UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042111.upa.cvt Date: 1100Z 21 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 21 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 74 1 925 737 2 850 1442 3 700 2969 SFC 677 3255 -32.7 -35.1 79 2.4 -32.9 215 7 268.8 268.9 264.4 269.7 0.29 5 673 3296 -27.1 -27.5 96 0.4 -27.2 217 7 275.6 275.7 269.5 277.3 0.59 6 660 3435 -23.7 -24.1 96 0.4 -23.8 223 7 280.9 281.1 273.1 283.4 0.82 7 648 3567 -22.9 -23.7 93 0.8 -23.0 228 8 283.3 283.5 274.5 285.9 0.87 8 645 3600 -22.9 -24.1 90 1.2 -23.1 229 8 283.7 283.8 274.7 286.3 0.84 9 624 3837 -24.1 -25.5 88 1.4 -24.3 239 8 285.0 285.1 275.3 287.4 0.77 10 612 3976 -23.5 -24.2 94 0.7 -23.6 245 9 287.3 287.4 276.6 290.0 0.88 11 600 4118 -23.5 -25.1 87 1.6 -23.8 251 9 288.9 289.1 277.4 291.5 0.83 12 593 4203 -23.1 -53.1 5 30.0 -25.2 254 9 290.4 290.4 276.9 290.5 0.05 13 579 4375 -22.7 -52.7 5 30.0 -24.9 261 10 292.8 292.8 278.2 293.0 0.05 14 547 4783 -24.3 -41.3 19 17.0 -26.0 278 11 295.7 295.7 279.7 296.4 0.19 15 500 5420 -29.9 -41.9 30 12.0 -30.9 305 12 296.6 296.6 280.1 297.2 0.19 16 499 5434 -30.1 -42.1 30 12.0 -31.1 305 12 296.5 296.5 280.1 297.2 0.19 17 492 5534 -30.9 -36.9 56 6.0 -31.5 308 12 296.7 296.8 280.4 297.8 0.33 18 462 5977 -33.9 -37.8 68 3.9 -34.3 317 12 298.4 298.4 281.1 299.5 0.32 19 400 6970 -41.1 -46.1 58 5.0 -41.3 340 12 301.6 301.6 282.2 302.1 0.15 20 356 7750 -47.3 -51.3 63 4.0 -47.4 334 12 303.5 303.5 282.9 303.8 0.10 21 334 8168 -50.3 -55.3 55 5.0 -50.4 331 13 304.9 305.0 283.5 305.2 0.06 22 300 8860 -55.3 -58.7 66 3.4 -55.4 325 13 307.4 307.4 284.4 307.6 0.05 23 278 9343 -58.5 -60.8 75 2.3 -58.5 330 10 309.6 309.6 285.2 309.7 0.04 24 270 9528 -56.7 -67.7 24 11.0 -56.8 313 11 314.8 314.8 287.0 314.8 0.02 25 250 10020 -53.5 -70.5 11 17.0 -53.7 270 13 326.5 326.5 290.7 326.6 0.01 26 207 11244 -47.5 -78.5 2 31.0 -48.1 278 12 354.1 354.1 297.5 354.1 0.00 27 200 11470 -47.5 -78.5 2 31.0 -48.1 280 12 357.6 357.6 298.2 357.6 0.00 28 173 12432 -47.3 -79.3 1 32.0 -48.0 250 10 373.0 373.0 301.1 373.0 0.00 29 150 13380 -46.7 -79.7 1 33.0 -47.6 220 8 389.6 389.6 303.8 389.6 0.00 30 100 16060 -47.9 -80.9 1 33.0 -49.1 215 21 435.2 435.2 309.4 435.2 0.01 31 76 17862 -50.9 -82.9 1 32.0 -52.0 227 9 464.4 464.4 312.1 464.5 0.01 32 70 18400 -49.9 -82.9 1 33.0 -51.2 230 6 477.6 477.6 313.2 477.7 0.01 33 61 19303 -47.7 -81.7 1 34.0 -49.5 232 7 501.7 501.7 315.1 501.7 0.01 34 50 20610 -49.3 -82.3 1 33.0 -51.1 235 8 527.3 527.3 316.8 527.3 0.01 35 47 21016 -49.5 -81.5 1 32.0 -51.4 536.2 536.2 317.3 536.3 0.01 TRP 278 9343 -58.5 -60.8 75 2.3 -58.5 330 10 309.6 309.6 285.2 309.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5346.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 48.22 % Est. max temperature: -8.31 C = 17.04 F Sfc-Lift cond lev (LCL): 649.87 mb = 3545.90 m = 11633.38 ft T: -23.03 C Conv cond level (CCL): 677.00 mb = 3255.00 m = 10679.00 ft Mean mixing ratio: 0.64 g/kg Conv temperature: -26.64 C = -15.95 F Cap Strength: 8.38 C Lifted Index: 8.46 C Risk: None Lifted Index @300 mb: 14.35 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 76.65 J/kg Max Up Vert Vel: 12.38 m/s Conv Inhibition (B-): 36037.97 J/kg Cap Strength: 8.41 C Lift Cond Lev (LCL): 587.68 mb = 4267.53 m = 14000.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 346 at 8 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 ---------------------------------------------------------- 0 677 3255 215 7 4.0 5.7 | 188 14 2.0 14.0 1 500 5420 305 12 9.8 -6.9 | 260 8 7.8 1.3 2 400 6970 340 12 4.1 -11.3 | 326 4 2.1 -3.1 3 300 8860 325 13 7.5 -10.6 | 294 6 5.4 -2.4 4 278 9343 330 10 5.0 -8.7 | 278 3 3.0 -0.4 5 250 10020 270 13 13.0 -0.0 | 233 14 11.0 8.2 6 200 11470 280 12 11.8 -2.1 | 238 12 9.8 6.1 7 150 13380 220 8 5.1 6.1 | 192 15 3.1 14.3 8 100 16060 215 21 12.0 17.2 | 202 27 10.0 25.4 9 70 18400 230 6 4.6 3.9 | 192 12 2.6 12.1 10 50 20610 235 8 6.6 4.6 | 200 14 4.5 12.8 Wind Parameters Mean winds (0-6000m): 316.2 at 11.3 knts Storm direction: 346.2 at 8.5 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 98.0 deg Storm rel helicity (0-3000m) pos: 49.3 neg: 0.0 tot: 49.3 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 3.0 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 3.16 Bulk Shear: 24.28 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 ------------------------------------------------------------------------------- 500 225 7 193 14| 3.0 0.0 3.0| 10.8 0.0 10.8 21.7 0.99| 3.1 3.0 1000 242 8 203 13| 3.2 0.0 3.2| 21.9 0.0 21.9 21.9 0.96| 3.3 3.1 1500 257 9 212 12| 3.3 0.0 3.3| 32.3 0.0 32.3 21.5 0.94| 3.5 3.2 2000 270 9 222 11| 3.3 0.0 3.3| 41.5 0.0 41.5 20.7 0.91| 3.7 3.4 2500 281 10 230 10| 3.0 0.0 3.0| 46.5 0.0 46.5 18.6 0.89| 3.6 3.2 3000 290 10 238 9| 2.7 0.0 2.7| 49.3 0.0 49.3 16.4 0.87| 3.4 3.0 4000 305 11 252 7| 2.2 0.0 2.2| 52.7 -0.4 52.3 13.1 0.84| 3.0 2.5 5000 313 11 263 6| 1.7 0.2 1.9| 52.7 -2.0 50.7 10.1 0.73| 2.6 1.9 6000 316 11 269 6| 1.3 0.2 1.6| 52.7 -4.1 48.6 8.1 0.58| 2.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250421.11.gif