UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 19 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 231 1 925 791 SFC 912 892 -30.7 -34.6 69 3.9 -30.9 0 0 248.9 249.0 248.2 249.5 0.22 3 910 907 -29.3 -33.3 68 4.0 -29.6 0 0 250.5 250.6 249.7 251.2 0.25 4 908 923 -24.9 -28.7 71 3.8 -25.3 1 1 255.2 255.3 254.1 256.3 0.39 5 904 956 -18.9 -22.6 73 3.7 -19.4 1 1 261.7 261.8 259.9 263.6 0.69 6 899 997 -17.3 -20.8 74 3.5 -17.9 2 2 263.8 263.9 261.7 266.0 0.81 7 884 1124 -17.5 -20.8 75 3.3 -18.1 4 4 264.8 265.0 262.6 267.1 0.82 8 850 1417 -19.1 -25.1 59 6.0 -20.0 10 9 266.1 266.2 263.1 267.8 0.59 9 772 2126 -24.1 -32.1 48 8.0 -24.9 12 12 268.2 268.2 264.0 269.2 0.34 10 700 2838 -25.5 -34.5 43 9.0 -26.3 15 15 274.2 274.3 268.1 275.1 0.29 11 690 2943 -25.3 -35.3 39 10.0 -26.3 22 15 275.6 275.6 269.0 276.5 0.27 12 676 3091 -25.5 -35.5 39 10.0 -26.5 32 14 277.0 277.0 269.8 277.9 0.27 13 590 4065 -32.7 -45.7 26 13.0 -33.4 99 10 279.6 279.6 271.1 280.0 0.11 14 500 5210 -41.5 -47.5 52 6.0 -41.8 180 5 282.4 282.5 272.8 282.8 0.10 15 477 5527 -44.1 -50.1 51 6.0 -44.3 196 5 283.1 283.1 273.1 283.3 0.08 16 431 6196 -49.7 -54.7 56 5.0 -49.8 230 6 284.3 284.3 273.7 284.4 0.05 17 400 6680 -52.5 -57.5 55 5.0 -52.6 255 7 286.8 286.8 275.0 286.9 0.04 18 310 8288 -62.9 -67.6 53 4.7 -62.9 275 13 293.9 293.9 278.6 294.0 0.01 19 300 8490 -62.1 -66.8 53 4.7 -62.1 275 13 297.8 297.8 280.4 297.9 0.02 20 250 9630 -58.5 -63.2 55 4.7 -58.6 270 17 319.1 319.1 288.5 319.2 0.03 21 228 10213 -56.3 -61.1 55 4.8 -56.4 274 19 331.0 331.0 292.0 331.2 0.04 22 200 11050 -54.1 -59.1 54 5.0 -54.2 280 23 347.1 347.1 296.0 347.4 0.07 23 199 11082 -53.9 -59.9 48 6.0 -54.1 280 23 347.9 347.9 296.2 348.2 0.06 24 150 12890 -53.5 -61.5 37 8.0 -53.8 280 29 377.9 377.9 301.9 378.2 0.06 25 100 15510 -53.1 -65.1 22 12.0 -53.6 275 33 425.1 425.1 308.3 425.4 0.06 26 70 17800 -52.1 -67.1 15 15.0 -53.0 275 35 472.9 472.9 312.9 473.3 0.07 27 64 18378 -54.1 -69.1 14 15.0 -54.9 274 34 480.8 480.8 313.5 481.1 0.05 28 50 19970 -52.5 -68.5 13 16.0 -53.7 270 33 519.8 519.8 316.3 520.2 0.08 29 37 21930 -51.1 -69.1 10 18.0 -52.9 261 28 570.1 570.1 319.2 570.8 0.09 30 30 23310 -47.1 -67.1 8 20.0 -50.1 255 25 616.2 616.3 321.4 617.4 0.15 31 29 23535 -45.9 -65.9 9 20.0 -49.3 625.5 625.6 321.8 627.0 0.19 32 25 24510 -51.3 -71.3 7 20.0 -53.8 637.2 637.2 322.2 638.0 0.10 33 20 25970 -47.9 -68.9 7 21.0 -51.7 689.6 689.6 324.1 691.1 0.18 34 18 26671 -44.3 -66.3 7 22.0 -49.7 722.0 722.1 325.2 724.6 0.29 TRP 310 8288 -62.9 -67.6 53 4.7 -62.9 275 13 293.9 293.9 278.6 294.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 4979.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 44.52 % Est. max temperature: -11.16 C = 11.91 F Sfc-Lift cond lev (LCL): 853.51 mb = 1386.21 m = 4547.88 ft T: -18.93 C 700-500 lapse rate: 6.75 C/km ThetaE index: 0.00 C Layer 912.0- 0.0 mb Conv cond level (CCL): 912.00 mb = 891.73 m = 2925.59 ft Mean mixing ratio: 0.63 g/kg Conv temperature: -23.54 C = -10.38 F Cap Strength: 11.52 C Lifted Index: 13.09 C Risk: None Lifted Index @300 mb: 22.11 C Lifted Index @700 mb: 7.76 C Showalter Index: 12.15 C Risk: None Total Totals Index: 38.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 16.40 C K Index: -11.70 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.28 J/kg Max Up Vert Vel: 7.78 m/s Conv Inhibition (B-): 55362.05 J/kg Cap Strength: 13.02 C Lift Cond Lev (LCL): 795.95 mb = 1900.91 m = 6236.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 35 at 7 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 ---------------------------------------------------------- 0 912 892 0 0 -0.0 -0.0 | 215 7 3.8 5.5 1 850 1417 10 9 -1.6 -8.9 | 327 4 2.2 -3.4 2 700 2838 15 15 -3.9 -14.5 | 1 9 -0.1 -9.0 3 500 5210 180 5 0.0 5.0 | 200 11 3.8 10.5 4 400 6680 255 7 6.8 1.8 | 235 13 10.5 7.3 5 310 8288 275 13 13.0 -1.1 | 255 17 16.7 4.3 6 300 8490 275 13 13.0 -1.1 | 255 17 16.7 4.3 7 250 9630 270 17 17.0 -0.0 | 255 21 20.8 5.5 8 200 11050 280 23 22.7 -4.0 | 267 26 26.4 1.5 9 150 12890 280 29 28.6 -5.0 | 269 32 32.3 0.4 10 100 15510 275 33 32.9 -2.9 | 266 37 36.6 2.6 11 70 17800 275 35 34.9 -3.1 | 266 39 38.6 2.4 12 50 19970 270 33 33.0 -0.0 | 262 37 36.8 5.5 13 30 23310 255 25 24.1 6.5 | 247 30 27.9 11.9 Wind Parameters Mean winds (0-6000m): 4.5 at 8.9 knts Storm direction: 34.5 at 6.6 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -87.3 deg Storm rel helicity (0-3000m) pos: 45.2 neg: 0.0 tot: 45.2 m^2/s^2 ave: 15.1 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.69 Bulk Shear: 2.83 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 10 4 247 3| 8.8 0.0 8.8| 7.4 0.0 7.4 14.8 0.83| 8.9 7.4 1000 11 7 300 3| 5.7 0.0 5.7| 9.5 0.0 9.5 9.5 0.80| 5.7 4.6 1500 12 9 327 4| 4.5 0.0 4.5| 11.5 0.0 11.5 7.6 0.76| 4.6 3.5 2000 13 10 341 5| 3.8 0.0 3.8| 15.4 0.0 15.4 7.7 0.74| 4.1 3.1 2500 18 11 354 5| 2.6 0.0 2.6| 31.3 0.0 31.3 12.5 0.82| 5.1 4.2 3000 24 11 8 5| 1.8 0.0 1.8| 45.2 0.0 45.2 15.1 0.85| 5.5 4.7 4000 21 10 360 4| 0.8 0.0 0.8| 74.2 0.0 74.2 18.6 0.88| 5.5 4.9 5000 16 9 342 4| 0.6 0.0 0.6| 91.7 0.0 91.7 18.3 0.89| 5.0 4.5 6000 5 9 318 5| 0.7 0.0 0.7|109.5 0.0 109.5 18.2 0.89| 4.7 4.2 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251219.12.gif