UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121800.upa.cvt Date: 0000Z 18 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:0000Z 18 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 -57 SFC 986 46 -29.3 -32.3 75 3.0 -29.5 280 6 244.8 244.9 244.6 245.5 0.26 2 930 461 -32.3 -33.7 87 1.4 -32.4 245.9 245.9 245.5 246.6 0.24 3 927 484 -32.3 -32.3 100 0.0 -32.3 246.1 246.2 245.8 246.9 0.27 4 925 499 -31.9 -31.9 100 0.0 -31.9 275 9 246.7 246.7 246.3 247.5 0.29 5 885 813 -30.1 -30.1 100 0.0 -30.1 251.7 251.7 251.0 252.7 0.35 6 850 1101 -28.3 -31.8 72 3.5 -28.6 300 10 256.5 256.5 254.9 257.4 0.31 7 842 1169 -27.3 -28.0 94 0.7 -27.3 258.2 258.3 256.7 259.5 0.45 8 832 1255 -27.9 -28.3 96 0.4 -27.9 258.5 258.6 256.9 259.7 0.45 9 830 1272 -27.5 -27.8 97 0.3 -27.5 259.1 259.2 257.4 260.4 0.47 10 825 1316 -26.5 -27.7 90 1.2 -26.6 260.6 260.7 258.6 261.9 0.48 11 821 1351 -25.7 -31.7 57 6.0 -26.2 261.8 261.9 259.3 262.8 0.33 12 810 1448 -25.5 -28.7 75 3.2 -25.8 263.0 263.1 260.5 264.3 0.44 13 807 1475 -25.3 -31.3 57 6.0 -25.9 263.5 263.6 260.6 264.5 0.35 14 804 1502 -25.1 -29.9 64 4.8 -25.6 264.0 264.1 261.1 265.2 0.40 15 801 1530 -24.9 -31.9 52 7.0 -25.6 264.5 264.6 261.3 265.5 0.33 16 797 1566 -25.1 -34.1 43 9.0 -25.9 264.7 264.7 261.3 265.5 0.27 17 765 1863 -24.9 -43.9 15 19.0 -26.2 268.0 268.0 263.4 268.3 0.10 18 761 1902 -24.9 -42.9 17 18.0 -26.2 268.4 268.4 263.8 268.8 0.11 19 758 1930 -24.9 -35.9 35 11.0 -25.9 268.7 268.8 264.2 269.4 0.24 20 748 2027 -25.9 -35.9 39 10.0 -26.8 268.7 268.7 264.2 269.4 0.24 21 746 2046 -25.9 -35.9 39 10.0 -26.8 268.9 268.9 264.3 269.6 0.24 22 740 2104 -26.5 -31.4 63 4.9 -27.0 268.8 268.9 264.6 269.9 0.37 23 720 2302 -27.5 -30.5 76 3.0 -27.8 269.8 269.9 265.4 271.1 0.42 24 700 2504 -28.1 -30.7 78 2.6 -28.3 255 11 271.4 271.4 266.4 272.6 0.42 25 648 3054 -30.3 -33.7 72 3.4 -30.6 274.9 275.0 268.7 276.0 0.34 26 644 3098 -30.3 -33.9 71 3.6 -30.6 275.4 275.5 269.0 276.5 0.34 27 596 3644 -34.5 -36.8 80 2.3 -34.7 276.7 276.8 269.7 277.6 0.27 28 529 4467 -39.5 -43.4 66 3.9 -39.7 280.3 280.3 271.6 280.8 0.16 29 500 4850 -42.1 -45.5 69 3.4 -42.2 335 7 281.7 281.7 272.4 282.1 0.13 30 481 5112 -43.9 -46.5 75 2.6 -44.0 282.6 282.6 272.9 283.0 0.12 31 431 5842 -49.1 -53.9 57 4.8 -49.2 285.0 285.0 274.1 285.2 0.06 32 421 5996 -50.3 -54.7 60 4.4 -50.4 285.4 285.4 274.3 285.6 0.05 33 413 6121 -50.3 -53.1 72 2.8 -50.4 287.0 287.0 275.2 287.2 0.07 34 404 6265 -50.5 -62.5 23 12.0 -50.7 288.5 288.5 275.9 288.6 0.02 35 400 6330 -50.9 -57.9 43 7.0 -51.0 355 17 288.8 288.8 276.1 289.0 0.04 36 398 6363 -51.1 -57.1 49 6.0 -51.2 289.0 289.0 276.2 289.1 0.04 37 392 6461 -51.5 -56.5 55 5.0 -51.6 289.7 289.7 276.6 289.9 0.05 38 375 6747 -53.9 -56.9 69 3.0 -53.9 290.2 290.3 276.9 290.4 0.05 39 359 7025 -55.3 -58.5 67 3.2 -55.4 292.0 292.0 277.7 292.2 0.04 40 357 7061 -55.5 -60.0 57 4.5 -55.6 15 13 292.2 292.2 277.8 292.3 0.03 41 352 7151 -55.5 -63.5 36 8.0 -55.6 293.4 293.4 278.4 293.5 0.02 42 340 7372 -54.7 -70.7 12 16.0 -54.9 297.4 297.4 280.2 297.4 0.01 43 330 7562 -55.9 -69.9 16 14.0 -56.1 298.3 298.3 280.6 298.3 0.01 44 318 7798 -54.7 -71.7 11 17.0 -54.9 303.2 303.2 282.7 303.2 0.01 45 300 8170 -54.9 -71.9 10 17.0 -55.1 50 13 308.0 308.0 284.5 308.0 0.01 46 292 8343 -55.5 -73.5 9 18.0 -55.6 309.5 309.5 285.1 309.5 0.01 47 286 8477 -53.3 -73.3 7 20.0 -53.5 314.5 314.5 286.9 314.5 0.01 48 276 8707 -52.5 -76.5 4 24.0 -52.8 318.9 318.9 288.3 318.9 0.00 49 267 8922 -53.3 -78.3 3 25.0 -53.5 320.7 320.7 289.0 320.7 0.00 50 257 9170 -50.9 -79.9 2 29.0 -51.2 327.8 327.8 291.1 327.8 0.00 51 250 9350 -51.7 -80.7 2 29.0 -52.0 65 16 329.2 329.2 291.5 329.2 0.00 52 200 10790 -51.9 -81.9 2 30.0 -52.3 55 18 350.6 350.6 296.8 350.6 0.00 53 191 11090 -51.1 -82.1 1 31.0 -51.5 356.5 356.5 298.0 356.5 0.00 54 171 11810 -52.9 -83.9 1 31.0 -53.3 365.0 365.0 299.7 365.0 0.00 55 152 12574 -52.3 -84.3 1 32.0 -52.8 378.5 378.5 302.0 378.5 0.00 56 150 12660 -52.7 -84.7 1 32.0 -53.2 80 14 379.3 379.3 302.1 379.3 0.00 57 132 13479 -55.7 -85.7 1 30.0 -56.1 388.0 388.0 303.5 388.0 0.00 58 104 14984 -59.1 -87.1 1 28.0 -59.4 408.9 408.9 306.4 408.9 0.00 59 100 15230 -59.3 -87.3 1 28.0 -59.6 65 13 413.2 413.2 306.9 413.2 0.00 60 70 17450 -62.5 -88.5 2 26.0 -62.8 45 25 450.7 450.7 310.9 450.7 0.00 61 57 18709 -65.1 -90.1 2 25.0 -65.4 472.0 472.1 312.8 472.1 0.00 62 53 19154 -63.7 -89.7 2 26.0 -64.0 485.2 485.2 313.8 485.2 0.00 63 50 19510 -65.5 -90.5 2 25.0 -65.8 25 24 489.1 489.1 314.1 489.1 0.00 64 40 20859 -67.5 -91.5 2 24.0 -67.8 516.3 516.3 316.1 516.4 0.00 65 35 21667 -65.1 -91.1 2 26.0 -65.5 542.7 542.7 317.7 542.7 0.00 66 30 22600 -67.3 -92.3 2 25.0 -67.7 340 30 561.2 561.2 318.7 561.2 0.00 67 29 22803 -67.5 -91.5 2 24.0 -67.9 566.1 566.1 318.9 566.1 0.00 68 20 25060 -62.3 -91.3 1 29.0 -63.3 340 71 645.5 645.5 322.5 645.5 0.00 69 11 28799 -57.7 -89.7 1 32.0 -60.4 782.5 782.5 326.8 782.6 0.01 70 10 29400 -58.5 -89.5 1 31.0 -61.2 340 97 801.2 801.2 327.3 801.3 0.01 71 9.2 29923 -59.7 -90.7 1 31.0 -62.3 815.9 815.9 327.6 816.0 0.01 TRP 357 7061 -55.5 -60.0 57 4.5 -55.6 15 13 292.2 292.2 277.8 292.3 0.03 WND 9.0 340 103 Sounding variables and indices 1000-500 mb thick: 4907.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 72.29 % Est. max temperature: -15.79 C = 3.57 F Sfc-Lift cond lev (LCL): 937.24 mb = 405.91 m = 1331.70 ft T: -31.90 C 700-500 lapse rate: 5.97 C/km ThetaE index: 0.06 C Layer 748.0- 746.0 mb Conv cond level (CCL): 933.94 mb = 430.98 m = 1413.97 ft Mean mixing ratio: 0.28 g/kg Conv temperature: -28.32 C = -18.97 F Cap Strength: 27.22 C Lifted Index: 27.93 C Risk: None Lifted Index @300 mb: 42.70 C Lifted Index @700 mb: 21.57 C Showalter Index: 19.99 C Risk: None Total Totals Index: 24.10 C Risk: None Vertical Totals Index: 13.80 C Cross Totals Index: 10.30 C K Index: -20.60 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 5.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.98 J/kg Max Up Vert Vel: 7.35 m/s Conv Inhibition (B-): 68267.84 J/kg Cap Strength: 27.73 C Lift Cond Lev (LCL): 917.13 mb = 559.62 m = 1836.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 9 37621 340 103 35.2 -96.8 1 986 46 280 6 5.9 -1.0 2 951 305 275 8 8.0 -0.7 3 925 499 275 9 9.0 -0.8 4 911 610 270 8 8.0 -0.0 5 873 914 295 12 10.9 -5.1 6 850 1101 300 10 8.7 -5.0 7 836 1219 275 8 8.0 -0.7 8 769 1829 230 8 6.1 5.1 9 737 2134 250 8 7.5 2.7 10 706 2438 260 12 11.8 2.1 11 700 2504 255 11 10.6 2.8 12 676 2743 260 13 12.8 2.3 13 620 3353 195 10 2.6 9.7 14 593 3658 210 14 7.0 12.1 15 568 3962 215 10 5.7 8.2 16 544 4267 265 9 9.0 0.8 17 500 4850 335 7 3.0 -6.3 18 498 4877 340 7 2.4 -6.6 19 476 5182 345 3 0.8 -2.9 20 454 5486 335 12 5.1 -10.9 21 434 5791 315 13 9.2 -9.2 22 414 6096 330 15 7.5 -13.0 23 400 6330 355 17 1.5 -16.9 24 396 6401 355 17 1.5 -16.9 25 377 6706 25 15 -6.3 -13.6 26 360 7010 35 11 -6.3 -9.0 27 357 7061 15 13 -3.4 -12.6 28 343 7315 15 12 -3.1 -11.6 29 327 7620 40 11 -7.1 -8.4 30 312 7925 55 13 -10.6 -7.5 31 300 8170 50 13 -10.0 -8.4 32 297 8230 45 13 -9.2 -9.2 33 284 8534 60 14 -12.1 -7.0 34 258 9144 70 18 -16.9 -6.2 35 250 9350 65 16 -14.5 -6.8 36 246 9449 65 16 -14.5 -6.8 37 224 10058 95 14 -13.9 1.2 38 214 10363 75 13 -12.6 -3.4 39 204 10668 90 13 -13.0 0.0 40 200 10790 55 18 -14.7 -10.3 41 194 10973 55 18 -14.7 -10.3 42 186 11278 80 21 -20.7 -3.6 43 177 11582 70 24 -22.6 -8.2 44 169 11887 55 20 -16.4 -11.5 45 154 12497 85 13 -13.0 -1.1 46 150 12660 80 14 -13.8 -2.4 47 147 12802 90 17 -17.0 0.0 48 140 13106 60 13 -11.3 -6.5 49 133 13411 105 15 -14.5 3.9 50 127 13716 85 17 -16.9 -1.5 51 121 14021 110 14 -13.2 4.8 52 115 14326 75 15 -14.5 -3.9 53 110 14630 85 12 -12.0 -1.0 54 105 14935 65 10 -9.1 -4.2 55 100 15230 65 13 -11.8 -5.5 56 100 15240 70 14 -13.2 -4.8 57 95 15545 65 13 -11.8 -5.5 58 91 15850 70 14 -13.2 -4.8 59 86 16154 40 16 -10.3 -12.3 60 82 16459 80 14 -13.8 -2.4 61 74 17069 50 15 -11.5 -9.6 62 71 17374 55 16 -13.1 -9.2 63 70 17450 45 25 -17.7 -17.7 64 67 17678 40 27 -17.4 -20.7 65 61 18288 45 11 -7.8 -7.8 66 58 18593 20 11 -3.8 -10.3 67 55 18898 360 19 -0.0 -19.0 68 50 19507 25 20 -8.5 -18.1 69 50 19510 25 24 -10.1 -21.8 70 41 20726 350 20 3.5 -19.7 71 37 21336 355 27 2.4 -26.9 72 35 21641 360 28 -0.0 -28.0 73 33 21946 330 27 13.5 -23.4 74 32 22250 355 33 2.9 -32.9 75 30 22555 325 34 19.5 -27.9 76 30 22600 340 30 10.3 -28.2 77 29 22860 330 36 18.0 -31.2 78 27 23165 345 27 7.0 -26.1 79 26 23470 345 50 12.9 -48.3 80 24 24079 340 40 13.7 -37.6 81 20 25060 340 71 24.3 -66.7 82 17 26213 335 79 33.4 -71.6 83 16 26518 335 72 30.4 -65.3 84 15 26822 340 89 30.4 -83.6 85 14 27432 335 85 35.9 -77.0 86 13 27737 330 98 49.0 -84.9 87 10 29400 340 97 33.2 -91.2 88 9 29566 340 85 29.1 -79.9 89 8 30175 340 103 35.2 -96.8 Wind Parameters Energy-Hel index: -1.69 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251218.00.gif