UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 18 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 ------------------------------------------------------------------------------- 0 1000 -7 180 3 SFC 996 26 4.0 0.3 77 3.7 2.4 180 3 277.5 278.1 275.7 288.2 3.92 2 925 626 3.8 -2.2 65 6.0 1.3 230 3 283.2 283.8 278.2 293.1 3.51 3 850 1310 1.2 -4.8 64 6.0 -1.2 5 11 287.4 288.0 279.8 296.5 3.14 4 767 2131 -2.5 -8.5 63 6.0 -4.7 18 14 292.0 292.4 281.3 299.8 2.62 5 710 2739 -7.7 -12.3 70 4.6 -9.2 28 17 292.8 293.1 280.9 299.1 2.09 6 700 2849 -7.5 -11.6 72 4.1 -8.9 30 17 294.2 294.6 281.7 301.0 2.25 7 617 3828 -7.9 -30.9 14 23.0 -12.8 24 22 304.5 304.6 283.8 306.1 0.47 8 519 5143 -18.3 -35.3 21 17.0 -21.0 17 28 307.4 307.5 284.8 308.7 0.36 9 500 5420 -20.9 -35.9 25 15.0 -23.1 15 29 307.6 307.6 284.9 308.8 0.36 10 400 7030 -33.7 -45.7 29 12.0 -34.6 20 21 311.2 311.2 285.9 311.8 0.16 11 300 8980 -49.9 -57.9 38 8.0 -50.1 5 21 315.0 315.0 287.2 315.2 0.05 12 263 9828 -56.5 -64.5 36 8.0 -56.6 5 19 317.4 317.4 287.9 317.5 0.02 13 256 9999 -56.5 -64.5 36 8.0 -56.6 8 18 319.9 319.9 288.8 320.0 0.03 14 250 10150 -56.1 -64.1 36 8.0 -56.2 10 17 322.7 322.7 289.6 322.8 0.03 15 200 11560 -55.3 -64.3 32 9.0 -55.5 360 11 345.2 345.2 295.6 345.3 0.03 16 150 13430 -50.9 -66.9 13 16.0 -51.4 335 7 382.4 382.4 302.6 382.5 0.03 17 100 16050 -54.5 -76.5 5 22.0 -55.1 270 15 422.4 422.4 308.0 422.5 0.01 18 70 18330 -53.9 -77.9 4 24.0 -54.7 290 11 469.1 469.1 312.5 469.1 0.01 19 50 20480 -55.7 -79.7 3 24.0 -56.6 300 5 512.2 512.2 315.8 512.3 0.01 20 41 21745 -54.7 -78.7 4 24.0 -55.9 308 5 544.6 544.6 317.8 544.8 0.02 21 31 23522 -57.3 -80.3 4 23.0 -58.5 319 5 582.9 582.9 319.8 583.1 0.02 22 30 23730 -55.7 -79.7 3 24.0 -57.1 320 5 592.8 592.8 320.3 593.0 0.02 23 27 24402 -54.1 -78.1 4 24.0 -55.9 328 5 615.4 615.4 321.3 615.7 0.03 24 20 26320 -54.7 -78.7 4 24.0 -56.9 350 5 668.7 668.8 323.4 669.1 0.04 25 18 26994 -55.1 -79.1 4 24.0 -57.4 687.9 688.0 324.0 688.3 0.04 26 11 30179 -49.5 -74.5 4 25.0 -54.7 812.3 812.4 327.5 813.8 0.14 TRP 263 9828 -56.5 -64.5 36 8.0 -56.6 5 19 317.4 317.4 287.9 317.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5427.00 m Freezing level: 823.08 mb = 1576.39 m = 5171.82 ft Wetbulb zero: 886.90 mb = 966.27 m = 3170.13 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 47.44 % Est. max temperature: 14.13 C = 57.44 F Sfc-Lift cond lev (LCL): 940.64 mb = 489.84 m = 1607.07 ft T: 3.85 C 700-500 lapse rate: 5.21 C/km ThetaE index: 0.70 C Layer 710.0- 700.0 mb Conv cond level (CCL): 742.29 mb = 2388.89 m = 7837.46 ft Mean mixing ratio: 3.63 g/kg Conv temperature: 18.84 C = 65.91 F Cap Strength: 14.38 C Lifted Index: 14.12 C Risk: None Lifted Index @300 mb: 16.64 C Lifted Index @700 mb: 7.07 C Showalter Index: 10.55 C Risk: None Total Totals Index: 38.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 16.10 C K Index: 13.20 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.72 J/kg Max Up Vert Vel: 6.89 m/s Conv Inhibition (B-): 69306.19 J/kg Cap Strength: 14.37 C Lift Cond Lev (LCL): 871.47 mb = 1108.26 m = 3635.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 49 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 ---------------------------------------------------------- 0 996 26 180 3 0.0 3.0 | 220 15 9.9 11.6 1 925 626 230 3 2.3 1.9 | 229 16 12.2 10.6 2 850 1310 5 11 -1.0 -11.0 | 285 9 8.9 -2.3 3 700 2849 30 17 -8.5 -14.7 | 347 6 1.4 -6.1 4 500 5420 15 29 -7.5 -28.0 | 353 20 2.4 -19.4 5 400 7030 20 21 -7.2 -19.7 | 346 11 2.7 -11.1 6 300 8980 5 21 -1.8 -20.9 | 327 15 8.0 -12.3 7 263 9828 5 19 -1.7 -18.9 | 321 13 8.2 -10.3 8 250 10150 10 17 -3.0 -16.7 | 320 11 6.9 -8.1 9 200 11560 360 11 -0.0 -11.0 | 283 10 9.9 -2.4 10 150 13430 335 7 3.0 -6.3 | 260 13 12.8 2.3 11 100 16050 270 15 15.0 -0.0 | 251 26 24.9 8.6 12 70 18330 290 11 10.3 -3.8 | 256 21 20.2 4.9 13 50 20480 300 5 4.3 -2.5 | 247 15 14.2 6.1 14 30 23730 320 5 3.2 -3.8 | 250 14 13.1 4.8 15 20 26320 350 5 0.9 -4.9 | 251 11 10.7 3.7 Wind Parameters Mean winds (0-6000m): 18.8 at 17.5 knts Storm direction: 48.8 at 13.1 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 129.7 deg Storm rel helicity (0-3000m) pos: 85.4 neg: 0.0 tot: 85.4 m^2/s^2 ave: 28.5 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.43 Bulk Shear: 55.54 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 ------------------------------------------------------------------------------- 500 200 3 224 16| 2.2 0.0 2.2| 8.3 0.0 8.3 16.5 0.91| 2.2 2.0 1000 249 4 233 17| 5.1 0.0 5.1| 46.8 0.0 46.8 46.8 0.93| 5.8 5.4 1500 347 6 256 12| 5.1 0.0 5.1| 71.6 0.0 71.6 47.7 0.81| 7.6 6.2 2000 3 8 264 9| 4.3 0.0 4.3| 76.7 0.0 76.7 38.3 0.82| 6.4 5.2 2500 11 9 272 8| 3.8 0.0 3.8| 81.6 0.0 81.6 32.6 0.83| 5.7 4.7 3000 18 10 281 7| 3.5 0.0 3.5| 85.4 0.0 85.4 28.5 0.83| 5.2 4.3 4000 21 13 302 6| 2.6 0.7 3.3| 87.2 0.0 87.2 21.8 0.73| 4.6 3.4 5000 20 15 321 7| 2.1 1.1 3.2| 87.3 -1.3 86.0 17.2 0.63| 4.2 2.7 6000 19 17 332 9| 1.6 1.0 2.6| 87.3 -4.6 82.6 13.8 0.54| 3.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250418.00.gif