UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103112.upa.cvt Date: 1200Z 31 OCT 25 Searching for X4009... Searching the city database file for: X4009 ... Date:1200Z 31 OCT 25 Station: X4009 WMO ident: 34009 Latitude: 51.77 Longitude: 36.17 ------------------------------------------------------------------------------- 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 53 SFC 977 246 9.6 5.8 77 3.8 7.6 240 5 284.6 285.7 281.8 301.2 5.92 2 939 575 8.0 3.0 71 5.0 5.5 265 24 286.3 287.1 281.5 300.5 5.05 3 925 698 4.8 0.4 73 4.4 2.8 275 31 284.2 285.0 279.6 296.2 4.25 4 881 1094 1.8 -4.2 64 6.0 -0.6 266 29 285.1 285.6 278.7 294.2 3.17 5 850 1382 -0.7 -5.1 72 4.4 -2.4 260 27 285.4 285.9 278.7 294.2 3.07 6 785 2011 -5.9 -8.0 85 2.1 -6.7 262 25 286.4 286.9 278.7 294.1 2.66 7 776 2101 -6.9 -9.4 82 2.5 -7.7 262 24 286.3 286.7 278.3 293.3 2.41 8 766 2203 -4.7 -11.7 58 7.0 -7.0 263 24 289.7 290.1 279.4 295.8 2.04 9 743 2442 -5.9 -19.9 32 14.0 -9.6 263 23 290.9 291.1 278.7 294.2 1.06 10 700 2906 -9.7 -22.7 34 13.0 -12.7 265 21 291.7 291.9 278.9 294.5 0.88 11 590 4202 -19.3 -29.3 41 10.0 -21.0 273 16 295.2 295.3 280.0 297.1 0.57 12 516 5184 -26.9 -36.9 38 10.0 -28.0 279 12 297.5 297.6 280.7 298.6 0.31 13 500 5410 -29.1 -40.1 34 11.0 -30.1 280 11 297.6 297.6 280.6 298.4 0.23 14 433 6424 -36.1 -52.1 18 16.0 -36.9 290 15 301.2 301.2 282.0 301.4 0.07 15 400 6970 -39.9 -57.9 13 18.0 -40.5 295 17 303.1 303.1 282.7 303.3 0.04 16 354 7796 -44.9 -62.9 12 18.0 -45.3 307.2 307.2 284.3 307.3 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5357.00 m Freezing level: 858.68 mb = 1301.34 m = 4269.43 ft Wetbulb zero: 889.09 mb = 1019.67 m = 3345.34 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 50.87 % Est. max temperature: 10.72 C = 51.30 F Sfc-Lift cond lev (LCL): 922.14 mb = 723.20 m = 2372.67 ft T: 4.61 C 700-500 lapse rate: 7.75 C/km ThetaE index: 6.96 C Layer 939.0- 850.0 mb Conv cond level (CCL): 859.32 mb = 1294.26 m = 4246.21 ft Mean mixing ratio: 4.47 g/kg Conv temperature: 10.28 C = 50.50 F Cap Strength: 1.73 C Lifted Index: 1.50 C Risk: Showers probable Lifted Index @700 mb: 1.06 C Showalter Index: 3.99 C Risk: None Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.40 C Cross Totals Index: 24.00 C K Index: 10.30 Risk: None Sweat Index: 133.00 Risk: None Energy Index: 0.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.78 J/kg Max Up Vert Vel: 7.18 m/s Conv Inhibition (B-): 6.44 J/kg Cap Strength: 1.71 C Lift Cond Lev (LCL): 862.76 mb = 1262.19 m = 4140.98 ft Lev Free Conv (LFC): 847.76 mb = 1402.89 m = 4602.59 ft Equ Level (EL): 767.76 mb = 2185.06 m = 7168.73 ft B at Equ Level: 24.61 J/kg Max Parcel Lev (MPL): 717.76 mb = 2711.16 m = 8894.77 ft Wind level data Storm motion: 299 at 14 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 ---------------------------------------------------------- 0 977 246 240 5 4.3 2.5 | 139 12 -8.2 9.4 1 925 698 275 31 30.9 -2.7 | 257 19 18.4 4.1 2 850 1382 260 27 26.6 4.7 | 231 18 14.1 11.5 3 700 2906 265 21 20.9 1.8 | 224 12 8.4 8.7 4 500 5410 280 11 10.8 -1.9 | 161 5 -1.7 4.9 5 400 6970 295 17 15.4 -7.2 | 277 3 2.9 -0.3 Wind Parameters Mean winds (0-6000m): 268.7 at 19.0 knts Storm direction: 298.7 at 14.3 knts Shear (0-3000m) pos: 3.8 neg: 1.4 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 87.8 neg: -46.0 tot: 41.7 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 314.07 Bulk Shear: 0.08 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 ------------------------------------------------------------------------------- 500 271 19 226 9| 27.5 0.0 27.5| 87.8 0.0 87.8 175.5 0.93| 29.0 27.0 1000 270 24 239 14| 13.7 3.2 17.0| 87.8 -30.6 57.1 57.1 0.58| 17.8 10.2 1500 267 25 236 15| 9.2 2.8 11.9| 87.8 -39.6 48.2 32.1 0.48| 12.9 6.2 2000 265 25 234 15| 6.5 2.1 8.5| 87.8 -41.6 46.2 23.1 0.44| 10.2 4.5 2500 265 24 233 15| 4.8 1.7 6.5| 87.8 -44.0 43.8 17.5 0.41| 8.6 3.5 3000 265 24 232 14| 3.8 1.4 5.2| 87.8 -46.0 41.7 13.9 0.37| 7.5 2.8 4000 266 22 229 13| 2.5 1.0 3.5| 87.8 -50.7 37.1 9.3 0.29| 6.2 1.8 5000 267 20 225 11| 1.7 0.8 2.5| 87.8 -56.3 31.5 6.3 0.20| 5.4 1.1 6000 269 19 222 10| 1.7 0.7 2.4| 90.2 -57.1 33.1 5.5 0.22| 4.9 1.1 Wrote GIF file: /home/apache/climate/data/raob//X4009/skewt/X4009.skewt.20251031.12.gif