UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for X4172... Searching the city database file for: X4172 ... Date:0000Z 18 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 1005 169 16.8 -1.2 29 18.0 8.3 260 7 289.5 290.2 281.2 299.7 3.48 1 1000 211 18.6 2.6 34 16.0 10.3 280 9 291.8 292.6 283.4 305.1 4.61 2 992 280 19.2 1.2 30 18.0 10.0 281 9 293.0 293.8 283.5 305.3 4.20 3 925 874 13.8 -5.2 26 19.0 5.4 285 11 293.4 293.9 282.1 301.8 2.80 4 850 1577 7.2 -7.8 33 15.0 1.1 300 11 293.7 294.1 281.8 301.2 2.50 5 714 2975 -6.7 -11.4 69 4.7 -8.3 273 15 293.4 293.8 281.4 300.1 2.24 6 713 2986 -6.7 -11.3 70 4.6 -8.2 273 15 293.5 293.9 281.5 300.3 2.26 7 700 3131 -3.5 -11.5 54 8.0 -6.4 270 15 298.6 299.0 283.6 305.6 2.26 8 693 3210 -3.5 -19.5 28 16.0 -8.1 270 15 299.5 299.7 282.7 303.2 1.18 9 653 3677 -4.7 -35.7 7 31.0 -10.8 273 17 303.2 303.3 283.1 304.2 0.28 10 500 5710 -20.5 -39.5 17 19.0 -23.0 285 25 308.0 308.1 284.9 308.9 0.25 11 400 7310 -33.9 -51.9 15 18.0 -35.0 300 23 310.9 310.9 285.8 311.2 0.08 12 384 7594 -36.7 -51.7 20 15.0 -37.5 304 23 310.9 310.9 285.8 311.2 0.08 13 357 8096 -39.1 -49.1 34 10.0 -39.6 310 23 314.2 314.3 287.0 314.7 0.12 14 300 9260 -49.7 -55.7 49 6.0 -49.9 325 23 315.3 315.3 287.3 315.6 0.07 15 250 10430 -59.9 -64.9 52 5.0 -60.0 330 27 317.0 317.0 287.8 317.1 0.02 16 238 10737 -62.1 -67.1 51 5.0 -62.1 335 28 318.2 318.2 288.2 318.3 0.02 17 227 11031 -62.7 -67.7 51 5.0 -62.7 340 29 321.6 321.6 289.3 321.7 0.02 18 209 11544 -61.3 -66.3 51 5.0 -61.4 343 30 331.5 331.5 292.2 331.6 0.02 19 200 11820 -58.7 -63.7 52 5.0 -58.8 345 31 339.8 339.8 294.3 340.0 0.04 20 188 12209 -56.5 -61.5 53 5.0 -56.6 345 32 349.4 349.4 296.5 349.6 0.05 21 150 13640 -56.1 -63.1 41 7.0 -56.3 345 35 373.4 373.4 301.2 373.7 0.05 22 100 16210 -57.5 -67.5 27 10.0 -57.8 350 27 416.6 416.6 307.3 416.9 0.04 23 89 16946 -56.9 -67.9 24 11.0 -57.3 347 24 431.9 432.0 309.1 432.2 0.05 24 70 18470 -55.5 -68.5 18 13.0 -56.1 340 17 465.7 465.7 312.3 466.0 0.05 25 50 20610 -54.7 -69.7 14 15.0 -55.6 5 13 514.6 514.6 315.9 515.0 0.06 26 30 23880 -53.3 -72.3 8 19.0 -55.1 30 25 599.3 599.4 320.6 599.9 0.07 27 29 24099 -53.1 -72.1 8 19.0 -54.9 30 24 605.7 605.8 320.9 606.3 0.08 28 20 26480 -55.9 -75.9 6 20.0 -57.8 35 19 665.1 665.1 323.3 665.6 0.06 29 15 28327 -52.1 -74.1 5 22.0 -55.5 734.7 734.8 325.6 735.7 0.11 30 13 29246 -55.5 -77.5 5 22.0 -58.3 753.7 753.7 326.1 754.3 0.08 31 12 29758 -54.5 -77.5 4 23.0 -57.8 774.6 774.7 326.6 775.4 0.08 TRP 227 11031 -62.7 -67.7 51 5.0 -62.7 340 29 321.6 321.6 289.3 321.7 0.02 WND Sounding variables and indices 1000-500 mb thick: 5499.00 m Freezing level: 779.55 mb = 2301.33 m = 7550.22 ft Wetbulb zero: 833.67 mb = 1732.63 m = 5684.41 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 28.15 % Est. max temperature: 20.94 C = 69.70 F Sfc-Lift cond lev (LCL): 766.10 mb = 2410.49 m = 7908.34 ft T: -1.09 C 700-500 lapse rate: 6.59 C/km ThetaE index: 5.18 C Layer 925.0- 713.0 mb Conv cond level (CCL): 722.37 mb = 2881.93 m = 9455.03 ft Mean mixing ratio: 3.44 g/kg Conv temperature: 20.71 C = 69.27 F Cap Strength: 6.62 C Lifted Index: 6.23 C Risk: None Lifted Index @300 mb: 8.70 C Lifted Index @700 mb: 4.10 C Showalter Index: 7.63 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 27.70 C Cross Totals Index: 12.70 C K Index: 11.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 1.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.11 J/kg Max Up Vert Vel: 3.20 m/s Conv Inhibition (B-): 54616.18 J/kg Cap Strength: 6.59 C Lift Cond Lev (LCL): 725.93 mb = 2842.51 m = 9325.71 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 312 at 12 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 1005 169 260 7 6.9 1.2 | 167 10 -2.3 9.5 1 1000 211 280 9 8.9 -1.6 | 177 7 -0.3 6.7 2 925 874 285 11 10.6 -2.8 | 195 6 1.5 5.4 3 850 1577 300 11 9.5 -5.5 | 188 3 0.4 2.8 4 700 3131 270 15 15.0 -0.0 | 215 10 5.8 8.3 5 500 5710 285 25 24.1 -6.5 | 263 15 15.0 1.8 6 400 7310 300 23 19.9 -11.5 | 287 11 10.8 -3.2 7 300 9260 325 23 13.2 -18.8 | 339 11 4.0 -10.6 8 250 10430 330 27 13.5 -23.4 | 344 16 4.3 -15.1 9 227 11031 340 29 9.9 -27.3 | 358 19 0.8 -19.0 10 200 11820 345 31 8.0 -29.9 | 3 22 -1.1 -21.7 11 150 13640 345 35 9.1 -33.8 | 0 26 -0.1 -25.5 12 100 16210 350 27 4.7 -26.6 | 14 19 -4.5 -18.3 13 70 18470 340 17 5.8 -16.0 | 23 8 -3.3 -7.7 14 50 20610 5 13 -1.1 -13.0 | 66 11 -10.3 -4.7 15 30 23880 30 25 -12.5 -21.7 | 58 25 -21.7 -13.4 16 20 26480 35 19 -10.9 -15.6 | 70 21 -20.1 -7.3 Wind Parameters Mean winds (0-6000m): 282.1 at 16.5 knts Storm direction: 312.1 at 12.3 knts Shear (0-3000m) pos: 1.2 neg: 1.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 49.5 deg Storm rel helicity (0-3000m) pos: 8.8 neg: -0.7 tot: 8.1 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.81 Bulk Shear: 6.33 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 ------------------------------------------------------------------------------- 500 281 10 182 6| 5.0 0.0 5.0| 5.5 0.0 5.5 11.0 0.58| 5.0 3.0 1000 284 10 187 6| 3.2 0.0 3.2| 6.4 -0.1 6.3 6.3 0.50| 3.5 1.8 1500 288 10 189 5| 2.5 0.0 2.5| 6.6 -0.4 6.2 4.1 0.38| 3.0 1.1 2000 290 11 193 5| 1.8 0.6 2.5| 7.9 -0.4 7.4 3.7 0.41| 2.9 1.2 2500 288 11 198 5| 1.5 1.0 2.5| 8.5 -0.4 8.1 3.2 0.36| 2.8 1.0 3000 285 12 204 6| 1.2 1.3 2.5| 8.8 -0.7 8.1 2.7 0.30| 2.8 0.8 4000 281 13 213 7| 1.4 1.0 2.4| 20.2 -0.7 19.5 4.9 0.43| 2.6 1.1 5000 281 15 224 8| 1.6 0.8 2.3| 33.2 -0.7 32.4 6.5 0.51| 2.6 1.3 6000 282 16 235 8| 1.6 0.6 2.2| 46.9 -0.7 46.1 7.7 0.56| 2.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//X4172/skewt/X4172.skewt.20250418.00.gif