UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121112.upa.cvt Date: 1200Z 11 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 11 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 1 925 819 SFC 915 897 -28.5 -31.5 75 3.0 -28.7 0 0 250.9 251.0 250.2 251.8 0.30 3 907 960 -26.9 -29.8 76 2.9 -27.2 350 1 253.2 253.3 252.3 254.2 0.36 4 901 1009 -19.1 -22.6 74 3.5 -19.6 343 1 261.7 261.8 260.0 263.7 0.69 5 900 1017 -16.7 -20.2 74 3.5 -17.3 342 1 264.3 264.4 262.2 266.7 0.85 6 850 1445 -19.1 -25.1 59 6.0 -20.0 280 5 266.1 266.2 263.1 267.8 0.59 7 827 1648 -20.1 -26.1 59 6.0 -20.9 285 8 267.2 267.3 263.7 268.8 0.55 8 734 2529 -21.5 -29.5 48 8.0 -22.5 306 20 274.9 275.0 268.8 276.3 0.45 9 700 2877 -23.5 -30.5 53 7.0 -24.4 315 25 276.5 276.5 269.8 277.8 0.43 10 622 3733 -28.1 -37.1 42 9.0 -28.9 310 29 280.7 280.7 272.0 281.5 0.25 11 500 5270 -37.3 -42.3 60 5.0 -37.6 300 35 287.6 287.6 275.7 288.2 0.18 12 400 6780 -45.7 -49.7 64 4.0 -45.9 295 44 295.6 295.6 279.5 296.0 0.10 13 394 6880 -46.3 -50.2 64 3.9 -46.4 295 45 296.1 296.1 279.7 296.4 0.10 14 300 8640 -58.3 -62.4 59 4.1 -58.3 295 60 303.2 303.2 282.7 303.3 0.03 15 276 9161 -62.1 -66.0 59 3.9 -62.1 297 64 305.0 305.0 283.4 305.1 0.02 16 255 9649 -64.5 -68.5 58 4.0 -64.6 299 67 308.4 308.4 284.7 308.5 0.01 17 250 9770 -64.5 -68.6 57 4.1 -64.6 300 68 310.2 310.2 285.4 310.2 0.01 18 230 10277 -66.1 -70.0 57 4.0 -66.1 305 73 315.3 315.3 287.2 315.3 0.01 19 220 10545 -66.9 -70.8 58 3.9 -66.9 305 71 318.0 318.0 288.1 318.1 0.01 20 208 10884 -67.1 -71.1 57 4.0 -67.1 308 69 322.9 322.9 289.6 322.9 0.01 21 200 11120 -66.9 -70.9 57 4.0 -67.0 310 68 326.8 326.8 290.8 326.9 0.01 22 166 12252 -65.5 -69.5 57 4.0 -65.5 304 55 347.0 347.0 296.0 347.1 0.02 23 157 12595 -60.1 -64.2 59 4.1 -60.2 302 51 361.8 361.8 299.1 362.0 0.04 24 150 12880 -60.9 -64.8 60 3.9 -61.0 300 48 365.2 365.2 299.7 365.4 0.04 25 106 15023 -63.9 -68.6 53 4.7 -64.0 287 39 397.6 397.6 304.9 397.8 0.04 26 100 15380 -63.9 -68.7 52 4.8 -64.0 285 38 404.3 404.3 305.8 404.4 0.04 27 89 16096 -62.9 -67.9 51 5.0 -63.0 420.0 420.0 307.7 420.2 0.05 TRP 220 10545 -66.9 -70.8 58 3.9 -66.9 305 71 318.0 318.0 288.1 318.1 0.01 WND 230 10277 -66.1 -70.0 57 4.0 -66.1 305 73 315.3 315.3 287.2 315.3 0.01 Sounding variables and indices 1000-500 mb thick: 5017.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 53.14 % Est. max temperature: -7.77 C = 18.02 F Sfc-Lift cond lev (LCL): 869.85 mb = 1272.22 m = 4173.91 ft T: -18.13 C 700-500 lapse rate: 5.77 C/km ThetaE index: 0.00 C Layer 915.0- -0.0 mb Conv cond level (CCL): 915.00 mb = 896.98 m = 2942.83 ft Mean mixing ratio: 0.62 g/kg Conv temperature: -23.63 C = -10.54 F Cap Strength: 13.13 C Lifted Index: 17.67 C Risk: None Lifted Index @300 mb: 26.23 C Lifted Index @700 mb: 10.14 C Showalter Index: 16.35 C Risk: None Total Totals Index: 30.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: 12.20 C K Index: -13.90 Risk: None Sweat Index: 45.00 Risk: None Energy Index: 4.32 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.55 J/kg Max Up Vert Vel: 9.33 m/s Conv Inhibition (B-): 22385.17 J/kg Cap Strength: 17.30 C Lift Cond Lev (LCL): 799.54 mb = 1897.76 m = 6226.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 333 at 20 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 ---------------------------------------------------------- 0 915 897 0 0 -0.0 -0.0 | 153 20 -9.3 17.9 1 850 1445 280 5 4.9 -0.9 | 166 18 -4.4 17.1 2 700 2877 315 25 17.7 -17.7 | 268 8 8.4 0.2 3 500 5270 300 35 30.3 -17.5 | 269 21 21.0 0.4 4 400 6780 295 44 39.9 -18.6 | 271 31 30.6 -0.7 5 300 8640 295 60 54.4 -25.4 | 279 46 45.1 -7.4 6 250 9770 300 68 58.9 -34.0 | 288 52 49.6 -16.1 7 230 10277 305 73 59.8 -41.9 | 295 56 50.5 -23.9 8 220 10545 305 71 58.2 -40.7 | 295 54 48.8 -22.8 9 200 11120 310 68 52.1 -43.7 | 301 50 42.8 -25.8 10 150 12880 300 48 41.6 -24.0 | 281 33 32.3 -6.1 11 100 15380 285 38 36.7 -9.8 | 254 29 27.4 8.1 Wind Parameters Mean winds (0-6000m): 302.5 at 26.9 knts Storm direction: 332.5 at 20.2 knts Shear (0-3000m) pos: 3.6 neg: 1.7 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 118.9 deg Storm rel helicity (0-3000m) pos: 81.4 neg: -1.1 tot: 80.3 m^2/s^2 ave: 26.8 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 4.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.53 Bulk Shear: 81.75 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 ------------------------------------------------------------------------------- 500 279 2 158 19| 0.0 4.7 4.7| 16.3 -1.1 15.2 30.4 0.59| 5.7 3.4 1000 285 5 165 17| 3.5 2.3 5.8| 41.6 -1.1 40.5 40.5 0.74| 6.5 4.8 1500 296 8 172 14| 4.8 1.6 6.4| 61.9 -1.1 60.8 40.6 0.78| 7.0 5.4 2000 308 12 180 11| 5.4 1.2 6.6| 80.0 -1.1 78.9 39.5 0.83| 7.3 6.1 2500 310 14 191 9| 4.4 1.5 5.8| 81.0 -1.1 79.9 32.0 0.78| 6.4 5.0 3000 310 17 206 8| 3.6 1.7 5.3| 81.4 -1.1 80.3 26.8 0.72| 5.7 4.1 4000 308 21 232 9| 2.7 1.9 4.6| 81.4 -3.1 78.3 19.6 0.61| 5.0 3.1 5000 305 24 247 11| 2.2 2.1 4.3| 85.1 -4.9 80.3 16.1 0.53| 4.6 2.5 6000 303 27 256 14| 1.8 2.4 4.2| 90.9 -4.9 86.1 14.3 0.48| 4.4 2.1 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251211.12.gif