UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for X2477... Searching the city database file for: X2477 ... Date:0000Z 18 JAN 26 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 1003 23 -16.9 -20.1 76 3.2 -17.4 10 1 256.0 256.2 255.5 258.1 0.77 1 1000 46 -16.3 -20.8 68 4.5 -17.0 10 3 256.9 257.0 256.1 258.8 0.73 2 971 270 -13.1 -20.1 56 7.0 -14.3 21 9 262.2 262.4 260.6 264.5 0.80 3 925 645 -7.5 -19.5 38 12.0 -10.1 40 19 271.6 271.8 267.5 274.2 0.88 4 889 954 -6.5 -26.5 19 20.0 -10.3 38 19 275.8 275.9 269.5 277.3 0.49 5 873 1095 -7.9 -29.9 15 22.0 -11.6 37 19 275.8 275.8 269.2 276.9 0.37 6 850 1301 -9.7 -31.7 15 22.0 -13.1 35 19 276.0 276.0 269.2 277.0 0.32 7 813 1643 -10.5 -31.5 16 21.0 -13.8 34 25 278.7 278.7 270.9 279.7 0.34 8 710 2671 -17.1 -38.1 14 21.0 -19.6 30 42 282.4 282.4 272.9 283.1 0.20 9 700 2777 -18.1 -39.1 14 21.0 -20.4 30 44 282.4 282.5 272.9 283.0 0.18 10 568 4302 -30.3 -44.3 24 14.0 -31.2 36 54 285.5 285.5 274.5 285.9 0.13 11 510 5062 -34.5 -48.5 23 14.0 -35.3 39 59 289.3 289.3 276.5 289.6 0.09 12 500 5200 -35.1 -49.1 23 14.0 -35.8 40 60 290.2 290.3 276.9 290.5 0.09 13 418 6426 -43.6 -58.4 18 14.8 -44.0 40 73 294.6 294.6 279.0 294.7 0.03 14 400 6720 -45.7 -60.7 17 15.0 -46.0 40 73 295.6 295.6 279.4 295.7 0.03 15 307 8443 -55.9 -69.9 16 14.0 -56.1 45 60 304.5 304.5 283.2 304.6 0.01 16 302 8548 -55.9 -69.9 16 14.0 -56.1 45 57 306.0 306.0 283.8 306.0 0.01 17 300 8590 -55.7 -69.7 16 14.0 -55.8 45 56 306.8 306.8 284.1 306.9 0.01 18 250 9740 -55.9 -70.9 14 15.0 -56.1 55 33 323.0 323.0 289.7 323.0 0.01 19 200 11180 -49.5 -66.5 12 17.0 -50.0 65 15 354.4 354.4 297.6 354.5 0.02 20 150 13080 -43.9 -64.9 8 21.0 -45.0 320 5 394.4 394.4 304.5 394.6 0.04 21 100 15790 -45.5 -70.5 4 25.0 -46.9 240 7 439.8 439.8 309.8 440.0 0.03 22 70 18160 -47.3 -73.3 4 26.0 -48.9 205 17 483.2 483.2 313.7 483.4 0.03 23 65 18650 -46.3 -72.3 4 26.0 -48.2 186 16 495.7 495.7 314.7 495.9 0.03 24 50 20370 -51.7 -76.7 3 25.0 -53.1 120 11 521.6 521.6 316.4 521.8 0.02 25 47 20770 -53.1 -77.1 4 24.0 -54.4 127 11 527.6 527.6 316.8 527.7 0.02 26 41 21656 -50.3 -75.3 4 25.0 -52.2 143 12 555.6 555.6 318.4 555.8 0.03 27 30 23690 -51.3 -76.3 4 25.0 -53.5 180 13 604.8 604.8 320.8 605.1 0.04 28 25 24867 -53.7 -77.7 4 24.0 -55.8 164 23 630.3 630.3 321.9 630.6 0.04 29 22 25693 -50.9 -75.9 4 25.0 -53.8 153 30 662.1 662.1 323.2 662.5 0.06 30 20 26310 -52.7 -76.7 4 24.0 -55.4 145 35 674.9 674.9 323.6 675.3 0.06 31 14 28613 -52.7 -77.7 3 25.0 -56.2 747.3 747.4 325.8 748.0 0.07 TRP 307 8443 -55.9 -69.9 16 14.0 -56.1 45 60 304.5 304.5 283.2 304.6 0.01 WND 418 6426 -43.6 -58.4 18 14.8 -44.0 40 73 294.6 294.6 279.0 294.7 0.03 Sounding variables and indices 1000-500 mb thick: 5154.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 23.07 % Est. max temperature: 3.04 C = 37.47 F Sfc-Lift cond lev (LCL): 951.80 mb = 424.19 m = 1391.68 ft T: -10.80 C 700-500 lapse rate: 7.02 C/km ThetaE index: 0.39 C Layer 873.0- 850.0 mb Conv cond level (CCL): 619.69 mb = 3666.16 m = 12027.93 ft Mean mixing ratio: 0.79 g/kg Conv temperature: 11.39 C = 52.51 F Cap Strength: 17.63 C Lifted Index: 18.26 C Risk: None Lifted Index @300 mb: 27.42 C Lifted Index @700 mb: 13.87 C Showalter Index: 11.23 C Risk: None Total Totals Index: 28.80 C Risk: None Vertical Totals Index: 25.40 C Cross Totals Index: 3.40 C K Index: -27.30 Risk: None Sweat Index: 98.00 Risk: None Energy Index: 2.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 62.22 J/kg Max Up Vert Vel: 11.16 m/s Conv Inhibition (B-): 69777.83 J/kg Cap Strength: 17.77 C Lift Cond Lev (LCL): 817.44 mb = 1601.44 m = 5254.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 66 at 31 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 1003 23 10 1 -0.2 -1.0 | 248 30 28.2 11.6 1 1000 46 10 3 -0.5 -3.0 | 251 29 27.8 9.6 2 925 645 40 19 -12.2 -14.6 | 277 16 16.1 -2.0 3 850 1301 35 19 -10.9 -15.6 | 280 18 17.4 -3.0 4 700 2777 30 44 -22.0 -38.1 | 346 26 6.3 -25.5 5 500 5200 40 60 -38.6 -46.0 | 17 35 -10.2 -33.4 6 418 6426 40 73 -46.9 -55.9 | 23 47 -18.6 -43.3 7 400 6720 40 73 -46.9 -55.9 | 23 47 -18.6 -43.3 8 307 8443 45 60 -42.4 -42.4 | 25 33 -14.1 -29.8 9 300 8590 45 56 -39.6 -39.6 | 23 29 -11.3 -27.0 10 250 9740 55 33 -27.0 -18.9 | 348 6 1.3 -6.3 11 200 11180 65 15 -13.6 -6.3 | 247 16 14.7 6.3 12 150 13080 320 5 3.2 -3.8 | 254 33 31.5 8.8 13 100 15790 240 7 6.1 3.5 | 245 38 34.4 16.1 14 70 18160 205 17 7.2 15.4 | 232 45 35.5 28.0 15 50 20370 120 11 -9.5 5.5 | 226 26 18.8 18.1 16 30 23690 180 13 0.0 13.0 | 228 38 28.3 25.6 17 20 26310 145 35 -20.1 28.7 | 191 42 8.2 41.3 Wind Parameters Mean winds (0-6000m): 36.0 at 41.3 knts Storm direction: 66.0 at 31.0 knts Shear (0-3000m) pos: 4.1 neg: 3.6 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 204.1 neg: 0.0 tot: 204.1 m^2/s^2 ave: 68.0 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 8.1 stream: 6.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.45 Bulk Shear: 138.55 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 30 9 259 24| 15.3 0.0 15.3| 72.7 0.0 72.7 145.3 0.69| 15.8 10.9 1000 37 14 265 20| 9.3 0.0 9.3| 83.0 0.0 83.0 83.0 0.65| 10.2 6.6 1500 36 16 270 19| 6.2 1.3 7.6|100.9 0.0 100.9 67.3 0.70| 8.3 5.8 2000 35 19 278 18| 4.7 3.2 7.8|138.1 0.0 138.1 69.1 0.77| 8.4 6.5 2500 34 22 289 17| 3.7 4.3 8.0|174.5 0.0 174.5 69.8 0.78| 8.5 6.6 3000 33 25 301 17| 4.1 3.6 7.7|204.1 0.0 204.1 68.0 0.77| 8.1 6.2 4000 33 31 320 18| 4.0 2.7 6.7|255.0 0.0 255.0 63.7 0.79| 7.0 5.5 5000 35 37 337 19| 3.9 2.2 6.1|311.2 0.0 311.2 62.2 0.80| 6.4 5.1 6000 36 41 349 21| 3.7 2.2 5.9|353.2 0.0 353.2 58.9 0.74| 6.2 4.6 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20260118.00.gif