UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042511.upa.cvt Date: 1100Z 25 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 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 1003 26 4.2 0.5 77 3.7 2.6 200 7 277.1 277.8 275.6 287.9 3.95 1 990 131 5.6 -0.4 65 6.0 3.0 189 7 279.6 280.2 276.6 290.0 3.75 2 967 319 4.0 -1.0 70 5.0 1.9 168 6 279.8 280.4 276.7 290.0 3.67 3 898 907 0.8 -5.2 64 6.0 -1.5 103 4 282.5 283.0 277.0 290.7 2.89 4 850 1339 -2.9 -4.8 87 1.9 -3.6 55 3 283.1 283.6 277.7 292.0 3.14 5 844 1395 -3.3 -4.6 91 1.3 -3.8 58 3 283.3 283.8 277.9 292.4 3.22 6 772 2096 -7.3 -8.0 95 0.7 -7.5 97 9 286.3 286.7 278.7 294.1 2.71 7 700 2855 -10.3 -10.3 100 0.0 -10.3 140 15 291.1 291.5 280.7 298.5 2.49 8 635 3600 -14.1 -14.3 98 0.2 -14.2 127 12 295.0 295.3 281.8 301.0 1.99 9 586 4205 -18.3 -19.8 88 1.5 -18.7 116 10 296.9 297.2 281.8 301.2 1.36 10 500 5370 -27.1 -30.7 71 3.6 -27.6 95 5 300.0 300.1 282.1 302.0 0.59 11 480 5663 -29.3 -34.3 62 5.0 -29.9 91 6 300.8 300.9 282.3 302.3 0.44 12 400 6940 -39.5 -43.3 67 3.8 -39.8 75 9 303.7 303.7 283.1 304.4 0.21 13 369 7484 -43.9 -48.9 58 5.0 -44.1 90 14 304.9 304.9 283.5 305.3 0.12 14 336 8108 -45.9 -50.9 57 5.0 -46.1 108 20 310.4 310.5 285.6 310.8 0.11 15 300 8850 -51.5 -57.5 49 6.0 -51.7 130 27 312.8 312.8 286.4 313.0 0.05 16 284 9205 -53.3 -58.2 55 4.9 -53.4 136 26 315.1 315.1 287.2 315.3 0.05 17 264 9673 -56.1 -64.1 36 8.0 -56.2 145 25 317.7 317.7 288.0 317.8 0.03 18 250 10020 -55.3 -67.3 21 12.0 -55.5 120 21 323.9 323.9 289.9 323.9 0.02 19 235 10418 -52.1 -67.1 15 15.0 -52.4 128 18 334.5 334.5 292.9 334.6 0.02 20 222 10787 -50.9 -64.9 17 14.0 -51.2 136 15 341.8 341.8 294.8 341.9 0.03 21 200 11470 -48.3 -60.3 24 12.0 -48.7 150 9 356.3 356.3 298.0 356.5 0.06 22 195 11636 -47.7 -60.7 21 13.0 -48.2 150 9 359.8 359.8 298.7 360.1 0.06 23 150 13370 -46.3 -67.3 7 21.0 -47.2 150 7 390.3 390.3 303.9 390.4 0.03 24 140 13828 -45.9 -71.9 4 26.0 -46.9 156 8 398.8 398.8 305.0 398.8 0.02 25 128 14421 -47.3 -80.3 1 33.0 -48.3 164 10 406.6 406.6 306.1 406.6 0.00 26 112 15298 -49.5 -82.5 1 33.0 -50.4 175 13 418.3 418.3 307.5 418.3 0.00 27 101 15975 -49.1 -82.1 1 33.0 -50.1 184 15 431.6 431.6 309.0 431.7 0.00 28 100 16040 -49.3 -82.3 1 33.0 -50.3 185 15 432.5 432.5 309.1 432.5 0.00 29 70 18380 -50.5 -82.5 1 32.0 -51.7 140 11 476.3 476.4 313.1 476.4 0.01 30 50 20580 -49.7 -82.7 1 33.0 -51.5 185 13 526.4 526.4 316.7 526.4 0.01 31 32 23498 -49.3 -82.3 1 33.0 -51.9 150 8 599.1 599.1 320.6 599.2 0.01 32 30 23920 -49.7 -82.7 1 33.0 -52.4 145 7 609.1 609.2 321.0 609.2 0.01 33 24 25371 -51.9 -83.9 1 32.0 -54.5 156 5 642.9 642.9 322.4 643.0 0.01 34 20 26560 -48.5 -81.5 1 33.0 -52.4 165 3 687.7 687.7 324.0 687.9 0.03 35 10 31130 -48.5 -81.5 1 33.0 -54.6 65 9 838.5 838.5 328.1 839.0 0.05 36 7.0 33510 -42.1 -77.1 1 35.0 -52.8 955.0 955.1 330.5 956.7 0.15 TRP 264 9673 -56.1 -64.1 36 8.0 -56.2 145 25 317.7 317.7 288.0 317.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5319.99 m Freezing level: 887.62 mb = 1000.74 m = 3283.24 ft Wetbulb zero: 928.80 mb = 639.38 m = 2097.69 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 85.96 % Est. max temperature: 10.16 C = 50.29 F Sfc-Lift cond lev (LCL): 947.28 mb = 482.69 m = 1583.60 ft T: 3.11 C 700-500 lapse rate: 6.68 C/km ThetaE index: 0.00 C Layer 1003.0--1821066112.0 mb Conv cond level (CCL): 835.00 mb = 1479.37 m = 4853.52 ft Mean mixing ratio: 3.46 g/kg Conv temperature: 10.72 C = 51.30 F Cap Strength: 7.93 C Lifted Index: 9.03 C Risk: None Lifted Index @300 mb: 16.10 C Lifted Index @700 mb: 5.24 C Showalter Index: 7.57 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.20 C Cross Totals Index: 22.30 C K Index: 19.40 Risk: < 20 % chance of thunderstorms Sweat Index: 11.00 Risk: None Energy Index: 2.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.51 J/kg Max Up Vert Vel: 5.00 m/s Conv Inhibition (B-): 63945.14 J/kg Cap Strength: 8.94 C Lift Cond Lev (LCL): 876.03 mb = 1102.06 m = 3615.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 159 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 1003 26 200 7 2.4 6.6 | 260 5 4.6 0.8 1 850 1339 55 3 -2.5 -1.7 | 2 7 -0.2 -7.5 2 700 2855 140 15 -9.6 11.5 | 128 9 -7.4 5.7 3 500 5370 95 5 -5.0 0.4 | 27 6 -2.8 -5.3 4 400 6940 75 9 -8.7 -2.3 | 39 10 -6.5 -8.1 5 300 8850 130 27 -20.7 17.4 | 122 22 -18.5 11.6 6 264 9673 145 25 -14.3 20.5 | 141 19 -12.1 14.7 7 250 10020 120 21 -18.2 10.5 | 107 17 -16.0 4.7 8 200 11470 150 9 -4.5 7.8 | 132 3 -2.3 2.0 9 150 13370 150 7 -3.5 6.1 | 103 1 -1.3 0.3 10 100 16040 185 15 1.3 14.9 | 201 10 3.5 9.2 11 70 18380 140 11 -7.1 8.4 | 119 6 -4.9 2.7 12 50 20580 185 13 1.1 13.0 | 205 8 3.3 7.2 13 30 23920 145 7 -4.0 5.7 | 89 2 -1.8 -0.0 14 20 26560 165 3 -0.8 2.9 | 333 3 1.4 -2.9 15 10 31130 65 9 -8.2 -3.8 | 32 11 -5.9 -9.6 Wind Parameters Mean winds (0-6000m): 129.0 at 8.2 knts Storm direction: 159.0 at 6.2 knts Shear (0-3000m) pos: 2.3 neg: 1.8 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): -138.1 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -6.6 tot: 32.1 m^2/s^2 ave: 10.7 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.75 Bulk Shear: 16.61 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 ------------------------------------------------------------------------------- 500 229 6 283 7| 0.0 6.1 6.1| 0.2 -0.4 -0.2 -0.4 0.22| 6.7 1.5 1000 196 6 277 4| 0.0 4.7 4.7| 0.2 -2.3 -2.0 -2.0 -0.00| 5.8 -0.0 1500 168 5 310 2| 0.0 3.6 3.6| 3.3 -5.3 -2.0 -1.4 -0.02| 5.2 -0.1 2000 127 5 37 3| 1.3 2.7 4.0| 14.1 -5.3 8.7 4.4 0.24| 5.2 1.2 2500 128 6 55 3| 2.2 2.2 4.4| 28.0 -5.3 22.7 9.1 0.42| 5.5 2.3 3000 139 8 88 3| 2.3 1.8 4.2| 38.7 -6.6 32.1 10.7 0.48| 5.5 2.6 4000 135 9 96 4| 1.7 1.9 3.7| 38.7 -17.2 21.5 5.4 0.27| 4.8 1.3 5000 133 9 92 4| 1.4 1.8 3.2| 38.7 -25.1 13.6 2.7 0.13| 4.3 0.6 6000 129 8 82 4| 1.2 1.7 2.8| 40.3 -27.3 12.9 2.2 0.11| 3.9 0.4 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250425.11.gif