UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 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 1017 22 2.4 -6.6 51 9.0 -0.8 10 9 274.2 274.6 271.5 280.6 2.29 1 1000 158 1.4 -10.6 40 12.0 -2.4 10 11 274.5 274.8 270.7 279.3 1.70 2 937 676 -3.3 -13.3 46 10.0 -6.1 23 18 274.9 275.2 270.6 279.1 1.46 3 925 778 -3.7 -17.7 33 14.0 -7.2 25 19 275.5 275.7 270.2 278.5 1.03 4 909 916 -3.5 -22.5 21 19.0 -7.8 24 19 277.1 277.2 270.7 279.2 0.69 5 886 1117 -5.7 -26.7 17 21.0 -9.8 22 20 276.9 277.0 270.1 278.3 0.49 6 850 1441 -7.3 -25.3 22 18.0 -10.9 20 21 278.5 278.6 271.3 280.2 0.57 7 822 1701 -8.9 -22.9 31 14.0 -11.8 16 22 279.5 279.6 272.1 281.7 0.74 8 714 2785 -12.7 -21.7 47 9.0 -14.7 358 25 286.8 287.0 276.5 289.7 0.94 9 700 2936 -13.5 -22.5 47 9.0 -15.4 355 25 287.5 287.7 276.8 290.3 0.90 10 570 4464 -22.3 -31.3 44 9.0 -23.6 328 27 294.6 294.7 279.6 296.2 0.49 11 506 5325 -28.3 -38.3 38 10.0 -29.3 312 29 297.5 297.6 280.7 298.5 0.28 12 500 5410 -28.7 -38.7 38 10.0 -29.7 310 29 298.0 298.1 280.9 299.0 0.27 13 400 6980 -39.9 -49.9 34 10.0 -40.4 315 35 303.1 303.2 282.8 303.5 0.10 14 300 8880 -54.1 -63.1 32 9.0 -54.2 330 44 309.1 309.1 285.0 309.2 0.03 15 266 9641 -58.9 -67.9 30 9.0 -59.0 335 44 312.9 312.9 286.4 313.0 0.02 16 264 9688 -58.9 -67.9 30 9.0 -59.0 334 44 313.6 313.6 286.6 313.6 0.02 17 250 10030 -58.1 -67.1 31 9.0 -58.2 330 40 319.7 319.7 288.6 319.8 0.02 18 200 11470 -50.9 -62.9 23 12.0 -51.2 285 29 352.2 352.2 297.1 352.3 0.04 19 150 13350 -48.3 -65.3 12 17.0 -49.0 280 25 386.8 386.8 303.3 387.0 0.04 20 100 16000 -52.1 -74.1 5 22.0 -52.8 260 25 427.1 427.1 308.5 427.1 0.02 21 86 16977 -53.9 -76.9 4 23.0 -54.6 256 20 442.3 442.3 310.1 442.3 0.01 22 70 18310 -51.7 -75.7 4 24.0 -52.7 250 13 473.8 473.8 313.0 473.9 0.02 23 55 19872 -51.5 -76.5 3 25.0 -52.8 250 19 508.1 508.1 315.5 508.2 0.02 24 50 20490 -51.7 -76.7 3 25.0 -53.1 250 21 521.6 521.6 316.4 521.8 0.02 25 36 22611 -53.5 -77.5 4 24.0 -55.1 189 13 568.4 568.4 319.1 568.6 0.03 26 30 23790 -51.1 -76.1 4 25.0 -53.4 155 9 605.3 605.3 320.9 605.6 0.04 27 21 26112 -50.7 -75.7 4 25.0 -53.8 159 7 671.5 671.6 323.5 672.1 0.06 28 20 26430 -50.3 -75.3 4 25.0 -53.6 160 7 682.2 682.2 323.9 682.8 0.07 29 10 30977 -48.1 -74.1 3 26.0 -54.2 840.0 840.1 328.2 841.7 0.17 TRP 266 9641 -58.9 -67.9 30 9.0 -59.0 335 44 312.9 312.9 286.4 313.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5252.00 m Freezing level: 981.23 mb = 312.39 m = 1024.87 ft Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 39.15 % Est. max temperature: 5.91 C = 42.64 F Sfc-Lift cond lev (LCL): 884.00 mb = 1134.81 m = 3723.07 ft T: -5.79 C 700-500 lapse rate: 6.14 C/km ThetaE index: 2.07 C Layer 1000.0- 909.0 mb Conv cond level (CCL): 643.12 mb = 3566.32 m = 11700.38 ft Mean mixing ratio: 1.55 g/kg Conv temperature: 18.72 C = 65.70 F Cap Strength: 15.45 C Lifted Index: 15.81 C Risk: None Lifted Index @300 mb: 21.17 C Lifted Index @700 mb: 9.74 C Showalter Index: 15.05 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 3.40 C K Index: -12.90 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 3.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.13 J/kg Max Up Vert Vel: 2.87 m/s Conv Inhibition (B-): 78262.41 J/kg Cap Strength: 15.83 C Lift Cond Lev (LCL): 810.23 mb = 1812.28 m = 5945.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 15 at 18 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 1017 22 10 9 -1.6 -8.9 | 199 9 3.0 8.6 1 1000 158 10 11 -1.9 -10.8 | 202 7 2.7 6.6 2 925 778 25 19 -8.0 -17.2 | 94 3 -3.5 0.2 3 850 1441 20 21 -7.2 -19.7 | 49 3 -2.6 -2.3 4 700 2936 355 25 2.2 -24.9 | 318 10 6.8 -7.5 5 500 5410 310 29 22.2 -18.6 | 273 27 26.8 -1.2 6 400 6980 315 35 24.7 -24.7 | 284 30 29.3 -7.3 7 300 8880 330 44 22.0 -38.1 | 308 34 26.6 -20.7 8 266 9641 335 44 18.6 -39.9 | 314 32 23.2 -22.4 9 250 10030 330 40 20.0 -34.6 | 305 30 24.6 -17.2 10 200 11470 285 29 28.0 -7.5 | 253 34 32.6 9.9 11 150 13350 280 25 24.6 -4.3 | 246 32 29.2 13.1 12 100 16000 260 25 24.6 4.3 | 233 36 29.2 21.8 13 70 18310 250 13 12.2 4.4 | 217 28 16.8 21.9 14 50 20490 250 21 19.7 7.2 | 225 35 24.3 24.6 15 30 23790 155 9 -3.8 8.2 | 182 26 0.8 25.6 16 20 26430 160 7 -2.4 6.6 | 185 24 2.2 24.0 Wind Parameters Mean winds (0-6000m): 344.7 at 24.1 knts Storm direction: 14.7 at 18.0 knts Shear (0-3000m) pos: 1.9 neg: 2.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 116.0 deg Storm rel helicity (0-3000m) pos: 0.6 neg: -19.7 tot: -19.1 m^2/s^2 ave: -6.4 10^-3 m/s^2 rel: -0.65 Storm rel vorticity (0-3000m) horiz: 4.3 stream: -2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 28.01 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 14 12 196 6| 7.1 0.0 7.1| 0.6 -2.2 -1.6 -3.3 -0.26| 7.3 -1.9 1000 20 15 167 3| 5.7 0.0 5.7| 0.6 -5.2 -4.7 -4.7 -0.52| 6.1 -3.2 1500 21 17 135 2| 3.8 0.8 4.6| 0.6 -7.2 -6.6 -4.4 -0.60| 4.8 -2.9 2000 19 18 96 1| 2.9 1.4 4.3| 0.6 -10.4 -9.9 -4.9 -0.66| 4.5 -3.0 2500 15 19 27 1| 2.3 1.9 4.2| 0.6 -14.3 -13.8 -5.5 -0.66| 4.4 -2.9 3000 12 20 348 2| 1.9 2.2 4.1| 0.6 -19.7 -19.1 -6.4 -0.65| 4.3 -2.8 4000 4 22 322 5| 1.4 2.6 4.0| 0.6 -38.6 -38.0 -9.5 -0.64| 4.3 -2.8 5000 354 23 307 9| 1.1 2.8 3.9| 0.6 -69.2 -68.6 -13.7 -0.64| 4.4 -2.8 6000 345 24 298 12| 1.1 2.6 3.7| 16.3 -85.0 -68.7 -11.4 -0.56| 4.2 -2.3 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250429.00.gif