UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 27 APR 25 Station: X0557 WMO ident: 30557 ------------------------------------------------------------------------------- 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 94 1 925 735 SFC 907 895 3.8 0.1 77 3.7 2.1 0 0 284.8 285.5 279.9 296.8 4.24 3 850 1420 0.6 -3.9 72 4.5 -1.3 260 13 286.8 287.4 279.8 296.5 3.37 4 722 2710 -7.5 -11.9 71 4.4 -8.9 306 16 291.6 292.0 280.4 298.0 2.13 5 700 2951 -8.1 -11.8 75 3.7 -9.3 315 17 293.5 293.9 281.4 300.2 2.21 6 560 4659 -15.5 -18.8 76 3.3 -16.4 318 47 304.1 304.4 284.9 309.1 1.55 7 535 5003 -15.9 -18.7 79 2.8 -16.7 319 53 307.6 307.9 286.4 312.9 1.63 8 500 5510 -18.9 -21.9 77 3.0 -19.6 320 62 310.0 310.2 286.9 314.4 1.32 9 400 7140 -28.3 -32.7 66 4.4 -29.0 325 69 318.2 318.3 288.9 320.4 0.61 10 387 7376 -29.7 -34.0 66 4.3 -30.3 325 69 319.4 319.5 289.2 321.4 0.56 11 300 9140 -42.7 -47.3 61 4.6 -43.0 325 73 325.2 325.2 290.5 325.9 0.18 12 296 9231 -43.1 -47.8 60 4.7 -43.4 325 73 325.9 325.9 290.7 326.5 0.17 13 250 10350 -51.9 -56.5 58 4.6 -52.0 325 75 328.9 328.9 291.5 329.2 0.07 14 231 10858 -55.9 -60.4 57 4.5 -56.0 320 77 330.3 330.3 291.9 330.5 0.05 15 212 11398 -60.3 -64.6 57 4.3 -60.4 323 73 331.7 331.7 292.2 331.8 0.03 16 200 11760 -62.1 -66.6 55 4.5 -62.1 325 71 334.4 334.4 292.9 334.5 0.02 17 184 12270 -64.7 -69.1 55 4.4 -64.7 325 68 338.3 338.3 293.9 338.4 0.02 18 179 12438 -64.9 -69.3 54 4.4 -65.0 325 65 340.6 340.6 294.5 340.7 0.02 19 161 13094 -57.5 -62.1 56 4.6 -57.6 325 55 363.6 363.6 299.4 363.8 0.06 20 150 13540 -57.1 -61.7 56 4.6 -57.2 325 48 371.7 371.7 300.9 372.0 0.06 21 121 14910 -54.1 -59.1 54 5.0 -54.3 328 39 400.7 400.8 305.4 401.3 0.11 22 100 16130 -55.7 -61.7 47 6.0 -55.9 330 31 420.1 420.1 307.8 420.6 0.09 23 70 18410 -54.3 -63.3 32 9.0 -54.8 325 19 468.2 468.2 312.5 468.9 0.11 24 61 19289 -55.3 -64.3 32 9.0 -55.9 321 17 484.8 484.8 313.9 485.5 0.11 25 50 20560 -54.1 -65.1 25 11.0 -54.9 315 15 516.0 516.0 316.1 516.8 0.12 26 43 21532 -51.9 -63.9 22 12.0 -53.1 327 14 544.1 544.2 317.8 545.3 0.16 27 31 23640 -54.3 -67.3 19 13.0 -55.6 352 13 591.0 591.1 320.2 592.1 0.14 28 30 23850 -54.3 -68.3 16 14.0 -55.7 355 13 596.6 596.7 320.5 597.6 0.13 29 20 26460 -52.3 -67.3 15 15.0 -54.7 60 11 676.1 676.2 323.7 678.0 0.22 30 11 30361 -49.9 -67.9 10 18.0 -54.5 34 8 810.9 811.1 327.6 814.7 0.37 31 10 30990 -46.5 -64.5 11 18.0 -52.6 30 7 846.0 846.3 328.4 852.9 0.66 32 6.3 34097 -40.7 -61.7 9 21.0 -51.2 990.2 991.1 331.3 1008.9 1.51 TRP 184 12270 -64.7 -69.1 55 4.4 -64.7 325 68 338.3 338.3 293.9 338.4 0.02 WND 231 10858 -55.9 -60.4 57 4.5 -56.0 320 77 330.3 330.3 291.9 330.5 0.05 Sounding variables and indices 1000-500 mb thick: 5416.00 m Freezing level: 840.52 mb = 1515.58 m = 4972.31 ft Wetbulb zero: 871.29 mb = 1219.88 m = 4002.18 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 74.38 % Est. max temperature: 9.07 C = 48.33 F Sfc-Lift cond lev (LCL): 856.56 mb = 1357.79 m = 4454.65 ft T: 0.98 C 700-500 lapse rate: 4.22 C/km ThetaE index: 0.32 C Layer 850.0- 722.0 mb Conv cond level (CCL): 762.25 mb = 2281.43 m = 7484.91 ft Mean mixing ratio: 3.51 g/kg Conv temperature: 8.87 C = 47.97 F Cap Strength: 11.27 C Lifted Index: 12.43 C Risk: None Lifted Index @300 mb: 20.30 C Lifted Index @700 mb: 3.31 C Showalter Index: 12.55 C Risk: None Total Totals Index: 34.50 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 15.00 C K Index: 11.90 Risk: None Sweat Index: 88.00 Risk: None Energy Index: 3.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.30 J/kg Max Up Vert Vel: 5.35 m/s Conv Inhibition (B-): 67375.81 J/kg Cap Strength: 12.39 C Lift Cond Lev (LCL): 801.52 mb = 1884.31 m = 6182.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 at 28 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 ---------------------------------------------------------- 0 907 895 0 0 -0.0 -0.0 | 167 28 -6.1 26.9 1 850 1420 260 13 12.8 2.3 | 193 30 6.7 29.1 2 700 2951 315 17 12.0 -12.0 | 202 16 5.9 14.8 3 500 5510 320 62 39.9 -47.5 | 301 40 33.7 -20.6 4 400 7140 325 69 39.6 -56.5 | 312 45 33.5 -29.7 5 300 9140 325 73 41.9 -59.8 | 313 49 35.7 -32.9 6 250 10350 325 75 43.0 -61.4 | 313 51 36.9 -34.6 7 231 10858 320 77 49.5 -59.0 | 307 54 43.4 -32.1 8 200 11760 325 71 40.7 -58.2 | 312 47 34.6 -31.3 9 184 12270 325 68 39.0 -55.7 | 311 44 32.9 -28.8 10 150 13540 325 48 27.5 -39.3 | 300 25 21.4 -12.5 11 100 16130 330 31 15.5 -26.8 | 270 9 9.4 0.0 12 70 18410 325 19 10.9 -15.6 | 203 12 4.8 11.3 13 50 20560 315 15 10.6 -10.6 | 195 17 4.5 16.3 14 30 23850 355 13 1.1 -13.0 | 160 15 -5.0 13.9 15 20 26460 60 11 -9.5 -5.5 | 144 26 -15.7 21.4 16 10 30990 30 7 -3.5 -6.1 | 155 23 -9.6 20.8 Wind Parameters Mean winds (0-6000m): 317.2 at 36.7 knts Storm direction: 347.2 at 27.6 knts Shear (0-3000m) pos: 4.8 neg: 2.1 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 162.5 neg: -0.5 tot: 162.0 m^2/s^2 ave: 54.0 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.09 Bulk Shear: 151.32 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 ------------------------------------------------------------------------------- 500 260 6 180 28| 0.0 12.7 12.7| 68.3 0.0 68.3 136.6 0.64| 17.1 11.0 1000 266 10 188 28| 1.7 6.4 8.1| 87.4 0.0 87.4 87.4 0.63| 10.9 6.8 1500 275 12 192 26| 2.7 4.2 7.0| 97.6 0.0 97.6 65.1 0.57| 8.9 5.1 2000 286 13 195 24| 3.2 3.2 6.4| 99.5 -0.5 98.9 49.5 0.48| 8.0 3.9 2500 295 14 198 22| 4.0 2.5 6.6|128.9 -0.5 128.4 51.4 0.57| 8.1 4.6 3000 301 17 204 20| 4.8 2.1 6.9|162.5 -0.5 162.0 54.0 0.64| 8.3 5.3 4000 310 23 224 17| 5.8 1.6 7.4|232.6 -0.5 232.1 58.0 0.65| 8.5 5.5 5000 314 31 251 17| 5.9 1.3 7.2|297.9 -0.5 297.4 59.5 0.63| 8.1 5.1 6000 317 37 270 19| 5.4 1.1 6.4|348.9 -0.5 348.3 58.1 0.64| 7.2 4.6 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20250427.12.gif