UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 21 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 ------------------------------------------------------------------------------- 0 1000 -66 SFC 984 46 -31.1 -34.2 74 3.1 -31.3 310 14 243.2 243.2 242.9 243.8 0.21 2 946 329 -31.1 -33.3 81 2.2 -31.2 333 26 245.9 246.0 245.5 246.6 0.24 3 939 382 -30.1 -31.7 86 1.6 -30.2 341 26 247.5 247.5 247.0 248.2 0.29 4 930 452 -24.5 -28.8 67 4.3 -24.9 350 25 253.9 253.9 252.9 254.9 0.38 5 927 476 -24.7 -29.0 67 4.3 -25.1 353 25 253.9 254.0 252.9 254.9 0.37 6 925 492 -24.5 -28.8 67 4.3 -24.9 355 25 254.3 254.3 253.2 255.3 0.38 7 917 556 -19.5 -25.5 59 6.0 -20.3 344 22 260.0 260.1 258.3 261.5 0.52 8 907 638 -17.9 -25.9 50 8.0 -19.0 334 18 262.5 262.6 260.2 263.9 0.51 9 906 646 -17.7 -25.7 50 8.0 -18.8 334 18 262.8 262.8 260.4 264.2 0.52 10 889 788 -17.3 -22.3 65 5.0 -18.1 329 15 264.6 264.7 262.2 266.6 0.72 11 870 950 -16.5 -28.5 35 12.0 -18.1 327 13 267.1 267.1 263.4 268.3 0.42 12 850 1124 -17.7 -23.7 59 6.0 -18.6 335 14 267.6 267.7 264.3 269.5 0.66 13 846 1159 -17.9 -21.9 71 4.0 -18.6 337 15 267.8 267.9 264.6 270.0 0.78 14 832 1284 -16.7 -18.9 83 2.2 -17.1 341 17 270.3 270.5 266.8 273.2 1.03 15 804 1541 -18.7 -18.7 100 0.0 -18.7 345 16 270.8 271.0 267.3 273.9 1.09 16 778 1785 -20.9 -21.1 98 0.2 -21.0 349 16 271.0 271.2 267.1 273.6 0.91 17 749 2066 -21.1 -24.1 77 3.0 -21.5 327 14 273.8 273.9 268.6 275.9 0.73 18 746 2095 -21.1 -28.1 53 7.0 -22.0 324 14 274.1 274.2 268.4 275.6 0.51 19 742 2135 -21.3 -29.3 49 8.0 -22.3 320 14 274.3 274.4 268.4 275.7 0.46 20 738 2175 -21.1 -31.1 40 10.0 -22.3 318 14 274.9 275.0 268.7 276.1 0.39 21 732 2235 -20.7 -27.7 53 7.0 -21.7 315 14 276.0 276.1 269.7 277.6 0.54 22 700 2565 -22.3 -27.3 64 5.0 -23.0 325 14 277.8 277.9 270.9 279.5 0.58 23 629 3341 -28.7 -28.8 99 0.1 -28.7 350 15 279.1 279.2 271.6 280.8 0.56 24 618 3467 -29.5 -30.4 92 0.9 -29.6 353 20 279.6 279.7 271.8 281.1 0.49 25 616 3491 -29.1 -32.6 72 3.5 -29.5 354 21 280.3 280.4 272.1 281.6 0.40 26 606 3608 -29.3 -35.3 56 6.0 -29.9 358 26 281.4 281.5 272.5 282.4 0.31 27 600 3679 -28.7 -40.7 31 12.0 -29.6 0 29 282.9 282.9 273.2 283.5 0.18 28 599 3691 -28.3 -39.3 34 11.0 -29.2 0 29 283.5 283.5 273.6 284.2 0.21 29 590 3799 -29.1 -34.1 62 5.0 -29.6 1 28 283.8 283.9 274.0 284.9 0.36 30 558 4195 -32.5 -39.5 50 7.0 -33.0 4 26 284.3 284.4 274.0 285.1 0.22 31 545 4361 -33.9 -38.9 61 5.0 -34.3 4 24 284.6 284.6 274.2 285.4 0.24 32 537 4465 -34.5 -42.5 44 8.0 -35.0 2 22 285.1 285.1 274.3 285.7 0.17 33 512 4796 -37.1 -40.5 71 3.4 -37.3 360 21 285.9 285.9 274.9 286.6 0.22 34 502 4932 -37.7 -44.7 48 7.0 -38.1 3 25 286.7 286.8 275.2 287.2 0.14 35 500 4960 -37.9 -47.9 34 10.0 -38.4 5 26 286.8 286.8 275.2 287.2 0.10 36 498 4988 -37.9 -50.9 24 13.0 -38.4 6 26 287.2 287.2 275.3 287.4 0.07 37 487 5141 -38.7 -54.7 17 16.0 -39.2 13 28 288.0 288.0 275.7 288.2 0.05 38 453 5635 -41.9 -61.9 10 20.0 -42.4 13 32 290.0 290.0 276.7 290.1 0.02 39 400 6470 -46.7 -60.7 19 14.0 -47.0 10 35 294.3 294.3 278.8 294.4 0.03 40 386 6705 -48.1 -65.1 12 17.0 -48.4 8 32 295.5 295.5 279.3 295.5 0.02 41 350 7343 -51.3 -62.3 26 11.0 -51.5 16 26 299.5 299.5 281.2 299.6 0.03 42 300 8330 -55.9 -68.9 18 13.0 -56.1 20 25 306.6 306.6 284.0 306.6 0.01 43 294 8459 -56.9 -68.9 21 12.0 -57.0 25 25 306.9 306.9 284.2 307.0 0.01 44 276 8859 -57.5 -70.5 18 13.0 -57.6 22 31 311.6 311.6 285.9 311.7 0.01 45 259 9264 -55.1 -77.1 5 22.0 -55.3 26 33 320.9 320.9 289.0 320.9 0.00 46 250 9490 -55.3 -79.3 4 24.0 -55.5 40 26 323.9 323.9 289.9 323.9 0.00 47 220 10303 -56.7 -80.7 3 24.0 -56.9 43 28 333.8 333.8 292.7 333.8 0.00 48 212 10537 -56.3 -80.3 3 24.0 -56.5 51 27 337.9 337.9 293.8 337.9 0.00 49 208 10659 -54.1 -80.1 3 26.0 -54.4 55 26 343.2 343.2 295.1 343.2 0.00 50 200 10910 -54.9 -79.9 3 25.0 -55.2 35 24 345.8 345.8 295.7 345.8 0.00 51 186 11371 -57.1 -81.1 3 24.0 -57.3 34 23 349.5 349.5 296.5 349.5 0.00 52 180 11579 -55.9 -81.9 2 26.0 -56.2 54 24 354.8 354.8 297.7 354.8 0.00 53 150 12730 -58.7 -83.7 3 25.0 -58.9 65 22 368.9 368.9 300.4 369.0 0.00 54 148 12814 -59.3 -83.3 3 24.0 -59.5 56 27 369.3 369.3 300.4 369.3 0.00 55 136 13344 -58.3 -84.3 2 26.0 -58.6 55 20 380.1 380.1 302.3 380.1 0.00 56 120 14123 -61.9 -85.9 3 24.0 -62.1 46 21 387.4 387.4 303.4 387.4 0.00 57 112 14551 -60.9 -85.9 2 25.0 -61.2 44 19 397.0 397.0 304.8 397.0 0.00 58 100 15250 -63.3 -86.3 3 23.0 -63.5 65 16 405.4 405.4 305.9 405.4 0.00 59 96 15501 -64.3 -87.3 3 23.0 -64.5 65 16 408.2 408.2 306.3 408.2 0.00 60 85 16249 -62.7 -86.7 3 24.0 -63.0 24 18 425.9 425.9 308.4 425.9 0.00 61 72 17260 -67.9 -88.9 3 21.0 -68.1 41 14 435.6 435.6 309.4 435.6 0.00 62 70 17430 -67.3 -88.3 4 21.0 -67.5 60 14 440.4 440.4 309.9 440.4 0.00 63 50 19440 -70.3 -90.3 4 20.0 -70.5 55 15 477.8 477.8 313.2 477.8 0.00 64 32 22048 -76.5 -92.5 6 16.0 -76.6 24 14 526.3 526.3 316.7 526.3 0.00 65 30 22420 -76.1 -92.1 6 16.0 -76.2 15 19 537.2 537.2 317.3 537.2 0.00 66 22 24208 -77.5 -93.5 6 16.0 -77.6 35 21 582.8 582.8 319.8 582.9 0.00 67 20 24760 -74.1 -93.1 4 19.0 -74.3 350 26 609.4 609.4 321.0 609.4 0.00 68 12 27700 -78.3 -95.3 5 17.0 -78.5 5 24 690.3 690.3 324.1 690.3 0.00 69 10 28750 -74.3 -95.3 3 21.0 -74.7 355 51 742.2 742.2 325.7 742.2 0.00 70 9.0 29367 -72.0 -95.0 2 23.0 -72.6 5 62 773.8 773.8 326.5 773.8 0.00 71 8.1 29992 -69.7 -94.7 1 25.0 -70.6 5 49 806.5 806.6 327.4 806.6 0.01 72 7.4 30528 -71.1 -95.1 2 24.0 -71.9 5 50 822.0 822.0 327.8 822.0 0.01 TRP 294 8459 -56.9 -68.9 21 12.0 -57.0 25 25 306.9 306.9 284.2 307.0 0.01 WND 9.0 29367 -72.0 -95.0 2 23.0 -72.6 5 62 773.8 773.8 326.5 773.8 0.00 Sounding variables and indices 1000-500 mb thick: 5026.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 68.65 % Est. max temperature: -4.46 C = 23.97 F Sfc-Lift cond lev (LCL): 933.51 mb = 424.88 m = 1393.94 ft T: -26.69 C 700-500 lapse rate: 6.51 C/km ThetaE index: 0.30 C Layer 746.0- 742.0 mb Conv cond level (CCL): 984.00 mb = 46.00 m = 150.92 ft Mean mixing ratio: 0.39 g/kg Conv temperature: -27.90 C = -18.21 F Cap Strength: 26.79 C Lifted Index: 26.83 C Risk: None Lifted Index @300 mb: 37.13 C Lifted Index @700 mb: 21.63 C Showalter Index: 14.35 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 14.20 C K Index: -8.50 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 3.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 117.10 J/kg Max Up Vert Vel: 15.30 m/s Conv Inhibition (B-): 70143.56 J/kg Cap Strength: 26.80 C Lift Cond Lev (LCL): 880.90 mb = 856.21 m = 2809.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 24 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 ---------------------------------------------------------- 0 984 46 310 14 10.7 -9.0 | 253 18 17.2 5.3 1 949 305 330 26 13.0 -22.5 | 293 21 19.5 -8.2 2 925 492 355 25 2.2 -24.9 | 321 14 8.6 -10.6 3 911 610 335 19 8.0 -17.2 | 281 15 14.5 -2.9 4 874 914 325 13 7.5 -10.6 | 255 14 13.9 3.7 5 850 1124 335 14 5.9 -12.7 | 262 12 12.4 1.6 6 839 1219 340 17 5.8 -16.0 | 278 12 12.3 -1.6 7 773 1829 350 16 2.8 -15.8 | 279 9 9.2 -1.4 8 742 2134 320 14 9.0 -10.7 | 257 16 15.5 3.6 9 712 2438 305 13 10.6 -7.5 | 248 18 17.1 6.9 10 700 2565 325 14 8.0 -11.5 | 259 15 14.5 2.9 11 683 2743 335 11 4.6 -10.0 | 249 12 11.1 4.4 12 654 3048 355 13 1.1 -13.0 | 260 8 7.6 1.4 13 627 3353 350 15 2.6 -14.8 | 273 9 9.1 -0.4 14 600 3658 360 29 -0.0 -29.0 | 336 16 6.5 -14.7 15 551 4267 5 26 -2.3 -25.9 | 340 12 4.2 -11.6 16 528 4572 360 20 -0.0 -20.0 | 311 9 6.5 -5.7 17 506 4877 360 22 -0.0 -22.0 | 320 10 6.5 -7.7 18 500 4960 5 26 -2.3 -25.9 | 340 12 4.2 -11.6 19 484 5182 15 29 -7.5 -28.0 | 4 14 -1.0 -13.7 20 423 6096 10 35 -6.1 -34.5 | 359 20 0.4 -20.1 21 400 6470 10 35 -6.1 -34.5 | 359 20 0.4 -20.1 22 368 7010 5 28 -2.4 -27.9 | 343 14 4.0 -13.6 23 335 7620 25 24 -10.1 -21.8 | 26 8 -3.7 -7.4 24 319 7925 35 26 -14.9 -21.3 | 51 11 -8.4 -7.0 25 305 8230 10 25 -4.3 -24.6 | 348 11 2.1 -10.3 26 300 8330 20 25 -8.6 -23.5 | 13 9 -2.1 -9.2 27 294 8459 25 25 -10.6 -22.7 | 26 9 -4.1 -8.3 28 291 8534 25 26 -11.0 -23.6 | 26 10 -4.5 -9.2 29 264 9144 20 35 -12.0 -32.9 | 17 19 -5.5 -18.6 30 252 9449 35 29 -16.6 -23.8 | 47 14 -10.2 -9.4 31 250 9490 40 26 -16.7 -19.9 | 61 12 -10.2 -5.6 32 229 10058 35 29 -16.6 -23.8 | 47 14 -10.2 -9.4 33 208 10668 55 26 -21.3 -14.9 | 88 15 -14.8 -0.6 34 200 10910 35 24 -13.8 -19.7 | 54 9 -7.3 -5.3 35 198 10973 40 19 -12.2 -14.6 | 88 6 -5.7 -0.2 36 189 11278 25 22 -9.3 -19.9 | 27 6 -2.8 -5.6 37 180 11582 55 24 -19.7 -13.8 | 92 13 -13.2 0.6 38 163 12192 55 22 -18.0 -12.6 | 98 12 -11.6 1.7 39 156 12497 40 23 -14.8 -17.6 | 68 9 -8.3 -3.3 40 150 12730 65 22 -19.9 -9.3 | 111 14 -13.5 5.0 41 148 12802 55 27 -22.1 -15.5 | 86 16 -15.7 -1.1 42 141 13106 70 20 -18.8 -6.8 | 121 14 -12.3 7.5 43 128 13716 30 20 -10.0 -17.3 | 50 5 -3.5 -3.0 44 116 14326 55 21 -17.2 -12.0 | 102 11 -10.7 2.3 45 110 14630 40 18 -11.6 -13.8 | 96 5 -5.1 0.5 46 105 14935 60 16 -13.9 -8.0 | 131 10 -7.4 6.3 47 100 15240 55 21 -17.2 -12.0 | 102 11 -10.7 2.3 48 100 15250 65 16 -14.5 -6.8 | 133 11 -8.0 7.6 49 95 15545 65 16 -14.5 -6.8 | 133 11 -8.0 7.6 50 91 15850 45 22 -15.6 -15.6 | 82 9 -9.1 -1.2 51 86 16154 20 18 -6.2 -16.9 | 353 3 0.3 -2.6 52 82 16459 35 17 -9.8 -13.9 | 97 3 -3.3 0.4 53 78 16764 25 15 -6.3 -13.6 | 190 1 0.1 0.7 54 74 17069 20 13 -4.4 -12.2 | 224 3 2.0 2.1 55 70 17430 60 14 -12.1 -7.0 | 142 9 -5.7 7.3 56 67 17678 75 18 -17.4 -4.7 | 132 15 -10.9 9.7 57 64 17983 35 14 -8.0 -11.5 | 151 3 -1.6 2.9 58 61 18288 40 4 -2.6 -3.1 | 199 12 3.9 11.3 59 58 18593 5 10 -0.9 -10.0 | 232 7 5.6 4.4 60 55 18898 25 22 -9.3 -19.9 | 27 6 -2.8 -5.6 61 52 19202 75 15 -14.5 -3.9 | 142 13 -8.0 10.5 62 50 19440 55 15 -12.3 -8.6 | 135 8 -5.8 5.7 63 49 19507 40 14 -9.0 -10.7 | 145 4 -2.5 3.6 64 47 19812 55 15 -12.3 -8.6 | 135 8 -5.8 5.7 65 45 20117 30 13 -6.5 -11.3 | 179 3 -0.0 3.1 66 42 20422 5 12 -1.0 -12.0 | 246 6 5.4 2.4 67 40 20726 35 23 -13.2 -18.8 | 56 8 -6.7 -4.5 68 38 21031 55 17 -13.9 -9.8 | 122 9 -7.5 4.6 69 36 21336 55 13 -10.6 -7.5 | 149 8 -4.2 6.9 70 34 21641 60 10 -8.7 -5.0 | 167 10 -2.2 9.3 71 33 21946 30 12 -6.0 -10.4 | 187 4 0.5 3.9 72 31 22250 10 19 -3.3 -18.7 | 324 5 3.2 -4.4 73 30 22420 15 19 -4.9 -18.4 | 339 4 1.5 -4.0 74 29 22555 25 17 -7.2 -15.4 | 34 1 -0.7 -1.1 75 25 23470 20 31 -10.6 -29.1 | 16 15 -4.1 -14.8 76 24 23774 35 21 -12.0 -17.2 | 63 6 -5.6 -2.9 77 20 24689 35 20 -11.5 -16.4 | 68 5 -5.0 -2.0 78 20 24760 350 26 4.5 -25.6 | 316 16 11.0 -11.3 79 19 24994 350 21 3.6 -20.7 | 302 12 10.1 -6.3 80 16 25908 20 33 -11.3 -31.0 | 16 17 -4.8 -16.7 81 15 26518 20 19 -6.5 -17.9 | 1 4 -0.0 -3.5 82 14 26822 355 26 2.3 -25.9 | 323 14 8.7 -11.6 83 13 27127 30 22 -11.0 -19.1 | 44 7 -4.5 -4.7 84 13 27432 25 20 -8.5 -18.1 | 28 4 -2.0 -3.8 85 11 28042 340 29 9.9 -27.3 | 308 21 16.4 -12.9 86 10 28651 335 39 16.5 -35.3 | 312 31 22.9 -21.0 87 10 28750 355 51 4.4 -50.8 | 343 38 10.9 -36.5 88 10 28956 350 55 9.6 -54.2 | 338 43 16.0 -39.8 89 9 29367 5 62 -5.4 -61.8 | 359 47 1.1 -47.4 90 8 29566 5 45 -3.9 -44.8 | 355 31 2.5 -30.5 91 6 29870 5 62 -5.4 -61.8 | 359 47 1.1 -47.4 Wind Parameters Mean winds (0-6000m): 354.3 at 21.0 knts Storm direction: 24.3 at 15.7 knts Shear (0-3000m) pos: 4.1 neg: 2.7 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 6.8 deg Storm rel helicity (0-3000m) pos: 129.4 neg: -87.3 tot: 42.1 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 11.6 stream: 1.0 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 15.00 Bulk Shear: 7.81 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 ------------------------------------------------------------------------------- 500 334 22 290 17| 14.0 0.0 14.0| 97.0 -11.2 85.8 171.6 0.68| 25.5 17.3 1000 333 19 281 15| 7.0 5.0 12.0| 99.9 -53.6 46.4 46.4 0.17| 19.2 3.2 1500 335 18 279 14| 6.3 3.3 9.6|113.4 -53.6 59.9 39.9 0.24| 14.8 3.6 2000 337 18 278 13| 4.7 3.6 8.3|113.6 -64.0 49.6 24.8 0.14| 12.8 1.8 2500 334 17 273 14| 3.8 3.2 7.0|124.4 -80.6 43.8 17.5 0.10| 12.2 1.2 3000 335 16 271 13| 4.1 2.7 6.8|129.4 -87.3 42.1 14.0 0.08| 11.6 1.0 4000 342 18 281 12| 4.8 2.0 6.8|173.2 -87.3 85.9 21.5 0.24| 11.1 2.7 5000 348 19 291 11| 4.6 2.3 6.9|194.7-100.2 94.5 18.9 0.23| 10.5 2.4 6000 354 21 307 11| 4.2 1.6 5.9|206.2-106.6 99.6 16.6 0.23| 9.6 2.2 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251221.12.gif