UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 7 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 -12.9 -15.3 82 2.4 -13.4 75 11 259.8 260.0 259.4 262.9 1.15 1 1000 93 -11.7 -14.2 82 2.5 -12.2 90 8 261.5 261.7 260.9 264.9 1.27 2 996 124 -11.5 -13.7 84 2.2 -12.0 99 8 262.0 262.2 261.4 265.5 1.33 3 964 373 -13.1 -14.2 91 1.1 -13.3 144 8 262.8 263.0 262.0 266.4 1.32 4 925 687 -14.7 -16.0 90 1.3 -15.0 110 2 264.3 264.5 262.9 267.5 1.18 5 874 1115 -15.9 -17.7 86 1.8 -16.3 140 4 267.4 267.5 264.9 270.4 1.09 6 850 1324 -17.5 -19.4 85 1.9 -17.9 145 7 267.8 268.0 265.0 270.5 0.97 7 700 2751 -27.3 -28.9 86 1.6 -27.5 100 12 272.3 272.3 267.2 273.7 0.50 8 685 2906 -28.3 -30.5 81 2.2 -28.5 103 13 272.8 272.9 267.4 274.2 0.44 9 582 4058 -34.1 -36.2 81 2.1 -34.3 109 32 279.1 279.1 271.1 280.0 0.30 10 546 4501 -37.7 -42.0 64 4.3 -37.9 112 37 279.9 280.0 271.4 280.5 0.17 11 500 5100 -42.7 -46.2 68 3.5 -42.8 120 51 281.0 281.0 271.9 281.4 0.12 12 478 5402 -45.1 -48.2 71 3.1 -45.2 120 54 281.7 281.7 272.3 282.0 0.10 13 473 5473 -45.3 -52.3 45 7.0 -45.5 120 55 282.3 282.3 272.6 282.5 0.06 14 471 5501 -45.1 -61.1 15 16.0 -45.4 120 55 282.8 282.8 272.8 282.9 0.02 15 467 5558 -45.3 -54.3 36 9.0 -45.5 120 56 283.3 283.3 273.2 283.5 0.05 16 458 5688 -46.3 -52.3 51 6.0 -46.4 120 57 283.6 283.6 273.3 283.8 0.07 17 454 5746 -46.5 -57.5 28 11.0 -46.7 120 58 284.1 284.1 273.6 284.2 0.04 18 447 5849 -46.5 -59.5 21 13.0 -46.7 120 59 285.3 285.3 274.2 285.4 0.03 19 442 5924 -46.9 -59.9 21 13.0 -47.1 120 60 285.8 285.8 274.5 285.9 0.03 20 431 6091 -47.7 -59.7 24 12.0 -47.9 120 62 286.8 286.8 275.0 286.9 0.03 21 427 6152 -47.9 -52.9 56 5.0 -48.0 121 62 287.3 287.3 275.4 287.5 0.07 22 401 6564 -51.4 -52.8 84 1.4 -51.4 125 64 288.0 288.0 275.7 288.3 0.07 23 400 6580 -51.5 -52.8 86 1.3 -51.5 125 64 288.1 288.1 275.8 288.3 0.07 24 386 6811 -53.1 -56.8 64 3.7 -53.2 125 63 288.9 288.9 276.2 289.1 0.05 25 376 6980 -54.5 -56.4 79 1.9 -54.5 125 62 289.2 289.2 276.3 289.4 0.05 26 367 7135 -55.1 -60.0 54 4.9 -55.2 125 60 290.4 290.4 276.9 290.6 0.03 27 314 8124 -59.3 -66.3 40 7.0 -59.4 125 54 297.8 297.8 280.4 297.9 0.02 28 300 8410 -59.1 -69.1 26 10.0 -59.2 125 46 302.0 302.0 282.2 302.1 0.01 29 271 9047 -57.1 -74.1 10 17.0 -57.2 125 36 313.9 313.9 286.7 313.9 0.01 30 256 9409 -54.1 -75.1 6 21.0 -54.4 129 28 323.4 323.4 289.8 323.5 0.01 31 250 9560 -54.5 -78.5 4 24.0 -54.7 115 25 325.0 325.0 290.3 325.1 0.00 32 235 9957 -53.1 -78.1 3 25.0 -53.4 110 23 333.0 333.0 292.5 333.0 0.00 33 213 10586 -55.3 -81.3 3 26.0 -55.5 117 20 339.0 339.0 294.1 339.0 0.00 34 205 10831 -52.9 -80.9 2 28.0 -53.2 115 25 346.5 346.5 295.8 346.6 0.00 35 200 10990 -53.5 -81.5 2 28.0 -53.8 100 24 348.0 348.0 296.2 348.1 0.00 36 179 11702 -54.9 -82.9 2 28.0 -55.2 98 12 357.0 357.0 298.1 357.0 0.00 37 176 11811 -53.1 -82.1 2 29.0 -53.5 105 14 361.7 361.7 299.0 361.7 0.00 38 162 12341 -56.3 -83.3 2 27.0 -56.6 108 17 365.0 365.0 299.7 365.0 0.00 39 150 12830 -56.7 -83.7 2 27.0 -57.0 90 14 372.4 372.4 301.0 372.4 0.00 40 146 13001 -57.5 -84.5 2 27.0 -57.8 90 15 373.9 373.9 301.2 373.9 0.00 41 140 13269 -54.5 -84.5 1 30.0 -54.9 108 17 383.7 383.7 302.8 383.7 0.00 42 127 13890 -57.3 -85.3 2 28.0 -57.6 132 5 389.5 389.5 303.7 389.5 0.00 43 100 15400 -58.3 -86.3 2 28.0 -58.7 100 7 415.1 415.1 307.2 415.1 0.00 44 80 16792 -61.3 -87.3 2 26.0 -61.6 55 10 436.3 436.3 309.5 436.3 0.00 45 70 17620 -60.9 -87.9 2 27.0 -61.3 330 10 454.1 454.1 311.3 454.1 0.00 46 54 19225 -61.9 -88.9 2 27.0 -62.3 360 16 486.8 486.8 314.0 486.8 0.00 47 50 19700 -61.5 -88.5 2 27.0 -62.0 355 27 498.6 498.6 314.8 498.6 0.00 48 34 22113 -58.1 -88.1 1 30.0 -59.1 337 46 565.6 565.6 318.9 565.7 0.00 49 30 22900 -59.1 -89.1 1 30.0 -60.1 335 53 583.5 583.5 319.8 583.6 0.00 50 20 25420 -61.5 -89.5 1 28.0 -62.6 330 52 647.9 647.9 322.6 648.0 0.01 51 18 26071 -63.3 -90.3 1 27.0 -64.3 334 57 662.1 662.1 323.2 662.1 0.01 52 17 26425 -61.1 -90.1 1 29.0 -62.4 331 71 680.0 680.0 323.8 680.1 0.01 53 15 27197 -64.5 -91.5 1 27.0 -65.5 317 66 693.5 693.5 324.2 693.6 0.01 54 13 28080 -60.7 -89.7 1 29.0 -62.4 322 69 735.6 735.7 325.6 735.7 0.01 55 10 29710 -61.7 -89.7 1 28.0 -63.6 305 81 789.2 789.2 327.0 789.3 0.01 56 8.8 30498 -63.5 -91.5 1 28.0 -65.3 811.7 811.7 327.5 811.7 0.01 57 8.5 30713 -60.5 -90.5 1 30.0 -63.0 831.5 831.5 328.0 831.6 0.01 58 7.6 31407 -62.1 -90.1 1 28.0 -64.4 852.1 852.1 328.4 852.2 0.01 59 6.5 32385 -57.3 -88.3 1 31.0 -61.3 911.3 911.3 329.7 911.5 0.02 60 6.0 32889 -59.3 -89.3 1 30.0 -62.9 923.8 923.8 329.9 924.0 0.02 61 4.6 34567 -55.7 -87.7 1 32.0 -61.4 1013.5 1013.5 331.4 1013.9 0.04 TRP 314 8124 -59.3 -66.3 40 7.0 -59.4 125 54 297.8 297.8 280.4 297.9 0.02 WND 401 6564 -51.4 -52.8 84 1.4 -51.4 125 64 288.0 288.0 275.7 288.3 0.07 Sounding variables and indices 1000-500 mb thick: 5007.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 81.45 % Est. max temperature: -4.99 C = 23.01 F Sfc-Lift cond lev (LCL): 967.68 mb = 344.20 m = 1129.24 ft T: -12.91 C 700-500 lapse rate: 6.56 C/km ThetaE index: 0.00 C Layer 1006.0-6977149140605635270305172684800.0 mb Conv cond level (CCL): 872.50 mb = 1127.89 m = 3700.40 ft Mean mixing ratio: 1.26 g/kg Conv temperature: -5.31 C = 22.43 F Cap Strength: 11.44 C Lifted Index: 11.89 C Risk: None Lifted Index @300 mb: 25.11 C Lifted Index @700 mb: 5.96 C Showalter Index: 8.73 C Risk: None Total Totals Index: 48.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 23.30 C K Index: 4.20 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 2.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.94 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 69825.68 J/kg Cap Strength: 11.89 C Lift Cond Lev (LCL): 931.77 mb = 631.60 m = 2072.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 145 at 19 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 1006 46 75 11 -10.6 -2.8 | 359 18 0.2 -18.1 1 1000 93 90 8 -8.0 0.0 | 350 16 2.8 -15.3 2 973 305 155 9 -3.8 8.2 | 315 10 7.0 -7.1 3 934 610 105 3 -2.9 0.8 | 331 17 7.9 -14.5 4 925 687 110 2 -1.9 0.7 | 329 17 8.9 -14.6 5 897 914 150 2 -1.0 1.7 | 324 17 9.8 -13.5 6 862 1219 135 5 -3.5 3.5 | 328 14 7.3 -11.7 7 850 1324 145 7 -4.0 5.7 | 325 12 6.8 -9.5 8 794 1829 95 11 -11.0 1.0 | 1 14 -0.2 -14.3 9 761 2134 95 13 -13.0 1.1 | 9 14 -2.1 -14.1 10 730 2438 95 12 -12.0 1.0 | 5 14 -1.1 -14.2 11 701 2743 95 12 -12.0 1.0 | 5 14 -1.1 -14.2 12 700 2751 100 12 -11.8 2.1 | 4 13 -1.0 -13.2 13 671 3048 105 13 -12.6 3.4 | 8 12 -1.8 -11.9 14 642 3353 90 19 -19.0 0.0 | 28 17 -8.2 -15.3 15 615 3658 115 31 -28.1 13.1 | 83 17 -17.3 -2.2 16 563 4267 105 33 -31.9 8.5 | 72 22 -21.1 -6.7 17 516 4877 125 44 -36.0 25.2 | 112 27 -25.2 10.0 18 500 5100 120 51 -44.2 25.5 | 107 35 -33.4 10.2 19 430 6096 120 62 -53.7 31.0 | 110 46 -42.9 15.7 20 401 6564 125 64 -52.4 36.7 | 117 47 -41.6 21.4 21 400 6580 125 64 -52.4 36.7 | 117 47 -41.6 21.4 22 392 6706 125 64 -52.4 36.7 | 117 47 -41.6 21.4 23 340 7620 125 56 -45.9 32.1 | 116 39 -35.1 16.9 24 314 8124 125 54 -44.2 31.0 | 115 37 -33.4 15.7 25 309 8230 125 54 -44.2 31.0 | 115 37 -33.4 15.7 26 300 8410 125 46 -37.7 26.4 | 112 29 -26.9 11.1 27 267 9144 125 35 -28.7 20.1 | 105 19 -17.9 4.8 28 254 9449 130 27 -20.7 17.4 | 102 10 -9.9 2.1 29 250 9560 115 25 -22.7 10.6 | 68 13 -11.9 -4.7 30 243 9754 110 27 -25.4 9.2 | 68 16 -14.6 -6.0 31 221 10363 110 15 -14.1 5.1 | 18 11 -3.3 -10.1 32 210 10668 120 22 -19.1 11.0 | 63 9 -8.2 -4.3 33 201 10973 110 27 -25.4 9.2 | 68 16 -14.6 -6.0 34 200 10990 100 24 -23.6 4.2 | 49 17 -12.8 -11.1 35 191 11278 115 15 -13.6 6.3 | 17 9 -2.8 -8.9 36 182 11582 90 10 -10.0 0.0 | 357 15 0.8 -15.3 37 166 12192 130 20 -15.3 12.9 | 62 5 -4.5 -2.4 38 158 12497 85 14 -13.9 -1.2 | 11 17 -3.1 -16.5 39 150 12830 90 14 -14.0 0.0 | 12 16 -3.2 -15.3 40 144 13106 90 15 -15.0 0.0 | 15 16 -4.2 -15.3 41 137 13411 125 18 -14.7 10.3 | 39 6 -3.9 -4.9 42 130 13716 160 10 -3.4 9.4 | 308 9 7.4 -5.9 43 124 14021 110 1 -0.9 0.3 | 327 18 9.9 -14.9 44 118 14326 30 10 -5.0 -8.7 | 346 25 5.8 -23.9 45 113 14630 60 14 -12.1 -7.0 | 3 22 -1.3 -22.3 46 103 15240 55 10 -8.2 -5.7 | 353 21 2.6 -21.0 47 100 15400 100 7 -6.9 1.2 | 344 15 3.9 -14.0 48 98 15545 100 7 -6.9 1.2 | 344 15 3.9 -14.0 49 84 16459 90 10 -10.0 0.0 | 357 15 0.8 -15.3 50 76 17069 25 10 -4.2 -9.1 | 345 25 6.6 -24.3 51 70 17620 330 10 5.0 -8.7 | 327 29 15.8 -23.9 52 69 17678 35 10 -5.7 -8.2 | 348 24 5.1 -23.5 53 66 17983 330 10 5.0 -8.7 | 327 29 15.8 -23.9 54 63 18288 5 20 -1.7 -19.9 | 346 36 9.1 -35.2 55 60 18593 345 26 6.7 -25.1 | 337 44 17.5 -40.4 56 57 18898 5 19 -1.7 -18.9 | 345 35 9.2 -34.2 57 54 19202 360 16 -0.0 -16.0 | 341 33 10.8 -31.3 58 50 19700 355 27 2.4 -26.9 | 343 44 13.2 -42.2 59 49 19812 355 20 1.7 -19.9 | 340 37 12.5 -35.2 60 42 20726 320 33 21.2 -25.3 | 322 52 32.0 -40.5 61 40 21031 345 27 7.0 -26.1 | 337 45 17.8 -41.3 62 39 21336 335 39 16.5 -35.3 | 332 57 27.3 -50.6 63 37 21641 325 37 21.2 -30.3 | 325 56 32.0 -45.6 64 33 22250 340 49 16.8 -46.0 | 336 67 27.6 -61.3 65 32 22555 325 33 18.9 -27.0 | 325 52 29.7 -42.3 66 30 22900 335 53 22.4 -48.0 | 332 71 33.2 -63.3 67 27 23470 335 63 26.6 -57.1 | 333 81 37.4 -72.4 68 22 24689 310 78 59.8 -50.1 | 313 96 70.6 -65.4 69 20 25420 330 52 26.0 -45.0 | 329 71 36.8 -60.3 70 18 25908 335 51 21.6 -46.2 | 332 69 32.4 -61.5 71 17 26518 330 74 37.0 -64.1 | 329 93 47.8 -79.3 72 16 26822 320 62 39.9 -47.5 | 321 81 50.7 -62.8 73 14 27432 315 68 48.1 -48.1 | 317 86 58.9 -63.3 74 14 27737 325 80 45.9 -65.5 | 325 99 56.7 -80.8 75 12 28346 320 61 39.2 -46.7 | 321 80 50.0 -62.0 76 10 29710 305 81 66.4 -46.5 | 309 99 77.2 -61.7 77 9 29870 305 85 69.6 -48.8 | 309 103 80.4 -64.0 Wind Parameters Mean winds (0-6000m): 114.7 at 24.9 knts Storm direction: 144.7 at 18.7 knts Shear (0-3000m) pos: 1.9 neg: 1.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 8.9 deg Storm rel helicity (0-3000m) pos: 42.7 neg: -43.2 tot: -0.5 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: 0.02 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 40.62 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 ------------------------------------------------------------------------------- 500 128 8 336 12| 8.5 0.0 8.5| 7.0 -27.7 -20.7 -41.3 -0.35| 17.9 -6.2 1000 129 5 330 14| 5.3 0.0 5.3| 7.9 -38.3 -30.3 -30.3 -0.37| 11.4 -4.2 1500 132 5 330 13| 3.5 2.0 5.5| 19.6 -39.5 -19.9 -13.3 -0.17| 10.0 -1.7 2000 118 7 338 13| 2.6 2.7 5.3| 37.8 -39.5 -1.7 -0.8 0.02| 9.3 0.1 2500 110 8 345 13| 2.1 2.1 4.2| 39.9 -43.1 -3.3 -1.3 0.00| 7.7 0.0 3000 107 9 349 13| 1.9 1.7 3.7| 42.7 -43.2 -0.5 -0.2 0.02| 6.8 0.2 4000 107 13 7 12| 2.3 1.3 3.6|130.0 -52.2 77.8 19.5 0.30| 8.5 2.5 5000 111 18 35 11| 3.8 1.0 4.8|231.4 -68.1 163.3 32.7 0.36| 9.4 3.4 6000 115 25 68 13| 3.2 1.8 5.0|252.0 -73.0 178.9 29.8 0.33| 8.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251207.12.gif