UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122412.upa.cvt Date: 1200Z 24 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 24 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 309 1 925 857 0 0 SFC 920 895 -36.1 -39.7 69 3.6 -36.2 0 0 242.8 242.8 242.3 243.1 0.13 3 918 910 -33.1 -37.1 67 4.0 -33.3 360 0 246.0 246.0 245.5 246.5 0.17 4 915 933 -27.3 -31.6 67 4.3 -27.6 360 1 252.2 252.2 251.3 253.0 0.30 5 908 989 -23.5 -28.0 66 4.5 -24.0 359 2 256.6 256.7 255.3 257.8 0.42 6 850 1470 -26.3 -32.3 57 6.0 -26.8 355 11 258.6 258.6 256.6 259.5 0.30 7 837 1581 -27.1 -34.1 51 7.0 -27.6 356 11 258.9 258.9 256.8 259.6 0.25 8 764 2236 -29.3 -37.3 46 8.0 -29.9 0 14 263.4 263.4 260.2 264.0 0.20 9 749 2377 -29.3 -37.3 46 8.0 -29.9 2 15 264.9 264.9 261.3 265.5 0.21 10 700 2857 -32.5 -40.5 45 8.0 -33.0 5 17 266.5 266.5 262.4 267.0 0.16 11 679 3071 -33.9 -40.9 49 7.0 -34.3 4 19 267.3 267.3 263.0 267.7 0.16 12 561 4395 -38.1 -45.1 48 7.0 -38.4 355 31 277.3 277.3 269.7 277.7 0.12 13 500 5180 -42.1 -50.1 41 8.0 -42.4 350 38 281.7 281.7 272.3 282.0 0.08 14 400 6670 -49.7 -57.7 39 8.0 -49.8 345 50 290.4 290.4 276.9 290.5 0.04 15 399 6686 -49.9 -57.9 38 8.0 -50.1 345 50 290.3 290.4 276.9 290.5 0.04 16 375 7090 -50.3 -58.3 38 8.0 -50.5 345 53 295.0 295.0 279.1 295.2 0.04 17 319 8130 -55.3 -63.3 36 8.0 -55.4 345 62 302.0 302.1 282.3 302.1 0.02 18 300 8520 -55.7 -63.7 36 8.0 -55.8 345 64 306.8 306.8 284.1 306.9 0.02 19 294 8649 -56.0 -64.0 36 8.0 -56.1 345 64 308.2 308.2 284.7 308.3 0.02 20 250 9680 -58.3 -66.3 35 8.0 -58.4 345 62 319.4 319.4 288.6 319.5 0.02 21 241 9910 -58.3 -66.3 35 8.0 -58.4 345 61 322.8 322.8 289.6 322.8 0.02 22 200 11090 -55.5 -63.5 36 8.0 -55.6 345 56 344.9 344.9 295.5 345.0 0.04 23 150 12920 -55.5 -65.5 28 10.0 -55.8 335 52 374.5 374.5 301.4 374.6 0.04 24 147 13049 -55.3 -65.3 28 10.0 -55.6 335 51 377.0 377.0 301.8 377.2 0.04 25 100 15500 -57.1 -69.1 20 12.0 -57.5 325 38 417.4 417.4 307.4 417.6 0.03 26 91 16093 -58.7 -70.7 20 12.0 -59.0 320 38 425.6 425.6 308.4 425.8 0.03 27 70 17740 -57.9 -71.9 15 14.0 -58.3 305 38 460.5 460.5 311.8 460.7 0.03 28 55 19266 -56.7 -70.7 16 14.0 -57.3 294 34 496.2 496.2 314.7 496.5 0.05 29 50 19870 -57.3 -72.3 13 15.0 -58.0 290 33 508.4 508.5 315.5 508.7 0.04 30 41 21120 -58.7 -73.7 13 15.0 -59.4 284 39 534.7 534.7 317.2 534.9 0.04 31 38 21600 -55.5 -71.5 12 16.0 -56.6 282 41 554.5 554.6 318.3 555.0 0.06 32 30 23110 -54.5 -71.5 11 17.0 -56.0 275 48 596.1 596.1 320.5 596.7 0.08 33 25 24281 -53.7 -70.7 11 17.0 -55.6 271 45 630.3 630.3 321.9 631.1 0.11 34 22 25118 -45.7 -64.7 10 19.0 -49.8 267 43 677.6 677.7 323.7 680.0 0.29 35 21 25427 -47.7 -65.7 11 18.0 -51.3 266 43 680.6 680.7 323.9 682.9 0.27 36 20 25750 -46.1 -65.1 10 19.0 -50.4 265 42 695.1 695.2 324.4 697.7 0.30 37 18 26452 -45.3 -64.3 10 19.0 -50.1 718.9 719.0 325.1 722.2 0.37 38 15 27654 -50.7 -69.7 9 19.0 -54.4 739.4 739.5 325.7 741.3 0.21 39 13 28605 -41.9 -62.9 8 21.0 -49.2 800.7 801.0 327.4 807.0 0.62 40 11 29725 -46.5 -67.5 7 21.0 -52.6 823.2 823.4 327.9 827.3 0.40 TRP 319 8130 -55.3 -63.3 36 8.0 -55.4 345 62 302.0 302.1 282.3 302.1 0.02 WND 294 8649 -56.0 -64.0 36 8.0 -56.1 345 64 308.2 308.2 284.7 308.3 0.02 Sounding variables and indices 1000-500 mb thick: 4871.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.04 inches Sfc-500 mean rel hum: 49.26 % Est. max temperature: -16.37 C = 2.54 F Sfc-Lift cond lev (LCL): 864.52 mb = 1346.60 m = 4417.92 ft T: -25.58 C 700-500 lapse rate: 4.13 C/km Conv cond level (CCL): 920.00 mb = 894.71 m = 2935.37 ft Mean mixing ratio: 0.32 g/kg Conv temperature: -30.72 C = -23.29 F Cap Strength: 16.23 C Lifted Index: 19.26 C Risk: None Lifted Index @300 mb: 34.40 C Lifted Index @700 mb: 7.85 C Showalter Index: 18.29 C Risk: None Total Totals Index: 25.60 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 9.80 C K Index: -24.50 Risk: None Sweat Index: 60.00 Risk: None Energy Index: 4.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.95 J/kg Max Up Vert Vel: 6.63 m/s Conv Inhibition (B-): 73696.43 J/kg Cap Strength: 19.06 C Lift Cond Lev (LCL): 793.55 mb = 1963.44 m = 6441.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 22 at 21 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 ---------------------------------------------------------- 0 920 895 0 0 -0.0 -0.0 | 202 21 7.6 19.2 1 850 1470 355 11 1.0 -11.0 | 226 12 8.6 8.3 2 700 2857 5 17 -1.5 -16.9 | 250 7 6.1 2.3 3 500 5180 350 38 6.6 -37.4 | 322 23 14.2 -18.2 4 400 6670 345 50 12.9 -48.3 | 325 36 20.6 -29.1 5 319 8130 345 62 16.0 -59.9 | 330 47 23.7 -40.7 6 300 8520 345 64 16.6 -61.8 | 330 49 24.2 -42.6 7 294 8649 345 64 16.6 -61.8 | 330 49 24.2 -42.6 8 250 9680 345 62 16.0 -59.9 | 330 47 23.7 -40.7 9 200 11090 345 56 14.5 -54.1 | 328 41 22.1 -34.9 10 150 12920 335 52 22.0 -47.1 | 313 41 29.6 -27.9 11 100 15500 325 38 21.8 -31.1 | 292 32 29.4 -11.9 12 70 17740 305 38 31.1 -21.8 | 274 39 38.7 -2.6 13 50 19870 290 33 31.0 -11.3 | 258 39 38.6 7.9 14 30 23110 275 48 47.8 -4.2 | 255 57 55.4 15.0 15 20 25750 265 42 41.8 3.7 | 245 54 49.5 22.9 Wind Parameters Mean winds (0-6000m): 351.6 at 27.6 knts Storm direction: 21.6 at 20.7 knts Shear (0-3000m) pos: 1.4 neg: 3.2 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 108.8 deg Storm rel helicity (0-3000m) pos: 50.7 neg: 0.0 tot: 50.7 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 68.95 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 ------------------------------------------------------------------------------- 500 355 5 209 17| 0.0 9.8 9.8| 22.3 0.0 22.3 44.6 0.55| 9.8 5.4 1000 356 8 216 14| 1.7 4.9 6.6| 29.2 0.0 29.2 29.2 0.58| 6.7 3.8 1500 358 10 221 12| 1.9 3.3 5.2| 32.3 0.0 32.3 21.6 0.57| 5.2 3.0 2000 0 12 225 11| 2.1 2.5 4.5| 35.5 0.0 35.5 17.7 0.58| 4.6 2.7 2500 1 13 230 10| 1.7 2.9 4.6| 43.3 0.0 43.3 17.3 0.66| 4.6 3.1 3000 1 15 240 9| 1.4 3.2 4.6| 50.7 0.0 50.7 16.9 0.66| 4.7 3.1 4000 357 19 269 9| 1.0 3.6 4.7| 61.1 0.0 61.1 15.3 0.56| 4.7 2.7 5000 354 23 291 11| 0.8 3.8 4.6| 68.8 0.0 68.8 13.8 0.48| 4.7 2.2 6000 352 28 305 14| 0.7 3.9 4.6| 77.6 0.0 77.6 12.9 0.42| 4.6 2.0 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251224.12.gif