UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 30 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1011 52 12.8 -1.2 38 14.0 6.4 225 7 285.1 285.7 279.0 294.9 3.46 1 1000 144 12.0 -2.0 38 14.0 5.8 225 13 285.1 285.7 278.9 294.6 3.30 2 933 718 6.4 -6.6 39 13.0 1.3 225 24 285.1 285.6 277.9 292.4 2.50 3 925 788 5.6 -7.4 39 13.0 0.6 225 25 285.0 285.4 277.6 291.9 2.37 4 850 1470 -1.3 -9.3 54 8.0 -4.1 240 25 284.8 285.2 277.3 291.2 2.22 5 816 1795 -4.1 -10.1 63 6.0 -6.1 242 26 285.2 285.5 277.4 291.5 2.17 6 742 2539 -10.1 -14.2 72 4.1 -11.3 247 29 286.5 286.8 277.4 291.6 1.71 7 709 2891 -10.5 -17.5 56 7.0 -12.3 249 31 289.8 290.0 278.6 293.9 1.36 8 700 2989 -11.5 -18.5 56 7.0 -13.3 250 31 289.7 290.0 278.4 293.6 1.27 9 676 3255 -13.3 -21.3 51 8.0 -15.1 251 32 290.6 290.8 278.6 293.8 1.03 10 573 4485 -23.5 -28.5 63 5.0 -24.2 256 35 292.8 292.9 279.0 294.8 0.64 11 544 4863 -25.5 -29.9 67 4.4 -26.1 257 36 294.8 294.9 279.8 296.7 0.59 12 500 5470 -28.3 -33.3 62 5.0 -28.9 260 38 298.5 298.6 281.4 300.1 0.46 13 442 6341 -33.7 -39.7 55 6.0 -34.2 266 41 302.4 302.5 282.7 303.4 0.27 14 400 7030 -39.9 -44.9 59 5.0 -40.2 270 44 303.1 303.2 282.9 303.8 0.17 15 376 7449 -43.9 -48.9 58 5.0 -44.1 271 45 303.3 303.3 282.8 303.7 0.12 16 301 8909 -54.5 -60.5 47 6.0 -54.6 275 48 308.2 308.2 284.7 308.4 0.04 17 300 8930 -54.5 -60.5 47 6.0 -54.6 275 48 308.5 308.5 284.8 308.7 0.04 18 269 9629 -54.5 -60.5 47 6.0 -54.6 278 47 318.3 318.3 288.2 318.5 0.04 19 250 10100 -52.7 -59.7 42 7.0 -52.9 280 46 327.7 327.7 291.1 327.9 0.05 20 220 10934 -49.3 -58.3 34 9.0 -49.6 269 41 345.2 345.2 295.6 345.4 0.07 21 200 11560 -49.1 -60.1 27 11.0 -49.5 260 38 355.0 355.0 297.7 355.3 0.06 22 150 13440 -48.3 -65.3 12 17.0 -49.0 265 40 386.8 386.8 303.3 387.0 0.04 23 130 14381 -49.5 -69.5 8 20.0 -50.2 261 38 400.8 400.9 305.3 401.0 0.03 24 100 16100 -49.9 -70.9 7 21.0 -50.8 255 35 431.3 431.3 309.0 431.5 0.03 25 93 16573 -49.1 -71.1 6 22.0 -50.1 252 33 441.9 441.9 310.1 442.1 0.03 26 70 18430 -49.1 -73.1 4 24.0 -50.4 240 25 479.3 479.4 313.4 479.5 0.03 27 59 19543 -53.1 -76.1 4 23.0 -54.1 248 20 494.4 494.4 314.5 494.5 0.02 28 50 20610 -53.1 -76.1 4 23.0 -54.3 255 15 518.3 518.3 316.2 518.5 0.02 29 42 21735 -51.7 -74.7 5 23.0 -53.3 250 13 548.3 548.3 318.0 548.6 0.04 30 30 23910 -52.7 -75.7 5 23.0 -54.6 240 9 601.0 601.0 320.7 601.3 0.04 31 26 24834 -52.9 -75.9 5 23.0 -55.0 625.5 625.5 321.7 625.9 0.05 TRP 301 8909 -54.5 -60.5 47 6.0 -54.6 275 48 308.2 308.2 284.7 308.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5326.00 m Freezing level: 864.13 mb = 1341.51 m = 4401.22 ft Wetbulb zero: 915.31 mb = 872.95 m = 2863.97 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 56.68 % Est. max temperature: 12.58 C = 54.64 F Sfc-Lift cond lev (LCL): 817.27 mb = 1782.49 m = 5847.99 ft T: -3.99 C 700-500 lapse rate: 6.77 C/km ThetaE index: 3.69 C Layer 1000.0- 816.0 mb Conv cond level (CCL): 774.23 mb = 2206.07 m = 7237.66 ft Mean mixing ratio: 2.83 g/kg Conv temperature: 13.65 C = 56.58 F Cap Strength: 3.02 C Lifted Index: 5.49 C Risk: None Lifted Index @300 mb: 10.87 C Lifted Index @700 mb: 2.02 C Showalter Index: 7.01 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 19.00 C K Index: 10.70 Risk: None Sweat Index: 155.75 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.73 J/kg Max Up Vert Vel: 3.67 m/s Conv Inhibition (B-): 42483.66 J/kg Cap Strength: 5.31 C Lift Cond Lev (LCL): 783.11 mb = 2116.86 m = 6944.99 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 280 at 23 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 1011 52 225 7 4.9 4.9 | 117 20 -17.5 8.9 1 1000 144 225 13 9.2 9.2 | 135 19 -13.3 13.2 2 925 788 225 25 17.7 17.7 | 168 22 -4.8 21.7 3 850 1470 240 25 21.7 12.5 | 177 16 -0.8 16.5 4 700 2989 250 31 29.1 10.6 | 205 16 6.7 14.6 5 500 5470 260 38 37.4 6.6 | 235 18 15.0 10.6 6 400 7030 270 44 44.0 -0.0 | 260 22 21.5 4.0 7 301 8909 275 48 47.8 -4.2 | 270 25 25.3 -0.2 8 300 8930 275 48 47.8 -4.2 | 270 25 25.3 -0.2 9 250 10100 280 46 45.3 -8.0 | 280 23 22.8 -4.0 10 200 11560 260 38 37.4 6.6 | 235 18 15.0 10.6 11 150 13440 265 40 39.8 3.5 | 247 19 17.4 7.5 12 100 16100 255 35 33.8 9.1 | 221 17 11.3 13.0 13 70 18430 240 25 21.7 12.5 | 177 16 -0.8 16.5 14 50 20610 255 15 14.5 3.9 | 135 11 -8.0 7.9 15 30 23910 240 9 7.8 4.5 | 120 17 -14.7 8.5 Wind Parameters Mean winds (0-6000m): 250.0 at 30.4 knts Storm direction: 280.0 at 22.8 knts Shear (0-3000m) pos: 2.6 neg: 2.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 88.4 deg Storm rel helicity (0-3000m) pos: 139.5 neg: 0.0 tot: 139.5 m^2/s^2 ave: 46.5 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 41.02 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 ------------------------------------------------------------------------------- 500 225 16 143 19| 0.0 14.0 14.0| 67.4 0.0 67.4 134.7 0.98| 14.0 13.8 1000 226 20 155 20| 2.5 7.0 9.6| 96.3 0.0 96.3 96.3 0.92| 10.4 9.6 1500 230 22 161 19| 2.7 4.7 7.3|107.4 0.0 107.4 71.6 0.85| 8.4 7.2 2000 233 23 167 18| 2.6 3.5 6.1|118.0 0.0 118.0 59.0 0.86| 7.0 6.0 2500 237 24 172 17| 2.6 2.8 5.4|128.9 0.0 128.9 51.6 0.88| 6.1 5.3 3000 239 25 177 17| 2.6 2.3 5.0|139.5 0.0 139.5 46.5 0.89| 5.5 4.9 4000 243 27 185 16| 2.4 1.8 4.2|155.0 0.0 155.0 38.8 0.90| 4.6 4.1 5000 247 29 194 16| 2.3 1.4 3.7|171.4 0.0 171.4 34.3 0.90| 4.1 3.7 6000 250 30 203 16| 2.3 1.2 3.5|194.6 0.0 194.6 32.4 0.91| 3.8 3.5 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250430.12.gif