UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042911.upa.cvt Date: 1100Z 29 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 29 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 2 1 925 664 2 850 1364 3 700 2896 SFC 671 3255 -21.1 -27.1 58 6.0 -22.0 135 11 282.5 282.6 273.7 284.4 0.62 5 670 3266 -23.7 -24.3 95 0.6 -23.8 135 11 279.7 279.9 272.3 282.1 0.80 6 669 3276 -21.7 -22.5 93 0.8 -21.8 135 11 282.1 282.2 273.9 284.9 0.94 7 666 3309 -21.3 -22.9 87 1.6 -21.6 136 11 282.9 283.1 274.3 285.6 0.91 8 637 3630 -20.1 -22.7 80 2.6 -20.6 142 14 287.9 288.1 277.1 290.9 0.97 9 570 4428 -25.3 -33.3 47 8.0 -26.3 157 20 291.1 291.1 277.9 292.4 0.40 10 500 5350 -31.1 -34.0 76 2.9 -31.4 175 27 295.1 295.2 279.8 296.5 0.43 11 494 5435 -31.9 -34.2 80 2.3 -32.1 176 27 295.2 295.2 279.8 296.6 0.43 12 458 5966 -35.3 -38.0 76 2.7 -35.5 181 29 297.4 297.4 280.6 298.4 0.32 13 435 6324 -36.1 -41.1 60 5.0 -36.5 184 30 300.8 300.8 282.0 301.6 0.24 14 400 6900 -40.9 -45.9 58 5.0 -41.2 190 32 301.8 301.9 282.3 302.4 0.16 15 364 7535 -45.5 -52.5 45 7.0 -45.7 197 30 303.9 304.0 283.1 304.2 0.08 16 300 8800 -54.1 -57.4 67 3.3 -54.2 210 26 309.1 309.1 285.1 309.3 0.05 17 266 9566 -59.1 -62.0 69 2.9 -59.2 200 31 312.6 312.6 286.3 312.7 0.03 18 263 9637 -59.1 -62.5 65 3.4 -59.2 203 31 313.6 313.6 286.6 313.7 0.03 19 258 9759 -55.9 -69.9 16 14.0 -56.1 207 31 320.1 320.1 288.8 320.1 0.01 20 250 9960 -55.7 -69.7 16 14.0 -55.9 215 31 323.3 323.3 289.8 323.3 0.01 21 235 10356 -53.1 -76.1 4 23.0 -53.4 214 30 333.0 333.0 292.5 333.0 0.01 22 233 10411 -53.3 -77.3 4 24.0 -53.6 213 30 333.5 333.5 292.7 333.5 0.00 23 226 10609 -48.5 -78.5 2 30.0 -49.0 213 29 343.7 343.7 295.2 343.8 0.00 24 214 10966 -50.3 -79.3 2 29.0 -50.7 212 28 346.3 346.4 295.8 346.4 0.00 25 200 11410 -47.3 -79.3 1 32.0 -48.0 210 27 357.9 357.9 298.3 357.9 0.00 26 198 11476 -46.5 -78.5 1 32.0 -47.2 209 27 360.2 360.2 298.7 360.2 0.00 27 170 12482 -48.7 -80.7 1 32.0 -49.4 202 21 372.6 372.6 301.0 372.6 0.00 28 163 12759 -46.1 -79.1 1 33.0 -47.0 199 20 381.4 381.4 302.5 381.5 0.00 29 150 13310 -46.7 -79.7 1 33.0 -47.6 195 17 389.6 389.6 303.8 389.6 0.00 30 122 14683 -45.9 -79.9 1 34.0 -47.1 203 14 414.8 414.8 307.1 414.8 0.01 31 100 16000 -48.5 -81.5 1 33.0 -49.6 210 12 434.0 434.0 309.3 434.0 0.01 32 70 18340 -49.3 -82.3 1 33.0 -50.7 175 2 478.9 478.9 313.4 479.0 0.01 33 50 20550 -49.1 -82.1 1 33.0 -51.0 145 6 527.8 527.8 316.8 527.8 0.01 34 45 21243 -48.3 -82.3 1 34.0 -50.5 545.9 545.9 317.9 545.9 0.01 TRP 266 9566 -59.1 -62.0 69 2.9 -59.2 200 31 312.6 312.6 286.3 312.7 0.03 WND Sounding variables and indices 1000-500 mb thick: 5348.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 66.16 % Est. max temperature: -10.98 C = 12.24 F Sfc-Lift cond lev (LCL): 607.48 mb = 3971.01 m = 13028.10 ft T: -22.32 C Conv cond level (CCL): 549.36 mb = 4687.70 m = 15379.41 ft Mean mixing ratio: 0.77 g/kg Conv temperature: -12.44 C = 9.61 F Cap Strength: 2.45 C Lifted Index: 4.86 C Risk: None Lifted Index @300 mb: 13.32 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.19 J/kg Max Up Vert Vel: 8.97 m/s Conv Inhibition (B-): 31642.02 J/kg Cap Strength: 4.71 C Lift Cond Lev (LCL): 583.65 mb = 4258.31 m = 13970.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 216 at 19 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 11 -7.8 7.8 | 68 21 -19.2 -7.7 1 500 5350 175 27 -2.4 26.9 | 130 18 -13.8 11.4 2 400 6900 190 32 5.6 31.5 | 160 17 -5.9 16.1 3 300 8800 210 26 13.0 22.5 | 192 7 1.6 7.1 4 266 9566 200 31 10.6 29.1 | 177 14 -0.8 13.7 5 250 9960 215 31 17.8 25.4 | 213 12 6.3 9.9 6 200 11410 210 27 13.5 23.4 | 195 8 2.1 7.9 7 150 13310 195 17 4.4 16.4 | 98 7 -7.0 1.0 8 100 16000 210 12 6.0 10.4 | 47 7 -5.4 -5.1 9 70 18340 175 2 -0.2 2.0 | 41 18 -11.6 -13.5 10 50 20550 145 6 -3.4 4.9 | 55 18 -14.9 -10.5 Wind Parameters Mean winds (0-6000m): 186.5 at 25.6 knts Storm direction: 216.5 at 19.2 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 78.4 deg Storm rel helicity (0-3000m) pos: 130.3 neg: 0.0 tot: 130.3 m^2/s^2 ave: 43.4 10^-3 m/s^2 rel: 0.99 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 4.4 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1.19 Bulk Shear: 33.74 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 ------------------------------------------------------------------------------- 500 159 12 75 16| 4.5 0.0 4.5| 23.7 0.0 23.7 47.5 1.00| 4.5 4.5 1000 157 14 82 17| 4.6 0.0 4.6| 48.5 0.0 48.5 48.5 0.99| 4.7 4.7 1500 159 16 89 17| 4.7 0.0 4.7| 74.2 0.0 74.2 49.4 0.99| 4.9 4.8 2000 163 19 98 17| 4.9 0.0 4.9|101.0 0.0 101.0 50.5 0.99| 5.1 5.0 2500 167 20 105 17| 4.5 0.0 4.5|116.9 0.0 116.9 46.8 0.99| 4.8 4.7 3000 170 22 112 16| 4.1 0.0 4.1|130.3 0.0 130.3 43.4 0.99| 4.5 4.4 4000 176 24 124 16| 3.5 0.0 3.5|153.5 0.0 153.5 38.4 0.96| 4.2 4.0 5000 182 25 133 14| 2.7 0.0 2.7|164.3 0.0 164.3 32.9 0.89| 4.0 3.5 6000 186 26 140 13| 2.2 0.3 2.5|168.2 -3.6 164.6 27.4 0.76| 3.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250429.11.gif