UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 7 OCT 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 1022 -174 0.0 -4.0 74 4.0 -1.4 0 0 271.5 271.9 270.5 279.0 2.78 1 1000 0 0.2 -4.5 71 4.7 -1.5 357 1 273.4 273.8 271.6 280.8 2.73 2 986 159 -1.9 -7.9 63 6.0 -3.8 355 1 272.3 272.7 270.1 278.2 2.13 3 925 863 -5.9 -9.1 78 3.2 -6.9 345 3 273.3 273.6 270.5 279.0 2.07 4 850 1517 -11.5 -14.0 82 2.5 -12.1 345 7 274.1 274.4 270.2 278.4 1.52 5 814 1846 -15.1 -16.1 92 1.0 -15.3 348 9 273.7 273.9 269.6 277.5 1.34 6 776 2209 -12.5 -23.5 39 11.0 -14.6 352 12 280.3 280.4 272.6 282.5 0.74 7 715 2830 -15.7 -29.7 29 14.0 -17.9 358 16 283.4 283.5 273.9 284.8 0.46 8 700 2989 -16.7 -31.7 26 15.0 -18.9 360 17 284.0 284.1 274.1 285.2 0.38 9 500 5430 -32.3 -47.3 21 15.0 -33.2 360 31 293.7 293.7 278.6 294.0 0.11 10 469 5881 -35.1 -51.1 18 16.0 -35.9 357 33 295.6 295.6 279.5 295.9 0.07 11 450 6170 -36.5 -44.5 43 8.0 -37.0 355 34 297.4 297.4 280.4 297.9 0.16 12 410 6812 -41.1 -45.5 62 4.4 -41.3 351 37 299.5 299.5 281.3 300.0 0.16 13 400 6980 -42.1 -46.6 61 4.5 -42.3 350 38 300.3 300.3 281.7 300.8 0.14 14 300 8870 -54.3 -59.3 54 5.0 -54.4 345 44 308.8 308.8 284.9 309.0 0.04 15 284 9220 -56.5 -62.5 47 6.0 -56.6 310.5 310.5 285.5 310.6 0.03 16 252 9982 -54.1 -63.1 32 9.0 -54.3 324.9 324.9 290.3 325.0 0.03 TRP WND Sounding variables and indices 1000-500 mb thick: 5430.00 m Freezing level: 998.67 mb = 15.10 m = 49.54 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 44.79 % Est. max temperature: 2.42 C = 36.36 F Sfc-Lift cond lev (LCL): 960.07 mb = 452.46 m = 1484.43 ft T: -3.57 C 700-500 lapse rate: 6.39 C/km ThetaE index: 2.61 C Layer 986.0- 925.0 mb Conv cond level (CCL): 891.46 mb = 1148.70 m = 3768.65 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 2.21 C = 35.98 F Cap Strength: 6.66 C Lifted Index: 12.39 C Risk: None Lifted Index @300 mb: 21.09 C Lifted Index @700 mb: 6.66 C Showalter Index: 12.86 C Risk: None Total Totals Index: 39.10 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 18.30 C K Index: -8.20 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 3.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.27 J/kg Max Up Vert Vel: 3.81 m/s Conv Inhibition (B-): 14.77 J/kg Cap Strength: 12.24 C Lift Cond Lev (LCL): 903.82 mb = 1042.18 m = 3419.20 ft Lev Free Conv (LFC): 838.82 mb = 1617.71 m = 5307.37 ft Equ Level (EL): 798.82 mb = 1988.96 m = 6525.38 ft B at Equ Level: 2.65 J/kg Max Parcel Lev (MPL): 788.82 mb = 2084.57 m = 6839.05 ft Wind level data Storm motion: 28 at 12 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 1022 -174 0 0 -0.0 -0.0 | 208 12 5.9 10.9 1 925 863 345 3 0.8 -2.9 | 220 10 6.6 8.0 2 850 1517 345 7 1.8 -6.8 | 242 9 7.7 4.1 3 700 2989 360 17 -0.0 -17.0 | 316 8 5.9 -6.1 4 500 5430 360 31 -0.0 -31.0 | 344 21 5.9 -20.1 5 400 6980 350 38 6.6 -37.4 | 335 29 12.5 -26.5 6 300 8870 345 44 11.4 -42.5 | 331 36 17.3 -31.6 Wind Parameters Mean winds (0-6000m): 358.4 at 16.5 knts Storm direction: 28.4 at 12.4 knts Shear (0-3000m) pos: 1.8 neg: 1.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 100.0 deg Storm rel helicity (0-3000m) pos: 34.3 neg: 0.0 tot: 34.3 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.91 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.22 Bulk Shear: 33.26 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 ------------------------------------------------------------------------------- 500 336 1 211 12| 0.0 1.5 1.5| 2.7 0.0 2.7 5.5 0.61| 1.5 0.9 1000 345 1 213 11| 0.0 1.5 1.5| 6.2 0.0 6.2 6.2 0.72| 1.5 1.1 1500 345 3 218 11| 0.0 2.0 2.0| 12.9 0.0 12.9 8.6 0.80| 2.0 1.6 2000 346 4 224 10| 0.8 1.5 2.3| 19.9 0.0 19.9 10.0 0.85| 2.4 2.0 2500 348 5 232 9| 1.4 1.2 2.6| 27.0 0.0 27.0 10.8 0.89| 2.6 2.3 3000 352 7 241 8| 1.8 1.0 2.8| 34.3 0.0 34.3 11.4 0.91| 2.8 2.6 4000 356 10 264 7| 1.7 1.1 2.8| 44.2 0.0 44.2 11.1 0.84| 2.9 2.4 5000 358 13 291 7| 1.4 1.5 2.8| 53.1 0.0 53.1 10.6 0.75| 2.9 2.2 6000 358 16 311 8| 1.1 1.7 2.8| 58.5 -5.0 53.4 8.9 0.63| 2.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251007.12.gif