UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042311.upa.cvt Date: 1100Z 23 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 23 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 73 1 925 737 2 850 1437 3 700 2963 SFC 677 3255 -27.7 -32.1 66 4.4 -28.2 195 8 274.4 274.5 268.4 275.6 0.38 5 674 3287 -22.3 -23.3 92 1.0 -22.5 196 8 280.8 281.0 273.1 283.4 0.87 6 661 3427 -20.5 -22.2 86 1.7 -20.8 198 9 284.4 284.6 275.3 287.4 0.97 7 633 3740 -21.3 -23.4 83 2.1 -21.7 203 10 287.0 287.2 276.6 289.8 0.92 8 622 3867 -21.7 -25.1 74 3.4 -22.3 205 10 288.0 288.2 276.9 290.5 0.80 9 520 5145 -28.5 -32.6 68 4.1 -29.0 225 14 295.0 295.0 279.8 296.5 0.47 10 500 5420 -30.7 -34.9 67 4.2 -31.2 230 15 295.6 295.7 280.0 296.9 0.39 11 400 6970 -40.9 -48.9 42 8.0 -41.3 245 20 301.8 301.9 282.3 302.2 0.11 12 375 7405 -44.1 -51.1 46 7.0 -44.4 245 32 303.2 303.2 282.8 303.6 0.09 13 366 7568 -44.1 -58.1 20 14.0 -44.5 245 36 305.3 305.3 283.6 305.5 0.04 14 346 7943 -45.3 -47.5 78 2.2 -45.4 245 46 308.7 308.7 285.0 309.2 0.15 15 317 8522 -49.5 -55.5 49 6.0 -49.7 245 62 310.6 310.7 285.7 310.9 0.07 16 300 8880 -52.1 -54.4 76 2.3 -52.2 245 72 311.9 311.9 286.1 312.2 0.08 17 296 8967 -52.7 -55.3 73 2.6 -52.7 245 73 312.3 312.3 286.2 312.6 0.07 18 293 9033 -53.1 -55.9 71 2.8 -53.2 245 71 312.6 312.6 286.4 312.9 0.07 19 288 9144 -53.5 -65.5 22 12.0 -53.7 245 68 313.6 313.6 286.6 313.7 0.02 20 273 9486 -55.3 -66.3 24 11.0 -55.5 245 57 315.8 315.8 287.4 315.9 0.02 21 250 10050 -54.1 -76.1 5 22.0 -54.4 245 46 325.6 325.6 290.5 325.7 0.00 22 236 10420 -52.7 -78.7 3 26.0 -53.0 244 41 333.2 333.2 292.6 333.2 0.00 23 200 11490 -51.3 -80.3 2 29.0 -51.7 240 27 351.5 351.5 297.0 351.5 0.00 24 150 13360 -48.9 -79.9 2 31.0 -49.6 230 20 385.8 385.8 303.2 385.8 0.00 25 104 15780 -46.3 -79.3 1 33.0 -47.6 225 14 433.4 433.4 309.2 433.4 0.01 26 100 16040 -47.3 -80.3 1 33.0 -48.5 225 13 436.3 436.3 309.5 436.4 0.01 27 70 18400 -48.9 -80.9 1 32.0 -50.3 210 17 479.8 479.8 313.4 479.8 0.01 28 50 20600 -50.1 -82.1 1 32.0 -51.8 190 9 525.4 525.4 316.6 525.5 0.01 29 33 23324 -48.5 -82.5 1 34.0 -51.2 596.0 596.0 320.5 596.0 0.01 TRP 273 9486 -55.3 -66.3 24 11.0 -55.5 245 57 315.8 315.8 287.4 315.9 0.02 WND 296 8967 -52.7 -55.3 73 2.6 -52.7 245 73 312.3 312.3 286.2 312.6 0.07 Sounding variables and indices 1000-500 mb thick: 5347.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 74.06 % Est. max temperature: -9.79 C = 14.38 F Sfc-Lift cond lev (LCL): 628.59 mb = 3790.98 m = 12437.45 ft T: -21.46 C Conv cond level (CCL): 677.00 mb = 3255.00 m = 10679.00 ft Mean mixing ratio: 0.82 g/kg Conv temperature: -23.89 C = -11.00 F Cap Strength: 5.52 C Lifted Index: 5.81 C Risk: None Lifted Index @300 mb: 15.85 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 47.08 J/kg Max Up Vert Vel: 9.70 m/s Conv Inhibition (B-): 40422.84 J/kg Cap Strength: 5.68 C Lift Cond Lev (LCL): 598.58 mb = 4140.95 m = 13585.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 270 at 21 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 195 8 2.1 7.7 | 112 21 -19.1 7.9 1 500 5420 230 15 11.5 9.6 | 135 14 -9.7 9.8 2 400 6970 245 20 18.1 8.5 | 160 9 -3.1 8.6 3 300 8880 245 72 65.3 30.4 | 235 54 44.1 30.6 4 296 8967 245 73 66.2 30.9 | 235 55 45.0 31.0 5 273 9486 245 57 51.7 24.1 | 232 39 30.5 24.2 6 250 10050 245 46 41.7 19.4 | 226 28 20.5 19.6 7 200 11490 240 27 23.4 13.5 | 189 14 2.2 13.6 8 150 13360 230 20 15.3 12.9 | 156 14 -5.9 13.0 9 100 16040 225 13 9.2 9.2 | 128 15 -12.0 9.3 10 70 18400 210 17 8.5 14.7 | 140 20 -12.7 14.9 11 50 20600 190 9 1.6 8.9 | 115 22 -19.6 9.0 Wind Parameters Mean winds (0-6000m): 240.4 at 28.3 knts Storm direction: 270.4 at 21.2 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 34.6 deg Storm rel helicity (0-3000m) pos: 41.6 neg: 0.0 tot: 41.6 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.76 Bulk Shear: 61.88 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 ------------------------------------------------------------------------------- 500 208 8 114 19| 2.1 0.0 2.1| 9.2 0.0 9.2 18.5 0.85| 2.1 1.8 1000 210 9 116 18| 2.2 0.0 2.2| 17.7 0.0 17.7 17.7 0.81| 2.2 1.8 1500 213 10 119 18| 2.2 0.0 2.2| 25.1 0.0 25.1 16.7 0.76| 2.3 1.7 2000 217 11 122 17| 2.3 0.0 2.3| 31.3 0.0 31.3 15.7 0.72| 2.3 1.7 2500 220 12 125 16| 2.3 0.0 2.3| 36.7 0.0 36.7 14.7 0.71| 2.3 1.7 3000 224 13 127 15| 2.2 0.0 2.2| 41.6 0.0 41.6 13.9 0.71| 2.3 1.6 4000 231 15 134 14| 3.0 0.0 3.0| 66.7 0.0 66.7 16.7 0.77| 3.2 2.4 5000 237 20 159 12| 2.4 2.8 5.2|132.1 0.0 132.1 26.4 0.58| 5.3 3.1 6000 240 28 193 15| 2.0 3.1 5.1|175.0 -21.0 154.0 25.7 0.41| 6.7 2.8 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250423.11.gif