UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011812.upa.cvt Date: 1200Z 18 JAN 26 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 18 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 1017 5 -0.5 -0.9 97 0.4 -0.7 290 7 271.3 271.9 271.6 280.8 3.52 1 1009 68 1.0 -0.4 90 1.4 0.4 309 12 273.4 274.1 273.1 283.4 3.68 2 1000 140 0.8 -0.6 90 1.4 0.2 330 17 274.0 274.6 273.4 283.9 3.66 3 972 368 0.0 -1.0 93 1.0 -0.4 332 17 275.4 276.0 274.2 285.4 3.65 4 925 763 -2.7 -3.7 93 1.0 -3.1 335 17 276.5 277.1 274.1 285.2 3.14 5 850 1428 -7.7 -10.1 83 2.4 -8.4 325 17 278.1 278.4 273.5 284.0 2.08 6 764 2249 -13.5 -15.4 86 1.9 -14.0 328 21 280.4 280.7 273.9 284.8 1.51 7 740 2492 -14.5 -16.3 86 1.8 -14.9 329 23 281.9 282.2 274.6 286.2 1.44 8 723 2668 -14.7 -17.8 77 3.1 -15.4 329 24 283.6 283.8 275.3 287.4 1.30 9 700 2913 -14.1 -18.9 67 4.8 -15.2 330 25 286.9 287.1 276.9 290.6 1.23 10 695 2967 -13.9 -19.9 60 6.0 -15.3 330 25 287.7 287.9 277.2 291.1 1.13 11 668 3267 -15.1 -24.1 46 9.0 -16.9 330 28 289.6 289.8 277.7 292.2 0.81 12 591 4178 -22.3 -35.3 30 13.0 -23.9 330 35 291.6 291.6 278.0 292.6 0.32 13 500 5380 -32.3 -46.3 24 14.0 -33.2 330 44 293.7 293.7 278.6 294.1 0.12 14 400 6910 -44.9 -58.9 19 14.0 -45.3 330 35 296.6 296.6 279.9 296.8 0.03 15 364 7534 -50.5 -64.5 18 14.0 -50.7 327 32 297.3 297.3 280.1 297.3 0.02 16 300 8780 -56.9 -70.9 15 14.0 -57.1 320 25 305.1 305.1 283.5 305.2 0.01 17 250 9930 -57.3 -71.3 15 14.0 -57.5 315 23 320.9 320.9 289.0 320.9 0.01 18 200 11340 -57.1 -72.1 13 15.0 -57.3 310 19 342.3 342.3 294.9 342.4 0.01 19 192 11597 -57.1 -72.1 13 15.0 -57.3 309 19 346.4 346.4 295.8 346.4 0.01 20 150 13140 -60.3 -75.3 12 15.0 -60.4 305 21 366.2 366.2 299.9 366.2 0.01 21 100 15620 -68.3 -84.3 8 16.0 -68.4 290 19 395.8 395.8 304.6 395.8 0.00 22 81 16867 -73.1 -89.1 7 16.0 -73.2 290 25 410.5 410.5 306.6 410.5 0.00 23 70 17720 -73.5 -89.5 7 16.0 -73.6 290 29 427.1 427.1 308.5 427.1 0.00 24 50 19660 -78.1 -93.1 7 15.0 -78.1 290 29 459.5 459.5 311.7 459.5 0.00 25 48 19893 -78.1 -93.1 7 15.0 -78.1 464.8 464.8 312.2 464.9 0.00 TRP 300 8780 -56.9 -70.9 15 14.0 -57.1 320 25 305.1 305.1 283.5 305.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5240.00 m Freezing level: Surface below freezing Freezing level: 1014.33 mb = 26.10 m = 85.64 ft Freezing level: 972.00 mb = 367.88 m = 1206.93 ft Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 61.69 % Est. max temperature: 5.92 C = 42.66 F Sfc-Lift cond lev (LCL): 1010.54 mb = 55.99 m = 183.70 ft T: 0.71 C 700-500 lapse rate: 7.38 C/km ThetaE index: 1.36 C Layer 925.0- 764.0 mb Conv cond level (CCL): 933.08 mb = 693.68 m = 2275.82 ft Mean mixing ratio: 3.48 g/kg Conv temperature: 4.53 C = 40.15 F Cap Strength: 7.39 C Lifted Index: 7.93 C Risk: None Lifted Index @300 mb: 14.51 C Lifted Index @700 mb: 5.16 C Showalter Index: 8.52 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.20 C K Index: 9.70 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 2.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.54 J/kg Max Up Vert Vel: 5.39 m/s Conv Inhibition (B-): 27429.77 J/kg Cap Strength: 7.89 C Lift Cond Lev (LCL): 949.55 mb = 554.15 m = 1818.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 360 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 1017 5 290 7 6.6 -2.4 | 199 20 6.5 18.6 1 1000 140 330 17 8.5 -14.7 | 233 10 8.4 6.3 2 925 763 335 17 7.2 -15.4 | 232 9 7.1 5.6 3 850 1428 325 17 9.8 -13.9 | 234 12 9.6 7.1 4 700 2913 330 25 12.5 -21.7 | 273 12 12.4 -0.7 5 500 5380 330 44 22.0 -38.1 | 308 28 21.9 -17.1 6 400 6910 330 35 17.5 -30.3 | 298 20 17.4 -9.3 7 300 8780 320 25 16.1 -19.2 | 263 16 16.0 1.8 8 250 9930 315 23 16.3 -16.3 | 254 17 16.1 4.7 9 200 11340 310 19 14.6 -12.2 | 239 17 14.4 8.8 10 150 13140 305 21 17.2 -12.0 | 242 19 17.1 8.9 11 100 15620 290 19 17.9 -6.5 | 231 23 17.7 14.5 12 70 17720 290 29 27.3 -9.9 | 248 29 27.1 11.1 13 50 19660 290 29 27.3 -9.9 | 248 29 27.1 11.1 Wind Parameters Mean winds (0-6000m): 329.7 at 28.0 knts Storm direction: 359.7 at 21.0 knts Shear (0-3000m) pos: 3.6 neg: 0.4 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 76.6 deg Storm rel helicity (0-3000m) pos: 63.1 neg: -0.5 tot: 62.6 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.72 Bulk Shear: 20.14 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 ------------------------------------------------------------------------------- 500 329 16 226 11| 13.2 0.0 13.2| 35.0 -0.3 34.7 69.4 0.64| 14.2 9.2 1000 331 16 229 10| 6.6 0.2 6.8| 35.4 -0.5 34.9 34.9 0.59| 7.8 4.6 1500 330 17 231 10| 4.4 0.8 5.2| 37.1 -0.5 36.6 24.4 0.55| 6.0 3.3 2000 329 17 234 11| 4.0 0.6 4.6| 45.6 -0.5 45.1 22.5 0.61| 5.2 3.2 2500 329 18 239 11| 3.7 0.5 4.2| 54.1 -0.5 53.6 21.4 0.66| 4.7 3.1 3000 329 19 244 11| 3.6 0.4 4.0| 63.1 -0.5 62.6 20.9 0.69| 4.4 3.1 4000 329 22 258 11| 2.7 1.1 3.8| 84.3 -0.5 83.8 20.9 0.69| 4.3 3.0 5000 330 25 272 13| 2.2 1.6 3.8|105.5 -0.5 104.9 21.0 0.65| 4.3 2.8 6000 330 28 283 14| 1.8 1.3 3.1|113.0 -10.2 102.8 17.1 0.56| 4.1 2.3 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20260118.12.gif