UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:0000Z 2 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 1005 46 -19.5 -23.6 70 4.1 -20.0 50 8 253.3 253.4 252.8 254.8 0.57 1 1001 76 -19.7 -24.4 66 4.7 -20.3 66 6 253.4 253.5 252.8 254.8 0.53 2 1000 83 -19.5 -24.4 65 4.9 -20.1 70 6 253.6 253.7 253.0 255.1 0.53 3 968 326 -16.9 -22.9 60 6.0 -17.8 71 2 258.6 258.7 257.4 260.4 0.63 4 932 610 -17.9 -21.5 73 3.6 -18.4 25 6 260.4 260.6 259.0 262.5 0.73 5 925 666 -18.3 -21.7 75 3.4 -18.8 30 6 260.6 260.7 259.2 262.6 0.73 6 883 1011 -20.9 -21.7 93 0.8 -21.0 35 10 261.4 261.5 259.9 263.5 0.76 7 875 1078 -20.7 -21.1 97 0.4 -20.8 35 11 262.3 262.4 260.6 264.5 0.81 8 866 1154 -20.7 -24.5 72 3.8 -21.2 35 13 263.1 263.2 260.8 264.8 0.61 9 850 1292 -20.3 -23.3 77 3.0 -20.7 35 17 264.9 265.0 262.3 266.8 0.69 10 838 1398 -20.1 -22.6 80 2.5 -20.5 38 19 266.2 266.3 263.4 268.3 0.74 11 700 2712 -28.3 -35.3 51 7.0 -28.9 55 29 271.1 271.2 266.0 272.0 0.27 12 663 3098 -31.3 -39.3 45 8.0 -31.9 57 29 272.0 272.0 266.4 272.6 0.19 13 623 3535 -35.3 -40.1 61 4.8 -35.6 59 28 272.3 272.4 266.6 272.9 0.19 14 607 3715 -36.9 -42.9 54 6.0 -37.2 60 28 272.5 272.5 266.7 273.0 0.14 15 500 5020 -49.1 -53.0 64 3.9 -49.2 60 25 273.2 273.2 266.9 273.4 0.06 16 492 5126 -50.1 -53.4 68 3.3 -50.2 57 26 273.2 273.2 267.0 273.4 0.05 17 462 5537 -51.5 -58.5 43 7.0 -51.6 47 30 276.4 276.4 269.0 276.5 0.03 18 440 5854 -52.9 -56.4 66 3.5 -52.9 42 32 278.5 278.5 270.4 278.7 0.04 19 400 6470 -53.9 -58.9 54 5.0 -54.0 45 30 284.9 284.9 274.0 285.1 0.03 20 383 6747 -55.5 -61.5 47 6.0 -55.6 30 32 286.4 286.4 274.8 286.5 0.03 21 369 6984 -55.1 -65.1 28 10.0 -55.2 37 33 290.0 290.0 276.7 290.1 0.02 22 356 7212 -55.7 -63.7 36 8.0 -55.8 43 34 292.2 292.2 277.8 292.3 0.02 23 310 8091 -55.3 -70.3 14 15.0 -55.5 41 31 304.5 304.5 283.2 304.6 0.01 24 300 8300 -54.7 -72.7 9 18.0 -54.9 30 32 308.2 308.2 284.7 308.3 0.01 25 273 8914 -50.1 -76.1 3 26.0 -50.4 44 26 323.3 323.3 289.8 323.4 0.00 26 258 9284 -51.5 -78.5 3 27.0 -51.8 40 22 326.5 326.5 290.7 326.6 0.00 27 254 9386 -50.3 -79.3 2 29.0 -50.7 40 23 329.8 329.8 291.6 329.8 0.00 28 250 9490 -50.5 -79.5 2 29.0 -50.9 15 21 331.0 331.0 292.0 331.0 0.00 29 238 9809 -51.3 -80.3 2 29.0 -51.7 20 22 334.5 334.5 292.9 334.5 0.00 30 200 10940 -49.7 -81.7 1 32.0 -50.2 20 26 354.1 354.1 297.5 354.1 0.00 31 192 11207 -49.1 -82.1 1 33.0 -49.7 18 26 359.2 359.2 298.5 359.2 0.00 32 190 11275 -49.3 -82.3 1 33.0 -49.8 15 26 359.9 359.9 298.7 360.0 0.00 33 171 11967 -47.3 -82.3 1 35.0 -48.1 15 21 374.3 374.3 301.3 374.3 0.00 34 150 12830 -48.5 -82.5 1 34.0 -49.3 360 23 386.5 386.5 303.3 386.5 0.00 35 146 13008 -49.1 -83.1 1 34.0 -49.8 5 25 388.5 388.5 303.6 388.5 0.00 36 138 13378 -48.3 -83.3 1 35.0 -49.1 14 30 396.2 396.2 304.7 396.2 0.00 37 133 13622 -46.1 -82.1 1 36.0 -47.2 11 30 404.3 404.3 305.8 404.3 0.00 38 124 14090 -44.1 -82.1 1 38.0 -45.5 1 31 416.1 416.1 307.3 416.1 0.00 39 100 15530 -45.1 -82.1 1 37.0 -46.6 350 34 440.6 440.6 309.9 440.6 0.00 40 98 15665 -45.3 -82.3 1 37.0 -46.8 350 34 442.7 442.8 310.1 442.8 0.00 41 87 16467 -41.3 -81.3 1 40.0 -43.7 350 46 466.1 466.1 312.3 466.2 0.01 42 70 17940 -42.5 -82.5 0 40.0 -45.1 335 46 493.5 493.5 314.5 493.5 0.01 43 69 18037 -41.9 -81.9 1 40.0 -44.7 343 51 496.8 496.8 314.7 496.8 0.01 44 50 20180 -48.3 -85.3 1 37.0 -50.3 325 43 529.6 529.6 316.9 529.7 0.01 45 44 21017 -49.9 -85.9 1 36.0 -51.8 335 45 545.5 545.5 317.8 545.5 0.01 46 36 22334 -47.1 -85.1 1 38.0 -50.0 338 50 584.9 584.9 319.9 585.0 0.01 47 30 23530 -50.5 -86.5 1 36.0 -52.9 335 54 607.0 607.0 320.9 607.0 0.01 48 27 24217 -50.3 -86.3 1 36.0 -53.0 326 55 626.1 626.1 321.7 626.2 0.01 TRP 383 6747 -55.5 -61.5 47 6.0 -55.6 30 32 286.4 286.4 274.8 286.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 4937.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 63.33 % Est. max temperature: -8.47 C = 16.76 F Sfc-Lift cond lev (LCL): 939.32 mb = 551.10 m = 1808.06 ft T: -17.69 C 700-500 lapse rate: 9.01 C/km ThetaE index: 0.01 C Layer 1001.0-1000.0 mb Conv cond level (CCL): 748.92 mb = 2218.53 m = 7278.57 ft Mean mixing ratio: 0.66 g/kg Conv temperature: -3.46 C = 25.77 F Cap Strength: 10.78 C Lifted Index: 10.59 C Risk: None Lifted Index @300 mb: 33.93 C Lifted Index @700 mb: 10.29 C Showalter Index: 5.31 C Risk: None Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 25.80 C K Index: -1.50 Risk: None Sweat Index: 171.00 Risk: None Energy Index: 1.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.58 J/kg Max Up Vert Vel: 7.69 m/s Conv Inhibition (B-): 60661.19 J/kg Cap Strength: 10.79 C Lift Cond Lev (LCL): 887.08 mb = 976.44 m = 3203.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 85 at 18 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 1005 46 50 8 -6.1 -5.1 | 286 12 11.6 -3.4 1 1000 83 70 6 -5.6 -2.1 | 272 12 12.1 -0.3 2 971 305 75 2 -1.9 -0.5 | 266 16 15.8 1.2 3 932 610 25 6 -2.5 -5.4 | 284 16 15.2 -3.7 4 925 666 30 6 -3.0 -5.2 | 283 15 14.7 -3.5 5 894 914 35 8 -4.6 -6.6 | 290 14 13.2 -4.8 6 858 1219 35 14 -8.0 -11.5 | 315 14 9.7 -9.8 7 850 1292 35 17 -9.8 -13.9 | 327 15 8.0 -12.2 8 790 1829 50 28 -21.4 -18.0 | 13 17 -3.7 -16.3 9 758 2134 55 28 -22.9 -16.1 | 20 15 -5.2 -14.4 10 727 2438 55 29 -23.8 -16.6 | 22 16 -6.0 -14.9 11 700 2712 55 29 -23.8 -16.6 | 22 16 -6.0 -14.9 12 697 2743 55 29 -23.8 -16.6 | 22 16 -6.0 -14.9 13 610 3658 60 28 -24.2 -14.0 | 28 14 -6.5 -12.3 14 558 4267 65 28 -25.4 -11.8 | 37 13 -7.6 -10.1 15 511 4877 70 27 -25.4 -9.2 | 45 11 -7.6 -7.5 16 500 5020 60 25 -21.7 -12.5 | 20 11 -3.9 -10.8 17 444 5791 40 32 -20.6 -24.5 | 7 23 -2.8 -22.8 18 424 6096 50 33 -25.3 -21.2 | 21 21 -7.5 -19.5 19 400 6470 45 30 -21.2 -21.2 | 10 20 -3.5 -19.5 20 385 6706 30 29 -14.5 -25.1 | 352 24 3.2 -23.4 21 383 6747 30 32 -16.0 -27.7 | 356 26 1.7 -26.0 22 334 7620 55 35 -28.7 -20.1 | 31 21 -10.9 -18.4 23 318 7925 50 30 -23.0 -19.3 | 17 18 -5.2 -17.6 24 300 8300 30 32 -16.0 -27.7 | 356 26 1.7 -26.0 25 289 8534 25 31 -13.1 -28.1 | 350 27 4.6 -26.4 26 276 8839 45 27 -19.1 -19.1 | 4 17 -1.3 -17.4 27 264 9144 40 22 -14.1 -16.9 | 347 16 3.6 -15.1 28 252 9449 40 23 -14.8 -17.6 | 349 16 3.0 -15.9 29 250 9490 15 21 -5.4 -20.3 | 326 22 12.3 -18.6 30 240 9754 15 21 -5.4 -20.3 | 326 22 12.3 -18.6 31 229 10058 40 27 -17.4 -20.7 | 359 19 0.4 -19.0 32 209 10668 20 27 -9.2 -25.4 | 340 25 8.5 -23.7 33 200 10940 20 26 -8.9 -24.4 | 339 24 8.9 -22.7 34 199 10973 30 27 -13.5 -23.4 | 349 22 4.2 -21.7 35 190 11278 15 26 -6.7 -25.1 | 335 26 11.0 -23.4 36 181 11582 25 21 -8.9 -19.0 | 333 19 8.9 -17.3 37 151 12802 355 22 1.9 -21.9 | 316 28 19.7 -20.2 38 150 12830 360 23 -0.0 -23.0 | 320 28 17.7 -21.3 39 137 13411 15 30 -7.8 -29.0 | 340 29 10.0 -27.3 40 109 14935 345 33 8.5 -31.9 | 319 40 26.3 -30.2 41 104 15240 355 26 2.3 -25.9 | 320 31 20.0 -24.2 42 100 15530 350 34 5.9 -33.5 | 323 40 23.7 -31.8 43 95 15850 350 34 5.9 -33.5 | 323 40 23.7 -31.8 44 83 16764 350 52 9.0 -51.2 | 332 56 26.8 -49.5 45 70 17940 335 46 19.4 -41.7 | 317 55 37.2 -40.0 46 70 17983 345 52 13.5 -50.2 | 327 58 31.2 -48.5 47 66 18288 335 45 19.0 -40.8 | 317 54 36.8 -39.1 48 61 18898 350 45 7.8 -44.3 | 329 50 25.6 -42.6 49 50 20117 340 40 13.7 -37.6 | 319 48 31.4 -35.9 50 50 20180 325 43 24.7 -35.2 | 308 54 42.4 -33.5 51 48 20422 325 41 23.5 -33.6 | 308 52 41.3 -31.9 52 42 21336 340 47 16.1 -44.2 | 321 54 33.8 -42.5 53 30 23530 335 54 22.8 -48.9 | 319 62 40.6 -47.2 54 28 23774 325 55 31.5 -45.1 | 311 66 49.3 -43.3 55 22 24384 335 59 24.9 -53.5 | 320 67 42.7 -51.8 Wind Parameters Mean winds (0-6000m): 54.5 at 23.8 knts Storm direction: 84.5 at 17.8 knts Shear (0-3000m) pos: 3.3 neg: 0.6 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 97.3 deg Storm rel helicity (0-3000m) pos: 118.4 neg: -14.8 tot: 103.6 m^2/s^2 ave: 34.5 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.57 Bulk Shear: 51.69 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 59 4 271 14| 0.0 3.4 3.4| 13.3 -14.8 -1.5 -2.9 -0.11| 10.0 -1.1 1000 41 6 280 14| 0.0 1.8 1.8| 33.3 -14.8 18.6 18.6 0.27| 8.0 2.2 1500 39 9 295 13| 4.0 1.2 5.2| 78.4 -14.8 63.6 42.4 0.59| 9.5 5.6 2000 44 14 314 12| 4.7 0.9 5.6|111.5 -14.8 96.8 48.4 0.67| 9.3 6.2 2500 48 17 330 11| 4.0 0.7 4.7|116.2 -14.8 101.5 40.6 0.67| 7.8 5.2 3000 50 19 342 11| 3.3 0.6 3.9|118.4 -14.8 103.6 34.5 0.67| 6.6 4.4 4000 53 21 356 11| 2.5 0.5 2.9|127.1 -14.8 112.4 28.1 0.67| 5.4 3.6 5000 57 23 6 11| 2.0 0.7 2.7|134.8 -29.2 105.6 21.1 0.51| 5.2 2.6 6000 55 24 8 12| 1.9 1.2 3.1|158.9 -45.5 113.4 18.9 0.40| 5.7 2.3 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251202.00.gif