UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100812.upa.cvt Date: 1200Z 8 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:1200Z 8 OCT 25 Station: U9231 WMO ident: 29231 Latitude: 58.30 Longitude: 82.88 ------------------------------------------------------------------------------- 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 1019 73 0.0 -6.0 64 6.0 -2.1 170 5 271.7 272.1 270.1 278.2 2.39 1 1000 223 -1.1 -5.5 72 4.4 -2.6 170 5 272.0 272.5 270.5 279.0 2.53 2 925 837 -6.3 -7.5 91 1.2 -6.7 175 7 272.9 273.3 270.7 279.3 2.35 3 850 1492 -11.3 175 9 274.3 4 839 1591 -11.9 177 9 274.7 5 766 2281 -15.1 191 10 278.5 6 733 2613 -15.1 198 11 282.0 7 700 2958 -17.3 205 11 283.3 8 500 5400 -34.1 260 13 291.5 9 400 6930 -42.5 285 15 299.8 10 349 7839 -49.3 290 17 302.5 11 300 8820 -54.5 295 19 308.5 12 279 9282 -56.5 300 21 312.1 13 250 9980 -54.3 310 23 325.3 14 216 10922 -51.5 313 24 343.6 15 200 11420 -52.1 315 25 350.3 16 150 13290 -52.5 320 27 379.6 17 118 14837 -53.7 404.4 TRP 279 9282 -56.5 300 21 312.1 WND Sounding variables and indices 1000-500 mb thick: 5177.00 m Freezing level: 1019.00 mb = 72.71 m = 238.56 ft Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 78.94 % Est. max temperature: 2.27 C = 36.08 F Sfc-Lift cond lev (LCL): 927.66 mb = 814.40 m = 2671.88 ft T: -6.11 C 700-500 lapse rate: 6.88 C/km ThetaE index: 10278.34 C Layer 850.0--66188687651123427803136.0 mb Conv cond level (CCL): 894.82 mb = 1093.91 m = 3588.91 ft Mean mixing ratio: 2.29 g/kg Conv temperature: 1.77 C = 35.18 F Cap Strength: 6.35 C Lifted Index: 10.88 C Risk: None Lifted Index @300 mb: 21.18 C Lifted Index @700 mb: 6.35 C Showalter Index: 14.07 C Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.78 J/kg Max Up Vert Vel: 2.36 m/s Conv Inhibition (B-): 15697.51 J/kg Cap Strength: 10.61 C Lift Cond Lev (LCL): 909.39 mb = 968.86 m = 3178.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 at 8 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 1019 73 170 5 -0.9 4.9 | 105 9 -8.3 2.2 1 1000 223 170 5 -0.9 4.9 | 105 9 -8.3 2.2 2 925 837 175 7 -0.6 7.0 | 118 9 -8.0 4.3 3 850 1492 175 9 -0.8 9.0 | 127 10 -8.2 6.3 4 700 2958 205 11 4.6 10.0 | 159 8 -2.8 7.3 5 500 5400 260 13 12.8 2.3 | 274 5 5.4 -0.4 6 400 6930 285 15 14.5 -3.9 | 313 10 7.1 -6.6 7 300 8820 295 19 17.2 -8.0 | 318 15 9.8 -10.7 8 279 9282 300 21 18.2 -10.5 | 321 17 10.8 -13.2 9 250 9980 310 23 17.6 -14.8 | 330 20 10.2 -17.5 10 200 11420 315 25 17.7 -17.7 | 333 23 10.3 -20.4 11 150 13290 320 27 17.4 -20.7 | 337 25 9.9 -23.4 Wind Parameters Mean winds (0-6000m): 220.2 at 10.5 knts Storm direction: 250.2 at 7.9 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 57.1 deg Storm rel helicity (0-3000m) pos: 21.6 neg: 0.0 tot: 21.6 m^2/s^2 ave: 7.2 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 8.64 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 ------------------------------------------------------------------------------- 500 171 5 108 9| 1.2 0.0 1.2| 2.6 0.0 2.6 5.3 0.97| 1.2 1.2 1000 173 6 113 9| 1.4 0.0 1.4| 6.1 0.0 6.1 6.1 0.93| 1.4 1.3 1500 174 7 117 9| 1.4 0.0 1.4| 9.4 0.0 9.4 6.3 0.89| 1.5 1.3 2000 176 8 122 9| 1.3 0.0 1.3| 13.7 0.0 13.7 6.8 0.89| 1.6 1.4 2500 181 8 126 9| 1.3 0.0 1.3| 17.7 0.0 17.7 7.1 0.89| 1.7 1.5 3000 185 9 132 9| 1.3 0.0 1.3| 21.6 0.0 21.6 7.2 0.89| 1.7 1.5 4000 196 9 142 8| 1.3 0.0 1.3| 28.2 0.0 28.2 7.1 0.88| 1.9 1.7 5000 208 10 155 7| 1.3 0.0 1.3| 34.3 0.0 34.3 6.9 0.91| 2.0 1.8 6000 220 11 173 5| 1.3 0.0 1.3| 40.0 0.0 40.0 6.7 0.89| 2.1 1.8 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251008.12.gif