UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 12 OCT 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 184 SFC 930 739 -14.7 -17.3 81 2.6 -15.2 160 1 263.9 264.0 262.3 266.8 1.06 2 925 780 -15.7 -17.9 83 2.2 -16.1 195 3 263.3 263.4 261.7 266.0 1.01 3 922 804 -15.9 -18.1 83 2.2 -16.3 190 3 263.3 263.5 261.7 266.0 1.00 4 879 1166 -10.5 -12.9 82 2.4 -11.1 120 5 272.5 272.8 269.3 277.0 1.61 5 850 1423 -11.3 -13.6 83 2.3 -11.9 70 7 274.3 274.6 270.4 278.8 1.57 6 818 1717 -12.9 -15.5 81 2.6 -13.5 76 9 275.6 275.9 270.9 279.6 1.40 7 810 1792 -12.7 -15.5 80 2.8 -13.4 77 9 276.6 276.9 271.5 280.7 1.41 8 805 1840 -11.9 -15.0 78 3.1 -12.7 78 10 278.0 278.2 272.5 282.2 1.48 9 770 2179 -14.7 -19.2 69 4.5 -15.7 85 12 278.5 278.7 272.1 281.7 1.09 10 759 2288 -13.3 -18.1 67 4.8 -14.4 87 13 281.2 281.4 273.9 284.7 1.21 11 715 2742 -15.1 -22.1 55 7.0 -16.5 97 16 284.0 284.2 275.0 286.8 0.91 12 700 2903 -13.9 -21.9 51 8.0 -15.6 100 17 287.1 287.3 276.6 290.0 0.95 13 674 3189 -13.9 -25.9 36 12.0 -16.2 100 17 290.2 290.3 277.9 292.4 0.69 14 649 3474 -15.7 -30.7 26 15.0 -18.1 100 17 291.3 291.4 278.0 292.8 0.46 15 632 3674 -13.9 -34.9 15 21.0 -17.2 100 16 295.6 295.7 279.8 296.7 0.31 16 604 4015 -16.7 -42.7 9 26.0 -19.8 100 16 296.2 296.3 279.9 296.7 0.15 17 547 4747 -23.3 -36.3 29 13.0 -24.9 100 16 296.9 297.0 280.4 298.0 0.31 18 519 5130 -24.1 -31.1 52 7.0 -25.1 100 15 300.4 300.5 282.3 302.3 0.55 19 516 5172 -24.7 -31.7 52 7.0 -25.7 100 15 300.2 300.3 282.1 301.9 0.52 20 500 5400 -26.1 -33.1 52 7.0 -27.1 100 15 301.2 301.3 282.5 302.8 0.47 21 417 6690 -35.3 -40.3 60 5.0 -35.7 80 15 305.5 305.5 284.0 306.4 0.27 22 400 6980 -35.7 -40.7 60 5.0 -36.1 75 15 308.6 308.6 285.1 309.6 0.27 23 393 7102 -36.1 -41.1 60 5.0 -36.5 77 16 309.6 309.7 285.5 310.6 0.27 24 300 8920 -49.1 -55.1 50 6.0 -49.3 100 25 316.1 316.2 287.6 316.4 0.07 25 250 10100 -58.5 -64.5 46 6.0 -58.6 115 23 319.1 319.1 288.5 319.2 0.03 26 230 10623 -61.7 -67.7 45 6.0 -61.7 121 20 321.9 321.9 289.3 322.0 0.02 27 219 10928 -62.7 -68.7 44 6.0 -62.7 125 19 324.9 324.9 290.3 325.0 0.02 28 200 11490 -62.7 -68.7 44 6.0 -62.8 120 21 333.5 333.5 292.7 333.5 0.02 29 195 11645 -63.5 -69.5 44 6.0 -63.6 123 20 334.6 334.6 293.0 334.7 0.02 30 182 12069 -61.7 -67.7 45 6.0 -61.8 131 18 344.2 344.2 295.3 344.3 0.02 31 178 12208 -57.7 -63.7 46 6.0 -57.8 134 18 353.0 353.0 297.3 353.1 0.04 32 172 12424 -57.7 -63.7 46 6.0 -57.8 138 17 356.4 356.4 298.0 356.6 0.04 33 150 13290 -55.3 -63.3 36 8.0 -55.5 155 13 374.8 374.8 301.4 375.0 0.05 34 101 15826 -51.7 -65.7 17 14.0 -52.4 126 7 426.6 426.6 308.5 426.9 0.06 35 100 15890 -51.3 -65.3 17 14.0 -52.0 125 7 428.6 428.6 308.7 428.9 0.06 36 70 18220 -49.5 -70.5 7 21.0 -50.8 110 15 478.5 478.5 313.4 478.7 0.04 37 50 20420 -49.5 -74.5 4 25.0 -51.2 125 7 526.8 526.8 316.8 527.0 0.03 38 47 20824 -50.7 -75.7 4 25.0 -52.3 533.4 533.4 317.1 533.5 0.03 TRP 219 10928 -62.7 -68.7 44 6.0 -62.7 125 19 324.9 324.9 290.3 325.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5216.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 49.51 % Est. max temperature: -0.51 C = 31.08 F Sfc-Lift cond lev (LCL): 891.54 mb = 1059.06 m = 3474.55 ft T: -12.10 C 700-500 lapse rate: 4.89 C/km ThetaE index: 0.75 C Layer 925.0- 922.0 mb Conv cond level (CCL): 930.00 mb = 738.88 m = 2424.10 ft Mean mixing ratio: 1.41 g/kg Conv temperature: -13.83 C = 7.10 F Cap Strength: 21.76 C Lifted Index: 22.10 C Risk: None Lifted Index @300 mb: 29.45 C Lifted Index @700 mb: 12.92 C Showalter Index: 18.79 C Risk: None Total Totals Index: 27.30 C Risk: None Vertical Totals Index: 14.80 C Cross Totals Index: 12.50 C K Index: -6.80 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 5.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.79 J/kg Max Up Vert Vel: 10.37 m/s Conv Inhibition (B-): 40150.74 J/kg Cap Strength: 21.81 C Lift Cond Lev (LCL): 848.35 mb = 1437.89 m = 4717.42 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 125 at 10 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 ---------------------------------------------------------- 0 930 739 160 1 -0.3 0.9 | 302 9 7.9 -4.9 1 925 780 195 3 0.8 2.9 | 288 10 9.1 -3.0 2 850 1423 70 7 -6.6 -2.4 | 348 8 1.7 -8.3 3 700 2903 100 17 -16.7 3.0 | 71 9 -8.4 -2.9 4 500 5400 100 15 -14.8 2.6 | 63 7 -6.5 -3.3 5 400 6980 75 15 -14.5 -3.9 | 32 12 -6.2 -9.8 6 300 8920 100 25 -24.6 4.3 | 85 16 -16.3 -1.5 7 250 10100 115 23 -20.8 9.7 | 107 13 -12.6 3.8 8 219 10928 125 19 -15.6 10.9 | 125 9 -7.3 5.0 9 200 11490 120 21 -18.2 10.5 | 115 11 -9.9 4.6 10 150 13290 155 13 -5.5 11.8 | 205 7 2.8 5.9 11 100 15890 125 7 -5.7 4.0 | 306 3 2.6 -1.9 12 70 18220 110 15 -14.1 5.1 | 83 6 -5.8 -0.8 13 50 20420 125 7 -5.7 4.0 | 306 3 2.6 -1.9 Wind Parameters Mean winds (0-6000m): 95.4 at 13.6 knts Storm direction: 125.4 at 10.2 knts Shear (0-3000m) pos: 1.6 neg: 1.5 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 126.7 deg Storm rel helicity (0-3000m) pos: 34.1 neg: -6.8 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.58 Bulk Shear: 15.03 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 ------------------------------------------------------------------------------- 500 135 4 299 6| 0.0 5.5 5.5| 5.6 -6.0 -0.5 -0.9 0.15| 9.5 1.5 1000 84 6 339 7| 0.0 4.7 4.7| 14.0 -6.0 8.0 8.0 0.38| 8.0 3.0 1500 84 7 352 7| 1.3 3.1 4.4| 22.1 -6.0 16.0 10.7 0.50| 6.7 3.3 2000 90 9 8 6| 2.1 2.3 4.4| 31.0 -6.0 24.9 12.5 0.59| 6.1 3.6 2500 94 11 24 6| 1.9 1.9 3.7| 34.1 -6.3 27.9 11.1 0.60| 5.2 3.1 3000 95 12 33 6| 1.6 1.5 3.1| 34.1 -6.8 27.4 9.1 0.58| 4.4 2.6 4000 97 13 45 6| 1.2 1.0 2.2| 34.1 -7.7 26.5 6.6 0.55| 3.4 1.9 5000 97 13 49 6| 0.9 0.9 1.8| 34.1 -10.5 23.6 4.7 0.46| 2.9 1.3 6000 95 14 48 7| 0.8 1.0 1.7| 34.1 -18.3 15.9 2.6 0.31| 2.8 0.9 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251012.00.gif