UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 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 176 1 925 788 SFC 912 898 -8.3 -15.3 57 7.0 -10.0 0 0 271.9 272.1 268.4 275.5 1.27 3 908 932 -7.9 -18.9 41 11.0 -10.4 353 0 272.7 272.8 268.2 275.4 0.94 4 888 1106 -6.5 -18.5 38 12.0 -9.4 315 2 275.9 276.0 270.4 278.8 1.00 5 864 1320 -6.7 -18.7 38 12.0 -9.6 268 4 277.8 278.0 271.6 280.8 1.01 6 850 1447 -7.9 -19.9 37 12.0 -10.6 240 5 277.9 278.0 271.5 280.6 0.93 7 829 1641 -9.7 -21.7 37 12.0 -12.2 249 7 278.0 278.1 271.4 280.4 0.81 8 811 1810 -8.5 -18.5 44 10.0 -10.9 257 8 281.0 281.2 273.6 284.2 1.09 9 742 2498 -9.7 -17.7 52 8.0 -11.8 289 15 286.9 287.1 277.0 290.8 1.28 10 702 2925 -9.7 -16.7 57 7.0 -11.6 309 19 291.5 291.8 279.6 296.0 1.47 11 700 2947 -9.9 -16.9 57 7.0 -11.8 310 19 291.5 291.8 279.5 296.0 1.45 12 647 3551 -12.5 -18.5 61 6.0 -14.0 315 25 295.2 295.5 281.1 299.5 1.37 13 576 4427 -19.9 -24.7 66 4.8 -20.8 322 35 296.5 296.7 281.1 299.4 0.90 14 549 4781 -23.1 -29.1 58 6.0 -24.1 324 38 296.8 296.9 280.8 298.9 0.63 15 510 5317 -26.3 -36.3 38 10.0 -27.5 329 44 299.3 299.3 281.5 300.4 0.34 16 500 5460 -27.9 -39.9 31 12.0 -29.1 330 46 299.0 299.1 281.3 299.8 0.24 17 480 5752 -30.9 -44.9 24 14.0 -31.9 331 49 298.8 298.9 281.0 299.3 0.15 18 455 6129 -34.1 -47.1 26 13.0 -34.9 332 54 299.4 299.5 281.3 299.9 0.12 19 415 6768 -38.5 -49.5 30 11.0 -39.1 334 61 301.8 301.8 282.2 302.1 0.10 20 400 7020 -41.1 -52.1 30 11.0 -41.5 335 64 301.6 301.6 282.1 301.9 0.08 21 313 8622 -56.7 -66.7 27 10.0 -56.8 335 91 301.7 301.7 282.1 301.8 0.02 22 311 8662 -56.5 -66.5 27 10.0 -56.6 335 91 302.5 302.5 282.4 302.6 0.02 23 300 8890 -55.7 -65.7 28 10.0 -55.8 340 81 306.8 306.8 284.1 306.9 0.02 24 280 9330 -56.9 -66.9 27 10.0 -57.0 338 68 311.2 311.2 285.8 311.3 0.02 25 264 9708 -52.7 -62.7 29 10.0 -52.9 336 56 322.6 322.7 289.6 322.8 0.03 26 250 10060 -53.5 -64.5 25 11.0 -53.7 335 46 326.5 326.5 290.7 326.6 0.03 27 213 11086 -54.9 -67.9 19 13.0 -55.1 335 37 339.7 339.7 294.3 339.7 0.02 28 200 11490 -52.3 -66.3 17 14.0 -52.6 335 33 349.9 350.0 296.7 350.1 0.03 29 172 12470 -50.3 -66.3 13 16.0 -50.8 335 24 368.7 368.7 300.4 368.8 0.03 30 150 13360 -51.9 -69.9 10 18.0 -52.4 335 15 380.6 380.7 302.3 380.7 0.02 31 123 14640 -54.3 -73.3 8 19.0 -54.8 333 11 398.5 398.5 305.0 398.6 0.02 32 100 15970 -53.3 -73.3 7 20.0 -53.9 330 7 424.7 424.7 308.3 424.8 0.02 33 78 17578 -51.5 -73.5 6 22.0 -52.4 295 6 459.8 459.8 311.8 459.9 0.02 34 70 18280 -52.5 -74.5 5 22.0 -53.4 280 5 472.1 472.1 312.8 472.2 0.02 35 61 19167 -52.1 -74.1 5 22.0 -53.2 309 7 491.9 491.9 314.4 492.1 0.03 36 56 19715 -54.9 -76.9 5 22.0 -55.8 326 8 497.7 497.7 314.8 497.8 0.02 37 50 20440 -53.1 -75.1 5 22.0 -54.3 350 9 518.3 518.4 316.2 518.5 0.03 38 30 23740 -51.5 -75.5 4 24.0 -53.7 20 7 604.2 604.3 320.8 604.6 0.05 39 20 26390 -48.9 -73.9 4 25.0 -52.6 95 13 686.5 686.5 324.0 687.2 0.09 40 15 28286 -47.5 -73.5 3 26.0 -52.5 750.0 750.1 326.0 751.1 0.12 TRP 313 8622 -56.7 -66.7 27 10.0 -56.8 335 91 301.7 301.7 282.1 301.8 0.02 WND 311 8662 -56.5 -66.5 27 10.0 -56.6 335 91 302.5 302.5 282.4 302.6 0.02 Sounding variables and indices 1000-500 mb thick: 5284.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 51.89 % Est. max temperature: 4.57 C = 40.23 F Sfc-Lift cond lev (LCL): 815.28 mb = 1769.54 m = 5805.49 ft T: -8.79 C 700-500 lapse rate: 7.16 C/km ThetaE index: 0.41 C Layer 850.0- 811.0 mb Conv cond level (CCL): 525.69 mb = 5096.60 m = 16720.92 ft Mean mixing ratio: 0.96 g/kg Conv temperature: 17.37 C = 63.27 F Cap Strength: 16.51 C Lifted Index: 16.14 C Risk: None Lifted Index @300 mb: 19.16 C Lifted Index @700 mb: 12.90 C Showalter Index: 15.56 C Risk: None Total Totals Index: 28.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 8.00 C K Index: -6.90 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 4.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.04 J/kg Max Up Vert Vel: 6.93 m/s Conv Inhibition (B-): 54737.18 J/kg Cap Strength: 16.32 C Lift Cond Lev (LCL): 714.58 mb = 2788.04 m = 9146.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 355 at 23 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 ---------------------------------------------------------- 0 912 898 0 0 -0.0 -0.0 | 175 23 -1.8 22.8 1 850 1447 240 5 4.3 2.5 | 186 25 2.5 25.3 2 700 2947 310 19 14.6 -12.2 | 230 17 12.7 10.6 3 500 5460 330 46 23.0 -39.8 | 309 27 21.2 -17.1 4 400 7020 335 64 27.0 -58.0 | 324 43 25.2 -35.2 5 313 8622 335 91 38.5 -82.5 | 328 70 36.6 -59.7 6 311 8662 335 91 38.5 -82.5 | 328 70 36.6 -59.7 7 300 8890 340 81 27.7 -76.1 | 334 59 25.9 -53.4 8 250 10060 335 46 19.4 -41.7 | 317 26 17.6 -18.9 9 200 11490 335 33 13.9 -29.9 | 300 14 12.1 -7.1 10 150 13360 335 15 6.3 -13.6 | 206 10 4.5 9.2 11 100 15970 330 7 3.5 -6.1 | 186 17 1.7 16.7 12 70 18280 280 5 4.9 -0.9 | 188 22 3.1 21.9 13 50 20440 350 9 1.6 -8.9 | 179 14 -0.3 13.9 14 30 23740 20 7 -2.4 -6.6 | 165 17 -4.2 16.2 15 20 26390 95 13 -13.0 1.1 | 148 28 -14.8 23.9 Wind Parameters Mean winds (0-6000m): 325.4 at 30.4 knts Storm direction: 355.4 at 22.8 knts Shear (0-3000m) pos: 4.8 neg: 0.8 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 90.7 deg Storm rel helicity (0-3000m) pos: 176.3 neg: 0.0 tot: 176.3 m^2/s^2 ave: 58.8 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 5.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.20 Bulk Shear: 122.23 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 ------------------------------------------------------------------------------- 500 239 2 180 24| 0.0 4.7 4.7| 23.3 0.0 23.3 46.7 0.62| 6.7 4.1 1000 249 5 186 24| 2.5 2.3 4.8| 56.0 0.0 56.0 56.0 0.73| 6.2 4.6 1500 268 7 192 23| 3.6 1.6 5.1| 94.3 0.0 94.3 62.9 0.79| 6.4 5.1 2000 291 9 199 21| 4.2 1.2 5.4|126.4 0.0 126.4 63.2 0.78| 6.9 5.4 2500 300 11 205 19| 4.6 0.9 5.5|151.0 0.0 151.0 60.4 0.81| 6.7 5.5 3000 305 14 213 18| 4.8 0.8 5.5|176.3 0.0 176.3 58.8 0.84| 6.6 5.5 4000 314 19 232 15| 5.0 0.6 5.6|232.6 0.0 232.6 58.2 0.85| 6.4 5.5 5000 321 25 255 14| 5.2 0.5 5.7|291.4 0.0 291.4 58.3 0.82| 6.4 5.2 6000 325 30 279 16| 5.3 0.4 5.7|348.2 0.0 348.2 58.0 0.77| 6.4 4.9 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20250427.00.gif