UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 9 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 1 925 798 SFC 912 897 -34.5 -39.5 60 5.0 -34.7 0 0 245.0 245.0 244.5 245.4 0.14 3 908 928 -33.3 -39.3 55 6.0 -33.6 359 1 246.6 246.6 245.9 247.0 0.14 4 897 1015 -25.5 -30.5 63 5.0 -25.9 356 2 255.5 255.5 254.1 256.4 0.34 5 850 1405 -27.9 -33.9 56 6.0 -28.3 345 9 256.9 257.0 255.2 257.7 0.26 6 753 2267 -32.1 -39.1 50 7.0 -32.5 342 8 261.4 261.5 258.6 261.9 0.17 7 700 2778 -35.9 -43.9 44 8.0 -36.2 340 7 262.7 262.7 259.5 263.1 0.11 8 661 3174 -38.9 -45.9 48 7.0 -39.2 336 12 263.7 263.7 260.2 264.0 0.09 9 650 3290 -38.3 -45.3 48 7.0 -38.6 334 13 265.6 265.7 261.7 266.0 0.10 10 635 3450 -39.7 -46.7 47 7.0 -39.9 333 15 265.8 265.8 261.8 266.1 0.09 11 541 4545 -40.5 -47.5 47 7.0 -40.8 321 28 277.3 277.4 269.7 277.7 0.10 12 500 5080 -42.3 -49.3 46 7.0 -42.5 315 35 281.5 281.5 272.2 281.8 0.09 13 497 5121 -42.3 -49.3 46 7.0 -42.5 315 35 281.9 282.0 272.5 282.2 0.09 14 436 5995 -48.1 -56.1 39 8.0 -48.3 312 35 285.4 285.4 274.3 285.5 0.04 15 400 6560 -50.1 -58.1 38 8.0 -50.3 310 35 289.9 289.9 276.7 290.0 0.04 16 388 6758 -51.3 -59.3 38 8.0 -51.4 309 35 290.8 290.8 277.2 291.0 0.03 17 359 7262 -51.7 -59.7 38 8.0 -51.8 308 35 296.8 296.8 280.0 297.0 0.03 18 306 8285 -57.1 -65.1 36 8.0 -57.2 305 35 303.1 303.1 282.7 303.2 0.02 19 300 8410 -56.9 -64.9 36 8.0 -57.0 305 36 305.1 305.1 283.5 305.2 0.02 20 285 8734 -57.5 -65.5 35 8.0 -57.6 302 38 308.8 308.8 284.9 308.9 0.02 21 251 9544 -53.3 -62.3 33 9.0 -53.5 295 44 326.5 326.5 290.7 326.6 0.03 22 250 9570 -53.5 -62.5 33 9.0 -53.7 295 44 326.5 326.5 290.7 326.7 0.03 23 200 11000 -54.1 -64.1 28 10.0 -54.3 285 40 347.1 347.1 296.0 347.2 0.03 24 150 12840 -52.5 -64.5 22 12.0 -52.9 285 40 379.6 379.6 302.2 379.8 0.04 25 100 15450 -54.9 -68.9 16 14.0 -55.4 280 52 421.7 421.7 307.9 421.8 0.04 TRP 306 8285 -57.1 -65.1 36 8.0 -57.2 305 35 303.1 303.1 282.7 303.2 0.02 WND Sounding variables and indices 1000-500 mb thick: 4833.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.03 inches Sfc-500 mean rel hum: 49.55 % Est. max temperature: -18.95 C = -2.12 F Sfc-Lift cond lev (LCL): 836.71 mb = 1517.10 m = 4977.30 ft T: -28.45 C 700-500 lapse rate: 2.78 C/km ThetaE index: 0.00 C Layer 912.0-77061766818325623606345728.0 mb Conv cond level (CCL): 912.00 mb = 897.24 m = 2943.66 ft Mean mixing ratio: 0.26 g/kg Conv temperature: -32.95 C = -27.32 F Cap Strength: 17.43 C Lifted Index: 20.43 C Risk: None Lifted Index @300 mb: 34.37 C Lifted Index @700 mb: 5.89 C Showalter Index: 19.56 C Risk: None Total Totals Index: 22.80 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 8.40 C K Index: -27.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 5.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.01 J/kg Max Up Vert Vel: 7.62 m/s Conv Inhibition (B-): 24330.75 J/kg Cap Strength: 20.14 C Lift Cond Lev (LCL): 783.83 mb = 1981.71 m = 6501.59 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 348 at 16 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 ---------------------------------------------------------- 0 912 897 0 0 -0.0 -0.0 | 168 16 -3.3 15.5 1 850 1405 345 9 2.3 -8.7 | 171 7 -1.0 6.8 2 700 2778 340 7 2.4 -6.6 | 174 9 -1.0 8.9 3 500 5080 315 35 24.7 -24.7 | 293 23 21.4 -9.3 4 400 6560 310 35 26.8 -22.5 | 287 24 23.5 -7.0 5 306 8285 305 35 28.7 -20.1 | 280 26 25.3 -4.6 6 300 8410 305 36 29.5 -20.6 | 281 27 26.1 -5.2 7 250 9570 295 44 39.9 -18.6 | 275 37 36.5 -3.1 8 200 11000 285 40 38.6 -10.4 | 262 36 35.3 5.1 9 150 12840 285 40 38.6 -10.4 | 262 36 35.3 5.1 10 100 15450 280 52 51.2 -9.0 | 262 48 47.9 6.4 Wind Parameters Mean winds (0-6000m): 317.8 at 21.1 knts Storm direction: 347.8 at 15.8 knts Shear (0-3000m) pos: 0.0 neg: 3.5 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 116.7 deg Storm rel helicity (0-3000m) pos: 16.4 neg: -1.7 tot: 14.7 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.73 Bulk Shear: 39.56 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 4 169 11| 0.0 9.1 9.1| 1.7 -1.7 -0.0 -0.1 0.03| 9.2 0.3 1000 344 6 170 9| 0.0 4.3 4.3| 2.1 -1.7 0.4 0.4 0.05| 5.0 0.3 1500 344 7 171 9| 0.0 2.6 2.6| 2.3 -1.7 0.6 0.4 0.06| 3.6 0.2 2000 343 7 172 9| 0.0 2.2 2.2| 3.7 -1.7 2.0 1.0 0.10| 3.2 0.3 2500 341 8 175 8| 0.0 3.0 3.0| 10.0 -1.7 8.3 3.3 0.32| 3.8 1.2 3000 337 10 183 7| 0.0 3.5 3.5| 16.4 -1.7 14.7 4.9 0.43| 4.2 1.8 4000 326 14 229 6| 0.0 4.2 4.2| 21.5 -2.3 19.2 4.8 0.32| 4.9 1.6 5000 321 18 260 8| 0.0 3.6 3.6| 21.5 -13.5 8.0 1.6 0.25| 4.3 1.1 6000 318 21 271 11| 0.0 3.0 3.0| 21.5 -25.1 -3.7 -0.6 0.20| 3.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251209.12.gif