UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121200.upa.cvt Date: 0000Z 12 DEC 25 Searching for U8445... Searching the city database file for: U8445 ... Date:0000Z 12 DEC 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 94 SFC 976 284 -6.9 -10.7 74 3.8 -7.9 200 3 268.1 268.4 266.6 272.8 1.73 2 964 381 -5.3 -9.9 70 4.6 -6.7 209 8 270.7 271.0 268.5 275.8 1.87 3 925 704 -6.9 -10.8 74 3.9 -8.0 240 23 272.3 272.6 269.5 277.3 1.81 4 919 755 -6.9 -10.6 75 3.7 -7.9 242 24 272.8 273.1 269.9 277.9 1.85 5 905 875 -4.3 -7.3 80 3.0 -5.3 246 26 276.6 277.0 273.1 283.5 2.44 6 850 1370 -3.9 -6.7 81 2.8 -4.9 265 36 282.1 282.5 276.6 289.8 2.72 7 833 1529 -4.1 -7.1 80 3.0 -5.2 264 36 283.5 283.9 277.3 291.2 2.69 8 733 2530 -8.3 -11.9 75 3.6 -9.4 261 38 289.5 289.8 279.4 295.7 2.09 9 700 2886 -10.7 -14.7 72 4.0 -11.9 260 38 290.6 290.9 279.5 295.9 1.74 10 648 3474 -15.3 -18.8 75 3.5 -16.2 261 39 291.9 292.2 279.6 296.0 1.34 11 603 4014 -17.7 -20.7 77 3.0 -18.4 262 40 295.2 295.4 280.9 299.0 1.22 12 575 4370 -17.7 -19.9 83 2.2 -18.2 263 40 299.3 299.5 282.8 303.6 1.37 13 500 5400 -24.9 -28.0 75 3.1 -25.4 265 42 302.7 302.8 283.5 305.2 0.76 14 479 5712 -26.9 -29.7 77 2.8 -27.3 268 44 303.9 304.1 283.9 306.2 0.68 15 418 6689 -31.7 -34.6 75 2.9 -32.0 277 52 309.9 310.0 285.9 311.5 0.49 16 400 7000 -34.3 -37.6 72 3.3 -34.6 280 54 310.4 310.5 285.9 311.7 0.38 17 306 8811 -49.5 -53.0 67 3.5 -49.6 280 61 313.8 313.8 286.8 314.1 0.09 18 300 8940 -50.3 -53.8 66 3.5 -50.4 280 62 314.5 314.5 287.0 314.8 0.08 19 263 9790 -55.9 -59.4 65 3.5 -56.0 287 66 318.3 318.3 288.2 318.5 0.05 20 250 10110 -59.3 -63.0 62 3.7 -59.3 290 68 317.9 317.9 288.1 318.0 0.03 21 236 10467 -62.5 -66.1 62 3.6 -62.6 290 69 318.4 318.4 288.2 318.4 0.02 22 219 10924 -64.7 -68.5 59 3.8 -64.7 290 71 321.8 321.8 289.3 321.9 0.02 23 208 11236 -67.9 -71.6 59 3.7 -67.9 290 73 321.6 321.6 289.2 321.6 0.01 24 205 11323 -68.4 -72.2 58 3.7 -68.4 290 73 322.1 322.1 289.4 322.2 0.01 25 200 11470 -69.3 -73.1 58 3.8 -69.3 290 71 323.0 323.0 289.7 323.0 0.01 26 195 11622 -70.1 -73.8 58 3.7 -70.1 290 68 324.1 324.1 290.0 324.1 0.01 27 192 11714 -70.1 -73.8 58 3.7 -70.1 289 67 325.5 325.5 290.5 325.6 0.01 28 179 12138 -65.3 -69.1 59 3.8 -65.3 287 62 340.0 340.0 294.3 340.0 0.02 29 150 13220 -64.9 -68.8 58 3.9 -65.0 280 50 358.3 358.3 298.4 358.4 0.02 30 146 13384 -64.1 -68.1 58 4.0 -64.1 281 50 362.4 362.5 299.2 362.6 0.03 31 100 15660 -69.1 -73.3 54 4.2 -69.1 290 46 394.2 394.2 304.4 394.3 0.02 32 97 15842 -69.5 -73.7 54 4.2 -69.5 396.9 396.9 304.8 397.0 0.02 TRP 195 11622 -70.1 -73.8 58 3.7 -70.1 290 68 324.1 324.1 290.0 324.1 0.01 WND 205 11323 -68.4 -72.2 58 3.7 -68.4 290 73 322.1 322.1 289.4 322.2 0.01 Sounding variables and indices 1000-500 mb thick: 5306.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.39 inches Sfc-500 mean rel hum: 76.96 % Est. max temperature: 8.76 C = 47.77 F Sfc-Lift cond lev (LCL): 918.72 mb = 757.21 m = 2484.26 ft T: -6.85 C 700-500 lapse rate: 5.65 C/km Conv cond level (CCL): 672.78 mb = 3187.94 m = 10458.99 ft Mean mixing ratio: 2.08 g/kg Conv temperature: 16.14 C = 61.04 F Cap Strength: 17.73 C Lifted Index: 19.41 C Risk: None Lifted Index @300 mb: 24.80 C Lifted Index @700 mb: 12.31 C Showalter Index: 11.47 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 18.20 C K Index: 10.30 Risk: None Sweat Index: 114.00 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.05 J/kg Max Up Vert Vel: 9.39 m/s Conv Inhibition (B-): 17371.31 J/kg Cap Strength: 19.31 C Lift Cond Lev (LCL): 873.34 mb = 1156.26 m = 3793.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 293 at 28 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 ---------------------------------------------------------- 0 976 284 200 3 1.0 2.8 | 119 28 -24.6 13.5 1 925 704 240 23 19.9 11.5 | 165 23 -5.8 22.2 2 850 1370 265 36 35.9 3.1 | 216 17 10.2 13.8 3 700 2886 260 38 37.4 6.6 | 214 21 11.7 17.3 4 500 5400 265 42 41.8 3.7 | 228 22 16.2 14.3 5 400 7000 280 54 53.2 -9.4 | 267 28 27.5 1.3 6 300 8940 280 62 61.1 -10.8 | 270 35 35.4 -0.1 7 250 10110 290 68 63.9 -23.3 | 288 40 38.2 -12.6 8 205 11323 290 73 68.6 -25.0 | 288 45 42.9 -14.3 9 200 11470 290 71 66.7 -24.3 | 288 43 41.0 -13.6 10 195 11622 290 68 63.9 -23.3 | 288 40 38.2 -12.6 11 150 13220 280 50 49.2 -8.7 | 265 24 23.6 2.0 12 100 15660 290 46 43.2 -15.7 | 286 18 17.6 -5.0 Wind Parameters Mean winds (0-6000m): 262.6 at 37.1 knts Storm direction: 292.6 at 27.8 knts Shear (0-3000m) pos: 6.2 neg: 0.4 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 97.7 deg Storm rel helicity (0-3000m) pos: 243.0 neg: -3.7 tot: 239.3 m^2/s^2 ave: 79.8 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 6.7 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.55 Bulk Shear: 80.46 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 ------------------------------------------------------------------------------- 500 237 15 144 23| 23.1 0.0 23.1|159.2 0.0 159.2 318.4 0.96| 24.9 23.9 1000 249 22 165 19| 17.0 0.0 17.0|226.7 0.0 226.7 226.7 0.95| 19.5 18.6 1500 256 27 180 17| 12.1 0.0 12.1|238.4 -0.8 237.6 158.4 0.93| 14.2 13.2 2000 258 29 190 17| 9.1 0.3 9.4|238.4 -1.9 236.5 118.2 0.90| 11.0 9.9 2500 259 31 196 17| 7.3 0.5 7.8|238.4 -3.4 235.1 94.0 0.87| 9.1 7.8 3000 259 32 199 18| 6.2 0.4 6.6|243.0 -3.7 239.3 79.8 0.86| 7.7 6.7 4000 260 34 205 18| 4.9 0.3 5.2|254.6 -3.7 250.9 62.7 0.87| 6.1 5.3 5000 261 35 210 19| 4.1 0.3 4.3|266.5 -3.7 262.8 52.6 0.87| 5.1 4.4 6000 263 37 216 19| 4.0 0.2 4.3|321.8 -3.7 318.1 53.0 0.89| 5.1 4.5 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20251212.00.gif