UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 6 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 1006 46 -23.7 -26.6 77 2.9 -24.0 50 26 249.0 249.1 248.8 250.2 0.43 1 1002 73 -22.9 -26.3 74 3.4 -23.2 250.1 250.2 249.8 251.3 0.45 2 1000 87 -19.9 -24.4 67 4.5 -20.5 60 28 253.2 253.3 252.7 254.7 0.53 3 999 94 -17.9 -22.9 65 5.0 -18.6 255.3 255.4 254.6 257.0 0.61 4 981 231 -14.9 -23.9 46 9.0 -16.3 259.7 259.8 258.1 261.2 0.56 5 957 419 -13.3 -23.3 43 10.0 -14.9 263.1 263.2 260.9 264.9 0.61 6 925 677 -13.9 -21.9 51 8.0 -15.3 75 16 265.1 265.2 262.6 267.1 0.72 7 920 718 -14.1 -22.1 51 8.0 -15.4 265.3 265.4 262.7 267.3 0.71 8 888 986 -16.3 -22.3 60 6.0 -17.3 265.7 265.8 263.0 267.8 0.72 9 850 1314 -17.7 -25.7 50 8.0 -18.8 65 15 267.6 267.7 264.1 269.2 0.55 10 834 1456 -18.5 -26.5 49 8.0 -19.6 268.2 268.3 264.4 269.7 0.53 11 818 1600 -17.9 -28.9 38 11.0 -19.4 270.3 270.4 265.7 271.6 0.43 12 801 1757 -18.3 -23.3 65 5.0 -19.1 271.5 271.7 267.1 273.7 0.73 13 796 1804 -18.3 -24.3 59 6.0 -19.3 272.0 272.1 267.4 274.0 0.67 14 791 1851 -18.3 -37.3 17 19.0 -20.3 272.5 272.6 266.8 273.1 0.20 15 777 1984 -18.7 -40.7 13 22.0 -20.8 273.5 273.5 267.3 273.9 0.14 16 772 2032 -18.9 -32.9 28 14.0 -20.6 273.8 273.8 267.8 274.7 0.31 17 763 2119 -19.7 -27.7 49 8.0 -20.8 273.8 273.9 268.2 275.4 0.51 18 740 2345 -21.5 -38.5 20 17.0 -23.1 274.3 274.3 267.9 274.9 0.19 19 729 2455 -22.5 -30.5 48 8.0 -23.5 274.4 274.4 268.4 275.6 0.41 20 720 2546 -23.1 -31.1 48 8.0 -24.0 274.7 274.7 268.6 275.9 0.40 21 712 2628 -23.5 -40.5 19 17.0 -24.9 275.1 275.1 268.4 275.6 0.16 22 700 2752 -24.3 -40.3 21 16.0 -25.6 110 16 275.6 275.6 268.7 276.1 0.16 23 672 3048 -26.7 -38.7 31 12.0 -27.7 276.1 276.2 269.1 276.8 0.20 24 642 3377 -29.3 -33.8 65 4.5 -29.7 276.8 276.9 269.8 277.9 0.34 25 636 3444 -29.7 -33.1 72 3.4 -30.0 277.1 277.2 270.1 278.2 0.37 26 598 3882 -31.9 -43.9 29 12.0 -32.6 279.5 279.5 271.1 279.9 0.13 27 547 4506 -36.9 -50.9 22 14.0 -37.5 280.7 280.8 271.7 281.0 0.07 28 500 5120 -42.9 -47.2 63 4.3 -43.0 125 21 280.7 280.8 271.8 281.1 0.11 29 487 5297 -44.3 -47.5 70 3.2 -44.4 281.1 281.2 272.0 281.5 0.11 30 404 6517 -55.1 -59.7 57 4.6 -55.2 282.6 282.6 272.7 282.7 0.03 31 400 6580 -55.5 -60.2 56 4.7 -55.6 130 41 282.9 282.9 272.9 283.0 0.03 32 352 7382 -60.7 -65.7 52 5.0 -60.7 286.4 286.4 274.8 286.4 0.02 33 337 7653 -59.9 -65.9 45 6.0 -60.0 291.1 291.1 277.2 291.1 0.02 34 309 8188 -63.7 -67.0 64 3.3 -63.7 130 28 293.1 293.1 278.2 293.1 0.02 35 300 8370 -61.9 -68.9 39 7.0 -62.0 120 36 298.1 298.1 280.5 298.1 0.01 36 299 8391 -62.1 -70.1 34 8.0 -62.1 298.1 298.1 280.5 298.1 0.01 37 295 8475 -59.3 -71.3 20 12.0 -59.4 303.2 303.2 282.7 303.2 0.01 38 286 8670 -58.7 -73.7 13 15.0 -58.8 306.8 306.8 284.1 306.8 0.01 39 273 8962 -59.9 -72.9 17 13.0 -60.0 309.1 309.1 285.0 309.2 0.01 40 264 9172 -58.5 -74.5 11 16.0 -58.6 314.2 314.2 286.8 314.2 0.01 41 257 9343 -54.5 -78.5 4 24.0 -54.7 322.5 322.5 289.5 322.5 0.00 42 250 9520 -55.7 -78.7 4 23.0 -55.9 125 20 323.3 323.3 289.8 323.3 0.00 43 240 9778 -56.5 -79.5 4 23.0 -56.7 325.9 325.9 290.5 325.9 0.00 44 233 9966 -54.5 -80.5 3 26.0 -54.8 331.7 331.7 292.2 331.7 0.00 45 200 10940 -54.9 -81.9 2 27.0 -55.2 125 12 345.8 345.8 295.7 345.8 0.00 46 150 12780 -55.5 -84.5 2 29.0 -55.8 95 9 374.5 374.5 301.4 374.5 0.00 47 100 15360 -55.9 -85.9 1 30.0 -56.4 350 1 419.7 419.7 307.7 419.7 0.00 48 70 17610 -59.1 -88.1 1 29.0 -59.6 355 5 457.9 457.9 311.6 458.0 0.00 49 60 18574 -60.1 -88.1 1 28.0 -60.6 476.4 476.4 313.1 476.4 0.00 50 50 19720 -56.9 -87.9 1 31.0 -57.8 280 22 509.4 509.4 315.6 509.4 0.00 51 42 20828 -56.1 -87.1 1 31.0 -57.2 537.4 537.4 317.3 537.4 0.00 52 36 21823 -50.3 -85.3 1 35.0 -52.5 576.6 576.6 319.5 576.7 0.01 53 30 23010 -52.1 -86.1 1 34.0 -54.2 305 48 602.6 602.6 320.7 602.7 0.01 54 23 24735 -51.1 -86.1 1 35.0 -53.9 653.1 653.1 322.8 653.2 0.01 55 20 25640 -53.5 -87.5 1 34.0 -56.1 305 68 672.4 672.4 323.5 672.5 0.01 56 15 27498 -49.9 -85.9 1 36.0 -54.2 742.0 742.1 325.7 742.2 0.02 57 12 28952 -49.9 -86.9 1 37.0 -54.9 790.9 791.0 327.0 791.1 0.02 58 10 30140 -50.3 -87.3 0 37.0 -55.7 305 100 831.8 831.8 328.0 832.0 0.02 59 8.6 31124 -50.3 -86.3 1 36.0 -56.2 868.5 868.5 328.8 868.7 0.03 TRP 309 8188 -63.7 -67.0 64 3.3 -63.7 130 28 293.1 293.1 278.2 293.1 0.02 WND 7.0 290 136 Sounding variables and indices 1000-500 mb thick: 5033.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 41.77 % Est. max temperature: -5.39 C = 22.30 F Sfc-Lift cond lev (LCL): 958.56 mb = 406.38 m = 1333.26 ft T: -13.41 C 700-500 lapse rate: 7.85 C/km ThetaE index: 0.86 C Layer 791.0- 777.0 mb Conv cond level (CCL): 1002.00 mb = 73.23 m = 240.25 ft Mean mixing ratio: 0.63 g/kg Conv temperature: -22.18 C = -7.93 F Cap Strength: 14.70 C Lifted Index: 14.27 C Risk: None Lifted Index @300 mb: 24.56 C Lifted Index @700 mb: 11.66 C Showalter Index: 9.61 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: 17.20 C K Index: -16.50 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.24 J/kg Max Up Vert Vel: 9.41 m/s Conv Inhibition (B-): 66516.93 J/kg Cap Strength: 14.70 C Lift Cond Lev (LCL): 836.50 mb = 1433.52 m = 4703.10 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 7 39793 290 136 127.8 -46.5 1 1006 46 50 26 -19.9 -16.7 2 1000 87 60 28 -24.2 -14.0 3 972 305 100 18 -17.7 3.1 4 933 610 80 18 -17.7 -3.1 5 925 677 75 16 -15.5 -4.1 6 896 914 80 14 -13.8 -2.4 7 861 1219 75 18 -17.4 -4.7 8 850 1314 65 15 -13.6 -6.3 9 826 1524 45 12 -8.5 -8.5 10 793 1829 115 14 -12.7 5.9 11 761 2134 120 19 -16.5 9.5 12 730 2438 115 19 -17.2 8.0 13 701 2743 110 17 -16.0 5.8 14 700 2752 110 16 -15.0 5.5 15 671 3048 95 11 -11.0 1.0 16 615 3658 110 14 -13.2 4.8 17 589 3962 145 14 -8.0 11.5 18 564 4267 130 20 -15.3 12.9 19 540 4572 120 21 -18.2 10.5 20 518 4877 125 23 -18.8 13.2 21 500 5120 125 21 -17.2 12.0 22 473 5486 120 25 -21.7 12.5 23 451 5791 135 24 -17.0 17.0 24 431 6096 125 32 -26.2 18.4 25 411 6401 125 38 -31.1 21.8 26 400 6580 130 41 -31.4 26.4 27 355 7315 135 58 -41.0 41.0 28 339 7620 145 46 -26.4 37.7 29 322 7925 150 26 -13.0 22.5 30 309 8188 130 28 -21.4 18.0 31 300 8370 120 36 -31.2 18.0 32 292 8534 120 36 -31.2 18.0 33 278 8839 150 15 -7.5 13.0 34 265 9144 100 16 -15.8 2.8 35 253 9449 105 25 -24.1 6.5 36 250 9520 125 20 -16.4 11.5 37 230 10058 120 23 -19.9 11.5 38 219 10363 105 18 -17.4 4.7 39 209 10668 105 16 -15.5 4.1 40 200 10940 125 12 -9.8 6.9 41 190 11278 125 11 -9.0 6.3 42 181 11582 110 12 -11.3 4.1 43 172 11887 120 11 -9.5 5.5 44 164 12192 115 15 -13.6 6.3 45 150 12780 95 9 -9.0 0.8 46 149 12802 130 11 -8.4 7.1 47 102 15240 75 5 -4.8 -1.3 48 100 15360 350 1 0.2 -1.0 49 97 15545 350 1 0.2 -1.0 50 73 17374 310 11 8.4 -7.1 51 70 17610 355 5 0.4 -5.0 52 69 17678 335 12 5.1 -10.9 53 66 17983 0 0 -0.0 -0.0 54 63 18288 265 10 10.0 0.9 55 60 18593 300 18 15.6 -9.0 56 57 18898 265 18 17.9 1.6 57 54 19202 295 14 12.7 -5.9 58 52 19507 285 16 15.5 -4.1 59 50 19720 280 22 21.7 -3.8 60 49 19812 305 23 18.8 -13.2 61 47 20117 280 22 21.7 -3.8 62 45 20422 275 32 31.9 -2.8 63 41 21031 295 27 24.5 -11.4 64 39 21336 290 39 36.6 -13.3 65 35 21946 290 50 47.0 -17.1 66 31 22860 310 43 32.9 -27.6 67 30 23010 305 48 39.3 -27.5 68 29 23165 305 45 36.9 -25.8 69 27 23774 300 67 58.0 -33.5 70 24 24384 300 55 47.6 -27.5 71 22 24994 295 72 65.3 -30.4 72 20 25603 305 60 49.1 -34.4 73 20 25640 305 68 55.7 -39.0 74 17 26822 310 86 65.9 -55.3 75 16 27127 315 70 49.5 -49.5 76 15 27432 315 83 58.7 -58.7 77 14 27737 310 92 70.5 -59.1 78 14 28042 300 86 74.5 -43.0 79 12 28956 315 93 65.8 -65.8 80 11 29566 295 93 84.3 -39.3 81 10 30140 305 100 81.9 -57.4 Wind Parameters Energy-Hel index: -2.76 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.20251206.12.gif