UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120112.upa.cvt Date: 1200Z 1 DEC 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 1 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 199 120 1 SFC 999 206 -47.7 -60.7 21 13.0 -47.8 120 1 225.5 225.5 225.4 225.5 0.01 2 932 678 -36.3 -46.3 35 10.0 -36.6 233 21 241.7 241.7 241.2 241.9 0.06 3 925 731 -35.7 -44.7 39 9.0 -36.0 245 23 242.8 242.8 242.2 243.0 0.08 4 850 1331 -24.5 -29.5 63 5.0 -25.0 255 31 260.5 260.5 258.3 261.6 0.39 5 830 1505 -21.5 -25.5 70 4.0 -22.0 255 30 265.4 265.5 262.5 267.1 0.58 6 827 1532 -21.5 -25.7 69 4.2 -22.1 255 30 265.7 265.8 262.7 267.3 0.57 7 721 2525 -29.7 -33.6 69 3.9 -30.0 255 23 267.3 267.4 263.4 268.3 0.31 8 700 2735 -30.3 -34.3 68 4.0 -30.6 255 21 268.9 269.0 264.5 269.8 0.30 9 674 3004 -30.7 -34.8 67 4.1 -31.0 260 21 271.4 271.5 266.2 272.3 0.30 10 519 4810 -43.1 -49.1 52 6.0 -43.3 295 23 277.5 277.5 269.8 277.8 0.08 11 516 4849 -43.1 -49.1 52 6.0 -43.3 296 23 278.0 278.0 270.1 278.3 0.08 12 500 5060 -44.5 -51.5 46 7.0 -44.7 300 23 278.8 278.8 270.5 279.0 0.07 13 400 6520 -53.5 -69.5 13 16.0 -53.7 315 21 285.5 285.5 274.3 285.5 0.01 14 348 7409 -58.5 -79.5 5 21.0 -58.6 323 20 290.3 290.3 276.8 290.3 0.00 15 344 7482 -59.3 -81.3 4 22.0 -59.4 324 20 290.2 290.2 276.7 290.2 0.00 16 334 7666 -61.9 -83.9 4 22.0 -62.0 326 20 289.1 289.1 276.2 289.1 0.00 17 312 8088 -63.3 -84.3 4 21.0 -63.4 330 19 292.8 292.8 278.0 292.8 0.00 18 300 8330 -63.3 -84.3 4 21.0 -63.4 320 21 296.1 296.1 279.6 296.1 0.00 19 256 9312 -63.7 -84.7 4 21.0 -63.8 324 21 309.3 309.3 285.0 309.3 0.00 20 255 9336 -60.5 -82.5 4 22.0 -60.6 324 21 314.3 314.3 286.9 314.3 0.00 21 250 9460 -60.9 -82.9 4 22.0 -61.0 325 21 315.5 315.5 287.3 315.5 0.00 22 200 10840 -61.5 -83.5 4 22.0 -61.6 330 15 335.4 335.4 293.2 335.4 0.00 23 150 12620 -62.5 -83.5 4 21.0 -62.6 325 11 362.4 362.4 299.2 362.4 0.00 24 101 15039 -64.5 -85.5 4 21.0 -64.7 97 7 402.0 402.0 305.5 402.0 0.00 25 100 15100 -64.5 -85.5 4 21.0 -64.7 100 7 403.1 403.1 305.6 403.1 0.00 26 70 17260 -67.1 -87.1 4 20.0 -67.2 90 7 440.8 440.8 310.0 440.8 0.00 27 50 19270 -71.1 -90.1 4 19.0 -71.2 115 21 475.9 475.9 313.1 476.0 0.00 28 39 20732 -73.5 -73.5 100 0.0 -73.5 504.9 504.9 315.3 505.2 0.05 TRP 312 8088 -63.3 -84.3 4 21.0 -63.4 330 19 292.8 292.8 278.0 292.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 4861.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 57.45 % Est. max temperature: -12.50 C = 9.50 F Sfc-Lift cond lev (LCL): 785.28 mb = 1906.58 m = 6255.12 ft T: -24.59 C 700-500 lapse rate: 6.11 C/km Conv cond level (CCL): 999.00 mb = 205.65 m = 674.69 ft Mean mixing ratio: 0.06 g/kg Conv temperature: -46.49 C = -51.69 F Cap Strength: 33.35 C Lifted Index: 33.73 C Risk: None Lifted Index @300 mb: 41.45 C Lifted Index @700 mb: 28.27 C Showalter Index: 14.19 C Risk: None Total Totals Index: 35.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 15.00 C K Index: -13.50 Risk: None Sweat Index: 85.00 Risk: None Energy Index: 3.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 79.02 J/kg Max Up Vert Vel: 12.57 m/s Conv Inhibition (B-): 46132.58 J/kg Cap Strength: 33.57 C Lift Cond Lev (LCL): 827.43 mb = 1527.98 m = 5013.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 17 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 ---------------------------------------------------------- 0 999 206 120 1 -0.9 0.5 | 122 18 -15.1 9.6 1 925 731 245 23 20.8 9.7 | 199 20 6.6 18.8 2 850 1331 255 31 29.9 8.0 | 223 23 15.7 17.1 3 700 2735 255 21 20.3 5.4 | 203 16 6.0 14.5 4 500 5060 300 23 19.9 -11.5 | 293 6 5.7 -2.4 5 400 6520 315 21 14.8 -14.8 | 354 6 0.6 -5.8 6 312 8088 330 19 9.5 -16.5 | 33 9 -4.8 -7.4 7 300 8330 320 21 13.5 -16.1 | 6 7 -0.8 -7.0 8 250 9460 325 21 12.0 -17.2 | 15 8 -2.2 -8.1 9 200 10840 330 15 7.5 -13.0 | 60 8 -6.8 -3.9 10 150 12620 325 11 6.3 -9.0 | 91 8 -7.9 0.1 11 100 15100 100 7 -6.9 1.2 | 116 24 -21.2 10.3 12 70 17260 90 7 -7.0 0.0 | 113 23 -21.3 9.1 13 50 19270 115 21 -19.0 8.9 | 118 38 -33.3 18.0 Wind Parameters Mean winds (0-6000m): 272.5 at 22.5 knts Storm direction: 302.5 at 16.9 knts Shear (0-3000m) pos: 5.0 neg: 1.2 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 89.6 deg Storm rel helicity (0-3000m) pos: 244.1 neg: -30.5 tot: 213.5 m^2/s^2 ave: 71.2 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 6.1 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 3.14 Bulk Shear: 25.13 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 ------------------------------------------------------------------------------- 500 243 11 164 15| 23.1 0.0 23.1|174.6 0.0 174.6 349.3 0.88| 33.5 29.5 1000 247 19 190 17| 15.4 0.0 15.4|226.3 0.0 226.3 226.3 0.90| 21.8 19.5 1500 251 22 202 18| 10.0 0.0 10.0|235.6 -7.0 228.6 152.4 0.83| 15.9 13.1 2000 252 23 206 18| 7.5 0.9 8.4|235.6 -18.8 216.8 108.4 0.72| 12.8 9.3 2500 253 23 206 18| 6.0 1.5 7.4|235.6 -30.5 205.1 82.0 0.62| 11.0 6.9 3000 253 23 206 17| 5.0 1.2 6.2|244.1 -30.5 213.5 71.2 0.63| 9.8 6.1 4000 258 23 210 16| 3.8 0.9 4.7|259.7 -30.5 229.2 57.3 0.64| 8.3 5.3 5000 265 23 217 14| 3.0 0.7 3.7|271.7 -30.5 241.2 48.2 0.67| 7.4 4.9 6000 273 23 226 12| 2.3 0.6 2.9|277.7 -30.5 247.2 41.2 0.69| 6.5 4.5 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20251201.12.gif