UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010700.upa.cvt Date: 0000Z 7 JAN 26 Searching for U2271... Searching the city database file for: U2271 ... Date:0000Z 7 JAN 26 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 1020 8 -3.7 -5.5 87 1.8 -4.3 290 7 267.9 268.3 267.7 274.6 2.48 1 1015 47 -1.5 -4.4 81 2.9 -2.5 297 9 270.5 270.9 269.8 277.8 2.71 2 1000 165 -2.3 -5.5 79 3.2 -3.4 320 15 270.9 271.3 269.8 277.7 2.53 3 986 277 -2.3 -8.3 63 6.0 -4.2 324 15 271.9 272.3 269.7 277.7 2.07 4 973 382 -3.3 -10.3 58 7.0 -5.4 327 15 272.0 272.3 269.2 277.0 1.79 5 925 778 -7.3 -13.3 62 6.0 -8.9 340 15 271.8 272.1 268.7 276.0 1.48 6 858 1359 -11.9 -18.9 56 7.0 -13.4 340 17 272.9 273.1 268.5 275.8 1.00 7 850 1431 -12.5 -18.5 61 6.0 -13.8 340 17 273.1 273.2 268.7 276.0 1.04 8 824 1668 -14.3 -17.7 75 3.4 -15.0 338 18 273.6 273.8 269.2 276.9 1.15 9 718 2697 -22.1 -26.8 66 4.7 -22.8 327 24 276.0 276.1 269.8 277.8 0.59 10 700 2883 -23.9 -28.9 63 5.0 -24.5 325 25 276.0 276.1 269.6 277.5 0.50 11 670 3200 -26.7 -33.7 52 7.0 -27.4 328 24 276.4 276.4 269.5 277.4 0.33 12 594 4059 -30.7 -46.7 19 16.0 -31.6 335 20 281.4 281.4 272.1 281.7 0.10 13 574 4301 -31.7 -46.7 21 15.0 -32.6 337 19 283.0 283.0 273.1 283.3 0.10 14 500 5260 -39.1 -52.1 24 13.0 -39.6 345 15 285.4 285.4 274.3 285.6 0.06 15 400 6760 -50.1 -58.1 38 8.0 -50.3 345 19 289.9 289.9 276.7 290.0 0.04 16 316 8259 -61.5 -69.5 34 8.0 -61.6 333 17 294.2 294.2 278.7 294.3 0.01 17 300 8580 -62.5 -70.5 33 8.0 -62.6 330 17 297.2 297.2 280.1 297.3 0.01 18 278 9045 -65.3 -73.3 32 8.0 -65.3 340 19 299.7 299.7 281.2 299.8 0.01 19 275 9111 -65.3 -73.3 32 8.0 -65.3 337 19 300.7 300.7 281.6 300.7 0.01 20 250 9690 -64.3 -72.3 33 8.0 -64.3 310 15 310.5 310.5 285.5 310.5 0.01 21 200 11060 -62.7 -70.7 33 8.0 -62.8 305 17 333.5 333.5 292.7 333.5 0.01 22 187 11474 -62.1 -71.1 29 9.0 -62.2 303 17 340.9 340.9 294.6 341.0 0.01 23 150 12830 -63.5 -73.5 24 10.0 -63.6 295 19 360.7 360.7 298.8 360.7 0.01 24 100 15300 -67.7 -78.7 19 11.0 -67.8 285 25 396.9 396.9 304.8 397.0 0.01 25 70 17430 -70.3 -81.3 18 11.0 -70.4 280 25 434.0 434.0 309.3 434.0 0.01 26 62 18148 -72.9 -83.9 17 11.0 -73.0 275 27 443.6 443.6 310.3 443.6 0.01 27 58 18542 -70.9 -81.9 18 11.0 -71.0 272 28 456.6 456.6 311.5 456.7 0.01 28 50 19420 -72.1 -83.1 18 11.0 -72.2 265 31 473.6 473.6 313.0 473.6 0.01 29 45 20037 -74.1 -84.1 20 10.0 -74.2 483.2 483.2 313.7 483.3 0.01 30 32 22031 -72.9 -83.9 17 11.0 -73.0 535.9 535.9 317.3 536.0 0.01 TRP 278 9045 -65.3 -73.3 32 8.0 -65.3 340 19 299.7 299.7 281.2 299.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5095.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 49.81 % Est. max temperature: 1.15 C = 34.07 F Sfc-Lift cond lev (LCL): 991.33 mb = 233.97 m = 767.62 ft T: -2.30 C 700-500 lapse rate: 6.39 C/km ThetaE index: 2.02 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 876.32 mb = 1195.96 m = 3923.69 ft Mean mixing ratio: 1.94 g/kg Conv temperature: 1.04 C = 33.87 F Cap Strength: 5.90 C Lifted Index: 7.26 C Risk: None Lifted Index @300 mb: 14.41 C Lifted Index @700 mb: 1.10 C Showalter Index: 7.93 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 20.60 C K Index: 3.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 1.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.54 J/kg Max Up Vert Vel: 3.88 m/s Conv Inhibition (B-): 31993.89 J/kg Cap Strength: 7.24 C Lift Cond Lev (LCL): 891.21 mb = 1065.73 m = 3496.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 at 14 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 1020 8 290 7 6.6 -2.4 | 213 14 7.5 11.5 1 1000 165 320 15 9.6 -11.5 | 257 11 10.5 2.4 2 925 778 340 15 5.1 -14.1 | 272 6 6.0 -0.2 3 850 1431 340 17 5.8 -16.0 | 287 7 6.7 -2.0 4 700 2883 325 25 14.3 -20.5 | 293 17 15.2 -6.5 5 500 5260 345 15 3.9 -14.5 | 277 5 4.8 -0.6 6 400 6760 345 19 4.9 -18.4 | 307 7 5.8 -4.4 7 300 8580 330 17 8.5 -14.7 | 275 9 9.4 -0.8 8 278 9045 340 19 6.5 -17.9 | 298 8 7.4 -3.9 9 250 9690 310 15 11.5 -9.6 | 251 13 12.4 4.3 10 200 11060 305 17 13.9 -9.8 | 254 15 14.8 4.2 11 150 12830 295 19 17.2 -8.0 | 252 19 18.1 5.9 12 100 15300 285 25 24.1 -6.5 | 253 26 25.0 7.5 13 70 17430 280 25 24.6 -4.3 | 249 27 25.5 9.6 14 50 19420 265 31 30.9 2.7 | 242 36 31.8 16.6 Wind Parameters Mean winds (0-6000m): 333.7 at 18.6 knts Storm direction: 3.7 at 14.0 knts Shear (0-3000m) pos: 2.1 neg: 1.7 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 80.7 deg Storm rel helicity (0-3000m) pos: 40.2 neg: -0.9 tot: 39.3 m^2/s^2 ave: 13.1 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.65 Bulk Shear: 4.58 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 ------------------------------------------------------------------------------- 500 322 14 252 10| 11.1 0.0 11.1| 32.7 0.0 32.7 65.3 0.84| 13.0 10.9 1000 330 14 260 8| 6.4 0.0 6.4| 35.4 0.0 35.4 35.4 0.78| 8.0 6.3 1500 334 15 267 8| 4.3 0.6 4.9| 37.6 0.0 37.6 25.1 0.77| 6.0 4.6 2000 335 16 274 8| 3.2 1.2 4.4| 39.4 0.0 39.4 19.7 0.69| 5.3 3.7 2500 334 17 280 9| 2.6 1.7 4.2| 39.8 -0.1 39.8 15.9 0.60| 4.9 2.9 3000 332 18 283 10| 2.1 1.7 3.8| 40.2 -0.9 39.3 13.1 0.53| 4.6 2.4 4000 331 19 286 11| 1.5 1.3 2.8| 41.2 -1.1 40.2 10.0 0.45| 4.2 1.9 5000 332 19 287 10| 1.3 1.0 2.3| 41.2 -3.7 37.6 7.5 0.35| 3.8 1.3 6000 334 19 287 10| 1.1 0.9 2.1| 43.5 -4.5 39.0 6.5 0.35| 3.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20260107.00.gif