UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 16 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 ------------------------------------------------------------------------------- 0 1000 30 250 3 SFC 998 47 9.6 6.0 78 3.6 7.8 250 3 282.9 283.9 281.0 299.2 5.88 2 957 395 8.2 0.2 57 8.0 4.5 258 16 284.9 285.6 279.7 296.4 4.05 3 925 676 5.6 -2.4 56 8.0 2.1 265 27 285.0 285.6 279.0 294.9 3.46 4 850 1356 -0.9 -4.8 75 3.9 -2.4 280 35 285.2 285.7 278.7 294.2 3.14 5 848 1375 -1.3 -5.0 76 3.7 -2.7 280 35 285.0 285.5 278.6 293.9 3.10 6 781 2027 -5.1 -7.8 81 2.7 -6.1 278 36 287.7 288.2 279.4 295.6 2.72 7 753 2313 -6.1 -9.0 80 2.9 -7.1 277 37 289.6 290.1 280.1 297.2 2.57 8 700 2880 -10.5 -15.5 67 5.0 -11.9 275 38 290.9 291.1 279.4 295.8 1.63 9 684 3057 -11.9 -17.9 61 6.0 -13.5 273 39 291.2 291.5 279.3 295.4 1.37 10 648 3468 -13.9 -18.4 69 4.5 -15.0 268 41 293.5 293.7 280.3 297.8 1.38 11 500 5390 -25.5 -30.5 63 5.0 -26.2 245 52 301.9 302.1 283.0 304.0 0.60 12 495 5463 -25.9 -30.9 63 5.0 -26.6 245 52 302.3 302.4 283.1 304.3 0.59 13 400 6970 -38.5 -43.5 59 5.0 -38.8 250 62 305.0 305.0 283.7 305.7 0.20 14 396 7039 -38.9 -43.9 59 5.0 -39.2 250 62 305.3 305.3 283.8 306.0 0.20 15 354 7795 -46.9 -51.9 57 5.0 -47.1 255 66 304.5 304.5 283.3 304.8 0.09 16 311 8646 -51.3 -57.3 49 6.0 -51.4 260 71 309.8 309.8 285.3 310.0 0.05 17 300 8880 -50.7 -56.7 49 6.0 -50.8 260 73 313.9 313.9 286.8 314.1 0.06 18 276 9423 -50.0 -56.4 47 6.5 -50.1 255 77 322.5 322.5 289.6 322.8 0.07 19 250 10070 -49.1 -56.1 44 7.0 -49.3 260 66 333.1 333.1 292.6 333.4 0.08 20 209 11249 -46.3 -56.3 31 10.0 -46.8 260 48 355.0 355.0 297.8 355.3 0.09 21 200 11540 -47.1 -58.1 27 11.0 -47.6 260 44 358.2 358.2 298.4 358.5 0.07 22 177 12343 -50.5 -62.5 23 12.0 -50.9 273 45 365.3 365.4 299.8 365.6 0.05 23 150 13430 -47.3 -61.3 19 14.0 -48.0 290 46 388.6 388.6 303.6 388.9 0.07 24 141 13840 -46.5 -61.5 17 15.0 -47.3 291 43 396.9 396.9 304.8 397.2 0.07 25 100 16090 -52.3 -69.3 11 17.0 -52.9 295 29 426.7 426.7 308.5 426.9 0.03 26 92 16629 -51.5 -68.5 11 17.0 -52.2 299 27 438.6 438.6 309.7 438.8 0.04 27 86 17064 -53.1 -70.1 11 17.0 -53.8 301 26 443.9 443.9 310.3 444.1 0.04 28 72 18216 -49.7 -67.7 10 18.0 -50.8 309 22 474.2 474.2 313.0 474.6 0.06 29 70 18400 -50.5 -68.5 10 18.0 -51.6 310 21 476.3 476.4 313.2 476.7 0.05 30 57 19737 -52.7 -70.7 10 18.0 -53.8 313 14 500.2 500.2 315.0 500.5 0.05 31 50 20590 -50.1 -69.1 9 19.0 -51.7 315 9 525.4 525.4 316.6 525.9 0.07 32 40 22051 -49.5 -69.5 8 20.0 -51.5 341 12 561.5 561.6 318.8 562.1 0.08 33 37 22559 -51.9 -71.9 7 20.0 -53.6 350 13 568.0 568.1 319.1 568.5 0.06 34 30 23920 -51.7 -72.7 6 21.0 -53.8 15 15 603.7 603.7 320.8 604.2 0.07 35 27 24602 -49.9 -70.9 7 21.0 -52.5 15 17 627.2 627.3 321.8 628.0 0.10 36 20 26550 -51.1 -73.1 6 22.0 -54.1 15 23 679.8 679.8 323.8 680.6 0.10 37 16 27995 -52.9 -74.9 5 22.0 -55.9 718.7 718.7 325.0 719.5 0.09 38 13 29347 -48.9 -70.9 6 22.0 -53.7 776.5 776.6 326.7 778.5 0.21 TRP 311 8646 -51.3 -57.3 49 6.0 -51.4 260 71 309.8 309.8 285.3 310.0 0.05 WND 276 9423 -50.0 -56.4 47 6.5 -50.1 255 77 322.5 322.5 289.6 322.8 0.07 Sounding variables and indices 1000-500 mb thick: 5360.00 m Freezing level: 860.38 mb = 1261.85 m = 4139.86 ft Wetbulb zero: 890.06 mb = 985.65 m = 3233.73 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 68.43 % Est. max temperature: 11.66 C = 52.99 F Sfc-Lift cond lev (LCL): 944.83 mb = 500.96 m = 1643.55 ft T: 7.22 C 700-500 lapse rate: 5.98 C/km ThetaE index: 5.32 C Layer 957.0- 781.0 mb Conv cond level (CCL): 848.62 mb = 1368.92 m = 4491.15 ft Mean mixing ratio: 4.14 g/kg Conv temperature: 11.73 C = 53.12 F Cap Strength: 2.08 C Lifted Index: 6.12 C Risk: None Lifted Index @300 mb: 12.56 C Lifted Index @700 mb: 1.14 C Showalter Index: 7.59 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 20.70 C K Index: 14.80 Risk: None Sweat Index: 122.00 Risk: None Energy Index: 1.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.12 J/kg Max Up Vert Vel: 4.03 m/s Conv Inhibition (B-): 63382.42 J/kg Cap Strength: 5.93 C Lift Cond Lev (LCL): 854.40 mb = 1314.51 m = 4312.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 30 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 ---------------------------------------------------------- 0 998 47 250 3 2.8 1.0 | 116 27 -24.6 12.1 1 925 676 265 27 26.9 2.4 | 178 13 -0.5 13.5 2 850 1356 280 35 34.5 -6.1 | 235 9 7.0 5.0 3 700 2880 275 38 37.9 -3.3 | 233 13 10.4 7.8 4 500 5390 245 52 47.1 22.0 | 211 39 19.7 33.1 5 400 6970 250 62 58.3 21.2 | 224 45 30.8 32.3 6 311 8646 260 71 69.9 12.3 | 241 49 42.5 23.4 7 300 8880 260 73 71.9 12.7 | 242 50 44.5 23.8 8 276 9423 255 77 74.4 19.9 | 237 56 47.0 31.0 9 250 10070 260 66 65.0 11.5 | 239 44 37.6 22.6 10 200 11540 260 44 43.3 7.6 | 220 25 15.9 18.7 11 150 13430 290 46 43.2 -15.7 | 286 16 15.8 -4.6 12 100 16090 295 29 26.3 -12.3 | 44 2 -1.1 -1.2 13 70 18400 310 21 16.1 -13.5 | 78 12 -11.3 -2.4 14 50 20590 315 9 6.4 -6.4 | 103 22 -21.1 4.7 15 30 23920 15 15 -3.9 -14.5 | 84 31 -31.3 -3.4 16 20 26550 15 23 -6.0 -22.2 | 72 35 -33.4 -11.1 Wind Parameters Mean winds (0-6000m): 262.0 at 39.4 knts Storm direction: 292.0 at 29.6 knts Shear (0-3000m) pos: 5.6 neg: 0.9 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 115.4 deg Storm rel helicity (0-3000m) pos: 126.7 neg: -2.2 tot: 124.6 m^2/s^2 ave: 41.5 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 7.1 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 96.50 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 ------------------------------------------------------------------------------- 500 263 12 130 20| 19.7 0.0 19.7| 81.0 0.0 81.0 162.0 0.77| 19.9 15.3 1000 267 20 150 14| 14.7 0.0 14.7|114.3 0.0 114.3 114.3 0.81| 15.6 12.7 1500 272 25 166 11| 11.2 0.0 11.2|126.7 -0.0 126.7 84.5 0.82| 12.4 10.2 2000 274 28 181 9| 8.4 0.4 8.8|126.7 -0.1 126.6 63.3 0.79| 9.7 7.7 2500 275 30 193 9| 6.7 0.6 7.3|126.7 -0.4 126.3 50.5 0.76| 8.0 6.1 3000 275 31 202 9| 5.6 0.9 6.6|126.7 -2.2 124.6 41.5 0.70| 7.1 5.0 4000 272 34 213 12| 4.2 2.0 6.2|126.7 -18.4 108.4 27.1 0.50| 6.7 3.4 5000 267 37 215 16| 3.4 2.7 6.1|126.7 -54.3 72.5 14.5 0.34| 6.5 2.2 6000 262 39 215 20| 3.1 2.6 5.7|165.0 -70.3 94.7 15.8 0.33| 6.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250416.12.gif