UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050411.upa.cvt Date: 1100Z 4 MAY 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 4 MAY 25 Station: BGBW WMO ident: 4270 Latitude: 61.18 Longitude: -45.42 Elevation: 26.00 ------------------------------------------------------------------------------- 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 26 4.2 4.1 99 0.1 4.2 240 1 277.2 278.1 277.2 291.1 5.12 1 966 317 2.8 2.5 98 0.3 2.7 214 3 278.7 279.5 277.5 291.7 4.74 2 946 483 1.6 1.5 99 0.1 1.5 200 4 279.1 279.9 277.4 291.5 4.50 3 913 766 3.6 -2.4 65 6.0 1.1 175 6 284.0 284.7 278.6 294.0 3.51 4 912 774 3.8 -2.2 65 6.0 1.3 174 6 284.3 285.0 278.9 294.5 3.56 5 902 862 3.6 -2.4 65 6.0 1.0 167 6 285.0 285.7 279.1 295.2 3.55 6 897 907 3.4 -2.6 65 6.0 0.8 163 6 285.3 285.9 279.2 295.3 3.52 7 850 1334 0.6 -7.4 55 8.0 -2.4 125 9 286.8 287.2 278.7 294.3 2.58 8 836 1467 0.0 -9.0 51 9.0 -3.3 127 10 287.5 287.9 278.7 294.3 2.31 9 828 1544 -0.9 -9.9 50 9.0 -4.1 128 11 287.4 287.7 278.5 293.7 2.17 10 772 2098 -5.3 -9.2 74 3.9 -6.7 135 15 288.4 288.9 279.4 295.7 2.46 11 725 2587 -9.1 -10.8 87 1.7 -9.6 141 19 289.5 289.9 279.7 296.3 2.31 12 700 2858 -9.9 -11.7 87 1.8 -10.5 145 21 291.5 291.9 280.6 298.2 2.23 13 688 2991 -9.5 -11.9 83 2.4 -10.3 146 22 293.4 293.8 281.4 300.1 2.23 14 646 3475 -12.3 -12.7 97 0.4 -12.4 147 24 295.6 296.0 282.3 302.4 2.23 15 636 3594 -13.1 -13.6 96 0.5 -13.3 148 24 296.0 296.4 282.3 302.4 2.10 16 615 3849 -14.9 -16.0 91 1.1 -15.2 149 26 296.8 297.1 282.3 302.3 1.78 17 610 3911 -13.9 -15.1 91 1.2 -14.3 149 26 298.6 299.0 283.2 304.6 1.94 18 587 4202 -15.9 -17.7 86 1.8 -16.4 150 27 299.6 299.9 283.2 304.7 1.62 19 537 4867 -20.1 -22.6 80 2.5 -20.7 153 30 302.3 302.5 283.8 306.0 1.16 20 530 4964 -21.1 -23.8 79 2.7 -21.7 153 31 302.2 302.4 283.7 305.7 1.06 21 518 5132 -23.5 -31.5 48 8.0 -24.7 154 32 301.3 301.4 282.6 303.1 0.53 22 500 5390 -24.9 -30.9 57 6.0 -25.8 155 33 302.7 302.8 283.2 304.6 0.58 23 476 5747 -27.1 -30.6 72 3.5 -27.6 153 39 304.2 304.4 284.0 306.4 0.63 24 441 6294 -30.9 -36.9 56 6.0 -31.6 149 48 306.2 306.2 284.4 307.4 0.37 25 416 6706 -34.3 -38.1 68 3.8 -34.7 147 55 306.9 307.0 284.6 308.1 0.34 26 400 6980 -36.7 -42.7 54 6.0 -37.1 145 60 307.3 307.3 284.6 308.1 0.22 27 382 7295 -39.5 -45.5 53 6.0 -39.9 140 64 307.7 307.7 284.7 308.3 0.17 28 352 7847 -44.5 -50.5 51 6.0 -44.7 145 53 308.2 308.2 284.8 308.6 0.11 29 300 8900 -49.9 -62.9 20 13.0 -50.2 155 31 315.0 315.0 287.1 315.1 0.03 30 297 8966 -50.3 -62.3 23 12.0 -50.5 155 31 315.4 315.4 287.2 315.5 0.03 31 272 9544 -49.5 -66.5 12 17.0 -49.8 168 26 324.6 324.6 290.2 324.6 0.02 32 250 10100 -48.3 -65.3 12 17.0 -48.7 180 21 334.3 334.3 292.9 334.4 0.02 33 225 10797 -46.5 -65.5 10 19.0 -47.1 178 23 347.2 347.2 296.0 347.4 0.03 34 200 11580 -46.1 -68.1 7 22.0 -46.8 175 25 359.8 359.8 298.7 359.9 0.02 35 168 12733 -47.7 -80.7 1 33.0 -48.4 184 21 375.5 375.5 301.5 375.5 0.00 36 163 12932 -48.1 -81.1 1 33.0 -48.8 186 21 378.1 378.1 301.9 378.1 0.00 37 150 13480 -47.7 -80.7 1 33.0 -48.5 190 19 387.9 387.9 303.5 387.9 0.00 38 131 14370 -51.3 -83.3 1 32.0 -52.0 192 18 396.8 396.8 304.8 396.8 0.00 39 118 15055 -48.5 -81.5 1 33.0 -49.4 193 18 414.0 414.0 307.0 414.0 0.00 40 101 16075 -51.3 -83.3 1 32.0 -52.1 195 17 427.4 427.4 308.6 427.4 0.00 41 100 16140 -51.3 -83.3 1 32.0 -52.1 195 17 428.6 428.6 308.7 428.6 0.00 42 84 17269 -52.7 -84.7 1 32.0 -53.5 215 16 447.7 447.7 310.6 447.7 0.00 43 70 18450 -51.5 -83.5 1 32.0 -52.6 235 15 474.2 474.2 313.0 474.2 0.01 44 50 20630 -51.3 -83.3 1 32.0 -52.8 180 9 522.6 522.6 316.5 522.6 0.01 45 34 23118 -55.1 -86.1 1 31.0 -56.5 82 4 573.5 573.5 319.3 573.6 0.01 46 30 23920 -54.3 -85.3 1 31.0 -56.0 50 3 596.6 596.6 320.5 596.7 0.01 47 20 26520 -54.5 -85.5 1 31.0 -56.8 60 7 669.4 669.4 323.4 669.4 0.01 48 10 31100 -42.5 -77.5 1 35.0 -51.4 85 27 860.9 861.0 328.7 861.9 0.10 49 6.7 33857 -33.7 -71.7 1 38.0 -49.7 1002.2 1002.4 331.3 1006.6 0.36 TRP 297 8966 -50.3 -62.3 23 12.0 -50.5 155 31 315.4 315.4 287.2 315.5 0.03 WND 382 7295 -39.5 -45.5 53 6.0 -39.9 140 64 307.7 307.7 284.7 308.3 0.17 Sounding variables and indices 1000-500 mb thick: 5348.08 m Freezing level: 836.00 mb = 1467.02 m = 4812.99 ft Wetbulb zero: 884.75 mb = 1015.95 m = 3333.12 ft Precipitable water: 0.54 inches Sfc-500 mean rel hum: 78.34 % Est. max temperature: 13.72 C = 56.70 F Sfc-Lift cond lev (LCL): 1000.35 mb = 39.16 m = 128.46 ft T: 4.14 C 700-500 lapse rate: 5.92 C/km ThetaE index: 1.05 C Layer 850.0- 836.0 mb Conv cond level (CCL): 830.25 mb = 1522.14 m = 4993.85 ft Mean mixing ratio: 4.40 g/kg Conv temperature: 14.41 C = 57.94 F Cap Strength: 9.94 C Lifted Index: 9.59 C Risk: None Lifted Index @300 mb: 16.12 C Lifted Index @700 mb: 4.20 C Showalter Index: 8.13 C Risk: None Total Totals Index: 43.00 C Risk: None Vertical Totals Index: 25.50 C Cross Totals Index: 17.50 C K Index: 16.30 Risk: < 20 % chance of thunderstorms Sweat Index: 51.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.81 J/kg Max Up Vert Vel: 7.72 m/s Conv Inhibition (B-): 63644.34 J/kg Cap Strength: 9.88 C Lift Cond Lev (LCL): 925.32 mb = 659.15 m = 2162.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 178 at 15 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 26 240 1 0.9 0.5 | 355 15 1.3 -14.9 1 850 1334 125 9 -7.4 5.2 | 34 12 -6.9 -10.3 2 700 2858 145 21 -12.0 17.2 | 99 12 -11.6 1.8 3 500 5390 155 33 -13.9 29.9 | 137 20 -13.5 14.5 4 400 6980 145 60 -34.4 49.1 | 135 48 -34.0 33.7 5 382 7295 140 64 -41.1 49.0 | 130 53 -40.7 33.6 6 300 8900 155 31 -13.1 28.1 | 135 18 -12.7 12.7 7 297 8966 155 31 -13.1 28.1 | 135 18 -12.7 12.7 8 250 10100 180 21 0.0 21.0 | 185 6 0.4 5.6 9 200 11580 175 25 -2.2 24.9 | 170 10 -1.7 9.5 10 150 13480 190 19 3.3 18.7 | 229 5 3.7 3.3 11 100 16140 195 17 4.4 16.4 | 258 5 4.8 1.0 12 70 18450 235 15 12.3 8.6 | 298 14 12.7 -6.8 13 50 20630 180 9 0.0 9.0 | 356 6 0.4 -6.4 14 30 23920 50 3 -2.3 -1.9 | 6 17 -1.9 -17.4 15 20 26520 60 7 -6.1 -3.5 | 17 20 -5.6 -18.9 16 10 31100 85 27 -26.9 -2.4 | 56 32 -26.5 -17.8 Wind Parameters Mean winds (0-6000m): 148.4 at 20.6 knts Storm direction: 178.4 at 15.4 knts Shear (0-3000m) pos: 2.1 neg: 1.9 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 107.2 deg Storm rel helicity (0-3000m) pos: 62.5 neg: -3.6 tot: 59.0 m^2/s^2 ave: 19.7 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.59 Bulk Shear: 50.59 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 88 2 7 16| 0.0 3.5 3.5| 0.7 -3.6 -2.9 -5.7 -0.20| 3.8 -0.7 1000 126 4 12 13| 0.0 3.7 3.7| 12.1 -3.6 8.6 8.6 0.41| 4.6 1.9 1500 130 6 18 12| 0.0 3.7 3.7| 25.5 -3.6 22.0 14.7 0.56| 5.0 2.8 2000 131 7 25 12| 1.1 2.8 3.9| 38.2 -3.6 34.6 17.3 0.65| 4.8 3.2 2500 134 9 34 11| 1.7 2.2 4.0| 51.1 -3.6 47.6 19.0 0.72| 4.8 3.4 3000 138 11 43 10| 2.1 1.9 4.0| 62.5 -3.6 59.0 19.7 0.75| 4.6 3.5 4000 142 14 63 9| 2.2 1.4 3.6| 77.2 -3.6 73.7 18.4 0.77| 4.1 3.2 5000 146 17 83 9| 2.3 1.1 3.4| 94.0 -3.6 90.4 18.1 0.76| 3.8 2.9 6000 148 21 101 11| 2.3 1.7 3.9|102.8 -4.2 98.5 16.4 0.60| 4.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250504.11.gif