UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102800.upa.cvt Date: 0000Z 28 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 28 OCT 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1005 10 2.2 1.7 96 0.5 2.0 135 5 275.0 275.7 274.9 286.6 4.30 1 1000 50 2.0 0.9 92 1.1 1.5 135 7 275.1 275.8 274.7 286.2 4.08 2 986 164 2.0 -0.3 85 2.3 1.0 134 8 276.3 276.9 274.9 286.6 3.79 3 980 213 3.6 1.6 87 2.0 2.7 134 8 278.4 279.1 276.9 290.4 4.38 4 925 679 0.4 -1.7 86 2.1 -0.4 130 13 279.7 280.3 276.6 289.9 3.65 5 850 1354 -2.3 -4.6 84 2.3 -3.2 125 19 283.7 284.3 278.0 292.8 3.19 6 789 1942 -5.9 -9.8 74 3.9 -7.2 148 15 286.0 286.4 278.0 292.7 2.30 7 726 2587 -11.7 -14.0 83 2.3 -12.3 174 11 286.5 286.8 277.6 291.8 1.78 8 713 2725 -10.1 -14.3 71 4.2 -11.3 179 10 289.8 290.1 279.1 295.1 1.77 9 700 2867 -11.5 -15.7 71 4.2 -12.6 185 9 289.7 290.0 278.9 294.6 1.61 10 688 2999 -11.7 -16.7 66 5.0 -13.0 183 10 291.0 291.2 279.3 295.5 1.50 11 545 4745 -22.7 -26.2 73 3.5 -23.3 152 19 297.9 298.1 281.6 300.6 0.83 12 542 4785 -22.9 -26.7 71 3.8 -23.5 151 20 298.2 298.3 281.6 300.7 0.79 13 500 5370 -27.9 -34.9 51 7.0 -28.7 140 23 299.0 299.1 281.5 300.3 0.39 14 466 5871 -31.9 -39.9 45 8.0 -32.6 137 27 300.1 300.2 281.8 301.0 0.25 15 400 6930 -39.7 -46.7 47 7.0 -40.1 130 36 303.4 303.4 283.0 303.9 0.14 16 300 8840 -53.5 -59.5 48 6.0 -53.6 115 56 309.9 309.9 285.4 310.1 0.04 17 268 9559 -59.1 -65.1 46 6.0 -59.2 110 45 311.9 311.9 286.1 312.0 0.02 18 266 9607 -59.3 -65.3 46 6.0 -59.4 110 44 312.3 312.3 286.2 312.4 0.02 19 250 10000 -55.5 -61.5 47 6.0 -55.6 115 38 323.6 323.6 289.9 323.7 0.04 20 211 11086 -52.1 -58.1 48 6.0 -52.3 180 17 344.9 345.0 295.6 345.2 0.07 21 200 11430 -53.5 -59.5 48 6.0 -53.7 200 11 348.0 348.1 296.3 348.3 0.06 22 150 13270 -57.1 -64.1 41 7.0 -57.3 250 11 371.7 371.7 300.9 371.9 0.05 23 100 15810 -61.1 -69.1 34 8.0 -61.3 265 15 409.7 409.7 306.5 409.9 0.03 24 70 18010 -64.1 -73.1 28 9.0 -64.3 255 17 447.3 447.3 310.6 447.4 0.03 25 50 20060 -66.3 -75.3 27 9.0 -66.5 280 19 487.2 487.3 314.0 487.4 0.03 26 30 23120 -69.9 -78.9 26 9.0 -70.1 280 23 554.1 554.1 318.3 554.3 0.03 27 25 24202 -71.1 -80.1 25 9.0 -71.3 580.3 580.3 319.7 580.5 0.03 28 24 24442 -74.3 -83.3 24 9.0 -74.5 577.8 577.8 319.6 577.9 0.02 TRP 266 9607 -59.3 -65.3 46 6.0 -59.4 110 44 312.3 312.3 286.2 312.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5320.00 m Freezing level: 913.89 mb = 779.00 m = 2555.74 ft Wetbulb zero: 932.80 mb = 611.23 m = 2005.32 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 74.90 % Est. max temperature: 10.71 C = 51.28 F Sfc-Lift cond lev (LCL): 997.17 mb = 72.87 m = 239.07 ft T: 2.00 C 700-500 lapse rate: 6.55 C/km ThetaE index: 1.03 C Layer 789.0- 713.0 mb Conv cond level (CCL): 870.51 mb = 1163.69 m = 3817.83 ft Mean mixing ratio: 3.92 g/kg Conv temperature: 9.85 C = 49.73 F Cap Strength: 8.72 C Lifted Index: 8.76 C Risk: None Lifted Index @300 mb: 14.62 C Lifted Index @700 mb: 4.53 C Showalter Index: 6.21 C Risk: None Total Totals Index: 48.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.60 C Cross Totals Index: 23.30 C K Index: 16.80 Risk: < 20 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 1.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.67 J/kg Max Up Vert Vel: 6.11 m/s Conv Inhibition (B-): 43454.57 J/kg Cap Strength: 8.78 C Lift Cond Lev (LCL): 925.36 mb = 675.89 m = 2217.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 173 at 12 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 1005 10 135 5 -3.5 3.5 | 15 9 -2.1 -8.3 1 1000 50 135 7 -4.9 4.9 | 27 8 -3.6 -6.9 2 850 1354 125 19 -15.6 10.9 | 86 14 -14.2 -0.9 3 700 2867 185 9 0.8 9.0 | 323 4 2.2 -2.9 4 500 5370 140 23 -14.8 17.6 | 113 15 -13.4 5.8 5 400 6930 130 36 -27.6 23.1 | 113 29 -26.2 11.3 6 300 8840 115 56 -50.8 23.7 | 103 51 -49.4 11.8 7 266 9607 110 44 -41.3 15.0 | 95 40 -40.0 3.2 8 250 10000 115 38 -34.4 16.1 | 97 33 -33.1 4.2 9 200 11430 200 11 3.8 10.3 | 286 5 5.1 -1.5 10 150 13270 250 11 10.3 3.8 | 305 14 11.7 -8.1 11 100 15810 265 15 14.9 1.3 | 303 19 16.3 -10.5 12 70 18010 255 17 16.4 4.4 | 293 19 17.8 -7.4 13 50 20060 280 19 18.7 -3.3 | 307 25 20.1 -15.1 14 30 23120 280 23 22.7 -4.0 | 303 29 24.0 -15.8 Wind Parameters Mean winds (0-6000m): 143.3 at 15.9 knts Storm direction: 173.3 at 11.9 knts Shear (0-3000m) pos: 2.2 neg: 1.9 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): -56.1 deg Storm rel helicity (0-3000m) pos: 33.7 neg: -1.2 tot: 32.5 m^2/s^2 ave: 10.8 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.62 Bulk Shear: 7.13 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 ------------------------------------------------------------------------------- 500 133 9 41 8| 0.0 6.4 6.4| 12.5 0.0 12.5 25.0 0.96| 6.5 6.2 1000 130 11 57 9| 0.0 5.6 5.6| 21.3 0.0 21.3 21.3 0.87| 5.6 4.9 1500 128 13 68 10| 0.8 3.7 4.6| 29.6 0.0 29.6 19.7 0.75| 5.4 4.1 2000 131 14 74 10| 1.6 2.8 4.4| 33.6 0.0 33.6 16.8 0.60| 5.8 3.5 2500 135 14 76 9| 2.2 2.2 4.5| 33.7 -0.5 33.1 13.3 0.43| 5.8 2.5 3000 137 13 75 8| 2.2 1.9 4.1| 33.7 -1.2 32.5 10.8 0.32| 5.5 1.8 4000 146 13 80 6| 1.7 2.3 3.9| 33.7 -2.2 31.4 7.9 0.19| 5.0 0.9 5000 146 14 89 6| 1.3 2.6 3.9| 33.7 -7.5 26.2 5.2 0.10| 4.8 0.5 6000 143 16 96 8| 1.1 2.9 4.0| 35.4 -11.9 23.5 3.9 0.07| 4.8 0.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251028.00.gif