UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 18 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 1004 10 3.6 1.2 84 2.4 2.5 225 5 276.4 277.1 275.5 287.8 4.15 1 1000 42 3.8 0.6 80 3.2 2.4 235 7 277.0 277.6 275.6 287.9 3.99 2 996 75 4.2 0.1 75 4.1 2.4 238 7 277.7 278.3 275.8 288.3 3.86 3 970 289 2.2 -2.8 69 5.0 0.2 256 10 277.8 278.3 274.9 286.7 3.20 4 925 669 -1.5 -5.5 74 4.0 -3.0 290 15 277.8 278.2 274.2 285.4 2.74 5 877 1090 -5.5 -8.3 81 2.8 -6.4 296 18 277.9 278.3 273.7 284.4 2.33 6 850 1335 -7.3 -10.3 79 3.0 -8.2 300 19 278.5 278.8 273.6 284.3 2.05 7 725 2557 -15.1 -19.3 70 4.2 -16.0 296 21 282.9 283.1 274.7 286.3 1.14 8 700 2821 -17.5 -22.1 67 4.6 -18.4 295 21 283.1 283.3 274.5 285.9 0.93 9 574 4268 -30.5 -34.4 69 3.9 -30.9 316 17 284.4 284.5 274.3 285.5 0.36 10 533 4793 -32.3 -36.3 67 4.0 -32.7 323 16 288.3 288.4 276.3 289.4 0.32 11 500 5240 -36.1 -39.9 68 3.8 -36.4 330 15 289.0 289.1 276.6 289.8 0.24 12 400 6750 -48.1 -51.9 65 3.8 -48.2 335 17 292.5 292.5 278.0 292.8 0.08 13 398 6783 -48.5 -52.3 65 3.8 -48.6 333 17 292.4 292.4 278.0 292.6 0.08 14 372 7226 -50.5 -54.1 66 3.6 -50.6 310 19 295.4 295.4 279.4 295.7 0.07 15 339 7831 -51.5 -55.0 66 3.5 -51.6 301 20 302.0 302.0 282.3 302.3 0.06 16 337 7869 -51.7 -55.4 64 3.7 -51.8 301 20 302.3 302.3 282.4 302.5 0.06 17 309 8436 -48.7 -53.0 61 4.3 -48.8 293 21 314.0 314.1 286.9 314.4 0.09 18 300 8630 -50.1 -54.4 60 4.3 -50.3 290 21 314.7 314.8 287.1 315.0 0.08 19 250 9820 -48.9 -53.9 56 5.0 -49.1 270 17 333.4 333.4 292.7 333.8 0.10 20 237 10171 -48.9 -54.9 50 6.0 -49.1 268 17 338.5 338.5 294.0 338.9 0.09 21 216 10787 -43.9 -50.9 46 7.0 -44.3 263 17 355.3 355.4 297.9 356.1 0.16 22 200 11300 -46.9 -53.9 45 7.0 -47.3 260 17 358.5 358.5 298.5 359.0 0.13 23 196 11434 -47.9 -54.9 44 7.0 -48.3 258 17 359.0 359.0 298.6 359.5 0.11 24 150 13200 -47.5 -57.5 31 10.0 -48.1 225 13 388.2 388.2 303.6 388.7 0.11 25 148 13288 -47.3 -57.3 31 10.0 -47.9 226 13 390.1 390.1 303.9 390.6 0.11 26 100 15830 -55.1 -66.1 24 11.0 -55.5 255 19 421.3 421.3 307.9 421.5 0.05 27 70 18100 -57.5 -69.5 20 12.0 -57.9 270 15 461.4 461.4 311.9 461.6 0.05 28 50 20210 -60.9 -72.9 19 12.0 -61.3 285 15 500.0 500.0 314.9 500.2 0.04 29 44 20997 -62.9 -74.9 18 12.0 -63.3 279 17 513.7 513.7 315.9 513.9 0.03 30 30 23360 -60.5 -73.5 17 13.0 -61.2 260 23 579.7 579.7 319.7 580.1 0.06 31 23 25003 -63.7 -75.7 18 12.0 -64.3 312 11 616.1 616.1 321.3 616.5 0.06 32 21 25566 -59.9 -73.9 14 14.0 -61.0 330 7 643.8 643.8 322.4 644.4 0.08 33 20 25870 -61.7 -74.7 16 13.0 -62.6 340 5 647.3 647.3 322.6 647.9 0.08 34 19 26187 -62.9 -75.9 16 13.0 -63.7 653.1 653.2 322.8 653.7 0.07 TRP 372 7226 -50.5 -54.1 66 3.6 -50.6 310 19 295.4 295.4 279.4 295.7 0.07 WND Sounding variables and indices 1000-500 mb thick: 5198.00 m Freezing level: 943.24 mb = 514.77 m = 1688.86 ft Wetbulb zero: 967.22 mb = 311.56 m = 1022.18 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 71.32 % Est. max temperature: 5.58 C = 42.04 F Sfc-Lift cond lev (LCL): 967.38 mb = 310.22 m = 1017.77 ft T: 1.99 C 700-500 lapse rate: 7.69 C/km ThetaE index: 3.97 C Layer 970.0- 725.0 mb Conv cond level (CCL): 891.25 mb = 962.93 m = 3159.17 ft Mean mixing ratio: 3.12 g/kg Conv temperature: 5.02 C = 41.04 F Cap Strength: 2.63 C Lifted Index: 2.90 C Risk: None Lifted Index @300 mb: 20.13 C Lifted Index @700 mb: 0.59 C Showalter Index: 4.43 C Risk: None Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.80 C Cross Totals Index: 25.80 C K Index: 13.90 Risk: None Sweat Index: 165.00 Risk: None Energy Index: 1.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.74 J/kg Max Up Vert Vel: 4.41 m/s Conv Inhibition (B-): 2.16 J/kg Cap Strength: 2.86 C Lift Cond Lev (LCL): 893.13 mb = 946.30 m = 3104.62 ft Lev Free Conv (LFC): 878.13 mb = 1080.24 m = 3544.04 ft Equ Level (EL): 798.13 mb = 1818.66 m = 5966.66 ft B at Equ Level: 6.72 J/kg Max Parcel Lev (MPL): 748.13 mb = 2315.57 m = 7596.91 ft Wind level data Storm motion: 335 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 1004 10 225 5 3.5 3.5 | 173 15 -1.9 15.3 1 1000 42 235 7 5.7 4.0 | 181 16 0.3 15.8 2 925 669 290 15 14.1 -5.1 | 232 11 8.6 6.6 3 850 1335 300 19 16.5 -9.5 | 258 11 11.0 2.3 4 700 2821 295 21 19.0 -8.9 | 258 14 13.6 2.9 5 500 5240 330 15 7.5 -13.0 | 301 2 2.0 -1.2 6 400 6750 335 17 7.2 -15.4 | 335 4 1.7 -3.6 7 372 7226 310 19 14.6 -12.2 | 273 9 9.1 -0.4 8 300 8630 290 21 19.7 -7.2 | 252 15 14.3 4.6 9 250 9820 270 17 17.0 -0.0 | 224 16 11.5 11.8 10 200 11300 260 17 16.7 3.0 | 217 19 11.3 14.7 11 150 13200 225 13 9.2 9.2 | 190 21 3.7 21.0 12 100 15830 255 19 18.4 4.9 | 218 21 12.9 16.7 13 70 18100 270 15 15.0 -0.0 | 219 15 9.5 11.8 14 50 20210 285 15 14.5 -3.9 | 229 12 9.0 7.9 15 30 23360 260 23 22.7 4.0 | 227 23 17.2 15.8 16 20 25870 340 5 1.7 -4.7 | 152 8 -3.8 7.1 Wind Parameters Mean winds (0-6000m): 305.1 at 17.3 knts Storm direction: 335.1 at 13.0 knts Shear (0-3000m) pos: 3.2 neg: 0.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 87.3 deg Storm rel helicity (0-3000m) pos: 69.8 neg: -0.3 tot: 69.5 m^2/s^2 ave: 23.2 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.48 Bulk Shear: 20.33 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 ------------------------------------------------------------------------------- 500 261 10 197 14| 10.9 0.0 10.9| 42.7 0.0 42.7 85.4 0.95| 11.9 11.3 1000 282 13 216 11| 8.3 0.0 8.3| 60.8 0.0 60.8 60.8 0.94| 9.3 8.7 1500 289 15 230 11| 6.4 0.0 6.4| 68.0 0.0 68.0 45.4 0.94| 7.1 6.7 2000 292 16 238 11| 4.8 0.2 5.0| 68.0 -0.0 68.0 34.0 0.90| 5.6 5.0 2500 293 17 243 11| 3.8 0.4 4.2| 68.0 -0.2 67.9 27.1 0.86| 4.6 4.0 3000 294 17 246 11| 3.2 0.3 3.5| 69.8 -0.3 69.5 23.2 0.82| 4.1 3.4 4000 297 18 250 11| 2.3 0.2 2.5| 76.0 -0.3 75.7 18.9 0.75| 3.8 2.8 5000 301 18 254 10| 1.8 0.2 2.0| 78.7 -0.3 78.3 15.7 0.69| 3.5 2.5 6000 305 17 258 9| 1.6 0.2 1.7| 79.7 -0.3 79.4 13.2 0.69| 3.1 2.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251018.00.gif