UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050500.upa.cvt Date: 0000Z 5 MAY 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 5 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 72 1 925 705 130 9 SFC 921 740 1.4 -4.6 64 6.0 -0.9 130 9 281.1 281.6 276.3 289.4 2.95 3 869 1200 -3.9 -8.9 68 5.0 -5.5 123 12 280.3 280.7 274.9 286.7 2.24 4 858 1300 -4.7 -9.7 68 5.0 -6.3 121 13 280.5 280.8 274.9 286.6 2.13 5 850 1373 -4.9 -9.7 69 4.8 -6.5 120 13 281.0 281.4 275.2 287.2 2.15 6 770 2147 -9.3 -12.5 78 3.2 -10.2 128 17 284.3 284.7 276.6 289.9 1.90 7 736 2497 -9.9 -12.8 79 2.9 -10.8 131 19 287.4 287.7 278.2 293.1 1.94 8 734 2518 -9.9 -12.8 79 2.9 -10.8 131 19 287.6 287.9 278.3 293.4 1.94 9 700 2884 -11.5 -15.0 75 3.5 -12.5 135 21 289.7 290.0 279.0 294.9 1.70 10 695 2939 -11.7 -15.3 75 3.6 -12.7 135 21 290.1 290.4 279.1 295.2 1.67 11 656 3377 -15.3 -20.3 66 5.0 -16.4 135 19 290.9 291.1 278.9 294.5 1.16 12 624 3755 -15.1 -20.1 66 5.0 -16.3 135 18 295.3 295.5 281.0 299.2 1.24 13 596 4100 -16.7 -21.7 65 5.0 -17.9 135 16 297.4 297.6 281.7 300.9 1.13 14 549 4713 -19.5 -25.5 59 6.0 -20.7 135 14 301.1 301.3 283.0 304.0 0.87 15 500 5400 -24.5 -30.5 57 6.0 -25.4 135 11 303.2 303.3 283.5 305.2 0.60 16 413 6767 -33.7 -39.7 55 6.0 -34.3 152 20 308.4 308.4 285.1 309.4 0.29 17 400 6990 -35.9 -41.9 54 6.0 -36.4 155 21 308.3 308.4 285.0 309.2 0.24 18 300 8920 -51.9 -58.9 43 7.0 -52.1 155 29 312.2 312.2 286.2 312.4 0.05 19 288 9183 -54.7 -61.7 42 7.0 -54.8 158 28 311.9 311.9 286.0 312.0 0.03 20 250 10080 -59.3 -66.3 40 7.0 -59.4 170 25 317.9 317.9 288.1 318.0 0.02 21 245 10206 -60.1 -67.1 39 7.0 -60.2 175 23 318.6 318.6 288.3 318.6 0.02 22 200 11490 -51.7 -59.7 38 8.0 -52.0 185 15 350.9 350.9 296.9 351.2 0.06 23 191 11792 -49.3 -59.3 30 10.0 -49.7 187 15 359.4 359.4 298.7 359.7 0.07 24 150 13380 -51.1 -65.1 17 14.0 -51.6 195 15 382.0 382.0 302.6 382.2 0.04 25 147 13511 -50.9 -65.9 15 15.0 -51.4 195 15 384.6 384.6 303.0 384.8 0.04 26 102 15891 -50.1 -69.1 9 19.0 -51.0 185 11 428.5 428.5 308.7 428.7 0.03 27 100 16020 -50.3 -69.3 9 19.0 -51.1 185 11 430.5 430.5 308.9 430.7 0.03 28 87 16925 -50.7 -70.7 8 20.0 -51.6 187 11 447.2 447.2 310.6 447.4 0.03 29 70 18340 -49.9 -71.9 6 22.0 -51.1 190 11 477.6 477.6 313.2 477.8 0.03 30 62 19134 -49.7 -72.7 5 23.0 -51.1 494.9 495.0 314.6 495.1 0.03 31 50 20541 -50.1 -74.1 4 24.0 -51.7 525.4 525.4 316.6 525.6 0.03 TRP 245 10206 -60.1 -67.1 39 7.0 -60.2 175 23 318.6 318.6 288.3 318.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5328.00 m Freezing level: 907.26 mb = 861.25 m = 2825.59 ft Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 67.81 % Est. max temperature: 4.52 C = 40.14 F Sfc-Lift cond lev (LCL): 838.85 mb = 1476.32 m = 4843.51 ft T: -5.49 C 700-500 lapse rate: 5.17 C/km ThetaE index: 2.85 C Layer 869.0- 850.0 mb Conv cond level (CCL): 717.53 mb = 2693.07 m = 8835.43 ft Mean mixing ratio: 2.36 g/kg Conv temperature: 8.76 C = 47.76 F Cap Strength: 12.59 C Lifted Index: 13.51 C Risk: None Lifted Index @300 mb: 17.40 C Lifted Index @700 mb: 5.65 C Showalter Index: 13.86 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 14.80 C K Index: 6.40 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.32 J/kg Max Up Vert Vel: 3.55 m/s Conv Inhibition (B-): 33042.77 J/kg Cap Strength: 13.42 C Lift Cond Lev (LCL): 803.59 mb = 1812.56 m = 5946.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 165 at 12 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 ---------------------------------------------------------- 0 921 740 130 9 -6.9 5.8 | 35 7 -3.9 -5.5 1 850 1373 120 13 -11.3 6.5 | 60 10 -8.3 -4.8 2 700 2884 135 21 -14.8 14.8 | 107 12 -11.9 3.6 3 500 5400 135 11 -7.8 7.8 | 54 6 -4.8 -3.5 4 400 6990 155 21 -8.9 19.0 | 143 10 -5.9 7.8 5 300 8920 155 29 -12.3 26.3 | 148 18 -9.3 15.0 6 250 10080 170 25 -4.3 24.6 | 174 13 -1.3 13.3 7 245 10206 175 23 -2.0 22.9 | 185 12 1.0 11.6 8 200 11490 185 15 1.3 14.9 | 230 6 4.3 3.7 9 150 13380 195 15 3.9 14.5 | 245 8 6.9 3.2 10 100 16020 185 11 1.0 11.0 | 275 4 4.0 -0.3 11 70 18340 190 11 1.9 10.8 | 275 5 4.9 -0.4 Wind Parameters Mean winds (0-6000m): 135.1 at 15.6 knts Storm direction: 165.1 at 11.7 knts Shear (0-3000m) pos: 1.4 neg: 0.4 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 61.7 deg Storm rel helicity (0-3000m) pos: 30.9 neg: -4.9 tot: 26.0 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.59 Bulk Shear: 3.96 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 ------------------------------------------------------------------------------- 500 125 11 47 8| 0.0 3.6 3.6| 5.5 0.0 5.5 11.0 0.80| 3.6 2.9 1000 123 12 57 8| 1.4 1.8 3.2| 12.2 0.0 12.2 12.2 0.83| 3.4 2.8 1500 125 13 66 9| 1.9 1.2 3.1| 20.0 0.0 20.0 13.4 0.87| 3.3 2.8 2000 127 15 75 9| 2.2 0.9 3.1| 28.6 0.0 28.6 14.3 0.88| 3.2 2.9 2500 129 16 83 9| 1.7 0.7 2.4| 30.9 -1.8 29.1 11.6 0.77| 3.0 2.3 3000 130 16 86 9| 1.4 0.4 1.8| 30.9 -4.9 26.0 8.7 0.61| 2.8 1.7 4000 132 16 87 9| 1.1 0.5 1.5| 30.9 -11.1 19.8 5.0 0.35| 2.6 0.9 5000 132 15 84 8| 1.0 0.6 1.6| 34.1 -14.8 19.3 3.9 0.28| 2.6 0.7 6000 135 16 88 8| 1.4 0.5 1.9| 45.7 -14.8 31.0 5.2 0.42| 2.8 1.2 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20250505.00.gif