UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121312.upa.cvt Date: 1200Z 13 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 13 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 184 1 925 745 SFC 906 893 -30.3 -34.7 65 4.4 -30.6 0 0 249.8 249.8 249.0 250.4 0.22 3 902 925 -28.9 -33.3 66 4.4 -29.2 353 0 251.6 251.6 250.6 252.3 0.26 4 896 973 -21.7 -25.0 75 3.3 -22.1 343 1 259.5 259.6 257.9 261.0 0.56 5 878 1124 -18.7 -21.6 78 2.9 -19.1 311 2 264.1 264.2 261.9 266.3 0.77 6 850 1367 -17.5 -20.2 79 2.7 -18.0 260 5 267.8 268.0 264.9 270.4 0.90 7 835 1500 -17.9 -21.0 77 3.1 -18.4 265 6 268.8 268.9 265.5 271.2 0.86 8 700 2799 -25.1 -30.1 63 5.0 -25.7 310 21 274.7 274.8 268.7 276.0 0.45 9 692 2882 -25.7 -30.7 63 5.0 -26.3 310 22 274.9 275.0 268.8 276.2 0.43 10 581 4141 -29.3 -33.4 68 4.1 -29.7 310 30 284.8 284.9 274.6 286.1 0.39 11 510 5062 -34.5 -38.0 70 3.5 -34.8 310 37 289.3 289.4 276.8 290.3 0.28 12 500 5200 -35.3 -39.0 69 3.7 -35.6 310 38 290.0 290.0 277.1 290.9 0.26 13 497 5242 -35.3 -39.1 68 3.8 -35.6 310 38 290.5 290.5 277.3 291.4 0.26 14 400 6720 -45.7 -53.7 40 8.0 -45.9 310 48 295.6 295.6 279.4 295.8 0.06 15 375 7146 -48.7 -56.7 39 8.0 -48.9 309 51 297.1 297.1 280.1 297.3 0.05 16 354 7521 -51.3 -59.3 38 8.0 -51.4 308 53 298.6 298.6 280.8 298.7 0.04 17 300 8580 -56.7 -63.7 41 7.0 -56.8 305 60 305.4 305.4 283.6 305.5 0.02 18 260 9477 -60.9 -67.9 39 7.0 -61.0 305 66 312.0 312.0 286.1 312.0 0.02 19 250 9720 -62.1 -69.1 39 7.0 -62.1 305 66 313.7 313.7 286.6 313.8 0.01 20 242 9921 -62.5 -68.5 44 6.0 -62.6 306 65 316.1 316.1 287.5 316.1 0.02 21 200 11100 -61.9 -67.9 45 6.0 -62.0 310 62 334.7 334.7 293.0 334.8 0.02 22 150 12900 -57.5 -64.5 41 7.0 -57.6 305 50 371.0 371.0 300.8 371.2 0.04 23 144 13158 -57.5 -64.5 41 7.0 -57.7 304 49 375.4 375.4 301.5 375.6 0.05 24 100 15440 -61.5 -69.5 34 8.0 -61.7 300 40 408.9 408.9 306.4 409.1 0.03 25 70 17660 -61.9 -71.9 25 10.0 -62.1 295 40 452.0 452.0 311.1 452.1 0.03 26 50 19730 -61.7 -72.7 22 11.0 -62.1 275 35 498.1 498.1 314.8 498.3 0.04 27 45 20383 -61.3 -72.3 22 11.0 -61.7 514.3 514.3 315.9 514.6 0.05 28 39 21266 -63.7 -74.7 21 11.0 -64.1 529.7 529.7 316.9 530.0 0.04 29 35 21938 -58.9 -70.9 20 12.0 -59.6 558.9 558.9 318.6 559.4 0.08 30 32 22502 -57.5 -69.5 20 12.0 -58.4 577.1 577.2 319.6 577.9 0.10 TRP 250 9720 -62.1 -69.1 39 7.0 -62.1 305 66 313.7 313.7 286.6 313.8 0.01 WND 260 9477 -60.9 -67.9 39 7.0 -61.0 305 66 312.0 312.0 286.1 312.0 0.02 Sounding variables and indices 1000-500 mb thick: 5016.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 69.07 % Est. max temperature: -8.61 C = 16.50 F Sfc-Lift cond lev (LCL): 840.74 mb = 1448.87 m = 4753.45 ft T: -17.75 C 700-500 lapse rate: 4.25 C/km ThetaE index: 0.00 C Layer 906.0-7490422784.0 mb Conv cond level (CCL): 906.00 mb = 893.10 m = 2930.10 ft Mean mixing ratio: 0.76 g/kg Conv temperature: -21.48 C = -6.66 F Cap Strength: 18.10 C Lifted Index: 18.53 C Risk: None Lifted Index @300 mb: 26.83 C Lifted Index @700 mb: 7.37 C Showalter Index: 16.30 C Risk: None Total Totals Index: 32.90 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 15.10 C K Index: -7.40 Risk: None Sweat Index: 48.00 Risk: None Energy Index: 4.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.46 J/kg Max Up Vert Vel: 10.72 m/s Conv Inhibition (B-): 43325.44 J/kg Cap Strength: 18.23 C Lift Cond Lev (LCL): 816.47 mb = 1665.36 m = 5463.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 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 ---------------------------------------------------------- 0 906 893 0 0 -0.0 -0.0 | 159 21 -7.5 19.4 1 850 1367 260 5 4.9 0.9 | 173 20 -2.6 20.3 2 700 2799 310 21 16.1 -13.5 | 235 10 8.5 5.9 3 500 5200 310 38 29.1 -24.4 | 283 22 21.6 -5.0 4 400 6720 310 48 36.8 -30.9 | 291 31 29.2 -11.4 5 300 8580 305 60 49.1 -34.4 | 290 44 41.6 -15.0 6 260 9477 305 66 54.1 -37.9 | 292 50 46.5 -18.5 7 250 9720 305 66 54.1 -37.9 | 292 50 46.5 -18.5 8 200 11100 310 62 47.5 -39.9 | 297 45 40.0 -20.4 9 150 12900 305 50 41.0 -28.7 | 286 35 33.4 -9.3 10 100 15440 300 40 34.6 -20.0 | 271 27 27.1 -0.6 11 70 17660 295 40 36.3 -16.9 | 265 29 28.7 2.5 12 50 19730 275 35 34.9 -3.1 | 239 32 27.3 16.4 Wind Parameters Mean winds (0-6000m): 308.8 at 27.8 knts Storm direction: 338.8 at 20.8 knts Shear (0-3000m) pos: 3.2 neg: 1.9 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 107.6 deg Storm rel helicity (0-3000m) pos: 116.3 neg: -0.0 tot: 116.3 m^2/s^2 ave: 38.8 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 4.8 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.64 Bulk Shear: 90.12 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 ------------------------------------------------------------------------------- 500 260 3 166 20| 0.0 5.4 5.4| 24.9 -0.0 24.9 49.8 0.70| 7.2 5.1 1000 270 5 173 20| 3.1 2.7 5.8| 53.9 -0.0 53.9 53.9 0.81| 6.7 5.4 1500 285 8 181 17| 4.3 1.8 6.1| 78.9 -0.0 78.8 52.6 0.82| 6.9 5.6 2000 300 11 188 14| 4.8 1.4 6.2| 97.6 -0.0 97.5 48.8 0.82| 7.0 5.7 2500 303 13 196 13| 3.8 1.7 5.5|106.9 -0.0 106.9 42.8 0.83| 6.3 5.2 3000 305 15 206 12| 3.2 1.9 5.1|116.3 -0.0 116.3 38.8 0.82| 5.9 4.8 4000 307 20 228 11| 2.4 2.3 4.7|135.1 -0.0 135.1 33.8 0.78| 5.3 4.1 5000 308 24 248 12| 1.9 2.5 4.5|152.9 -0.0 152.9 30.6 0.73| 4.9 3.6 6000 309 28 262 14| 1.6 2.7 4.3|167.3 -0.1 167.2 27.9 0.68| 4.7 3.2 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251213.12.gif