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 U7459... Searching the city database file for: U7459 ... Date:1200Z 18 APR 25 Station: U7459 WMO ident: 27459 Latitude: 56.27 Longitude: 44.00 ------------------------------------------------------------------------------- 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 1000 158 18.2 8.2 52 10.0 12.5 260 1 291.4 292.6 285.7 310.9 6.83 1 925 816 11.8 3.8 58 8.0 7.6 270 13 291.4 292.3 284.2 307.0 5.43 2 896 1081 9.4 3.4 66 6.0 6.3 276 15 291.6 292.5 284.3 307.3 5.45 3 850 1516 6.6 1.7 71 4.9 4.2 285 19 293.1 294.0 284.5 307.9 5.09 4 708 2993 -2.9 -6.0 79 3.1 -4.2 299 8 298.3 298.9 284.8 308.7 3.45 5 700 3083 -2.9 -6.2 78 3.3 -4.3 300 7 299.3 299.9 285.2 309.7 3.43 6 699 3094 -2.9 -6.2 78 3.3 -4.3 300 7 299.4 300.0 285.2 309.8 3.44 7 588 4449 -9.7 -19.7 44 10.0 -12.5 308 4 306.7 306.9 285.7 311.1 1.36 8 580 4555 -10.5 -21.5 40 11.0 -13.5 308 4 306.9 307.1 285.6 310.8 1.18 9 500 5680 -19.1 -26.1 54 7.0 -20.5 315 1 309.8 309.9 286.3 312.8 0.91 10 442 6586 -26.1 -34.1 47 8.0 -27.2 337 4 312.0 312.1 286.6 313.7 0.48 11 419 6970 -29.5 -37.5 46 8.0 -30.4 347 6 312.5 312.5 286.6 313.8 0.36 12 400 7300 -32.3 -40.3 45 8.0 -33.1 355 7 313.0 313.1 286.8 314.0 0.28 13 350 8221 -40.5 -47.5 47 7.0 -40.9 348 8 314.1 314.2 287.0 314.7 0.15 14 300 9250 -48.1 -57.1 35 9.0 -48.4 340 9 317.6 317.6 288.0 317.8 0.06 15 255 10304 -56.5 -66.5 27 10.0 -56.6 353 9 320.2 320.3 288.8 320.3 0.02 16 250 10430 -57.1 -67.1 27 10.0 -57.2 355 9 321.2 321.2 289.1 321.2 0.02 17 223 11144 -61.5 -71.5 25 10.0 -61.6 25 13 325.1 325.1 290.3 325.1 0.01 18 209 11545 -62.1 -72.1 25 10.0 -62.2 1 17 330.2 330.2 291.8 330.3 0.01 19 200 11820 -57.1 -67.1 27 10.0 -57.3 345 19 342.3 342.3 294.9 342.4 0.02 20 186 12280 -56.9 -67.9 24 11.0 -57.1 336 22 349.8 349.8 296.6 349.9 0.02 21 164 13085 -53.7 -65.7 22 12.0 -54.0 321 26 368.0 368.0 300.2 368.2 0.03 22 150 13660 -53.3 -67.3 17 14.0 -53.7 310 29 378.2 378.2 302.0 378.4 0.03 23 138 14196 -54.1 -69.1 14 15.0 -54.5 386.0 386.0 303.2 386.1 0.03 TRP 223 11144 -61.5 -71.5 25 10.0 -61.6 25 13 325.1 325.1 290.3 325.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5522.01 m Freezing level: 751.35 mb = 2541.99 m = 8339.75 ft Wetbulb zero: 779.16 mb = 2219.03 m = 7280.19 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 61.56 % Est. max temperature: 19.91 C = 67.84 F Sfc-Lift cond lev (LCL): 861.34 mb = 1406.68 m = 4615.05 ft T: 7.30 C 700-500 lapse rate: 6.24 C/km ThetaE index: 3.85 C Layer 925.0- 896.0 mb Conv cond level (CCL): 790.93 mb = 2097.96 m = 6882.98 ft Mean mixing ratio: 5.95 g/kg Conv temperature: 22.00 C = 71.61 F Cap Strength: 4.34 C Lifted Index: 4.17 C Risk: None Lifted Index @300 mb: 6.64 C Lifted Index @700 mb: 1.94 C Showalter Index: 4.55 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 20.80 C K Index: 24.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 59.40 Risk: None Energy Index: 1.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.54 J/kg Max Up Vert Vel: 1.04 m/s Conv Inhibition (B-): 5271.26 J/kg Cap Strength: 4.32 C Lift Cond Lev (LCL): 835.43 mb = 1655.65 m = 5431.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 318 at 6 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 1000 158 260 1 1.0 0.2 | 148 5 -2.9 4.6 1 925 816 270 13 13.0 -0.0 | 244 10 9.1 4.4 2 850 1516 285 19 18.4 -4.9 | 272 14 14.5 -0.5 3 700 3083 300 7 6.1 -3.5 | 248 2 2.2 0.9 4 500 5680 315 1 0.7 -0.7 | 139 5 -3.2 3.7 5 400 7300 355 7 0.6 -7.0 | 52 4 -3.3 -2.6 6 300 9250 340 9 3.1 -8.5 | 11 4 -0.8 -4.1 7 250 10430 355 9 0.8 -9.0 | 34 6 -3.1 -4.6 8 223 11144 25 13 -5.5 -11.8 | 52 12 -9.4 -7.4 9 200 11820 345 19 4.9 -18.4 | 356 14 1.0 -14.0 10 150 13660 310 29 22.2 -18.6 | 308 23 18.3 -14.3 Wind Parameters Mean winds (0-6000m): 288.5 at 7.8 knts Storm direction: 318.5 at 5.9 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 97.8 deg Storm rel helicity (0-3000m) pos: 37.1 neg: -1.9 tot: 35.2 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.41 Bulk Shear: 1.32 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 ------------------------------------------------------------------------------- 500 270 6 200 5| 9.4 0.0 9.4| 12.1 0.0 12.1 24.2 0.90| 9.5 8.5 1000 272 10 234 7| 7.7 0.0 7.7| 24.7 0.0 24.7 24.7 0.83| 8.0 6.6 1500 277 12 251 9| 5.8 0.0 5.8| 36.2 0.0 36.2 24.1 0.80| 6.9 5.5 2000 281 13 258 9| 3.4 0.0 3.4| 37.1 0.0 37.1 18.6 0.68| 6.2 4.2 2500 283 13 260 9| 1.9 0.0 1.9| 37.1 -0.6 36.5 14.6 0.57| 5.8 3.3 3000 284 12 260 8| 1.0 0.0 1.0| 37.1 -1.9 35.2 11.7 0.46| 5.4 2.5 4000 286 11 258 7| 0.5 0.0 0.5| 37.1 -2.8 34.3 8.6 0.37| 4.4 1.6 5000 288 9 251 5| 0.2 0.0 0.2| 37.1 -3.6 33.5 6.7 0.31| 3.7 1.2 6000 288 8 242 4| 0.2 0.0 0.2| 37.1 -4.4 32.7 5.5 0.27| 3.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//U7459/skewt/U7459.skewt.20250418.12.gif