UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 28 DEC 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 118 1 925 709 SFC 902 898 -17.5 -28.5 38 11.0 -18.9 360 9 263.3 263.4 260.6 264.5 0.40 3 850 1342 -20.5 -31.5 37 11.0 -21.7 330 25 264.7 264.7 261.5 265.6 0.32 4 711 2641 -28.9 -37.9 42 9.0 -29.6 344 42 269.3 269.3 264.6 269.9 0.21 5 700 2752 -29.3 -38.3 41 9.0 -30.0 345 44 270.0 270.1 265.1 270.7 0.20 6 665 3117 -30.7 -38.7 45 8.0 -31.3 345 42 272.5 272.5 266.7 273.1 0.20 7 500 5080 -44.7 -49.6 58 4.9 -44.9 345 29 278.5 278.6 270.4 278.8 0.08 8 469 5507 -47.3 -52.3 56 5.0 -47.4 344 29 280.5 280.5 271.5 280.7 0.06 9 457 5679 -48.7 -53.6 57 4.9 -48.8 343 29 280.8 280.8 271.7 281.0 0.06 10 439 5943 -49.1 -54.0 56 4.9 -49.2 342 29 283.5 283.5 273.3 283.7 0.06 11 400 6550 -53.3 -58.3 54 5.0 -53.4 340 29 285.7 285.7 274.5 285.8 0.04 12 394 6647 -53.9 -58.9 54 5.0 -54.0 340 28 286.2 286.2 274.7 286.3 0.03 13 380 6880 -52.3 -57.3 55 5.0 -52.4 339 25 291.3 291.3 277.4 291.4 0.04 14 330 7776 -59.7 -64.7 52 5.0 -59.7 335 13 293.1 293.1 278.2 293.2 0.02 15 311 8151 -55.3 -61.3 47 6.0 -55.4 326 18 304.2 304.3 283.1 304.4 0.03 16 300 8380 -55.9 -61.9 47 6.0 -56.0 320 21 306.6 306.6 284.1 306.7 0.03 17 264 9192 -55.9 -61.9 47 6.0 -56.0 320 22 318.0 318.0 288.1 318.1 0.03 18 254 9439 -54.7 -60.7 47 6.0 -54.8 320 23 323.3 323.3 289.8 323.4 0.04 19 250 9540 -54.7 -60.7 47 6.0 -54.8 320 23 324.7 324.8 290.2 324.9 0.04 20 210 10656 -54.3 -62.3 37 8.0 -54.5 304 23 342.0 342.0 294.8 342.1 0.04 21 200 10970 -53.1 -61.1 37 8.0 -53.3 300 23 348.7 348.7 296.4 348.9 0.05 22 197 11068 -52.9 -60.9 37 8.0 -53.1 299 23 350.5 350.5 296.8 350.7 0.05 23 172 11939 -55.5 -64.5 32 9.0 -55.7 295 22 360.1 360.1 298.7 360.2 0.04 24 154 12650 -52.1 -63.1 25 11.0 -52.5 291 21 377.5 377.5 301.9 377.7 0.05 25 150 12820 -52.7 -63.7 25 11.0 -53.1 290 21 379.3 379.3 302.2 379.5 0.05 26 127 13884 -57.1 -69.1 20 12.0 -57.3 292 27 389.8 389.8 303.8 390.0 0.03 27 100 15410 -53.1 -67.1 17 14.0 -53.7 295 35 425.1 425.1 308.3 425.4 0.05 28 98 15540 -52.3 -66.3 17 14.0 -52.9 293 35 429.1 429.2 308.8 429.4 0.05 29 92 15947 -53.7 -67.7 16 14.0 -54.3 288 35 434.2 434.2 309.3 434.5 0.05 30 90 16088 -53.3 -67.3 17 14.0 -53.9 286 34 437.7 437.8 309.7 438.0 0.05 31 79 16918 -58.1 -73.1 13 15.0 -58.5 275 34 444.4 444.5 310.3 444.6 0.02 32 78 16998 -57.3 -72.3 13 15.0 -57.8 274 34 447.7 447.7 310.7 447.9 0.03 33 77 17080 -55.3 -70.3 14 15.0 -55.9 273 34 453.5 453.6 311.2 453.8 0.04 34 70 17690 -53.5 -69.5 13 16.0 -54.3 265 33 469.9 469.9 312.7 470.2 0.05 35 67 17972 -52.9 -68.9 13 16.0 -53.8 263 33 477.2 477.2 313.2 477.5 0.05 36 65 18169 -51.3 -67.3 13 16.0 -52.4 262 34 484.8 484.8 313.8 485.2 0.07 37 64 18270 -48.9 -64.9 14 16.0 -50.3 261 34 492.2 492.3 314.4 492.8 0.10 38 59 18801 -52.1 -69.1 11 17.0 -53.2 257 35 496.6 496.6 314.7 497.0 0.06 39 52 19624 -49.9 -67.9 10 18.0 -51.4 252 36 520.0 520.0 316.4 520.5 0.08 40 50 19880 -50.5 -68.5 10 18.0 -52.0 250 36 524.5 524.5 316.6 525.0 0.08 41 46 20422 -51.5 -69.5 10 18.0 -52.9 247 38 534.7 534.7 317.2 535.2 0.07 42 45 20566 -49.7 -67.7 10 18.0 -51.4 246 38 542.5 542.5 317.7 543.1 0.09 43 42 21022 -44.9 -63.9 10 19.0 -47.7 243 39 565.1 565.2 319.0 566.3 0.17 44 39 21519 -43.5 -63.5 9 20.0 -46.9 240 41 580.8 580.9 319.8 582.2 0.19 45 37 21875 -40.9 -61.9 9 21.0 -45.1 238 42 596.3 596.4 320.5 598.1 0.25 46 36 22061 -40.9 -61.9 9 21.0 -45.2 237 42 601.0 601.1 320.7 602.9 0.26 47 35 22253 -39.7 -61.7 8 22.0 -44.5 236 43 609.0 609.1 321.1 611.0 0.27 48 33 22656 -38.7 -60.7 8 22.0 -44.0 234 44 621.9 622.1 321.7 624.5 0.33 49 30 23310 -39.3 -62.3 7 23.0 -44.8 230 46 637.5 637.6 322.3 639.8 0.29 50 29 23542 -38.9 -62.9 6 24.0 -44.7 229 46 644.8 644.9 322.6 647.1 0.28 51 26 24284 -42.1 -65.1 6 23.0 -47.1 226 47 656.2 656.3 323.0 658.1 0.23 52 25 24548 -42.5 -66.5 6 24.0 -47.6 226 47 662.4 662.5 323.2 664.1 0.20 53 24 24822 -44.5 -68.5 5 24.0 -49.0 224 47 664.4 664.5 323.3 665.7 0.16 54 24 24822 -44.7 -68.7 5 24.0 -49.1 224 47 663.8 663.9 323.3 665.1 0.15 55 21 25720 -41.1 -66.1 5 25.0 -47.3 221 48 700.5 700.6 324.5 702.7 0.25 56 20 26050 -42.5 -67.5 5 25.0 -48.3 220 48 706.1 706.2 324.7 708.0 0.22 57 18 26760 -43.7 -68.7 5 25.0 -49.4 723.9 724.0 325.2 725.7 0.20 58 17 27146 -41.9 -66.9 5 25.0 -48.6 741.6 741.7 325.8 744.2 0.28 59 13 28933 -49.5 -73.5 4 24.0 -54.1 774.4 774.5 326.6 775.8 0.14 TRP 330 7776 -59.7 -64.7 52 5.0 -59.7 335 13 293.1 293.1 278.2 293.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4962.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 45.45 % Est. max temperature: -13.08 C = 8.46 F Sfc-Lift cond lev (LCL): 752.39 mb = 2229.14 m = 7313.35 ft T: -26.24 C 700-500 lapse rate: 6.62 C/km Conv cond level (CCL): 615.37 mb = 3650.60 m = 11976.88 ft Mean mixing ratio: 0.33 g/kg Conv temperature: -6.93 C = 19.53 F Cap Strength: 6.66 C Lifted Index: 10.65 C Risk: None Lifted Index @300 mb: 28.98 C Lifted Index @700 mb: 4.75 C Showalter Index: 10.71 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 24.20 C Cross Totals Index: 13.20 C K Index: -16.30 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.87 J/kg Max Up Vert Vel: 4.87 m/s Conv Inhibition (B-): 62466.29 J/kg Cap Strength: 10.61 C Lift Cond Lev (LCL): 711.34 mb = 2637.17 m = 8652.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 13 at 24 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 ---------------------------------------------------------- 0 902 898 360 9 -0.0 -9.0 | 200 15 5.3 14.6 1 850 1342 330 25 12.5 -21.7 | 264 18 17.8 1.9 2 700 2752 345 44 11.4 -42.5 | 319 25 16.7 -18.9 3 500 5080 345 29 7.5 -28.0 | 289 14 12.8 -4.4 4 400 6550 340 29 9.9 -27.3 | 284 16 15.2 -3.7 5 330 7776 335 13 5.5 -11.8 | 222 16 10.8 11.8 6 300 8380 320 21 13.5 -16.1 | 248 20 18.8 7.5 7 250 9540 320 23 14.8 -17.6 | 253 21 20.0 5.9 8 200 10970 300 23 19.9 -11.5 | 244 28 25.2 12.1 9 150 12820 290 21 19.7 -7.2 | 237 30 25.0 16.4 10 100 15410 295 35 31.7 -14.8 | 257 38 37.0 8.8 11 70 17690 265 33 32.9 2.9 | 235 46 38.1 26.4 12 50 19880 250 36 33.8 12.3 | 227 53 39.1 35.9 13 30 23310 230 46 35.2 29.6 | 217 67 40.5 53.1 14 20 26050 220 48 30.9 36.8 | 211 70 36.1 60.3 Wind Parameters Mean winds (0-6000m): 342.6 at 32.2 knts Storm direction: 12.6 at 24.1 knts Shear (0-3000m) pos: 3.3 neg: 2.3 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 158.5 neg: -21.0 tot: 137.6 m^2/s^2 ave: 45.9 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 27.89 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 ------------------------------------------------------------------------------- 500 337 18 240 14| 0.0 19.0 19.0| 56.6 0.0 56.6 113.3 0.83| 19.6 16.3 1000 335 23 261 15| 3.7 9.5 13.2| 91.5 0.0 91.5 91.5 0.87| 13.5 11.8 1500 337 28 277 16| 5.0 6.3 11.4|129.5 0.0 129.5 86.4 0.88| 11.6 10.2 2000 340 31 290 17| 4.9 4.7 9.7|158.5 -1.9 156.6 78.3 0.86| 10.2 8.8 2500 341 33 296 18| 4.0 3.2 7.2|158.5 -11.4 147.1 58.8 0.76| 8.8 6.7 3000 342 34 299 18| 3.3 2.3 5.5|158.5 -21.0 137.6 45.9 0.67| 7.9 5.3 4000 343 34 300 18| 2.5 1.2 3.7|158.5 -40.0 118.5 29.6 0.50| 6.8 3.4 5000 343 33 298 17| 2.0 1.1 3.0|158.5 -46.4 112.1 22.4 0.45| 5.7 2.5 6000 343 32 296 17| 1.6 1.0 2.7|158.5 -66.0 92.5 15.4 0.32| 5.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251228.12.gif