UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041711.upa.cvt Date: 1100Z 17 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 17 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 99 1 925 756 2 850 1453 3 700 2972 SFC 678 3255 -27.9 -32.9 62 5.0 -28.4 225 11 274.1 274.1 268.1 275.2 0.35 5 676 3276 -28.5 -38.5 38 10.0 -29.3 225 11 273.6 273.7 267.5 274.3 0.20 6 674 3297 -24.1 -41.1 19 17.0 -25.5 226 12 278.8 278.8 270.7 279.3 0.16 7 671 3328 -22.1 -39.1 20 17.0 -23.8 226 12 281.4 281.4 272.3 282.0 0.19 8 638 3691 -21.9 -24.9 77 3.0 -22.4 232 16 285.7 285.8 275.7 288.2 0.79 9 626 3827 -22.9 -24.8 84 1.9 -23.2 234 18 286.1 286.3 275.9 288.6 0.82 10 500 5410 -32.1 -35.2 74 3.1 -32.4 260 37 293.9 294.0 279.1 295.2 0.38 11 418 6651 -40.5 -43.5 73 3.0 -40.7 272 45 298.6 298.6 281.0 299.2 0.19 12 400 6950 -41.3 -44.4 72 3.1 -41.5 275 47 301.3 301.3 282.1 302.0 0.18 13 356 7736 -45.3 -49.2 65 3.9 -45.4 281 56 306.2 306.2 284.0 306.6 0.12 14 300 8860 -53.5 -57.0 65 3.5 -53.6 290 68 309.9 309.9 285.4 310.2 0.06 15 277 9367 -57.3 -60.1 70 2.8 -57.3 290 73 311.6 311.6 285.9 311.7 0.04 16 268 9575 -58.9 -61.4 73 2.5 -58.9 290 71 312.2 312.2 286.2 312.4 0.04 17 259 9788 -58.9 -69.9 23 11.0 -59.0 288 61 315.3 315.3 287.2 315.3 0.01 18 250 10010 -58.1 -70.1 20 12.0 -58.2 285 51 319.7 319.7 288.6 319.7 0.01 19 200 11440 -50.7 -80.7 2 30.0 -51.1 280 31 352.5 352.5 297.2 352.5 0.00 20 187 11881 -48.1 -80.1 1 32.0 -48.7 271 28 363.5 363.5 299.4 363.5 0.00 21 150 13340 -47.3 -80.3 1 33.0 -48.1 240 18 388.6 388.6 303.6 388.6 0.00 22 143 13657 -45.7 -79.7 1 34.0 -46.7 238 17 396.7 396.7 304.8 396.7 0.00 23 100 16030 -47.1 -81.1 1 34.0 -48.4 225 12 436.7 436.7 309.6 436.7 0.01 24 70 18380 -47.1 -82.1 1 35.0 -48.8 225 9 483.6 483.6 313.7 483.7 0.01 25 50 20610 -46.7 -81.7 1 35.0 -49.0 230 5 533.4 533.4 317.1 533.5 0.01 26 38 22426 -47.7 -82.7 1 35.0 -50.3 574.4 574.4 319.4 574.5 0.01 TRP 268 9575 -58.9 -61.4 73 2.5 -58.9 290 71 312.2 312.2 286.2 312.4 0.04 WND 277 9367 -57.3 -60.1 70 2.8 -57.3 290 73 311.6 311.6 285.9 311.7 0.04 Sounding variables and indices 1000-500 mb thick: 5311.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 72.46 % Est. max temperature: -11.83 C = 10.70 F Sfc-Lift cond lev (LCL): 623.12 mb = 3859.30 m = 12661.58 ft T: -23.09 C Conv cond level (CCL): 678.00 mb = 3255.00 m = 10679.00 ft Mean mixing ratio: 0.63 g/kg Conv temperature: -26.83 C = -16.29 F Cap Strength: 2.69 C Lifted Index: 6.14 C Risk: None Lifted Index @300 mb: 16.03 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.60 J/kg Max Up Vert Vel: 9.44 m/s Conv Inhibition (B-): 38041.40 J/kg Cap Strength: 5.95 C Lift Cond Lev (LCL): 584.05 mb = 4315.37 m = 14157.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 305 at 32 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 ---------------------------------------------------------- 0 678 3255 225 11 7.8 7.8 | 144 32 -18.6 26.1 1 500 5410 260 37 36.4 6.4 | 202 27 10.1 24.7 2 400 6950 275 47 46.8 -4.1 | 235 25 20.4 14.2 3 300 8860 290 68 63.9 -23.3 | 278 38 37.5 -5.0 4 277 9367 290 73 68.6 -25.0 | 279 43 42.2 -6.7 5 268 9575 290 71 66.7 -24.3 | 278 41 40.3 -6.0 6 250 10010 285 51 49.3 -13.2 | 257 23 22.9 5.1 7 200 11440 280 31 30.5 -5.4 | 198 14 4.2 12.9 8 150 13340 240 18 15.6 9.0 | 158 29 -10.8 27.3 9 100 16030 225 12 8.5 8.5 | 146 32 -17.9 26.8 10 70 18380 225 9 6.4 6.4 | 141 32 -20.0 24.7 11 50 20610 230 5 3.8 3.2 | 134 31 -22.5 21.5 Wind Parameters Mean winds (0-6000m): 274.7 at 42.8 knts Storm direction: 304.7 at 32.1 knts Shear (0-3000m) pos: 6.1 neg: 0.0 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 74.9 deg Storm rel helicity (0-3000m) pos: 285.0 neg: 0.0 tot: 285.0 m^2/s^2 ave: 95.0 10^-3 m/s^2 rel: 0.98 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 6.4 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.35 Bulk Shear: 128.52 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 ------------------------------------------------------------------------------- 500 258 12 146 25| 6.5 0.0 6.5| 52.8 0.0 52.8 105.6 0.99| 6.5 6.5 1000 250 16 154 26| 6.6 0.0 6.6|106.0 0.0 106.0 106.0 0.99| 6.7 6.6 1500 249 19 162 26| 6.7 0.0 6.7|159.7 0.0 159.7 106.4 0.98| 6.9 6.8 2000 251 23 170 26| 6.8 0.0 6.8|214.2 0.0 214.2 107.1 0.98| 7.1 7.0 2500 254 26 177 25| 6.5 0.0 6.5|253.0 0.0 253.0 101.2 0.98| 6.8 6.7 3000 257 28 183 25| 6.1 0.0 6.1|285.0 0.0 285.0 95.0 0.98| 6.5 6.4 4000 263 33 196 23| 5.7 0.0 5.7|355.6 0.0 355.6 88.9 0.98| 6.3 6.2 5000 269 38 210 22| 5.8 0.0 5.8|446.5 0.0 446.5 89.3 0.96| 6.4 6.1 6000 275 43 228 22| 5.8 0.0 5.8|519.9 0.0 519.9 86.6 0.90| 6.4 5.8 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250417.11.gif