UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:0000Z 18 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 1009 53 -5.1 -7.1 86 2.0 -5.7 360 7 267.4 267.7 266.9 273.3 2.22 1 1000 123 -5.9 -9.1 78 3.2 -6.8 350 9 267.2 267.6 266.3 272.5 1.92 2 989 209 -7.5 -11.2 75 3.7 -8.5 351 12 266.5 266.8 265.3 271.0 1.64 3 925 723 -10.9 -16.9 61 6.0 -12.2 355 29 268.2 268.3 265.5 271.2 1.10 4 919 773 -11.3 -17.3 61 6.0 -12.6 353 29 268.3 268.4 265.5 271.3 1.07 5 850 1368 -14.9 -20.9 60 6.0 -16.0 325 35 270.5 270.7 266.7 273.0 0.85 6 825 1592 -16.3 -21.3 65 5.0 -17.2 324 36 271.4 271.5 267.3 273.8 0.85 7 700 2799 -25.7 -29.7 69 4.0 -26.2 320 42 274.0 274.1 268.3 275.4 0.46 8 698 2820 -25.7 -29.6 70 3.9 -26.2 320 42 274.2 274.3 268.4 275.7 0.47 9 521 4880 -40.5 -48.5 42 8.0 -40.8 324 49 280.3 280.4 271.5 280.6 0.09 10 500 5160 -41.5 -49.5 42 8.0 -41.8 325 50 282.4 282.5 272.7 282.7 0.08 11 414 6430 -45.3 -53.3 40 8.0 -45.5 330 58 293.2 293.2 278.3 293.4 0.06 12 400 6660 -44.5 -52.5 41 8.0 -44.7 335 58 297.2 297.2 280.2 297.4 0.07 13 340 7746 -44.7 -55.7 28 11.0 -45.1 332 57 311.0 311.0 285.8 311.2 0.06 14 300 8580 -46.3 -59.3 22 13.0 -46.7 330 56 320.1 320.1 288.8 320.3 0.04 15 298 8624 -46.3 -59.3 22 13.0 -46.7 330 56 320.7 320.7 289.0 320.9 0.04 16 250 9800 -43.1 -60.1 14 17.0 -43.8 330 46 342.0 342.0 294.8 342.2 0.05 17 247 9881 -42.7 -60.7 12 18.0 -43.5 330 46 343.8 343.8 295.3 344.0 0.04 18 220 10656 -45.3 -64.3 10 19.0 -46.0 327 46 351.3 351.3 297.0 351.5 0.03 19 200 11290 -45.1 -66.1 8 21.0 -45.9 325 46 361.4 361.4 299.0 361.5 0.03 20 167 12495 -44.3 -66.3 7 22.0 -45.3 322 40 381.8 381.8 302.6 382.0 0.03 21 153 13079 -46.9 -69.9 6 23.0 -47.7 320 37 387.0 387.1 303.3 387.1 0.02 22 150 13210 -45.9 -68.9 6 23.0 -46.9 320 36 391.0 391.0 303.9 391.1 0.02 23 146 13390 -45.3 -68.3 6 23.0 -46.3 319 36 395.0 395.0 304.5 395.2 0.03 24 128 14264 -47.7 -71.7 5 24.0 -48.6 316 36 405.9 405.9 306.0 406.0 0.02 25 109 15329 -46.5 -70.5 5 24.0 -47.7 312 35 427.2 427.2 308.6 427.4 0.03 26 100 15900 -47.5 -71.5 5 24.0 -48.7 310 35 435.9 436.0 309.5 436.1 0.02 27 93 16380 -46.5 -70.5 5 24.0 -47.9 313 32 447.1 447.1 310.6 447.2 0.03 28 77 17624 -49.5 -73.5 4 24.0 -50.7 321 25 465.6 465.6 312.3 465.8 0.02 29 71 18157 -47.9 -71.9 5 24.0 -49.4 324 22 480.0 480.0 313.5 480.2 0.03 30 70 18250 -48.9 -72.9 4 24.0 -50.3 325 21 479.8 479.8 313.4 479.9 0.03 31 65 18736 -49.9 -73.9 4 24.0 -51.2 322 21 487.9 487.9 314.1 488.0 0.03 32 62 19047 -48.3 -72.3 5 24.0 -49.9 320 22 498.0 498.1 314.8 498.3 0.04 33 50 20460 -49.7 -73.7 4 24.0 -51.4 310 23 526.4 526.4 316.7 526.6 0.04 34 44 21293 -51.9 -74.9 5 23.0 -53.4 540.6 540.6 317.6 540.8 0.03 35 40 21912 -50.3 -74.3 4 24.0 -52.2 559.5 559.5 318.6 559.8 0.04 36 32 23366 -51.1 -74.1 5 23.0 -53.2 594.3 594.3 320.3 594.6 0.05 TRP 414 6430 -45.3 -53.3 40 8.0 -45.5 330 58 293.2 293.2 278.3 293.4 0.06 WND Sounding variables and indices 1000-500 mb thick: 5037.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 60.43 % Est. max temperature: -2.23 C = 27.99 F Sfc-Lift cond lev (LCL): 977.45 mb = 299.13 m = 981.39 ft T: -8.10 C 700-500 lapse rate: 6.69 C/km ThetaE index: 2.38 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 851.62 mb = 1353.51 m = 4440.60 ft Mean mixing ratio: 1.42 g/kg Conv temperature: -1.98 C = 28.44 F Cap Strength: 7.70 C Lifted Index: 9.28 C Risk: None Lifted Index @300 mb: 34.54 C Lifted Index @700 mb: 3.69 C Showalter Index: 7.99 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 20.60 C K Index: 1.70 Risk: None Sweat Index: 120.00 Risk: None Energy Index: 2.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.56 J/kg Max Up Vert Vel: 3.02 m/s Conv Inhibition (B-): 52687.61 J/kg Cap Strength: 9.08 C Lift Cond Lev (LCL): 892.57 mb = 995.48 m = 3265.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 at 31 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 1009 53 360 7 -0.0 -7.0 | 175 24 -2.1 23.6 1 1000 123 350 9 1.6 -8.9 | 179 22 -0.6 21.8 2 925 723 355 29 2.5 -28.9 | 193 2 0.4 1.7 3 850 1368 325 35 20.1 -28.7 | 264 18 18.0 2.0 4 700 2799 320 42 27.0 -32.2 | 274 25 24.9 -1.5 5 500 5160 325 50 28.7 -41.0 | 291 28 26.6 -10.3 6 414 6430 330 58 29.0 -50.2 | 306 33 26.9 -19.6 7 400 6660 335 58 24.5 -52.6 | 314 31 22.4 -21.9 8 300 8580 330 56 28.0 -48.5 | 305 31 25.9 -17.9 9 250 9800 330 46 23.0 -39.8 | 294 23 20.9 -9.2 10 200 11290 325 46 26.4 -37.7 | 286 25 24.3 -7.1 11 150 13210 320 36 23.1 -27.6 | 262 21 21.0 3.1 12 100 15900 310 35 26.8 -22.5 | 252 26 24.7 8.1 13 70 18250 325 21 12.0 -17.2 | 216 17 9.9 13.4 14 50 20460 310 23 17.6 -14.8 | 224 22 15.5 15.8 Wind Parameters Mean winds (0-6000m): 326.0 at 40.9 knts Storm direction: 356.0 at 30.7 knts Shear (0-3000m) pos: 0.0 neg: 6.5 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 100.7 deg Storm rel helicity (0-3000m) pos: 43.0 neg: -2.6 tot: 40.4 m^2/s^2 ave: 13.5 10^-3 m/s^2 rel: 0.23 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 106.17 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 ------------------------------------------------------------------------------- 500 353 15 179 16| 0.0 16.9 16.9| 13.4 0.0 13.4 26.7 0.16| 17.2 2.8 1000 351 22 189 9| 0.0 13.2 13.2| 17.6 0.0 17.6 17.6 0.25| 15.9 3.9 1500 341 26 227 9| 0.0 10.5 10.5| 20.1 -2.6 17.5 11.7 0.18| 14.0 2.6 2000 335 29 246 11| 0.0 8.5 8.5| 27.4 -2.6 24.8 12.4 0.20| 11.2 2.3 2500 332 31 255 13| 0.0 7.3 7.3| 34.1 -2.6 31.5 12.6 0.22| 9.5 2.0 3000 329 33 261 15| 0.0 6.5 6.5| 43.0 -2.6 40.4 13.5 0.23| 8.3 1.9 4000 327 36 268 18| 0.5 4.9 5.3| 66.9 -2.6 64.3 16.1 0.28| 6.7 1.9 5000 326 38 274 20| 0.8 3.9 4.7| 92.0 -2.6 89.4 17.9 0.33| 5.8 1.9 6000 326 41 279 21| 1.2 3.2 4.5|139.4 -2.6 136.8 22.8 0.38| 5.4 2.1 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250418.00.gif