UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 4 DEC 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 1014 4 -2.1 -2.6 96 0.5 -2.3 180 9 270.0 270.5 270.1 278.3 3.11 1 1000 114 -1.7 -4.3 82 2.6 -2.6 180 13 271.5 271.9 270.5 279.0 2.77 2 957 462 -3.9 -7.4 77 3.5 -5.0 183 16 272.7 273.0 270.5 279.0 2.29 3 925 730 -5.7 -8.9 78 3.2 -6.7 185 19 273.5 273.8 270.7 279.3 2.10 4 850 1388 -9.9 -12.9 79 3.0 -10.7 195 11 275.8 276.1 271.4 280.5 1.66 5 801 1844 -12.5 -15.4 79 2.9 -13.2 219 15 277.7 278.0 272.2 281.9 1.44 6 742 2426 -13.7 -15.8 84 2.1 -14.2 251 21 282.6 282.8 275.1 287.0 1.50 7 718 2676 -13.5 -15.4 86 1.9 -14.0 265 23 285.5 285.7 276.7 290.2 1.61 8 700 2869 -14.5 -16.5 85 2.0 -15.0 275 25 286.4 286.7 277.1 290.9 1.50 9 579 4279 -24.1 -27.1 76 3.0 -24.6 283 37 291.2 291.3 278.3 293.4 0.72 10 500 5330 -32.3 -34.9 78 2.6 -32.6 290 46 293.7 293.7 279.1 295.0 0.39 11 400 6860 -44.3 -48.0 66 3.7 -44.5 290 54 297.4 297.4 280.4 297.8 0.12 12 354 7671 -50.9 -54.6 65 3.7 -51.0 295 72 299.1 299.1 281.0 299.3 0.06 13 308 8572 -55.3 -59.1 62 3.9 -55.4 300 93 305.1 305.1 283.5 305.3 0.04 14 300 8740 -56.1 -60.0 61 3.9 -56.2 300 93 306.3 306.3 284.0 306.4 0.04 15 284 9085 -58.9 -63.3 57 4.4 -59.0 300 89 307.1 307.1 284.2 307.2 0.03 16 263 9565 -60.3 -64.7 56 4.4 -60.3 300 83 311.9 311.9 286.0 312.0 0.02 17 250 9880 -60.3 -64.7 56 4.4 -60.3 295 75 316.4 316.4 287.6 316.5 0.03 18 200 11270 -59.9 -64.6 54 4.7 -60.0 300 54 337.9 337.9 293.9 338.0 0.03 19 174 12140 -60.9 -65.9 52 5.0 -61.0 302 52 350.0 350.0 296.7 350.1 0.03 20 150 13070 -58.7 -63.7 52 5.0 -58.8 305 50 368.9 369.0 300.4 369.2 0.05 21 146 13239 -58.5 -63.5 52 5.0 -58.6 305 50 372.2 372.2 301.0 372.4 0.05 22 100 15580 -63.7 -69.7 44 6.0 -63.8 300 44 404.7 404.7 305.9 404.8 0.03 23 70 17740 -68.9 -74.9 42 6.0 -69.0 300 48 437.0 437.0 309.6 437.1 0.02 24 50 19710 -75.5 -81.5 38 6.0 -75.6 300 46 465.6 465.6 312.3 465.6 0.01 25 42 20717 -78.5 -84.5 37 6.0 -78.6 298 47 482.0 482.0 313.6 482.0 0.01 26 30 22630 -81.1 -87.1 36 6.0 -81.1 295 50 523.5 523.6 316.5 523.6 0.01 27 20 24890 -84.3 -90.3 34 6.0 -84.4 285 48 578.1 578.1 319.6 578.2 0.01 28 17 25787 -85.1 -91.1 33 6.0 -85.1 285 45 603.1 603.1 320.7 603.1 0.01 29 12 27721 -81.9 -87.9 35 6.0 -82.0 285 38 677.6 677.6 323.7 677.7 0.01 30 10 28740 -82.5 -88.5 35 6.0 -82.6 285 35 711.6 711.6 324.8 711.7 0.02 31 8.8 29453 -82.9 -88.9 35 6.0 -83.0 736.6 736.6 325.6 736.7 0.02 32 8.6 29583 -78.9 -84.9 37 6.0 -79.1 757.0 757.0 326.1 757.3 0.03 33 8.0 29996 -77.3 -83.3 38 6.0 -77.5 779.2 779.2 326.7 779.6 0.05 TRP 263 9565 -60.3 -64.7 56 4.4 -60.3 300 83 311.9 311.9 286.0 312.0 0.02 WND 308 8572 -55.3 -59.1 62 3.9 -55.4 300 93 305.1 305.1 283.5 305.3 0.04 Sounding variables and indices 1000-500 mb thick: 5216.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 79.78 % Est. max temperature: 3.28 C = 37.91 F Sfc-Lift cond lev (LCL): 1005.96 mb = 66.75 m = 218.99 ft T: -1.87 C 700-500 lapse rate: 7.23 C/km ThetaE index: 0.03 C Layer 957.0- 925.0 mb Conv cond level (CCL): 890.14 mb = 1028.96 m = 3375.82 ft Mean mixing ratio: 2.42 g/kg Conv temperature: 2.47 C = 36.45 F Cap Strength: 11.27 C Lifted Index: 12.39 C Risk: None Lifted Index @300 mb: 19.29 C Lifted Index @700 mb: 8.89 C Showalter Index: 11.22 C Risk: None Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 19.40 C K Index: 7.50 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 3.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.98 J/kg Max Up Vert Vel: 4.69 m/s Conv Inhibition (B-): 58033.24 J/kg Cap Strength: 12.24 C Lift Cond Lev (LCL): 919.75 mb = 774.29 m = 2540.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 21 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 1014 4 180 9 0.0 9.0 | 139 27 -17.7 20.6 1 1000 114 180 13 0.0 13.0 | 144 30 -17.7 24.6 2 925 730 185 19 1.7 18.9 | 152 34 -16.0 30.5 3 850 1388 195 11 2.8 10.6 | 146 27 -14.8 22.2 4 700 2869 275 25 24.9 -2.2 | 218 12 7.2 9.4 5 500 5330 290 46 43.2 -15.7 | 279 26 25.6 -4.2 6 400 6860 290 54 50.7 -18.5 | 282 34 33.1 -6.9 7 308 8572 300 93 80.5 -46.5 | 299 72 62.9 -34.9 8 300 8740 300 93 80.5 -46.5 | 299 72 62.9 -34.9 9 263 9565 300 83 71.9 -41.5 | 299 62 54.2 -29.9 10 250 9880 295 75 68.0 -31.7 | 292 54 50.3 -20.1 11 200 11270 300 54 46.8 -27.0 | 298 33 29.1 -15.4 12 150 13070 305 50 41.0 -28.7 | 306 29 23.3 -17.1 13 100 15580 300 44 38.1 -22.0 | 297 23 20.4 -10.4 14 70 17740 300 48 41.6 -24.0 | 297 27 23.9 -12.4 15 50 19710 300 46 39.8 -23.0 | 297 25 22.2 -11.4 16 30 22630 295 50 45.3 -21.1 | 289 29 27.6 -9.5 17 20 24890 285 48 46.4 -12.4 | 272 29 28.7 -0.8 18 10 28740 285 35 33.8 -9.1 | 261 16 16.1 2.5 Wind Parameters Mean winds (0-6000m): 273.2 at 28.2 knts Storm direction: 303.2 at 21.1 knts Shear (0-3000m) pos: 4.9 neg: 0.0 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 83.7 deg Storm rel helicity (0-3000m) pos: 191.1 neg: -21.2 tot: 169.9 m^2/s^2 ave: 56.6 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.08 Bulk Shear: 134.24 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 ------------------------------------------------------------------------------- 500 181 14 146 31| 8.0 0.0 8.0| 42.4 0.0 42.4 84.8 0.67| 8.1 5.5 1000 184 16 149 32| 3.6 0.0 3.6| 55.7 -6.1 49.6 49.6 0.46| 6.8 3.1 1500 186 15 149 31| 1.7 0.0 1.7| 65.7 -21.2 44.5 29.6 0.28| 6.7 1.9 2000 194 15 151 30| 3.3 0.0 3.3|116.6 -21.2 95.4 47.7 0.47| 7.1 3.4 2500 207 16 158 28| 4.3 0.0 4.3|161.3 -21.2 140.1 56.0 0.56| 7.8 4.4 3000 224 17 166 24| 4.9 0.0 4.9|191.1 -21.2 169.9 56.6 0.61| 8.2 5.0 4000 248 20 184 19| 4.8 0.0 4.8|220.5 -21.2 199.3 49.8 0.65| 7.3 4.8 5000 264 24 205 15| 4.8 0.0 4.8|256.3 -21.2 235.1 47.0 0.66| 6.8 4.5 6000 273 28 226 14| 4.3 0.2 4.6|274.6 -21.2 253.3 42.2 0.64| 6.3 4.0 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251204.12.gif