UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for X2477... Searching the city database file for: X2477 ... Date:1200Z 27 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 1002 24 0.4 0.1 98 0.3 0.3 310 1 273.4 274.0 273.3 283.8 3.84 1 1000 40 0.2 -1.0 92 1.2 -0.3 310 1 273.4 273.9 272.9 283.0 3.55 2 925 663 -2.3 -3.9 89 1.6 -2.9 10 9 277.0 277.5 274.3 285.5 3.09 3 878 1076 -3.9 -5.1 91 1.2 -4.3 90 7 279.5 280.0 275.5 287.8 2.98 4 850 1331 -5.7 -7.7 86 2.0 -6.4 140 5 280.2 280.6 275.3 287.3 2.52 5 700 2827 -14.7 -16.3 88 1.6 -15.1 40 7 286.2 286.5 277.0 290.8 1.53 6 664 3225 -15.3 -16.9 88 1.6 -15.7 49 6 289.9 290.2 278.9 294.5 1.53 7 602 3956 -20.7 -23.3 80 2.6 -21.2 67 5 291.9 292.1 279.0 294.9 0.97 8 560 4487 -22.9 -32.9 40 10.0 -24.2 80 4 295.4 295.5 279.9 296.8 0.43 9 540 4753 -23.5 -32.5 43 9.0 -24.8 86 4 297.8 297.8 281.0 299.3 0.46 10 502 5281 -27.3 -33.3 57 6.0 -28.0 99 3 299.4 299.5 281.7 300.9 0.46 11 500 5310 -27.5 -33.5 57 6.0 -28.2 100 3 299.5 299.6 281.8 301.0 0.45 12 417 6593 -36.9 -46.9 35 10.0 -37.5 104 5 303.4 303.4 283.0 303.9 0.13 13 400 6880 -38.7 -46.7 43 8.0 -39.2 105 5 304.7 304.7 283.5 305.2 0.14 14 300 8800 -53.1 -57.3 60 4.2 -53.2 160 7 310.5 310.5 285.6 310.7 0.06 15 274 9374 -58.1 -62.1 60 4.0 -58.2 175 9 311.4 311.4 285.9 311.5 0.03 16 250 9950 -56.1 -59.8 63 3.7 -56.2 200 7 322.7 322.7 289.6 322.9 0.05 17 224 10657 -51.5 -55.5 62 4.0 -51.7 227 8 340.0 340.0 294.4 340.4 0.09 18 200 11400 -48.5 -53.5 56 5.0 -48.7 255 9 356.0 356.0 298.0 356.5 0.13 19 150 13290 -49.3 -59.3 30 10.0 -49.8 285 9 385.1 385.1 303.1 385.5 0.09 20 100 15940 -50.7 -64.7 17 14.0 -51.4 255 11 429.8 429.8 308.9 430.1 0.06 21 79 17476 -49.5 -65.5 14 16.0 -50.5 248 8 462.2 462.2 312.0 462.6 0.07 22 70 18260 -52.9 -68.9 13 16.0 -53.7 245 7 471.2 471.2 312.8 471.5 0.05 23 67 18543 -53.7 -69.7 12 16.0 -54.5 245 7 475.4 475.4 313.1 475.7 0.05 24 52 20185 -51.5 -68.5 11 17.0 -52.8 245 9 516.3 516.3 316.1 516.8 0.07 25 50 20440 -51.7 -68.7 11 17.0 -53.0 245 9 521.6 521.7 316.4 522.1 0.07 26 30 23750 -50.3 -68.3 10 18.0 -52.5 165 3 607.5 607.6 321.0 608.5 0.13 27 20 26400 -50.1 -68.1 10 18.0 -53.2 80 7 682.8 682.9 323.9 684.5 0.20 28 14 28742 -48.3 -67.3 9 19.0 -52.8 44 7 762.3 762.4 326.4 765.3 0.32 29 10 30980 -44.3 -64.3 9 20.0 -51.5 10 7 854.2 854.5 328.7 861.4 0.67 30 9.9 31047 -45.1 -64.1 10 19.0 -51.8 853.6 854.0 328.6 861.1 0.70 TRP 274 9374 -58.1 -62.1 60 4.0 -58.2 175 9 311.4 311.4 285.9 311.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 5270.00 m Freezing level: 994.00 mb = 89.84 m = 294.75 ft Wetbulb zero: 1001.04 mb = 31.70 m = 104.02 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 77.86 % Est. max temperature: 7.13 C = 44.84 F Sfc-Lift cond lev (LCL): 997.19 mb = 62.46 m = 204.92 ft T: 0.11 C 700-500 lapse rate: 5.16 C/km ThetaE index: 0.80 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 878.73 mb = 1069.34 m = 3508.30 ft Mean mixing ratio: 3.27 g/kg Conv temperature: 6.43 C = 43.57 F Cap Strength: 12.73 C Lifted Index: 12.79 C Risk: None Lifted Index @300 mb: 18.31 C Lifted Index @700 mb: 4.56 C Showalter Index: 10.74 C Risk: None Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.80 C K Index: 12.50 Risk: None Sweat Index: 13.00 Risk: None Energy Index: 2.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.46 J/kg Max Up Vert Vel: 5.56 m/s Conv Inhibition (B-): 77816.04 J/kg Cap Strength: 12.58 C Lift Cond Lev (LCL): 929.91 mb = 620.73 m = 2036.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 90 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 1002 24 310 1 0.8 -0.6 | 278 5 4.7 -0.6 1 1000 40 310 1 0.8 -0.6 | 278 5 4.7 -0.6 2 925 663 10 9 -1.6 -8.9 | 345 9 2.4 -8.9 3 850 1331 140 5 -3.2 3.8 | 191 4 0.7 3.8 4 700 2827 40 7 -4.5 -5.4 | 6 5 -0.6 -5.4 5 500 5310 100 3 -3.0 0.5 | 242 1 1.0 0.5 6 400 6880 105 5 -4.8 1.3 | 146 2 -0.9 1.3 7 300 8800 160 7 -2.4 6.6 | 193 7 1.6 6.6 8 274 9374 175 9 -0.8 9.0 | 199 10 3.2 9.0 9 250 9950 200 7 2.4 6.6 | 224 9 6.3 6.6 10 200 11400 255 9 8.7 2.3 | 260 13 12.6 2.3 11 150 13290 285 9 8.7 -2.3 | 280 13 12.6 -2.3 12 100 15940 255 11 10.6 2.8 | 259 15 14.6 2.9 13 70 18260 245 7 6.3 3.0 | 254 11 10.3 3.0 14 50 20440 245 9 8.2 3.8 | 253 13 12.1 3.8 15 30 23750 165 3 -0.8 2.9 | 227 4 3.2 2.9 16 20 26400 80 7 -6.9 -1.2 | 68 3 -2.9 -1.2 17 10 30980 10 7 -1.2 -6.9 | 338 7 2.7 -6.9 Wind Parameters Mean winds (0-6000m): 59.9 at 5.3 knts Storm direction: 89.9 at 3.9 knts Shear (0-3000m) pos: 1.1 neg: 1.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 91.4 deg Storm rel helicity (0-3000m) pos: 33.1 neg: -7.0 tot: 26.1 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.09 Bulk Shear: 3.78 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 ------------------------------------------------------------------------------- 500 351 4 311 6| 6.8 0.0 6.8| 11.0 0.0 11.0 22.1 0.85| 7.4 6.2 1000 20 6 341 6| 3.9 0.0 3.9| 28.5 0.0 28.5 28.5 0.84| 10.0 8.4 1500 32 6 351 5| 2.1 0.0 2.1| 32.7 -0.8 32.0 21.3 0.80| 9.3 7.4 2000 57 6 16 3| 1.6 0.8 2.5| 32.7 -2.7 30.1 15.0 0.61| 7.8 4.8 2500 59 6 20 3| 1.3 1.4 2.7| 32.7 -4.9 27.8 11.1 0.45| 7.0 3.2 3000 52 6 12 4| 1.1 1.4 2.4| 33.1 -7.0 26.1 8.7 0.37| 6.4 2.4 4000 53 6 13 4| 1.1 1.0 2.1| 33.9 -7.0 26.9 6.7 0.37| 5.2 1.9 5000 55 6 12 3| 1.0 0.8 1.8| 34.0 -7.1 26.9 5.4 0.33| 4.4 1.4 6000 60 5 13 3| 0.9 0.7 1.6| 34.0 -7.3 26.7 4.4 0.30| 3.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//X2477/skewt/X2477.skewt.20250427.12.gif