UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 6 DEC 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 ------------------------------------------------------------------------------- SFC 1010 164 0.8 -2.6 78 3.4 -0.5 50 1 273.2 273.7 272.1 281.7 3.12 1 925 859 -7.3 -10.5 78 3.2 -8.2 350 27 271.8 272.2 269.3 277.0 1.85 2 907 1012 -8.7 -11.2 82 2.5 -9.4 334 26 271.9 272.2 269.2 276.9 1.79 3 850 1513 -10.1 -12.1 85 2.0 -10.6 280 21 275.6 275.9 271.5 280.6 1.78 4 824 1752 -11.1 -13.1 85 2.0 -11.6 261 21 277.0 277.3 272.2 281.8 1.69 5 818 1808 -8.5 -10.3 87 1.8 -9.1 256 21 280.3 280.7 274.8 286.4 2.13 6 779 2188 -7.3 -17.3 45 10.0 -9.9 226 22 285.5 285.8 276.3 289.3 1.26 7 778 2198 -7.1 -17.1 45 10.0 -9.8 225 22 285.9 286.1 276.5 289.7 1.28 8 700 3022 -7.1 -18.1 41 11.0 -10.2 160 23 294.6 294.9 280.8 298.7 1.31 9 652 3571 -11.7 -25.7 30 14.0 -14.7 186 22 295.5 295.6 280.4 297.8 0.72 10 524 5222 -18.7 -37.7 17 19.0 -21.4 268 20 306.1 306.2 284.2 307.1 0.28 11 471 6006 -25.9 -43.9 17 18.0 -27.6 306.7 306.7 284.3 307.3 0.17 TRP WND Sounding variables and indices 1000-500 mb thick: 5323.89 m Freezing level: 1001.60 mb = 232.65 m = 763.27 ft Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 47.55 % Est. max temperature: 2.54 C = 36.58 F Sfc-Lift cond lev (LCL): 957.84 mb = 583.20 m = 1913.36 ft T: -4.09 C 700-500 lapse rate: 5.80 C/km ThetaE index: 4.76 C Layer 925.0- 850.0 mb Conv cond level (CCL): 924.72 mb = 861.36 m = 2825.96 ft Mean mixing ratio: 2.38 g/kg Conv temperature: -0.53 C = 31.04 F Cap Strength: 23.06 C Lifted Index: 22.88 C Risk: None Lifted Index @700 mb: 16.35 C Showalter Index: 21.59 C Risk: None Total Totals Index: 21.53 C Risk: None Vertical Totals Index: 11.77 C Cross Totals Index: 9.77 C K Index: -11.33 Risk: None Energy Index: 5.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.78 J/kg Max Up Vert Vel: 3.09 m/s Conv Inhibition (B-): 2.66 J/kg Cap Strength: 23.01 C Lift Cond Lev (LCL): 916.43 mb = 931.30 m = 3055.41 ft Lev Free Conv (LFC): 911.43 mb = 973.79 m = 3194.81 ft Equ Level (EL): 881.43 mb = 1232.53 m = 4043.70 ft B at Equ Level: 3.61 J/kg Max Parcel Lev (MPL): 861.43 mb = 1409.83 m = 4625.38 ft Wind level data Storm motion: 272 at 16 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 1010 164 50 1 -0.8 -0.6 | 90 16 -16.3 -0.0 1 1000 247 65 3 -2.7 -1.3 | 88 18 -18.2 -0.7 2 925 859 350 27 4.7 -26.6 | 23 28 -10.8 -26.0 3 850 1513 280 21 20.7 -3.6 | 300 6 5.2 -3.0 4 700 3022 160 23 -7.9 21.6 | 134 32 -23.4 22.2 5 500 5560 285 19 18.4 -4.9 | 327 5 2.8 -4.3 Wind Parameters Mean winds (0-6000m): 242.2 at 20.7 knts Storm direction: 272.2 at 15.5 knts Shear (0-3000m) pos: 0.0 neg: 4.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 48.0 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -449.1 tot: -435.4 m^2/s^2 ave: -145.1 10^-3 m/s^2 rel: -0.75 Storm rel vorticity (0-3000m) horiz: 19.0 stream: -14.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 109.48 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 21 10 66 21| 0.0 19.1 19.1| 0.0-108.1-108.1 -216.2 -0.80| 22.1-17.7 1000 347 17 36 20| 0.0 12.5 12.5| 0.0-257.5-257.5 -257.5 -0.81| 25.0-20.3 1500 328 19 20 16| 0.0 7.5 7.5| 0.0-293.1-293.1 -195.4 -0.79| 23.4-18.6 2000 307 20 359 11| 0.0 5.9 5.9| 0.0-322.1-322.1 -161.0 -0.79| 21.4-16.9 2500 290 20 331 7| 0.0 4.8 4.8| 0.0-382.6-382.6 -153.1 -0.78| 20.3-15.8 3000 277 21 291 5| 0.0 4.0 4.0| 13.7-449.1-435.4 -145.1 -0.75| 19.0-14.4 4000 233 21 185 13| 2.4 3.0 5.4|105.5-449.1-343.6 -85.9 -0.54| 16.7 -9.0 5000 237 21 190 12| 3.3 2.4 5.7|137.5-449.1-311.6 -62.3 -0.40| 15.2 -6.0 6000 NO DATA | 3.3 2.4 5.7| | Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251206.00.gif