UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122912.upa.cvt Date: 1200Z 29 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 29 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 247 1 925 806 SFC 913 899 -31.1 -34.5 72 3.4 -31.3 0 0 248.4 248.5 247.8 249.1 0.22 3 904 969 -29.9 -33.5 71 3.6 -30.2 358 2 250.4 250.4 249.6 251.1 0.25 4 898 1017 -26.3 -29.9 72 3.6 -26.6 357 3 254.6 254.6 253.4 255.6 0.36 5 894 1050 -20.7 -24.8 70 4.1 -21.2 356 3 260.7 260.8 258.9 262.3 0.57 6 850 1421 -23.3 -30.3 53 7.0 -24.0 345 11 261.7 261.8 259.3 262.8 0.36 7 812 1754 -25.3 -33.3 47 8.0 -26.0 354 13 263.1 263.1 260.2 263.9 0.28 8 785 2000 -25.9 -33.9 47 8.0 -26.6 1 14 265.0 265.0 261.6 265.8 0.28 9 770 2140 -25.7 -33.7 47 8.0 -26.4 5 15 266.7 266.7 262.9 267.5 0.29 10 749 2340 -25.9 -33.9 47 8.0 -26.6 11 16 268.6 268.6 264.2 269.4 0.29 11 717 2655 -28.5 -37.5 42 9.0 -29.2 20 18 269.1 269.1 264.4 269.7 0.21 12 700 2826 -30.1 -39.1 41 9.0 -30.7 25 19 269.2 269.2 264.4 269.7 0.18 13 592 3998 -38.9 -44.9 53 6.0 -39.2 18 15 272.1 272.2 266.4 272.5 0.12 14 563 4341 -40.3 -46.3 53 6.0 -40.5 15 14 274.4 274.4 267.8 274.8 0.11 15 555 4439 -40.1 -46.1 53 6.0 -40.4 15 13 275.8 275.8 268.7 276.1 0.11 16 535 4690 -39.3 -45.3 53 6.0 -39.6 13 13 279.7 279.7 271.2 280.1 0.12 17 500 5150 -43.1 -49.1 52 6.0 -43.3 10 11 280.5 280.5 271.6 280.8 0.09 18 473 5519 -46.7 -53.7 45 7.0 -46.9 11 12 280.5 280.5 271.5 280.7 0.05 19 402 6578 -53.3 -60.3 42 7.0 -53.4 15 17 285.3 285.3 274.2 285.4 0.03 20 400 6610 -53.3 -60.3 42 7.0 -53.4 15 17 285.7 285.7 274.5 285.8 0.03 21 337 7709 -56.9 -63.9 41 7.0 -57.0 360 33 295.2 295.2 279.2 295.2 0.02 22 300 8450 -55.5 -63.5 36 8.0 -55.6 355 33 307.1 307.1 284.2 307.2 0.02 23 250 9610 -55.1 -63.1 36 8.0 -55.2 350 29 324.1 324.2 290.0 324.3 0.03 24 200 11040 -55.3 -64.3 32 9.0 -55.5 350 31 345.2 345.2 295.6 345.3 0.03 25 183 11608 -55.5 -64.5 32 9.0 -55.7 344 32 353.8 353.8 297.5 353.9 0.04 26 162 12392 -52.3 -62.3 29 10.0 -52.6 335 32 371.7 371.7 300.9 371.9 0.05 27 150 12890 -53.1 -64.1 25 11.0 -53.4 330 33 378.6 378.6 302.1 378.8 0.05 28 100 15490 -52.5 -66.5 17 14.0 -53.1 315 31 426.3 426.3 308.4 426.6 0.05 29 92 16026 -53.9 -67.9 16 14.0 -54.5 315 31 433.8 433.8 309.3 434.0 0.04 30 79 17003 -53.3 -68.3 14 15.0 -54.0 315 30 454.4 454.4 311.3 454.6 0.05 31 77 17168 -52.9 -67.9 15 15.0 -53.7 315 30 458.5 458.6 311.7 458.8 0.05 32 70 17780 -53.7 -69.7 12 16.0 -54.5 315 29 469.5 469.5 312.6 469.8 0.05 33 62 18558 -55.3 -71.3 12 16.0 -56.0 306 37 482.5 482.6 313.7 482.8 0.04 34 57 19097 -54.1 -70.1 12 16.0 -55.0 300 43 497.0 497.0 314.8 497.3 0.05 35 56 19211 -52.9 -68.9 13 16.0 -53.9 298 44 502.3 502.3 315.1 502.7 0.06 36 50 19940 -54.9 -71.9 10 17.0 -55.8 290 52 514.1 514.1 315.9 514.4 0.05 37 47 20337 -54.7 -71.7 11 17.0 -55.7 290 50 523.8 523.8 316.5 524.1 0.05 38 46 20475 -52.7 -69.7 11 17.0 -53.9 290 49 531.8 531.8 317.1 532.3 0.07 39 42 21067 -50.9 -68.9 10 18.0 -52.5 290 46 550.3 550.3 318.1 550.9 0.09 40 37 21887 -54.5 -71.5 11 17.0 -55.8 290 41 561.4 561.4 318.8 561.8 0.07 41 37 21887 -51.3 -69.3 10 18.0 -53.1 290 41 569.6 569.6 319.2 570.2 0.09 42 34 22437 -51.9 -69.9 10 18.0 -53.7 290 38 581.9 582.0 319.8 582.6 0.09 43 32 22834 -48.1 -67.1 9 19.0 -50.7 290 35 602.3 602.3 320.7 603.4 0.14 44 31 23043 -47.9 -66.9 9 19.0 -50.7 290 34 608.3 608.4 321.0 609.5 0.15 45 30 23260 -48.3 -67.3 9 19.0 -51.0 290 33 613.0 613.0 321.2 614.1 0.15 46 29 23484 -48.3 -67.3 9 19.0 -51.1 286 35 618.9 619.0 321.5 620.1 0.15 47 29 23484 -48.1 -67.1 9 19.0 -51.0 286 35 619.5 619.5 321.5 620.7 0.16 48 27 23954 -50.1 -69.1 9 19.0 -52.6 277 38 626.7 626.7 321.8 627.7 0.13 49 25 24458 -49.5 -68.5 9 19.0 -52.3 268 42 642.3 642.4 322.4 643.5 0.15 50 24 24727 -48.1 -68.1 8 20.0 -51.4 262 45 653.9 654.0 322.9 655.3 0.17 51 22 25305 -45.3 -65.3 9 20.0 -49.6 252 49 678.8 678.9 323.8 681.0 0.27 52 22 25305 -40.7 -61.7 9 21.0 -46.6 252 49 692.5 692.6 324.3 696.2 0.43 53 20 25960 -37.1 -59.1 8 22.0 -44.8 240 54 722.6 722.9 325.3 728.5 0.66 54 20 25960 -37.3 -59.3 8 22.0 -44.9 240 54 722.0 722.3 325.3 727.8 0.64 55 18 26688 -37.1 -60.1 7 23.0 -45.3 744.7 745.0 326.0 750.7 0.65 56 17 27083 -37.7 -60.7 7 23.0 -45.9 755.1 755.4 326.3 761.0 0.63 57 14 28396 -46.7 -68.7 6 22.0 -52.0 767.7 767.8 326.5 770.2 0.26 58 12 29435 -39.3 -63.3 6 24.0 -48.3 828.5 828.8 328.1 835.1 0.64 59 10 30668 -45.3 -68.3 6 23.0 -52.4 850.5 850.7 328.5 854.6 0.39 TRP 337 7709 -56.9 -63.9 41 7.0 -57.0 360 33 295.2 295.2 279.2 295.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4903.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.05 inches Sfc-500 mean rel hum: 50.44 % Est. max temperature: -12.74 C = 9.07 F Sfc-Lift cond lev (LCL): 861.72 mb = 1320.24 m = 4331.46 ft T: -22.59 C 700-500 lapse rate: 5.59 C/km Conv cond level (CCL): 913.00 mb = 898.63 m = 2948.21 ft Mean mixing ratio: 0.38 g/kg Conv temperature: -28.94 C = -20.09 F Cap Strength: 15.64 C Lifted Index: 15.97 C Risk: None Lifted Index @300 mb: 32.61 C Lifted Index @700 mb: 7.82 C Showalter Index: 14.60 C Risk: None Total Totals Index: 32.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 12.80 C K Index: -19.50 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 3.78 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.33 J/kg Max Up Vert Vel: 9.63 m/s Conv Inhibition (B-): 72174.77 J/kg Cap Strength: 15.93 C Lift Cond Lev (LCL): 785.12 mb = 1998.67 m = 6557.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 44 at 11 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 ---------------------------------------------------------- 0 913 899 0 0 -0.0 -0.0 | 224 11 7.4 7.6 1 850 1421 345 11 2.8 -10.6 | 286 11 10.3 -3.0 2 700 2826 25 19 -8.0 -17.2 | 4 10 -0.6 -9.6 3 500 5150 10 11 -1.9 -10.8 | 300 6 5.5 -3.2 4 400 6610 15 17 -4.4 -16.4 | 341 9 3.0 -8.8 5 337 7709 360 33 -0.0 -33.0 | 344 26 7.4 -25.4 6 300 8450 355 33 2.9 -32.9 | 338 27 10.3 -25.3 7 250 9610 350 29 5.0 -28.6 | 329 24 12.4 -21.0 8 200 11040 350 31 5.4 -30.5 | 331 26 12.8 -22.9 9 150 12890 330 33 16.5 -28.6 | 311 32 23.9 -21.0 10 100 15490 315 31 21.9 -21.9 | 296 33 29.3 -14.3 11 70 17780 315 29 20.5 -20.5 | 295 31 27.9 -12.9 12 50 19940 290 52 48.9 -17.8 | 280 57 56.3 -10.2 13 30 23260 290 33 31.0 -11.3 | 275 39 38.4 -3.7 14 20 25960 240 54 46.8 27.0 | 237 64 54.2 34.6 Wind Parameters Mean winds (0-6000m): 14.3 at 14.2 knts Storm direction: 44.3 at 10.6 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 114.8 deg Storm rel helicity (0-3000m) pos: 56.8 neg: -7.5 tot: 49.3 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 4.8 stream: 3.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.56 Bulk Shear: 13.01 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 5 254 9| 0.0 10.8 10.8| 22.9 0.0 22.9 45.8 0.90| 11.0 9.8 1000 350 9 276 9| 2.2 5.4 7.6| 34.4 0.0 34.4 34.4 0.92| 7.7 7.1 1500 359 11 293 8| 3.0 3.6 6.6| 46.2 0.0 46.2 30.8 0.94| 6.8 6.3 2000 8 13 311 7| 3.2 2.7 5.9| 56.8 0.0 56.8 28.4 0.95| 6.2 5.9 2500 12 14 322 7| 2.6 2.0 4.6| 56.8 -3.9 52.9 21.1 0.81| 5.4 4.3 3000 14 14 326 7| 2.1 1.6 3.8| 56.8 -7.5 49.3 16.4 0.69| 4.8 3.3 4000 15 14 327 7| 1.6 1.2 2.8| 56.8 -14.0 42.7 10.7 0.50| 4.1 2.0 5000 14 14 325 7| 1.5 1.0 2.4| 61.7 -15.3 46.4 9.3 0.50| 3.6 1.8 6000 14 14 327 7| 1.4 1.1 2.5| 69.6 -15.3 54.4 9.1 0.49| 3.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251229.12.gif