UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 22 APR 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 1000 176 12.4 2.4 50 10.0 7.5 300 1 285.5 286.3 280.6 298.4 4.54 1 984 310 19.0 2.0 32 17.0 10.2 264 2 293.5 294.3 284.0 306.6 4.49 2 965 475 18.4 -2.6 24 21.0 8.4 220 4 294.5 295.1 283.1 304.3 3.27 3 925 831 15.4 -3.6 27 19.0 6.6 125 7 295.1 295.6 283.2 304.5 3.16 4 854 1502 10.2 -5.8 32 16.0 3.2 205 11 296.4 297.0 283.5 305.2 2.90 5 850 1541 9.8 -6.2 32 16.0 2.9 210 11 296.4 296.9 283.4 304.9 2.83 6 700 3107 -5.5 -11.5 63 6.0 -7.6 205 13 296.4 296.8 282.7 303.3 2.26 7 667 3483 -8.9 -12.7 74 3.8 -10.1 192 12 296.7 297.1 282.7 303.3 2.16 8 659 3576 -9.7 -13.8 72 4.1 -11.0 189 12 296.8 297.2 282.5 303.0 2.00 9 646 3730 -8.3 -15.3 57 7.0 -10.5 184 12 300.1 300.4 283.7 305.7 1.80 10 531 5217 -19.3 -39.3 15 20.0 -21.9 131 8 304.2 304.3 283.4 305.1 0.24 11 500 5660 -23.1 -35.1 32 12.0 -24.8 115 7 304.9 304.9 283.9 306.2 0.39 12 466 6171 -27.5 -36.5 42 9.0 -28.6 110 8 305.6 305.7 284.1 306.9 0.36 13 400 7250 -35.7 -44.7 39 9.0 -36.3 100 9 308.6 308.6 285.0 309.2 0.18 14 300 9190 -50.9 -60.9 30 10.0 -51.1 130 5 313.6 313.6 286.6 313.7 0.04 15 268 9918 -56.7 -66.7 27 10.0 -56.8 180 5 315.4 315.4 287.2 315.5 0.02 16 250 10360 -57.1 -67.1 27 10.0 -57.2 195 5 321.2 321.2 289.1 321.2 0.02 17 243 10539 -57.7 -67.7 27 10.0 -57.8 201 6 322.9 322.9 289.6 323.0 0.02 18 200 11780 -53.7 -64.7 25 11.0 -53.9 245 13 347.7 347.7 296.1 347.9 0.03 19 183 12356 -49.3 -61.3 23 12.0 -49.7 240 14 363.8 363.8 299.5 364.1 0.05 20 150 13650 -52.1 -66.1 17 14.0 -52.5 230 15 380.3 380.3 302.3 380.5 0.04 21 100 16240 -56.9 -73.9 10 17.0 -57.3 275 17 417.8 417.8 307.4 417.9 0.02 22 76 17973 -58.5 -76.5 8 18.0 -58.9 271 11 448.6 448.6 310.7 448.6 0.02 23 70 18490 -58.5 -77.5 7 19.0 -59.0 270 9 459.2 459.2 311.7 459.3 0.01 24 50 20600 -58.1 -78.1 6 20.0 -58.8 310 9 506.6 506.6 315.4 506.7 0.02 25 45 21263 -58.3 -78.3 6 20.0 -59.0 310 9 521.6 521.6 316.4 521.7 0.02 26 30 23820 -57.1 -78.1 5 21.0 -58.3 310 9 589.0 589.0 320.1 589.2 0.03 27 29 24034 -56.3 -77.3 5 21.0 -57.6 311 9 596.9 596.9 320.5 597.2 0.04 28 20 26380 -57.7 -79.7 4 22.0 -59.3 320 11 659.6 659.6 323.0 659.8 0.03 29 14 28666 -50.9 -73.9 5 23.0 -54.8 312 14 753.4 753.5 326.1 754.6 0.12 30 10 30850 -52.1 -75.1 5 23.0 -56.6 305 17 825.1 825.1 327.8 826.5 0.14 31 9.0 31538 -48.3 -72.3 5 24.0 -54.6 864.9 865.1 328.8 867.5 0.24 TRP 268 9918 -56.7 -66.7 27 10.0 -56.8 180 5 315.4 315.4 287.2 315.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5484.49 m Freezing level: 753.92 mb = 2544.06 m = 8346.55 ft Wetbulb zero: 808.66 mb = 1943.18 m = 6375.18 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 40.28 % Est. max temperature: 23.26 C = 73.87 F Sfc-Lift cond lev (LCL): 859.37 mb = 1449.26 m = 4754.72 ft T: 10.61 C 700-500 lapse rate: 6.89 C/km ThetaE index: 2.37 C Layer 965.0- 925.0 mb Conv cond level (CCL): 694.78 mb = 3165.22 m = 10384.45 ft Mean mixing ratio: 3.51 g/kg Conv temperature: 23.29 C = 73.93 F Cap Strength: 3.06 C Lifted Index: 2.90 C Risk: None Lifted Index @300 mb: 6.68 C Lifted Index @700 mb: 1.51 C Showalter Index: 2.49 C Risk: Showers probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.90 C Cross Totals Index: 16.90 C K Index: 20.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 45.00 Risk: None Energy Index: 0.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.36 J/kg Max Up Vert Vel: 6.38 m/s Conv Inhibition (B-): 65872.12 J/kg Cap Strength: 3.07 C Lift Cond Lev (LCL): 719.62 mb = 2884.07 m = 9462.06 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 213 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 1000 176 300 1 0.9 -0.5 | 25 7 -3.0 -6.5 1 1000 166 300 1 0.9 -0.5 | 25 7 -3.0 -6.5 2 925 831 125 7 -5.7 4.0 | 78 10 -9.6 -2.0 3 850 1541 210 11 5.5 9.5 | 205 4 1.6 3.5 4 700 3107 205 13 5.5 11.8 | 195 6 1.6 5.8 5 500 5660 115 7 -6.3 3.0 | 73 11 -10.2 -3.1 6 400 7250 100 9 -8.9 1.6 | 71 14 -12.8 -4.5 7 300 9190 130 5 -3.8 3.2 | 70 8 -7.7 -2.8 8 268 9918 180 5 0.0 5.0 | 75 4 -3.9 -1.0 9 250 10360 195 5 1.3 4.8 | 65 3 -2.6 -1.2 10 200 11780 245 13 11.8 5.5 | 274 8 7.9 -0.5 11 150 13650 230 15 11.5 9.6 | 244 8 7.6 3.6 12 100 16240 275 17 16.9 -1.5 | 300 15 13.0 -7.5 13 70 18490 270 9 9.0 -0.0 | 320 8 5.1 -6.0 14 50 20600 310 9 6.9 -5.8 | 346 12 3.0 -11.8 15 30 23820 310 9 6.9 -5.8 | 346 12 3.0 -11.8 16 20 26380 320 11 7.1 -8.4 | 348 15 3.2 -14.4 17 10 30850 305 17 13.9 -9.8 | 328 19 10.0 -15.8 Wind Parameters Mean winds (0-6000m): 182.9 at 9.6 knts Storm direction: 212.9 at 7.2 knts Shear (0-3000m) pos: 1.4 neg: 1.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 165.8 deg Storm rel helicity (0-3000m) pos: 22.5 neg: -4.0 tot: 18.4 m^2/s^2 ave: 6.1 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.88 Bulk Shear: 10.85 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 ------------------------------------------------------------------------------- 500 112 3 55 8| 0.0 6.6 6.6| 4.2 -1.8 2.4 4.9 0.38| 9.3 3.5 1000 139 5 75 8| 1.7 3.3 5.0| 13.7 -2.2 11.5 11.5 0.41| 9.6 4.0 1500 173 7 101 5| 2.8 2.2 5.0| 22.5 -2.2 20.2 13.5 0.56| 9.1 5.1 2000 188 8 127 3| 2.1 1.8 3.9| 22.5 -2.5 19.9 10.0 0.54| 7.0 3.8 2500 195 9 149 3| 1.7 1.6 3.3| 22.5 -2.8 19.6 7.8 0.51| 5.8 3.0 3000 198 10 163 3| 1.4 1.5 2.9| 22.5 -4.0 18.4 6.1 0.47| 5.0 2.3 4000 194 10 160 4| 1.0 1.5 2.6| 22.5 -16.4 6.1 1.5 0.17| 4.7 0.8 5000 189 10 149 4| 0.8 1.4 2.3| 22.5 -29.6 -7.1 -1.4 0.01| 4.4 0.1 6000 183 10 136 5| 0.7 1.3 2.0| 22.5 -36.4 -13.9 -2.3 -0.04| 4.0 -0.2 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250422.00.gif