UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042711.upa.cvt Date: 1100Z 27 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 27 APR 25 Station: 04417 WMO ident: 4417 Latitude: 72.58 Longitude: -38.46 Elevation: 3255.00 ------------------------------------------------------------------------------- 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 -39 1 925 629 2 850 1336 3 700 2884 SFC 671 3255 -17.9 -24.9 54 7.0 -19.1 135 14 286.1 286.2 275.9 288.4 0.76 5 667 3298 -19.5 -21.2 86 1.7 -19.8 135 14 284.8 285.0 275.6 288.0 1.05 6 625 3769 -18.5 -20.4 85 1.9 -18.9 133 14 291.3 291.5 279.1 295.0 1.21 7 553 4649 -23.7 -27.2 73 3.5 -24.3 128 15 295.5 295.6 280.4 297.9 0.74 8 500 5360 -29.3 -31.7 80 2.4 -29.6 125 15 297.3 297.4 280.9 299.1 0.54 9 470 5801 -32.3 -33.7 87 1.4 -32.4 124 16 298.9 299.0 281.5 300.5 0.47 10 400 6920 -41.5 -44.4 73 2.9 -41.6 120 18 301.1 301.1 282.0 301.7 0.18 11 367 7499 -45.9 -50.0 63 4.1 -46.0 124 26 302.7 302.7 282.6 303.1 0.11 12 351 7794 -48.5 -50.2 82 1.7 -48.6 127 30 303.1 303.1 282.8 303.5 0.11 13 300 8810 -56.1 -58.3 76 2.2 -56.1 135 44 306.3 306.3 284.0 306.5 0.05 14 299 8831 -56.1 -58.3 76 2.2 -56.1 135 44 306.6 306.6 284.1 306.7 0.05 15 288 9068 -57.3 -63.3 46 6.0 -57.4 135 42 308.2 308.2 284.7 308.3 0.03 16 250 9970 -53.3 -75.3 5 22.0 -53.6 130 28 326.8 326.8 290.8 326.8 0.01 17 232 10451 -50.1 -74.1 4 24.0 -50.5 135 25 338.7 338.7 294.0 338.8 0.01 18 200 11420 -47.9 -78.9 2 31.0 -48.5 145 20 356.9 356.9 298.1 356.9 0.00 19 165 12696 -45.9 -78.9 1 33.0 -46.8 145 19 380.5 380.5 302.3 380.5 0.00 20 150 13330 -46.9 -79.9 1 33.0 -47.8 145 18 389.2 389.2 303.7 389.3 0.00 21 137 13932 -45.5 -79.5 1 34.0 -46.6 158 17 401.9 401.9 305.5 402.0 0.01 22 111 15321 -49.7 -81.7 1 32.0 -50.5 190 14 419.0 419.0 307.6 419.0 0.00 23 104 15750 -46.1 -80.1 1 34.0 -47.4 199 13 433.8 433.8 309.3 433.8 0.01 24 100 16010 -47.3 -80.3 1 33.0 -48.5 205 13 436.3 436.3 309.5 436.4 0.01 25 87 16924 -50.7 -82.7 1 32.0 -51.7 176 11 447.2 447.2 310.6 447.3 0.00 26 70 18350 -47.7 -81.7 1 34.0 -49.3 130 8 482.3 482.3 313.7 482.4 0.01 27 68 18542 -47.5 -81.5 1 34.0 -49.2 130 8 486.8 486.8 314.0 486.8 0.01 28 51 20431 -50.5 -82.5 1 32.0 -52.1 135 6 521.5 521.5 316.4 521.6 0.01 29 50 20560 -50.5 -82.5 1 32.0 -52.1 135 6 524.5 524.5 316.6 524.5 0.01 30 34 23084 -48.9 -81.9 1 33.0 -51.5 589.8 589.8 320.2 589.9 0.01 TRP 288 9068 -57.3 -63.3 46 6.0 -57.4 135 42 308.2 308.2 284.7 308.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5399.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 79.31 % Est. max temperature: -8.54 C = 16.63 F Sfc-Lift cond lev (LCL): 598.06 mb = 4085.82 m = 13404.77 ft T: -20.37 C Conv cond level (CCL): 561.30 mb = 4542.12 m = 14901.79 ft Mean mixing ratio: 1.06 g/kg Conv temperature: -9.97 C = 14.06 F Cap Strength: 3.35 C Lifted Index: 4.02 C Risk: None Lifted Index @300 mb: 8.80 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 49.73 J/kg Max Up Vert Vel: 9.97 m/s Conv Inhibition (B-): 39970.16 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 597.06 mb = 4097.87 m = 13444.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 160 at 17 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 ---------------------------------------------------------- 0 671 3255 135 14 -9.9 9.9 | 34 7 -4.0 -6.0 1 500 5360 125 15 -12.3 8.6 | 41 10 -6.4 -7.3 2 400 6920 120 18 -15.6 9.0 | 55 12 -9.7 -6.9 3 300 8810 135 44 -31.1 31.1 | 121 29 -25.2 15.2 4 288 9068 135 42 -29.7 29.7 | 120 27 -23.8 13.8 5 250 9970 130 28 -21.4 18.0 | 98 16 -15.5 2.1 6 200 11420 145 20 -11.5 16.4 | 95 6 -5.5 0.5 7 150 13330 145 18 -10.3 14.7 | 76 5 -4.4 -1.1 8 100 16010 205 13 5.5 11.8 | 290 12 11.4 -4.1 9 70 18350 130 8 -6.1 5.1 | 1 11 -0.2 -10.7 10 50 20560 135 6 -4.2 4.2 | 352 12 1.7 -11.6 Wind Parameters Mean winds (0-6000m): 129.5 at 22.6 knts Storm direction: 159.5 at 17.0 knts Shear (0-3000m) pos: 0.0 neg: 0.8 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): 16.1 deg Storm rel helicity (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 m^2/s^2 ave: 2.1 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 0.8 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.01 Bulk Shear: 9.93 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 ------------------------------------------------------------------------------- 500 134 14 34 7| 0.0 0.6 0.6| 0.6 0.0 0.6 1.3 0.52| 0.6 0.3 1000 133 14 36 8| 0.0 0.7 0.7| 1.2 0.0 1.2 1.2 0.48| 0.7 0.3 1500 131 14 37 8| 0.0 0.7 0.7| 1.8 0.0 1.8 1.2 0.44| 0.7 0.3 2000 130 14 38 8| 0.0 0.7 0.7| 2.3 0.0 2.3 1.1 0.40| 0.7 0.3 2500 129 15 39 9| 0.0 0.7 0.7| 4.2 0.0 4.2 1.7 0.50| 0.7 0.4 3000 128 15 41 9| 0.0 0.8 0.8| 6.4 0.0 6.4 2.1 0.56| 0.8 0.4 4000 126 16 46 10| 0.6 0.7 1.3| 23.8 0.0 23.8 6.0 0.74| 1.4 1.0 5000 127 19 62 10| 2.0 0.6 2.5| 74.3 0.0 74.3 14.9 0.74| 2.6 1.9 6000 130 23 83 12| 2.3 0.4 2.7|109.6 -13.5 96.1 16.0 0.58| 3.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250427.11.gif