UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100900.upa.cvt Date: 0000Z 9 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 9 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 1017 77 -1.3 -2.6 91 1.3 -1.8 100 1 270.5 271.1 270.5 278.9 3.10 1 1000 211 -2.1 -3.4 91 1.3 -2.6 105 1 271.0 271.5 270.6 279.1 2.97 2 925 827 -6.5 -8.1 88 1.6 -7.0 125 3 272.7 273.0 270.4 278.8 2.24 3 850 1483 -10.5 -12.3 87 1.8 -11.0 130 3 275.1 275.4 271.2 280.1 1.75 4 790 2039 -14.9 -16.7 86 1.8 -15.3 136 5 276.3 276.5 271.1 280.0 1.31 5 750 2431 -14.9 -16.8 85 1.9 -15.3 140 6 280.4 280.6 273.7 284.4 1.37 6 700 2948 -17.3 -19.2 85 1.9 -17.7 145 7 283.3 283.5 275.0 286.9 1.19 7 639 3624 -21.3 -23.5 82 2.2 -21.7 153 8 286.3 286.4 276.2 289.0 0.90 8 500 5380 -35.3 -39.3 67 4.0 -35.6 175 11 290.0 290.0 277.1 290.8 0.25 9 467 5855 -39.5 -43.7 64 4.2 -39.7 183 12 290.5 290.5 277.2 291.1 0.17 10 431 6405 -42.1 -46.2 64 4.1 -42.3 192 12 293.9 294.0 278.8 294.4 0.14 11 400 6910 -45.3 -52.3 45 7.0 -45.5 200 13 296.1 296.1 279.7 296.4 0.08 12 347 7848 -51.5 -61.5 29 10.0 -51.7 222 14 300.0 300.0 281.4 300.1 0.03 13 319 8394 -53.3 -63.3 29 10.0 -53.5 235 15 304.8 304.8 283.4 304.9 0.02 14 300 8790 -53.5 -64.5 25 11.0 -53.7 240 17 309.9 309.9 285.3 310.0 0.02 15 250 9970 -50.7 -64.7 17 14.0 -51.0 270 19 330.7 330.7 291.9 330.8 0.03 16 209 11134 -49.9 -63.9 18 14.0 -50.3 290 22 349.3 349.3 296.5 349.5 0.03 17 200 11420 -50.3 -65.3 15 15.0 -50.7 295 23 353.1 353.1 297.3 353.2 0.03 18 150 13290 -53.1 -70.1 11 17.0 -53.5 330 27 378.6 378.6 302.1 378.7 0.02 19 148 13376 -53.3 -70.3 11 17.0 -53.7 379.7 379.7 302.2 379.8 0.02 TRP 319 8394 -53.3 -63.3 29 10.0 -53.5 235 15 304.8 304.8 283.4 304.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5169.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 82.39 % Est. max temperature: 2.75 C = 36.94 F Sfc-Lift cond lev (LCL): 996.36 mb = 239.83 m = 786.85 ft T: -2.31 C 700-500 lapse rate: 7.40 C/km ThetaE index: 0.23 C Layer 925.0- 850.0 mb Conv cond level (CCL): 935.99 mb = 733.71 m = 2407.15 ft Mean mixing ratio: 2.64 g/kg Conv temperature: 0.59 C = 33.06 F Cap Strength: 7.86 C Lifted Index: 9.45 C Risk: None Lifted Index @300 mb: 21.95 C Lifted Index @700 mb: 6.12 C Showalter Index: 8.57 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 23.00 C K Index: 10.60 Risk: None Sweat Index: 17.00 Risk: None Energy Index: 2.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.82 J/kg Max Up Vert Vel: 3.69 m/s Conv Inhibition (B-): 10907.90 J/kg Cap Strength: 9.37 C Lift Cond Lev (LCL): 945.50 mb = 653.77 m = 2144.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 190 at 5 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 1017 77 100 1 -1.0 0.2 | 21 5 -1.9 -4.9 1 1000 211 105 1 -1.0 0.3 | 21 5 -1.9 -4.8 2 925 827 125 3 -2.5 1.7 | 45 5 -3.3 -3.3 3 850 1483 130 3 -2.3 1.9 | 45 4 -3.2 -3.1 4 700 2948 145 7 -4.0 5.7 | 98 5 -4.9 0.7 5 500 5380 175 11 -1.0 11.0 | 163 6 -1.8 5.9 6 400 6910 200 13 4.4 12.2 | 206 8 3.6 7.2 7 319 8394 235 15 12.3 8.6 | 253 12 11.4 3.5 8 300 8790 240 17 14.7 8.5 | 256 14 13.8 3.4 9 250 9970 270 19 19.0 -0.0 | 286 19 18.1 -5.1 10 200 11420 295 23 20.8 -9.7 | 307 25 20.0 -14.8 11 150 13290 330 27 13.5 -23.4 | 336 31 12.6 -28.4 Wind Parameters Mean winds (0-6000m): 159.9 at 6.9 knts Storm direction: 189.9 at 5.1 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): 80.2 deg Storm rel helicity (0-3000m) pos: 8.2 neg: 0.0 tot: 8.2 m^2/s^2 ave: 2.7 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 1.2 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.43 Bulk Shear: 4.77 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 ------------------------------------------------------------------------------- 500 111 1 26 5| 1.3 0.0 1.3| 1.7 0.0 1.7 3.3 0.94| 1.3 1.3 1000 121 2 34 5| 1.1 0.0 1.1| 2.8 0.0 2.8 2.8 0.92| 1.2 1.1 1500 124 2 38 5| 0.8 0.0 0.8| 3.1 0.0 3.1 2.1 0.88| 0.9 0.8 2000 128 3 43 5| 1.0 0.0 1.0| 4.8 0.0 4.8 2.4 0.92| 1.1 1.0 2500 132 3 50 4| 1.1 0.0 1.1| 6.5 0.0 6.5 2.6 0.94| 1.1 1.1 3000 136 4 58 4| 1.1 0.0 1.1| 8.2 0.0 8.2 2.7 0.95| 1.2 1.1 4000 143 5 73 4| 1.1 0.0 1.1| 11.4 0.0 11.4 2.8 0.96| 1.2 1.2 5000 152 6 92 4| 1.1 0.0 1.1| 15.1 0.0 15.1 3.0 0.96| 1.2 1.2 6000 160 7 113 4| 1.0 0.0 1.0| 20.4 0.0 20.4 3.4 0.96| 1.3 1.3 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251009.00.gif