UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042923.upa.cvt Date: 2300Z 29 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 29 APR 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 1003 26 1.4 -2.5 75 3.9 -0.1 180 9 274.3 274.8 272.9 283.0 3.17 1 967 314 -0.3 -4.6 73 4.3 -1.9 165 8 275.5 276.0 273.0 283.2 2.80 2 923 678 -3.1 -4.7 89 1.6 -3.7 145 7 276.3 276.8 273.7 284.4 2.92 3 896 909 -3.5 -4.3 94 0.8 -3.8 132 6 278.3 278.8 275.0 286.9 3.10 4 883 1023 -3.9 -4.5 96 0.6 -4.1 126 6 279.0 279.5 275.5 287.7 3.10 5 850 1319 -3.1 -7.2 73 4.1 -4.6 110 5 282.9 283.3 276.9 290.4 2.62 6 843 1384 -3.3 -8.0 70 4.7 -5.0 114 5 283.4 283.8 276.9 290.5 2.48 7 805 1748 -5.5 -13.5 53 8.0 -7.9 134 5 284.8 285.1 276.5 289.7 1.67 8 769 2105 -7.9 -14.9 57 7.0 -9.9 154 5 285.9 286.2 276.9 290.6 1.56 9 726 2550 -10.5 -18.5 52 8.0 -12.5 179 5 287.8 288.1 277.4 291.5 1.22 10 700 2830 -11.9 -20.9 47 9.0 -14.0 195 5 289.3 289.5 277.9 292.5 1.03 11 685 2996 -11.5 -41.5 6 30.0 -15.5 200 6 291.6 291.6 277.7 292.1 0.15 12 668 3188 -11.5 -20.5 47 9.0 -13.7 205 7 293.7 293.9 280.1 297.1 1.12 13 649 3408 -13.3 -19.3 61 6.0 -14.8 212 8 294.0 294.3 280.4 298.0 1.28 14 633 3597 -14.9 -20.9 60 6.0 -16.3 217 9 294.3 294.5 280.4 297.9 1.14 15 584 4201 -18.7 -27.7 45 9.0 -20.3 235 13 296.8 296.9 280.8 298.9 0.67 16 557 4551 -21.5 -30.5 44 9.0 -22.9 246 15 297.5 297.6 281.0 299.3 0.54 17 549 4657 -22.1 -32.1 40 10.0 -23.5 249 15 298.0 298.1 281.1 299.6 0.47 18 522 5027 -23.1 -30.1 53 7.0 -24.2 260 17 301.1 301.3 282.7 303.1 0.60 19 500 5340 -25.7 -31.7 57 6.0 -26.5 270 19 301.7 301.8 282.8 303.5 0.54 20 477 5681 -28.7 -32.4 70 3.7 -29.2 272 25 302.1 302.2 283.0 303.9 0.53 21 453 6051 -30.1 -52.1 10 22.0 -31.5 274 31 304.8 304.8 283.4 305.1 0.07 22 409 6774 -34.9 -49.9 20 15.0 -35.8 279 43 307.7 307.7 284.6 308.0 0.10 23 400 6930 -35.9 -48.9 25 13.0 -36.7 280 46 308.3 308.4 284.8 308.7 0.11 24 395 7017 -36.7 -45.7 39 9.0 -37.3 280 47 308.4 308.4 284.9 309.0 0.16 25 378 7322 -36.5 -40.4 67 3.9 -36.8 281 51 312.6 312.6 286.6 313.6 0.30 26 360 7659 -38.9 -41.0 80 2.1 -39.1 282 54 313.7 313.8 287.0 314.8 0.29 27 322 8416 -43.9 -48.4 61 4.5 -44.1 284 63 317.0 317.0 287.9 317.6 0.15 28 314 8585 -43.7 -47.3 67 3.6 -43.9 284 65 319.6 319.6 288.8 320.2 0.17 29 300 8890 -46.3 -52.3 51 6.0 -46.6 285 69 320.1 320.1 288.9 320.5 0.10 30 279 9368 -50.0 -54.2 61 4.2 -50.1 285 75 321.5 321.5 289.3 321.8 0.09 31 274 9486 -50.9 -54.7 64 3.8 -51.0 288 73 321.8 321.9 289.4 322.2 0.08 32 261 9801 -52.5 -61.5 33 9.0 -52.7 295 68 324.0 324.0 290.0 324.1 0.04 33 250 10080 -52.1 -69.1 11 17.0 -52.4 290 58 328.6 328.6 291.3 328.7 0.01 34 243 10263 -51.3 -75.3 4 24.0 -51.7 288 55 332.5 332.5 292.4 332.5 0.01 35 242 10289 -51.5 -75.5 4 24.0 -51.8 288 54 332.6 332.6 292.4 332.6 0.01 36 224 10787 -51.3 -75.3 4 24.0 -51.7 283 46 340.3 340.3 294.4 340.3 0.01 37 200 11520 -50.5 -82.5 1 32.0 -51.0 275 33 352.8 352.8 297.3 352.8 0.00 38 182 12139 -47.9 -80.9 1 33.0 -48.6 273 28 366.7 366.7 299.9 366.7 0.00 39 150 13410 -49.9 -82.9 1 33.0 -50.5 270 19 384.1 384.1 302.9 384.1 0.00 40 101 15995 -49.7 -82.7 1 33.0 -50.7 255 15 430.5 430.5 308.9 430.5 0.00 41 100 16060 -49.9 -82.9 1 33.0 -50.8 255 15 431.3 431.3 309.0 431.3 0.00 42 70 18380 -51.7 -83.7 1 32.0 -52.8 245 13 473.8 473.8 313.0 473.8 0.01 43 63 19062 -52.5 -84.5 1 32.0 -53.6 243 13 486.5 486.5 314.0 486.5 0.00 44 59 19488 -49.7 -82.7 1 33.0 -51.2 242 13 502.0 502.0 315.1 502.1 0.01 45 50 20570 -50.1 -83.1 1 33.0 -51.8 240 13 525.4 525.4 316.6 525.5 0.01 46 30 23890 -52.1 -84.1 1 32.0 -54.2 295 9 602.6 602.6 320.7 602.7 0.01 47 28 24336 -53.1 -85.1 1 32.0 -55.1 611.8 611.8 321.2 611.9 0.01 48 20 26515 -50.9 -82.9 1 32.0 -54.1 680.4 680.4 323.8 680.5 0.02 TRP 261 9801 -52.5 -61.5 33 9.0 -52.7 295 68 324.0 324.0 290.0 324.1 0.04 WND 279 9368 -50.0 -54.2 61 4.2 -50.1 285 75 321.5 321.5 289.3 321.8 0.09 Sounding variables and indices 1000-500 mb thick: 5290.39 m Freezing level: 973.35 mb = 263.22 m = 863.59 ft Wetbulb zero: Below ground Precipitable water: 0.36 inches Sfc-500 mean rel hum: 58.38 % Est. max temperature: 9.63 C = 49.33 F Sfc-Lift cond lev (LCL): 943.92 mb = 502.99 m = 1650.22 ft T: -1.75 C 700-500 lapse rate: 5.50 C/km ThetaE index: 0.78 C Layer 805.0- 769.0 mb Conv cond level (CCL): 785.73 mb = 1936.86 m = 6354.44 ft Mean mixing ratio: 2.93 g/kg Conv temperature: 12.49 C = 54.48 F Cap Strength: 15.08 C Lifted Index: 15.18 C Risk: None Lifted Index @300 mb: 25.69 C Lifted Index @700 mb: 7.94 C Showalter Index: 10.23 C Risk: None Total Totals Index: 41.10 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 18.50 C K Index: 6.40 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.13 J/kg Max Up Vert Vel: 4.27 m/s Conv Inhibition (B-): 52405.53 J/kg Cap Strength: 15.13 C Lift Cond Lev (LCL): 907.88 mb = 806.70 m = 2646.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 at 8 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 26 180 9 0.0 9.0 | 141 13 -8.0 9.8 1 850 1319 110 5 -4.7 1.7 | 101 13 -12.7 2.5 2 700 2830 195 5 1.3 4.8 | 130 9 -6.7 5.6 3 500 5340 270 19 19.0 -0.0 | 266 11 11.0 0.8 4 400 6930 280 46 45.3 -8.0 | 281 38 37.3 -7.2 5 300 8890 285 69 66.6 -17.9 | 286 61 58.7 -17.1 6 279 9368 285 75 72.4 -19.4 | 286 67 64.5 -18.6 7 261 9801 295 68 61.6 -28.7 | 298 60 53.6 -27.9 8 250 10080 290 58 54.5 -19.8 | 292 50 46.5 -19.0 9 200 11520 275 33 32.9 -2.9 | 275 25 24.9 -2.1 10 150 13410 270 19 19.0 -0.0 | 266 11 11.0 0.8 11 100 16060 255 15 14.5 3.9 | 234 8 6.5 4.7 12 70 18380 245 13 11.8 5.5 | 211 7 3.8 6.3 13 50 20570 240 13 11.3 6.5 | 204 8 3.3 7.3 14 30 23890 295 9 8.2 -3.8 | 357 3 0.2 -3.0 Wind Parameters Mean winds (0-6000m): 245.7 at 10.7 knts Storm direction: 275.7 at 8.0 knts Shear (0-3000m) pos: 1.2 neg: 1.3 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): -2.7 deg Storm rel helicity (0-3000m) pos: 20.4 neg: -32.5 tot: -12.1 m^2/s^2 ave: -4.0 10^-3 m/s^2 rel: -0.12 Storm rel vorticity (0-3000m) horiz: 3.1 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 12.97 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 ------------------------------------------------------------------------------- 500 184 8 141 12| 0.0 4.3 4.3| 0.0 -14.2 -14.2 -28.3 -0.97| 4.3 -4.2 1000 166 7 129 13| 0.0 3.8 3.8| 0.0 -26.8 -26.8 -26.8 -0.98| 4.0 -3.9 1500 152 7 121 13| 0.0 2.6 2.6| 3.2 -32.5 -29.2 -19.5 -0.79| 3.6 -2.8 2000 149 6 119 13| 0.6 2.0 2.6| 10.4 -32.5 -22.1 -11.0 -0.47| 3.3 -1.6 2500 151 6 119 12| 1.0 1.6 2.5| 15.6 -32.5 -16.9 -6.8 -0.28| 3.2 -0.9 3000 157 6 121 12| 1.2 1.3 2.5| 20.4 -32.5 -12.1 -4.0 -0.12| 3.1 -0.4 4000 181 7 133 11| 1.8 1.0 2.8| 36.6 -32.5 4.1 1.0 0.20| 3.3 0.6 5000 216 8 157 8| 2.2 0.8 3.0| 57.8 -32.5 25.3 5.1 0.41| 3.6 1.5 6000 246 11 199 5| 3.0 0.7 3.7| 76.6 -32.5 44.1 7.4 0.39| 4.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250429.23.gif