UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 21 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 128 SFC 996 161 10.4 5.4 71 5.0 7.8 170 7 283.9 284.9 281.1 299.6 5.65 2 890 1073 -0.9 -3.6 82 2.7 -2.0 281.5 282.0 277.0 290.7 3.29 3 888 1091 -1.3 -4.1 81 2.8 -2.4 281.2 281.8 276.7 290.2 3.17 4 850 1439 0.2 -6.8 59 7.0 -2.4 270 5 286.4 286.8 278.7 294.2 2.70 5 809 1833 -1.3 -14.3 36 13.0 -5.4 288.8 289.1 278.4 293.5 1.56 6 756 2369 -4.5 -28.5 13 24.0 -9.6 291.0 291.1 277.9 292.6 0.48 7 700 2969 -9.1 -31.1 15 22.0 -13.2 180 15 292.4 292.5 278.5 293.7 0.41 8 589 4286 -16.9 -34.9 19 18.0 -19.6 298.1 298.2 281.0 299.3 0.33 9 586 4324 -17.1 -35.1 19 18.0 -19.8 298.3 298.4 281.1 299.4 0.33 10 526 5123 -24.9 -32.9 47 8.0 -26.0 298.3 298.4 281.3 299.8 0.46 11 500 5490 -26.9 -32.9 57 6.0 -27.7 180 38 300.2 300.3 282.1 301.8 0.48 12 488 5664 -27.9 -33.9 56 6.0 -28.6 301.1 301.2 282.4 302.6 0.45 13 454 6177 -30.3 -36.3 56 6.0 -31.0 304.4 304.5 283.7 305.7 0.38 14 400 7060 -37.1 -43.1 54 6.0 -37.5 165 64 306.8 306.8 284.4 307.5 0.21 15 399 7077 -37.5 -43.5 53 6.0 -37.9 306.5 306.5 284.2 307.2 0.20 16 374 7521 -40.3 -46.3 53 6.0 -40.6 308.5 308.5 284.9 309.1 0.16 17 351 7951 -43.5 -51.5 41 8.0 -43.8 309.8 309.8 285.4 310.2 0.09 TRP WND 300 165 77 Sounding variables and indices 1000-500 mb thick: 5362.00 m Freezing level: 898.44 mb = 1000.65 m = 3282.92 ft Freezing level: 855.07 mb = 1392.62 m = 4568.91 ft Freezing level: 844.53 mb = 1491.58 m = 4893.57 ft Wetbulb zero: 911.37 mb = 880.99 m = 2890.34 ft Precipitable water: 0.35 inches Sfc-500 mean rel hum: 38.18 % Est. max temperature: 13.11 C = 55.60 F Sfc-Lift cond lev (LCL): 923.17 mb = 776.67 m = 2548.09 ft T: 2.77 C 700-500 lapse rate: 7.06 C/km ThetaE index: 9.42 C Layer 890.0- 850.0 mb Conv cond level (CCL): 906.56 mb = 923.83 m = 3030.90 ft Mean mixing ratio: 4.52 g/kg Conv temperature: 8.43 C = 47.17 F Cap Strength: 5.38 C Lifted Index: 5.34 C Risk: None Lifted Index @700 mb: 3.07 C Showalter Index: 6.21 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 20.10 C K Index: -1.70 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 1.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.03 J/kg Max Up Vert Vel: 3.75 m/s Conv Inhibition (B-): 0.12 J/kg Cap Strength: 5.37 C Lift Cond Lev (LCL): 894.95 mb = 1028.31 m = 3373.69 ft Lev Free Conv (LFC): 889.95 mb = 1073.72 m = 3522.66 ft Equ Level (EL): 869.95 mb = 1254.46 m = 4115.64 ft B at Equ Level: 6.93 J/kg Max Parcel Lev (MPL): 849.95 mb = 1439.44 m = 4722.53 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 300 9762 165 77 -19.9 74.4 1 996 161 170 7 -1.2 6.9 2 925 766 200 11 3.8 10.3 3 850 1439 270 5 5.0 -0.0 4 700 2969 180 15 0.0 15.0 5 500 5490 180 38 0.0 38.0 6 400 7060 165 64 -16.6 61.8 7 300 9000 165 77 -19.9 74.4 Wind Parameters Energy-Hel index: -0.44 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251021.12.gif