UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122612.upa.cvt Date: 1200Z 26 DEC 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 26 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 202 1 925 759 SFC 907 898 -32.1 -37.1 61 5.0 -32.4 0 0 247.9 247.9 247.2 248.4 0.17 3 900 954 -24.7 -30.7 57 6.0 -25.2 346 0 256.1 256.1 254.6 257.0 0.33 4 894 1003 -22.1 -28.1 58 6.0 -22.8 333 0 259.2 259.3 257.4 260.4 0.42 5 890 1036 -18.3 -24.3 59 6.0 -19.2 325 0 263.5 263.6 261.1 265.2 0.60 6 879 1130 -14.1 -19.1 66 5.0 -15.1 302 0 268.8 268.9 265.7 271.5 0.96 7 850 1384 -16.3 -22.3 60 6.0 -17.3 240 1 269.1 269.2 265.5 271.2 0.75 8 846 1419 -16.7 -22.7 60 6.0 -17.7 242 2 269.0 269.1 265.4 271.1 0.73 9 798 1857 -17.5 -24.5 54 7.0 -18.6 271 9 272.7 272.8 267.8 274.6 0.66 10 732 2499 -21.3 -27.3 58 6.0 -22.1 313 21 275.4 275.4 269.3 277.0 0.56 11 700 2828 -22.1 -28.1 58 6.0 -22.9 335 27 278.0 278.1 270.9 279.6 0.54 12 500 5250 -31.7 -37.7 55 6.0 -32.3 325 56 294.4 294.4 279.3 295.4 0.30 13 474 5627 -33.5 -39.5 55 6.0 -34.0 326 59 296.7 296.7 280.3 297.6 0.26 14 400 6800 -42.5 -51.5 37 9.0 -42.9 330 68 299.8 299.8 281.4 300.1 0.08 15 314 8389 -54.5 -63.5 32 9.0 -54.6 326 77 304.5 304.5 283.2 304.6 0.02 16 300 8680 -55.7 -64.7 32 9.0 -55.8 325 79 306.8 306.8 284.1 306.9 0.02 17 250 9830 -58.7 -67.7 30 9.0 -58.8 320 101 318.8 318.8 288.3 318.9 0.02 18 229 10379 -60.1 -69.1 30 9.0 -60.2 320 108 324.7 324.7 290.2 324.8 0.02 19 224 10516 -60.5 -69.5 30 9.0 -60.6 320 104 326.2 326.2 290.6 326.3 0.01 20 200 11220 -61.1 -69.1 34 8.0 -61.2 320 95 336.0 336.0 293.3 336.1 0.02 21 179 11909 -61.3 -69.3 34 8.0 -61.4 316 85 346.5 346.5 295.8 346.6 0.02 22 150 13020 -55.7 -64.7 32 9.0 -55.9 310 69 374.1 374.1 301.3 374.3 0.04 23 144 13279 -54.9 -63.9 32 9.0 -55.2 308 66 379.9 379.9 302.3 380.1 0.05 24 100 15580 -57.9 -67.9 27 10.0 -58.2 290 44 415.9 415.9 307.3 416.1 0.04 25 93 16038 -56.9 -67.9 24 11.0 -57.3 289 46 426.6 426.6 308.5 426.8 0.04 26 70 17850 -53.5 -65.5 22 12.0 -54.2 285 56 469.9 470.0 312.7 470.4 0.08 27 68 18036 -53.5 -65.5 22 12.0 -54.2 473.8 473.9 313.0 474.3 0.08 28 53 19638 -53.9 -66.9 19 13.0 -54.8 507.9 507.9 315.5 508.5 0.09 TRP 224 10516 -60.5 -69.5 30 9.0 -60.6 320 104 326.2 326.2 290.6 326.3 0.01 WND 229 10379 -60.1 -69.1 30 9.0 -60.2 320 108 324.7 324.7 290.2 324.8 0.02 Sounding variables and indices 1000-500 mb thick: 5048.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 57.39 % Est. max temperature: -6.38 C = 20.52 F Sfc-Lift cond lev (LCL): 832.68 mb = 1538.44 m = 5047.31 ft T: -16.92 C 700-500 lapse rate: 3.96 C/km ThetaE index: 0.39 C Layer 850.0- 798.0 mb Conv cond level (CCL): 907.00 mb = 898.10 m = 2946.49 ft Mean mixing ratio: 0.70 g/kg Conv temperature: -22.38 C = -8.29 F Cap Strength: 9.05 C Lifted Index: 20.84 C Risk: None Lifted Index @300 mb: 26.66 C Lifted Index @700 mb: 9.05 C Showalter Index: 19.20 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 15.40 C Cross Totals Index: 9.40 C K Index: -12.90 Risk: None Sweat Index: 58.00 Risk: None Energy Index: 5.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 61.91 J/kg Max Up Vert Vel: 11.13 m/s Conv Inhibition (B-): 32694.88 J/kg Cap Strength: 20.63 C Lift Cond Lev (LCL): 782.49 mb = 2003.27 m = 6572.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 358 at 28 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 ---------------------------------------------------------- 0 907 898 0 0 -0.0 -0.0 | 178 28 -0.8 28.3 1 850 1384 240 1 0.9 0.5 | 180 29 0.1 28.8 2 700 2828 335 27 11.4 -24.5 | 250 11 10.6 3.9 3 500 5250 325 56 32.1 -45.9 | 299 36 31.3 -17.5 4 400 6800 330 68 34.0 -58.9 | 313 45 33.2 -30.5 5 300 8680 325 79 45.3 -64.7 | 309 57 44.5 -36.4 6 250 9830 320 101 64.9 -77.4 | 307 81 64.1 -49.0 7 229 10379 320 108 69.4 -82.7 | 308 88 68.6 -54.4 8 224 10516 320 104 66.8 -79.7 | 308 84 66.1 -51.3 9 200 11220 320 95 61.1 -72.8 | 306 75 60.3 -44.4 10 150 13020 310 69 52.9 -44.4 | 287 54 52.1 -16.0 11 100 15580 290 44 41.3 -15.0 | 252 43 40.6 13.3 12 70 17850 285 56 54.1 -14.5 | 255 55 53.3 13.8 Wind Parameters Mean winds (0-6000m): 328.4 at 37.8 knts Storm direction: 358.4 at 28.4 knts Shear (0-3000m) pos: 4.8 neg: 2.1 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 110.3 deg Storm rel helicity (0-3000m) pos: 226.4 neg: 0.0 tot: 226.4 m^2/s^2 ave: 75.5 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 6.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.33 Bulk Shear: 188.97 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 ------------------------------------------------------------------------------- 500 240 1 179 29| 0.0 1.3 1.3| 8.2 0.0 8.2 16.3 0.65| 1.7 1.1 1000 268 3 185 29| 4.7 0.6 5.4| 82.3 0.0 82.3 82.3 0.93| 5.8 5.4 1500 303 7 192 25| 6.4 0.4 6.9|152.9 0.0 152.9 102.0 0.87| 8.1 7.1 2000 332 11 193 19| 7.2 0.3 7.5|193.0 0.0 193.0 96.5 0.78| 9.8 7.7 2500 333 15 201 16| 5.8 1.3 7.1|210.2 0.0 210.2 84.1 0.79| 9.1 7.2 3000 332 18 213 14| 4.8 2.1 6.9|226.4 0.0 226.4 75.5 0.77| 8.6 6.6 4000 330 26 243 14| 3.6 3.2 6.8|252.4 0.0 252.4 63.1 0.68| 8.1 5.5 5000 328 32 266 16| 3.3 3.1 6.4|298.2 0.0 298.2 59.6 0.65| 7.5 4.8 6000 328 38 281 19| 3.4 2.6 6.0|358.8 -1.4 357.4 59.6 0.65| 6.9 4.5 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20251226.12.gif