UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 21 APR 25 Station: X2477 WMO ident: 32477 Latitude: 54.30 Longitude: 155.93 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1011 21 1.8 -8.2 47 10.0 -1.6 360 9 274.1 274.4 271.0 279.8 2.03 1 1000 109 0.6 -11.4 40 12.0 -3.1 5 13 273.8 274.0 270.1 278.2 1.60 2 925 727 -5.5 -14.5 49 9.0 -7.9 20 27 273.7 273.9 269.6 277.5 1.34 3 850 1388 -7.3 -16.3 49 9.0 -9.6 30 21 278.5 278.7 272.4 282.2 1.26 4 828 1592 -7.5 -18.5 41 11.0 -10.2 29 20 280.4 280.6 273.2 283.6 1.07 5 742 2438 -11.3 -19.3 52 8.0 -13.2 23 18 285.2 285.4 275.9 288.5 1.12 6 700 2882 -14.7 -22.7 51 8.0 -16.3 20 17 286.2 286.4 276.1 288.9 0.88 7 609 3921 -20.5 -35.5 25 15.0 -22.4 34 15 291.2 291.2 277.7 292.2 0.30 8 584 4229 -23.5 -39.5 22 16.0 -25.2 39 15 291.2 291.2 277.6 291.9 0.21 9 500 5340 -32.9 -46.9 23 14.0 -33.7 55 13 292.9 292.9 278.3 293.3 0.11 10 478 5655 -35.9 -48.9 25 13.0 -36.5 46 10 293.0 293.0 278.3 293.3 0.09 11 428 6413 -42.7 -54.7 26 12.0 -43.1 23 4 293.8 293.8 278.6 293.9 0.05 12 421 6524 -42.9 -53.9 29 11.0 -43.3 20 3 294.9 294.9 279.1 295.1 0.06 13 400 6870 -42.9 -54.9 26 12.0 -43.3 320 3 299.2 299.2 281.1 299.4 0.06 14 300 8810 -42.5 -62.5 9 20.0 -43.2 285 19 325.5 325.5 290.5 325.6 0.03 15 250 10040 -43.1 -68.1 5 25.0 -43.9 290 19 342.0 342.0 294.8 342.1 0.02 16 200 11530 -44.9 -70.9 4 26.0 -45.7 280 21 361.7 361.7 299.0 361.7 0.01 17 150 13440 -47.9 -73.9 3 26.0 -48.7 265 17 387.5 387.5 303.4 387.6 0.01 18 100 16090 -51.5 -75.5 4 24.0 -52.2 285 11 428.2 428.2 308.6 428.3 0.01 19 74 18034 -54.9 -78.9 4 24.0 -55.6 247 9 459.6 459.6 311.7 459.6 0.01 20 70 18390 -54.3 -78.3 4 24.0 -55.1 240 9 468.2 468.2 312.5 468.3 0.01 21 54 20048 -56.1 -80.1 3 24.0 -56.9 213 6 500.1 500.1 314.9 500.2 0.01 22 50 20540 -54.1 -78.1 4 24.0 -55.2 205 5 516.0 516.0 316.1 516.1 0.02 23 31 23600 -53.3 -77.3 4 24.0 -55.1 308 3 593.7 593.8 320.3 594.0 0.03 24 30 23810 -54.5 -78.5 4 24.0 -56.1 315 3 596.1 596.1 320.5 596.3 0.03 25 25 24974 -56.5 -79.5 4 23.0 -58.0 29 7 622.2 622.2 321.6 622.4 0.03 26 20 26410 -50.7 -74.7 4 24.0 -53.9 120 11 681.0 681.0 323.8 681.6 0.08 27 13 29217 -50.7 -74.7 4 24.0 -54.9 770.3 770.3 326.5 771.4 0.12 TRP 421 6524 -42.9 -53.9 29 11.0 -43.3 20 3 294.9 294.9 279.1 295.1 0.06 WND Sounding variables and indices 1000-500 mb thick: 5231.00 m Freezing level: 992.62 mb = 169.79 m = 557.04 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 38.38 % Est. max temperature: 5.48 C = 41.87 F Sfc-Lift cond lev (LCL): 864.91 mb = 1252.08 m = 4107.81 ft T: -6.93 C 700-500 lapse rate: 7.40 C/km ThetaE index: 2.27 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 655.57 mb = 3371.40 m = 11060.88 ft Mean mixing ratio: 1.49 g/kg Conv temperature: 16.30 C = 61.34 F Cap Strength: 12.47 C Lifted Index: 12.61 C Risk: None Lifted Index @300 mb: 33.65 C Lifted Index @700 mb: 9.48 C Showalter Index: 9.33 C Risk: None Total Totals Index: 42.20 C Risk: None Vertical Totals Index: 25.60 C Cross Totals Index: 16.60 C K Index: 1.30 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.76 J/kg Max Up Vert Vel: 1.87 m/s Conv Inhibition (B-): 67344.88 J/kg Cap Strength: 12.58 C Lift Cond Lev (LCL): 816.09 mb = 1703.71 m = 5589.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 59 at 13 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 1011 21 360 9 -0.0 -9.0 | 283 11 10.8 -2.5 1 1000 109 5 13 -1.1 -13.0 | 304 12 9.7 -6.5 2 925 727 20 27 -9.2 -25.4 | 355 19 1.6 -18.9 3 850 1388 30 21 -10.5 -18.2 | 359 12 0.3 -11.7 4 700 2882 20 17 -5.8 -16.0 | 332 11 5.0 -9.5 5 500 5340 55 13 -10.6 -7.5 | 352 1 0.1 -1.0 6 421 6524 20 3 -1.0 -2.8 | 249 10 9.8 3.7 7 400 6870 320 3 1.9 -2.3 | 252 13 12.7 4.2 8 300 8810 285 19 18.4 -4.9 | 267 29 29.1 1.6 9 250 10040 290 19 17.9 -6.5 | 270 29 28.6 -0.0 10 200 11530 280 21 20.7 -3.6 | 265 32 31.5 2.8 11 150 13440 265 17 16.9 1.5 | 254 29 27.7 8.0 12 100 16090 285 11 10.6 -2.8 | 260 22 21.4 3.6 13 70 18390 240 9 7.8 4.5 | 239 22 18.6 11.0 14 50 20540 205 5 2.1 4.5 | 230 17 12.9 11.0 15 30 23810 315 3 2.1 -2.1 | 251 14 12.9 4.4 16 20 26410 120 11 -9.5 5.5 | 186 12 1.3 12.0 Wind Parameters Mean winds (0-6000m): 29.0 at 16.8 knts Storm direction: 59.0 at 12.6 knts Shear (0-3000m) pos: 2.3 neg: 0.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 50.4 deg Storm rel helicity (0-3000m) pos: 66.7 neg: -14.8 tot: 51.9 m^2/s^2 ave: 17.3 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.45 Bulk Shear: 3.87 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 10 16 321 13| 14.2 0.0 14.2| 43.4 0.0 43.4 86.7 0.92| 14.4 13.3 1000 17 21 341 14| 8.5 0.0 8.5| 65.2 0.0 65.2 65.2 0.80| 11.4 9.1 1500 21 21 346 14| 4.6 0.0 4.6| 66.3 -1.4 64.9 43.3 0.66| 9.1 6.0 2000 22 21 348 13| 3.5 0.5 3.9| 66.3 -6.6 59.7 29.8 0.56| 7.3 4.1 2500 23 21 347 13| 2.8 0.7 3.5| 66.3 -11.6 54.7 21.9 0.47| 6.2 2.9 3000 23 20 345 12| 2.3 0.8 3.1| 66.7 -14.8 51.9 17.3 0.41| 5.5 2.2 4000 24 19 344 11| 1.8 0.6 2.4| 69.4 -14.8 54.6 13.6 0.40| 4.6 1.8 5000 27 18 344 10| 1.5 0.5 1.9| 70.1 -14.8 55.3 11.1 0.37| 4.1 1.5 6000 29 17 342 9| 1.2 1.0 2.2| 70.1 -17.8 52.3 8.7 0.24| 4.1 1.0 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250421.00.gif