UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 2 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 1002 4 -1.9 -2.4 96 0.5 -2.1 90 5 271.1 271.6 270.9 279.7 3.19 1 1000 20 -2.1 -3.2 92 1.1 -2.5 90 5 271.0 271.5 270.7 279.2 3.01 2 925 637 -4.7 -7.3 82 2.6 -5.5 100 9 274.5 274.9 271.8 281.1 2.38 3 850 1301 -8.5 -11.5 79 3.0 -9.4 80 7 277.2 277.6 272.6 282.5 1.86 4 700 2786 -15.7 -18.7 78 3.0 -16.4 270 7 285.1 285.3 276.0 288.8 1.25 5 694 2851 -16.3 -19.2 78 2.9 -16.9 269 8 285.1 285.3 276.0 288.8 1.21 6 628 3600 -18.1 -21.0 78 2.9 -18.7 260 16 291.3 291.5 279.0 294.9 1.14 7 500 5260 -30.5 -34.0 71 3.5 -30.9 240 35 295.9 295.9 280.1 297.3 0.43 8 470 5696 -33.7 -37.3 70 3.6 -34.0 239 39 297.2 297.2 280.6 298.3 0.33 9 400 6800 -43.7 -47.3 67 3.6 -43.9 235 50 298.2 298.2 280.7 298.7 0.13 10 342 7829 -53.4 -56.8 66 3.4 -53.4 225 71 298.7 298.7 280.8 298.9 0.05 11 325 8154 -56.5 -59.9 65 3.4 -56.6 230 71 298.8 298.8 280.8 298.9 0.04 12 300 8660 -57.3 -60.9 63 3.6 -57.3 240 68 304.6 304.6 283.3 304.7 0.04 13 250 9820 -55.3 -59.3 61 4.0 -55.4 255 50 323.9 323.9 290.0 324.1 0.05 14 224 10524 -54.1 -58.5 58 4.4 -54.2 260 47 336.0 336.0 293.4 336.3 0.06 15 200 11250 -55.1 -59.7 57 4.6 -55.2 265 44 345.5 345.5 295.7 345.8 0.06 16 150 13080 -57.1 -63.1 46 6.0 -57.3 270 35 371.7 371.7 300.9 371.9 0.05 17 100 15630 -60.5 -68.5 34 8.0 -60.7 280 36 410.8 410.8 306.6 411.0 0.04 18 70 17810 -67.7 -75.7 31 8.0 -67.8 285 33 439.5 439.6 309.8 439.7 0.02 19 50 19810 -71.9 -79.9 29 8.0 -72.0 290 44 474.1 474.1 313.0 474.1 0.01 20 41 20971 -76.1 -84.1 27 8.0 -76.2 290 43 491.3 491.3 314.3 491.3 0.01 21 30 22760 -79.9 -88.9 21 9.0 -80.0 290 42 526.8 526.8 316.7 526.8 0.00 22 28 23151 -79.5 -88.5 21 9.0 -79.6 538.4 538.4 317.4 538.5 0.01 TRP 325 8154 -56.5 -59.9 65 3.4 -56.6 230 71 298.8 298.8 280.8 298.9 0.04 WND 342 7829 -53.4 -56.8 66 3.4 -53.4 225 71 298.7 298.7 280.8 298.9 0.05 Sounding variables and indices 1000-500 mb thick: 5240.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 78.36 % Est. max temperature: 4.17 C = 39.51 F Sfc-Lift cond lev (LCL): 994.07 mb = 67.11 m = 220.17 ft T: -2.30 C 700-500 lapse rate: 5.98 C/km ThetaE index: 0.51 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 884.28 mb = 990.55 m = 3249.79 ft Mean mixing ratio: 2.61 g/kg Conv temperature: 2.97 C = 37.35 F Cap Strength: 11.00 C Lifted Index: 13.07 C Risk: None Lifted Index @300 mb: 17.15 C Lifted Index @700 mb: 6.66 C Showalter Index: 11.43 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 19.00 C K Index: 7.50 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.29 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 40186.66 J/kg Cap Strength: 13.06 C Lift Cond Lev (LCL): 921.71 mb = 664.95 m = 2181.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 13 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 1002 4 90 5 -5.0 0.0 | 90 18 -17.8 -0.1 1 1000 20 90 5 -5.0 0.0 | 90 18 -17.8 -0.1 2 925 637 100 9 -8.9 1.6 | 94 22 -21.6 1.5 3 850 1301 80 7 -6.9 -1.2 | 86 20 -19.7 -1.3 4 700 2786 270 7 7.0 -0.0 | 89 6 -5.8 -0.1 5 500 5260 240 35 30.3 17.5 | 225 25 17.5 17.4 6 400 6800 235 50 41.0 28.7 | 225 40 28.2 28.6 7 342 7829 225 71 50.2 50.2 | 217 63 37.4 50.1 8 325 8154 230 71 54.4 45.6 | 222 62 41.6 45.5 9 300 8660 240 68 58.9 34.0 | 234 57 46.1 33.9 10 250 9820 255 50 48.3 12.9 | 250 38 35.5 12.9 11 200 11250 265 44 43.8 3.8 | 263 31 31.0 3.7 12 150 13080 270 35 35.0 -0.0 | 270 22 22.2 -0.1 13 100 15630 280 36 35.5 -6.3 | 286 24 22.7 -6.3 14 70 17810 285 33 31.9 -8.5 | 294 21 19.1 -8.6 15 50 19810 290 44 41.3 -15.0 | 298 32 28.6 -15.1 16 30 22760 290 42 39.5 -14.4 | 298 30 26.7 -14.5 Wind Parameters Mean winds (0-6000m): 239.6 at 17.0 knts Storm direction: 269.6 at 12.8 knts Shear (0-3000m) pos: 0.6 neg: 3.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 6.3 deg Storm rel helicity (0-3000m) pos: 14.6 neg: -56.2 tot: -41.6 m^2/s^2 ave: -13.9 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 5.2 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 68.12 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 95 7 91 19| 3.4 0.0 3.4| 5.4 0.0 5.4 10.8 0.32| 3.4 1.1 1000 96 7 92 20| 1.7 0.7 2.3| 7.1 -8.8 -1.7 -1.7 -0.04| 3.0 -0.1 1500 91 7 90 20| 1.1 1.9 3.0| 7.1 -28.9 -21.8 -14.5 -0.41| 3.5 -1.4 2000 79 7 86 20| 0.8 3.0 3.8| 7.1 -52.6 -45.5 -22.8 -0.54| 4.4 -2.4 2500 77 7 85 20| 0.7 3.0 3.7| 8.7 -56.2 -47.5 -19.0 -0.40| 4.9 -2.0 3000 88 7 89 20| 0.6 3.0 3.6| 14.6 -56.2 -41.6 -13.9 -0.20| 5.2 -1.0 4000 247 9 129 6| 0.4 3.7 4.1| 17.4 -56.2 -38.8 -9.7 -0.03| 5.4 -0.2 5000 243 13 166 6| 0.3 4.0 4.4| 17.4 -64.9 -47.5 -9.5 -0.06| 5.6 -0.3 6000 240 17 193 9| 0.3 4.2 4.5| 18.2 -71.2 -53.0 -8.8 -0.06| 5.6 -0.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251202.00.gif