UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 12 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 ------------------------------------------------------------------------------- 0 1000 41 SFC 985 162 0.4 -1.5 87 1.9 -0.4 180 5 274.7 275.3 273.6 284.2 3.47 2 928 639 -1.7 -3.7 86 2.0 -2.4 237 3 277.3 277.8 274.5 286.0 3.13 3 925 665 -1.7 -3.7 86 2.0 -2.4 240 3 277.6 278.1 274.7 286.3 3.14 4 850 1338 -2.1 -4.2 86 2.1 -2.9 110 9 283.9 284.5 278.3 293.3 3.29 5 810 1721 -2.3 -4.1 87 1.8 -3.0 69 11 287.7 288.3 280.3 297.7 3.48 6 725 2590 -9.1 -11.8 81 2.7 -9.9 335 16 289.5 289.9 279.5 295.8 2.13 7 700 2861 -10.5 -13.2 81 2.7 -11.3 305 17 290.9 291.2 279.9 296.8 1.97 8 608 3932 -15.3 -17.6 83 2.3 -15.9 282 25 297.3 297.6 282.3 302.2 1.58 9 500 5380 -24.5 -27.6 75 3.1 -25.0 250 36 303.2 303.3 283.7 305.8 0.79 10 475 5753 -27.1 -30.2 75 3.1 -27.6 248 38 304.4 304.6 284.0 306.6 0.65 11 400 6970 -36.5 -40.1 69 3.6 -36.8 240 46 307.6 307.6 284.8 308.6 0.29 12 347 7938 -44.1 -47.8 67 3.7 -44.3 240 51 310.0 310.1 285.5 310.6 0.15 13 300 8900 -50.3 -54.0 65 3.7 -50.4 240 56 314.5 314.5 287.0 314.8 0.08 14 265 9702 -55.9 -59.6 63 3.7 -56.0 240 61 317.6 317.6 288.0 317.8 0.05 15 250 10070 -59.9 -63.8 60 3.9 -60.0 240 64 317.0 317.0 287.8 317.1 0.03 16 238 10373 -62.3 -66.1 60 3.8 -62.3 245 64 317.9 317.9 288.1 318.0 0.02 17 235 10451 -61.4 -65.2 60 3.9 -61.4 245 64 320.4 320.4 288.9 320.5 0.03 18 224 10749 -57.9 -62.0 59 4.1 -58.0 246 59 330.2 330.2 291.8 330.4 0.04 19 200 11460 -57.5 -61.6 59 4.1 -57.6 250 46 341.7 341.7 294.8 341.9 0.05 20 187 11883 -58.9 -63.2 57 4.3 -59.0 256 44 346.1 346.1 295.8 346.3 0.04 21 172 12412 -55.3 -59.7 58 4.4 -55.4 263 41 360.4 360.4 298.8 360.7 0.07 22 150 13280 -57.7 -62.7 53 5.0 -57.8 275 36 370.7 370.7 300.7 370.9 0.06 23 129 14230 -59.5 -64.5 52 5.0 -59.6 282 34 383.8 383.8 302.9 384.0 0.05 24 100 15830 -58.7 -64.7 46 6.0 -58.9 295 31 414.3 414.3 307.1 414.6 0.06 25 83 16999 -59.3 -66.3 40 7.0 -59.5 298 33 435.8 435.8 309.5 436.1 0.06 26 72 17878 -65.1 -73.1 32 8.0 -65.3 300 35 441.5 441.5 310.0 441.7 0.03 27 70 18050 -65.1 -73.1 32 8.0 -65.3 300 35 445.1 445.1 310.4 445.3 0.03 28 50 20100 -67.3 -75.3 31 8.0 -67.5 300 46 484.9 484.9 313.8 485.1 0.03 29 45 20734 -68.3 -76.3 31 8.0 -68.5 300 48 497.3 497.3 314.8 497.5 0.03 30 31 22981 -66.3 -74.3 32 8.0 -66.6 300 55 558.6 558.7 318.6 559.0 0.05 31 30 23180 -66.7 -75.7 27 9.0 -67.0 300 56 562.8 562.8 318.8 563.1 0.04 32 20 25600 -71.5 -80.5 25 9.0 -71.8 300 71 617.3 617.3 321.4 617.5 0.03 33 14 27718 -69.3 -79.3 22 10.0 -69.8 691.1 691.1 324.1 691.5 0.05 TRP 238 10373 -62.3 -66.1 60 3.8 -62.3 245 64 317.9 317.9 288.1 318.0 0.02 WND 235 10451 -61.4 -65.2 60 3.9 -61.4 245 64 320.4 320.4 288.9 320.5 0.03 Sounding variables and indices 1000-500 mb thick: 5339.00 m Freezing level: 974.14 mb = 253.20 m = 830.68 ft Wetbulb zero: Below ground Precipitable water: 0.50 inches Sfc-500 mean rel hum: 82.51 % Est. max temperature: 10.94 C = 51.69 F Sfc-Lift cond lev (LCL): 956.15 mb = 400.15 m = 1312.83 ft T: -0.65 C 700-500 lapse rate: 5.56 C/km ThetaE index: 1.89 C Layer 725.0- 700.0 mb Conv cond level (CCL): 765.18 mb = 2167.24 m = 7110.27 ft Mean mixing ratio: 3.25 g/kg Conv temperature: 14.24 C = 57.62 F Cap Strength: 11.34 C Lifted Index: 14.45 C Risk: None Lifted Index @300 mb: 19.93 C Lifted Index @700 mb: 7.59 C Showalter Index: 9.23 C Risk: None Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 20.30 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 54.00 Risk: None Energy Index: 2.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.31 J/kg Max Up Vert Vel: 6.83 m/s Conv Inhibition (B-): 56311.20 J/kg Cap Strength: 14.32 C Lift Cond Lev (LCL): 904.90 mb = 839.84 m = 2755.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 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 ---------------------------------------------------------- 0 985 162 180 5 0.0 5.0 | 127 18 -14.4 10.8 1 925 665 240 3 2.6 1.5 | 122 14 -11.8 7.3 2 850 1338 110 9 -8.5 3.1 | 111 25 -22.9 8.9 3 700 2861 305 17 13.9 -9.8 | 7 4 -0.5 -4.0 4 500 5380 250 36 33.8 12.3 | 227 27 19.4 18.1 5 400 6970 240 46 39.8 23.0 | 221 38 25.4 28.8 6 300 8900 240 56 48.5 28.0 | 225 48 34.1 33.8 7 250 10070 240 64 55.4 32.0 | 227 56 41.0 37.8 8 238 10373 245 64 58.0 27.0 | 233 55 43.6 32.8 9 235 10451 245 64 58.0 27.0 | 233 55 43.6 32.8 10 200 11460 250 46 43.2 15.7 | 233 36 28.8 21.5 11 150 13280 275 36 35.9 -3.1 | 263 22 21.5 2.7 12 100 15830 295 31 28.1 -13.1 | 298 16 13.7 -7.3 13 70 18050 300 35 30.3 -17.5 | 306 20 15.9 -11.7 14 50 20100 300 46 39.8 -23.0 | 304 31 25.4 -17.2 15 30 23180 300 56 48.5 -28.0 | 303 41 34.1 -22.2 16 20 25600 300 71 61.5 -35.5 | 302 56 47.1 -29.7 Wind Parameters Mean winds (0-6000m): 261.9 at 20.7 knts Storm direction: 291.9 at 15.5 knts Shear (0-3000m) pos: 0.7 neg: 3.1 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): -163.9 deg Storm rel helicity (0-3000m) pos: 8.0 neg: -196.4 tot: -188.4 m^2/s^2 ave: -62.8 10^-3 m/s^2 rel: -0.63 Storm rel vorticity (0-3000m) horiz: 10.4 stream: -6.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.49 Bulk Shear: 47.97 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 ------------------------------------------------------------------------------- 500 202 4 126 16| 4.5 0.0 4.5| 0.8 -5.6 -4.8 -9.6 -0.27| 4.8 -1.3 1000 183 5 126 18| 2.2 4.3 6.5| 8.0 -18.9 -10.8 -10.8 -0.13| 7.4 -1.0 1500 127 6 116 21| 1.5 4.7 6.2| 8.0 -87.6 -79.6 -53.1 -0.49| 8.8 -4.3 2000 85 8 103 23| 1.1 4.1 5.2| 8.0-151.9-143.9 -71.9 -0.62| 9.6 -5.9 2500 17 9 80 17| 0.9 3.3 4.2| 8.0-187.8-179.8 -71.9 -0.62| 10.6 -6.6 3000 303 10 92 6| 0.7 3.1 3.8| 8.0-196.4-188.4 -62.8 -0.63| 10.4 -6.6 4000 289 14 128 2| 0.6 3.1 3.7| 8.0-212.3-204.2 -51.1 -0.64| 9.3 -5.9 5000 273 17 209 6| 0.4 3.2 3.7| 8.0-250.9-242.9 -48.6 -0.63| 8.9 -5.6 6000 262 21 215 11| 0.4 3.3 3.6| 8.0-274.4-266.3 -44.4 -0.60| 8.2 -4.9 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20251212.12.gif