UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 14 OCT 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 174 SFC 930 738 -10.3 -15.3 67 5.0 -11.5 300 5 268.4 268.6 265.9 271.8 1.25 2 925 780 -10.9 -16.9 61 6.0 -12.2 300 5 268.2 268.3 265.5 271.2 1.10 3 850 1418 -17.1 -19.9 79 2.8 -17.6 285 3 268.2 268.4 265.2 270.9 0.93 4 832 1579 -18.1 -20.5 81 2.4 -18.5 297 4 268.8 269.0 265.6 271.4 0.90 5 796 1914 -12.7 -15.3 81 2.6 -13.3 322 5 278.0 278.3 272.4 282.2 1.46 6 744 2428 -15.3 -21.3 60 6.0 -16.5 0 7 280.6 280.8 273.1 283.4 0.94 7 723 2645 -13.1 -21.1 51 8.0 -14.9 17 8 285.3 285.5 275.8 288.3 0.98 8 715 2730 -13.3 -23.3 43 10.0 -15.3 23 8 286.0 286.2 275.9 288.5 0.82 9 700 2892 -13.5 -23.5 43 10.0 -15.6 35 9 287.5 287.7 276.7 290.1 0.82 10 685 3057 -13.1 -21.1 51 8.0 -14.9 36 10 289.8 290.0 278.1 293.0 1.04 11 500 5390 -27.7 -34.7 51 7.0 -28.5 45 17 299.3 299.3 281.6 300.6 0.40 12 497 5433 -28.1 -35.1 51 7.0 -28.9 45 17 299.3 299.4 281.6 300.6 0.39 13 480 5682 -28.5 -35.5 51 7.0 -29.3 46 18 301.8 301.9 282.6 303.1 0.39 14 400 6960 -38.1 -42.8 61 4.7 -38.4 50 23 305.5 305.5 283.9 306.2 0.22 15 382 7274 -40.5 -44.8 63 4.3 -40.8 52 23 306.4 306.4 284.2 307.0 0.18 16 300 8870 -53.5 -58.3 56 4.8 -53.6 60 23 309.9 309.9 285.4 310.1 0.05 17 277 9378 -57.9 -62.7 54 4.8 -58.0 64 22 310.7 310.7 285.6 310.9 0.03 18 250 10020 -61.3 -65.9 54 4.6 -61.3 70 21 314.9 314.9 287.1 315.0 0.02 19 229 10562 -64.5 -69.2 52 4.7 -64.6 90 21 318.1 318.1 288.1 318.1 0.01 20 200 11400 -59.9 -64.5 55 4.6 -60.0 60 15 337.9 337.9 293.9 338.0 0.03 21 167 12537 -55.7 -60.6 54 4.9 -55.8 44 12 362.8 362.8 299.3 363.1 0.07 22 150 13220 -56.5 -62.5 47 6.0 -56.6 35 11 372.7 372.7 301.1 373.0 0.06 23 100 15820 -53.1 -63.1 29 10.0 -53.6 350 5 425.1 425.2 308.3 425.5 0.08 24 70 18110 -51.7 -64.7 20 13.0 -52.5 225 3 473.8 473.8 313.0 474.3 0.09 25 50 20300 -51.9 -68.9 11 17.0 -53.2 200 5 521.2 521.2 316.4 521.6 0.07 26 44 21130 -51.3 -69.3 10 18.0 -52.8 196 6 542.0 542.1 317.6 542.6 0.08 27 43 21279 -51.3 -69.3 10 18.0 -52.8 196 6 545.6 545.6 317.9 546.2 0.08 28 36 22438 -49.9 -69.9 8 20.0 -52.0 190 8 577.7 577.7 319.6 578.3 0.09 29 30 23630 -49.9 -70.9 7 21.0 -52.3 185 9 608.6 608.6 321.0 609.3 0.09 30 20 26290 -48.3 -72.3 5 24.0 -52.1 290 5 688.3 688.4 324.1 689.3 0.11 31 14 28643 -47.7 -73.7 3 26.0 -52.8 267 9 764.3 764.3 326.4 765.5 0.13 32 10 30870 -46.7 -72.7 4 26.0 -53.4 245 13 845.2 845.3 328.3 847.4 0.21 33 8.8 31719 -46.1 -72.1 4 26.0 -53.5 879.0 879.2 329.1 881.8 0.26 TRP 229 10562 -64.5 -69.2 52 4.7 -64.6 90 21 318.1 318.1 288.1 318.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5216.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 58.76 % Est. max temperature: -0.08 C = 31.85 F Sfc-Lift cond lev (LCL): 858.11 mb = 1346.38 m = 4417.21 ft T: -16.40 C 700-500 lapse rate: 5.68 C/km ThetaE index: 0.99 C Layer 925.0- 832.0 mb Conv cond level (CCL): 538.84 mb = 4835.57 m = 15864.54 ft Mean mixing ratio: 1.00 g/kg Conv temperature: 17.82 C = 64.07 F Cap Strength: 17.88 C Lifted Index: 23.32 C Risk: None Lifted Index @300 mb: 27.52 C Lifted Index @700 mb: 16.07 C Showalter Index: 23.49 C Risk: None Total Totals Index: 18.40 C Risk: None Vertical Totals Index: 10.60 C Cross Totals Index: 7.80 C K Index: -19.30 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 6.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.99 J/kg Max Up Vert Vel: 2.00 m/s Conv Inhibition (B-): 74845.98 J/kg Cap Strength: 23.18 C Lift Cond Lev (LCL): 822.92 mb = 1661.74 m = 5451.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 69 at 9 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 ---------------------------------------------------------- 0 930 738 300 5 4.3 -2.5 | 267 13 12.7 0.6 1 925 780 300 5 4.3 -2.5 | 267 13 12.7 0.6 2 850 1418 285 3 2.9 -0.8 | 258 11 11.2 2.4 3 700 2892 35 9 -5.2 -7.4 | 323 5 3.2 -4.2 4 500 5390 45 17 -12.0 -12.0 | 23 10 -3.7 -8.9 5 400 6960 50 23 -17.6 -14.8 | 39 15 -9.3 -11.7 6 300 8870 60 23 -19.9 -11.5 | 54 14 -11.6 -8.4 7 250 10020 70 21 -19.7 -7.2 | 70 12 -11.4 -4.0 8 229 10562 90 21 -21.0 0.0 | 104 13 -12.7 3.1 9 200 11400 60 15 -13.0 -7.5 | 47 6 -4.7 -4.4 10 150 13220 35 11 -6.3 -9.0 | 341 6 2.0 -5.9 11 100 15820 350 5 0.9 -4.9 | 281 9 9.2 -1.8 12 70 18110 225 3 2.1 2.1 | 243 12 10.4 5.3 13 50 20300 200 5 1.7 4.7 | 232 13 10.0 7.8 14 30 23630 185 9 0.8 9.0 | 217 15 9.1 12.1 15 20 26290 290 5 4.7 -1.7 | 264 13 13.0 1.4 16 10 30870 245 13 11.8 5.5 | 247 22 20.1 8.6 Wind Parameters Mean winds (0-6000m): 39.4 at 11.9 knts Storm direction: 69.4 at 8.9 knts Shear (0-3000m) pos: 2.3 neg: 0.3 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 83.0 deg Storm rel helicity (0-3000m) pos: 31.2 neg: -5.8 tot: 25.4 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 24.26 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 ------------------------------------------------------------------------------- 500 296 4 264 12| 0.0 1.7 1.7| 0.0 -4.6 -4.6 -9.3 -0.87| 1.7 -1.5 1000 296 4 263 12| 0.8 0.8 1.6| 5.8 -5.8 -0.0 -0.0 0.02| 2.1 0.0 1500 313 4 269 12| 1.8 0.6 2.4| 16.8 -5.8 11.0 7.3 0.47| 2.8 1.3 2000 342 5 280 10| 2.4 0.4 2.8| 25.4 -5.8 19.7 9.8 0.57| 3.4 2.0 2500 5 6 289 8| 2.4 0.3 2.7| 28.8 -5.8 23.1 9.2 0.61| 3.3 2.0 3000 16 7 297 7| 2.3 0.3 2.6| 31.2 -5.8 25.4 8.5 0.64| 3.1 2.0 4000 28 8 314 6| 2.1 0.2 2.4| 36.2 -5.8 30.4 7.6 0.66| 2.7 1.8 5000 35 10 334 6| 2.1 0.2 2.2| 42.0 -5.8 36.2 7.2 0.66| 2.5 1.7 6000 39 12 352 6| 2.1 0.1 2.2| 48.9 -5.8 43.1 7.2 0.64| 2.5 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251014.12.gif