UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:0000Z 20 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 253 1 925 813 SFC 914 898 -30.7 -34.5 69 3.8 -30.9 0 0 248.8 248.8 248.1 249.4 0.22 3 909 937 -29.5 -33.6 68 4.1 -29.8 358 0 250.4 250.4 249.6 251.1 0.25 4 906 961 -25.1 -29.7 65 4.6 -25.5 358 0 255.2 255.2 254.0 256.2 0.36 5 882 1159 -19.1 -23.2 70 4.1 -19.7 350 0 263.3 263.4 261.2 265.2 0.67 6 850 1434 -19.9 -25.9 59 6.0 -20.7 340 1 265.3 265.4 262.4 266.9 0.54 7 783 2039 -22.7 -30.7 48 8.0 -23.6 344 4 268.6 268.7 264.4 269.7 0.38 8 725 2599 -26.7 -35.7 42 9.0 -27.5 348 8 270.2 270.2 265.3 271.0 0.25 9 700 2851 -27.9 -36.9 42 9.0 -28.6 350 9 271.6 271.6 266.2 272.3 0.23 10 500 5190 -43.9 -48.9 58 5.0 -44.0 255 19 279.5 279.5 271.0 279.8 0.09 11 451 5876 -48.5 -53.3 57 4.8 -48.6 269 22 282.1 282.1 272.5 282.3 0.06 12 400 6660 -52.1 -56.8 57 4.7 -52.2 285 25 287.3 287.3 275.3 287.4 0.04 13 315 8176 -59.5 -64.1 55 4.6 -59.6 277 27 297.3 297.3 280.2 297.4 0.02 14 300 8480 -59.5 -64.1 55 4.6 -59.6 275 27 301.5 301.5 282.0 301.6 0.02 15 287 8757 -61.1 -65.6 55 4.5 -61.2 275 27 303.0 303.0 282.6 303.1 0.02 16 269 9161 -61.7 -66.3 54 4.6 -61.7 284 25 307.8 307.8 284.5 307.9 0.02 17 250 9620 -58.3 -63.2 53 4.9 -58.4 295 23 319.4 319.4 288.6 319.5 0.03 18 223 10342 -54.9 -59.7 55 4.8 -55.0 290 23 335.2 335.2 293.2 335.5 0.05 19 208 10788 -53.1 -58.1 54 5.0 -53.2 287 23 344.8 344.8 295.6 345.1 0.07 20 200 11040 -53.1 -59.1 48 6.0 -53.3 285 23 348.7 348.7 296.4 349.0 0.07 21 150 12900 -52.1 -60.1 38 8.0 -52.4 280 23 380.3 380.3 302.3 380.7 0.08 22 100 15520 -52.5 -64.5 22 12.0 -53.1 270 27 426.3 426.3 308.4 426.6 0.07 23 83 16721 -53.1 -67.1 17 14.0 -53.8 273 30 448.4 448.4 310.7 448.7 0.06 24 70 17820 -52.5 -67.5 15 15.0 -53.4 275 33 472.1 472.1 312.8 472.4 0.06 25 50 20000 -51.3 -68.3 11 17.0 -52.7 285 31 522.6 522.6 316.5 523.1 0.08 26 49 20131 -50.9 -67.9 12 17.0 -52.3 284 31 526.6 526.6 316.8 527.1 0.08 27 36 22121 -53.7 -71.7 9 18.0 -55.1 272 27 567.8 567.9 319.0 568.3 0.07 28 30 23300 -50.1 -69.1 9 19.0 -52.4 265 25 608.1 608.1 321.0 608.9 0.12 29 23 25038 -50.9 -70.9 8 20.0 -53.6 252 15 653.7 653.8 322.9 654.7 0.12 30 20 25960 -46.3 -68.3 6 22.0 -50.7 245 9 694.5 694.5 324.3 696.1 0.19 31 19 26300 -46.5 -68.5 6 22.0 -51.0 242 10 704.1 704.2 324.6 705.8 0.20 32 17 27045 -42.5 -64.5 7 22.0 -48.7 236 13 739.7 739.9 325.7 743.2 0.39 33 15 27887 -44.1 -67.1 6 23.0 -50.2 228 16 761.3 761.5 326.3 764.2 0.31 34 13 28854 -40.5 -64.5 6 24.0 -48.7 220 20 805.6 805.8 327.5 810.7 0.50 35 10 30640 -40.9 -66.9 4 26.0 -50.1 205 27 866.9 867.1 328.8 872.0 0.47 36 9.2 31210 -38.5 -64.5 5 26.0 -49.3 897.0 897.4 329.5 905.0 0.71 TRP 287 8757 -61.1 -65.6 55 4.5 -61.2 275 27 303.0 303.0 282.6 303.1 0.02 WND Sounding variables and indices 1000-500 mb thick: 4937.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 51.18 % Est. max temperature: -10.87 C = 12.44 F Sfc-Lift cond lev (LCL): 856.84 mb = 1374.33 m = 4508.90 ft T: -19.73 C 700-500 lapse rate: 6.84 C/km ThetaE index: 0.00 C Layer 914.0--2648116578746368.0 mb Conv cond level (CCL): 914.00 mb = 898.13 m = 2946.59 ft Mean mixing ratio: 0.52 g/kg Conv temperature: -25.65 C = -14.16 F Cap Strength: 7.32 C Lifted Index: 12.59 C Risk: None Lifted Index @300 mb: 26.38 C Lifted Index @700 mb: 7.32 C Showalter Index: 10.51 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 18.00 C K Index: -10.90 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 2.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.35 J/kg Max Up Vert Vel: 10.62 m/s Conv Inhibition (B-): 74304.77 J/kg Cap Strength: 12.52 C Lift Cond Lev (LCL): 793.25 mb = 1943.19 m = 6375.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 10 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 ---------------------------------------------------------- 0 914 898 0 0 -0.0 -0.0 | 133 10 -7.4 6.8 1 850 1434 340 1 0.3 -0.9 | 130 9 -7.0 5.8 2 700 2851 350 9 1.6 -8.9 | 70 6 -5.8 -2.1 3 500 5190 255 19 18.4 4.9 | 223 16 11.0 11.7 4 400 6660 285 25 24.1 -6.5 | 269 17 16.8 0.3 5 300 8480 275 27 26.9 -2.4 | 257 20 19.5 4.4 6 287 8757 275 27 26.9 -2.4 | 257 20 19.5 4.4 7 250 9620 295 23 20.8 -9.7 | 282 14 13.5 -3.0 8 200 11040 285 23 22.2 -6.0 | 267 15 14.9 0.8 9 150 12900 280 23 22.7 -4.0 | 260 16 15.3 2.8 10 100 15520 270 27 27.0 -0.0 | 251 21 19.6 6.8 11 70 17820 275 33 32.9 -2.9 | 261 26 25.5 3.9 12 50 20000 285 31 29.9 -8.0 | 273 23 22.6 -1.3 13 30 23300 265 25 24.9 2.2 | 243 20 17.5 8.9 14 20 25960 245 9 8.2 3.8 | 184 11 0.8 10.6 15 10 30640 205 27 11.4 24.5 | 187 31 4.0 31.2 Wind Parameters Mean winds (0-6000m): 282.6 at 13.3 knts Storm direction: 312.6 at 10.0 knts Shear (0-3000m) pos: 1.4 neg: 1.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 160.7 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -20.5 tot: -20.5 m^2/s^2 ave: -6.8 10^-3 m/s^2 rel: -0.83 Storm rel vorticity (0-3000m) horiz: 3.2 stream: -2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.49 Bulk Shear: 22.67 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 ------------------------------------------------------------------------------- 500 340 0 131 10| 0.0 1.0 1.0| 0.0 -1.2 -1.2 -2.4 -0.50| 1.0 -0.5 1000 342 1 128 9| 1.4 0.5 1.9| 0.0 -4.8 -4.8 -4.8 -0.60| 1.9 -1.1 1500 345 3 123 8| 1.9 0.3 2.2| 0.0 -9.1 -9.1 -6.1 -0.73| 2.2 -1.6 2000 349 4 114 7| 2.1 0.2 2.4| 0.0 -13.5 -13.5 -6.7 -0.80| 2.4 -1.9 2500 344 5 107 6| 1.7 1.0 2.7| 0.0 -17.1 -17.1 -6.8 -0.79| 2.8 -2.2 3000 334 6 103 5| 1.4 1.6 3.0| 0.0 -20.5 -20.5 -6.8 -0.83| 3.2 -2.6 4000 306 9 172 2| 1.1 2.4 3.4| 0.0 -36.0 -36.0 -9.0 -0.74| 3.9 -2.9 5000 284 11 219 5| 1.3 2.2 3.5| 24.8 -45.5 -20.6 -4.1 -0.48| 4.1 -2.0 6000 283 13 236 7| 1.6 1.8 3.5| 55.0 -47.3 7.8 1.3 -0.26| 4.1 -1.1 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251220.00.gif