UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123000.upa.cvt Date: 0000Z 30 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 30 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 312 1 925 851 0 0 SFC 919 896 -39.9 -44.9 59 5.0 -40.0 0 0 239.0 239.0 238.6 239.2 0.08 3 911 957 -28.1 -34.1 56 6.0 -28.5 358 1 251.7 251.7 250.7 252.3 0.23 4 900 1046 -21.3 -27.3 58 6.0 -22.0 356 2 259.6 259.6 257.8 260.8 0.45 5 854 1432 -23.5 -29.5 58 6.0 -24.1 346 7 261.2 261.2 258.9 262.3 0.39 6 850 1466 -23.3 -30.3 53 7.0 -24.0 345 7 261.7 261.8 259.3 262.8 0.36 7 822 1711 -23.3 -31.3 48 8.0 -24.1 343 8 264.3 264.3 261.2 265.3 0.34 8 790 2001 -23.7 -32.7 43 9.0 -24.6 341 9 266.8 266.9 263.0 267.8 0.31 9 717 2702 -28.5 -40.5 31 12.0 -29.3 336 11 269.1 269.1 264.3 269.6 0.16 10 711 2762 -28.5 -40.5 31 12.0 -29.3 336 11 269.7 269.7 264.8 270.2 0.16 11 700 2874 -28.9 -40.9 31 12.0 -29.7 335 11 270.5 270.5 265.3 271.0 0.15 12 500 5220 -41.1 -53.1 26 12.0 -41.5 10 42 282.9 282.9 272.9 283.1 0.06 13 449 5944 -43.9 -53.9 32 10.0 -44.2 10 47 288.2 288.3 275.9 288.4 0.06 14 400 6710 -48.5 -58.5 30 10.0 -48.7 10 52 292.0 292.0 277.7 292.1 0.04 15 321 8132 -56.5 -66.5 27 10.0 -56.6 6 55 299.8 299.8 281.3 299.9 0.02 16 300 8560 -57.3 -67.3 27 10.0 -57.4 5 56 304.6 304.6 283.2 304.6 0.01 17 275 9110 -57.1 -67.1 27 10.0 -57.2 7 48 312.5 312.5 286.2 312.6 0.02 18 250 9710 -59.1 -69.1 26 10.0 -59.2 10 40 318.2 318.2 288.2 318.3 0.01 19 233 10152 -61.3 -71.3 25 10.0 -61.4 15 38 321.3 321.3 289.2 321.4 0.01 20 212 10742 -60.5 -70.5 26 10.0 -60.6 356 43 331.4 331.4 292.1 331.4 0.01 21 200 11110 -56.3 -66.3 27 10.0 -56.5 345 46 343.6 343.6 295.2 343.7 0.03 22 178 11858 -51.5 -62.5 26 11.0 -51.8 345 42 363.1 363.1 299.4 363.3 0.05 23 150 12970 -51.3 -63.3 23 12.0 -51.7 345 36 381.7 381.7 302.6 381.9 0.05 24 100 15580 -54.7 -68.7 16 14.0 -55.2 330 44 422.0 422.0 308.0 422.2 0.04 25 96 15841 -55.1 -69.1 16 14.0 -55.6 329 44 426.2 426.2 308.4 426.4 0.04 26 89 16324 -55.7 -70.7 14 15.0 -56.2 328 45 434.3 434.4 309.3 434.5 0.03 27 74 17510 -51.9 -67.9 13 16.0 -52.8 326 47 465.9 465.9 312.3 466.2 0.06 28 70 17870 -52.1 -69.1 11 17.0 -53.0 325 48 472.9 472.9 312.9 473.2 0.05 29 63 18551 -51.5 -68.5 11 17.0 -52.6 323 42 488.7 488.7 314.1 489.1 0.06 30 59 18975 -52.3 -69.3 11 17.0 -53.4 322 38 496.2 496.2 314.7 496.5 0.06 31 56 19309 -55.3 -72.3 10 17.0 -56.1 322 35 496.8 496.8 314.7 497.0 0.04 32 50 20030 -55.7 -73.7 9 18.0 -56.6 320 29 512.2 512.2 315.8 512.4 0.04 33 42 21145 -56.1 -74.1 9 18.0 -57.1 308 29 537.4 537.4 317.4 537.7 0.04 34 37 21962 -51.7 -70.7 9 19.0 -53.4 299 29 568.6 568.6 319.1 569.1 0.07 35 30 23320 -53.9 -72.9 8 19.0 -55.5 285 29 597.7 597.7 320.5 598.2 0.07 36 28 23762 -54.7 -73.7 8 19.0 -56.3 607.4 607.4 321.0 607.9 0.06 37 24 24765 -47.5 -68.5 7 21.0 -51.0 655.7 655.7 322.9 657.0 0.16 38 23 25045 -49.7 -69.7 8 20.0 -52.7 657.2 657.3 323.0 658.4 0.14 TRP 233 10152 -61.3 -71.3 25 10.0 -61.4 15 38 321.3 321.3 289.2 321.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 4908.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 35.94 % Est. max temperature: -12.06 C = 10.29 F Sfc-Lift cond lev (LCL): 841.59 mb = 1538.70 m = 5048.16 ft T: -23.30 C 700-500 lapse rate: 5.20 C/km ThetaE index: 0.00 C Layer 919.0- -0.0 mb Conv cond level (CCL): 919.00 mb = 895.56 m = 2938.15 ft Mean mixing ratio: 0.37 g/kg Conv temperature: -29.30 C = -20.75 F Cap Strength: 9.34 C Lifted Index: 18.29 C Risk: None Lifted Index @300 mb: 31.10 C Lifted Index @700 mb: 9.34 C Showalter Index: 16.60 C Risk: None Total Totals Index: 28.60 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 10.80 C K Index: -24.50 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 4.30 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 48.96 J/kg Max Up Vert Vel: 9.90 m/s Conv Inhibition (B-): 59869.85 J/kg Cap Strength: 18.10 C Lift Cond Lev (LCL): 783.75 mb = 2058.54 m = 6753.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 35 at 20 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 ---------------------------------------------------------- 0 919 896 0 0 -0.0 -0.0 | 215 20 11.3 16.4 1 850 1466 345 7 1.8 -6.8 | 234 16 13.1 9.6 2 700 2874 335 11 4.6 -10.0 | 248 17 16.0 6.4 3 500 5220 10 42 -7.3 -41.4 | 351 25 4.0 -25.0 4 400 6710 10 52 -9.0 -51.2 | 356 35 2.3 -34.8 5 300 8560 5 56 -4.9 -55.8 | 351 40 6.4 -39.4 6 250 9710 10 40 -6.9 -39.4 | 349 23 4.4 -23.0 7 233 10152 15 38 -9.8 -36.7 | 356 20 1.5 -20.3 8 200 11110 345 46 11.9 -44.4 | 320 36 23.2 -28.1 9 150 12970 345 36 9.3 -34.8 | 312 28 20.6 -18.4 10 100 15580 330 44 22.0 -38.1 | 303 40 33.3 -21.7 11 70 17870 325 48 27.5 -39.3 | 301 45 38.8 -22.9 12 50 20030 320 29 18.6 -22.2 | 281 31 30.0 -5.8 13 30 23320 285 29 28.0 -7.5 | 257 40 39.3 8.9 Wind Parameters Mean winds (0-6000m): 4.6 at 26.5 knts Storm direction: 34.6 at 19.9 knts Shear (0-3000m) pos: 2.4 neg: 1.9 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 82.0 deg Storm rel helicity (0-3000m) pos: 108.5 neg: 0.0 tot: 108.5 m^2/s^2 ave: 36.2 10^-3 m/s^2 rel: 0.94 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.66 Bulk Shear: 74.28 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 ------------------------------------------------------------------------------- 500 345 3 222 18| 0.0 6.3 6.3| 23.2 0.0 23.2 46.4 0.80| 6.4 5.1 1000 344 5 228 17| 0.0 4.2 4.2| 32.5 0.0 32.5 32.5 0.85| 4.3 3.7 1500 342 6 232 17| 0.0 3.3 3.3| 39.0 0.0 39.0 26.0 0.87| 3.4 3.0 2000 340 7 236 17| 0.0 2.9 2.9| 46.4 0.0 46.4 23.2 0.88| 3.0 2.6 2500 340 9 240 16| 1.4 2.3 3.7| 76.8 0.0 76.8 30.7 0.92| 3.8 3.5 3000 343 11 247 16| 2.4 1.9 4.3|108.5 0.0 108.5 36.2 0.94| 4.4 4.2 4000 354 16 268 13| 3.7 1.5 5.1|183.6 0.0 183.6 45.9 0.94| 5.3 5.0 5000 2 22 296 12| 3.5 1.5 5.0|223.6 0.0 223.6 44.7 0.88| 5.3 4.6 6000 5 27 318 14| 3.0 1.7 4.7|235.4 -3.0 232.4 38.7 0.80| 4.9 3.9 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251230.00.gif