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 U4122... Searching the city database file for: U4122 ... Date:1200Z 18 APR 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 -16 SFC 972 204 -4.7 -7.8 79 3.1 -5.7 80 9 270.6 271.0 269.1 276.6 2.18 2 935 503 -7.3 -9.7 83 2.4 -8.0 68 18 271.0 271.3 268.9 276.4 1.95 3 925 586 -7.3 -9.6 84 2.3 -8.0 65 21 271.8 272.2 269.5 277.4 1.99 4 899 812 -7.1 -8.1 93 1.0 -7.4 111 18 274.3 274.7 271.5 280.7 2.31 5 875 1025 -8.7 -9.6 93 0.9 -9.0 154 14 274.7 275.1 271.5 280.6 2.11 6 853 1226 -6.7 -7.2 96 0.5 -6.9 194 11 278.8 279.3 274.6 286.2 2.61 7 850 1254 -6.7 -7.2 96 0.5 -6.9 200 11 279.1 279.6 274.8 286.5 2.62 8 831 1431 -5.5 -5.9 97 0.4 -5.7 203 13 282.2 282.7 277.0 290.6 2.96 9 700 2753 -13.9 -15.5 88 1.6 -14.3 230 25 287.1 287.4 277.6 292.0 1.63 10 515 5001 -29.7 -31.5 84 1.8 -29.9 235 51 294.3 294.4 279.6 296.1 0.53 11 500 5210 -31.7 -33.6 83 1.9 -31.9 235 54 294.4 294.5 279.5 295.9 0.45 12 425 6341 -42.5 -44.9 77 2.4 -42.6 235 63 294.6 294.6 279.1 295.2 0.16 13 400 6750 -45.3 -48.1 73 2.8 -45.4 235 66 296.1 296.1 279.8 296.5 0.12 14 393 6868 -45.9 -48.6 74 2.7 -46.0 236 68 296.8 296.9 280.1 297.2 0.12 15 389 6936 -48.1 -50.8 74 2.7 -48.2 236 70 294.8 294.8 279.1 295.1 0.09 16 342 7777 -54.2 -57.1 71 2.9 -54.2 240 87 297.6 297.6 280.3 297.8 0.05 17 311 8383 -58.7 -61.7 68 3.0 -58.7 245 69 299.5 299.5 281.1 299.6 0.03 18 304 8526 -58.9 -62.0 67 3.1 -58.9 245 63 301.2 301.2 281.9 301.3 0.03 19 300 8610 -58.5 -61.5 68 3.0 -58.5 245 60 302.9 302.9 282.6 303.0 0.03 20 284 8956 -56.5 -59.5 69 3.0 -56.6 247 55 310.5 310.5 285.6 310.7 0.04 21 282 9001 -52.9 -56.2 67 3.3 -53.0 247 54 316.3 316.3 287.6 316.6 0.07 22 256 9626 -51.3 -54.8 66 3.5 -51.4 249 44 327.6 327.6 291.1 327.9 0.09 23 250 9780 -50.7 -54.5 64 3.8 -50.8 250 42 330.7 330.7 292.0 331.1 0.09 24 200 11240 -49.3 -58.3 34 9.0 -49.7 240 33 354.7 354.7 297.7 355.0 0.07 25 197 11339 -47.7 -56.7 35 9.0 -48.1 241 33 358.8 358.8 298.5 359.2 0.09 26 182 11859 -47.7 -59.7 24 12.0 -48.2 243 32 367.0 367.0 300.1 367.3 0.07 27 150 13120 -50.7 -63.7 20 13.0 -51.2 250 29 382.7 382.7 302.7 382.9 0.05 28 133 13904 -52.1 -65.1 20 13.0 -52.5 247 30 393.6 393.6 304.3 393.8 0.05 29 100 15760 -50.9 -64.9 17 14.0 -51.6 240 33 429.4 429.4 308.8 429.7 0.06 30 70 18080 -51.3 -67.3 13 16.0 -52.3 225 17 474.6 474.7 313.1 475.0 0.06 31 50 20260 -52.9 -68.9 13 16.0 -54.0 235 25 518.8 518.8 316.2 519.3 0.07 32 46 20800 -51.9 -67.9 13 16.0 -53.2 224 23 533.7 533.8 317.2 534.3 0.09 33 34 22742 -56.5 -72.5 12 16.0 -57.6 186 17 569.8 569.9 319.2 570.3 0.06 34 33 22932 -56.7 -72.7 12 16.0 -57.8 182 17 574.2 574.2 319.4 574.6 0.06 35 30 23540 -54.3 -70.3 12 16.0 -55.8 170 15 596.6 596.6 320.5 597.3 0.10 36 28 23979 -56.9 -72.9 12 16.0 -58.1 185 16 601.3 601.3 320.7 601.8 0.07 37 27 24209 -56.7 -72.7 12 16.0 -58.0 193 17 608.1 608.1 321.0 608.7 0.08 38 20 26120 -53.9 -70.9 11 17.0 -56.1 260 21 671.2 671.2 323.5 672.3 0.13 39 15 27981 -50.7 -68.7 10 18.0 -54.3 739.4 739.5 325.7 741.6 0.25 TRP 311 8383 -58.7 -61.7 68 3.0 -58.7 245 69 299.5 299.5 281.1 299.6 0.03 WND 342 7777 -54.2 -57.1 71 2.9 -54.2 240 87 297.6 297.6 280.3 297.8 0.05 Sounding variables and indices 1000-500 mb thick: 5226.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 88.30 % Est. max temperature: 7.08 C = 44.75 F Sfc-Lift cond lev (LCL): 925.44 mb = 582.33 m = 1910.52 ft T: -7.30 C 700-500 lapse rate: 7.24 C/km ThetaE index: 0.22 C Layer 935.0- 925.0 mb Conv cond level (CCL): 730.19 mb = 2427.50 m = 7964.15 ft Mean mixing ratio: 2.12 g/kg Conv temperature: 10.45 C = 50.81 F Cap Strength: 13.64 C Lifted Index: 13.51 C Risk: None Lifted Index @300 mb: 17.39 C Lifted Index @700 mb: 9.99 C Showalter Index: 7.19 C Risk: None Total Totals Index: 49.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 24.50 C K Index: 16.20 Risk: < 20 % chance of thunderstorms Sweat Index: 86.00 Risk: None Energy Index: 1.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.68 J/kg Max Up Vert Vel: 6.59 m/s Conv Inhibition (B-): 56610.44 J/kg Cap Strength: 13.60 C Lift Cond Lev (LCL): 892.95 mb = 864.92 m = 2837.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 25 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 ---------------------------------------------------------- 0 972 204 80 9 -8.9 -1.6 | 80 34 -33.6 -5.7 1 925 586 65 21 -19.0 -8.9 | 74 46 -43.8 -13.0 2 850 1254 200 11 3.8 10.3 | 107 22 -21.0 6.2 3 700 2753 230 25 19.2 16.1 | 155 13 -5.6 12.0 4 500 5210 235 54 44.2 31.0 | 216 33 19.5 26.9 5 400 6750 235 66 54.1 37.9 | 221 45 29.3 33.8 6 342 7777 240 87 75.3 43.5 | 232 64 50.6 39.4 7 311 8383 245 69 62.5 29.2 | 236 45 37.8 25.1 8 300 8610 245 60 54.4 25.4 | 234 36 29.6 21.3 9 250 9780 250 42 39.5 14.4 | 235 18 14.7 10.3 10 200 11240 240 33 28.6 16.5 | 197 13 3.8 12.4 11 150 13120 250 29 27.3 9.9 | 203 6 2.5 5.8 12 100 15760 240 33 28.6 16.5 | 197 13 3.8 12.4 13 70 18080 225 17 12.0 12.0 | 122 15 -12.8 7.9 14 50 20260 235 25 20.5 14.3 | 157 11 -4.3 10.2 15 30 23540 170 15 -2.6 14.8 | 111 29 -27.4 10.7 16 20 26120 260 21 20.7 3.6 | 84 4 -4.1 -0.5 Wind Parameters Mean winds (0-6000m): 230.6 at 33.5 knts Storm direction: 260.6 at 25.1 knts Shear (0-3000m) pos: 6.6 neg: 0.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 334.1 neg: -38.8 tot: 295.3 m^2/s^2 ave: 98.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 12.3 stream: 6.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.07 Bulk Shear: 316.57 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 71 16 77 41| 10.7 0.0 10.7| 83.3 -37.6 45.7 91.5 0.18| 19.9 3.5 1000 84 16 82 41| 8.8 0.0 8.8|250.2 -37.7 212.5 212.5 0.41| 24.4 10.1 1500 113 15 93 38| 7.5 0.0 7.5|270.2 -38.8 231.5 154.3 0.43| 18.5 7.9 2000 164 16 111 31| 7.0 0.0 7.0|293.0 -38.8 254.2 127.1 0.47| 15.3 7.2 2500 198 17 121 23| 6.7 0.0 6.7|313.6 -38.8 274.8 109.9 0.50| 13.5 6.8 3000 212 19 128 19| 6.6 0.0 6.6|334.1 -38.8 295.3 98.4 0.54| 12.3 6.6 4000 223 23 144 16| 6.5 0.0 6.5|376.6 -38.8 337.9 84.5 0.57| 10.7 6.1 5000 228 28 166 15| 6.4 0.0 6.4|423.4 -38.8 384.7 76.9 0.56| 9.8 5.5 6000 231 33 184 17| 5.7 0.3 6.0|446.0 -38.8 407.2 67.9 0.54| 8.8 4.8 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20250418.12.gif