 47 -4.1 -46.8 | 349 36 6.7 -35.0 53 31 22555 350 58 10.1 -57.1 | 335 50 20.9 -45.3 54 30 22750 355 68 5.9 -67.7 | 343 58 16.7 -56.0 55 27 23470 355 69 6.0 -68.7 | 344 59 16.8 -57.0 56 25 23774 360 84 -0.0 -84.0 | 351 73 10.8 -72.2 57 22 24689 10 65 -11.3 -64.0 | 1 52 -0.5 -52.2 58 21 24994 360 81 -0.0 -81.0 | 351 70 10.8 -69.2 59 20 25190 5 84 -7.3 -83.7 | 357 72 3.5 -71.9 60 20 25298 360 72 -0.0 -72.0 | 350 61 10.8 -60.2 61 18 25908 360 94 -0.0 -94.0 | 353 83 10.8 -82.2 62 17 26213 360 87 -0.0 -87.0 | 352 76 10.8 -75.2 63 14 27432 360 107 -0.0 -107.0 | 354 96 10.8 -95.2 64 12 28238 360 127 -0.0 -127.0 | 355 116 10.8 -115.2 65 9 28651 360 127 -0.0 -127.0 | 355 116 10.8 -115.2 66 7 28956 355 105 9.2 -104.6 | 348 95 20.0 -92.8 67 6 29261 355 110 9.6 -109.6 | 348 100 20.4 -97.8 Wind Parameters Mean winds (0-6000m): 12.5 at 21.3 knts Storm direction: 42.5 at 16.0 knts Shear (0-3000m) pos: 1.7 neg: 1.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 72.4 deg Storm rel helicity (0-3000m) pos: 61.6 neg: -27.9 tot: 33.7 m^2/s^2 ave: 11.2 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 7.43 Bulk Shear: 10.11 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 ------------------------------------------------------------------------------- 500 350 17 289 15| 0.0 9.6 9.6| 17.8 -2.4 15.4 30.8 0.36| 18.1 6.5 1000 351 15 285 14| 0.0 3.7 3.7| 22.2 -16.7 5.5 5.5 0.14| 12.1 1.8 1500 352 15 282 13| 0.5 2.5 3.0| 28.8 -18.9 9.8 6.6 0.18| 9.3 1.6 2000 354 15 285 13| 1.1 1.9 2.9| 39.2 -21.2 18.0 9.0 0.23| 8.2 1.9 2500 357 16 290 12| 1.7 1.5 3.1| 52.9 -23.9 29.0 11.6 0.29| 7.9 2.3 3000 0 17 294 12| 1.7 1.2 2.9| 61.6 -27.9 33.7 11.2 0.30| 7.5 2.2 4000 6 18 305 11| 1.6 0.9 2.5| 72.5 -29.8 42.7 10.7 0.33| 6.2 2.1 5000 11 20 317 10| 1.8 1.2 3.0| 87.7 -40.8 46.8 9.4 0.30| 6.2 1.9 6000 13 21 326 11| 1.6 1.2 2.8| 98.2 -48.2 50.0 8.3 0.29| 5.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251230.12.gif