UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050400.upa.cvt Date: 0000Z 4 MAY 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 4 MAY 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 95 1 925 724 SFC 923 741 0.0 -4.5 72 4.5 -1.7 80 5 279.5 280.0 275.5 287.8 2.96 3 860 1301 -6.3 -10.2 74 3.9 -7.5 278.6 279.0 273.7 284.4 2.04 4 850 1392 -6.7 -10.7 73 4.0 -7.9 110 17 279.1 279.5 273.9 284.8 1.99 5 700 2875 -15.5 -20.1 68 4.6 -16.5 125 19 285.3 285.5 276.0 288.7 1.11 6 685 3038 -16.5 -21.4 66 4.9 -17.5 286.0 286.2 276.2 289.0 1.01 7 617 3824 -16.1 -20.6 68 4.5 -17.1 295.1 295.3 280.8 298.9 1.20 8 561 4535 -19.5 -24.5 64 5.0 -20.5 299.2 299.4 282.3 302.3 0.94 9 500 5380 -25.1 -30.1 63 5.0 -25.9 220 29 302.4 302.6 283.2 304.5 0.63 10 407 6818 -36.1 -42.1 54 6.0 -36.5 306.5 306.6 284.3 307.4 0.23 11 300 8830 -53.7 -59.7 48 6.0 -53.8 225 46 309.7 309.7 285.2 309.8 0.04 12 252 9949 -54.5 -61.5 42 7.0 -54.6 220 48 324.3 324.3 290.1 324.5 0.04 13 250 10000 -54.3 -61.3 42 7.0 -54.4 220 48 325.3 325.3 290.4 325.5 0.04 14 200 11440 -52.5 -60.5 37 8.0 -52.7 230 19 349.6 349.6 296.6 349.9 0.06 15 158 12971 -50.7 -63.7 20 13.0 -51.1 214 11 377.1 377.1 301.8 377.3 0.05 16 150 13310 -50.7 -64.7 17 14.0 -51.2 210 9 382.7 382.7 302.7 382.9 0.04 17 100 15940 -51.3 -70.3 9 19.0 -52.1 200 11 428.6 428.6 308.7 428.8 0.03 18 70 18260 -50.3 -72.3 6 22.0 -51.5 120 7 476.8 476.8 313.2 477.0 0.03 19 50 20470 -49.9 -72.9 5 23.0 -51.5 145 7 525.9 525.9 316.7 526.1 0.04 20 40 21927 -48.7 -71.7 5 23.0 -50.9 143 7 563.5 563.6 318.9 564.0 0.06 21 34 22986 -51.3 -74.3 5 23.0 -53.3 141 7 583.5 583.5 319.9 583.9 0.05 22 30 23800 -49.5 -73.5 4 24.0 -52.1 140 7 609.7 609.7 321.0 610.2 0.06 23 20 26470 -48.5 -72.5 5 24.0 -52.2 80 7 687.7 687.8 324.0 688.6 0.11 24 10 31050 -44.9 -70.9 4 26.0 -52.3 100 25 851.9 852.1 328.5 854.8 0.27 25 9.5 31393 -44.9 -70.9 4 26.0 -52.5 864.5 864.7 328.8 867.6 0.28 TRP 376 -52.9 -58.9 48 6.0 -53.0 230 44 291.3 291.4 277.4 291.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5285.00 m Freezing level: 923.00 mb = 741.32 m = 2432.14 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 68.16 % Est. max temperature: 2.64 C = 36.74 F Sfc-Lift cond lev (LCL): 860.33 mb = 1297.60 m = 4257.16 ft T: -6.27 C 700-500 lapse rate: 3.83 C/km ThetaE index: 3.37 C Layer 860.0- 850.0 mb Conv cond level (CCL): 793.02 mb = 1922.02 m = 6305.76 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 1.84 C = 35.31 F Cap Strength: 12.71 C Lifted Index: 14.43 C Risk: None Lifted Index @300 mb: 17.00 C Lifted Index @700 mb: 3.05 C Showalter Index: 15.08 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 18.40 C Cross Totals Index: 14.40 C K Index: 3.10 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 4.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.93 J/kg Max Up Vert Vel: 2.81 m/s Conv Inhibition (B-): 60641.68 J/kg Cap Strength: 14.15 C Lift Cond Lev (LCL): 818.97 mb = 1676.06 m = 5498.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 376 7231 230 44 33.7 28.3 1 923 741 80 5 -4.9 -0.9 2 850 1392 110 17 -16.0 5.8 3 700 2875 125 19 -15.6 10.9 4 500 5380 220 29 18.6 22.2 5 400 6970 230 42 32.2 27.0 6 300 8830 225 46 32.5 32.5 7 250 10000 220 48 30.9 36.8 8 200 11440 230 19 14.6 12.2 9 150 13310 210 9 4.5 7.8 10 100 15940 200 11 3.8 10.3 11 70 18260 120 7 -6.1 3.5 12 50 20470 145 7 -4.0 5.7 13 30 23800 140 7 -4.5 5.4 14 20 26470 80 7 -6.9 -1.2 15 10 31050 100 25 -24.6 4.3 Wind Parameters Energy-Hel index: -0.25 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20250504.00.gif