UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121212.upa.cvt Date: 1200Z 12 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 12 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 194 1 925 789 SFC 912 896 -15.7 -21.7 60 6.0 -16.7 0 0 264.3 264.4 262.0 266.4 0.74 3 898 1013 -14.3 -21.3 55 7.0 -15.6 344 3 266.9 267.1 264.0 269.1 0.78 4 850 1427 -18.3 -26.3 49 8.0 -19.4 285 15 267.0 267.1 263.6 268.5 0.52 5 820 1694 -20.7 -28.7 49 8.0 -21.7 290 17 267.2 267.3 263.6 268.5 0.44 6 818 1712 -20.5 -28.5 49 8.0 -21.5 290 17 267.6 267.7 263.9 268.9 0.45 7 700 2852 -25.9 -32.9 52 7.0 -26.6 310 27 273.8 273.9 267.9 274.8 0.34 8 649 3396 -28.9 -34.9 56 6.0 -29.5 306 29 276.4 276.4 269.5 277.3 0.30 9 532 4805 -32.5 -37.5 61 5.0 -32.9 294 34 288.3 288.3 276.2 289.2 0.29 10 500 5240 -34.9 -39.7 62 4.8 -35.3 290 35 290.5 290.5 277.3 291.3 0.24 11 400 6770 -43.5 -48.2 60 4.7 -43.7 295 50 298.5 298.5 280.8 298.9 0.12 12 389 6957 -44.7 -49.3 60 4.6 -44.9 294 50 299.3 299.3 281.2 299.7 0.11 13 300 8650 -57.5 -62.1 56 4.6 -57.6 285 54 304.3 304.3 283.1 304.4 0.03 14 281 9060 -60.6 -65.0 56 4.4 -60.7 285 62 305.6 305.6 283.7 305.6 0.02 15 277 9149 -61.3 -65.6 57 4.3 -61.3 285 62 305.8 305.8 283.8 305.9 0.02 16 252 9731 -63.9 -68.4 54 4.5 -63.9 285 60 310.4 310.4 285.5 310.4 0.02 17 250 9780 -63.7 -68.3 53 4.6 -63.7 285 60 311.4 311.4 285.8 311.4 0.02 18 200 11140 -65.1 -69.5 54 4.4 -65.1 300 56 329.7 329.7 291.6 329.7 0.02 19 197 11232 -65.1 -69.5 54 4.4 -65.1 299 55 331.1 331.1 292.0 331.2 0.02 20 185 11615 -64.5 -69.0 54 4.5 -64.6 296 51 338.1 338.1 293.9 338.2 0.02 21 174 11992 -61.7 -66.3 54 4.6 -61.8 293 47 348.7 348.7 296.4 348.8 0.03 22 156 12667 -62.3 -67.0 53 4.7 -62.4 287 40 358.7 358.7 298.5 358.8 0.03 23 150 12910 -61.5 -66.1 54 4.6 -61.6 285 38 364.1 364.1 299.5 364.3 0.04 24 137 13476 -60.1 -64.8 54 4.7 -60.2 287 38 376.2 376.2 301.6 376.4 0.05 25 128 13898 -63.7 -68.6 51 4.9 -63.8 289 38 377.1 377.1 301.8 377.2 0.03 26 111 14774 -64.3 -69.3 50 5.0 -64.4 292 38 391.6 391.6 304.0 391.8 0.03 27 100 15420 -60.5 -65.5 52 5.0 -60.6 295 38 410.8 410.8 306.6 411.1 0.06 28 79 16864 -67.1 -73.1 42 6.0 -67.2 282 42 425.8 425.9 308.4 426.0 0.02 29 70 17600 -63.7 -69.7 44 6.0 -63.8 275 44 448.1 448.1 310.7 448.4 0.05 30 61 18446 -62.5 -68.5 44 6.0 -62.7 275 41 468.8 468.8 312.5 469.1 0.06 31 50 19670 -63.1 -70.1 38 7.0 -63.3 275 36 494.8 494.8 314.6 495.2 0.06 32 45 20315 -65.5 -72.5 37 7.0 -65.7 504.1 504.1 315.2 504.4 0.05 33 30 22817 -59.3 -68.3 30 9.0 -60.0 583.0 583.0 319.9 583.9 0.13 TRP 252 9731 -63.9 -68.4 54 4.5 -63.9 285 60 310.4 310.4 285.5 310.4 0.02 WND 281 9060 -60.6 -65.0 56 4.4 -60.7 285 62 305.6 305.6 283.7 305.6 0.02 Sounding variables and indices 1000-500 mb thick: 5046.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 54.94 % Est. max temperature: -9.76 C = 14.42 F Sfc-Lift cond lev (LCL): 826.87 mb = 1631.87 m = 5353.83 ft T: -20.14 C 700-500 lapse rate: 3.77 C/km ThetaE index: 0.67 C Layer 850.0- 818.0 mb Conv cond level (CCL): 672.51 mb = 3139.96 m = 10301.58 ft Mean mixing ratio: 0.59 g/kg Conv temperature: -5.13 C = 22.77 F Cap Strength: 16.64 C Lifted Index: 18.11 C Risk: None Lifted Index @300 mb: 25.33 C Lifted Index @700 mb: 5.72 C Showalter Index: 18.17 C Risk: None Total Totals Index: 25.20 C Risk: None Vertical Totals Index: 16.60 C Cross Totals Index: 8.60 C K Index: -16.70 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 4.74 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.41 J/kg Max Up Vert Vel: 3.29 m/s Conv Inhibition (B-): 43424.67 J/kg Cap Strength: 17.96 C Lift Cond Lev (LCL): 763.35 mb = 2217.99 m = 7276.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 23 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 ---------------------------------------------------------- 0 912 896 0 0 -0.0 -0.0 | 146 23 -12.5 18.9 1 850 1427 285 15 14.5 -3.9 | 188 15 2.0 15.0 2 700 2852 310 27 20.7 -17.4 | 260 8 8.2 1.5 3 500 5240 290 35 32.9 -12.0 | 251 22 20.4 6.9 4 400 6770 295 50 45.3 -21.1 | 274 33 32.8 -2.3 5 300 8650 285 54 52.2 -14.0 | 263 40 39.7 4.9 6 281 9060 285 62 59.9 -16.0 | 267 47 47.4 2.8 7 252 9731 285 60 58.0 -15.5 | 266 46 45.5 3.3 8 250 9780 285 60 58.0 -15.5 | 266 46 45.5 3.3 9 200 11140 300 56 48.5 -28.0 | 284 37 36.0 -9.1 10 150 12910 285 38 36.7 -9.8 | 250 26 24.2 9.0 11 100 15420 295 38 34.4 -16.1 | 263 22 22.0 2.8 12 70 17600 275 44 43.8 -3.8 | 244 35 31.3 15.0 13 50 19670 275 36 35.9 -3.1 | 236 28 23.4 15.7 Wind Parameters Mean winds (0-6000m): 296.5 at 30.2 knts Storm direction: 326.5 at 22.6 knts Shear (0-3000m) pos: 2.5 neg: 3.2 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 110.9 deg Storm rel helicity (0-3000m) pos: 78.7 neg: -7.1 tot: 71.6 m^2/s^2 ave: 23.9 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 71.87 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 ------------------------------------------------------------------------------- 500 285 7 162 18| 0.0 14.5 14.5| 36.0 -5.6 30.4 60.8 0.51| 17.5 9.0 1000 288 12 175 15| 2.5 7.3 9.8| 53.7 -5.6 48.1 48.1 0.60| 11.7 7.0 1500 293 15 185 13| 3.4 4.8 8.2| 66.9 -5.6 61.3 40.9 0.65| 9.6 6.2 2000 300 18 195 11| 3.8 3.6 7.4| 78.7 -5.6 73.0 36.5 0.70| 8.6 5.9 2500 302 20 206 10| 3.0 3.4 6.4| 78.7 -5.9 72.7 29.1 0.64| 7.4 4.7 3000 302 21 216 9| 2.5 3.2 5.7| 78.7 -7.1 71.6 23.9 0.59| 6.6 3.9 4000 300 24 231 11| 1.9 3.0 4.9| 78.7 -12.8 65.8 16.5 0.48| 5.7 2.8 5000 297 27 240 13| 2.0 2.7 4.7|108.0 -15.7 92.3 18.5 0.48| 5.4 2.6 6000 296 30 250 15| 2.4 2.3 4.7|151.2 -18.8 132.4 22.1 0.49| 5.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251212.12.gif