UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101912.upa.cvt Date: 1200Z 19 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 19 OCT 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 1006 -47 -4.9 -8.8 74 3.9 -6.1 0 0 267.8 268.1 266.7 273.1 1.95 1 1003 -24 -1.9 -5.6 76 3.7 -3.1 330 1 271.0 271.4 269.8 277.8 2.51 2 1000 0 -0.3 -1.4 92 1.1 -0.7 300 3 272.9 273.4 272.4 282.2 3.45 3 995 61 0.6 -4.0 71 4.6 -1.1 304 3 274.1 274.6 272.3 282.0 2.85 4 935 806 -1.5 -12.5 43 11.0 -4.8 347 3 276.9 277.2 271.9 281.4 1.56 5 925 933 0.6 -12.4 37 13.0 -3.5 355 3 279.9 280.2 273.8 284.5 1.59 6 919 985 1.2 -14.8 29 16.0 -3.6 358 3 281.1 281.3 274.0 284.9 1.32 7 899 1162 0.4 -20.6 19 21.0 -5.0 8 5 282.0 282.1 273.7 284.5 0.82 8 850 1611 -0.7 -21.7 19 21.0 -6.1 35 9 285.4 285.6 275.5 287.8 0.79 9 828 1820 -1.7 -22.7 18 21.0 -6.9 36 9 286.5 286.6 276.0 288.8 0.74 10 779 2302 -4.7 -12.7 54 8.0 -7.2 37 10 288.3 288.7 278.5 293.8 1.85 11 727 2842 -6.7 -16.7 45 10.0 -9.6 39 11 291.9 292.1 279.7 296.2 1.42 12 700 3136 -9.1 -22.1 34 13.0 -12.2 40 11 292.4 292.6 279.2 295.3 0.93 13 647 3740 -14.5 -25.5 39 11.0 -16.7 42 13 293.0 293.1 279.2 295.3 0.74 14 638 3847 -13.5 -25.5 36 12.0 -16.0 43 14 295.3 295.4 280.3 297.7 0.75 15 598 4337 -16.7 -35.7 18 19.0 -19.5 45 16 297.1 297.1 280.5 298.1 0.30 16 530 5235 -22.7 -35.7 30 13.0 -24.4 48 19 300.3 300.4 282.0 301.5 0.34 17 500 5660 -25.9 -37.9 32 12.0 -27.3 50 21 301.5 301.5 282.4 302.5 0.29 18 400 7230 -38.3 -48.3 34 10.0 -38.8 35 21 305.2 305.2 283.7 305.6 0.12 19 343 8269 -46.7 -55.7 35 9.0 -47.0 307.5 307.5 284.5 307.7 0.06 TRP WND Sounding variables and indices 1000-500 mb thick: 5660.00 m Freezing level: Surface below freezing Freezing level: 998.33 mb = 20.27 m = 66.50 ft Freezing level: 977.86 mb = 273.65 m = 897.78 ft Freezing level: 927.86 mb = 896.64 m = 2941.71 ft Freezing level: 881.18 mb = 1325.37 m = 4348.28 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 34.27 % Est. max temperature: 12.32 C = 54.18 F Sfc-Lift cond lev (LCL): 945.76 mb = 668.69 m = 2193.85 ft T: -1.11 C 700-500 lapse rate: 6.66 C/km ThetaE index: 0.94 C Layer 700.0- 638.0 mb Conv cond level (CCL): 653.94 mb = 3658.17 m = 12001.72 ft Mean mixing ratio: 2.02 g/kg Conv temperature: 20.23 C = 68.42 F Cap Strength: 15.78 C Lifted Index: 16.27 C Risk: None Lifted Index @700 mb: 11.92 C Showalter Index: 11.93 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: 4.20 C K Index: -9.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.10 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.22 J/kg Max Up Vert Vel: 9.40 m/s Conv Inhibition (B-): 3854.16 J/kg Cap Strength: 16.21 C Lift Cond Lev (LCL): 831.59 mb = 1785.28 m = 5857.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 72 at 9 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 1006 -47 0 0 -0.0 -0.0 | 252 9 8.6 2.8 1 1000 0 300 3 2.6 -1.5 | 264 11 11.2 1.3 2 925 933 355 3 0.3 -3.0 | 271 9 8.9 -0.2 3 850 1611 35 9 -5.2 -7.4 | 323 6 3.4 -4.6 4 700 3136 40 11 -7.1 -8.4 | 345 6 1.5 -5.7 5 500 5660 50 21 -16.1 -13.5 | 35 13 -7.5 -10.7 6 400 7230 35 21 -12.0 -17.2 | 13 15 -3.5 -14.4 Wind Parameters Mean winds (0-6000m): 42.2 at 12.0 knts Storm direction: 72.2 at 9.0 knts Shear (0-3000m) pos: 1.8 neg: 0.5 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 90.2 deg Storm rel helicity (0-3000m) pos: 25.2 neg: 0.0 tot: 25.2 m^2/s^2 ave: 8.4 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.19 Bulk Shear: 20.18 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 ------------------------------------------------------------------------------- 500 312 3 265 11| 0.0 3.1 3.1| 7.9 0.0 7.9 15.8 0.69| 4.4 3.0 1000 327 3 268 10| 0.8 1.5 2.4| 9.6 0.0 9.6 9.6 0.62| 3.0 1.9 1500 357 4 278 9| 2.3 1.0 3.3| 19.5 0.0 19.5 13.0 0.76| 3.8 2.9 2000 18 5 289 7| 2.3 0.8 3.0| 23.0 0.0 23.0 11.5 0.78| 3.5 2.7 2500 25 6 297 7| 2.0 0.6 2.6| 24.1 0.0 24.1 9.7 0.79| 2.9 2.3 3000 30 7 304 6| 1.8 0.5 2.3| 25.2 0.0 25.2 8.4 0.80| 2.6 2.1 4000 34 9 318 6| 1.8 0.4 2.2| 30.5 0.0 30.5 7.6 0.81| 2.4 1.9 5000 39 10 337 6| 1.8 0.3 2.2| 37.2 0.0 37.2 7.4 0.79| 2.3 1.8 6000 42 12 355 6| 1.7 0.3 2.0| 42.7 -3.4 39.3 6.6 0.70| 2.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251019.12.gif