UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122012.upa.cvt Date: 1200Z 20 DEC 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 20 DEC 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 51 -32.9 -36.5 70 3.6 -33.1 340 3 238.9 238.9 238.8 239.3 0.16 1 1008 135 -34.9 -39.5 63 4.6 -35.1 358 7 237.7 237.7 237.5 238.0 0.12 2 1000 191 -31.5 -36.2 63 4.7 -31.7 10 9 241.6 241.7 241.4 242.1 0.17 3 999 198 -31.1 -35.7 64 4.6 -31.3 10 9 242.1 242.1 241.9 242.6 0.18 4 968 424 -23.3 -27.7 67 4.4 -23.7 23 14 252.2 252.2 251.5 253.3 0.41 5 925 758 -19.3 -23.6 69 4.3 -19.9 40 21 259.6 259.7 258.1 261.3 0.62 6 850 1385 -17.5 -25.5 50 8.0 -18.7 35 21 267.8 267.9 264.3 269.4 0.56 7 827 1591 -17.5 -27.5 41 10.0 -18.9 33 21 269.9 270.0 265.6 271.3 0.48 8 700 2833 -21.9 -34.9 30 13.0 -23.3 20 21 278.2 278.3 270.6 279.1 0.28 9 680 3045 -22.5 -36.5 27 14.0 -23.9 17 22 279.9 279.9 271.5 280.7 0.25 10 528 4845 -36.5 -49.5 25 13.0 -37.1 355 28 284.1 284.1 273.6 284.3 0.08 11 500 5220 -38.7 -52.7 21 14.0 -39.2 350 29 285.9 285.9 274.6 286.1 0.06 12 427 6288 -45.1 -58.1 22 13.0 -45.4 339 26 290.9 290.9 277.2 291.0 0.04 13 405 6638 -48.1 -61.1 21 13.0 -48.3 336 25 291.4 291.4 277.4 291.5 0.03 14 400 6720 -48.9 -61.9 21 13.0 -49.1 335 25 291.4 291.4 277.4 291.5 0.02 15 370 7227 -53.1 -65.1 22 12.0 -53.2 330 29 292.4 292.4 277.9 292.5 0.02 16 300 8580 -52.3 -64.3 22 12.0 -52.5 350 44 311.6 311.6 285.9 311.7 0.02 17 290 8800 -52.5 -64.5 22 12.0 -52.7 350 43 314.4 314.4 286.9 314.5 0.02 18 250 9760 -52.7 -65.7 19 13.0 -52.9 350 40 327.7 327.7 291.1 327.8 0.02 19 234 10186 -52.3 -66.3 17 14.0 -52.6 346 39 334.6 334.6 293.0 334.7 0.02 20 200 11200 -51.7 -66.7 15 15.0 -52.1 335 35 350.9 350.9 296.8 351.0 0.02 21 178 11954 -51.9 -67.9 13 16.0 -52.3 323 37 362.5 362.5 299.2 362.6 0.02 22 150 13060 -52.5 -69.5 11 17.0 -52.9 305 40 379.6 379.6 302.2 379.7 0.02 23 133 13838 -52.3 -69.3 11 17.0 -52.8 393.3 393.3 304.3 393.4 0.03 TRP 370 7227 -53.1 -65.1 22 12.0 -53.2 330 29 292.4 292.4 277.9 292.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5029.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 38.31 % Est. max temperature: -6.12 C = 20.99 F Sfc-Lift cond lev (LCL): 959.10 mb = 492.03 m = 1614.26 ft T: -22.49 C 700-500 lapse rate: 7.04 C/km ThetaE index: 1.30 C Layer 1008.0-1000.0 mb Conv cond level (CCL): 1008.00 mb = 134.67 m = 441.82 ft Mean mixing ratio: 0.38 g/kg Conv temperature: -27.23 C = -17.01 F Cap Strength: 27.55 C Lifted Index: 28.58 C Risk: None Lifted Index @300 mb: 42.95 C Lifted Index @700 mb: 24.78 C Showalter Index: 13.60 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 13.20 C K Index: -17.30 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 3.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 92.24 J/kg Max Up Vert Vel: 13.58 m/s Conv Inhibition (B-): 22379.89 J/kg Cap Strength: 28.23 C Lift Cond Lev (LCL): 919.92 mb = 798.87 m = 2620.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 40 at 17 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 51 340 3 1.0 -2.8 | 230 16 12.0 10.2 1 1000 191 10 9 -1.6 -8.9 | 246 10 9.4 4.1 2 925 758 40 21 -13.5 -16.1 | 39 4 -2.5 -3.1 3 850 1385 35 21 -12.0 -17.2 | 14 4 -1.1 -4.2 4 700 2833 20 21 -7.2 -19.7 | 331 8 3.8 -6.7 5 500 5220 350 29 5.0 -28.6 | 314 22 16.0 -15.6 6 400 6720 335 25 10.6 -22.7 | 294 24 21.5 -9.7 7 370 7227 330 29 14.5 -25.1 | 295 28 25.5 -12.1 8 300 8580 350 44 7.6 -43.3 | 328 36 18.6 -30.3 9 250 9760 350 40 6.9 -39.4 | 326 32 17.9 -26.4 10 200 11200 335 35 14.8 -31.7 | 306 32 25.8 -18.7 11 150 13060 305 40 32.8 -22.9 | 283 45 43.7 -9.9 Wind Parameters Mean winds (0-6000m): 10.1 at 22.7 knts Storm direction: 40.1 at 17.0 knts Shear (0-3000m) pos: 3.4 neg: 1.3 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 100.1 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -8.6 tot: 17.2 m^2/s^2 ave: 5.7 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 1.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.77 Bulk Shear: 19.34 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 19 11 249 8| 15.3 0.0 15.3| 22.2 0.0 22.2 44.4 0.59| 16.0 9.4 1000 33 15 269 3| 10.1 0.0 10.1| 25.8 -0.8 25.0 25.0 0.62| 11.3 7.1 1500 34 17 314 2| 6.7 0.6 7.3| 25.8 -2.5 23.3 15.5 0.52| 8.1 4.2 2000 33 18 334 2| 5.0 0.9 5.9| 25.8 -4.6 21.2 10.6 0.42| 6.6 2.7 2500 31 19 338 3| 4.0 1.1 5.1| 25.8 -6.9 18.9 7.6 0.34| 5.6 1.9 3000 29 19 337 4| 3.4 1.3 4.7| 25.8 -8.6 17.2 5.7 0.28| 5.1 1.4 4000 24 20 333 6| 2.5 1.8 4.3| 25.8 -13.0 12.8 3.2 0.20| 4.6 0.9 5000 17 22 328 9| 2.0 2.1 4.1| 25.8 -24.9 0.8 0.2 0.11| 4.4 0.5 6000 10 23 323 12| 1.7 2.0 3.6| 25.8 -55.3 -29.5 -4.9 -0.01| 4.1 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20251220.12.gif