UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for X0557... Searching the city database file for: X0557 ... Date:1200Z 18 APR 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 41 1 925 692 SFC 903 891 8.4 -9.6 27 18.0 1.5 95 5 289.9 290.2 279.6 296.0 2.04 3 850 1388 4.8 -11.2 30 16.0 -1.0 145 13 291.2 291.5 280.0 296.9 1.91 4 843 1455 4.6 -11.4 30 16.0 -1.2 150 13 291.7 292.0 280.1 297.4 1.89 5 700 2930 -8.7 -16.7 52 8.0 -10.9 255 13 292.9 293.1 280.2 297.4 1.48 6 692 3019 -9.7 -17.7 52 8.0 -11.9 256 13 292.7 292.9 280.0 296.9 1.37 7 684 3108 -10.3 -18.3 52 8.0 -12.4 257 13 293.0 293.2 280.0 297.1 1.32 8 662 3360 -9.7 -18.7 48 9.0 -12.1 259 12 296.4 296.7 281.5 300.6 1.32 9 587 4275 -16.3 -35.3 18 19.0 -19.2 268 11 299.1 299.2 281.4 300.2 0.32 10 525 5104 -22.3 -36.3 27 14.0 -24.1 276 10 301.6 301.7 282.5 302.7 0.33 11 500 5460 -25.5 -40.5 23 15.0 -27.1 280 9 301.9 302.0 282.5 302.7 0.22 12 400 7040 -37.9 -51.9 22 14.0 -38.6 260 11 305.7 305.7 283.8 306.0 0.08 13 368 7608 -42.1 -55.1 23 13.0 -42.6 241 10 307.5 307.5 284.5 307.7 0.06 14 300 8960 -51.7 -62.7 26 11.0 -51.9 195 7 312.5 312.5 286.2 312.6 0.03 15 260 9872 -57.7 -68.7 23 11.0 -57.8 215 3 316.7 316.7 287.7 316.8 0.01 16 250 10120 -56.1 -67.1 24 11.0 -56.2 230 7 322.7 322.7 289.6 322.7 0.02 17 203 11454 -52.3 -63.3 25 11.0 -52.6 272 13 348.5 348.5 296.3 348.6 0.04 18 200 11550 -52.1 -63.1 25 11.0 -52.4 275 13 350.3 350.3 296.7 350.4 0.04 19 181 12194 -53.7 -65.7 22 12.0 -54.0 277 13 357.8 357.8 298.3 357.9 0.03 20 150 13410 -51.1 -65.1 17 14.0 -51.6 280 13 382.0 382.0 302.6 382.2 0.04 21 145 13630 -50.7 -64.7 17 14.0 -51.2 278 13 386.4 386.4 303.3 386.7 0.04 22 100 16030 -53.7 -69.7 12 16.0 -54.2 255 15 424.0 424.0 308.2 424.1 0.03 23 70 18310 -53.7 -71.7 9 18.0 -54.5 260 15 469.5 469.5 312.6 469.7 0.03 24 50 20470 -53.3 -72.3 8 19.0 -54.4 265 9 517.9 517.9 316.2 518.2 0.04 25 31 23531 -55.5 -75.5 7 20.0 -56.9 270 7 587.8 587.8 320.0 588.1 0.04 26 30 23740 -54.7 -74.7 7 20.0 -56.2 270 7 595.5 595.5 320.4 595.9 0.05 27 27 24417 -52.3 -73.3 6 21.0 -54.4 251 7 620.5 620.5 321.5 621.0 0.07 28 20 26350 -53.9 -74.9 6 21.0 -56.2 195 7 671.2 671.2 323.5 671.8 0.07 29 15 28202 -52.9 -73.9 6 21.0 -56.1 732.1 732.1 325.4 733.1 0.12 30 12 29660 -47.3 -70.3 5 23.0 -52.9 800.2 800.3 327.3 802.6 0.24 31 10 30859 -49.9 -72.9 5 23.0 -55.2 833.3 833.4 328.1 835.3 0.20 TRP 260 9872 -57.7 -68.7 23 11.0 -57.8 215 3 316.7 316.7 287.7 316.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5419.00 m Freezing level: 793.54 mb = 1965.30 m = 6447.77 ft Wetbulb zero: 871.77 mb = 1180.23 m = 3872.09 ft Precipitable water: 0.21 inches Sfc-500 mean rel hum: 34.07 % Est. max temperature: 10.90 C = 51.63 F Sfc-Lift cond lev (LCL): 684.17 mb = 3106.31 m = 10191.19 ft T: -10.29 C 700-500 lapse rate: 6.64 C/km Conv cond level (CCL): 594.76 mb = 4175.07 m = 13697.56 ft Mean mixing ratio: 1.91 g/kg Conv temperature: 17.09 C = 62.76 F Cap Strength: 5.86 C Lifted Index: 5.65 C Risk: None Lifted Index @300 mb: 11.12 C Lifted Index @700 mb: 1.55 C Showalter Index: 5.65 C Risk: None Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 14.30 C K Index: 11.10 Risk: None Sweat Index: 35.00 Risk: None Energy Index: 1.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.24 J/kg Max Up Vert Vel: 4.53 m/s Conv Inhibition (B-): 62822.63 J/kg Cap Strength: 5.82 C Lift Cond Lev (LCL): 663.26 mb = 3345.34 m = 10975.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 8 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 ---------------------------------------------------------- 0 903 891 95 5 -5.0 0.4 | 99 13 -13.1 2.0 1 850 1388 145 13 -7.5 10.6 | 128 20 -15.6 12.2 2 700 2930 255 13 12.6 3.4 | 222 7 4.4 4.9 3 500 5460 280 9 8.9 -1.6 | 273 1 0.7 -0.0 4 400 7040 260 11 10.8 1.9 | 218 4 2.7 3.4 5 300 8960 195 7 1.8 6.8 | 143 10 -6.3 8.3 6 260 9872 215 3 1.7 2.5 | 122 8 -6.4 4.0 7 250 10120 230 7 5.4 4.5 | 155 7 -2.8 6.0 8 200 11550 275 13 13.0 -1.1 | 265 5 4.8 0.4 9 150 13410 280 13 12.8 -2.3 | 279 5 4.6 -0.7 10 100 16030 255 15 14.5 3.9 | 229 8 6.3 5.4 11 70 18310 260 15 14.8 2.6 | 238 8 6.6 4.1 12 50 20470 265 9 9.0 0.8 | 199 2 0.8 2.3 13 30 23740 270 7 7.0 -0.0 | 143 2 -1.2 1.5 14 20 26350 195 7 1.8 6.8 | 143 10 -6.3 8.3 Wind Parameters Mean winds (0-6000m): 250.6 at 11.1 knts Storm direction: 280.6 at 8.3 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 119.9 neg: 0.0 tot: 119.9 m^2/s^2 ave: 40.0 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 5.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.26 Bulk Shear: 39.69 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 ------------------------------------------------------------------------------- 500 132 9 117 17| 10.8 0.0 10.8| 40.9 0.0 40.9 81.8 0.79| 11.6 9.2 1000 150 11 129 18| 7.0 0.0 7.0| 76.8 0.0 76.8 76.8 0.84| 10.0 8.4 1500 168 12 140 17| 5.6 0.0 5.6|102.1 0.0 102.1 68.0 0.84| 9.4 7.9 2000 183 12 151 15| 4.6 0.0 4.6|117.7 0.0 117.7 58.9 0.82| 9.2 7.5 2500 203 12 165 13| 3.5 0.0 3.5|119.4 0.0 119.4 47.7 0.81| 7.7 6.2 3000 217 12 176 11| 2.8 0.0 2.8|119.9 0.0 119.9 40.0 0.79| 6.6 5.3 4000 235 12 190 8| 1.9 0.0 1.9|120.5 0.0 120.5 30.1 0.76| 5.3 4.0 5000 245 11 199 7| 1.5 0.1 1.5|120.6 -0.2 120.5 24.1 0.72| 4.5 3.2 6000 251 11 204 6| 1.2 0.3 1.5|120.6 -0.8 119.8 20.0 0.66| 3.9 2.6 Wrote GIF file: /home/apache/climate/data/raob//X0557/skewt/X0557.skewt.20250418.12.gif