UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 4 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 46 SFC 977 209 -34.3 -38.1 68 3.8 -34.5 0 0 240.4 240.5 240.2 240.8 0.15 2 926 592 -26.3 -29.8 72 3.5 -26.6 113 5 252.3 252.4 251.5 253.3 0.35 3 925 600 -26.3 -29.8 72 3.5 -26.6 115 5 252.4 252.5 251.5 253.4 0.35 4 850 1212 -26.3 -29.7 73 3.4 -26.6 180 5 258.6 258.7 256.8 259.7 0.38 5 810 1560 -26.9 -30.2 74 3.3 -27.2 195 5 261.5 261.6 259.2 262.6 0.38 6 768 1948 -21.3 -24.9 73 3.6 -21.8 211 6 271.6 271.7 267.0 273.5 0.66 7 700 2628 -23.7 -33.7 39 10.0 -24.8 240 7 276.2 276.3 269.4 277.2 0.32 8 693 2701 -23.9 -34.9 36 11.0 -25.0 240 7 276.8 276.9 269.7 277.7 0.28 9 662 3034 -26.5 -40.5 25 14.0 -27.6 240 7 277.5 277.6 269.9 278.1 0.17 10 500 5000 -41.7 -46.7 58 5.0 -41.9 240 9 282.2 282.2 272.6 282.6 0.11 11 497 5041 -42.1 -47.1 58 5.0 -42.3 239 9 282.2 282.2 272.6 282.6 0.11 12 450 5705 -45.1 -49.5 61 4.4 -45.2 223 8 286.6 286.6 275.0 286.9 0.09 13 442 5825 -45.7 -50.0 62 4.3 -45.9 221 8 287.3 287.3 275.4 287.6 0.09 14 400 6480 -50.5 -54.8 60 4.3 -50.6 205 7 289.4 289.4 276.4 289.6 0.06 15 361 7143 -55.9 -60.0 60 4.1 -55.9 189 8 290.7 290.8 277.1 290.9 0.03 16 302 8269 -60.9 -64.9 59 4.0 -60.9 160 11 298.9 298.9 280.9 299.0 0.02 17 300 8310 -60.7 -64.8 58 4.1 -60.7 165 11 299.8 299.8 281.3 299.9 0.02 18 250 9450 -60.5 -64.7 58 4.2 -60.6 210 9 316.1 316.1 287.5 316.2 0.03 19 200 10850 -58.7 -63.5 54 4.8 -58.8 240 9 339.8 339.8 294.3 340.0 0.04 20 184 11373 -58.5 -63.5 52 5.0 -58.6 250 8 348.3 348.3 296.3 348.5 0.04 21 150 12650 -60.5 -66.5 45 6.0 -60.6 275 7 365.9 365.9 299.8 366.0 0.03 22 102 15038 -63.3 -71.3 33 8.0 -63.4 261 9 403.1 403.1 305.6 403.3 0.02 23 100 15160 -63.7 -71.7 33 8.0 -63.8 260 9 404.7 404.7 305.9 404.8 0.02 24 81 16447 -65.5 -74.5 28 9.0 -65.6 426.1 426.1 308.4 426.2 0.02 TRP 302 8269 -60.9 -64.9 59 4.0 -60.9 160 11 298.9 298.9 280.9 299.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 4954.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 53.93 % Est. max temperature: -14.61 C = 5.71 F Sfc-Lift cond lev (LCL): 915.25 mb = 676.73 m = 2220.23 ft T: -26.30 C 700-500 lapse rate: 7.59 C/km Conv cond level (CCL): 977.00 mb = 209.41 m = 687.05 ft Mean mixing ratio: 0.30 g/kg Conv temperature: -30.68 C = -23.22 F Cap Strength: 23.52 C Lifted Index: 25.43 C Risk: None Lifted Index @300 mb: 34.44 C Lifted Index @700 mb: 22.80 C Showalter Index: 18.51 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 12.00 C K Index: -24.30 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 4.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.44 J/kg Max Up Vert Vel: 11.09 m/s Conv Inhibition (B-): 28854.77 J/kg Cap Strength: 25.43 C Lift Cond Lev (LCL): 880.01 mb = 960.92 m = 3152.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 256 at 5 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 ---------------------------------------------------------- 0 977 209 0 0 -0.0 -0.0 | 76 5 -5.0 -1.2 1 925 600 115 5 -4.5 2.1 | 95 10 -9.6 0.9 2 850 1212 180 5 0.0 5.0 | 127 6 -5.0 3.8 3 700 2628 240 7 6.1 3.5 | 204 2 1.0 2.3 4 500 5000 240 9 7.8 4.5 | 220 4 2.7 3.3 5 400 6480 205 7 3.0 6.3 | 158 6 -2.1 5.1 6 302 8269 160 11 -3.8 10.3 | 136 13 -8.8 9.1 7 300 8310 165 11 -2.8 10.6 | 140 12 -7.9 9.4 8 250 9450 210 9 4.5 7.8 | 175 7 -0.5 6.6 9 200 10850 240 9 7.8 4.5 | 220 4 2.7 3.3 10 150 12650 275 7 7.0 -0.6 | 314 3 1.9 -1.8 11 100 15160 260 9 8.9 1.6 | 265 4 3.8 0.3 Wind Parameters Mean winds (0-6000m): 226.2 at 6.9 knts Storm direction: 256.2 at 5.2 knts Shear (0-3000m) pos: 1.2 neg: 0.1 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 133.7 deg Storm rel helicity (0-3000m) pos: 25.6 neg: -1.3 tot: 24.3 m^2/s^2 ave: 8.1 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 2.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.55 Bulk Shear: 9.38 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 ------------------------------------------------------------------------------- 500 117 3 91 8| 5.1 0.0 5.1| 11.9 -1.3 10.6 21.2 0.52| 8.5 4.4 1000 139 4 103 8| 2.6 0.0 2.6| 19.3 -1.3 18.1 18.1 0.61| 6.6 4.0 1500 160 4 114 7| 2.0 0.0 2.0| 21.9 -1.3 20.6 13.8 0.63| 5.1 3.3 2000 178 5 125 6| 1.6 0.0 1.6| 24.0 -1.3 22.7 11.4 0.65| 4.5 2.9 2500 195 5 136 5| 1.5 0.0 1.5| 25.5 -1.3 24.2 9.7 0.68| 4.0 2.7 3000 207 6 145 5| 1.2 0.1 1.3| 25.6 -1.3 24.3 8.1 0.67| 3.4 2.3 4000 220 6 162 4| 0.9 0.2 1.1| 26.0 -1.3 24.7 6.2 0.66| 2.7 1.8 5000 227 7 177 3| 0.7 0.2 0.9| 26.2 -2.2 24.0 4.8 0.60| 2.3 1.4 6000 226 7 179 4| 0.6 0.3 0.9| 26.2 -6.4 19.7 3.3 0.38| 2.2 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251204.12.gif