UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101112.upa.cvt Date: 1200Z 11 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 11 OCT 25 Station: X4172 WMO ident: 34172 Latitude: 51.57 Longitude: 46.03 ------------------------------------------------------------------------------- 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 51 SFC 986 169 14.4 0.4 38 14.0 7.6 120 9 288.7 289.4 281.4 300.2 3.99 2 850 1385 1.0 -6.0 59 7.0 -1.7 70 15 287.2 287.7 279.3 295.5 2.87 3 768 2191 -4.7 -9.6 69 4.9 -6.4 96 14 289.5 289.9 279.8 296.6 2.40 4 700 2920 -4.3 -9.3 68 5.0 -6.2 120 13 297.7 298.2 283.8 305.9 2.70 5 651 3490 -6.9 -9.5 82 2.6 -7.9 117 12 301.0 301.6 285.2 309.8 2.86 6 500 5500 -20.1 -25.1 64 5.0 -21.1 105 7 308.5 308.7 286.0 311.8 1.00 7 485 5725 -21.3 -27.3 58 6.0 -22.5 113 6 309.8 309.9 286.2 312.6 0.84 8 400 7110 -32.9 -40.9 45 8.0 -33.6 160 3 312.2 312.3 286.5 313.2 0.27 9 314 8768 -46.3 -54.3 40 8.0 -46.6 122 10 315.9 316.0 287.5 316.2 0.08 10 300 9070 -47.9 -54.9 44 7.0 -48.1 115 11 317.8 317.9 288.1 318.1 0.07 TRP WND Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: 835.61 mb = 1526.37 m = 5007.70 ft Wetbulb zero: 875.21 mb = 1145.55 m = 3758.33 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 65.95 % Est. max temperature: 13.27 C = 55.89 F Sfc-Lift cond lev (LCL): 797.77 mb = 1888.69 m = 6196.40 ft T: -2.56 C 700-500 lapse rate: 6.12 C/km ThetaE index: 4.68 C Layer 850.0- 768.0 mb Conv cond level (CCL): 771.84 mb = 2151.13 m = 7057.42 ft Mean mixing ratio: 3.57 g/kg Conv temperature: 15.08 C = 59.14 F Cap Strength: 7.44 C Lifted Index: 9.91 C Risk: None Lifted Index @300 mb: 13.78 C Lifted Index @700 mb: 5.99 C Showalter Index: 12.05 C Risk: None Total Totals Index: 35.20 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 14.10 C K Index: 10.10 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.81 J/kg Max Up Vert Vel: 4.86 m/s Conv Inhibition (B-): 2502.76 J/kg Cap Strength: 9.76 C Lift Cond Lev (LCL): 785.31 mb = 2013.79 m = 6606.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 140 at 9 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 ---------------------------------------------------------- 0 986 169 120 9 -7.8 4.5 | 39 3 -1.9 -2.4 1 925 700 135 23 -16.3 16.3 | 132 14 -10.4 9.3 2 850 1385 70 15 -14.1 -5.1 | 34 15 -8.2 -12.0 3 700 2920 120 13 -11.3 6.5 | 86 5 -5.4 -0.4 4 500 5500 105 7 -6.8 1.8 | 10 5 -0.9 -5.1 5 400 7110 160 3 -1.0 2.8 | 310 6 4.8 -4.1 6 300 9070 115 11 -10.0 4.6 | 61 5 -4.1 -2.3 Wind Parameters Mean winds (0-6000m): 109.8 at 12.1 knts Storm direction: 139.8 at 9.1 knts Shear (0-3000m) pos: 3.5 neg: 3.1 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 40.2 deg Storm rel helicity (0-3000m) pos: 34.9 neg: -77.4 tot: -42.5 m^2/s^2 ave: -14.2 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 8.3 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.45 Bulk Shear: 4.83 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 ------------------------------------------------------------------------------- 500 130 16 118 7| 14.0 0.0 14.0| 14.6 0.0 14.6 29.2 0.63| 14.3 8.9 1000 123 18 108 10| 7.0 7.9 14.9| 14.6 -55.4 -40.8 -40.8 -0.25| 15.5 -3.8 1500 112 17 87 10| 4.7 6.3 10.9| 19.2 -76.7 -57.6 -38.4 -0.31| 13.1 -4.1 2000 106 16 76 10| 4.3 4.7 9.0| 27.4 -76.7 -49.3 -24.7 -0.22| 10.9 -2.4 2500 105 16 74 10| 4.0 3.8 7.8| 33.0 -76.7 -43.7 -17.5 -0.14| 9.5 -1.4 3000 107 15 74 9| 3.5 3.1 6.6| 34.9 -77.4 -42.5 -14.2 -0.12| 8.3 -1.0 4000 109 14 73 8| 2.6 2.6 5.2| 34.9 -80.6 -45.7 -11.4 -0.17| 6.6 -1.1 5000 109 13 69 7| 2.1 2.3 4.4| 34.9 -83.7 -48.7 -9.7 -0.20| 5.5 -1.1 6000 110 12 63 6| 1.8 1.9 3.7| 34.9 -87.6 -52.6 -8.8 -0.25| 4.9 -1.2 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251011.12.gif