UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042523.upa.cvt Date: 2300Z 25 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 25 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 1001 26 2.4 2.1 98 0.3 2.2 190 3 275.5 276.2 275.3 287.5 4.44 1 994 82 3.4 1.7 89 1.7 2.7 187 3 277.0 277.8 276.1 288.9 4.35 2 965 318 1.4 -0.0 90 1.4 0.8 174 3 277.4 278.0 275.7 288.2 3.96 3 947 467 0.2 -0.8 93 1.0 -0.2 166 3 277.6 278.3 275.7 288.1 3.80 4 896 903 -1.3 -2.4 92 1.1 -1.7 143 3 280.5 281.1 276.9 290.5 3.57 5 869 1143 -2.3 -4.1 87 1.8 -3.0 129 3 281.9 282.5 277.2 291.1 3.24 6 850 1316 -3.5 -5.2 88 1.7 -4.1 120 3 282.5 283.0 277.2 291.1 3.05 7 769 2101 -8.3 -10.1 87 1.8 -8.9 115 7 285.5 285.9 277.7 292.2 2.30 8 710 2716 -12.7 -14.0 90 1.3 -13.0 111 10 287.3 287.6 278.0 292.7 1.82 9 700 2824 -12.1 -13.1 92 1.0 -12.4 110 11 289.1 289.4 279.1 295.0 1.99 10 632 3598 -16.3 -18.2 85 1.9 -16.8 96 10 292.9 293.1 280.1 297.3 1.44 11 583 4201 -19.7 -21.6 85 1.9 -20.1 86 10 295.7 296.0 281.1 299.4 1.17 12 500 5320 -28.5 -31.3 77 2.8 -28.9 65 9 298.3 298.4 281.4 300.1 0.56 13 400 6880 -41.1 -43.9 74 2.8 -41.3 95 11 301.6 301.6 282.3 302.3 0.19 14 379 7243 -44.3 -47.3 72 3.0 -44.5 87 11 302.0 302.1 282.4 302.5 0.14 15 345 7869 -46.9 -50.9 64 4.0 -47.0 72 10 306.7 306.8 284.2 307.1 0.10 16 300 8780 -53.7 -57.5 63 3.8 -53.8 50 9 309.7 309.7 285.2 309.9 0.05 17 287 9064 -55.1 -59.3 59 4.2 -55.2 40 7 311.6 311.6 285.9 311.8 0.04 18 250 9950 -52.7 -59.7 42 7.0 -52.9 135 3 327.7 327.7 291.1 327.9 0.05 19 220 10782 -48.7 -56.7 39 8.0 -49.0 155 5 346.1 346.1 295.8 346.4 0.08 20 214 10964 -47.9 -56.9 35 9.0 -48.3 159 6 350.1 350.1 296.7 350.4 0.08 21 200 11410 -47.9 -56.9 35 9.0 -48.3 170 7 356.9 356.9 298.2 357.3 0.09 22 159 12932 -45.7 -66.7 8 21.0 -46.6 154 5 384.8 384.9 303.1 385.0 0.03 23 150 13320 -45.7 -71.7 4 26.0 -46.7 150 5 391.3 391.3 304.0 391.4 0.02 24 141 13733 -45.9 -79.9 1 34.0 -46.9 155 7 397.9 398.0 304.9 398.0 0.00 25 101 15944 -48.3 -81.3 1 33.0 -49.4 179 17 433.2 433.2 309.1 433.2 0.01 26 100 16010 -48.3 -81.3 1 33.0 -49.4 180 17 434.4 434.4 309.3 434.4 0.01 27 79 17552 -50.5 -82.5 1 32.0 -51.6 134 12 460.2 460.2 311.8 460.2 0.01 28 70 18340 -50.5 -82.5 1 32.0 -51.7 110 9 476.3 476.4 313.1 476.4 0.01 29 50 20540 -50.3 -82.3 1 32.0 -52.0 165 9 524.9 524.9 316.6 525.0 0.01 30 47 20946 -48.7 -80.7 1 32.0 -50.7 163 8 538.1 538.1 317.4 538.2 0.01 31 33 23259 -51.9 -82.9 1 31.0 -53.9 153 4 586.9 586.9 320.0 587.0 0.01 32 30 23880 -50.1 -81.1 1 31.0 -52.7 150 3 608.1 608.1 321.0 608.2 0.02 33 20 26530 -48.7 -81.7 1 33.0 -52.5 180 1 687.1 687.1 324.0 687.3 0.03 34 13 29341 -53.1 -82.1 2 29.0 -56.7 112 8 762.0 762.0 326.3 762.3 0.04 35 10 31050 -49.3 -78.3 2 29.0 -55.0 70 13 835.5 835.6 328.1 836.4 0.09 36 5.7 34805 -40.9 -73.9 2 33.0 -53.2 1018.1 1018.3 331.5 1021.9 0.30 TRP 287 9064 -55.1 -59.3 59 4.2 -55.2 40 7 311.6 311.6 285.9 311.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5286.03 m Freezing level: 940.20 mb = 524.89 m = 1722.07 ft Wetbulb zero: 950.88 mb = 434.37 m = 1425.09 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 86.84 % Est. max temperature: 9.38 C = 48.89 F Sfc-Lift cond lev (LCL): 996.25 mb = 63.91 m = 209.69 ft T: 3.08 C 700-500 lapse rate: 6.57 C/km ThetaE index: 0.78 C Layer 965.0- 896.0 mb Conv cond level (CCL): 901.98 mb = 850.61 m = 2790.67 ft Mean mixing ratio: 3.91 g/kg Conv temperature: 7.11 C = 44.79 F Cap Strength: 7.82 C Lifted Index: 8.63 C Risk: None Lifted Index @300 mb: 14.83 C Lifted Index @700 mb: 4.35 C Showalter Index: 6.87 C Risk: None Total Totals Index: 48.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.00 C Cross Totals Index: 23.30 C K Index: 18.80 Risk: < 20 % chance of thunderstorms Sweat Index: 15.00 Risk: None Energy Index: 1.85 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.99 J/kg Max Up Vert Vel: 5.10 m/s Conv Inhibition (B-): 71585.17 J/kg Cap Strength: 8.63 C Lift Cond Lev (LCL): 932.03 mb = 592.31 m = 1943.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 126 at 6 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 1001 26 190 3 0.5 3.0 | 275 5 5.2 -0.5 1 850 1316 120 3 -2.6 1.5 | 313 3 2.1 -1.9 2 700 2824 110 11 -10.3 3.8 | 93 6 -5.7 0.3 3 500 5320 65 9 -8.2 -3.8 | 26 8 -3.5 -7.2 4 400 6880 95 11 -11.0 1.0 | 68 7 -6.3 -2.5 5 300 8780 50 9 -6.9 -5.8 | 13 9 -2.2 -9.2 6 287 9064 40 7 -4.5 -5.4 | 359 9 0.2 -8.8 7 250 9950 135 3 -2.1 2.1 | 297 3 2.6 -1.3 8 200 11410 170 7 -1.2 6.9 | 225 5 3.5 3.5 9 150 13320 150 5 -2.5 4.3 | 248 2 2.2 0.9 10 100 16010 180 17 0.0 17.0 | 199 14 4.7 13.6 11 70 18340 110 9 -8.5 3.1 | 85 4 -3.8 -0.4 12 50 20540 165 9 -2.3 8.7 | 204 6 2.4 5.3 13 30 23880 150 3 -1.5 2.6 | 285 3 3.2 -0.8 14 20 26530 180 1 0.0 1.0 | 298 5 4.7 -2.4 15 10 31050 70 13 -12.2 -4.4 | 44 11 -7.5 -7.9 Wind Parameters Mean winds (0-6000m): 96.3 at 7.7 knts Storm direction: 126.3 at 5.8 knts Shear (0-3000m) pos: 0.0 neg: 1.9 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 170.8 deg Storm rel helicity (0-3000m) pos: 3.5 neg: -1.1 tot: 2.4 m^2/s^2 ave: 0.8 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 2.1 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.46 Bulk Shear: 8.89 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 3 275 5| 0.0 1.4 1.4| 0.3 -0.0 0.3 0.5 0.17| 1.5 0.2 1000 165 3 278 4| 0.0 1.4 1.4| 1.1 -0.0 1.1 1.1 0.44| 1.5 0.6 1500 149 3 285 3| 0.0 1.5 1.5| 2.0 -0.0 2.0 1.3 0.53| 1.6 0.9 2000 135 4 292 2| 0.0 1.7 1.7| 2.7 -0.0 2.7 1.3 0.63| 1.9 1.2 2500 126 5 308 1| 0.0 1.9 1.9| 3.3 -0.0 3.3 1.3 0.55| 2.1 1.1 3000 120 6 9 1| 0.0 1.9 1.9| 3.5 -1.1 2.4 0.8 0.40| 2.1 0.9 4000 111 7 58 2| 0.0 1.4 1.4| 3.5 -6.3 -2.9 -0.7 0.11| 2.0 0.2 5000 103 7 55 3| 0.0 1.1 1.1| 3.5 -11.8 -8.3 -1.7 -0.06| 2.0 -0.1 6000 96 8 49 4| 0.1 1.0 1.1| 8.2 -13.4 -5.3 -0.9 0.02| 1.9 0.0 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250425.23.gif