UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041811.upa.cvt Date: 1100Z 18 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 18 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 1015 26 5.4 -7.6 39 13.0 0.7 140 27 277.4 277.7 273.1 283.4 2.12 1 996 177 5.2 -11.8 28 17.0 -0.4 134 27 278.7 278.9 273.0 283.1 1.55 2 978 323 3.6 -11.4 32 15.0 -1.3 128 27 278.5 278.8 273.0 283.2 1.63 3 908 908 -2.3 -13.3 43 11.0 -5.5 105 26 278.4 278.7 272.8 282.8 1.51 4 884 1116 -4.3 -13.3 49 9.0 -6.9 97 25 278.5 278.8 272.9 283.0 1.55 5 850 1419 -5.5 -14.5 49 9.0 -8.0 85 25 280.4 280.6 273.8 284.6 1.46 6 821 1691 -6.7 -13.7 57 7.0 -8.7 95 24 281.9 282.2 274.9 286.6 1.61 7 779 2097 -10.5 -14.0 75 3.5 -11.5 110 21 282.1 282.4 275.0 286.9 1.66 8 769 2197 -9.7 -11.6 86 1.9 -10.3 113 21 284.0 284.4 276.6 290.0 2.04 9 758 2308 -9.1 -12.1 79 3.0 -10.0 117 20 285.8 286.2 277.5 291.7 1.99 10 710 2811 -12.5 -16.2 74 3.7 -13.5 136 18 287.5 287.7 277.7 292.0 1.52 11 700 2919 -13.7 -16.6 79 2.9 -14.5 140 17 287.3 287.6 277.6 291.8 1.49 12 652 3455 -17.5 -18.4 93 0.9 -17.7 140 20 288.9 289.2 278.2 293.1 1.37 13 640 3593 -18.1 -19.4 90 1.3 -18.4 140 20 289.8 290.0 278.4 293.7 1.28 14 633 3675 -18.7 -19.6 93 0.9 -18.9 140 21 290.0 290.2 278.6 293.9 1.28 15 606 4000 -19.3 -21.9 80 2.6 -19.8 140 22 292.9 293.1 279.7 296.3 1.09 16 590 4198 -20.7 -23.6 78 2.9 -21.2 140 23 293.6 293.7 279.8 296.6 0.97 17 517 5161 -27.7 -31.3 71 3.6 -28.2 140 28 296.4 296.5 280.6 298.2 0.54 18 500 5400 -29.5 -32.8 73 3.3 -29.9 140 29 297.1 297.2 280.7 298.7 0.48 19 483 5647 -31.7 -33.3 86 1.6 -31.9 142 30 297.3 297.4 280.8 298.9 0.48 20 468 5871 -33.5 -36.0 78 2.5 -33.7 143 30 297.8 297.8 280.9 299.0 0.38 21 452 6115 -35.7 -43.7 44 8.0 -36.2 145 31 298.0 298.0 280.7 298.6 0.18 22 400 6960 -40.7 -49.7 37 9.0 -41.1 150 33 302.1 302.1 282.4 302.5 0.10 23 349 7873 -46.5 -59.5 21 13.0 -46.8 152 31 306.3 306.3 284.0 306.4 0.04 24 319 8465 -48.3 -69.3 7 21.0 -48.7 154 30 311.8 311.8 285.9 311.8 0.01 25 310 8654 -46.5 -71.5 4 25.0 -47.0 154 29 316.8 316.8 287.7 316.9 0.01 26 300 8870 -47.9 -75.9 3 28.0 -48.3 155 29 317.8 317.8 288.1 317.9 0.00 27 284 9230 -50.5 -75.5 4 25.0 -50.8 175 31 319.1 319.1 288.5 319.2 0.00 28 250 10070 -47.3 -80.3 1 33.0 -47.9 180 31 335.7 335.7 293.3 335.8 0.00 29 224 10794 -46.7 -80.7 1 34.0 -47.3 182 30 347.4 347.4 296.1 347.4 0.00 30 200 11540 -48.7 -81.7 1 33.0 -49.3 185 29 355.7 355.7 297.8 355.7 0.00 31 179 12270 -49.5 -82.5 1 33.0 -50.1 177 28 365.8 365.8 299.8 365.8 0.00 32 173 12496 -45.1 -79.1 1 34.0 -46.0 175 28 376.7 376.7 301.7 376.7 0.00 33 150 13450 -45.3 -79.3 1 34.0 -46.3 165 27 392.0 392.0 304.1 392.0 0.00 34 138 14004 -47.3 -80.3 1 33.0 -48.2 165 26 397.9 397.9 304.9 398.0 0.00 35 119 14988 -45.9 -79.9 1 34.0 -47.1 165 24 417.7 417.7 307.4 417.8 0.01 36 106 15750 -50.7 -82.7 1 32.0 -51.5 165 22 422.7 422.7 308.0 422.7 0.00 37 101 16065 -50.7 -82.7 1 32.0 -51.5 165 21 428.5 428.5 308.7 428.6 0.00 38 100 16130 -49.5 -82.5 1 33.0 -50.5 165 21 432.1 432.1 309.0 432.1 0.00 39 79 17670 -47.7 -80.7 1 33.0 -49.1 172 18 465.9 465.9 312.3 466.0 0.01 40 70 18460 -50.1 -83.1 1 33.0 -51.4 175 17 477.2 477.2 313.2 477.2 0.01 41 66 18845 -51.3 -83.3 1 32.0 -52.5 169 16 482.7 482.7 313.7 482.7 0.01 42 50 20660 -49.7 -82.7 1 33.0 -51.5 140 11 526.4 526.4 316.7 526.4 0.01 43 33 23377 -48.7 -81.7 1 33.0 -51.4 124 13 595.4 595.4 320.4 595.5 0.02 44 30 24000 -50.3 -82.3 1 32.0 -52.8 120 13 607.5 607.5 320.9 607.6 0.02 45 24 25447 -52.7 -84.7 1 32.0 -55.1 95 10 640.6 640.6 322.3 640.7 0.01 46 20 26630 -50.3 -82.3 1 32.0 -53.7 75 7 682.2 682.2 323.9 682.4 0.02 47 10 31190 -45.1 -79.1 1 34.0 -52.7 80 17 851.2 851.2 328.4 852.0 0.08 48 7.4 33221 -40.7 -76.7 1 36.0 -52.0 945.6 945.7 330.3 947.4 0.15 TRP 284 9230 -50.5 -75.5 4 25.0 -50.8 175 31 319.1 319.1 288.5 319.2 0.00 WND Sounding variables and indices 1000-500 mb thick: 5254.83 m Freezing level: 935.29 mb = 679.78 m = 2230.23 ft Wetbulb zero: 1002.66 mb = 123.89 m = 406.46 ft Precipitable water: 0.30 inches Sfc-500 mean rel hum: 67.30 % Est. max temperature: 7.59 C = 45.65 F Sfc-Lift cond lev (LCL): 829.91 mb = 1606.08 m = 5269.22 ft T: -6.33 C 700-500 lapse rate: 6.37 C/km ThetaE index: 0.43 C Layer 908.0- 884.0 mb Conv cond level (CCL): 669.25 mb = 3257.67 m = 10687.78 ft Mean mixing ratio: 1.63 g/kg Conv temperature: 16.41 C = 61.55 F Cap Strength: 11.68 C Lifted Index: 12.02 C Risk: None Lifted Index @300 mb: 24.65 C Lifted Index @700 mb: 6.67 C Showalter Index: 10.79 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 15.00 C K Index: 6.60 Risk: None Sweat Index: 79.00 Risk: None Energy Index: 2.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.13 J/kg Max Up Vert Vel: 2.07 m/s Conv Inhibition (B-): 69452.25 J/kg Cap Strength: 11.93 C Lift Cond Lev (LCL): 774.60 mb = 2141.07 m = 7024.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 158 at 18 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 1015 26 140 27 -17.4 20.7 | 111 11 -10.5 4.1 1 850 1419 85 25 -24.9 -2.2 | 44 26 -18.1 -18.8 2 700 2919 140 17 -10.9 13.0 | 49 5 -4.1 -3.6 3 500 5400 140 29 -18.6 22.2 | 116 13 -11.8 5.6 4 400 6960 150 33 -16.5 28.6 | 141 15 -9.7 12.0 5 300 8870 155 29 -12.3 26.3 | 151 11 -5.4 9.7 6 284 9230 175 31 -2.7 30.9 | 196 15 4.1 14.3 7 250 10070 180 31 0.0 31.0 | 205 16 6.8 14.4 8 200 11540 185 29 2.5 28.9 | 217 15 9.3 12.3 9 150 13450 165 27 -7.0 26.1 | 179 10 -0.2 9.5 10 100 16130 165 21 -5.4 20.3 | 201 4 1.4 3.7 11 70 18460 175 17 -1.5 16.9 | 266 5 5.3 0.4 12 50 20660 140 11 -7.1 8.4 | 2 8 -0.2 -8.1 13 30 24000 120 13 -11.3 6.5 | 24 11 -4.4 -10.1 14 20 26630 75 7 -6.8 -1.8 | 360 18 0.1 -18.4 15 10 31190 80 17 -16.7 -3.0 | 27 22 -9.9 -19.5 Wind Parameters Mean winds (0-6000m): 127.6 at 23.9 knts Storm direction: 157.6 at 17.9 knts Shear (0-3000m) pos: 3.3 neg: 3.8 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): -56.7 deg Storm rel helicity (0-3000m) pos: 26.8 neg: -98.7 tot: -72.0 m^2/s^2 ave: -24.0 10^-3 m/s^2 rel: -0.34 Storm rel vorticity (0-3000m) horiz: 8.1 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 2.86 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 ------------------------------------------------------------------------------- 500 136 27 103 12| 0.0 9.4 9.4| 0.0 -27.8 -27.8 -55.6 -0.84| 9.5 -8.0 1000 123 26 82 15| 0.0 9.2 9.2| 0.0 -62.8 -62.8 -62.8 -0.81| 9.3 -7.6 1500 112 26 68 19| 0.0 7.6 7.6| 5.4 -96.8 -91.4 -60.9 -0.73| 9.1 -6.6 2000 108 25 63 19| 2.0 5.7 7.7| 22.2 -96.8 -74.7 -37.3 -0.47| 8.9 -4.2 2500 109 24 62 18| 3.0 4.6 7.6| 26.1 -96.8 -70.8 -28.3 -0.37| 8.5 -3.2 3000 111 23 61 17| 3.3 3.8 7.1| 26.8 -98.7 -72.0 -24.0 -0.34| 8.1 -2.7 4000 118 22 65 14| 2.5 2.6 5.1| 33.7 -98.7 -65.0 -16.3 -0.22| 6.7 -1.5 5000 124 23 72 13| 2.0 2.0 3.9| 40.6 -98.7 -58.1 -11.6 -0.16| 5.8 -0.9 6000 128 24 81 12| 1.9 1.6 3.5| 52.2 -98.7 -46.5 -7.8 -0.09| 5.2 -0.5 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250418.11.gif