UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 28 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 -7 90 7 SFC 993 52 12.6 10.3 86 2.3 11.3 90 7 286.3 287.7 284.7 308.4 7.94 2 925 648 9.2 6.9 86 2.3 7.9 155 23 288.7 289.9 284.5 307.8 6.75 3 850 1339 5.2 2.7 84 2.5 3.9 180 31 291.6 292.6 284.3 307.4 5.47 4 773 2108 0.6 -2.0 83 2.6 -0.6 182 29 294.7 295.4 284.3 307.3 4.27 5 700 2900 -2.7 -5.4 82 2.7 -3.8 185 27 299.5 300.2 285.5 310.5 3.65 6 649 3495 -5.9 -9.2 77 3.3 -7.2 188 29 302.4 303.0 285.8 311.5 2.93 7 500 5490 -18.1 -22.6 68 4.5 -19.2 200 38 311.0 311.2 287.1 315.1 1.24 8 467 5998 -20.9 -26.9 59 6.0 -22.1 203 35 313.6 313.8 287.6 316.7 0.90 9 441 6418 -25.5 -31.5 57 6.0 -26.5 206 33 313.0 313.1 287.1 315.1 0.62 10 400 7120 -30.3 -37.3 50 7.0 -31.1 210 29 315.6 315.7 287.8 317.0 0.39 11 374 7597 -32.7 -38.7 55 6.0 -33.3 206 31 318.6 318.6 288.7 319.9 0.36 12 300 9110 -46.3 -53.3 45 7.0 -46.6 195 38 320.1 320.1 288.9 320.4 0.09 13 262 9999 -53.9 -60.9 42 7.0 -54.1 195 42 321.6 321.6 289.3 321.8 0.04 14 250 10300 -55.3 -62.3 41 7.0 -55.4 195 44 323.9 323.9 290.0 324.0 0.04 15 240 10558 -56.3 -63.3 41 7.0 -56.4 210 42 326.2 326.2 290.6 326.3 0.03 16 200 11720 -52.7 -59.7 42 7.0 -52.9 215 40 349.3 349.3 296.5 349.6 0.06 17 152 13513 -48.1 -58.1 31 10.0 -48.6 229 40 385.7 385.7 303.2 386.2 0.10 18 150 13600 -49.5 -59.5 30 10.0 -50.0 230 40 384.8 384.8 303.1 385.2 0.08 19 100 16240 -52.9 -64.9 22 12.0 -53.4 235 23 425.5 425.5 308.4 425.8 0.06 20 90 16919 -53.5 -65.5 22 12.0 -54.1 242 25 437.3 437.4 309.6 437.7 0.06 21 70 18530 -55.1 -67.1 21 12.0 -55.7 260 29 466.5 466.5 312.4 466.9 0.07 22 51 20554 -56.9 -67.9 24 11.0 -57.5 251 14 506.5 506.5 315.4 507.0 0.08 23 50 20680 -55.7 -66.7 24 11.0 -56.4 250 13 512.2 512.2 315.8 512.8 0.10 24 32 23535 -52.3 -63.3 25 11.0 -53.8 34 6 591.1 591.1 320.3 592.8 0.24 25 30 23950 -53.5 -64.5 25 11.0 -54.9 55 5 598.8 598.9 320.6 600.4 0.22 26 26 24867 -54.5 -65.5 25 11.0 -55.9 20 6 621.0 621.0 321.6 622.7 0.22 27 24 25383 -51.3 -63.3 23 12.0 -53.4 360 6 644.6 644.8 322.6 647.2 0.32 28 20 26570 -49.9 -61.9 23 12.0 -52.5 315 7 683.4 683.6 324.0 687.4 0.46 29 13 29403 -47.3 -59.3 24 12.0 -51.5 782.0 782.5 327.0 791.7 0.99 TRP 240 10558 -56.3 -63.3 41 7.0 -56.4 210 42 326.2 326.2 290.6 326.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 759.73 mb = 2252.10 m = 7388.70 ft Wetbulb zero: 782.66 mb = 2007.51 m = 6586.23 ft Precipitable water: 0.89 inches Sfc-500 mean rel hum: 79.07 % Est. max temperature: 18.13 C = 64.63 F Sfc-Lift cond lev (LCL): 959.23 mb = 342.93 m = 1125.08 ft T: 10.94 C 700-500 lapse rate: 5.95 C/km ThetaE index: 1.19 C Layer 925.0- 700.0 mb Conv cond level (CCL): 879.00 mb = 1064.81 m = 3493.41 ft Mean mixing ratio: 7.06 g/kg Conv temperature: 16.72 C = 62.09 F Cap Strength: 3.10 C Lifted Index: 5.49 C Risk: None Lifted Index @300 mb: 8.76 C Lifted Index @700 mb: 2.41 C Showalter Index: 5.90 C Risk: None Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 20.80 C K Index: 23.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 132.40 Risk: None Energy Index: 1.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.35 J/kg Max Up Vert Vel: 4.97 m/s Conv Inhibition (B-): 49874.23 J/kg Cap Strength: 5.24 C Lift Cond Lev (LCL): 909.90 mb = 782.50 m = 2567.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 217 at 22 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 ---------------------------------------------------------- 0 993 52 90 7 -7.0 0.0 | 49 27 -20.5 -17.7 1 925 648 155 23 -9.7 20.8 | 98 23 -23.2 3.1 2 850 1339 180 31 0.0 31.0 | 134 19 -13.5 13.3 3 700 2900 185 27 2.4 26.9 | 129 14 -11.2 9.2 4 500 5490 200 38 13.0 35.7 | 178 18 -0.5 18.0 5 400 7120 210 29 14.5 25.1 | 188 7 1.0 7.4 6 300 9110 195 38 9.8 36.7 | 169 19 -3.7 19.0 7 250 10300 195 44 11.4 42.5 | 175 25 -2.1 24.8 8 240 10558 210 42 21.0 36.4 | 202 20 7.5 18.6 9 200 11720 215 40 22.9 32.8 | 212 18 9.4 15.0 10 150 13600 230 40 30.6 25.7 | 245 19 17.1 8.0 11 100 16240 235 23 18.8 13.2 | 310 7 5.3 -4.5 12 70 18530 260 29 28.6 5.0 | 310 20 15.0 -12.7 13 50 20680 250 13 12.2 4.4 | 6 13 -1.3 -13.3 14 30 23950 55 5 -4.1 -2.9 | 41 27 -17.6 -20.6 15 20 26570 315 7 4.9 -4.9 | 21 24 -8.6 -22.7 Wind Parameters Mean winds (0-6000m): 187.3 at 29.7 knts Storm direction: 217.3 at 22.3 knts Shear (0-3000m) pos: 5.0 neg: 0.0 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 238.2 neg: -6.0 tot: 232.2 m^2/s^2 ave: 77.4 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 6.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.17 Bulk Shear: 71.45 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 ------------------------------------------------------------------------------- 500 138 14 72 24| 17.8 0.0 17.8|132.6 0.0 132.6 265.1 0.97| 19.4 18.9 1000 154 19 89 22| 14.0 0.0 14.0|204.2 0.0 204.2 204.2 0.96| 16.2 15.5 1500 165 23 102 20| 10.7 0.0 10.7|235.5 -0.6 234.8 156.6 0.94| 13.2 12.4 2000 170 25 110 19| 7.8 0.0 7.8|235.5 -2.5 233.0 116.5 0.89| 10.3 9.2 2500 173 25 114 18| 6.0 0.0 6.0|235.5 -4.6 230.9 92.4 0.85| 8.5 7.2 3000 175 26 117 18| 5.0 0.0 5.0|238.2 -6.0 232.2 77.4 0.82| 7.4 6.1 4000 179 27 123 17| 4.4 0.0 4.4|258.3 -6.0 252.3 63.1 0.84| 6.2 5.2 5000 183 28 132 16| 4.0 0.0 4.0|280.3 -6.0 274.3 54.9 0.85| 5.5 4.7 6000 187 30 140 15| 3.3 0.0 3.3|294.5 -6.0 288.5 48.1 0.82| 5.1 4.2 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250428.12.gif