UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for CYRB... Searching the city database file for: CYRB ... Date:0000Z 31 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 1030 46 -33.9 -37.2 72 3.3 -34.0 350 5 237.2 237.3 237.2 237.6 0.15 1 1027 66 -32.1 -34.6 78 2.5 -32.2 348 5 239.2 239.2 239.2 239.7 0.20 2 1003 232 -30.9 -33.8 76 2.9 -31.1 328 9 242.0 242.1 241.9 242.6 0.22 3 1000 253 -30.3 -33.0 77 2.7 -30.4 325 10 242.9 242.9 242.7 243.5 0.24 4 989 332 -27.3 -30.0 78 2.7 -27.5 323 10 246.6 246.7 246.4 247.5 0.32 5 960 548 -24.7 -27.9 75 3.2 -25.0 344 11 251.4 251.4 250.8 252.5 0.40 6 925 818 -24.7 -26.8 83 2.1 -24.9 360 10 254.1 254.1 253.2 255.3 0.46 7 916 889 -24.9 -26.6 86 1.7 -25.1 356 11 254.6 254.6 253.7 255.9 0.47 8 850 1433 -25.1 -27.9 77 2.8 -25.4 355 16 259.9 259.9 258.0 261.1 0.45 9 824 1659 -25.5 -28.9 73 3.4 -25.8 358 17 261.7 261.8 259.4 263.0 0.43 10 812 1765 -26.3 -29.2 76 2.9 -26.6 359 17 262.0 262.1 259.6 263.2 0.42 11 767 2176 -27.7 -34.7 51 7.0 -28.3 19 21 264.8 264.8 261.4 265.6 0.26 12 748 2356 -28.1 -45.1 18 17.0 -29.0 16 20 266.3 266.3 262.2 266.6 0.09 13 720 2629 -29.3 -50.3 11 21.0 -30.3 18 20 267.9 267.9 263.2 268.0 0.05 14 701 2820 -30.3 -49.3 14 19.0 -31.2 16 20 268.8 268.8 263.9 269.0 0.06 15 700 2830 -30.3 -48.3 16 18.0 -31.2 15 20 268.9 268.9 264.0 269.1 0.07 16 680 3036 -31.3 -38.3 50 7.0 -31.8 10 21 270.1 270.1 265.1 270.7 0.21 17 661 3237 -32.7 -38.7 55 6.0 -33.1 19 20 270.7 270.7 265.6 271.3 0.20 18 529 4785 -40.1 -56.1 16 16.0 -40.6 24 44 279.6 279.6 270.9 279.7 0.04 19 500 5170 -41.3 -57.3 16 16.0 -41.7 25 49 282.7 282.7 272.8 282.8 0.03 20 485 5376 -41.7 -61.7 10 20.0 -42.2 25 52 284.7 284.7 273.9 284.7 0.02 21 480 5447 -41.9 -57.9 16 16.0 -42.3 25 53 285.3 285.3 274.2 285.4 0.03 22 468 5618 -42.9 -62.9 9 20.0 -43.3 25 56 286.1 286.1 274.6 286.2 0.02 23 400 6670 -45.3 -65.3 9 20.0 -45.7 20 66 296.1 296.1 279.6 296.2 0.01 24 383 6959 -45.3 -66.3 8 21.0 -45.7 22 68 299.8 299.8 281.3 299.9 0.01 25 366 7260 -46.8 -67.3 8 20.5 -47.1 25 71 301.8 301.8 282.1 301.8 0.01 26 320 8140 -51.1 -70.1 9 19.0 -51.4 25 60 307.6 307.6 284.4 307.6 0.01 27 313 8284 -50.3 -69.3 9 19.0 -50.6 25 57 310.7 310.7 285.6 310.7 0.01 28 300 8560 -51.3 -72.3 6 21.0 -51.6 25 50 313.0 313.0 286.4 313.1 0.01 29 284 8914 -52.5 -78.5 3 26.0 -52.8 25 43 316.3 316.3 287.5 316.3 0.00 30 267 9314 -51.1 -79.1 2 28.0 -51.4 25 35 323.9 323.9 290.0 324.0 0.00 31 250 9740 -52.1 -80.1 2 28.0 -52.4 25 27 328.6 328.6 291.3 328.6 0.00 32 248 9792 -52.1 -81.1 2 29.0 -52.4 24 27 329.4 329.4 291.5 329.4 0.00 33 244 9898 -50.9 -79.9 2 29.0 -51.2 23 27 332.7 332.7 292.4 332.7 0.00 34 200 11190 -52.5 -82.5 1 30.0 -52.9 5 23 349.6 349.6 296.5 349.6 0.00 35 199 11222 -52.5 -82.5 1 30.0 -52.9 11 22 350.1 350.1 296.7 350.1 0.00 36 190 11521 -51.5 -82.5 1 31.0 -52.0 0 23 356.4 356.4 298.0 356.4 0.00 37 183 11763 -53.3 -83.3 1 30.0 -53.7 2 22 357.3 357.3 298.2 357.3 0.00 38 164 12466 -54.1 -84.1 1 30.0 -54.5 7 16 367.4 367.4 300.1 367.4 0.00 39 154 12871 -52.5 -83.5 1 31.0 -52.9 358 20 376.8 376.8 301.7 376.8 0.00 40 150 13040 -53.1 -84.1 1 31.0 -53.5 355 22 378.6 378.6 302.0 378.6 0.00 41 136 13667 -55.7 -85.7 1 30.0 -56.1 7 27 384.7 384.7 303.0 384.7 0.00 42 132 13857 -54.1 -85.1 1 31.0 -54.6 7 28 390.9 390.9 303.9 390.9 0.00 43 123 14306 -57.3 -86.3 1 29.0 -57.6 357 30 393.0 393.0 304.2 393.1 0.00 44 118 14569 -55.9 -85.9 1 30.0 -56.3 352 31 400.3 400.3 305.2 400.3 0.00 45 100 15610 -60.3 -87.3 2 27.0 -60.6 10 38 411.2 411.2 306.7 411.2 0.00 46 83 16770 -61.5 -87.5 2 26.0 -61.8 350 48 431.3 431.3 309.0 431.3 0.00 47 80 16998 -63.5 -88.5 2 25.0 -63.7 350 50 431.7 431.7 309.0 431.7 0.00 48 70 17820 -63.1 -88.1 2 25.0 -63.4 350 58 449.4 449.4 310.8 449.4 0.00 49 50 19870 -67.5 -90.5 2 23.0 -67.7 345 56 484.4 484.4 313.8 484.4 0.00 50 36 21842 -68.9 -90.9 3 22.0 -69.2 347 78 528.5 528.5 316.8 528.5 0.00 51 30 22940 -66.1 -91.1 2 25.0 -66.5 355 76 564.4 564.4 318.9 564.5 0.00 52 29 23145 -65.9 -90.9 2 25.0 -66.4 355 78 570.5 570.5 319.2 570.5 0.00 53 20 25380 -69.1 -93.1 2 24.0 -69.5 350 95 624.7 624.7 321.7 624.7 0.00 54 15 27097 -70.3 -94.3 2 24.0 -70.8 350 100 674.2 674.2 323.6 674.3 0.00 55 10 29520 -68.3 -94.3 1 26.0 -69.2 355 129 764.6 764.6 326.3 764.6 0.01 56 8.2 30712 -67.9 -93.9 1 26.0 -69.0 351 137 810.8 810.8 327.5 810.9 0.01 57 6.7 31916 -71.5 -95.5 2 24.0 -72.3 844.0 844.0 328.2 844.0 0.01 58 6.0 32575 -67.1 -93.1 1 26.0 -68.7 890.1 890.1 329.2 890.2 0.01 TRP 320 8140 -51.1 -70.1 9 19.0 -51.4 25 60 307.6 307.6 284.4 307.6 0.01 WND 366 7260 -46.8 -67.3 8 20.5 -47.1 25 71 301.8 301.8 282.1 301.8 0.01 Sounding variables and indices 1000-500 mb thick: 4917.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 49.02 % Est. max temperature: -13.58 C = 7.55 F Sfc-Lift cond lev (LCL): 973.35 mb = 447.69 m = 1468.79 ft T: -25.91 C 700-500 lapse rate: 4.70 C/km ThetaE index: 0.00 C Layer 1030.0- -0.0 mb Conv cond level (CCL): 1027.00 mb = 66.30 m = 217.52 ft Mean mixing ratio: 0.33 g/kg Conv temperature: -29.14 C = -20.44 F Cap Strength: 26.30 C Lifted Index: 28.41 C Risk: None Lifted Index @300 mb: 46.06 C Lifted Index @700 mb: 18.99 C Showalter Index: 17.74 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 16.20 C Cross Totals Index: 13.40 C K Index: -29.70 Risk: None Sweat Index: 81.00 Risk: None Energy Index: 4.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.61 J/kg Max Up Vert Vel: 11.28 m/s Conv Inhibition (B-): 77925.95 J/kg Cap Strength: 28.37 C Lift Cond Lev (LCL): 940.42 mb = 697.69 m = 2288.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 48 at 21 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 1030 46 350 5 0.9 -4.9 | 241 19 16.7 9.2 1 1000 253 325 10 5.7 -8.2 | 254 22 21.6 6.0 2 993 305 320 10 6.4 -7.7 | 254 23 22.3 6.5 3 952 610 350 11 1.9 -10.8 | 259 18 17.7 3.3 4 925 818 360 10 -0.0 -10.0 | 255 16 15.8 4.2 5 913 914 355 12 1.0 -12.0 | 263 17 16.9 2.2 6 875 1219 360 16 -0.0 -16.0 | 277 16 15.8 -1.8 7 850 1433 355 16 1.4 -15.9 | 276 17 17.2 -1.8 8 805 1829 360 17 -0.0 -17.0 | 280 16 15.8 -2.8 9 771 2134 20 21 -7.2 -19.7 | 303 10 8.6 -5.6 10 739 2438 15 19 -4.9 -18.4 | 291 12 10.9 -4.2 11 708 2743 20 21 -7.2 -19.7 | 303 10 8.6 -5.6 12 700 2830 15 20 -5.2 -19.3 | 296 12 10.7 -5.1 13 678 3048 10 21 -3.6 -20.7 | 298 14 12.2 -6.5 14 649 3353 25 20 -8.5 -18.1 | 298 8 7.4 -4.0 15 621 3658 20 26 -8.9 -24.4 | 326 12 6.9 -10.3 16 569 4267 20 38 -13.0 -35.7 | 353 22 2.8 -21.5 17 522 4877 25 45 -19.0 -40.8 | 7 27 -3.2 -26.6 18 500 5170 25 49 -20.7 -44.4 | 9 31 -4.9 -30.2 19 436 6096 25 64 -27.0 -58.0 | 14 45 -11.2 -43.8 20 400 6670 20 66 -22.6 -62.0 | 8 48 -6.7 -47.8 21 366 7260 25 71 -30.0 -64.3 | 16 52 -14.2 -50.2 22 363 7315 25 71 -30.0 -64.3 | 16 52 -14.2 -50.2 23 346 7620 25 70 -29.6 -63.4 | 16 51 -13.8 -49.3 24 320 8140 25 60 -25.4 -54.4 | 13 41 -9.5 -40.2 25 300 8560 25 50 -21.1 -45.3 | 10 32 -5.3 -31.1 26 274 9144 25 38 -16.1 -34.4 | 1 20 -0.2 -20.3 27 250 9740 25 27 -11.4 -24.5 | 337 11 4.4 -10.3 28 238 10058 20 26 -8.9 -24.4 | 326 12 6.9 -10.3 29 227 10363 40 20 -12.9 -15.3 | 291 3 3.0 -1.1 30 217 10668 25 20 -8.5 -18.1 | 298 8 7.4 -4.0 31 207 10973 5 18 -1.6 -17.9 | 285 15 14.3 -3.8 32 200 11190 5 23 -2.0 -22.9 | 302 16 13.8 -8.7 33 197 11278 20 19 -6.5 -17.9 | 292 10 9.3 -3.7 34 188 11582 355 24 2.1 -23.9 | 299 20 17.9 -9.7 35 171 12192 20 17 -5.8 -16.0 | 280 10 10.0 -1.8 36 163 12497 5 16 -1.4 -15.9 | 277 15 14.4 -1.8 37 150 13040 355 22 1.9 -21.9 | 294 19 17.7 -7.7 38 148 13106 340 19 6.5 -17.9 | 279 23 22.3 -3.7 39 135 13716 10 28 -4.9 -27.6 | 321 17 11.0 -13.4 40 117 14630 350 31 5.4 -30.5 | 308 27 21.2 -16.4 41 106 15240 355 38 3.3 -37.9 | 321 30 19.1 -23.7 42 100 15610 10 38 -6.6 -37.4 | 338 25 9.2 -23.3 43 96 15850 10 38 -6.6 -37.4 | 338 25 9.2 -23.3 44 83 16764 350 48 8.3 -47.3 | 324 41 24.2 -33.1 45 70 17820 350 58 10.1 -57.1 | 329 50 25.9 -42.9 46 62 18593 355 64 5.6 -63.8 | 337 54 21.4 -49.6 47 56 19202 355 49 4.3 -48.8 | 330 40 20.1 -34.6 48 50 19812 355 64 5.6 -63.8 | 337 54 21.4 -49.6 49 50 19870 345 56 14.5 -54.1 | 323 50 30.3 -39.9 50 48 20117 345 56 14.5 -54.1 | 323 50 30.3 -39.9 51 41 21031 335 72 30.4 -65.3 | 318 69 46.3 -51.1 52 39 21336 335 76 32.1 -68.9 | 319 73 47.9 -54.7 53 37 21641 345 83 21.5 -80.2 | 331 76 37.3 -66.0 54 34 22250 350 69 12.0 -68.0 | 333 61 27.8 -53.8 55 30 22940 355 76 6.6 -75.7 | 340 66 22.5 -61.5 56 20 25380 350 95 16.5 -93.6 | 338 86 32.3 -79.4 57 17 26213 355 104 9.1 -103.6 | 344 93 24.9 -89.4 58 16 26822 350 92 16.0 -90.6 | 337 83 31.8 -76.4 59 14 27432 350 109 18.9 -107.3 | 340 99 34.8 -93.2 60 13 27737 355 121 10.5 -120.5 | 346 110 26.4 -106.4 61 11 28956 350 107 18.6 -105.4 | 339 97 34.4 -91.2 62 10 29520 355 129 11.2 -128.5 | 347 117 27.1 -114.3 63 8 29870 350 140 24.3 -137.9 | 342 130 40.1 -123.7 Wind Parameters Mean winds (0-6000m): 18.2 at 28.3 knts Storm direction: 48.2 at 21.2 knts Shear (0-3000m) pos: 1.9 neg: 1.8 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 57.1 deg Storm rel helicity (0-3000m) pos: 89.6 neg: -13.1 tot: 76.5 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 2.9 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.91 Bulk Shear: 70.19 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 ------------------------------------------------------------------------------- 500 332 9 253 21| 0.0 6.0 6.0| 33.8 0.0 33.8 67.7 0.64| 10.1 6.4 1000 344 10 257 19| 2.1 3.0 5.1| 49.0 -2.6 46.3 46.3 0.57| 8.3 4.7 1500 350 12 262 18| 1.4 2.9 4.3| 60.3 -3.3 57.0 38.0 0.58| 6.9 4.0 2000 354 13 267 17| 2.7 2.1 4.8| 77.5 -3.3 74.2 37.1 0.60| 6.9 4.1 2500 1 15 272 16| 2.2 1.7 3.9| 83.9 -9.4 74.5 29.8 0.50| 6.6 3.3 3000 4 16 276 15| 1.9 1.8 3.7| 89.6 -13.1 76.5 25.5 0.44| 6.5 2.9 4000 10 18 286 13| 2.1 2.5 4.6|123.1 -13.4 109.7 27.4 0.47| 7.4 3.4 5000 15 23 308 13| 3.0 2.0 5.0|178.3 -13.4 164.8 33.0 0.50| 7.4 3.7 6000 18 28 331 15| 2.5 2.9 5.4|213.4 -13.4 200.0 33.3 0.45| 7.5 3.4 Wrote GIF file: /home/apache/climate/data/raob//CYRB/skewt/CYRB.skewt.20251231.00.gif