UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 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 1009 11 -3.3 -3.9 96 0.6 -3.5 20 3 269.2 269.6 269.1 276.8 2.83 1 1005 42 -1.5 -4.0 83 2.5 -2.4 11 5 271.3 271.7 270.5 278.9 2.82 2 1000 82 -1.7 -3.9 85 2.2 -2.5 360 7 271.5 271.9 270.7 279.2 2.86 3 925 699 -5.3 -8.1 81 2.8 -6.2 15 7 273.9 274.3 271.2 280.1 2.24 4 865 1222 -7.9 -12.1 72 4.2 -9.1 3 10 276.5 276.8 272.0 281.4 1.74 5 850 1358 -9.1 -13.3 72 4.2 -10.2 360 11 276.6 276.9 271.8 281.2 1.61 6 719 2631 -18.3 -22.2 71 3.9 -19.0 334 20 280.1 280.2 272.8 282.7 0.90 7 700 2831 -18.3 -22.3 71 4.0 -19.1 330 21 282.2 282.4 274.0 285.0 0.91 8 668 3177 -20.7 -24.9 69 4.2 -21.4 327 25 283.3 283.5 274.3 285.6 0.76 9 661 3255 -20.7 -25.0 68 4.3 -21.4 327 26 284.2 284.3 274.8 286.5 0.76 10 655 3322 -19.5 -24.2 66 4.7 -20.3 326 27 286.3 286.4 276.0 288.8 0.82 11 614 3799 -20.5 -36.5 23 16.0 -22.5 322 32 290.5 290.5 277.3 291.4 0.27 12 606 3896 -20.9 -38.9 18 18.0 -22.9 321 33 291.1 291.1 277.6 291.8 0.22 13 517 5044 -30.1 -49.1 14 19.0 -31.3 312 47 293.5 293.5 278.5 293.8 0.08 14 500 5280 -31.9 -47.9 19 16.0 -32.9 310 50 294.1 294.2 278.9 294.5 0.10 15 400 6820 -44.1 -51.1 46 7.0 -44.3 305 54 297.7 297.7 280.4 298.0 0.09 16 365 7430 -49.5 -55.5 49 6.0 -49.7 303 55 298.4 298.4 280.7 298.6 0.06 17 348 7742 -51.5 -57.5 49 6.0 -51.6 303 56 299.8 299.8 281.3 299.9 0.05 18 300 8700 -55.5 -60.5 54 5.0 -55.6 300 58 307.1 307.1 284.3 307.3 0.04 19 283 9069 -56.5 -62.5 47 6.0 -56.6 300 64 310.8 310.9 285.7 311.0 0.03 20 254 9750 -57.2 -63.2 46 6.0 -57.3 300 69 319.6 319.6 288.6 319.7 0.03 21 250 9850 -57.3 -63.3 46 6.0 -57.4 295 68 320.9 320.9 289.0 321.0 0.03 22 200 11260 -57.5 -64.5 41 7.0 -57.6 300 56 341.7 341.7 294.8 341.8 0.03 23 171 12254 -57.3 -65.3 36 8.0 -57.5 300 53 357.7 357.7 298.2 357.8 0.03 24 150 13080 -60.3 -68.3 34 8.0 -60.4 300 50 366.2 366.2 299.9 366.3 0.03 25 100 15590 -63.1 -73.1 25 10.0 -63.3 295 50 405.8 405.8 306.0 405.9 0.02 26 70 17750 -69.3 -79.3 22 10.0 -69.4 300 46 436.1 436.1 309.5 436.2 0.01 27 64 18283 -69.3 -79.3 22 10.0 -69.4 300 48 447.4 447.5 310.6 447.5 0.01 28 50 19730 -75.1 -85.1 20 10.0 -75.2 300 52 466.5 466.5 312.4 466.5 0.01 29 43 20596 -79.1 -89.1 18 10.0 -79.1 477.2 477.2 313.2 477.3 0.00 30 33 22096 -80.3 -90.3 17 10.0 -80.4 511.6 511.6 315.8 511.6 0.00 TRP 283 9069 -56.5 -62.5 47 6.0 -56.6 300 64 310.8 310.9 285.7 311.0 0.03 WND 254 9750 -57.2 -63.2 46 6.0 -57.3 300 69 319.6 319.6 288.6 319.7 0.03 Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 54.56 % Est. max temperature: 4.09 C = 39.37 F Sfc-Lift cond lev (LCL): 999.42 mb = 86.55 m = 283.97 ft T: -1.73 C 700-500 lapse rate: 5.55 C/km ThetaE index: 0.23 C Layer 850.0- 719.0 mb Conv cond level (CCL): 877.89 mb = 1106.98 m = 3631.79 ft Mean mixing ratio: 2.51 g/kg Conv temperature: 3.47 C = 38.25 F Cap Strength: 11.95 C Lifted Index: 12.26 C Risk: None Lifted Index @300 mb: 19.48 C Lifted Index @700 mb: 4.59 C Showalter Index: 11.09 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 18.60 C K Index: 5.50 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 2.77 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.55 J/kg Max Up Vert Vel: 3.89 m/s Conv Inhibition (B-): 34317.57 J/kg Cap Strength: 12.27 C Lift Cond Lev (LCL): 921.16 mb = 731.45 m = 2399.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 350 at 20 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 11 20 3 -1.0 -2.8 | 166 18 -4.3 17.0 1 1000 82 360 7 -0.0 -7.0 | 165 13 -3.3 12.8 2 925 699 15 7 -1.8 -6.8 | 159 14 -5.1 13.1 3 850 1358 360 11 -0.0 -11.0 | 159 9 -3.3 8.8 4 700 2831 330 21 10.5 -18.2 | 257 7 7.2 1.6 5 500 5280 310 50 38.3 -32.1 | 289 37 35.0 -12.3 6 400 6820 305 54 44.2 -31.0 | 285 42 40.9 -11.2 7 300 8700 300 58 50.2 -29.0 | 281 48 46.9 -9.2 8 283 9069 300 64 55.4 -32.0 | 283 54 52.1 -12.2 9 254 9750 300 69 59.8 -34.5 | 285 58 56.4 -14.7 10 250 9850 295 68 61.6 -28.7 | 279 59 58.3 -8.9 11 200 11260 300 56 48.5 -28.0 | 280 46 45.2 -8.2 12 150 13080 300 50 43.3 -25.0 | 277 40 40.0 -5.2 13 100 15590 295 50 45.3 -21.1 | 272 42 42.0 -1.3 14 70 17750 300 46 39.8 -23.0 | 275 37 36.5 -3.2 15 50 19730 300 52 45.0 -26.0 | 278 42 41.7 -6.2 Wind Parameters Mean winds (0-6000m): 320.5 at 26.8 knts Storm direction: 350.5 at 20.1 knts Shear (0-3000m) pos: 0.0 neg: 3.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 103.7 deg Storm rel helicity (0-3000m) pos: 16.6 neg: -7.0 tot: 9.6 m^2/s^2 ave: 3.2 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 67.17 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 5 7 163 14| 0.0 4.2 4.2| 0.0 -4.5 -4.5 -8.9 -0.23| 5.6 -1.3 1000 9 7 161 13| 0.0 3.1 3.1| 0.0 -7.0 -7.0 -7.0 -0.24| 4.1 -1.0 1500 5 8 161 12| 0.0 3.2 3.2| 1.5 -7.0 -5.5 -3.6 -0.11| 4.0 -0.5 2000 0 10 162 11| 0.0 3.4 3.4| 5.1 -7.0 -1.8 -0.9 0.06| 4.1 0.2 2500 353 11 167 9| 0.0 3.5 3.5| 10.1 -7.0 3.1 1.2 0.25| 4.2 1.1 3000 346 13 178 7| 0.0 3.7 3.7| 16.6 -7.0 9.6 3.2 0.34| 4.4 1.5 4000 336 17 217 6| 0.0 4.3 4.3| 31.7 -7.0 24.7 6.2 0.35| 4.9 1.7 5000 327 22 260 9| 0.0 4.7 4.7| 33.5 -11.3 22.2 4.4 0.25| 5.3 1.3 6000 320 27 274 14| 0.0 4.4 4.4| 33.5 -30.1 3.4 0.6 0.19| 5.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251204.00.gif