UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123012.upa.cvt Date: 1200Z 30 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 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 1 925 865 0 0 SFC 921 895 -34.1 -37.8 69 3.7 -34.3 0 0 244.7 244.8 244.3 245.2 0.16 3 917 926 -27.3 -30.9 71 3.6 -27.6 359 0 252.0 252.1 251.1 252.9 0.32 4 912 966 -22.1 -25.8 72 3.7 -22.5 359 1 257.8 257.8 256.4 259.2 0.51 5 904 1031 -19.5 -23.2 72 3.7 -20.0 358 2 261.1 261.2 259.4 262.9 0.65 6 861 1392 -21.3 -27.3 58 6.0 -22.0 352 8 262.9 262.9 260.4 264.2 0.47 7 850 1487 -21.1 -28.1 53 7.0 -22.0 350 9 264.0 264.1 261.2 265.3 0.44 8 818 1770 -20.9 -28.9 49 8.0 -21.9 350 10 267.2 267.2 263.5 268.4 0.43 9 768 2233 -24.1 -34.1 39 10.0 -25.1 350 12 268.6 268.6 264.2 269.4 0.28 10 700 2906 -26.1 -38.1 31 12.0 -27.1 350 15 273.6 273.6 267.5 274.2 0.20 11 677 3147 -27.1 -40.1 28 13.0 -28.1 350 18 275.1 275.1 268.4 275.6 0.17 12 640 3553 -26.1 -35.1 43 9.0 -27.0 350 23 280.7 280.7 272.1 281.6 0.30 13 632 3644 -26.3 -35.3 42 9.0 -27.2 350 24 281.5 281.5 272.5 282.4 0.30 14 628 3690 -26.5 -35.5 42 9.0 -27.4 350 24 281.8 281.8 272.7 282.7 0.30 15 500 5300 -37.5 -46.5 39 9.0 -37.9 350 44 287.3 287.3 275.5 287.7 0.12 16 400 6800 -47.9 -54.9 44 7.0 -48.1 350 50 292.7 292.7 278.1 292.9 0.06 17 391 6949 -49.3 -57.3 39 8.0 -49.5 351 52 292.8 292.8 278.1 293.0 0.04 18 323 8182 -55.9 -62.9 41 7.0 -56.0 1 64 300.1 300.1 281.4 300.2 0.03 19 302 8608 -57.3 -64.3 41 7.0 -57.4 5 69 304.0 304.0 283.0 304.1 0.02 20 300 8650 -57.3 -64.3 41 7.0 -57.4 5 69 304.6 304.6 283.2 304.7 0.02 21 273 9245 -57.7 -64.7 40 7.0 -57.8 360 71 312.3 312.3 286.2 312.4 0.02 22 250 9800 -58.1 -65.1 40 7.0 -58.2 5 62 319.7 319.7 288.6 319.8 0.02 23 215 10752 -58.9 -65.9 40 7.0 -59.0 358 50 332.5 332.5 292.4 332.6 0.03 24 200 11210 -56.9 -63.9 41 7.0 -57.1 355 44 342.7 342.7 295.0 342.8 0.04 25 150 13040 -53.9 -61.9 37 8.0 -54.2 335 46 377.2 377.2 301.8 377.5 0.06 26 120 14479 -50.5 -60.5 30 10.0 -51.0 332 45 408.3 408.3 306.3 408.8 0.09 27 100 15660 -52.1 -64.1 22 12.0 -52.7 330 44 427.1 427.1 308.6 427.4 0.07 28 70 17960 -55.1 -69.1 16 14.0 -55.7 315 33 466.5 466.5 312.4 466.8 0.05 29 50 20120 -52.1 -68.1 13 16.0 -53.3 315 38 520.7 520.7 316.4 521.2 0.08 30 43 21097 -51.7 -68.7 11 17.0 -53.2 312 37 544.6 544.7 317.8 545.2 0.09 31 30 23410 -55.7 -73.7 9 18.0 -57.1 305 33 592.8 592.8 320.3 593.2 0.06 32 22 25415 -49.9 -68.9 9 19.0 -52.9 339 19 665.1 665.1 323.3 666.4 0.16 33 20 26040 -49.3 -68.3 9 19.0 -52.7 350 15 685.3 685.4 324.0 686.9 0.19 34 19 26375 -50.7 -69.7 9 19.0 -53.8 691.0 691.1 324.2 692.5 0.17 35 14 28390 -45.1 -66.1 8 21.0 -50.9 773.1 773.3 326.7 776.7 0.38 TRP 302 8608 -57.3 -64.3 41 7.0 -57.4 5 69 304.0 304.0 283.0 304.1 0.02 WND 273 9245 -57.7 -64.7 40 7.0 -57.8 360 71 312.3 312.3 286.2 312.4 0.02 Sounding variables and indices 1000-500 mb thick: 4988.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 42.98 % Est. max temperature: -10.90 C = 12.38 F Sfc-Lift cond lev (LCL): 864.31 mb = 1363.64 m = 4473.82 ft T: -21.16 C 700-500 lapse rate: 4.76 C/km ThetaE index: 0.00 C Layer 921.0- 0.0 mb Conv cond level (CCL): 921.00 mb = 895.35 m = 2937.47 ft Mean mixing ratio: 0.50 g/kg Conv temperature: -26.05 C = -14.90 F Cap Strength: 16.31 C Lifted Index: 19.61 C Risk: None Lifted Index @300 mb: 29.08 C Lifted Index @700 mb: 9.74 C Showalter Index: 18.14 C Risk: None Total Totals Index: 25.80 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 9.40 C K Index: -23.70 Risk: None Sweat Index: 62.00 Risk: None Energy Index: 4.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 36.99 J/kg Max Up Vert Vel: 8.60 m/s Conv Inhibition (B-): 71070.95 J/kg Cap Strength: 19.46 C Lift Cond Lev (LCL): 795.11 mb = 1978.39 m = 6490.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 20 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 ---------------------------------------------------------- 0 921 895 0 0 -0.0 -0.0 | 200 21 7.2 19.8 1 850 1487 350 9 1.6 -8.9 | 219 14 8.8 10.9 2 700 2906 350 15 2.6 -14.8 | 243 11 9.8 5.0 3 500 5300 350 44 7.6 -43.3 | 328 28 14.8 -23.6 4 400 6800 350 50 8.7 -49.2 | 332 33 15.9 -29.5 5 302 8608 5 69 -6.0 -68.7 | 359 49 1.2 -49.0 6 300 8650 5 69 -6.0 -68.7 | 359 49 1.2 -49.0 7 273 9245 360 71 -0.0 -71.0 | 352 52 7.2 -51.2 8 250 9800 5 62 -5.4 -61.8 | 358 42 1.8 -42.0 9 200 11210 355 44 3.8 -43.8 | 335 26 11.0 -24.1 10 150 13040 335 46 19.4 -41.7 | 309 34 26.6 -21.9 11 100 15660 330 44 22.0 -38.1 | 302 34 29.2 -18.3 12 70 17960 315 33 23.3 -23.3 | 277 31 30.5 -3.6 13 50 20120 315 38 26.9 -26.9 | 282 35 34.1 -7.1 14 30 23410 305 33 27.0 -18.9 | 269 34 34.2 0.8 15 20 26040 350 15 2.6 -14.8 | 243 11 9.8 5.0 Wind Parameters Mean winds (0-6000m): 350.0 at 28.1 knts Storm direction: 20.0 at 21.0 knts Shear (0-3000m) pos: 0.0 neg: 4.6 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 99.8 deg Storm rel helicity (0-3000m) pos: 73.9 neg: 0.0 tot: 73.9 m^2/s^2 ave: 24.6 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.47 Bulk Shear: 77.99 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 ------------------------------------------------------------------------------- 500 350 4 206 18| 0.0 7.8 7.8| 19.5 0.0 19.5 38.9 0.56| 7.9 4.4 1000 350 7 212 16| 0.0 5.5 5.5| 28.7 0.0 28.7 28.7 0.63| 5.5 3.5 1500 350 8 217 14| 0.0 4.4 4.4| 34.5 0.0 34.5 23.0 0.66| 4.4 2.9 2000 350 10 221 13| 0.0 3.8 3.8| 40.4 0.0 40.4 20.2 0.70| 3.9 2.7 2500 350 11 227 13| 0.0 4.3 4.3| 57.1 0.0 57.1 22.8 0.78| 4.3 3.4 3000 350 13 235 12| 0.0 4.6 4.6| 73.9 0.0 73.9 24.6 0.80| 4.6 3.7 4000 350 18 261 11| 0.0 5.0 5.0|107.7 0.0 107.7 26.9 0.74| 5.0 3.7 5000 350 24 287 12| 0.0 4.8 4.8|127.9 0.0 127.9 25.6 0.68| 4.8 3.3 6000 350 28 303 14| 0.2 4.1 4.4|146.7 0.0 146.7 24.5 0.66| 4.4 2.9 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251230.12.gif