UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 5 DEC 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1005 71 -20.3 -24.7 68 4.4 -20.8 330 9 252.5 252.6 252.0 253.9 0.51 1 1000 108 -20.5 -24.9 68 4.4 -21.0 330 9 252.6 252.7 252.1 254.0 0.51 2 952 469 -24.7 -29.7 63 5.0 -25.2 327 10 252.0 252.0 251.2 252.9 0.34 3 925 680 -21.5 -28.5 53 7.0 -22.2 325 11 257.3 257.4 255.8 258.4 0.39 4 903 859 -18.3 -25.3 54 7.0 -19.3 325 12 262.4 262.5 260.2 263.9 0.54 5 850 1311 -18.9 -26.9 49 8.0 -20.0 325 13 266.3 266.4 263.0 267.8 0.50 6 811 1660 -19.3 -27.3 49 8.0 -20.4 324 14 269.5 269.6 265.3 271.0 0.50 7 700 2742 -24.5 -36.5 32 12.0 -25.6 320 17 275.4 275.4 268.7 276.1 0.24 8 637 3427 -26.5 -41.5 23 15.0 -27.7 319 19 280.6 280.6 271.8 281.1 0.16 9 500 5140 -37.7 -51.7 22 14.0 -38.2 315 23 287.1 287.1 275.2 287.3 0.06 10 400 6630 -50.3 -63.3 20 13.0 -50.5 310 27 289.6 289.6 276.5 289.7 0.02 11 300 8480 -57.1 -69.1 20 12.0 -57.2 310 35 304.9 304.9 283.4 304.9 0.01 12 250 9640 -54.5 -67.5 19 13.0 -54.7 305 35 325.0 325.0 290.3 325.1 0.02 13 200 11070 -53.5 -67.5 17 14.0 -53.8 305 38 348.0 348.1 296.2 348.1 0.02 14 182 11678 -53.3 -68.3 14 15.0 -53.6 303 40 357.9 357.9 298.3 358.0 0.02 15 150 12920 -54.9 -71.9 10 17.0 -55.2 300 44 375.5 375.5 301.5 375.6 0.02 16 127 13978 -55.7 -73.7 9 18.0 -56.1 298 47 392.3 392.4 304.2 392.4 0.01 17 100 15480 -59.9 -77.9 8 18.0 -60.2 295 52 412.0 412.0 306.7 412.0 0.01 18 95 15801 -59.9 -77.9 8 18.0 -60.2 295 53 418.1 418.1 307.5 418.1 0.01 19 70 17690 -64.5 -82.5 7 18.0 -64.7 295 56 446.4 446.4 310.5 446.4 0.01 20 50 19740 -68.3 -86.3 6 18.0 -68.5 290 58 482.5 482.5 313.7 482.6 0.00 21 30 22760 -73.7 -91.7 5 18.0 -73.9 285 64 543.7 543.7 317.8 543.7 0.00 22 20 25120 -75.8 -92.9 5 17.1 -76.0 280 71 604.1 604.1 320.8 604.1 0.00 23 19 25416 -76.1 -93.1 5 17.0 -76.3 612.1 612.1 321.2 612.2 0.00 TRP 300 8480 -57.1 -69.1 20 12.0 -57.2 310 35 304.9 304.9 283.4 304.9 0.01 WND 20 25120 -75.8 -92.9 5 17.1 -76.0 280 71 604.1 604.1 320.8 604.1 0.00 Sounding variables and indices 1000-500 mb thick: 5032.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 37.16 % Est. max temperature: -6.81 C = 19.74 F Sfc-Lift cond lev (LCL): 934.53 mb = 604.88 m = 1984.48 ft T: -22.64 C 700-500 lapse rate: 5.50 C/km ThetaE index: 1.11 C Layer 952.0- 925.0 mb Conv cond level (CCL): 550.30 mb = 4462.04 m = 14639.06 ft Mean mixing ratio: 0.42 g/kg Conv temperature: 11.83 C = 53.29 F Cap Strength: 22.11 C Lifted Index: 25.80 C Risk: None Lifted Index @300 mb: 34.87 C Lifted Index @700 mb: 18.14 C Showalter Index: 15.95 C Risk: None Total Totals Index: 29.60 C Risk: None Vertical Totals Index: 18.80 C Cross Totals Index: 10.80 C K Index: -20.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 4.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 33.30 J/kg Max Up Vert Vel: 8.16 m/s Conv Inhibition (B-): 58013.56 J/kg Cap Strength: 25.76 C Lift Cond Lev (LCL): 872.20 mb = 1118.34 m = 3669.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 13 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 1005 71 330 9 4.5 -7.8 | 199 6 1.8 5.2 1 1000 108 330 9 4.5 -7.8 | 199 6 1.8 5.2 2 925 680 325 11 6.3 -9.0 | 222 5 3.6 4.0 3 850 1311 325 13 7.5 -10.6 | 244 5 4.8 2.4 4 700 2742 320 17 10.9 -13.0 | 270 8 8.3 -0.0 5 500 5140 315 23 16.3 -16.3 | 283 14 13.6 -3.3 6 400 6630 310 27 20.7 -17.4 | 284 19 18.0 -4.4 7 300 8480 310 35 26.8 -22.5 | 291 26 24.1 -9.5 8 250 9640 305 35 28.7 -20.1 | 285 27 26.0 -7.1 9 200 11070 305 38 31.1 -21.8 | 287 30 28.5 -8.8 10 150 12920 300 44 38.1 -22.0 | 284 37 35.4 -9.0 11 100 15480 295 52 47.1 -22.0 | 281 45 44.5 -9.0 12 70 17690 295 56 50.8 -23.7 | 283 49 48.1 -10.7 13 50 19740 290 58 54.5 -19.8 | 278 52 51.8 -6.8 14 30 22760 285 64 61.8 -16.6 | 273 59 59.2 -3.6 15 20 25120 280 71 69.9 -12.3 | 269 67 67.3 0.7 Wind Parameters Mean winds (0-6000m): 318.4 at 17.7 knts Storm direction: 348.4 at 13.3 knts Shear (0-3000m) pos: 0.0 neg: 1.6 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 73.9 deg Storm rel helicity (0-3000m) pos: 12.0 neg: 0.0 tot: 12.0 m^2/s^2 ave: 4.0 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 1.6 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 3.70 Bulk Shear: 8.99 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 ------------------------------------------------------------------------------- 500 328 10 208 5| 0.0 1.8 1.8| 2.5 0.0 2.5 4.9 0.99| 1.8 1.8 1000 326 11 217 5| 0.0 1.7 1.7| 4.8 0.0 4.8 4.8 0.99| 1.8 1.7 1500 326 11 226 5| 0.0 1.7 1.7| 6.8 0.0 6.8 4.5 0.97| 1.7 1.6 2000 325 12 234 5| 0.0 1.6 1.6| 8.6 0.0 8.6 4.3 0.92| 1.6 1.5 2500 324 13 242 6| 0.0 1.6 1.6| 10.3 0.0 10.3 4.1 0.86| 1.6 1.4 3000 323 14 249 6| 0.0 1.6 1.6| 12.0 0.0 12.0 4.0 0.82| 1.6 1.3 4000 322 15 259 7| 0.0 1.5 1.5| 15.0 0.0 15.0 3.7 0.73| 1.5 1.1 5000 320 16 266 8| 0.0 1.5 1.5| 17.5 0.0 17.5 3.5 0.65| 1.5 1.0 6000 318 18 271 9| 0.0 1.5 1.5| 18.0 -0.0 18.0 3.0 0.55| 1.5 0.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251205.12.gif