UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:1200Z 1 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 40 40 26 SFC 999 46 -22.9 -26.0 76 3.1 -23.2 40 26 250.3 250.4 250.0 251.6 0.46 2 990 113 -16.1 -22.1 60 6.0 -17.0 43 26 257.8 257.9 256.8 259.6 0.66 3 955 386 -15.1 -24.1 46 9.0 -16.4 55 23 261.5 261.6 259.5 263.1 0.57 4 950 426 -15.3 -24.3 46 9.0 -16.7 58 22 261.7 261.8 259.6 263.2 0.56 5 925 627 -16.9 -23.9 55 7.0 -17.9 70 17 262.0 262.1 260.0 263.7 0.60 6 879 1007 -20.1 -27.1 54 7.0 -21.0 92 12 262.6 262.6 260.2 263.9 0.47 7 850 1254 -22.3 -26.3 70 4.0 -22.8 80 13 262.8 262.9 260.5 264.3 0.52 8 817 1543 -24.7 -25.9 90 1.2 -24.8 70 18 263.2 263.3 260.9 264.8 0.57 9 798 1714 -25.3 -30.3 63 5.0 -25.8 70 18 264.4 264.4 261.3 265.5 0.39 10 759 2077 -27.3 -36.3 42 9.0 -28.0 66 21 266.0 266.1 262.3 266.7 0.23 11 728 2376 -28.9 -37.9 42 9.0 -29.6 69 26 267.5 267.5 263.3 268.1 0.20 12 703 2625 -30.9 -35.9 61 5.0 -31.3 74 30 267.9 268.0 263.7 268.7 0.25 13 700 2655 -31.1 -37.1 56 6.0 -31.5 75 30 268.0 268.1 263.7 268.7 0.23 14 676 2902 -32.7 -40.7 45 8.0 -33.2 76 32 268.9 269.0 264.2 269.4 0.16 15 651 3167 -34.3 -38.1 68 3.8 -34.6 78 37 270.0 270.1 265.1 270.7 0.22 16 636 3330 -35.1 -39.5 64 4.4 -35.4 80 39 270.9 271.0 265.7 271.5 0.19 17 620 3507 -36.5 -40.5 66 4.0 -36.7 80 40 271.3 271.4 265.9 271.9 0.18 18 617 3540 -36.5 -38.8 79 2.3 -36.6 80 39 271.7 271.7 266.3 272.4 0.22 19 602 3711 -37.5 -42.1 62 4.6 -37.7 80 39 272.5 272.5 266.7 273.0 0.16 20 559 4219 -40.9 -46.9 52 6.0 -41.1 84 35 274.3 274.3 267.7 274.6 0.10 21 500 4970 -46.1 -52.1 51 6.0 -46.3 85 27 276.8 276.8 269.3 277.0 0.06 22 490 5103 -47.3 -51.5 62 4.2 -47.4 84 27 277.0 277.0 269.4 277.2 0.07 23 482 5211 -47.7 -53.7 50 6.0 -47.9 84 27 277.8 277.8 269.9 278.0 0.05 24 471 5363 -48.5 -52.2 65 3.7 -48.6 83 27 278.6 278.6 270.4 278.8 0.06 25 448 5689 -50.5 -57.5 43 7.0 -50.6 82 27 280.1 280.1 271.3 280.3 0.04 26 425 6030 -52.1 -57.1 55 5.0 -52.2 80 27 282.3 282.3 272.6 282.5 0.04 27 417 6152 -51.7 -60.7 33 9.0 -51.8 78 27 284.4 284.4 273.7 284.5 0.03 28 400 6420 -52.9 -60.9 37 8.0 -53.0 65 25 286.2 286.2 274.8 286.3 0.03 29 387 6634 -53.7 -61.7 37 8.0 -53.8 70 29 287.9 287.9 275.6 288.0 0.02 30 351 7263 -54.3 -66.3 22 12.0 -54.4 63 28 295.2 295.3 279.2 295.3 0.01 31 300 8280 -50.9 -72.9 6 22.0 -51.2 35 27 313.6 313.6 286.6 313.6 0.01 32 299 8302 -50.3 -72.3 6 22.0 -50.6 34 27 314.8 314.8 287.0 314.8 0.01 33 291 8478 -51.1 -74.1 5 23.0 -51.4 23 25 316.1 316.1 287.5 316.1 0.01 34 282 8684 -49.3 -76.3 3 27.0 -49.7 22 22 321.5 321.5 289.2 321.5 0.00 35 272 8919 -50.9 -76.9 3 26.0 -51.2 26 21 322.5 322.5 289.5 322.5 0.00 36 250 9470 -49.7 -79.7 2 30.0 -50.1 25 29 332.2 332.2 292.3 332.2 0.00 37 242 9684 -48.9 -79.9 2 31.0 -49.4 29 30 336.5 336.5 293.4 336.5 0.00 38 230 10018 -49.5 -80.5 1 31.0 -50.0 17 33 340.5 340.5 294.4 340.5 0.00 39 218 10371 -47.1 -80.1 1 33.0 -47.7 20 26 349.5 349.5 296.5 349.5 0.00 40 202 10874 -48.9 -81.9 1 33.0 -49.4 10 22 354.3 354.3 297.5 354.3 0.00 41 200 10940 -48.3 -81.3 1 33.0 -48.9 5 23 356.3 356.3 298.0 356.3 0.00 42 162 12329 -47.7 -82.7 1 35.0 -48.5 3 32 379.4 379.4 302.2 379.4 0.00 43 152 12752 -45.9 -81.9 1 36.0 -46.9 356 27 389.5 389.5 303.7 389.5 0.00 44 150 12840 -46.1 -82.1 1 36.0 -47.1 5 30 390.6 390.6 303.9 390.6 0.00 45 124 14103 -47.1 -83.1 1 36.0 -48.1 341 21 410.7 410.7 306.6 410.7 0.00 TRP 387 6634 -53.7 -61.7 37 8.0 -53.8 70 29 287.9 287.9 275.6 288.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4930.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 57.04 % Est. max temperature: -10.43 C = 13.23 F Sfc-Lift cond lev (LCL): 948.82 mb = 435.00 m = 1427.13 ft T: -15.37 C 700-500 lapse rate: 6.48 C/km ThetaE index: 0.00 C Layer 999.0- -0.0 mb Conv cond level (CCL): 783.68 mb = 1845.29 m = 6054.03 ft Mean mixing ratio: 0.58 g/kg Conv temperature: -8.25 C = 17.15 F Cap Strength: 10.47 C Lifted Index: 12.12 C Risk: None Lifted Index @300 mb: 36.50 C Lifted Index @700 mb: 5.97 C Showalter Index: 10.39 C Risk: None Total Totals Index: 43.60 C Risk: None Vertical Totals Index: 23.80 C Cross Totals Index: 19.80 C K Index: -8.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.78 J/kg Max Up Vert Vel: 7.18 m/s Conv Inhibition (B-): 18448.19 J/kg Cap Strength: 12.10 C Lift Cond Lev (LCL): 841.00 mb = 1331.77 m = 4369.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 108 at 20 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 ---------------------------------------------------------- 0 999 46 40 26 -16.7 -19.9 | 354 26 2.5 -26.1 1 965 305 50 25 -19.2 -16.1 | 360 22 0.1 -22.3 2 927 610 70 18 -16.9 -6.2 | 349 13 2.3 -12.4 3 925 627 70 17 -16.0 -5.8 | 345 12 3.3 -12.0 4 890 914 95 12 -12.0 1.0 | 305 9 7.3 -5.2 5 854 1219 85 13 -13.0 -1.1 | 319 10 6.3 -7.3 6 850 1254 80 13 -12.8 -2.3 | 323 11 6.5 -8.5 7 819 1524 70 18 -16.9 -6.2 | 349 13 2.3 -12.4 8 785 1829 70 18 -16.9 -6.2 | 349 13 2.3 -12.4 9 752 2134 65 22 -19.9 -9.3 | 3 16 -0.7 -15.5 10 721 2438 70 27 -25.4 -9.2 | 22 17 -6.1 -15.4 11 700 2655 75 30 -29.0 -7.8 | 35 17 -9.7 -14.0 12 691 2743 75 30 -29.0 -7.8 | 35 17 -9.7 -14.0 13 632 3353 80 40 -39.4 -6.9 | 57 24 -20.1 -13.2 14 605 3658 80 39 -38.4 -6.8 | 56 23 -19.1 -13.0 15 554 4267 85 35 -34.9 -3.1 | 59 18 -15.6 -9.3 16 507 4877 90 28 -28.0 0.0 | 55 11 -8.7 -6.2 17 500 4970 85 27 -26.9 -2.4 | 42 11 -7.6 -8.6 18 420 6096 80 27 -26.6 -4.7 | 34 13 -7.3 -10.9 19 400 6420 65 25 -22.7 -10.6 | 11 17 -3.4 -16.8 20 387 6634 70 29 -27.3 -9.9 | 26 18 -8.0 -16.1 21 383 6706 70 29 -27.3 -9.9 | 26 18 -8.0 -16.1 22 365 7010 50 25 -19.2 -16.1 | 360 22 0.1 -22.3 23 348 7315 65 29 -26.3 -12.3 | 21 20 -7.0 -18.5 24 332 7620 50 31 -23.7 -19.9 | 10 27 -4.5 -26.1 25 300 8280 35 27 -15.5 -22.1 | 352 29 3.8 -28.3 26 289 8534 20 25 -8.6 -23.5 | 340 32 10.7 -29.7 27 275 8839 25 19 -8.0 -17.2 | 334 26 11.2 -23.4 28 263 9144 30 26 -13.0 -22.5 | 348 29 6.3 -28.7 29 251 9449 20 26 -8.9 -24.4 | 341 32 10.4 -30.6 30 250 9470 25 29 -12.3 -26.3 | 348 33 7.0 -32.5 31 239 9754 30 30 -15.0 -26.0 | 352 32 4.3 -32.2 32 229 10058 15 34 -8.8 -32.8 | 345 40 10.5 -39.0 33 208 10668 25 18 -7.6 -16.3 | 333 25 11.7 -22.5 34 200 10940 5 23 -2.0 -22.9 | 329 34 17.3 -29.1 35 190 11278 5 22 -1.9 -21.9 | 328 33 17.3 -28.1 36 173 11887 355 28 2.4 -27.9 | 328 40 21.7 -34.1 37 165 12192 5 33 -2.9 -32.9 | 337 42 16.4 -39.1 38 151 12802 355 27 2.4 -26.9 | 327 40 21.6 -33.1 39 150 12840 5 30 -2.6 -29.9 | 335 40 16.6 -36.1 40 142 13106 10 31 -5.4 -30.5 | 339 39 13.9 -36.7 41 125 13716 340 21 7.2 -19.7 | 314 37 26.4 -25.9 42 110 14326 350 25 4.3 -24.6 | 323 39 23.6 -30.8 Wind Parameters Mean winds (0-6000m): 77.9 at 27.0 knts Storm direction: 107.9 at 20.2 knts Shear (0-3000m) pos: 4.0 neg: 1.9 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 52.7 deg Storm rel helicity (0-3000m) pos: 107.0 neg: -31.3 tot: 75.7 m^2/s^2 ave: 25.2 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 8.7 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.25 Bulk Shear: 20.68 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 50 24 358 22| 12.3 0.0 12.3| 14.1 -7.3 6.8 13.5 0.04| 13.1 0.6 1000 61 19 351 16| 10.6 0.0 10.6| 15.9 -31.3 -15.5 -15.5 -0.30| 12.4 -3.8 1500 66 18 347 14| 7.0 2.7 9.7| 36.1 -31.3 4.7 3.1 -0.01| 11.0 -0.1 2000 67 18 348 13| 5.3 2.8 8.1| 44.6 -31.3 13.2 6.6 0.06| 9.1 0.6 2500 67 19 354 14| 4.2 2.2 6.4| 78.6 -31.3 47.3 18.9 0.23| 9.0 2.1 3000 70 21 3 14| 4.0 1.9 5.9|107.0 -31.3 75.7 25.2 0.32| 8.7 2.8 4000 74 26 22 14| 3.5 1.4 4.9|133.0 -33.2 99.8 24.9 0.34| 7.8 2.6 5000 77 27 30 14| 2.9 1.0 3.9|134.9 -44.7 90.1 18.0 0.24| 7.4 1.7 6000 78 27 31 14| 2.4 1.0 3.4|134.9 -49.6 85.3 14.2 0.21| 6.4 1.3 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251201.12.gif