UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102112.upa.cvt Date: 1200Z 21 OCT 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 21 OCT 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 1009 25 -3.3 -3.7 97 0.4 -3.4 70 1 269.2 269.6 269.2 276.9 2.88 1 1000 96 -1.1 -2.2 92 1.1 -1.5 115 3 272.0 272.6 271.6 280.8 3.25 2 994 144 0.2 -1.2 90 1.4 -0.4 121 3 273.8 274.4 273.1 283.4 3.52 3 925 716 -3.7 -7.8 73 4.1 -5.1 190 3 275.5 275.9 272.3 281.9 2.29 4 850 1378 -8.5 -12.2 75 3.7 -9.5 260 5 277.2 277.5 272.5 282.3 1.76 5 823 1628 -10.5 -15.3 68 4.8 -11.7 272 5 277.7 277.9 272.2 281.8 1.41 6 700 2854 -18.9 -24.9 59 6.0 -19.9 330 5 281.6 281.7 273.3 283.8 0.72 7 513 5092 -35.7 -39.5 68 3.8 -36.0 81 7 287.4 287.4 275.7 288.2 0.24 8 500 5270 -36.9 -40.7 68 3.8 -37.1 90 7 288.0 288.1 276.0 288.8 0.22 9 400 6780 -47.1 -50.5 68 3.4 -47.2 150 5 293.8 293.8 278.7 294.1 0.09 10 312 8390 -54.7 -58.1 66 3.4 -54.8 181 5 304.8 304.8 283.4 305.0 0.05 11 301 8619 -55.5 -58.8 67 3.3 -55.6 185 5 306.8 306.8 284.2 307.0 0.05 12 300 8640 -55.5 -58.9 66 3.4 -55.6 185 5 307.1 307.1 284.3 307.3 0.05 13 250 9820 -51.3 -54.9 65 3.6 -51.4 250 21 329.8 329.8 291.7 330.2 0.09 14 200 11270 -49.9 -55.9 49 6.0 -50.1 250 29 353.8 353.8 297.5 354.2 0.10 15 150 13150 -50.5 -59.5 34 9.0 -50.9 265 33 383.1 383.1 302.8 383.4 0.08 16 100 15790 -50.7 -64.7 17 14.0 -51.4 255 33 429.8 429.8 308.9 430.1 0.06 17 70 18100 -51.1 -67.1 13 16.0 -52.1 245 31 475.1 475.1 313.1 475.5 0.07 18 52 20042 -49.5 -67.5 10 18.0 -51.1 245 42 520.9 521.0 316.4 521.5 0.08 19 50 20300 -48.5 -67.5 9 19.0 -50.3 245 44 529.2 529.2 316.9 529.8 0.09 20 43 21296 -46.5 -66.5 9 20.0 -49.0 241 40 557.4 557.5 318.5 558.2 0.12 21 35 22650 -49.9 -69.9 8 20.0 -52.0 235 34 582.4 582.4 319.8 583.0 0.09 22 30 23670 -44.3 -66.3 7 22.0 -48.1 230 29 623.9 623.9 321.7 625.2 0.17 23 25 24876 -50.5 -72.5 6 22.0 -53.2 639.5 639.5 322.3 640.1 0.09 24 21 26019 -47.9 -70.9 5 23.0 -51.7 680.0 680.1 323.8 681.1 0.13 TRP 301 8619 -55.5 -58.8 67 3.3 -55.6 185 5 306.8 306.8 284.2 307.0 0.05 WND Sounding variables and indices 1000-500 mb thick: 5174.00 m Freezing level: Surface below freezing Freezing level: 994.92 mb = 136.68 m = 448.40 ft Freezing level: 990.46 mb = 173.40 m = 568.89 ft Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 67.77 % Est. max temperature: 4.59 C = 40.27 F Sfc-Lift cond lev (LCL): 1002.52 mb = 75.99 m = 249.32 ft T: -1.72 C 700-500 lapse rate: 7.45 C/km ThetaE index: 1.45 C Layer 925.0- 850.0 mb Conv cond level (CCL): 896.44 mb = 961.57 m = 3154.73 ft Mean mixing ratio: 2.83 g/kg Conv temperature: 3.73 C = 38.72 F Cap Strength: 4.89 C Lifted Index: 5.33 C Risk: None Lifted Index @300 mb: 17.66 C Lifted Index @700 mb: 2.14 C Showalter Index: 5.27 C Risk: None Total Totals Index: 53.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.40 C Cross Totals Index: 24.70 C K Index: 10.20 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 1.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.29 J/kg Max Up Vert Vel: 4.96 m/s Conv Inhibition (B-): 58035.52 J/kg Cap Strength: 5.25 C Lift Cond Lev (LCL): 921.10 mb = 749.05 m = 2457.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 at 4 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 1009 25 70 1 -0.9 -0.3 | 255 3 2.9 0.8 1 1000 96 115 3 -2.7 1.3 | 204 3 1.1 2.4 2 925 716 190 3 0.5 3.0 | 227 6 4.3 4.1 3 850 1378 260 5 4.9 0.9 | 257 9 8.7 2.0 4 700 2854 330 5 2.5 -4.3 | 297 7 6.3 -3.2 5 500 5270 90 7 -7.0 0.0 | 109 3 -3.2 1.1 6 400 6780 150 5 -2.5 4.3 | 193 6 1.3 5.4 7 301 8619 185 5 0.4 5.0 | 215 7 4.2 6.1 8 300 8640 185 5 0.4 5.0 | 215 7 4.2 6.1 9 250 9820 250 21 19.7 7.2 | 251 25 23.5 8.3 10 200 11270 250 29 27.3 9.9 | 250 33 31.1 11.0 11 150 13150 265 33 32.9 2.9 | 264 37 36.7 4.0 12 100 15790 255 33 31.9 8.5 | 255 37 35.7 9.7 13 70 18100 245 31 28.1 13.1 | 246 35 31.9 14.2 14 50 20300 245 44 39.9 18.6 | 246 48 43.7 19.7 15 30 23670 230 29 22.2 18.6 | 233 33 26.0 19.8 Wind Parameters Mean winds (0-6000m): 43.7 at 5.3 knts Storm direction: 73.7 at 4.0 knts Shear (0-3000m) pos: 0.9 neg: 0.0 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 47.9 deg Storm rel helicity (0-3000m) pos: 24.9 neg: -1.7 tot: 23.2 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.45 Bulk Shear: 5.02 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 ------------------------------------------------------------------------------- 500 137 3 210 4| 3.4 0.0 3.4| 1.1 -1.7 -0.6 -1.2 -0.31| 5.2 -1.6 1000 172 3 219 5| 2.5 0.0 2.5| 4.9 -1.7 3.2 3.2 0.08| 4.3 0.3 1500 212 4 234 7| 2.0 0.0 2.0| 12.4 -1.7 10.7 7.1 0.33| 4.2 1.4 2000 240 4 247 8| 1.5 0.0 1.5| 17.1 -1.7 15.4 7.7 0.43| 3.7 1.6 2500 260 4 257 8| 1.1 0.0 1.1| 21.2 -1.7 19.6 7.8 0.49| 3.4 1.6 3000 276 4 265 8| 0.9 0.0 0.9| 24.9 -1.7 23.2 7.7 0.54| 3.2 1.7 4000 311 5 285 8| 0.7 0.0 0.7| 31.0 -1.7 29.3 7.3 0.60| 3.0 1.8 5000 345 5 306 6| 0.6 0.0 0.6| 35.4 -1.7 33.7 6.7 0.67| 3.0 2.0 6000 44 5 357 3| 0.5 0.0 0.5| 39.9 -1.7 38.2 6.4 0.71| 2.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20251021.12.gif