UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 29 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 1020 23 -0.3 -4.5 73 4.2 -1.8 10 3 271.3 271.8 270.3 278.6 2.68 1 1002 166 1.8 -4.2 64 6.0 -0.4 23 16 274.8 275.3 272.6 282.5 2.79 2 1000 182 1.8 -4.2 64 6.0 -0.4 25 17 275.0 275.4 272.7 282.7 2.80 3 934 729 -1.1 -11.1 47 10.0 -4.3 25 8 277.4 277.7 272.5 282.4 1.75 4 925 806 -1.7 -11.7 46 10.0 -4.8 25 7 277.6 277.9 272.5 282.4 1.68 5 916 884 -2.1 -12.1 46 10.0 -5.1 28 8 277.9 278.2 272.7 282.7 1.65 6 850 1478 -3.7 -12.7 50 9.0 -6.4 50 13 282.3 282.6 275.2 287.2 1.69 7 845 1525 -3.7 -12.7 50 9.0 -6.5 48 13 282.7 283.0 275.5 287.7 1.70 8 700 2984 -13.5 -21.5 51 8.0 -15.3 340 11 287.5 287.7 276.9 290.5 0.98 9 667 3349 -16.1 -24.1 50 8.0 -17.7 334 14 288.6 288.8 277.2 291.1 0.82 10 631 3766 -16.9 -23.9 55 7.0 -18.3 328 17 292.3 292.5 279.1 295.1 0.88 11 585 4331 -19.1 -27.1 49 8.0 -20.5 319 21 296.2 296.3 280.7 298.4 0.71 12 500 5480 -27.1 -40.1 28 13.0 -28.4 300 29 300.0 300.0 281.7 300.8 0.23 13 482 5743 -28.9 -42.9 25 14.0 -30.1 299 31 300.9 301.0 282.0 301.6 0.18 14 468 5953 -30.7 -45.7 22 15.0 -31.8 299 33 301.3 301.3 282.1 301.7 0.14 15 436 6453 -34.1 -47.1 26 13.0 -35.0 297 38 303.1 303.1 282.8 303.6 0.13 16 410 6880 -37.5 -48.5 31 11.0 -38.1 296 42 304.1 304.1 283.2 304.5 0.11 17 400 7050 -38.7 -48.7 34 10.0 -39.2 295 44 304.7 304.7 283.4 305.1 0.11 18 300 8960 -53.7 -63.7 28 10.0 -53.9 280 52 309.7 309.7 285.2 309.7 0.02 19 271 9610 -57.2 -67.2 27 10.0 -57.3 275 60 313.7 313.7 286.6 313.8 0.02 20 264 9776 -58.1 -68.1 27 10.0 -58.2 275 57 314.7 314.7 287.0 314.8 0.02 21 260 9872 -58.5 -68.5 27 10.0 -58.6 275 56 315.5 315.5 287.3 315.6 0.01 22 250 10120 -57.1 -67.1 27 10.0 -57.2 275 54 321.2 321.2 289.1 321.2 0.02 23 200 11550 -51.3 -62.3 26 11.0 -51.6 280 48 351.5 351.5 297.0 351.7 0.04 24 150 13420 -51.7 -65.7 17 14.0 -52.1 260 36 381.0 381.0 302.4 381.2 0.04 25 100 16040 -53.7 -70.7 11 17.0 -54.2 265 25 424.0 424.0 308.2 424.1 0.03 26 96 16304 -50.9 -68.9 10 18.0 -51.7 261 24 434.4 434.4 309.3 434.6 0.04 27 87 16940 -53.3 -71.3 9 18.0 -54.0 251 23 442.0 442.0 310.1 442.2 0.03 28 76 17816 -49.9 -68.9 9 19.0 -51.0 238 20 466.5 466.5 312.4 466.8 0.05 29 70 18350 -52.7 -71.7 8 19.0 -53.6 230 19 471.6 471.7 312.8 471.8 0.03 30 68 18537 -53.7 -72.7 8 19.0 -54.5 233 18 473.4 473.4 313.0 473.6 0.03 31 50 20520 -53.1 -74.1 6 21.0 -54.3 260 13 518.3 518.4 316.2 518.6 0.03 32 48 20783 -53.3 -74.3 6 21.0 -54.5 267 12 524.0 524.0 316.6 524.2 0.03 33 36 22648 -50.7 -72.7 6 22.0 -52.7 315 8 575.6 575.6 319.5 576.0 0.06 34 31 23625 -49.5 -72.5 5 23.0 -52.0 340 6 604.0 604.0 320.8 604.5 0.07 35 30 23840 -50.3 -73.3 5 23.0 -52.7 345 5 607.5 607.5 321.0 608.0 0.06 36 24 25297 -51.5 -74.5 5 23.0 -54.1 65 7 644.1 644.1 322.4 644.6 0.07 37 21 26164 -52.9 -75.9 5 23.0 -55.4 113 9 664.9 664.9 323.3 665.4 0.06 38 20 26480 -52.1 -76.1 4 24.0 -54.9 130 9 676.7 676.7 323.7 677.2 0.06 39 16 27942 -46.7 -71.7 4 25.0 -51.7 738.9 739.0 325.7 740.3 0.15 40 11 30432 -45.9 -71.9 4 26.0 -52.5 825.4 825.5 327.9 827.6 0.21 TRP 260 9872 -58.5 -68.5 27 10.0 -58.6 275 56 315.5 315.5 287.3 315.6 0.01 WND 271 9610 -57.2 -67.2 27 10.0 -57.3 275 60 313.7 313.7 286.6 313.8 0.02 Sounding variables and indices 1000-500 mb thick: 5298.00 m Freezing level: Surface below freezing Freezing level: 1017.43 mb = 43.53 m = 142.80 ft Freezing level: 959.03 mb = 521.48 m = 1710.86 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 48.70 % Est. max temperature: 9.36 C = 48.85 F Sfc-Lift cond lev (LCL): 955.16 mb = 549.51 m = 1802.84 ft T: -0.15 C 700-500 lapse rate: 5.45 C/km ThetaE index: 0.28 C Layer 934.0- 916.0 mb Conv cond level (CCL): 737.52 mb = 2579.18 m = 8461.79 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 14.72 C = 58.49 F Cap Strength: 13.17 C Lifted Index: 15.13 C Risk: None Lifted Index @300 mb: 19.46 C Lifted Index @700 mb: 7.57 C Showalter Index: 11.26 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 23.40 C Cross Totals Index: 14.40 C K Index: 2.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 2.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.75 J/kg Max Up Vert Vel: 5.43 m/s Conv Inhibition (B-): 73512.44 J/kg Cap Strength: 15.07 C Lift Cond Lev (LCL): 861.76 mb = 1368.81 m = 4490.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 359 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 1020 23 10 3 -0.5 -3.0 | 176 10 -0.7 9.8 1 1000 182 25 17 -7.2 -15.4 | 70 8 -7.4 -2.7 2 925 806 25 7 -3.0 -6.3 | 154 7 -3.1 6.4 3 850 1478 50 13 -10.0 -8.4 | 113 11 -10.1 4.4 4 700 2984 340 11 3.8 -10.3 | 236 4 3.6 2.4 5 500 5480 300 29 25.1 -14.5 | 274 25 24.9 -1.8 6 400 7050 295 44 39.9 -18.6 | 278 40 39.7 -5.9 7 300 8960 280 52 51.2 -9.0 | 266 51 51.0 3.7 8 271 9610 275 60 59.8 -5.2 | 263 60 59.6 7.5 9 260 9872 275 56 55.8 -4.9 | 262 56 55.6 7.8 10 250 10120 275 54 53.8 -4.7 | 262 54 53.6 8.0 11 200 11550 280 48 47.3 -8.3 | 265 47 47.1 4.4 12 150 13420 260 36 35.5 6.3 | 242 40 35.3 19.0 13 100 16040 265 25 24.9 2.2 | 239 29 24.7 14.9 14 70 18350 230 19 14.6 12.2 | 210 29 14.4 24.9 15 50 20520 260 13 12.8 2.3 | 220 20 12.6 15.0 16 30 23840 345 5 1.3 -4.8 | 188 8 1.1 7.9 17 20 26480 130 9 -6.9 5.8 | 159 20 -7.1 18.5 Wind Parameters Mean winds (0-6000m): 329.2 at 17.0 knts Storm direction: 359.2 at 12.7 knts Shear (0-3000m) pos: 1.8 neg: 2.4 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -29.5 tot: -13.8 m^2/s^2 ave: -4.6 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 7.8 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.54 Bulk Shear: 27.08 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 24 13 100 6| 8.9 0.0 8.9| 7.0 -15.6 -8.5 -17.1 -0.39| 19.9 -7.8 1000 25 11 121 6| 3.2 0.0 3.2| 13.4 -19.4 -6.0 -6.0 -0.22| 13.3 -2.9 1500 32 11 120 7| 3.7 0.0 3.7| 13.4 -27.4 -14.0 -9.4 -0.29| 10.6 -3.1 2000 33 11 117 7| 2.8 1.3 4.1| 13.4 -29.5 -16.1 -8.1 -0.28| 9.2 -2.6 2500 30 11 115 6| 2.2 2.0 4.2| 14.3 -29.5 -15.2 -6.1 -0.20| 8.4 -1.7 3000 25 11 115 5| 1.8 2.4 4.2| 15.7 -29.5 -13.8 -4.6 -0.13| 7.8 -1.0 4000 8 12 107 2| 1.4 2.8 4.2| 22.6 -29.5 -7.0 -1.7 -0.03| 6.9 -0.2 5000 347 14 292 3| 1.1 3.2 4.3| 22.9 -34.7 -11.8 -2.4 -0.04| 6.5 -0.3 6000 329 17 282 9| 0.9 3.5 4.4| 30.9 -43.6 -12.7 -2.1 -0.04| 6.3 -0.2 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250429.12.gif