UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 20 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 1001 46 -26.7 -29.6 76 2.9 -26.9 155 4 246.4 246.4 246.2 247.3 0.33 1 1000 53 -26.3 -29.3 76 3.0 -26.5 165 1 246.9 246.9 246.6 247.8 0.34 2 998 68 -25.5 -29.0 72 3.5 -25.8 157 2 247.8 247.8 247.5 248.7 0.35 3 981 192 -26.9 -29.8 76 2.9 -27.1 86 9 247.6 247.7 247.3 248.5 0.33 4 977 221 -26.5 -29.3 77 2.8 -26.8 69 11 248.3 248.3 247.9 249.2 0.35 5 976 229 -20.9 -26.9 59 6.0 -21.6 65 12 254.0 254.1 253.1 255.2 0.43 6 975 236 -19.3 -26.3 54 7.0 -20.1 61 12 255.7 255.8 254.6 257.0 0.46 7 955 391 -18.1 -26.1 50 8.0 -19.1 29 15 258.4 258.5 256.9 259.8 0.48 8 925 629 -18.9 -25.9 54 7.0 -19.8 35 12 260.0 260.1 258.2 261.4 0.50 9 924 637 -18.9 -25.9 54 7.0 -19.8 34 12 260.1 260.1 258.3 261.5 0.50 10 902 816 -19.3 -30.3 37 11.0 -20.5 18 12 261.4 261.5 259.0 262.4 0.34 11 897 858 -17.9 -37.9 16 20.0 -19.8 15 12 263.3 263.3 260.1 263.8 0.16 12 892 900 -17.7 -39.7 13 22.0 -19.7 11 12 263.9 264.0 260.5 264.4 0.14 13 874 1053 -15.7 -35.7 16 20.0 -17.9 35 7 267.6 267.6 263.3 268.2 0.21 14 850 1262 -16.9 -35.9 18 19.0 -19.0 35 2 268.4 268.5 264.0 269.1 0.21 15 823 1504 -16.9 -33.9 21 17.0 -18.9 65 3 270.9 271.0 265.8 271.7 0.26 16 710 2596 -24.7 -36.7 32 12.0 -25.8 67 4 274.0 274.1 267.8 274.7 0.23 17 700 2699 -25.3 -40.3 23 15.0 -26.5 55 4 274.5 274.5 268.0 275.0 0.16 18 623 3536 -31.3 -50.3 14 19.0 -32.2 19 2 276.9 276.9 269.4 277.1 0.06 19 611 3674 -31.9 -51.9 12 20.0 -32.8 46 2 277.8 277.8 269.9 277.9 0.05 20 604 3756 -32.3 -48.3 19 16.0 -33.1 63 4 278.2 278.2 270.2 278.5 0.08 21 597 3838 -32.7 -38.7 55 6.0 -33.1 81 6 278.7 278.7 270.8 279.4 0.23 22 590 3921 -33.1 -37.3 66 4.2 -33.4 99 9 279.2 279.2 271.1 280.0 0.26 23 583 4005 -33.3 -37.9 63 4.6 -33.6 112 10 279.9 279.9 271.5 280.7 0.25 24 576 4090 -32.7 -47.7 21 15.0 -33.5 118 11 281.5 281.6 272.2 281.8 0.09 25 563 4251 -33.3 -54.3 10 21.0 -34.2 128 13 282.7 282.7 272.8 282.8 0.04 26 543 4505 -33.7 -46.7 26 13.0 -34.4 107 14 285.1 285.2 274.3 285.5 0.11 27 514 4888 -36.5 -48.5 28 12.0 -37.1 116 13 286.3 286.3 274.9 286.6 0.09 28 510 4943 -36.3 -54.3 14 18.0 -37.0 120 15 287.1 287.2 275.3 287.3 0.05 29 500 5080 -37.3 -50.3 25 13.0 -37.9 130 21 287.6 287.6 275.5 287.8 0.08 30 483 5317 -39.1 -49.1 34 10.0 -39.5 121 20 288.2 288.2 275.9 288.5 0.09 31 452 5769 -40.7 -59.7 11 19.0 -41.2 128 25 291.7 291.7 277.6 291.8 0.03 32 434 6045 -42.3 -59.3 14 17.0 -42.8 118 27 293.1 293.1 278.2 293.2 0.03 33 409 6442 -45.3 -64.3 10 19.0 -45.7 108 28 294.2 294.2 278.7 294.3 0.02 34 400 6590 -46.3 -62.3 15 16.0 -46.6 105 28 294.8 294.8 279.0 294.9 0.02 35 374 7032 -49.5 -62.5 20 13.0 -49.7 96 35 296.3 296.3 279.7 296.4 0.02 36 350 7462 -52.7 -58.7 48 6.0 -52.8 88 39 297.7 297.7 280.4 297.8 0.04 37 337 7705 -53.7 -65.7 22 12.0 -53.8 86 40 299.5 299.5 281.1 299.6 0.02 38 300 8440 -59.5 -67.5 35 8.0 -59.6 95 45 301.5 301.5 282.0 301.5 0.01 39 290 8652 -60.3 -68.3 34 8.0 -60.4 92 46 303.3 303.3 282.7 303.3 0.01 40 282 8825 -61.5 -65.8 56 4.3 -61.6 87 47 304.0 304.0 283.0 304.1 0.02 41 278 8914 -62.1 -68.1 44 6.0 -62.1 85 48 304.4 304.4 283.2 304.4 0.01 42 259 9351 -62.3 -71.3 29 9.0 -62.4 82 54 310.3 310.3 285.4 310.3 0.01 43 250 9570 -61.1 -74.1 16 13.0 -61.2 85 54 315.2 315.2 287.2 315.3 0.01 44 248 9620 -60.5 -73.5 17 13.0 -60.6 84 54 316.8 316.9 287.7 316.9 0.01 45 226 10201 -59.9 -76.9 9 17.0 -60.0 77 50 326.3 326.3 290.6 326.3 0.00 46 223 10285 -60.3 -78.3 8 18.0 -60.4 76 49 326.9 326.9 290.9 326.9 0.00 47 218 10427 -58.1 -79.1 5 21.0 -58.3 77 48 332.5 332.5 292.4 332.5 0.00 48 200 10970 -59.1 -82.1 4 23.0 -59.3 80 33 339.2 339.2 294.1 339.2 0.00 49 199 11001 -59.3 -82.3 4 23.0 -59.5 84 33 339.3 339.3 294.1 339.4 0.00 50 183 11526 -57.9 -83.9 2 26.0 -58.1 83 33 349.9 349.9 296.6 349.9 0.00 51 150 12770 -60.3 -85.3 2 25.0 -60.5 70 29 366.2 366.2 299.9 366.2 0.00 52 147 12896 -60.5 -85.5 2 25.0 -60.7 62 23 368.0 368.0 300.2 368.0 0.00 53 130 13663 -59.7 -85.7 2 26.0 -59.9 59 25 382.6 382.6 302.6 382.6 0.00 54 105 14989 -62.9 -86.9 3 24.0 -63.1 74 24 400.6 400.6 305.3 400.6 0.00 55 100 15290 -62.3 -87.3 2 25.0 -62.5 45 9 407.4 407.4 306.2 407.4 0.00 56 80 16660 -64.3 -88.3 2 24.0 -64.5 44 16 430.1 430.1 308.9 430.1 0.00 57 74 17134 -66.3 -89.3 3 23.0 -66.5 358 11 435.6 435.6 309.4 435.6 0.00 58 73 17216 -65.5 -88.5 3 23.0 -65.7 2 13 439.0 439.0 309.8 439.0 0.00 59 70 17470 -67.1 -89.1 3 22.0 -67.2 45 9 440.8 440.8 310.0 440.8 0.00 60 59 18492 -71.1 -90.1 4 19.0 -71.2 15 10 453.9 453.9 311.2 453.9 0.00 61 50 19470 -71.5 -90.5 4 19.0 -71.6 25 11 475.0 475.0 313.1 475.0 0.00 62 30 22440 -76.5 -92.5 6 16.0 -76.6 320 10 536.1 536.1 317.3 536.1 0.00 63 20 24780 -74.9 -92.9 4 18.0 -75.1 325 33 606.9 606.9 320.9 606.9 0.00 64 17 25725 -74.3 -93.3 4 19.0 -74.5 337 36 637.7 637.7 322.2 637.7 0.00 65 13 27276 -77.3 -95.3 4 18.0 -77.5 319 31 678.2 678.2 323.7 678.2 0.00 TRP 278 8914 -62.1 -68.1 44 6.0 -62.1 85 48 304.4 304.4 283.2 304.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5027.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 28.55 % Est. max temperature: -4.67 C = 23.60 F Sfc-Lift cond lev (LCL): 953.44 mb = 403.07 m = 1322.40 ft T: -18.14 C 700-500 lapse rate: 5.04 C/km ThetaE index: 0.24 C Layer 981.0- 977.0 mb Conv cond level (CCL): 981.13 mb = 190.82 m = 626.06 ft Mean mixing ratio: 0.43 g/kg Conv temperature: -25.47 C = -13.85 F Cap Strength: 24.44 C Lifted Index: 24.61 C Risk: None Lifted Index @300 mb: 31.10 C Lifted Index @700 mb: 15.64 C Showalter Index: 15.30 C Risk: None Total Totals Index: 21.80 C Risk: None Vertical Totals Index: 20.40 C Cross Totals Index: 1.40 C K Index: -30.50 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.50 J/kg Max Up Vert Vel: 11.18 m/s Conv Inhibition (B-): 56765.11 J/kg Cap Strength: 24.47 C Lift Cond Lev (LCL): 849.65 mb = 1265.06 m = 4150.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 128 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 1001 46 155 4 -1.7 3.6 | 284 4 4.3 -1.1 1 1000 53 165 1 -0.3 1.0 | 303 7 5.7 -3.8 2 966 305 25 16 -6.8 -14.5 | 2 19 -0.8 -19.2 3 927 610 40 13 -8.4 -10.0 | 9 15 -2.4 -14.7 4 925 629 35 12 -6.9 -9.8 | 3 15 -0.9 -14.6 5 890 914 10 12 -2.1 -11.8 | 347 17 3.9 -16.5 6 855 1219 65 2 -1.8 -0.8 | 323 7 4.2 -5.6 7 850 1262 35 2 -1.1 -1.6 | 323 8 4.9 -6.4 8 787 1829 105 5 -4.8 1.3 | 341 4 1.2 -3.4 9 756 2134 85 6 -6.0 -0.5 | 360 5 0.0 -5.2 10 725 2438 85 5 -5.0 -0.4 | 349 5 1.0 -5.2 11 700 2699 55 4 -3.3 -2.3 | 339 8 2.7 -7.0 12 696 2743 55 3 -2.5 -1.7 | 331 7 3.5 -6.4 13 638 3353 345 2 0.5 -1.9 | 316 9 6.5 -6.7 14 611 3658 45 2 -1.4 -1.4 | 323 8 4.6 -6.1 15 586 3962 110 10 -9.4 3.4 | 69 4 -3.4 -1.3 16 561 4267 130 13 -10.0 8.4 | 133 5 -4.0 3.6 17 537 4572 100 14 -13.8 2.4 | 74 8 -7.8 -2.3 18 515 4877 115 13 -11.8 5.5 | 98 6 -5.8 0.8 19 500 5080 130 21 -16.1 13.5 | 131 13 -10.1 8.8 20 493 5182 130 20 -15.3 12.9 | 131 12 -9.3 8.1 21 471 5486 110 21 -19.7 7.2 | 100 14 -13.7 2.5 22 450 5791 130 25 -19.2 16.1 | 131 17 -13.2 11.3 23 430 6096 115 27 -24.5 11.4 | 110 20 -18.5 6.7 24 400 6590 105 28 -27.0 7.2 | 97 21 -21.0 2.5 25 357 7315 90 39 -39.0 0.0 | 82 33 -33.0 -4.7 26 341 7620 85 40 -39.8 -3.5 | 76 35 -33.8 -8.2 27 300 8440 95 45 -44.8 3.9 | 89 39 -38.8 -0.8 28 295 8534 95 45 -44.8 3.9 | 89 39 -38.8 -0.8 29 278 8914 85 48 -47.8 -4.2 | 78 43 -41.8 -8.9 30 268 9144 85 51 -50.8 -4.4 | 78 46 -44.8 -9.2 31 255 9449 80 55 -54.2 -9.6 | 73 50 -48.2 -14.3 32 250 9570 85 54 -53.8 -4.7 | 79 49 -47.8 -9.4 33 220 10363 75 49 -47.3 -12.7 | 67 45 -41.3 -17.4 34 210 10668 85 43 -42.8 -3.7 | 77 38 -36.8 -8.5 35 200 10970 80 33 -32.5 -5.7 | 68 28 -26.5 -10.5 36 200 10973 85 33 -32.9 -2.9 | 74 28 -26.9 -7.6 37 190 11278 75 36 -34.8 -9.3 | 64 32 -28.8 -14.0 38 173 11887 95 29 -28.9 2.5 | 85 23 -22.9 -2.2 39 157 12497 95 23 -22.9 2.0 | 81 17 -16.9 -2.7 40 150 12770 70 29 -27.3 -9.9 | 55 26 -21.3 -14.6 41 149 12802 60 23 -19.9 -11.5 | 41 21 -13.9 -16.2 42 135 13411 75 26 -25.1 -6.7 | 59 22 -19.1 -11.5 43 129 13716 55 25 -20.5 -14.3 | 37 24 -14.5 -19.1 44 123 14021 60 29 -25.1 -14.5 | 45 27 -19.1 -19.2 45 117 14326 75 19 -18.4 -4.9 | 52 16 -12.4 -9.6 46 111 14630 60 20 -17.3 -10.0 | 38 19 -11.3 -14.7 47 106 14935 70 27 -25.4 -9.2 | 54 24 -19.4 -14.0 48 101 15240 95 12 -12.0 1.0 | 58 7 -6.0 -3.7 49 100 15290 45 9 -6.4 -6.4 | 2 11 -0.4 -11.1 50 96 15545 45 9 -6.4 -6.4 | 2 11 -0.4 -11.1 51 91 15850 55 16 -13.1 -9.2 | 27 16 -7.1 -13.9 52 87 16154 25 15 -6.3 -13.6 | 1 18 -0.3 -18.3 53 83 16459 25 19 -8.0 -17.2 | 5 22 -2.0 -21.9 54 79 16764 55 15 -12.3 -8.6 | 25 15 -6.3 -13.3 55 75 17069 355 10 0.9 -10.0 | 335 16 6.9 -14.7 56 71 17374 10 17 -3.0 -16.7 | 352 22 3.0 -21.5 57 70 17470 45 9 -6.4 -6.4 | 2 11 -0.4 -11.1 58 61 18288 15 10 -2.6 -9.7 | 347 15 3.4 -14.4 59 58 18593 15 10 -2.6 -9.7 | 347 15 3.4 -14.4 60 55 18898 55 12 -9.8 -6.9 | 18 12 -3.8 -11.6 61 52 19202 5 10 -0.9 -10.0 | 341 16 5.1 -14.7 62 50 19470 25 11 -4.6 -10.0 | 355 15 1.4 -14.7 63 50 19507 20 22 -7.5 -20.7 | 3 25 -1.5 -25.4 64 47 19812 30 13 -6.5 -11.3 | 2 16 -0.5 -16.0 65 42 20422 30 10 -5.0 -8.7 | 356 13 1.0 -13.4 66 38 21031 10 4 -0.7 -3.9 | 329 10 5.3 -8.7 67 36 21336 340 9 3.1 -8.5 | 325 16 9.1 -13.2 68 34 21641 355 14 1.2 -13.9 | 339 20 7.2 -18.7 69 33 21946 330 15 7.5 -13.0 | 323 22 13.5 -17.7 70 31 22250 340 19 6.5 -17.9 | 331 26 12.5 -22.6 71 30 22440 320 10 6.4 -7.7 | 315 18 12.4 -12.4 72 29 22555 355 11 1.0 -11.0 | 336 17 7.0 -15.7 73 28 22860 315 12 8.5 -8.5 | 312 20 14.5 -13.2 74 25 23470 345 26 6.7 -25.1 | 337 32 12.7 -29.8 75 24 23774 345 16 4.1 -15.5 | 333 23 10.1 -20.2 76 23 24079 310 19 14.6 -12.2 | 309 27 20.6 -16.9 77 20 24689 315 27 19.1 -19.1 | 314 35 25.1 -23.8 78 20 24780 325 33 18.9 -27.0 | 322 40 24.9 -31.8 79 18 24994 340 32 10.9 -30.1 | 334 39 16.9 -34.8 80 16 25298 335 39 16.5 -35.3 | 331 46 22.5 -40.1 81 14 25603 350 29 5.0 -28.6 | 342 35 11.0 -33.3 82 13 25908 310 32 24.5 -20.6 | 310 40 30.5 -25.3 83 10 26518 330 31 15.5 -26.8 | 326 38 21.5 -31.6 84 9 26822 310 30 23.0 -19.3 | 310 38 29.0 -24.0 85 8 27127 320 37 23.8 -28.3 | 318 45 29.8 -33.1 86 7 27432 335 31 13.1 -28.1 | 330 38 19.1 -32.8 87 6 27737 340 28 9.6 -26.3 | 333 35 15.6 -31.0 Wind Parameters Mean winds (0-6000m): 98.2 at 10.2 knts Storm direction: 128.2 at 7.6 knts Shear (0-3000m) pos: 1.1 neg: 2.2 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 39.7 deg Storm rel helicity (0-3000m) pos: 18.6 neg: -56.8 tot: -38.2 m^2/s^2 ave: -12.7 10^-3 m/s^2 rel: -0.10 Storm rel vorticity (0-3000m) horiz: 9.7 stream: -1.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.15 Bulk Shear: 19.84 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 30 11 359 15| 0.0 16.4 16.4| 11.3 -19.2 -7.9 -15.8 0.13| 27.5 3.6 1000 27 12 357 15| 0.0 5.3 5.3| 13.2 -40.6 -27.4 -27.4 -0.03| 19.3 -0.6 1500 28 9 352 13| 1.8 3.5 5.4| 16.2 -49.5 -33.3 -22.2 -0.08| 15.7 -1.3 2000 37 8 353 11| 1.7 2.7 4.4| 18.3 -49.5 -31.2 -15.6 -0.04| 12.9 -0.5 2500 45 7 355 10| 1.4 2.4 3.7| 18.6 -51.4 -32.8 -13.1 -0.06| 10.9 -0.6 3000 45 7 352 9| 1.1 2.2 3.3| 18.6 -56.8 -38.2 -12.7 -0.10| 9.7 -1.0 4000 50 6 351 9| 2.2 1.6 3.8| 36.4 -60.0 -23.6 -5.9 0.07| 9.3 0.7 5000 77 8 12 7| 2.6 1.5 4.1| 54.1 -69.3 -15.2 -3.0 0.10| 9.5 1.0 6000 98 10 51 5| 2.6 1.6 4.2| 82.1-111.7 -29.6 -4.9 0.05| 9.6 0.5 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251220.12.gif