UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 25 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 ------------------------------------------------------------------------------- 0 1000 39 SFC 985 166 11.8 8.3 79 3.5 9.9 330 1 286.2 287.4 283.7 305.7 6.98 2 966 331 17.2 10.2 63 7.0 13.0 355 2 293.2 294.7 287.6 316.5 8.11 3 959 393 16.4 8.4 59 8.0 11.8 4 2 293.0 294.3 286.6 313.8 7.22 4 925 700 14.0 6.0 58 8.0 9.6 50 3 293.6 294.8 286.0 312.0 6.34 5 850 1406 7.8 3.0 72 4.8 5.3 130 5 294.3 295.3 285.5 310.6 5.59 6 738 2554 -0.9 -4.7 75 3.8 -2.5 21 6 297.0 297.6 284.5 307.9 3.65 7 725 2695 -1.9 -5.1 79 3.2 -3.3 7 7 297.4 298.0 284.7 308.2 3.61 8 700 2974 -3.3 -7.8 71 4.5 -5.1 340 7 298.8 299.4 284.6 308.1 3.03 9 532 5087 -16.1 -31.1 26 15.0 -18.9 348 7 307.9 308.0 285.2 309.7 0.54 10 500 5550 -19.7 -36.7 21 17.0 -22.2 350 7 309.0 309.1 285.4 310.2 0.33 11 480 5852 -22.3 -40.3 18 18.0 -24.5 326 7 309.4 309.5 285.4 310.3 0.24 12 421 6799 -31.1 -44.1 27 13.0 -32.2 250 5 310.0 310.0 285.5 310.7 0.18 13 400 7160 -33.3 -47.3 23 14.0 -34.3 220 5 311.7 311.7 286.1 312.2 0.13 14 300 9120 -48.9 -62.9 18 14.0 -49.2 190 11 316.4 316.4 287.6 316.5 0.03 15 287 9409 -51.1 -65.1 17 14.0 -51.4 192 12 317.3 317.3 287.9 317.4 0.02 16 250 10300 -53.5 -67.5 17 14.0 -53.7 200 17 326.5 326.5 290.7 326.6 0.02 17 240 10561 -54.9 -67.9 19 13.0 -55.1 225 15 328.3 328.3 291.2 328.3 0.02 18 232 10778 -52.7 -66.7 17 14.0 -52.9 229 17 334.8 334.8 293.0 334.9 0.02 19 207 11510 -54.3 -68.3 16 14.0 -54.5 241 23 343.4 343.4 295.1 343.5 0.02 20 200 11730 -53.3 -67.3 17 14.0 -53.6 245 25 348.4 348.4 296.3 348.5 0.02 21 150 13590 -51.9 -67.9 13 16.0 -52.4 240 27 380.6 380.7 302.3 380.8 0.03 22 147 13721 -51.5 -68.5 11 17.0 -52.0 241 27 383.5 383.5 302.8 383.7 0.03 23 100 16190 -55.9 -73.9 9 18.0 -56.3 260 27 419.7 419.7 307.7 419.8 0.02 24 79 17685 -57.3 -77.3 6 20.0 -57.8 263 22 446.1 446.1 310.5 446.2 0.01 25 70 18450 -57.3 -77.3 6 20.0 -57.9 265 19 461.8 461.8 312.0 461.9 0.01 26 50 20560 -60.5 -80.5 6 20.0 -61.0 245 17 500.9 500.9 315.0 501.0 0.01 27 30 23760 -59.3 -81.3 4 22.0 -60.3 275 9 583.0 583.0 319.8 583.1 0.02 28 24 25151 -60.5 -82.5 4 22.0 -61.5 250 11 617.9 617.9 321.4 618.0 0.02 29 21 25991 -56.1 -78.1 5 22.0 -57.9 235 13 655.2 655.3 322.9 655.6 0.04 30 20 26300 -56.7 -78.7 5 22.0 -58.5 230 13 662.6 662.6 323.2 662.9 0.04 31 15 28124 -56.7 -78.7 5 22.0 -59.0 719.4 719.5 325.1 719.9 0.05 TRP 240 10561 -54.9 -67.9 19 13.0 -55.1 225 15 328.3 328.3 291.2 328.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5511.00 m Freezing level: 749.59 mb = 2434.80 m = 7988.10 ft Wetbulb zero: 774.21 mb = 2164.48 m = 7101.22 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 56.98 % Est. max temperature: 20.24 C = 68.44 F Sfc-Lift cond lev (LCL): 934.27 mb = 615.27 m = 2018.56 ft T: 14.66 C 700-500 lapse rate: 6.37 C/km ThetaE index: 8.59 C Layer 959.0- 725.0 mb Conv cond level (CCL): 811.06 mb = 1786.83 m = 5862.22 ft Mean mixing ratio: 6.72 g/kg Conv temperature: 20.80 C = 69.45 F Cap Strength: 1.62 C Lifted Index: 1.26 C Risk: Showers probable Lifted Index @300 mb: 3.29 C Lifted Index @700 mb: -0.27 C Showalter Index: 2.25 C Risk: Showers probable Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 22.70 C K Index: 26.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 77.00 Risk: None Energy Index: -0.09 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.55 J/kg Max Up Vert Vel: 7.56 m/s Conv Inhibition (B-): 59.83 J/kg Cap Strength: 1.62 C Lift Cond Lev (LCL): 839.48 mb = 1507.12 m = 4944.55 ft Lev Free Conv (LFC): 754.48 mb = 2374.12 m = 7789.00 ft Equ Level (EL): 644.48 mb = 3610.24 m = 11844.48 ft B at Equ Level: 28.54 J/kg Max Parcel Lev (MPL): 534.48 mb = 5051.23 m = 16572.07 ft Wind level data Storm motion: 22 at 4 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 ---------------------------------------------------------- 0 985 166 330 1 0.5 -0.9 | 214 4 2.2 3.3 1 925 700 50 3 -2.3 -1.9 | 165 2 -0.6 2.2 2 850 1406 130 5 -3.8 3.2 | 164 8 -2.1 7.3 3 700 2974 340 7 2.4 -6.6 | 301 5 4.1 -2.4 4 500 5550 350 7 1.2 -6.9 | 314 4 2.9 -2.8 5 400 7160 220 5 3.2 3.8 | 212 9 4.9 8.0 6 300 9120 190 11 1.9 10.8 | 194 15 3.6 15.0 7 250 10300 200 17 5.8 16.0 | 200 21 7.5 20.1 8 240 10561 225 15 10.6 10.6 | 220 19 12.3 14.7 9 200 11730 245 25 22.7 10.6 | 239 28 24.3 14.7 10 150 13590 240 27 23.4 13.5 | 235 31 25.1 17.6 11 100 16190 260 27 26.6 4.7 | 253 30 28.3 8.8 12 70 18450 265 19 18.9 1.7 | 254 21 20.6 5.8 13 50 20560 245 17 15.4 7.2 | 236 21 17.1 11.3 14 30 23760 275 9 9.0 -0.8 | 253 11 10.7 3.4 15 20 26300 230 13 10.0 8.4 | 223 17 11.6 12.5 Wind Parameters Mean winds (0-6000m): 352.2 at 6.0 knts Storm direction: 22.2 at 4.5 knts Shear (0-3000m) pos: 1.0 neg: 1.9 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 88.0 deg Storm rel helicity (0-3000m) pos: 2.2 neg: -15.0 tot: -12.8 m^2/s^2 ave: -4.3 10^-3 m/s^2 rel: -0.57 Storm rel vorticity (0-3000m) horiz: 4.2 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.18 Bulk Shear: 2.81 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 31 2 196 3| 2.9 0.0 2.9| 0.1 -1.0 -0.9 -1.8 -0.51| 3.3 -1.7 1000 64 3 165 3| 2.6 0.0 2.6| 0.6 -1.7 -1.1 -1.1 -0.32| 3.6 -1.2 1500 94 3 158 5| 2.1 0.0 2.1| 2.2 -4.8 -2.7 -1.8 -0.27| 3.8 -1.0 2000 87 4 149 5| 1.6 1.2 2.8| 2.2 -9.7 -7.5 -3.7 -0.42| 4.0 -1.7 2500 68 4 134 3| 1.3 1.8 3.1| 2.2 -12.6 -10.4 -4.2 -0.55| 4.3 -2.4 3000 39 5 103 1| 1.0 1.9 2.9| 2.2 -15.0 -12.8 -4.3 -0.57| 4.2 -2.4 4000 7 5 320 2| 0.8 1.4 2.2| 2.7 -15.0 -12.3 -3.1 -0.55| 3.2 -1.8 5000 358 6 311 2| 0.7 1.1 1.8| 3.1 -15.0 -11.9 -2.4 -0.52| 2.6 -1.4 6000 352 6 305 3| 0.6 1.0 1.6| 3.2 -22.1 -18.9 -3.1 -0.57| 2.7 -1.5 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250425.00.gif