UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043011.upa.cvt Date: 1100Z 30 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 30 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 -47 1 925 621 2 850 1324 3 700 2862 SFC 669 3255 -17.5 -23.5 59 6.0 -18.7 180 12 286.8 286.9 276.4 289.4 0.86 5 660 3353 -18.9 -21.1 83 2.2 -19.3 180 13 286.3 286.5 276.5 289.6 1.08 6 638 3598 -20.5 -21.9 89 1.4 -20.8 182 15 287.3 287.5 276.9 290.5 1.04 7 620 3805 -19.9 -22.8 78 2.9 -20.5 183 17 290.4 290.5 278.3 293.4 0.99 8 553 4624 -25.7 -29.4 71 3.7 -26.2 187 25 293.1 293.2 279.1 295.1 0.61 9 510 5192 -30.1 -32.1 83 2.0 -30.3 189 31 294.7 294.8 279.7 296.3 0.51 10 500 5330 -30.3 -33.5 74 3.2 -30.7 190 32 296.1 296.2 280.3 297.6 0.45 11 413 6670 -36.9 -39.8 74 2.9 -37.1 194 40 304.2 304.3 283.5 305.2 0.29 12 400 6890 -38.7 -41.2 77 2.5 -38.9 195 41 304.7 304.7 283.7 305.6 0.26 13 357 7662 -42.9 -45.1 79 2.2 -43.0 195 49 309.1 309.2 285.2 309.8 0.19 14 351 7776 -43.7 -47.3 67 3.6 -43.9 195 50 309.5 309.6 285.4 310.1 0.15 15 311 8576 -50.5 -52.6 78 2.1 -50.5 195 58 311.0 311.0 285.8 311.3 0.09 16 300 8810 -51.5 -54.1 74 2.6 -51.6 195 60 312.8 312.8 286.4 313.1 0.08 17 298 8853 -51.7 -53.3 83 1.6 -51.7 194 61 313.1 313.1 286.5 313.4 0.09 18 281 9233 -53.7 -58.9 53 5.2 -53.8 190 73 315.5 315.5 287.3 315.7 0.05 19 260 9730 -56.3 -66.3 27 10.0 -56.4 195 66 318.8 318.8 288.3 318.8 0.02 20 250 9980 -54.7 -69.7 14 15.0 -54.9 200 54 324.7 324.7 290.2 324.8 0.01 21 248 10031 -53.3 -71.3 9 18.0 -53.5 200 53 327.6 327.6 291.0 327.6 0.01 22 231 10490 -50.7 -77.7 3 27.0 -51.1 202 47 338.3 338.3 293.9 338.3 0.00 23 200 11430 -49.1 -79.1 2 30.0 -49.6 205 33 355.0 355.0 297.7 355.0 0.00 24 165 12700 -45.1 -78.1 1 33.0 -46.1 205 22 381.8 381.8 302.5 381.8 0.01 25 152 13243 -48.7 -79.7 2 31.0 -49.4 205 18 384.7 384.7 303.0 384.7 0.00 26 150 13330 -47.9 -79.9 1 32.0 -48.7 205 17 387.5 387.5 303.4 387.5 0.00 27 130 14277 -46.5 -79.5 1 33.0 -47.6 207 16 406.2 406.2 306.0 406.3 0.01 28 100 16010 -48.9 -80.9 1 32.0 -50.0 210 13 433.2 433.2 309.2 433.3 0.01 29 70 18350 -49.3 -81.3 1 32.0 -50.7 205 9 478.9 478.9 313.4 479.0 0.01 30 50 20560 -49.5 -82.5 1 33.0 -51.3 225 6 526.8 526.8 316.7 526.9 0.01 31 38 22359 -49.3 -82.3 1 33.0 -51.6 570.3 570.4 319.2 570.4 0.01 TRP 260 9730 -56.3 -66.3 27 10.0 -56.4 195 66 318.8 318.8 288.3 318.8 0.02 WND 281 9233 -53.7 -58.9 53 5.2 -53.8 190 73 315.5 315.5 287.3 315.7 0.05 Sounding variables and indices 1000-500 mb thick: 5377.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 77.32 % Est. max temperature: -10.77 C = 12.61 F Sfc-Lift cond lev (LCL): 606.26 mb = 3965.45 m = 13009.86 ft T: -21.04 C Conv cond level (CCL): 565.56 mb = 4462.79 m = 14641.52 ft Mean mixing ratio: 0.92 g/kg Conv temperature: -12.33 C = 9.81 F Cap Strength: 3.04 C Lifted Index: 4.07 C Risk: None Lifted Index @300 mb: 14.46 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 38.67 J/kg Max Up Vert Vel: 8.79 m/s Conv Inhibition (B-): 38575.59 J/kg Cap Strength: 4.05 C Lift Cond Lev (LCL): 590.40 mb = 4155.16 m = 13632.23 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 223 at 29 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 ---------------------------------------------------------- 0 669 3255 180 12 0.0 12.0 | 65 22 -19.6 -9.3 1 500 5330 190 32 5.6 31.5 | 126 17 -14.1 10.2 2 400 6890 195 41 10.6 39.6 | 154 20 -9.0 18.3 3 300 8810 195 60 15.5 58.0 | 174 37 -4.1 36.6 4 281 9233 190 73 12.7 71.9 | 172 51 -7.0 50.5 5 260 9730 195 66 17.1 63.8 | 177 42 -2.6 42.4 6 250 9980 200 54 18.5 50.7 | 178 29 -1.2 29.4 7 200 11430 205 33 13.9 29.9 | 146 10 -5.7 8.6 8 150 13330 205 17 7.2 15.4 | 65 14 -12.5 -5.9 9 100 16010 210 13 6.5 11.3 | 52 17 -13.1 -10.1 10 70 18350 205 9 3.8 8.2 | 50 21 -15.8 -13.2 11 50 20560 225 6 4.2 4.2 | 42 23 -15.4 -17.1 Wind Parameters Mean winds (0-6000m): 192.6 at 38.7 knts Storm direction: 222.6 at 29.0 knts Shear (0-3000m) pos: 4.4 neg: 0.0 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 78.6 deg Storm rel helicity (0-3000m) pos: 119.8 neg: 0.0 tot: 119.8 m^2/s^2 ave: 39.9 10^-3 m/s^2 rel: 0.96 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 4.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.45 Bulk Shear: 86.33 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 ------------------------------------------------------------------------------- 500 187 13 66 20| 5.0 0.0 5.0| 23.3 0.0 23.3 46.6 0.88| 5.0 4.4 1000 186 16 73 19| 5.0 0.0 5.0| 45.9 0.0 45.9 45.9 0.91| 5.0 4.6 1500 186 19 81 18| 5.0 0.0 5.0| 68.1 0.0 68.1 45.4 0.94| 5.0 4.7 2000 187 22 90 17| 5.0 0.0 5.0| 90.5 0.0 90.5 45.2 0.95| 5.1 4.8 2500 188 24 98 16| 4.7 0.0 4.7|105.6 0.0 105.6 42.3 0.96| 4.7 4.5 3000 189 26 105 16| 4.4 0.0 4.4|119.8 0.0 119.8 39.9 0.96| 4.5 4.3 4000 191 30 119 16| 4.3 0.0 4.3|151.1 0.0 151.1 37.8 0.92| 4.3 3.9 5000 192 34 133 17| 3.4 1.0 4.4|186.3 0.0 186.3 37.3 0.82| 4.5 3.7 6000 193 39 146 20| 2.8 2.4 5.3|205.7 -11.4 194.3 32.4 0.59| 5.4 3.2 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250430.11.gif