UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for U9231... Searching the city database file for: U9231 ... Date:0000Z 19 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 1018 80 -3.7 -10.7 58 7.0 -5.7 140 3 268.1 268.3 266.4 272.6 1.66 1 1000 221 -1.9 -9.9 54 8.0 -4.3 145 3 271.2 271.5 268.8 276.2 1.80 2 966 497 1.6 -9.4 44 11.0 -2.1 147 5 277.5 277.8 272.9 283.0 1.94 3 925 845 0.2 -11.8 40 12.0 -3.6 150 7 279.5 279.8 273.6 284.3 1.67 4 852 1502 1.0 -15.0 29 16.0 -4.0 160 9 287.0 287.2 277.3 291.2 1.40 5 850 1521 0.8 -15.2 29 16.0 -4.1 160 9 287.0 287.2 277.2 291.1 1.38 6 705 3000 -7.9 -29.9 15 22.0 -12.2 165 19 293.1 293.2 278.9 294.6 0.45 7 700 3055 -7.7 -29.7 15 22.0 -12.1 165 19 294.0 294.0 279.3 295.5 0.46 8 686 3212 -7.3 -32.3 12 25.0 -12.1 165 20 296.1 296.2 280.1 297.3 0.37 9 619 4003 -11.9 -36.9 11 25.0 -15.9 163 23 299.7 299.7 281.5 300.6 0.26 10 560 4761 -16.5 -40.5 11 24.0 -19.7 162 27 302.9 303.0 282.8 303.6 0.20 11 500 5600 -23.1 -44.1 13 21.0 -25.3 160 31 304.9 304.9 283.5 305.4 0.15 12 492 5718 -24.7 -44.7 14 20.0 -26.6 160 32 304.3 304.4 283.3 304.8 0.15 13 400 7200 -34.1 -51.1 16 17.0 -35.1 165 40 310.7 310.7 285.7 311.0 0.09 14 336 8402 -41.9 -57.9 16 16.0 -42.5 168 42 315.9 315.9 287.5 316.1 0.05 15 300 9160 -47.7 -62.7 16 15.0 -48.1 170 44 318.1 318.1 288.2 318.2 0.03 16 264 9992 -53.5 -68.5 14 15.0 -53.7 174 43 321.5 321.5 289.2 321.5 0.01 17 250 10340 -55.5 -69.5 16 14.0 -55.7 175 42 323.6 323.6 289.9 323.6 0.01 18 200 11730 -61.9 -75.9 14 14.0 -62.0 200 35 334.7 334.7 293.0 334.8 0.01 19 194 11918 -63.1 -77.1 13 14.0 -63.2 200 33 335.7 335.7 293.3 335.8 0.01 20 155 13314 -57.9 -71.9 15 14.0 -58.1 222 28 366.9 366.9 300.0 366.9 0.01 21 150 13520 -57.9 -71.9 15 14.0 -58.1 225 27 370.3 370.3 300.7 370.4 0.02 22 100 16070 -60.7 -74.7 14 14.0 -60.9 270 13 410.4 410.5 306.6 410.5 0.02 23 91 16657 -60.1 -74.1 14 14.0 -60.4 274 14 422.9 422.9 308.0 423.0 0.02 24 70 18290 -61.1 -76.1 12 15.0 -61.4 285 15 453.7 453.7 311.2 453.8 0.02 25 50 20370 -62.1 -78.1 10 16.0 -62.5 300 17 497.1 497.1 314.8 497.3 0.02 26 45 21021 -62.7 -78.7 10 16.0 -63.1 305 17 510.9 510.9 315.7 511.0 0.02 27 30 23530 -61.7 -78.7 9 17.0 -62.4 325 19 576.4 576.4 319.5 576.6 0.03 28 20 26040 -58.1 -76.1 8 18.0 -59.6 330 21 658.3 658.4 323.0 658.8 0.06 29 13 28760 -57.3 -77.3 6 20.0 -59.6 305 19 747.4 747.5 325.9 748.1 0.08 30 10 30440 -52.1 -73.1 6 21.0 -56.5 290 17 825.1 825.2 327.9 827.1 0.19 31 9.4 30842 -50.9 -73.9 5 23.0 -56.0 844.4 844.5 328.3 846.3 0.18 TRP 194 11918 -63.1 -77.1 13 14.0 -63.2 200 33 335.7 335.7 293.3 335.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5379.00 m Freezing level: Surface below freezing Freezing level: 981.54 mb = 370.97 m = 1217.09 ft Freezing level: 836.67 mb = 1656.97 m = 5436.17 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 21.76 % Est. max temperature: 13.60 C = 56.48 F Sfc-Lift cond lev (LCL): 911.31 mb = 964.22 m = 3163.42 ft T: 0.35 C 700-500 lapse rate: 6.05 C/km ThetaE index: 0.07 C Layer 850.0- 705.0 mb Conv cond level (CCL): 553.85 mb = 4842.69 m = 15887.91 ft Mean mixing ratio: 1.80 g/kg Conv temperature: 31.54 C = 88.77 F Cap Strength: 19.63 C Lifted Index: 20.18 C Risk: None Lifted Index @300 mb: 26.46 C Lifted Index @700 mb: 14.37 C Showalter Index: 12.27 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 7.90 C K Index: -13.30 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.19 J/kg Max Up Vert Vel: 9.40 m/s Conv Inhibition (B-): 64852.60 J/kg Cap Strength: 20.19 C Lift Cond Lev (LCL): 823.65 mb = 1769.93 m = 5806.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 191 at 14 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 1018 80 140 3 -1.9 2.3 | 22 12 -4.6 -11.3 1 1000 221 145 3 -1.7 2.5 | 22 12 -4.4 -11.1 2 925 845 150 7 -3.5 6.1 | 40 10 -6.2 -7.5 3 850 1521 160 9 -3.1 8.5 | 49 8 -5.8 -5.1 4 700 3055 165 19 -4.9 18.4 | 122 9 -7.6 4.8 5 500 5600 160 31 -10.6 29.1 | 139 20 -13.3 15.6 6 400 7200 165 40 -10.4 38.6 | 152 28 -13.1 25.1 7 300 9160 170 44 -7.6 43.3 | 161 32 -10.3 29.8 8 250 10340 175 42 -3.7 41.8 | 167 29 -6.4 28.3 9 200 11730 200 35 12.0 32.9 | 206 21 9.3 19.3 10 194 11918 200 33 11.3 31.0 | 206 19 8.6 17.4 11 150 13520 225 27 19.1 19.1 | 251 17 16.4 5.5 12 100 16070 270 13 13.0 -0.0 | 323 17 10.3 -13.6 13 70 18290 285 15 14.5 -3.9 | 326 21 11.8 -17.4 14 50 20370 300 17 14.7 -8.5 | 331 25 12.0 -22.1 15 30 23530 325 19 10.9 -15.6 | 344 30 8.2 -29.1 16 20 26040 330 21 10.5 -18.2 | 346 33 7.8 -31.7 17 10 30440 290 17 16.0 -5.8 | 326 23 13.3 -19.4 Wind Parameters Mean winds (0-6000m): 161.3 at 18.4 knts Storm direction: 191.3 at 13.8 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 100.2 deg Storm rel helicity (0-3000m) pos: 31.2 neg: -0.3 tot: 30.9 m^2/s^2 ave: 10.3 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.53 Bulk Shear: 28.95 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 ------------------------------------------------------------------------------- 500 146 4 25 11| 2.4 0.0 2.4| 5.5 -0.3 5.2 10.4 0.70| 2.6 1.8 1000 149 5 31 11| 2.5 0.0 2.5| 10.7 -0.3 10.4 10.4 0.74| 2.6 1.9 1500 153 6 35 10| 2.3 0.0 2.3| 13.3 -0.3 13.0 8.7 0.70| 2.4 1.7 2000 156 7 40 9| 2.6 0.0 2.6| 19.3 -0.3 19.0 9.5 0.79| 2.6 2.1 2500 158 9 48 8| 2.7 0.0 2.7| 25.2 -0.3 24.9 10.0 0.83| 2.8 2.3 3000 160 10 58 7| 2.8 0.0 2.8| 31.2 -0.3 30.9 10.3 0.84| 2.9 2.4 4000 162 13 80 7| 2.1 0.6 2.7| 37.3 -0.3 37.0 9.3 0.75| 2.8 2.1 5000 162 16 100 8| 1.7 1.0 2.7| 42.4 -0.3 42.1 8.4 0.66| 2.7 1.8 6000 161 18 114 9| 1.7 1.0 2.7| 54.1 -0.3 53.8 9.0 0.61| 2.7 1.7 Wrote GIF file: /home/apache/climate/data/raob//U9231/skewt/U9231.skewt.20251019.00.gif