UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 12 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 ------------------------------------------------------------------------------- SFC 1000 209 -47.3 -53.3 50 6.0 -47.4 0 0 225.9 225.9 225.8 225.9 0.03 1 990 276 -44.3 -50.3 51 6.0 -44.4 12 1 229.5 229.5 229.4 229.6 0.04 2 925 738 -35.7 -41.7 54 6.0 -35.9 95 9 242.8 242.8 242.3 243.1 0.11 3 896 960 -31.5 -37.5 55 6.0 -31.8 87 9 249.4 249.4 248.4 249.8 0.17 4 863 1224 -32.7 -37.6 62 4.9 -33.0 79 9 250.8 250.8 249.7 251.3 0.17 5 850 1331 -30.9 -35.4 65 4.5 -31.2 75 9 253.8 253.8 252.4 254.4 0.22 6 834 1467 -28.3 -32.8 65 4.5 -28.6 73 9 257.9 257.9 256.1 258.7 0.29 7 745 2273 -30.3 -33.9 71 3.6 -30.6 61 12 264.2 264.2 261.0 265.0 0.29 8 700 2715 -31.7 -35.2 71 3.5 -32.0 55 13 267.4 267.4 263.3 268.2 0.27 9 662 3107 -33.3 -37.0 69 3.7 -33.6 60 14 269.9 269.9 265.1 270.6 0.24 10 500 5020 -46.3 -49.9 67 3.6 -46.4 85 19 276.6 276.6 269.2 276.9 0.08 11 439 5873 -51.9 -55.9 62 4.0 -52.0 88 24 280.0 280.0 271.2 280.1 0.04 12 400 6470 -55.3 -59.4 60 4.1 -55.4 90 27 283.1 283.1 273.0 283.2 0.03 13 323 7821 -61.7 -66.0 56 4.3 -61.7 100 23 292.1 292.1 277.7 292.2 0.02 14 300 8280 -62.1 -66.5 55 4.4 -62.1 100 21 297.8 297.8 280.4 297.9 0.02 15 250 9410 -58.9 -63.5 55 4.6 -59.0 100 13 318.5 318.5 288.3 318.6 0.03 16 226 10038 -57.7 -62.5 54 4.8 -57.8 93 9 329.7 329.7 291.7 329.8 0.04 17 200 10800 -58.9 -63.8 53 4.9 -59.0 85 5 339.5 339.5 294.2 339.6 0.04 18 150 12620 -59.9 -65.9 45 6.0 -60.0 105 5 366.9 366.9 300.0 367.0 0.04 19 101 15079 -62.9 -69.9 38 7.0 -63.0 129 11 405.0 405.0 305.9 405.2 0.03 20 100 15140 -62.9 -69.9 38 7.0 -63.0 130 11 406.2 406.2 306.0 406.4 0.03 21 70 17310 -66.1 -74.1 32 8.0 -66.2 160 13 443.0 443.0 310.2 443.1 0.02 22 50 19330 -69.3 -77.3 30 8.0 -69.4 170 27 480.2 480.2 313.5 480.3 0.02 23 47 19700 -68.7 -76.7 31 8.0 -68.8 490.2 490.2 314.2 490.3 0.02 TRP 323 7821 -61.7 -66.0 56 4.3 -61.7 100 23 292.1 292.1 277.7 292.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4810.99 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 65.36 % Est. max temperature: -19.37 C = -2.87 F Sfc-Lift cond lev (LCL): 896.46 mb = 956.87 m = 3139.29 ft T: -31.57 C 700-500 lapse rate: 6.33 C/km ThetaE index: 0.00 C Layer 1000.0--8725724135424.0 mb Conv cond level (CCL): 990.00 mb = 275.71 m = 904.56 ft Mean mixing ratio: 0.08 g/kg Conv temperature: -42.57 C = -44.63 F Cap Strength: 28.32 C Lifted Index: 31.61 C Risk: None Lifted Index @300 mb: 42.35 C Lifted Index @700 mb: 26.55 C Showalter Index: 18.25 C Risk: None Total Totals Index: 26.30 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 10.90 C K Index: -23.50 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 4.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.04 J/kg Max Up Vert Vel: 11.14 m/s Conv Inhibition (B-): 44173.57 J/kg Cap Strength: 31.55 C Lift Cond Lev (LCL): 873.18 mb = 1141.74 m = 3745.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 107 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 1000 209 0 0 -0.0 -0.0 | 287 11 10.4 -3.2 1 925 738 95 9 -9.0 0.8 | 330 3 1.4 -2.4 2 850 1331 75 9 -8.7 -2.3 | 343 6 1.7 -5.5 3 700 2715 55 13 -10.6 -7.5 | 2 11 -0.3 -10.7 4 500 5020 85 19 -18.9 -1.7 | 60 10 -8.6 -4.9 5 400 6470 90 27 -27.0 0.0 | 79 17 -16.6 -3.2 6 323 7821 100 23 -22.7 4.0 | 94 12 -12.3 0.8 7 300 8280 100 21 -20.7 3.6 | 92 10 -10.3 0.4 8 250 9410 100 13 -12.8 2.3 | 69 3 -2.4 -1.0 9 200 10800 85 5 -5.0 -0.4 | 304 7 5.4 -3.7 10 150 12620 105 5 -4.8 1.3 | 289 6 5.5 -1.9 11 100 15140 130 11 -8.4 7.1 | 207 4 1.9 3.9 12 70 17310 160 13 -4.4 12.2 | 213 11 5.9 9.0 13 50 19330 170 27 -4.7 26.6 | 194 24 5.7 23.4 Wind Parameters Mean winds (0-6000m): 77.2 at 14.5 knts Storm direction: 107.2 at 10.9 knts Shear (0-3000m) pos: 1.8 neg: 1.3 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 85.0 deg Storm rel helicity (0-3000m) pos: 27.5 neg: 0.0 tot: 27.5 m^2/s^2 ave: 9.2 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.24 Bulk Shear: 14.64 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 95 4 295 7| 8.8 0.0 8.8| 16.8 0.0 16.8 33.5 0.61| 11.5 7.0 1000 90 7 310 5| 4.4 0.9 5.3| 17.6 0.0 17.6 17.6 0.55| 7.2 3.9 1500 83 7 324 5| 2.9 1.2 4.2| 19.3 0.0 19.3 12.9 0.54| 5.5 3.0 2000 78 8 336 6| 2.2 1.4 3.6| 21.0 0.0 21.0 10.5 0.53| 4.6 2.4 2500 72 9 344 6| 1.8 1.6 3.3| 22.1 0.0 22.1 8.8 0.49| 4.1 2.0 3000 69 10 350 7| 1.8 1.3 3.1| 27.5 0.0 27.5 9.2 0.54| 3.8 2.0 4000 69 11 1 7| 1.9 1.0 2.8| 39.0 0.0 39.0 9.7 0.61| 3.4 2.1 5000 73 13 15 7| 1.9 0.8 2.7| 50.8 0.0 50.8 10.2 0.66| 3.2 2.1 6000 77 14 30 7| 2.1 0.7 2.8| 60.8 0.0 60.8 10.1 0.64| 3.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251212.12.gif