UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042011.upa.cvt Date: 1100Z 20 APR 25 Searching for 04417... Searching the city database file for: 04417 ... Date:1100Z 20 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 59 1 925 717 2 850 1411 3 700 2926 SFC 674 3255 -28.3 -31.0 78 2.7 -28.6 225 14 274.1 274.2 268.2 275.4 0.43 5 673 3265 -28.5 -30.8 81 2.3 -28.7 225 14 274.0 274.1 268.2 275.3 0.44 6 668 3318 -22.7 -24.0 89 1.3 -22.9 226 14 281.1 281.2 273.2 283.6 0.82 7 634 3692 -22.7 -24.0 89 1.3 -22.9 232 14 285.3 285.5 275.6 288.0 0.87 8 563 4534 -27.9 -28.9 91 1.0 -28.0 246 15 289.0 289.2 277.2 291.0 0.62 9 523 5048 -31.3 -32.7 87 1.4 -31.4 255 16 291.1 291.2 278.0 292.6 0.47 10 508 5250 -31.5 -32.9 87 1.4 -31.7 258 16 293.3 293.4 279.0 294.8 0.47 11 500 5360 -32.3 -34.3 82 2.0 -32.5 260 16 293.7 293.7 279.1 295.0 0.42 12 483 5603 -33.7 -39.7 55 6.0 -34.2 266 16 294.9 294.9 279.4 295.7 0.25 13 418 6601 -41.1 -49.1 42 8.0 -41.5 292 17 297.8 297.8 280.6 298.2 0.10 14 400 6900 -41.9 -53.9 26 12.0 -42.3 300 17 300.5 300.5 281.7 300.8 0.06 15 392 7037 -41.9 -56.9 18 15.0 -42.4 298 17 302.3 302.3 282.4 302.4 0.04 16 352 7758 -46.5 -63.5 13 17.0 -46.9 287 16 305.5 305.5 283.7 305.6 0.02 17 314 8512 -48.7 -69.7 7 21.0 -49.0 275 15 312.6 312.6 286.2 312.6 0.01 18 300 8810 -50.7 -69.7 9 19.0 -51.0 270 15 313.9 313.9 286.7 313.9 0.01 19 280 9256 -53.1 -71.1 9 18.0 -53.3 270 17 316.7 316.7 287.6 316.7 0.01 20 250 9990 -50.7 -77.7 3 27.0 -51.1 265 12 330.7 330.7 291.9 330.7 0.00 21 200 11460 -47.9 -79.9 1 32.0 -48.5 245 13 356.9 356.9 298.1 356.9 0.00 22 150 13370 -45.9 -80.9 1 35.0 -46.9 245 17 391.0 391.0 303.9 391.0 0.00 23 141 13782 -44.5 -80.5 1 36.0 -45.7 250 16 400.4 400.4 305.3 400.4 0.00 24 116 15074 -48.5 -82.5 1 34.0 -49.4 267 14 416.0 416.0 307.2 416.0 0.00 25 100 16050 -47.5 -82.5 1 35.0 -48.7 280 13 435.9 435.9 309.4 436.0 0.00 26 74 18027 -51.1 -84.1 1 33.0 -52.2 288 9 467.6 467.6 312.4 467.6 0.00 27 70 18390 -49.3 -83.3 1 34.0 -50.7 290 8 478.9 478.9 313.4 478.9 0.01 28 60 19406 -47.1 -82.1 1 35.0 -49.0 329 6 505.4 505.4 315.4 505.5 0.01 29 50 20610 -48.5 -82.5 1 34.0 -50.5 15 3 529.2 529.2 316.9 529.2 0.01 30 40 22075 -49.5 -83.5 1 34.0 -51.7 561.5 561.5 318.7 561.6 0.01 TRP 280 9256 -53.1 -71.1 9 18.0 -53.3 270 17 316.7 316.7 287.6 316.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5301.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Sfc-500 mean rel hum: 88.99 % Est. max temperature: -13.15 C = 8.33 F Sfc-Lift cond lev (LCL): 644.02 mb = 3579.48 m = 11743.54 ft T: -22.70 C Conv cond level (CCL): 674.00 mb = 3255.00 m = 10679.00 ft Mean mixing ratio: 0.78 g/kg Conv temperature: -24.49 C = -12.09 F Cap Strength: 5.57 C Lifted Index: 5.80 C Risk: None Lifted Index @300 mb: 18.71 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.39 J/kg Max Up Vert Vel: 9.32 m/s Conv Inhibition (B-): 40698.36 J/kg Cap Strength: 5.78 C Lift Cond Lev (LCL): 610.15 mb = 3963.48 m = 13003.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 12 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 ---------------------------------------------------------- 0 674 3255 225 14 9.9 9.9 | 179 16 -0.4 15.8 1 500 5360 260 16 15.8 2.8 | 212 10 5.5 8.7 2 400 6900 300 17 14.7 -8.5 | 300 5 4.5 -2.6 3 300 8810 270 15 15.0 -0.0 | 219 8 4.7 5.9 4 280 9256 270 17 17.0 -0.0 | 229 9 6.7 5.9 5 250 9990 265 12 12.0 1.0 | 194 7 1.7 6.9 6 200 11460 245 13 11.8 5.5 | 188 11 1.5 11.4 7 150 13370 245 17 15.4 7.2 | 201 14 5.1 13.1 8 100 16050 280 13 12.8 -2.3 | 215 4 2.5 3.6 9 70 18390 290 8 7.5 -2.7 | 139 4 -2.8 3.2 10 50 20610 15 3 -0.8 -2.9 | 105 11 -11.0 3.0 Wind Parameters Mean winds (0-6000m): 269.9 at 15.8 knts Storm direction: 299.9 at 11.8 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 71.7 deg Storm rel helicity (0-3000m) pos: 37.4 neg: 0.0 tot: 37.4 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.82 Bulk Shear: 15.36 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 ------------------------------------------------------------------------------- 500 228 14 181 15| 2.2 0.0 2.2| 7.0 0.0 7.0 14.1 0.83| 2.2 1.8 1000 233 14 185 15| 2.2 0.0 2.2| 13.6 0.0 13.6 13.6 0.82| 2.2 1.8 1500 238 15 189 14| 2.2 0.0 2.2| 19.6 0.0 19.6 13.1 0.81| 2.3 1.8 2000 243 15 193 13| 2.2 0.0 2.2| 25.1 0.0 25.1 12.6 0.81| 2.3 1.8 2500 247 15 198 12| 2.4 0.0 2.4| 31.6 0.0 31.6 12.6 0.79| 2.5 2.0 3000 252 15 203 11| 2.6 0.0 2.6| 37.4 0.0 37.4 12.5 0.80| 2.7 2.2 4000 264 16 215 9| 2.3 0.1 2.4| 43.9 -1.9 42.0 10.5 0.72| 2.8 2.0 5000 269 16 222 8| 1.9 0.5 2.4| 43.9 -8.0 35.9 7.2 0.43| 2.7 1.2 6000 270 16 223 8| 1.6 0.7 2.2| 46.7 -11.3 35.3 5.9 0.36| 2.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//04417/skewt/04417.skewt.20250420.11.gif