UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for X2618... Searching the city database file for: X2618 ... Date:1200Z 17 APR 25 Station: X2618 WMO ident: 32618 Latitude: 55.20 Longitude: 165.98 ------------------------------------------------------------------------------- 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 -10 65 11 SFC 997 14 4.2 1.9 85 2.3 3.2 65 11 277.6 278.3 276.5 289.6 4.40 2 925 621 1.2 -1.0 85 2.2 0.3 135 27 280.5 281.2 277.3 291.2 3.84 3 884 985 -0.9 -2.5 89 1.6 -1.6 138 27 282.0 282.6 277.7 292.1 3.59 4 850 1298 -1.5 -3.1 89 1.6 -2.1 140 27 284.6 285.2 279.0 294.7 3.58 5 717 2646 -5.3 -6.9 88 1.6 -5.9 131 13 294.6 295.2 283.0 304.1 3.18 6 700 2834 -6.3 -7.9 88 1.6 -6.9 130 11 295.5 296.0 283.2 304.5 3.01 7 500 5390 -21.5 -23.8 82 2.3 -22.0 120 17 306.8 307.0 285.5 310.5 1.12 8 400 7000 -33.9 -37.3 71 3.4 -34.3 120 21 310.9 311.0 286.1 312.3 0.39 9 327 8380 -44.9 -48.1 70 3.2 -45.0 99 22 314.2 314.3 287.0 314.8 0.15 10 300 8950 -50.1 -53.3 69 3.2 -50.2 90 23 314.7 314.8 287.1 315.1 0.09 11 280 9397 -54.3 -57.6 67 3.3 -54.4 94 22 315.0 315.0 287.1 315.2 0.06 12 250 10120 -56.1 -59.3 67 3.2 -56.2 100 21 322.7 322.7 289.6 322.9 0.05 13 234 10539 -59.1 -62.6 64 3.5 -59.2 75 17 324.3 324.3 290.1 324.4 0.04 14 200 11540 -52.9 -56.8 62 3.9 -53.0 115 7 349.0 349.0 296.5 349.4 0.09 15 194 11736 -50.5 -54.5 62 4.0 -50.7 133 7 355.9 355.9 298.0 356.4 0.12 16 150 13400 -51.5 -56.5 55 5.0 -51.7 285 5 381.3 381.4 302.5 381.9 0.12 17 100 16020 -54.7 -61.7 42 7.0 -55.0 270 13 422.0 422.1 308.0 422.5 0.09 18 70 18280 -56.3 -64.3 36 8.0 -56.7 290 9 463.9 464.0 312.2 464.5 0.10 19 50 20430 -53.9 -61.9 37 8.0 -54.6 340 7 516.5 516.5 316.1 517.6 0.18 20 36 22532 -55.5 -63.5 36 8.0 -56.3 563.2 563.3 318.9 564.6 0.21 TRP 234 10539 -59.1 -62.6 64 3.5 -59.2 75 17 324.3 324.3 290.1 324.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5400.00 m Freezing level: 901.57 mb = 828.90 m = 2719.47 ft Wetbulb zero: 919.26 mb = 670.93 m = 2201.18 ft Precipitable water: 0.64 inches Sfc-500 mean rel hum: 86.39 % Est. max temperature: 11.38 C = 52.49 F Sfc-Lift cond lev (LCL): 962.18 mb = 302.09 m = 991.09 ft T: 2.78 C 700-500 lapse rate: 5.95 C/km ThetaE index: 0.00 C Layer 997.0- -0.0 mb Conv cond level (CCL): 843.77 mb = 1356.30 m = 4449.76 ft Mean mixing ratio: 4.01 g/kg Conv temperature: 11.60 C = 52.89 F Cap Strength: 8.80 C Lifted Index: 14.16 C Risk: None Lifted Index @300 mb: 17.03 C Lifted Index @700 mb: 8.80 C Showalter Index: 11.20 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 18.40 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 71.00 Risk: None Energy Index: 3.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.59 J/kg Max Up Vert Vel: 5.02 m/s Conv Inhibition (B-): 35994.42 J/kg Cap Strength: 13.98 C Lift Cond Lev (LCL): 914.44 mb = 713.13 m = 2339.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 159 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 ---------------------------------------------------------- 0 997 14 65 11 -10.0 -4.6 | 17 18 -5.2 -16.9 1 925 621 135 27 -19.1 19.1 | 115 16 -14.3 6.8 2 850 1298 140 27 -17.4 20.7 | 124 15 -12.6 8.4 3 700 2834 130 11 -8.4 7.1 | 35 6 -3.7 -5.2 4 500 5390 120 17 -14.7 8.5 | 69 11 -10.0 -3.8 5 400 7000 120 21 -18.2 10.5 | 82 14 -13.4 -1.8 6 300 8950 90 23 -23.0 0.0 | 56 22 -18.2 -12.3 7 250 10120 100 21 -20.7 3.6 | 62 18 -15.9 -8.6 8 234 10539 75 17 -16.4 -4.4 | 35 20 -11.7 -16.7 9 200 11540 115 7 -6.3 3.0 | 10 9 -1.6 -9.3 10 150 13400 285 5 4.8 -1.3 | 325 17 9.6 -13.6 11 100 16020 270 13 13.0 -0.0 | 305 22 17.8 -12.3 12 70 18280 290 9 8.5 -3.1 | 319 20 13.2 -15.4 13 50 20430 340 7 2.4 -6.6 | 339 20 7.2 -18.9 Wind Parameters Mean winds (0-6000m): 128.8 at 17.6 knts Storm direction: 158.8 at 13.2 knts Shear (0-3000m) pos: 4.1 neg: 2.3 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 21.8 deg Storm rel helicity (0-3000m) pos: 130.9 neg: -28.8 tot: 102.1 m^2/s^2 ave: 34.0 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.40 Bulk Shear: 3.70 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 ------------------------------------------------------------------------------- 500 111 18 63 13| 21.1 0.0 21.1| 96.6 0.0 96.6 193.1 0.99| 22.9 22.7 1000 127 22 94 13| 13.4 0.0 13.4|127.1 0.0 127.1 127.1 0.99| 15.3 15.2 1500 132 24 105 13| 8.3 0.0 8.3|130.5 -4.5 126.0 84.0 0.89| 11.3 10.0 2000 133 23 106 13| 6.2 1.4 7.6|130.5 -14.6 115.9 58.0 0.67| 9.8 6.6 2500 134 22 104 12| 5.0 2.2 7.1|130.5 -23.6 106.9 42.8 0.49| 9.0 4.4 3000 134 20 100 10| 4.1 2.3 6.5|130.9 -28.8 102.1 34.0 0.39| 8.1 3.1 4000 133 18 91 9| 3.1 1.5 4.6|134.9 -28.8 106.1 26.5 0.41| 6.4 2.6 5000 131 18 85 9| 2.5 1.1 3.6|138.5 -28.8 109.7 21.9 0.42| 5.4 2.3 6000 129 18 82 9| 2.1 0.8 2.9|143.0 -28.8 114.3 19.0 0.43| 4.7 2.0 Wrote GIF file: /home/apache/climate/data/raob//X2618/skewt/X2618.skewt.20250417.12.gif