UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120300.upa.cvt Date: 0000Z 3 DEC 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 3 DEC 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 170 1 925 730 290 1 SFC 924 738 -30.1 -33.0 76 2.9 -30.3 290 1 248.6 248.6 248.0 249.3 0.26 3 905 886 -30.9 -34.5 71 3.6 -31.1 251 4 249.3 249.3 248.5 249.9 0.23 4 850 1340 -23.1 -26.8 72 3.7 -23.5 135 13 261.9 262.0 259.8 263.4 0.50 5 829 1523 -19.7 -23.3 73 3.6 -20.3 137 14 267.4 267.5 264.2 269.4 0.71 6 808 1714 -17.3 -20.7 75 3.4 -17.9 139 14 271.9 272.1 267.7 274.6 0.91 7 792 1862 -18.7 -22.0 75 3.3 -19.3 140 14 272.0 272.1 267.6 274.4 0.83 8 780 1976 -17.1 -20.1 77 3.0 -17.7 142 15 274.9 275.1 269.8 277.8 0.99 9 700 2777 -20.9 -23.9 77 3.0 -21.4 150 17 279.3 279.5 272.1 281.7 0.79 10 693 2851 -21.5 -24.5 77 3.0 -22.0 149 17 279.5 279.6 272.2 281.8 0.76 11 522 4857 -39.3 -45.3 53 6.0 -39.6 128 22 281.6 281.7 272.3 282.1 0.13 12 500 5150 -41.1 -47.1 52 6.0 -41.3 125 23 282.9 282.9 273.1 283.3 0.11 13 400 6640 -52.3 -58.3 48 6.0 -52.4 90 42 287.0 287.0 275.2 287.1 0.04 14 383 6918 -54.9 -59.9 54 5.0 -55.0 93 44 287.2 287.2 275.2 287.3 0.03 15 335 7763 -59.5 -64.5 52 5.0 -59.6 104 49 292.1 292.1 277.7 292.2 0.02 16 329 7876 -59.9 -64.8 53 4.9 -59.9 105 50 293.1 293.1 278.2 293.1 0.02 17 300 8450 -60.5 -65.4 52 4.9 -60.6 115 52 300.1 300.1 281.4 300.1 0.02 18 253 9524 -57.5 -63.5 46 6.0 -57.6 129 39 319.5 319.5 288.6 319.6 0.03 19 250 9600 -57.9 -62.9 53 5.0 -58.0 130 38 320.0 320.0 288.8 320.1 0.03 20 200 11000 -59.3 -65.3 46 6.0 -59.4 150 19 338.9 338.9 294.1 339.0 0.03 21 193 11222 -61.5 -67.5 45 6.0 -61.6 150 21 338.8 338.8 294.0 338.9 0.02 22 180 11658 -58.3 -65.3 40 7.0 -58.4 150 25 350.9 350.9 296.8 351.0 0.03 23 160 12396 -59.9 -66.9 40 7.0 -60.0 150 32 360.2 360.2 298.8 360.3 0.03 24 150 12800 -59.3 -67.3 35 8.0 -59.5 150 36 367.9 367.9 300.2 368.1 0.03 25 138 13323 -56.5 -64.5 36 8.0 -56.7 158 41 381.7 381.7 302.6 382.0 0.05 26 108 14861 -59.7 -69.7 26 10.0 -59.9 182 57 403.4 403.4 305.7 403.5 0.03 27 100 15340 -59.9 -69.9 26 10.0 -60.2 190 62 411.9 411.9 306.7 412.1 0.03 28 89 16067 -60.3 -70.3 26 10.0 -60.6 425.2 425.2 308.3 425.3 0.03 TRP 329 7876 -59.9 -64.8 53 4.9 -59.9 105 50 293.1 293.1 278.2 293.1 0.02 WND 100 15340 -59.9 -69.9 26 10.0 -60.2 190 62 411.9 411.9 306.7 412.1 0.03 Sounding variables and indices 1000-500 mb thick: 4980.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 68.53 % Est. max temperature: -4.08 C = 24.66 F Sfc-Lift cond lev (LCL): 879.71 mb = 1091.29 m = 3580.30 ft T: -27.37 C 700-500 lapse rate: 8.51 C/km ThetaE index: 0.16 C Layer 792.0- 780.0 mb Conv cond level (CCL): 924.00 mb = 737.74 m = 2420.36 ft Mean mixing ratio: 0.41 g/kg Conv temperature: -27.99 C = -18.38 F Cap Strength: 19.55 C Lifted Index: 20.35 C Risk: None Lifted Index @300 mb: 29.66 C Lifted Index @700 mb: 19.51 C Showalter Index: 16.13 C Risk: None Total Totals Index: 32.30 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 14.30 C K Index: -11.80 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 4.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 73.04 J/kg Max Up Vert Vel: 12.09 m/s Conv Inhibition (B-): 25423.06 J/kg Cap Strength: 20.17 C Lift Cond Lev (LCL): 834.64 mb = 1473.62 m = 4834.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 152 at 16 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 ---------------------------------------------------------- 0 924 738 290 1 0.9 -0.3 | 330 17 8.4 -14.4 1 850 1340 135 13 -9.2 9.2 | 20 5 -1.8 -4.9 2 700 2777 150 17 -8.5 14.7 | 120 1 -1.1 0.6 3 500 5150 125 23 -18.8 13.2 | 85 11 -11.4 -0.9 4 400 6640 90 42 -42.0 0.0 | 68 37 -34.6 -14.1 5 329 7876 105 50 -48.3 12.9 | 88 41 -40.9 -1.2 6 300 8450 115 52 -47.1 22.0 | 101 40 -39.7 7.9 7 250 9600 130 38 -29.1 24.4 | 115 24 -21.7 10.3 8 200 11000 150 19 -9.5 16.5 | 139 3 -2.1 2.4 9 150 12800 150 36 -18.0 31.2 | 148 20 -10.6 17.1 10 100 15340 190 62 10.8 61.1 | 201 50 18.2 47.0 Wind Parameters Mean winds (0-6000m): 122.3 at 21.2 knts Storm direction: 152.3 at 15.9 knts Shear (0-3000m) pos: 0.7 neg: 3.1 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 128.6 deg Storm rel helicity (0-3000m) pos: 12.0 neg: -32.8 tot: -20.8 m^2/s^2 ave: -6.9 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.32 Bulk Shear: 31.42 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 ------------------------------------------------------------------------------- 500 132 6 344 11| 0.0 11.9 11.9| 3.0 -32.0 -29.0 -58.0 -0.36| 17.5 -6.3 1000 137 9 352 7| 0.0 7.7 7.7| 10.5 -32.0 -21.5 -21.5 0.02| 12.6 0.3 1500 139 11 359 6| 0.7 5.1 5.8| 11.3 -32.0 -20.7 -13.8 0.06| 9.0 0.5 2000 142 13 3 4| 1.0 3.9 4.9| 11.9 -32.0 -20.1 -10.0 0.11| 7.3 0.8 2500 144 13 10 3| 0.8 3.4 4.2| 12.0 -32.2 -20.3 -8.1 0.10| 6.2 0.6 3000 143 14 24 3| 0.7 3.1 3.8| 12.0 -32.8 -20.8 -6.9 0.08| 5.6 0.4 4000 140 16 57 3| 0.5 2.7 3.2| 12.0 -35.1 -23.2 -5.8 0.03| 4.8 0.2 5000 134 18 73 6| 0.4 3.2 3.6| 12.0 -42.8 -30.8 -6.2 -0.01| 5.0 -0.1 6000 122 21 75 11| 0.3 3.8 4.1| 22.1 -99.9 -77.8 -13.0 -0.10| 5.8 -0.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251203.00.gif