UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120923.upa.cvt Date: 2300Z 9 DEC 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 9 DEC 25 Station: Y4775 WMO ident: 94775 ------------------------------------------------------------------------------- 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 1017 23 23.6 17.6 69 6.0 19.5 165 2 295.3 297.6 292.1 331.3 12.54 1 1000 169 21.2 17.3 78 3.9 18.6 130 5 294.4 296.6 291.7 330.1 12.52 2 968 450 18.4 16.8 90 1.6 17.4 109 6 294.3 296.5 291.7 330.1 12.53 3 925 839 16.6 16.3 98 0.3 16.4 80 7 296.3 298.6 292.5 332.9 12.70 4 889 1177 15.0 15.0 100 0.0 15.0 23 15 298.0 300.2 292.6 333.3 12.15 5 858 1478 14.0 12.2 89 1.8 12.9 341 21 300.0 301.9 291.9 330.7 10.46 6 855 1508 15.8 8.8 63 7.0 11.6 337 22 302.2 303.7 290.9 327.0 8.34 7 850 1558 16.6 6.6 52 10.0 10.7 350 19 303.5 304.9 290.3 325.2 7.21 8 845 1608 17.6 4.6 42 13.0 10.2 348 20 305.1 306.3 290.0 324.2 6.30 9 842 1639 18.0 9.0 56 9.0 12.4 347 20 305.8 307.4 292.2 331.7 8.59 10 823 1834 16.6 9.6 63 7.0 12.2 341 22 306.4 308.1 292.8 334.0 9.16 11 772 2376 12.0 9.3 84 2.7 10.3 326 24 307.1 308.8 293.3 336.0 9.57 12 700 3190 6.6 2.6 76 4.0 4.4 285 16 309.8 311.0 291.7 330.2 6.61 13 636 3968 0.0 -5.0 69 5.0 -2.3 270 19 310.9 311.7 289.9 323.9 4.15 14 628 4069 0.0 -17.0 26 17.0 -6.0 267 19 312.0 312.3 287.9 317.3 1.61 15 617 4211 -0.5 -22.5 17 22.0 -7.2 262 19 313.0 313.2 287.6 316.5 1.02 16 568 4870 -2.7 -32.7 8 30.0 -9.9 284 11 317.9 318.0 288.6 319.5 0.43 17 564 4926 -2.5 -18.5 28 16.0 -8.0 284 11 318.8 319.1 290.0 324.2 1.58 18 500 5870 -9.7 -21.7 37 12.0 -13.3 285 20 321.2 321.5 290.5 325.9 1.35 19 478 6216 -12.7 -24.7 36 12.0 -15.9 275 22 321.7 321.9 290.4 325.4 1.08 20 442 6808 -18.1 -21.4 75 3.3 -19.0 261 24 322.1 322.4 291.0 327.5 1.57 21 441 6825 -18.1 -21.4 75 3.3 -19.0 261 24 322.3 322.6 291.0 327.7 1.57 22 436 6910 -18.5 -26.5 49 8.0 -20.4 261 25 322.9 323.1 290.7 326.4 1.01 23 418 7224 -20.3 -29.3 44 9.0 -22.2 263 26 324.5 324.7 291.0 327.4 0.81 24 417 7242 -20.3 -41.3 14 21.0 -23.3 263 26 324.7 324.8 290.5 325.6 0.25 25 415 7278 -20.1 -32.1 33 12.0 -22.4 263 26 325.4 325.5 291.0 327.7 0.62 26 409 7386 -20.7 -42.7 12 22.0 -23.7 264 26 326.0 326.0 290.8 326.8 0.22 27 401 7532 -21.9 -31.9 40 10.0 -23.8 265 27 326.3 326.4 291.3 328.7 0.66 28 400 7550 -21.9 -31.9 40 10.0 -23.8 265 27 326.5 326.7 291.4 328.9 0.66 29 390 7735 -23.5 -33.5 39 10.0 -25.2 265 29 326.8 326.9 291.4 328.9 0.58 30 370 8117 -26.7 -43.7 18 17.0 -28.7 265 32 327.5 327.6 291.2 328.3 0.21 31 346 8595 -31.3 -39.3 45 8.0 -32.3 256 36 327.6 327.7 291.4 329.0 0.37 32 308 9409 -36.7 -54.7 14 18.0 -37.8 258 35 331.1 331.2 292.1 331.4 0.07 33 300 9590 -37.9 -53.9 17 16.0 -38.8 260 34 332.0 332.0 292.3 332.3 0.08 34 292 9776 -39.5 -54.5 19 15.0 -40.3 261 35 332.3 332.3 292.4 332.6 0.08 35 288 9870 -40.3 -46.3 53 6.0 -40.8 261 35 332.4 332.5 292.6 333.2 0.21 36 259 10586 -46.1 -47.8 83 1.7 -46.2 264 39 334.1 334.2 293.0 334.9 0.20 37 250 10820 -48.1 -50.7 74 2.6 -48.2 265 40 334.6 334.6 293.1 335.1 0.15 38 240 11088 -49.9 -52.7 72 2.8 -50.0 271 43 335.8 335.8 293.4 336.3 0.12 39 232 11310 -51.3 -56.2 56 4.9 -51.5 275 45 336.9 336.9 293.6 337.3 0.08 40 210 11951 -56.3 -59.9 64 3.6 -56.4 268 52 338.8 338.9 294.1 339.1 0.06 41 200 12260 -57.7 -68.7 23 11.0 -57.9 260 45 341.4 341.4 294.7 341.5 0.02 42 199 12292 -57.3 -69.3 20 12.0 -57.5 260 45 342.5 342.5 295.0 342.6 0.02 43 170 13273 -62.7 -72.7 25 10.0 -62.8 256 36 349.3 349.3 296.5 349.4 0.01 44 150 14040 -64.3 -77.3 15 13.0 -64.4 285 33 359.3 359.3 298.5 359.3 0.01 45 135 14678 -67.1 -82.1 10 15.0 -67.2 293 33 365.3 365.3 299.7 365.4 0.00 46 117 15544 -64.7 -85.7 4 21.0 -64.8 298 33 385.0 385.0 303.1 385.0 0.00 47 100 16490 -69.3 -87.3 6 18.0 -69.4 275 33 393.8 393.8 304.3 393.8 0.00 48 99 16550 -69.7 -87.7 6 18.0 -69.8 275 31 394.2 394.2 304.4 394.2 0.00 49 88 17251 -70.7 -87.7 6 17.0 -70.8 277 27 405.7 405.7 306.0 405.7 0.00 50 70 18620 -67.7 -88.7 3 21.0 -67.8 270 8 439.5 439.6 309.8 439.6 0.00 51 66 18974 -68.3 -89.3 3 21.0 -68.4 296 8 445.7 445.7 310.4 445.7 0.00 52 64 19161 -64.5 -88.5 2 24.0 -64.8 310 8 458.0 458.0 311.6 458.0 0.00 53 57 19866 -66.3 -89.3 3 23.0 -66.5 2 8 469.3 469.3 312.6 469.3 0.00 54 51 20548 -62.3 -89.3 2 27.0 -62.7 51 8 493.9 493.9 314.5 493.9 0.00 55 50 20670 -62.5 -88.5 2 26.0 -62.9 60 8 496.2 496.2 314.7 496.2 0.00 56 48 20920 -63.7 -88.7 2 25.0 -64.1 62 9 499.2 499.2 314.9 499.2 0.00 57 30 23840 -56.5 -87.5 1 31.0 -57.9 90 18 590.6 590.6 320.2 590.6 0.01 58 22 25818 -54.3 -86.3 1 32.0 -56.5 651.9 652.0 322.7 652.0 0.01 TRP 99 16550 -69.7 -87.7 6 18.0 -69.8 275 31 394.2 394.2 304.4 394.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5701.00 m Freezing level: 628.00 mb = 4069.39 m = 13350.84 ft Wetbulb zero: 658.27 mb = 3688.73 m = 12101.98 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 61.19 % Est. max temperature: 27.72 C = 81.89 F Sfc-Lift cond lev (LCL): 931.40 mb = 779.98 m = 2558.95 ft T: 16.87 C 700-500 lapse rate: 6.08 C/km ThetaE index: 19.52 C Layer 700.0- 568.0 mb Conv cond level (CCL): 908.69 mb = 990.60 m = 3249.97 ft Mean mixing ratio: 12.57 g/kg Conv temperature: 25.34 C = 77.61 F Cap Strength: 5.73 C Lifted Index: 1.00 C Risk: Showers probable Lifted Index @300 mb: 1.69 C Lifted Index @700 mb: 1.89 C Showalter Index: 3.93 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 16.30 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 137.20 Risk: None Energy Index: 0.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.33 J/kg Max Up Vert Vel: 7.66 m/s Conv Inhibition (B-): 246.05 J/kg Cap Strength: 5.63 C Lift Cond Lev (LCL): 936.53 mb = 732.86 m = 2404.36 ft Lev Free Conv (LFC): 641.53 mb = 3897.62 m = 12787.31 ft Equ Level (EL): 621.53 mb = 4152.26 m = 13622.73 ft B at Equ Level: 9.38 J/kg Max Parcel Lev (MPL): 591.53 mb = 4546.74 m = 14916.95 ft Wind level data Storm motion: 331 at 12 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 1017 23 165 2 -0.5 1.9 | 153 14 -6.3 12.4 1 1000 169 130 5 -3.8 3.2 | 145 17 -9.6 13.7 2 925 839 80 7 -6.9 -1.2 | 126 16 -12.6 9.2 3 917 914 60 9 -7.8 -4.5 | 114 15 -13.5 6.0 4 853 1524 335 22 9.3 -19.9 | 339 10 3.6 -9.5 5 850 1558 350 19 3.3 -18.7 | 16 9 -2.4 -8.3 6 794 2134 330 26 13.0 -22.5 | 329 14 7.3 -12.1 7 765 2438 325 24 13.8 -19.7 | 319 12 8.0 -9.2 8 738 2743 290 15 14.1 -5.1 | 237 10 8.4 5.3 9 700 3190 285 16 15.5 -4.1 | 237 12 9.7 6.3 10 686 3353 290 18 16.9 -6.2 | 249 12 11.2 4.3 11 611 4267 260 19 18.7 3.3 | 223 19 13.0 13.8 12 566 4877 285 11 10.6 -2.8 | 213 9 4.9 7.6 13 545 5182 275 12 12.0 -1.0 | 213 11 6.2 9.4 14 505 5791 295 19 17.2 -8.0 | 258 12 11.5 2.4 15 500 5870 285 20 19.3 -5.2 | 249 15 13.6 5.3 16 447 6706 260 24 23.6 4.2 | 231 23 17.9 14.6 17 400 7550 265 27 26.9 2.4 | 239 25 21.2 12.8 18 363 8230 265 33 32.9 2.9 | 244 30 27.1 13.3 19 334 8839 250 39 36.6 13.3 | 232 39 30.9 23.8 20 300 9590 260 34 33.5 5.9 | 239 32 27.7 16.4 21 250 10820 265 40 39.8 3.5 | 248 37 34.1 13.9 22 233 11278 275 45 44.8 -3.9 | 261 40 39.1 6.5 23 202 12192 265 54 53.8 4.7 | 252 50 48.1 15.2 24 200 12260 260 45 44.3 7.8 | 245 43 38.6 18.3 25 174 13106 255 37 35.7 9.6 | 236 36 30.0 20.0 26 158 13716 260 33 32.5 5.7 | 239 31 26.8 16.2 27 150 14021 270 29 29.0 -0.0 | 246 26 23.3 10.5 28 150 14040 285 33 31.9 -8.5 | 266 26 26.1 1.9 29 143 14326 285 33 31.9 -8.5 | 266 26 26.1 1.9 30 123 15240 305 33 27.0 -18.9 | 292 23 21.3 -8.5 31 100 16490 275 33 32.9 -2.9 | 254 28 27.1 7.6 32 99 16550 275 31 30.9 -2.7 | 253 26 25.1 7.8 33 96 16764 280 34 33.5 -5.9 | 261 28 27.7 4.6 34 70 18620 270 8 8.0 -0.0 | 192 11 2.3 10.5 35 50 20670 60 8 -6.9 -4.0 | 117 14 -12.7 6.5 36 30 23840 90 18 -18.0 0.0 | 114 26 -23.7 10.5 Wind Parameters Mean winds (0-6000m): 301.3 at 15.9 knts Storm direction: 331.3 at 11.9 knts Shear (0-3000m) pos: 0.0 neg: 2.9 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 84.0 deg Storm rel helicity (0-3000m) pos: 12.1 neg: -190.7 tot: -178.6 m^2/s^2 ave: -59.5 10^-3 m/s^2 rel: -0.78 Storm rel vorticity (0-3000m) horiz: 12.4 stream: -9.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.51 Bulk Shear: 57.45 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 ------------------------------------------------------------------------------- 500 120 5 142 16| 0.0 5.5 5.5| 0.0 -21.2 -21.2 -42.4 -0.78| 6.6 -5.1 1000 92 6 132 16| 0.0 6.4 6.4| 0.0 -58.8 -58.8 -58.8 -0.89| 8.3 -7.4 1500 31 10 101 11| 0.0 8.2 8.2| 0.0-120.1-120.1 -80.1 -0.93| 13.5-12.6 2000 1 13 69 6| 0.0 6.8 6.8| 12.1-137.7-125.6 -62.8 -0.73| 13.3 -9.7 2500 347 15 28 5| 0.0 4.8 4.8| 12.1-164.3-152.2 -60.9 -0.75| 12.6 -9.5 3000 336 15 353 4| 0.0 2.9 2.9| 12.1-190.7-178.6 -59.5 -0.78| 12.4 -9.7 4000 318 16 285 5| 0.0 2.5 2.5| 18.2-208.1-190.0 -47.5 -0.72| 10.5 -7.6 5000 306 16 261 7| 0.8 2.0 2.8| 18.9-222.8-204.0 -40.8 -0.66| 9.7 -6.5 6000 301 16 254 8| 0.5 2.1 2.6| 42.9-231.2-188.2 -31.4 -0.52| 9.3 -4.9 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251209.23.gif