UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U8445... Searching the city database file for: U8445 ... Date:1200Z 17 APR 25 Station: U8445 WMO ident: 28445 Latitude: 56.73 Longitude: 61.07 ------------------------------------------------------------------------------- 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 166 SFC 985 289 4.2 -7.8 41 12.0 -0.1 295 9 278.6 278.9 273.8 284.7 2.15 2 972 396 1.2 -9.8 44 11.0 -2.4 299 13 276.6 276.9 272.2 281.9 1.87 3 925 792 -2.1 -11.1 50 9.0 -4.9 315 29 277.2 277.5 272.4 282.2 1.77 4 850 1456 -7.1 -13.1 62 6.0 -8.8 340 35 278.7 279.0 273.1 283.4 1.64 5 836 1584 -7.7 -13.7 62 6.0 -9.4 337 38 279.4 279.7 273.5 284.0 1.59 6 814 1789 -9.9 -15.9 61 6.0 -11.4 331 42 279.2 279.4 273.0 283.2 1.36 7 700 2916 -22.7 -26.9 69 4.2 -23.3 300 68 277.3 277.4 270.7 279.2 0.60 8 671 3226 -23.9 -28.2 68 4.3 -24.5 304 68 279.4 279.5 271.8 281.1 0.56 9 573 4371 -26.9 -35.9 42 9.0 -27.8 318 69 288.8 288.8 276.5 289.8 0.31 10 534 4875 -30.5 -44.5 24 14.0 -31.5 324 69 290.3 290.4 277.0 290.8 0.14 11 500 5340 -33.5 -48.5 21 15.0 -34.3 330 69 292.2 292.2 277.9 292.5 0.09 12 458 5948 -36.9 -53.9 16 17.0 -37.6 332 68 295.4 295.4 279.3 295.6 0.05 13 455 5993 -38.3 -55.3 15 17.0 -38.9 332 68 294.2 294.2 278.8 294.3 0.05 14 406 6769 -40.1 -57.1 15 17.0 -40.7 335 66 301.6 301.6 282.1 301.7 0.04 15 400 6870 -40.7 -58.7 13 18.0 -41.3 335 66 302.1 302.1 282.3 302.2 0.03 16 389 7059 -41.7 -59.7 12 18.0 -42.2 335 77 303.2 303.2 282.7 303.4 0.03 17 382 7182 -42.3 -60.3 12 18.0 -42.8 304.0 304.0 283.0 304.1 0.03 18 377 7272 -40.1 -58.1 13 18.0 -40.8 308.0 308.1 284.7 308.2 0.04 19 367 7455 -42.3 -60.3 12 18.0 -42.8 307.5 307.5 284.4 307.6 0.03 TRP WND 389 7059 -41.7 -59.7 12 18.0 -42.2 335 77 303.2 303.2 282.7 303.4 0.03 Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: 954.91 mb = 540.08 m = 1771.89 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 52.35 % Est. max temperature: 5.04 C = 41.07 F Sfc-Lift cond lev (LCL): 817.56 mb = 1755.60 m = 5759.77 ft T: -9.54 C 700-500 lapse rate: 4.46 C/km ThetaE index: 4.82 C Layer 814.0- 671.0 mb Conv cond level (CCL): 785.95 mb = 2051.10 m = 6729.24 ft Mean mixing ratio: 1.81 g/kg Conv temperature: 4.48 C = 40.07 F Cap Strength: 7.39 C Lifted Index: 8.55 C Risk: None Lifted Index @700 mb: -1.80 C Showalter Index: 7.73 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 20.40 C K Index: 9.10 Risk: None Sweat Index: 139.00 Risk: None Energy Index: 1.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.89 J/kg Max Up Vert Vel: 8.71 m/s Conv Inhibition (B-): 61.62 J/kg Cap Strength: 8.40 C Lift Cond Lev (LCL): 804.81 mb = 1873.91 m = 6147.93 ft Lev Free Conv (LFC): 749.81 mb = 2402.58 m = 7882.37 ft Equ Level (EL): 659.81 mb = 3347.48 m = 10982.42 ft B at Equ Level: 36.54 J/kg Max Parcel Lev (MPL): 609.81 mb = 3919.16 m = 12857.97 ft Wind level data Storm motion: 349 at 43 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 ---------------------------------------------------------- 0 985 289 295 9 8.2 -3.8 | 180 38 -0.2 37.9 1 925 792 315 29 20.5 -20.5 | 210 24 12.2 21.2 2 850 1456 340 35 12.0 -32.9 | 202 10 3.6 8.8 3 700 2916 300 68 58.9 -34.0 | 261 51 50.6 7.7 4 500 5340 330 69 34.5 -59.8 | 305 32 26.2 -18.0 5 400 6870 335 66 27.9 -59.8 | 313 27 19.6 -18.1 Wind Parameters Mean winds (0-6000m): 318.7 at 56.7 knts Storm direction: 348.7 at 42.5 knts Shear (0-3000m) pos: 5.2 neg: 6.8 tot: 12.0 10-3/s Storm rel Dir Shear (0-3000m): 86.7 deg Storm rel helicity (0-3000m) pos: 237.2 neg: -38.0 tot: 199.2 m^2/s^2 ave: 66.4 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 15.2 stream: 5.1 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.20 Bulk Shear: 191.90 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 ------------------------------------------------------------------------------- 500 310 19 192 30| 21.2 0.0 21.2|134.7 0.0 134.7 269.5 0.77| 21.6 16.7 1000 319 25 199 24| 13.9 0.0 13.9|138.4 -2.2 136.2 136.2 0.50| 16.6 8.4 1500 327 29 204 19| 9.3 3.2 12.4|160.5 -4.3 156.2 104.2 0.52| 15.5 8.1 2000 325 34 219 18| 7.0 6.1 13.1|183.4 -4.3 179.2 89.6 0.46| 15.8 7.3 2500 318 39 235 22| 5.6 8.2 13.8|183.9 -25.4 158.5 63.4 0.33| 16.4 5.5 3000 314 44 244 26| 5.2 6.8 12.0|237.2 -38.0 199.2 66.4 0.33| 15.2 5.1 4000 313 50 255 30| 5.2 5.1 10.3|376.2 -38.0 338.3 84.6 0.40| 13.3 5.4 5000 315 54 264 30| 5.3 4.1 9.4|498.0 -38.0 460.0 92.0 0.46| 12.2 5.6 6000 319 57 272 29| 4.5 3.4 8.0|524.4 -38.0 486.4 81.1 0.47| 10.5 5.0 Wrote GIF file: /home/apache/climate/data/raob//U8445/skewt/U8445.skewt.20250417.12.gif