UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120712.upa.cvt Date: 1200Z 7 DEC 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 7 DEC 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 140 SFC 990 211 -33.5 -38.5 61 5.0 -33.7 360 5 240.3 240.4 240.1 240.7 0.14 2 971 348 -32.9 -38.9 55 6.0 -33.1 353 7 242.3 242.3 241.9 242.7 0.14 3 925 695 -26.9 -31.6 64 4.7 -27.3 335 13 251.8 251.8 250.9 252.6 0.29 4 880 1057 -20.9 -24.6 72 3.7 -21.4 338 13 261.6 261.7 259.7 263.3 0.59 5 850 1311 -23.1 -26.5 74 3.4 -23.5 340 13 261.9 262.0 259.8 263.4 0.52 6 818 1590 -24.3 -27.3 76 3.0 -24.6 341 14 263.6 263.6 261.0 265.0 0.50 7 816 1607 -24.7 -27.8 75 3.1 -25.1 341 14 263.3 263.4 260.7 264.7 0.48 8 728 2430 -26.5 -29.7 74 3.2 -26.8 344 18 270.1 270.2 265.6 271.4 0.45 9 700 2711 -28.9 -32.5 71 3.6 -29.2 345 19 270.5 270.5 265.7 271.5 0.36 10 646 3286 -30.3 -33.9 71 3.6 -30.6 344 17 275.2 275.2 268.8 276.2 0.34 11 612 3669 -33.5 -37.3 69 3.8 -33.8 343 16 275.8 275.8 269.0 276.6 0.25 12 569 4181 -35.1 -38.9 68 3.8 -35.4 342 14 279.7 279.7 271.4 280.4 0.23 13 500 5070 -42.9 -47.0 64 4.1 -43.0 340 11 280.7 280.8 271.8 281.1 0.11 14 485 5275 -44.5 -48.6 64 4.1 -44.6 281.2 281.2 272.1 281.5 0.10 15 480 5344 -46.5 -50.5 64 4.0 -46.6 279.6 279.6 271.1 279.8 0.08 16 478 5371 -49.1 -53.3 61 4.2 -49.2 276.7 276.7 269.2 276.9 0.06 17 471 5468 -50.5 -54.7 61 4.2 -50.6 276.1 276.2 268.8 276.3 0.05 18 470 5482 -52.5 -56.9 59 4.4 -52.6 273.8 273.8 267.3 274.0 0.04 19 458 5648 -54.7 -59.0 59 4.3 -54.8 273.1 273.1 266.8 273.2 0.03 TRP 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: 69.35 % Est. max temperature: -11.46 C = 11.38 F Sfc-Lift cond lev (LCL): 908.53 mb = 825.45 m = 2708.14 ft T: -24.74 C 700-500 lapse rate: 5.93 C/km ThetaE index: 0.30 C Layer 816.0- 728.0 mb Conv cond level (CCL): 990.00 mb = 210.88 m = 691.84 ft Mean mixing ratio: 0.27 g/kg Conv temperature: -31.85 C = -25.33 F Cap Strength: 25.47 C Lifted Index: 25.34 C Risk: None Lifted Index @700 mb: 18.83 C Showalter Index: 14.30 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 16.40 C K Index: -10.30 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 72.08 J/kg Max Up Vert Vel: 12.01 m/s Conv Inhibition (B-): 3937.44 J/kg Cap Strength: 25.49 C Lift Cond Lev (LCL): 879.15 mb = 1064.18 m = 3491.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 12 at 11 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 ---------------------------------------------------------- 0 990 211 360 5 -0.0 -5.0 | 203 6 2.3 5.6 1 925 695 335 13 5.5 -11.8 | 279 8 7.8 -1.2 2 850 1311 340 13 4.4 -12.2 | 284 7 6.8 -1.6 3 700 2711 345 19 4.9 -18.4 | 317 11 7.2 -7.8 4 500 5070 340 11 3.8 -10.3 | 268 6 6.1 0.2 Wind Parameters Mean winds (0-6000m): 342.4 at 14.4 knts Storm direction: 12.4 at 10.8 knts Shear (0-3000m) pos: 1.1 neg: 1.3 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 107.8 deg Storm rel helicity (0-3000m) pos: 22.0 neg: -3.0 tot: 19.0 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 1.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 19.23 Bulk Shear: 3.75 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 ------------------------------------------------------------------------------- 500 342 9 250 6| 0.0 9.0 9.0| 9.7 0.0 9.7 19.4 0.78| 9.2 7.2 1000 339 11 267 6| 0.5 4.5 5.0| 10.7 0.0 10.7 10.7 0.76| 5.1 3.9 1500 340 12 275 7| 0.8 3.0 3.8| 13.9 0.0 13.9 9.3 0.77| 4.1 3.1 2000 340 13 283 7| 1.1 2.2 3.4| 17.8 0.0 17.8 8.9 0.78| 3.6 2.8 2500 342 14 291 7| 1.4 1.8 3.1| 22.0 0.0 22.0 8.8 0.77| 3.3 2.6 3000 342 15 296 8| 1.1 1.3 2.4| 22.0 -3.0 19.0 6.3 0.63| 3.1 1.9 4000 342 15 298 8| 0.8 0.7 1.5| 22.0 -8.8 13.2 3.3 0.41| 2.8 1.1 5000 NO DATA | 0.8 0.5 1.3| | 6000 NO DATA | 0.8 0.5 1.3| | Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251207.12.gif