UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103012.upa.cvt Date: 1200Z 30 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 30 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 1009 10 2.2 0.4 88 1.8 1.4 70 5 274.6 275.3 274.1 285.2 3.90 1 1000 82 1.8 -2.2 75 4.0 0.2 75 9 275.0 275.5 273.3 283.9 3.25 2 925 705 -1.5 -7.5 64 6.0 -3.6 65 21 277.8 278.2 273.6 284.4 2.35 3 908 853 -2.5 -8.5 63 6.0 -4.5 58 19 278.2 278.6 273.7 284.5 2.21 4 900 923 -3.1 -9.1 63 6.0 -5.1 55 18 278.3 278.7 273.6 284.3 2.13 5 850 1372 -7.1 -11.7 70 4.6 -8.5 35 13 278.7 279.0 273.4 284.0 1.83 6 802 1822 -11.3 -14.1 80 2.8 -12.1 35 12 278.9 279.2 273.2 283.5 1.60 7 792 1918 -10.1 -12.7 81 2.6 -10.8 35 12 281.2 281.5 274.8 286.4 1.82 8 777 2065 -9.9 -13.5 75 3.6 -10.9 35 12 282.9 283.2 275.6 288.0 1.73 9 700 2866 -12.7 -17.0 70 4.3 -13.8 35 11 288.4 288.7 278.0 292.8 1.44 10 610 3901 -18.1 -26.1 50 8.0 -19.6 33 12 293.8 293.9 279.6 296.2 0.74 11 545 4730 -24.1 -37.1 29 13.0 -25.6 31 12 296.3 296.3 280.1 297.2 0.29 12 500 5350 -29.3 -41.3 30 12.0 -30.3 30 13 297.3 297.4 280.4 298.0 0.21 13 416 6641 -39.1 -47.1 42 8.0 -39.5 46 8 300.8 300.8 281.8 301.2 0.13 14 400 6910 -40.7 -48.7 42 8.0 -41.1 50 7 302.1 302.1 282.4 302.5 0.11 15 300 8810 -53.7 -61.7 37 8.0 -53.8 60 5 309.7 309.7 285.2 309.8 0.03 16 284 9163 -56.7 -63.7 41 7.0 -56.8 62 6 310.2 310.3 285.4 310.3 0.03 17 250 9970 -60.9 -67.9 39 7.0 -61.0 65 7 315.5 315.5 287.3 315.6 0.02 18 246 10070 -61.3 -68.3 39 7.0 -61.4 50 7 316.4 316.4 287.6 316.5 0.02 19 217 10854 -56.1 -63.1 41 7.0 -56.2 343 7 336.0 336.0 293.3 336.1 0.04 20 204 11245 -56.3 -63.3 41 7.0 -56.5 311 7 341.7 341.7 294.7 341.8 0.04 21 200 11370 -55.7 -62.7 41 7.0 -55.8 300 7 344.6 344.6 295.4 344.7 0.04 22 173 12297 -54.3 -62.3 37 8.0 -54.5 287 7 361.5 361.5 299.0 361.7 0.05 23 150 13210 -55.5 -64.5 32 9.0 -55.8 275 7 374.5 374.5 301.4 374.7 0.04 24 100 15770 -58.7 -69.7 23 11.0 -59.0 295 15 414.3 414.3 307.0 414.5 0.03 25 70 18000 -62.5 -75.5 16 13.0 -62.8 290 19 450.7 450.7 310.9 450.8 0.02 26 50 20060 -65.7 -79.7 13 14.0 -66.0 270 21 488.7 488.7 314.1 488.7 0.01 27 30 23130 -69.9 -83.9 11 14.0 -70.1 280 29 554.1 554.1 318.3 554.2 0.01 28 22 24968 -72.7 -86.7 10 14.0 -72.9 265 36 597.1 597.1 320.5 597.2 0.01 29 20 25530 -71.9 -85.9 11 14.0 -72.2 260 38 616.1 616.1 321.3 616.2 0.01 30 10 29600 -73.1 -87.1 10 14.0 -73.5 290 27 746.7 746.7 325.8 746.8 0.02 31 7.6 31210 -72.7 -87.7 9 15.0 -73.3 809.3 809.3 327.5 809.5 0.02 TRP 246 10070 -61.3 -68.3 39 7.0 -61.4 50 7 316.4 316.4 287.6 316.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5268.00 m Freezing level: 959.09 mb = 421.82 m = 1383.90 ft Wetbulb zero: 996.09 mb = 113.31 m = 371.76 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 58.81 % Est. max temperature: 6.20 C = 43.17 F Sfc-Lift cond lev (LCL): 981.12 mb = 234.28 m = 768.63 ft T: 0.99 C 700-500 lapse rate: 6.68 C/km ThetaE index: 1.38 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 859.96 mb = 1280.41 m = 4200.78 ft Mean mixing ratio: 2.78 g/kg Conv temperature: 6.20 C = 43.15 F Cap Strength: 11.10 C Lifted Index: 11.34 C Risk: None Lifted Index @300 mb: 18.06 C Lifted Index @700 mb: 6.91 C Showalter Index: 11.52 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 17.60 C K Index: 6.20 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 2.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.75 J/kg Max Up Vert Vel: 3.94 m/s Conv Inhibition (B-): 67915.28 J/kg Cap Strength: 11.29 C Lift Cond Lev (LCL): 888.09 mb = 1027.41 m = 3370.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 70 at 10 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 1009 10 70 5 -4.7 -1.7 | 251 5 4.3 1.5 1 1000 82 75 9 -8.7 -2.3 | 199 1 0.3 0.9 2 925 705 65 21 -19.0 -8.9 | 61 12 -10.0 -5.7 3 850 1372 35 13 -7.5 -10.6 | 348 8 1.5 -7.4 4 700 2866 35 11 -6.3 -9.0 | 335 6 2.7 -5.8 5 500 5350 30 13 -6.5 -11.3 | 343 8 2.5 -8.0 6 400 6910 50 7 -5.4 -4.5 | 289 4 3.6 -1.3 7 300 8810 60 5 -4.3 -2.5 | 261 5 4.7 0.7 8 250 9970 65 7 -6.3 -3.0 | 264 3 2.7 0.3 9 246 10070 50 7 -5.4 -4.5 | 289 4 3.6 -1.3 10 200 11370 300 7 6.1 -3.5 | 271 15 15.1 -0.3 11 150 13210 275 7 7.0 -0.6 | 261 16 16.0 2.6 12 100 15770 295 15 13.6 -6.3 | 278 23 22.6 -3.1 13 70 18000 290 19 17.9 -6.5 | 277 27 26.9 -3.3 14 50 20060 270 21 21.0 -0.0 | 264 30 30.0 3.2 15 30 23130 280 29 28.6 -5.0 | 273 38 37.6 -1.8 16 20 25530 260 38 37.4 6.6 | 258 47 46.4 9.8 17 10 29600 290 27 25.4 -9.2 | 280 35 34.4 -6.0 Wind Parameters Mean winds (0-6000m): 40.3 at 12.7 knts Storm direction: 70.3 at 9.6 knts Shear (0-3000m) pos: 0.0 neg: 1.3 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 85.1 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -34.3 tot: -34.2 m^2/s^2 ave: -11.4 10^-3 m/s^2 rel: -0.66 Storm rel vorticity (0-3000m) horiz: 5.4 stream: -3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.36 Bulk Shear: 5.71 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 71 12 72 3| 0.0 12.6 12.6| 0.0 -2.8 -2.8 -5.7 -0.53| 14.1 -7.4 1000 65 16 56 6| 0.0 6.5 6.5| 0.0 -18.7 -18.7 -18.7 -0.57| 12.0 -6.8 1500 59 15 41 6| 0.0 3.1 3.1| 0.0 -31.7 -31.7 -21.1 -0.65| 10.2 -6.6 2000 54 15 27 6| 0.0 2.2 2.2| 0.0 -32.6 -32.6 -16.3 -0.66| 7.8 -5.1 2500 50 14 17 6| 0.0 1.6 1.6| 0.0 -33.6 -33.6 -13.5 -0.66| 6.4 -4.2 3000 48 14 10 6| 0.0 1.3 1.3| 0.1 -34.3 -34.2 -11.4 -0.66| 5.4 -3.6 4000 45 13 2 6| 0.0 1.1 1.1| 0.9 -34.3 -33.4 -8.3 -0.63| 4.2 -2.6 5000 42 13 357 6| 0.0 1.0 1.0| 1.6 -34.3 -32.7 -6.5 -0.60| 3.4 -2.1 6000 40 13 353 7| 0.2 0.8 1.0| 1.8 -36.2 -34.4 -5.7 -0.57| 3.1 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251030.12.gif