UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103012.upa.cvt Date: 1200Z 30 OCT 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 30 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 131 290 3 SFC 996 164 7.2 4.6 84 2.6 5.9 290 3 280.7 281.6 279.3 295.4 5.34 2 925 766 3.0 -0.5 78 3.5 1.5 230 3 282.4 283.1 278.4 293.6 3.98 3 891 1069 0.4 -2.1 83 2.5 -0.6 234 4 282.7 283.4 278.2 293.1 3.67 4 850 1447 -1.1 -3.5 84 2.4 -2.1 240 5 285.0 285.6 279.0 294.9 3.47 5 783 2098 -4.3 -7.9 76 3.6 -5.6 251 6 288.3 288.8 279.6 296.2 2.69 6 703 2936 -10.9 -14.2 77 3.3 -11.9 264 7 290.1 290.4 279.3 295.5 1.81 7 700 2969 -11.1 -14.6 75 3.5 -12.1 265 7 290.2 290.5 279.3 295.5 1.76 8 593 4221 -19.1 -23.4 69 4.3 -20.0 270 11 295.0 295.2 280.5 298.1 0.98 9 518 5214 -24.9 -34.9 39 10.0 -26.2 274 14 299.6 299.7 281.7 300.9 0.38 10 500 5470 -27.3 -38.3 34 11.0 -28.5 275 15 299.8 299.8 281.6 300.7 0.28 11 482 5732 -29.5 -40.5 34 11.0 -30.5 274 16 300.2 300.2 281.8 301.0 0.23 12 412 6828 -38.9 -49.9 30 11.0 -39.4 271 20 301.9 301.9 282.3 302.2 0.10 13 400 7030 -40.5 -51.5 30 11.0 -41.0 270 21 302.4 302.4 282.4 302.7 0.08 14 350 7929 -46.5 -56.5 31 10.0 -46.8 285 23 306.0 306.0 283.9 306.2 0.05 15 315 8627 -47.7 -58.7 27 11.0 -48.0 295 30 313.7 313.7 286.7 313.9 0.04 16 300 8950 -47.3 -59.3 24 12.0 -47.6 300 33 318.7 318.7 288.3 318.9 0.04 17 250 10160 -47.9 -62.9 16 15.0 -48.3 305 29 334.9 334.9 293.0 335.0 0.03 18 200 11620 -48.3 -67.3 9 19.0 -48.8 280 25 356.3 356.3 298.0 356.4 0.02 19 150 13500 -52.3 -73.3 6 21.0 -52.8 270 29 380.0 380.0 302.2 380.0 0.01 20 130 14420 -54.5 -75.5 6 21.0 -54.9 266 28 391.9 391.9 304.0 391.9 0.01 21 121 14881 -52.5 -74.5 5 22.0 -53.1 265 27 403.7 403.7 305.7 403.7 0.01 22 100 16100 -56.9 -78.9 5 22.0 -57.3 260 25 417.8 417.8 307.4 417.8 0.01 23 96 16358 -56.9 -78.9 5 22.0 -57.3 260 24 422.7 422.7 308.0 422.7 0.01 24 79 17578 -61.3 -82.3 5 21.0 -61.6 260 21 437.8 437.8 309.7 437.9 0.01 25 70 18330 -59.9 -80.9 5 21.0 -60.3 260 19 456.2 456.2 311.4 456.3 0.01 26 54 19942 -62.1 -83.1 4 21.0 -62.5 248 24 486.3 486.3 314.0 486.4 0.01 27 50 20420 -60.1 -81.1 5 21.0 -60.6 245 25 501.9 501.9 315.1 501.9 0.01 28 49 20546 -59.9 -80.9 5 21.0 -60.4 245 25 505.2 505.2 315.3 505.3 0.01 29 30 23590 -62.1 -83.1 4 21.0 -62.8 250 36 575.3 575.4 319.5 575.4 0.01 30 27 24239 -62.9 -83.9 4 21.0 -63.6 255 40 590.7 590.7 320.2 590.8 0.01 31 20 26100 -59.7 -80.7 5 21.0 -61.0 270 50 653.4 653.4 322.8 653.7 0.03 32 13 28795 -59.5 -81.5 4 22.0 -61.4 739.8 739.8 325.7 740.1 0.04 TRP 350 7929 -46.5 -56.5 31 10.0 -46.8 285 23 306.0 306.0 283.9 306.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5339.00 m Freezing level: 880.07 mb = 1169.72 m = 3837.62 ft Wetbulb zero: 901.07 mb = 977.99 m = 3208.60 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 70.43 % Est. max temperature: 11.71 C = 53.08 F Sfc-Lift cond lev (LCL): 957.13 mb = 487.99 m = 1601.01 ft T: 4.94 C 700-500 lapse rate: 6.48 C/km ThetaE index: 2.28 C Layer 925.0- 850.0 mb Conv cond level (CCL): 890.36 mb = 1074.67 m = 3525.76 ft Mean mixing ratio: 4.42 g/kg Conv temperature: 9.29 C = 48.72 F Cap Strength: 6.05 C Lifted Index: 5.84 C Risk: None Lifted Index @300 mb: 17.48 C Lifted Index @700 mb: 1.83 C Showalter Index: 5.32 C Risk: None Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 23.80 C K Index: 19.20 Risk: < 20 % chance of thunderstorms Sweat Index: 45.00 Risk: None Energy Index: 1.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.51 J/kg Max Up Vert Vel: 3.61 m/s Conv Inhibition (B-): 47710.22 J/kg Cap Strength: 5.99 C Lift Cond Lev (LCL): 902.91 mb = 961.50 m = 3154.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 7 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 ---------------------------------------------------------- 0 996 164 290 3 2.8 -1.0 | 123 4 -3.1 2.0 1 925 766 230 3 2.3 1.9 | 144 6 -3.6 5.0 2 850 1447 240 5 4.3 2.5 | 164 6 -1.6 5.6 3 700 2969 265 7 7.0 0.6 | 196 4 1.1 3.7 4 500 5470 275 15 14.9 -1.3 | 259 9 9.0 1.8 5 400 7030 270 21 21.0 -0.0 | 259 15 15.1 3.1 6 350 7929 285 23 22.2 -6.0 | 280 17 16.3 -2.9 7 300 8950 300 33 28.6 -16.5 | 301 26 22.7 -13.4 8 250 10160 305 29 23.8 -16.6 | 307 22 17.8 -13.6 9 200 11620 280 25 24.6 -4.3 | 274 19 18.7 -1.3 10 150 13500 270 29 29.0 -0.0 | 262 23 23.1 3.1 11 100 16100 260 25 24.6 4.3 | 248 20 18.7 7.4 12 70 18330 260 19 18.7 3.3 | 244 14 12.8 6.4 13 50 20420 245 25 22.7 10.6 | 231 22 16.7 13.6 14 30 23590 250 36 33.8 12.3 | 241 32 27.9 15.4 15 20 26100 270 50 50.0 -0.0 | 266 44 44.1 3.1 Wind Parameters Mean winds (0-6000m): 267.4 at 8.9 knts Storm direction: 297.4 at 6.7 knts Shear (0-3000m) pos: 0.8 neg: 0.6 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 81.5 deg Storm rel helicity (0-3000m) pos: 9.0 neg: 0.0 tot: 9.0 m^2/s^2 ave: 3.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 1.6 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.42 Bulk Shear: 4.58 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 ------------------------------------------------------------------------------- 500 266 3 138 4| 0.0 2.6 2.6| 1.7 0.0 1.7 3.4 0.58| 2.7 1.6 1000 247 3 146 5| 0.0 1.8 1.8| 3.6 0.0 3.6 3.6 0.63| 2.2 1.4 1500 244 4 152 5| 0.4 1.2 1.6| 5.5 0.0 5.5 3.7 0.70| 1.9 1.4 2000 246 4 157 5| 0.6 0.9 1.5| 6.7 0.0 6.7 3.4 0.72| 1.7 1.2 2500 249 5 162 5| 0.7 0.7 1.4| 7.8 0.0 7.8 3.1 0.73| 1.6 1.2 3000 253 5 166 5| 0.8 0.6 1.4| 9.0 0.0 9.0 3.0 0.75| 1.6 1.2 4000 259 6 181 4| 1.0 0.4 1.4| 12.4 0.0 12.4 3.1 0.77| 1.6 1.2 5000 264 7 201 4| 1.1 0.4 1.5| 16.3 0.0 16.3 3.3 0.74| 1.6 1.2 6000 267 9 220 5| 1.1 0.4 1.5| 17.9 -0.0 17.9 3.0 0.63| 1.7 1.1 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251030.12.gif