UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 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 255 1 925 813 SFC 914 898 -31.5 -34.8 73 3.3 -31.7 0 0 247.9 248.0 247.3 248.5 0.22 3 908 944 -27.7 -31.1 73 3.4 -28.0 350 0 252.3 252.4 251.4 253.2 0.31 4 906 960 -24.3 -27.8 73 3.5 -24.6 346 0 256.0 256.0 254.8 257.2 0.43 5 880 1174 -20.9 -23.8 77 2.9 -21.3 300 1 261.6 261.7 259.8 263.4 0.64 6 850 1430 -20.1 -23.5 74 3.4 -20.6 245 1 265.1 265.2 262.5 267.0 0.68 7 700 2840 -30.5 -35.5 62 5.0 -30.9 275 13 268.7 268.8 264.3 269.5 0.27 8 695 2891 -31.1 -36.1 61 5.0 -31.4 275 13 268.6 268.6 264.2 269.4 0.25 9 671 3139 -31.9 -36.9 61 5.0 -32.3 278 14 270.4 270.5 265.4 271.1 0.24 10 558 4416 -40.1 -44.5 63 4.4 -40.3 288 18 275.4 275.4 268.5 275.8 0.13 11 534 4715 -40.3 -44.7 63 4.4 -40.5 291 19 278.6 278.6 270.5 279.0 0.13 12 500 5160 -43.1 -47.9 59 4.8 -43.3 295 21 280.5 280.5 271.6 280.8 0.10 13 400 6640 -50.7 -55.7 55 5.0 -50.8 315 23 289.1 289.1 276.3 289.3 0.05 14 380 6972 -53.1 -58.1 54 5.0 -53.2 313 25 290.2 290.2 276.8 290.3 0.04 15 300 8480 -57.7 -62.7 53 5.0 -57.8 305 33 304.0 304.0 283.0 304.1 0.03 16 296 8565 -58.1 -63.1 53 5.0 -58.2 305 33 304.6 304.6 283.3 304.7 0.03 17 250 9630 -56.9 -62.9 47 6.0 -57.0 315 33 321.5 321.5 289.2 321.6 0.03 18 200 11050 -54.5 -60.5 47 6.0 -54.6 305 31 346.5 346.5 295.9 346.7 0.06 19 150 12900 -52.3 -61.3 33 9.0 -52.7 290 29 380.0 380.0 302.3 380.3 0.07 20 100 15530 -51.1 -65.1 17 14.0 -51.8 280 27 429.0 429.0 308.7 429.3 0.06 21 87 16438 -49.3 -64.3 16 15.0 -50.3 276 27 450.0 450.1 310.9 450.5 0.08 22 84 16667 -50.7 -66.7 13 16.0 -51.6 275 27 451.7 451.8 311.0 452.1 0.06 23 70 17850 -52.3 -69.3 11 17.0 -53.2 270 27 472.5 472.5 312.8 472.8 0.05 24 69 17943 -52.3 -69.3 11 17.0 -53.2 270 27 474.4 474.5 313.0 474.7 0.05 25 61 18740 -50.3 -68.3 10 18.0 -51.5 266 26 495.9 495.9 314.7 496.3 0.06 26 58 19067 -52.9 -70.9 10 18.0 -53.9 264 26 497.3 497.3 314.8 497.5 0.05 27 52 19768 -53.5 -72.5 8 19.0 -54.6 261 25 511.6 511.6 315.8 511.9 0.04 28 50 20020 -52.5 -71.5 8 19.0 -53.7 260 25 519.8 519.8 316.3 520.1 0.05 29 43 20999 -51.1 -71.1 7 20.0 -52.7 257 24 546.1 546.1 317.9 546.5 0.06 30 40 21465 -55.1 -75.1 7 20.0 -56.2 256 23 547.5 547.5 317.9 547.7 0.04 31 32 22893 -54.7 -74.7 7 20.0 -56.2 251 22 584.6 584.6 319.9 585.0 0.05 32 30 23310 -50.9 -71.9 7 21.0 -53.1 250 21 605.9 605.9 320.9 606.5 0.08 33 25 24512 -45.5 -68.5 6 23.0 -49.6 219 17 653.8 653.9 322.9 655.1 0.15 34 20 26000 -45.7 -68.7 6 23.0 -50.3 180 13 696.3 696.4 324.4 697.9 0.18 35 18 26699 -47.7 -70.7 5 23.0 -52.0 711.3 711.3 324.8 712.6 0.15 36 17 27078 -45.1 -69.1 5 24.0 -50.5 731.3 731.4 325.4 733.2 0.20 37 14 28367 -48.1 -72.1 5 24.0 -53.0 762.9 763.0 326.3 764.5 0.16 38 13 28859 -44.5 -69.5 5 25.0 -51.1 791.7 791.9 327.1 794.2 0.25 39 10 30633 -40.1 -67.1 4 27.0 -49.8 869.9 870.1 328.9 874.9 0.46 TRP 296 8565 -58.1 -63.1 53 5.0 -58.2 305 33 304.6 304.6 283.3 304.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 4905.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 65.33 % Est. max temperature: -12.80 C = 8.96 F Sfc-Lift cond lev (LCL): 864.08 mb = 1308.60 m = 4293.25 ft T: -20.48 C 700-500 lapse rate: 5.43 C/km Conv cond level (CCL): 914.00 mb = 897.53 m = 2944.62 ft Mean mixing ratio: 0.58 g/kg Conv temperature: -24.36 C = -11.85 F Cap Strength: 12.59 C Lifted Index: 13.83 C Risk: None Lifted Index @300 mb: 28.53 C Lifted Index @700 mb: 5.16 C Showalter Index: 11.20 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 23.00 C Cross Totals Index: 19.60 C K Index: -5.50 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 2.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.50 J/kg Max Up Vert Vel: 10.34 m/s Conv Inhibition (B-): 64492.70 J/kg Cap Strength: 13.48 C Lift Cond Lev (LCL): 819.39 mb = 1696.33 m = 5565.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 324 at 11 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 | 144 11 -6.5 9.1 1 850 1430 245 1 0.9 0.4 | 150 11 -5.6 9.5 2 700 2840 275 13 13.0 -1.1 | 219 10 6.4 8.0 3 500 5160 295 21 19.0 -8.9 | 269 13 12.5 0.2 4 400 6640 315 23 16.3 -16.3 | 306 12 9.7 -7.2 5 300 8480 305 33 27.0 -18.9 | 296 23 20.5 -9.8 6 296 8565 305 33 27.0 -18.9 | 296 23 20.5 -9.8 7 250 9630 315 33 23.3 -23.3 | 310 22 16.8 -14.2 8 200 11050 305 31 25.4 -17.8 | 295 21 18.9 -8.7 9 150 12900 290 29 27.3 -9.9 | 272 21 20.7 -0.8 10 100 15530 280 27 26.6 -4.7 | 258 21 20.1 4.4 11 70 17850 270 27 27.0 -0.0 | 246 22 20.5 9.1 12 50 20020 260 25 24.6 4.3 | 233 23 18.1 13.4 13 30 23310 250 21 19.7 7.2 | 219 21 13.2 16.3 14 20 26000 180 13 0.0 13.0 | 164 23 -6.5 22.1 Wind Parameters Mean winds (0-6000m): 294.4 at 14.9 knts Storm direction: 324.4 at 11.2 knts Shear (0-3000m) pos: 2.7 neg: 0.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 97.9 deg Storm rel helicity (0-3000m) pos: 49.6 neg: -0.1 tot: 49.4 m^2/s^2 ave: 16.5 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.89 Bulk Shear: 28.32 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 ------------------------------------------------------------------------------- 500 245 0 147 11| 0.0 1.0 1.0| 2.6 -0.1 2.5 5.0 0.66| 1.4 0.9 1000 252 2 153 11| 2.1 0.5 2.6| 14.2 -0.1 14.1 14.1 0.91| 2.8 2.5 1500 263 3 162 10| 2.9 0.3 3.2| 26.4 -0.1 26.2 17.5 0.95| 3.4 3.2 2000 272 5 173 9| 3.2 0.2 3.4| 38.2 -0.1 38.1 19.1 0.97| 3.7 3.5 2500 274 7 184 9| 2.9 0.2 3.1| 43.7 -0.1 43.6 17.4 0.97| 3.4 3.3 3000 277 9 194 8| 2.7 0.2 2.9| 49.6 -0.1 49.4 16.5 0.97| 3.2 3.1 4000 283 11 213 8| 2.5 0.1 2.6| 62.4 -0.1 62.3 15.6 0.97| 2.9 2.8 5000 288 13 231 8| 2.2 0.1 2.3| 78.5 -0.1 78.4 15.7 0.97| 2.9 2.8 6000 294 15 247 8| 2.1 0.1 2.1| 91.2 -1.1 90.1 15.0 0.93| 2.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251220.12.gif