UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 21 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 1017 26 7.2 -7.8 33 15.0 1.7 60 15 279.0 279.4 274.0 284.9 2.09 1 981 316 5.6 -12.4 26 18.0 -0.3 63 15 280.3 280.5 273.8 284.6 1.50 2 911 906 0.4 -13.6 34 14.0 -3.9 69 14 280.9 281.2 274.1 285.2 1.47 3 850 1448 -4.5 -14.5 46 10.0 -7.4 75 13 281.4 281.7 274.4 285.7 1.46 4 782 2097 -10.3 -15.3 67 5.0 -11.6 73 13 282.0 282.3 274.8 286.4 1.49 5 700 2939 -17.1 -18.3 90 1.2 -17.4 70 13 283.5 283.8 275.3 287.4 1.29 6 680 3156 -18.9 -19.6 94 0.7 -19.0 72 14 283.9 284.1 275.3 287.4 1.19 7 660 3378 -19.5 -20.2 94 0.7 -19.7 74 15 285.7 285.9 276.2 289.2 1.16 8 650 3491 -19.9 -21.5 87 1.6 -20.2 76 16 286.5 286.6 276.5 289.7 1.05 9 641 3595 -18.9 -21.7 79 2.8 -19.5 77 17 288.7 288.9 277.6 292.0 1.05 10 614 3915 -18.7 -24.7 59 6.0 -19.8 80 18 292.5 292.7 279.1 295.2 0.84 11 591 4199 -21.3 -26.3 64 5.0 -22.2 83 20 292.7 292.9 279.1 295.1 0.76 12 511 5255 -29.3 -31.6 80 2.3 -29.6 93 26 295.5 295.6 280.1 297.2 0.53 13 500 5410 -29.7 -32.0 80 2.3 -30.0 95 27 296.8 296.9 280.7 298.5 0.52 14 450 6158 -31.7 -34.8 74 3.1 -32.0 112 22 303.4 303.5 283.4 304.9 0.44 15 400 6980 -38.1 -41.5 70 3.4 -38.4 130 17 305.5 305.5 284.0 306.4 0.25 16 300 8880 -54.9 -58.4 65 3.5 -54.9 130 38 308.0 308.0 284.6 308.1 0.05 17 295 8988 -55.3 -58.6 67 3.3 -55.4 130 35 308.9 308.9 284.9 309.1 0.05 18 278 9371 -52.7 -61.7 33 9.0 -52.9 144 31 317.9 317.9 288.1 318.1 0.03 19 250 10060 -52.5 -64.5 22 12.0 -52.7 170 23 328.0 328.0 291.2 328.1 0.03 20 234 10486 -51.1 -73.1 6 22.0 -51.5 174 19 336.4 336.4 293.4 336.4 0.01 21 228 10654 -51.1 -78.1 3 27.0 -51.5 176 17 338.9 338.9 294.0 338.9 0.00 22 223 10797 -51.3 -77.3 3 26.0 -51.7 178 16 340.8 340.8 294.5 340.8 0.00 23 200 11500 -51.7 -82.7 1 31.0 -52.1 185 9 350.9 350.9 296.8 350.9 0.00 24 150 13390 -48.9 -81.9 1 33.0 -49.6 190 11 385.8 385.8 303.2 385.8 0.00 25 109 15482 -49.5 -82.5 1 33.0 -50.4 147 5 421.6 421.6 307.9 421.6 0.00 26 101 15984 -46.9 -80.9 1 34.0 -48.1 136 3 435.9 435.9 309.4 435.9 0.01 27 100 16050 -47.1 -81.1 1 34.0 -48.4 135 3 436.7 436.7 309.6 436.7 0.01 28 70 18390 -50.3 -82.3 1 32.0 -51.5 80 7 476.8 476.8 313.2 476.8 0.01 29 57 19727 -51.7 -83.7 1 32.0 -53.0 120 7 502.5 502.5 315.1 502.5 0.01 30 50 20580 -49.9 -82.9 1 33.0 -51.6 145 7 525.9 525.9 316.6 525.9 0.01 31 30 23900 -50.9 -82.9 1 32.0 -53.2 110 17 605.9 605.9 320.9 606.0 0.01 32 25 25089 -50.1 -83.1 1 33.0 -53.0 119 13 640.6 640.6 322.3 640.7 0.02 33 20 26540 -52.3 -84.3 1 32.0 -55.1 130 9 676.1 676.1 323.6 676.2 0.02 34 18 27225 -52.5 -84.5 1 32.0 -55.5 119 10 696.1 696.1 324.3 696.3 0.02 35 10 31090 -46.3 -80.3 1 34.0 -53.4 60 17 846.7 846.8 328.3 847.3 0.06 36 5.3 35344 -42.5 -77.5 1 35.0 -54.3 1032.3 1032.4 331.7 1034.6 0.19 TRP 295 8988 -55.3 -58.6 67 3.3 -55.4 130 35 308.9 308.9 284.9 309.1 0.05 WND Sounding variables and indices 1000-500 mb thick: 5248.21 m Freezing level: 906.02 mb = 950.04 m = 3116.91 ft Wetbulb zero: 987.00 mb = 267.23 m = 876.72 ft Precipitable water: 0.28 inches Sfc-500 mean rel hum: 63.41 % Est. max temperature: 9.51 C = 49.12 F Sfc-Lift cond lev (LCL): 806.83 mb = 1853.78 m = 6081.89 ft T: -8.13 C 700-500 lapse rate: 5.10 C/km ThetaE index: 0.29 C Layer 981.0- 911.0 mb Conv cond level (CCL): 718.42 mb = 2741.61 m = 8994.69 ft Mean mixing ratio: 1.59 g/kg Conv temperature: 11.42 C = 52.56 F Cap Strength: 9.47 C Lifted Index: 10.42 C Risk: None Lifted Index @300 mb: 16.39 C Lifted Index @700 mb: 2.04 C Showalter Index: 9.77 C Risk: None Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 25.20 C Cross Totals Index: 15.20 C K Index: 9.50 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.28 J/kg Max Up Vert Vel: 3.54 m/s Conv Inhibition (B-): 76191.32 J/kg Cap Strength: 10.37 C Lift Cond Lev (LCL): 750.44 mb = 2410.21 m = 7907.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 113 at 13 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 1017 26 60 15 -13.0 -7.5 | 4 13 -0.9 -12.6 1 850 1448 75 13 -12.6 -3.4 | 3 8 -0.5 -8.4 2 700 2939 70 13 -12.2 -4.4 | 1 10 -0.2 -9.5 3 500 5410 95 27 -26.9 2.4 | 80 15 -14.8 -2.7 4 400 6980 130 17 -13.0 10.9 | 171 6 -1.0 5.9 5 300 8880 130 38 -29.1 24.4 | 139 26 -17.0 19.4 6 295 8988 130 35 -26.8 22.5 | 140 23 -14.7 17.4 7 250 10060 170 23 -4.0 22.7 | 205 19 8.1 17.6 8 200 11500 185 9 0.8 9.0 | 253 13 12.8 3.9 9 150 13390 190 11 1.9 10.8 | 248 15 14.0 5.8 10 100 16050 135 3 -2.1 2.1 | 286 10 9.9 -2.9 11 70 18390 80 7 -6.9 -1.2 | 321 8 5.2 -6.3 12 50 20580 145 7 -4.0 5.7 | 265 8 8.0 0.7 13 30 23900 110 17 -16.0 5.8 | 101 4 -3.9 0.8 14 20 26540 130 9 -6.9 5.8 | 262 5 5.2 0.7 15 10 31090 60 17 -14.7 -8.5 | 11 14 -2.7 -13.6 Wind Parameters Mean winds (0-6000m): 82.8 at 17.4 knts Storm direction: 112.8 at 13.1 knts Shear (0-3000m) pos: 0.7 neg: 0.2 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): -0.1 deg Storm rel helicity (0-3000m) pos: 1.7 neg: -1.5 tot: 0.3 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 1.0 stream: 0.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.11 Bulk Shear: 5.65 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 61 15 4 12| 1.6 0.0 1.6| 0.4 0.0 0.4 0.7 0.08| 1.6 0.1 1000 64 14 4 11| 1.5 0.0 1.5| 0.4 -0.1 0.2 0.2 0.02| 1.5 0.0 1500 67 14 4 10| 1.4 0.0 1.4| 0.4 -0.6 -0.2 -0.1 -0.03| 1.4 -0.0 2000 69 14 4 10| 1.1 0.1 1.2| 0.4 -0.9 -0.5 -0.3 -0.06| 1.2 -0.1 2500 70 14 4 10| 0.8 0.2 1.0| 0.4 -1.2 -0.8 -0.3 -0.08| 1.0 -0.1 3000 70 13 3 10| 0.7 0.2 0.9| 1.7 -1.5 0.3 0.1 0.01| 1.0 0.0 4000 72 14 8 10| 1.0 0.1 1.2| 18.0 -1.5 16.6 4.1 0.52| 1.6 0.8 5000 77 16 21 9| 1.5 0.1 1.6| 37.5 -1.5 36.1 7.2 0.66| 2.0 1.3 6000 83 17 36 9| 1.6 0.1 1.6| 63.3 -1.5 61.8 10.3 0.69| 2.5 1.7 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250421.23.gif