UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 27 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 1007 26 2.2 0.1 86 2.1 1.3 330 7 274.8 275.4 274.1 285.2 3.82 1 971 314 1.2 -2.5 76 3.7 -0.3 296 10 276.7 277.2 274.4 285.7 3.27 2 900 909 -2.9 -5.7 81 2.8 -3.9 224 18 278.5 279.0 274.7 286.3 2.77 3 850 1352 -6.1 -7.4 90 1.3 -6.5 170 23 279.8 280.2 275.1 287.0 2.58 4 772 2103 -7.9 -8.7 94 0.8 -8.2 190 28 285.6 286.1 278.2 293.1 2.56 5 700 2857 -12.5 -14.2 87 1.7 -13.0 210 33 288.6 289.0 278.6 294.1 1.82 6 635 3595 -17.5 -19.6 84 2.1 -18.0 217 38 291.1 291.3 279.1 295.0 1.27 7 603 3981 -20.3 -22.5 83 2.2 -20.7 221 41 292.2 292.4 279.3 295.5 1.04 8 585 4205 -21.3 -23.5 82 2.2 -21.7 223 42 293.6 293.8 279.8 296.7 0.98 9 547 4699 -23.5 -25.8 81 2.3 -23.9 228 45 296.7 296.8 281.1 299.4 0.85 10 500 5350 -28.5 -30.8 81 2.3 -28.8 235 50 298.3 298.4 281.4 300.2 0.59 11 400 6910 -41.1 -44.5 70 3.4 -41.3 235 52 301.6 301.6 282.3 302.2 0.18 12 355 7705 -48.1 -51.9 65 3.8 -48.2 245 62 302.6 302.6 282.5 303.0 0.09 13 337 8046 -49.5 -53.2 65 3.7 -49.6 250 66 305.3 305.3 283.7 305.6 0.08 14 300 8800 -52.5 -56.1 65 3.6 -52.6 255 62 311.3 311.4 285.9 311.6 0.06 15 269 9500 -56.1 -60.5 58 4.4 -56.2 255 56 316.0 316.0 287.5 316.1 0.04 16 250 9970 -52.3 -57.1 56 4.8 -52.4 250 46 328.3 328.3 291.3 328.6 0.07 17 226 10629 -49.7 -54.7 56 5.0 -49.9 241 36 341.9 341.9 294.9 342.3 0.10 18 220 10805 -50.7 -55.7 55 5.0 -50.9 239 33 343.0 343.0 295.1 343.4 0.09 19 213 11017 -49.1 -53.7 59 4.6 -49.3 236 29 348.7 348.7 296.4 349.2 0.12 20 200 11430 -50.5 -56.5 49 6.0 -50.7 230 23 352.8 352.8 297.3 353.2 0.09 21 168 12573 -46.1 -60.1 19 14.0 -46.8 239 19 378.2 378.2 302.0 378.5 0.07 22 157 13020 -48.5 -71.5 5 23.0 -49.2 243 18 381.5 381.5 302.5 381.6 0.02 23 150 13320 -46.7 -76.7 2 30.0 -47.6 245 17 389.6 389.6 303.8 389.6 0.01 24 101 15934 -48.3 -81.3 1 33.0 -49.4 201 11 433.2 433.2 309.1 433.2 0.01 25 100 16000 -48.1 -81.1 1 33.0 -49.3 200 11 434.8 434.8 309.3 434.8 0.01 26 70 18340 -49.5 -82.5 1 33.0 -50.8 220 15 478.5 478.5 313.3 478.5 0.01 27 55 19918 -51.1 -83.1 1 32.0 -52.5 130 11 509.0 509.0 315.6 509.0 0.01 28 50 20540 -50.1 -83.1 1 33.0 -51.8 95 9 525.4 525.4 316.6 525.5 0.01 29 39 22161 -49.3 -82.3 1 33.0 -51.5 56 5 566.1 566.1 319.0 566.2 0.01 30 30 23870 -51.1 -83.1 1 32.0 -53.4 15 1 605.3 605.3 320.9 605.4 0.01 31 23 25598 -51.5 -83.5 1 32.0 -54.2 35 4 651.9 652.0 322.7 652.1 0.02 32 20 26510 -49.3 -82.3 1 33.0 -53.0 45 5 685.3 685.3 324.0 685.4 0.02 33 10 31050 -47.3 -80.3 1 33.0 -53.9 45 15 843.0 843.0 328.2 843.6 0.06 34 6.1 34374 -39.9 -75.9 1 36.0 -52.5 1002.8 1002.9 331.2 1005.3 0.21 TRP 269 9500 -56.1 -60.5 58 4.4 -56.2 255 56 316.0 316.0 287.5 316.1 0.04 WND 337 8046 -49.5 -53.2 65 3.7 -49.6 250 66 305.3 305.3 283.7 305.6 0.08 Sounding variables and indices 1000-500 mb thick: 5268.83 m Freezing level: 950.22 mb = 488.20 m = 1601.70 ft Wetbulb zero: 977.22 mb = 263.45 m = 864.32 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 84.91 % Est. max temperature: 6.99 C = 44.58 F Sfc-Lift cond lev (LCL): 974.64 mb = 284.33 m = 932.81 ft T: 1.30 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.00 C Layer 1007.0-4584246774848121097682944.0 mb Conv cond level (CCL): 882.42 mb = 1062.12 m = 3484.62 ft Mean mixing ratio: 3.22 g/kg Conv temperature: 6.35 C = 43.43 F Cap Strength: 10.23 C Lifted Index: 10.91 C Risk: None Lifted Index @300 mb: 18.14 C Lifted Index @700 mb: 6.00 C Showalter Index: 9.98 C Risk: None Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.40 C Cross Totals Index: 21.10 C K Index: 13.30 Risk: None Sweat Index: 234.29 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.82 J/kg Max Up Vert Vel: 4.86 m/s Conv Inhibition (B-): 76599.37 J/kg Cap Strength: 10.90 C Lift Cond Lev (LCL): 910.41 mb = 819.17 m = 2687.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 248 at 25 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 1007 26 330 7 3.5 -6.1 | 52 25 -19.8 -15.5 1 850 1352 170 23 -4.0 22.7 | 116 30 -27.3 13.2 2 700 2857 210 33 16.5 28.6 | 160 20 -6.8 19.2 3 500 5350 235 50 41.0 28.7 | 222 26 17.6 19.3 4 400 6910 235 52 42.6 29.8 | 223 28 19.3 20.4 5 337 8046 250 66 62.0 22.6 | 251 41 38.7 13.2 6 300 8800 255 62 59.9 16.0 | 260 37 36.6 6.6 7 269 9500 255 56 54.1 14.5 | 261 31 30.8 5.1 8 250 9970 250 46 43.2 15.7 | 252 21 19.9 6.3 9 200 11430 230 23 17.6 14.8 | 133 8 -5.7 5.4 10 150 13320 245 17 15.4 7.2 | 74 8 -7.9 -2.2 11 100 16000 200 11 3.8 10.3 | 93 20 -19.6 0.9 12 70 18340 220 15 9.6 11.5 | 99 14 -13.7 2.1 13 50 20540 95 9 -9.0 0.8 | 75 33 -32.3 -8.6 14 30 23870 15 1 -0.3 -1.0 | 66 26 -23.6 -10.4 15 20 26510 45 5 -3.5 -3.5 | 64 30 -26.9 -12.9 16 10 31050 45 15 -10.6 -10.6 | 59 39 -33.9 -20.0 Wind Parameters Mean winds (0-6000m): 218.0 at 33.5 knts Storm direction: 248.0 at 25.1 knts Shear (0-3000m) pos: 3.6 neg: 5.3 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 112.6 deg Storm rel helicity (0-3000m) pos: 182.6 neg: -27.3 tot: 155.4 m^2/s^2 ave: 51.8 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 5.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.06 Bulk Shear: 190.71 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 ------------------------------------------------------------------------------- 500 107 10 79 33| 0.0 11.7 11.7| 3.2 -17.5 -14.3 -28.6 -0.17| 12.5 -2.1 1000 163 13 96 27| 0.0 12.0 12.0| 42.5 -17.5 25.1 25.1 0.38| 15.5 5.9 1500 177 16 105 25| 0.0 10.5 10.5| 58.7 -27.3 31.4 21.0 0.27| 15.8 4.2 2000 179 18 111 25| 1.8 7.9 9.6|104.2 -27.3 76.9 38.4 0.35| 13.6 4.8 2500 185 21 117 24| 2.9 6.3 9.2|147.2 -27.3 120.0 48.0 0.42| 12.4 5.2 3000 192 23 124 22| 3.6 5.3 8.8|182.6 -27.3 155.4 51.8 0.47| 11.5 5.4 4000 202 26 138 20| 3.9 3.9 7.8|234.3 -27.3 207.1 51.8 0.53| 9.9 5.2 5000 211 30 155 18| 4.1 3.2 7.3|294.1 -27.3 266.8 53.4 0.58| 9.0 5.2 6000 218 34 171 17| 3.7 2.7 6.4|317.1 -27.3 289.9 48.3 0.59| 7.8 4.6 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250427.23.gif