UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102812.upa.cvt Date: 1200Z 28 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 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 1008 5 4.0 3.6 97 0.4 3.8 135 3 276.5 277.3 276.6 289.8 4.91 1 1000 70 4.0 2.0 87 2.0 3.1 150 7 277.1 277.9 276.2 289.2 4.42 2 963 376 3.4 0.6 82 2.8 2.2 162 13 279.5 280.3 277.2 291.0 4.14 3 925 701 0.8 -2.9 76 3.7 -0.7 175 19 280.1 280.7 276.4 289.5 3.33 4 863 1255 -3.7 -6.2 83 2.5 -4.6 179 16 281.0 281.5 276.1 288.9 2.78 5 850 1375 -3.5 -5.8 84 2.3 -4.4 180 15 282.5 283.0 277.0 290.8 2.91 6 768 2172 -6.3 -9.6 77 3.3 -7.4 193 13 287.8 288.2 279.0 294.8 2.40 7 722 2652 -9.3 -14.3 67 5.0 -10.8 201 12 289.6 289.9 279.0 294.9 1.75 8 700 2890 -10.9 -15.7 68 4.8 -12.2 205 11 290.4 290.7 279.2 295.3 1.61 9 687 3034 -11.5 -16.5 66 5.0 -12.9 206 11 291.3 291.6 279.6 296.0 1.53 10 500 5380 -29.9 -34.5 64 4.6 -30.4 215 17 296.6 296.7 280.4 297.9 0.41 11 485 5596 -31.9 -36.7 62 4.8 -32.4 218 17 296.7 296.8 280.4 297.9 0.34 12 400 6930 -41.5 -47.5 52 6.0 -41.8 235 17 301.1 301.1 282.0 301.5 0.13 13 300 8830 -54.3 -60.3 48 6.0 -54.4 215 17 308.8 308.8 284.9 309.0 0.04 14 292 9002 -55.3 -61.3 47 6.0 -55.4 200 15 309.8 309.8 285.3 309.9 0.03 15 250 9990 -53.9 -59.9 48 6.0 -54.0 200 9 325.9 325.9 290.6 326.1 0.05 16 200 11430 -51.7 -58.7 43 7.0 -52.0 195 13 350.9 350.9 296.9 351.2 0.07 17 198 11495 -51.7 -58.7 43 7.0 -52.0 196 13 351.9 351.9 297.1 352.2 0.07 18 158 12941 -56.5 -64.5 36 8.0 -56.7 215 13 367.2 367.2 300.1 367.4 0.04 19 150 13270 -56.5 -65.5 31 9.0 -56.7 220 13 372.7 372.7 301.1 372.9 0.04 20 100 15820 -60.1 -70.1 26 10.0 -60.3 245 19 411.6 411.6 306.7 411.8 0.03 21 70 18020 -63.1 -74.1 21 11.0 -63.3 265 15 449.4 449.4 310.8 449.5 0.02 22 50 20080 -65.5 -77.5 17 12.0 -65.7 265 19 489.1 489.1 314.2 489.3 0.02 23 30 23140 -69.1 -80.1 19 11.0 -69.4 275 25 556.3 556.3 318.5 556.4 0.02 24 20 25550 -71.3 -83.3 15 12.0 -71.6 270 31 617.9 617.9 321.4 618.1 0.02 25 17 26507 -73.1 -85.1 14 12.0 -73.3 268 31 641.5 641.6 322.4 641.7 0.02 26 11 29090 -68.3 -80.3 16 12.0 -69.0 261 33 744.0 744.1 325.8 744.6 0.06 27 10 29660 -69.7 -81.7 16 12.0 -70.4 260 33 759.4 759.4 326.2 759.8 0.05 28 8.2 30839 -70.9 -82.9 15 12.0 -71.6 799.0 799.0 327.3 799.5 0.05 29 7.0 31788 -66.1 -79.1 15 13.0 -67.5 855.8 855.9 328.5 856.9 0.11 TRP 292 9002 -55.3 -61.3 47 6.0 -55.4 200 15 309.8 309.8 285.3 309.9 0.03 WND Sounding variables and indices 1000-500 mb thick: 5310.00 m Freezing level: 913.98 mb = 799.46 m = 2622.85 ft Wetbulb zero: 934.04 mb = 622.47 m = 2042.19 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 72.19 % Est. max temperature: 9.09 C = 48.36 F Sfc-Lift cond lev (LCL): 1001.74 mb = 55.91 m = 183.41 ft T: 4.00 C 700-500 lapse rate: 7.63 C/km ThetaE index: 2.09 C Layer 925.0- 850.0 mb Conv cond level (CCL): 897.75 mb = 939.66 m = 3082.83 ft Mean mixing ratio: 3.92 g/kg Conv temperature: 8.02 C = 46.44 F Cap Strength: 5.18 C Lifted Index: 6.35 C Risk: None Lifted Index @300 mb: 13.36 C Lifted Index @700 mb: 4.72 C Showalter Index: 5.76 C Risk: None Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 24.10 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 173.70 Risk: None Energy Index: 1.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.94 J/kg Max Up Vert Vel: 5.28 m/s Conv Inhibition (B-): 51628.50 J/kg Cap Strength: 6.24 C Lift Cond Lev (LCL): 916.72 mb = 772.78 m = 2535.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 229 at 11 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 1008 5 135 3 -2.1 2.1 | 65 11 -10.2 -4.8 1 1000 70 150 7 -3.5 6.1 | 86 12 -11.6 -0.9 2 925 701 175 19 -1.7 18.9 | 141 15 -9.7 12.0 3 850 1375 180 15 0.0 15.0 | 135 11 -8.1 8.0 4 700 2890 205 11 4.6 10.0 | 131 5 -3.4 3.0 5 500 5380 215 17 9.8 13.9 | 194 7 1.7 7.0 6 400 6930 235 17 13.9 9.8 | 245 6 5.9 2.8 7 300 8830 215 17 9.8 13.9 | 194 7 1.7 7.0 8 292 9002 200 15 5.1 14.1 | 158 8 -2.9 7.1 9 250 9990 200 9 3.1 8.5 | 107 5 -5.0 1.5 10 200 11430 195 13 3.4 12.6 | 140 7 -4.7 5.6 11 150 13270 220 13 8.4 10.0 | 186 3 0.3 3.0 12 100 15820 245 19 17.2 8.0 | 263 9 9.2 1.1 13 70 18020 265 15 14.9 1.3 | 309 9 6.9 -5.7 14 50 20080 265 19 18.9 1.7 | 296 12 10.9 -5.3 15 30 23140 275 25 24.9 -2.2 | 298 19 16.8 -9.1 16 20 25550 270 31 31.0 -0.0 | 287 24 22.9 -7.0 17 10 29660 260 33 32.5 5.7 | 273 24 24.4 -1.2 Wind Parameters Mean winds (0-6000m): 199.2 at 14.2 knts Storm direction: 229.2 at 10.7 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 70.4 deg Storm rel helicity (0-3000m) pos: 58.5 neg: -5.4 tot: 53.1 m^2/s^2 ave: 17.7 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.34 Bulk Shear: 10.37 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 ------------------------------------------------------------------------------- 500 161 10 104 12| 13.2 0.0 13.2| 41.2 0.0 41.2 82.4 0.98| 13.6 13.2 1000 171 14 124 12| 7.8 0.0 7.8| 57.1 -1.8 55.3 55.3 0.85| 10.0 8.5 1500 174 15 128 12| 4.4 0.0 4.4| 57.4 -4.6 52.8 35.2 0.70| 7.7 5.4 2000 177 14 130 12| 3.1 0.0 3.1| 58.2 -4.6 53.6 26.8 0.65| 6.4 4.1 2500 180 14 131 11| 2.3 0.0 2.3| 58.2 -4.8 53.4 21.4 0.59| 5.6 3.3 3000 183 14 132 10| 1.8 0.0 1.8| 58.5 -5.4 53.1 17.7 0.55| 5.0 2.7 4000 188 13 136 9| 1.7 0.0 1.7| 61.6 -5.4 56.2 14.1 0.58| 4.1 2.3 5000 194 14 143 8| 1.6 0.0 1.6| 65.0 -5.4 59.6 11.9 0.60| 3.5 2.1 6000 199 14 152 7| 1.5 0.0 1.5| 70.5 -5.4 65.1 10.9 0.63| 3.2 2.0 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251028.12.gif