UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:1200Z 19 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 1001 166 24.0 0.0 20 24.0 11.6 290 15 297.1 297.8 284.7 308.5 3.82 1 1000 175 23.6 3.6 27 20.0 12.7 290 15 296.8 297.6 285.8 311.4 4.95 2 946 652 18.0 0.0 30 18.0 8.9 286 15 295.8 296.5 284.5 307.8 4.04 3 925 843 15.8 -0.2 34 16.0 7.8 285 15 295.5 296.2 284.4 307.5 4.07 4 850 1552 8.6 -3.4 43 12.0 3.1 265 13 295.2 295.8 283.6 305.6 3.50 5 707 3037 -4.9 -9.0 73 4.1 -6.4 284 5 296.2 296.7 283.2 304.5 2.73 6 700 3115 -5.3 -9.2 74 3.9 -6.7 285 5 296.6 297.1 283.3 304.8 2.72 7 582 4542 -11.5 -25.5 30 14.0 -14.7 269 17 305.5 305.6 284.7 308.2 0.82 8 500 5680 -21.5 -31.5 40 10.0 -23.1 255 27 306.8 306.9 284.8 308.7 0.55 9 400 7290 -35.5 -47.5 28 12.0 -36.2 255 38 308.9 308.9 285.1 309.3 0.13 10 344 8322 -44.1 -54.1 32 10.0 -44.5 245 33 310.8 310.8 285.7 311.1 0.07 11 300 9230 -49.9 -61.9 23 12.0 -50.1 235 29 315.0 315.0 287.1 315.1 0.03 12 250 10400 -56.9 -68.9 21 12.0 -57.1 225 23 321.5 321.5 289.2 321.5 0.01 13 240 10658 -58.7 -70.7 20 12.0 -58.8 235 21 322.5 322.5 289.5 322.6 0.01 14 200 11810 -56.5 -69.5 18 13.0 -56.7 290 5 343.3 343.3 295.1 343.4 0.02 15 181 12447 -54.7 -68.7 16 14.0 -54.9 307 10 356.2 356.2 298.0 356.3 0.02 16 150 13650 -54.9 -70.9 12 16.0 -55.2 340 19 375.5 375.5 301.5 375.6 0.02 17 147 13779 -54.9 -71.9 10 17.0 -55.2 340 19 377.7 377.7 301.9 377.7 0.02 18 100 16220 -58.1 -78.1 6 20.0 -58.5 340 19 415.5 415.5 307.2 415.5 0.01 19 70 18460 -57.5 -79.5 4 22.0 -58.0 345 19 461.4 461.4 311.9 461.4 0.01 20 50 20590 -57.7 -79.7 4 22.0 -58.4 5 13 507.5 507.5 315.5 507.6 0.01 21 37 22495 -57.3 -79.3 5 22.0 -58.3 2 15 554.2 554.2 318.3 554.3 0.02 22 30 23830 -55.1 -78.1 4 23.0 -56.6 360 17 594.4 594.4 320.3 594.6 0.03 23 28 24270 -55.3 -78.3 4 23.0 -56.9 358 18 605.7 605.7 320.9 605.9 0.03 24 20 26410 -56.7 -78.7 5 22.0 -58.5 350 21 662.6 662.6 323.2 662.9 0.04 25 19 26734 -57.7 -79.7 4 22.0 -59.4 669.3 669.3 323.4 669.6 0.04 26 12 29675 -51.7 -74.7 5 23.0 -55.8 784.6 784.6 326.9 785.8 0.13 TRP 240 10658 -58.7 -70.7 20 12.0 -58.8 235 21 322.5 322.5 289.5 322.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5505.00 m Freezing level: 758.90 mb = 2497.89 m = 8195.07 ft Wetbulb zero: 803.21 mb = 2008.43 m = 6589.25 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 45.92 % Est. max temperature: 22.09 C = 71.77 F Sfc-Lift cond lev (LCL): 700.61 mb = 3108.13 m = 10197.16 ft T: -5.26 C 700-500 lapse rate: 6.32 C/km ThetaE index: 6.90 C Layer 946.0- 700.0 mb Conv cond level (CCL): 727.18 mb = 2809.98 m = 9218.98 ft Mean mixing ratio: 4.27 g/kg Conv temperature: 23.03 C = 73.46 F Cap Strength: 3.01 C Lifted Index: 1.71 C Risk: Showers probable Lifted Index @300 mb: 4.75 C Lifted Index @700 mb: -0.46 C Showalter Index: 3.68 C Risk: None Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 18.10 C K Index: 22.80 Risk: 20-40 % chance of thunderstorms Sweat Index: 53.00 Risk: None Energy Index: 0.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 35.18 J/kg Max Up Vert Vel: 8.39 m/s Conv Inhibition (B-): 5.77 J/kg Cap Strength: 3.00 C Lift Cond Lev (LCL): 728.76 mb = 2792.46 m = 9161.49 ft Lev Free Conv (LFC): 723.76 mb = 2847.95 m = 9343.56 ft Equ Level (EL): 673.76 mb = 3410.26 m = 11188.37 ft B at Equ Level: 34.49 J/kg Max Parcel Lev (MPL): 603.76 mb = 4258.04 m = 13969.79 ft Wind level data Storm motion: 295 at 11 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 1001 166 290 15 14.1 -5.1 | 275 4 4.0 -0.4 1 1000 175 290 15 14.1 -5.1 | 275 4 4.0 -0.4 2 925 843 285 15 14.5 -3.9 | 259 4 4.4 0.9 3 850 1552 265 13 13.0 1.1 | 206 7 2.8 5.9 4 700 3115 285 5 4.8 -1.3 | 123 6 -5.3 3.5 5 500 5680 255 27 26.1 7.0 | 234 20 16.0 11.7 6 400 7290 255 38 36.7 9.8 | 241 30 26.6 14.6 7 300 9230 235 29 23.8 16.6 | 213 25 13.6 21.4 8 250 10400 225 23 16.3 16.3 | 196 22 6.1 21.0 9 240 10658 235 21 17.2 12.0 | 203 18 7.1 16.8 10 200 11810 290 5 4.7 -1.7 | 119 6 -5.4 3.0 11 150 13650 340 19 6.5 -17.9 | 15 14 -3.6 -13.1 12 100 16220 340 19 6.5 -17.9 | 15 14 -3.6 -13.1 13 70 18460 345 19 4.9 -18.4 | 21 15 -5.2 -13.6 14 50 20590 5 13 -1.1 -13.0 | 54 14 -11.3 -8.2 15 30 23830 360 17 -0.0 -17.0 | 40 16 -10.1 -12.2 16 20 26410 350 21 3.6 -20.7 | 22 17 -6.5 -15.9 Wind Parameters Mean winds (0-6000m): 265.1 at 14.9 knts Storm direction: 295.1 at 11.2 knts Shear (0-3000m) pos: 1.3 neg: 1.1 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -150.5 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -16.5 tot: -16.4 m^2/s^2 ave: -5.5 10^-3 m/s^2 rel: -0.84 Storm rel vorticity (0-3000m) horiz: 2.6 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.43 Bulk Shear: 4.73 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 ------------------------------------------------------------------------------- 500 288 15 269 4| 0.0 1.0 1.0| 0.0 -1.0 -1.0 -2.0 -0.94| 1.0 -0.9 1000 285 15 259 4| 0.0 1.9 1.9| 0.0 -4.3 -4.3 -4.3 -0.95| 2.0 -1.9 1500 281 14 242 4| 0.0 2.1 2.1| 0.0 -8.6 -8.6 -5.7 -0.89| 2.5 -2.2 2000 278 14 229 4| 0.7 1.6 2.3| 0.0 -11.5 -11.5 -5.7 -0.86| 2.6 -2.2 2500 277 13 216 4| 1.1 1.3 2.4| 0.0 -14.4 -14.4 -5.8 -0.88| 2.6 -2.3 3000 277 11 200 4| 1.3 1.1 2.3| 0.1 -16.5 -16.4 -5.5 -0.84| 2.6 -2.2 4000 277 11 193 4| 1.0 1.2 2.2| 7.5 -16.5 -9.0 -2.2 -0.24| 3.1 -0.7 5000 272 12 208 5| 0.8 1.9 2.7| 10.9 -16.6 -5.7 -1.1 -0.13| 3.4 -0.4 6000 265 15 218 8| 0.6 2.3 2.9| 17.1 -19.6 -2.5 -0.4 -0.09| 3.6 -0.3 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250419.12.gif