UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120311.upa.cvt Date: 1100Z 3 DEC 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 3 DEC 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 988 26 5.0 -8.0 38 13.0 0.3 75 5 279.1 279.5 274.0 285.1 2.11 1 983 67 6.0 -9.0 33 15.0 0.6 76 5 280.5 280.9 274.6 286.2 1.96 2 952 322 3.6 -9.4 38 13.0 -0.9 79 6 280.7 281.0 274.8 286.3 1.97 3 884 906 -1.3 -10.3 50 9.0 -4.3 86 8 281.6 281.9 275.2 287.3 1.97 4 850 1211 -4.5 -10.5 63 6.0 -6.4 90 9 281.4 281.8 275.2 287.2 2.02 5 772 1959 -11.3 -12.5 91 1.2 -11.6 90 20 282.0 282.3 275.3 287.4 1.89 6 758 2099 -12.1 -13.3 91 1.2 -12.4 90 22 282.6 282.9 275.5 287.8 1.81 7 745 2231 -13.1 -13.9 94 0.8 -13.3 90 24 282.9 283.2 275.6 288.0 1.75 8 700 2704 -15.5 -17.1 88 1.6 -15.9 90 31 285.3 285.6 276.5 289.6 1.43 9 621 3599 -20.5 -22.2 86 1.7 -20.8 102 36 289.5 289.7 278.0 292.7 1.04 10 584 4052 -22.9 -25.4 80 2.5 -23.3 109 38 291.9 292.0 278.9 294.5 0.83 11 572 4204 -24.1 -26.5 80 2.4 -24.5 111 39 292.2 292.3 278.9 294.6 0.77 12 500 5170 -31.9 -34.6 77 2.7 -32.1 125 44 294.1 294.2 279.3 295.5 0.41 13 400 6700 -45.1 -48.7 67 3.6 -45.2 145 29 296.4 296.4 279.9 296.8 0.11 14 378 7075 -48.5 -52.2 65 3.7 -48.6 142 35 296.7 296.7 280.0 297.0 0.08 15 300 8560 -58.9 -62.9 60 4.0 -58.9 130 58 302.3 302.3 282.4 302.4 0.03 16 297 8623 -59.4 -63.4 59 4.0 -59.4 130 58 302.5 302.5 282.4 302.6 0.03 17 286 8858 -61.1 -65.2 58 4.1 -61.2 130 58 303.3 303.3 282.8 303.4 0.02 18 259 9478 -57.9 -62.4 56 4.5 -58.0 171 25 316.8 316.8 287.7 316.9 0.03 19 250 9700 -58.9 -63.4 56 4.5 -59.0 185 13 318.5 318.5 288.3 318.6 0.03 20 223 10417 -60.3 -64.8 55 4.5 -60.4 195 15 326.9 326.9 290.9 327.0 0.03 21 210 10793 -59.3 -63.5 58 4.2 -59.4 201 16 334.2 334.2 292.9 334.3 0.04 22 200 11100 -58.7 -63.1 57 4.4 -58.8 205 17 339.8 339.8 294.3 340.0 0.04 23 195 11258 -58.5 -62.6 59 4.1 -58.6 209 17 342.6 342.6 295.0 342.8 0.04 24 150 12900 -58.9 -71.9 17 13.0 -59.1 245 19 368.6 368.6 300.3 368.7 0.02 25 140 13333 -58.1 -77.1 7 19.0 -58.3 247 22 377.4 377.4 301.8 377.4 0.01 26 130 13799 -58.7 -83.7 3 25.0 -59.0 249 25 384.4 384.4 302.9 384.4 0.00 27 100 15450 -57.7 -82.7 3 25.0 -58.1 255 35 416.2 416.2 307.3 416.3 0.00 28 81 16781 -57.7 -81.7 3 24.0 -58.2 264 34 442.1 442.1 310.1 442.1 0.01 29 70 17700 -59.3 -83.3 3 24.0 -59.7 270 33 457.5 457.5 311.5 457.5 0.01 30 65 18162 -61.3 -85.3 3 24.0 -61.7 274 35 463.0 463.0 312.0 463.0 0.00 31 50 19790 -61.7 -85.7 3 24.0 -62.1 290 42 498.1 498.1 314.8 498.1 0.01 32 43 20728 -59.1 -84.1 3 25.0 -59.8 296 42 526.4 526.4 316.7 526.5 0.01 33 30 22970 -61.1 -86.1 2 25.0 -61.9 310 42 578.1 578.1 319.6 578.1 0.01 34 22 24890 -62.7 -89.7 1 27.0 -63.6 321 45 626.9 626.9 321.7 627.0 0.01 35 20 25480 -60.7 -87.7 2 27.0 -61.9 325 46 650.4 650.4 322.7 650.4 0.01 36 10 29830 -55.9 -86.9 1 31.0 -59.3 350 68 810.9 810.9 327.5 811.1 0.02 37 6.8 32294 -54.1 -85.1 1 31.0 -59.2 912.9 913.0 329.7 913.4 0.04 TRP 286 8858 -61.1 -65.2 58 4.1 -61.2 130 58 303.3 303.3 282.8 303.4 0.02 WND 297 8623 -59.4 -63.4 59 4.0 -59.4 130 58 302.5 302.5 282.4 302.6 0.03 Sounding variables and indices Freezing level: 902.04 mb = 751.31 m = 2464.89 ft Wetbulb zero: 970.67 mb = 167.25 m = 548.70 ft Precipitable water: 0.31 inches Sfc-500 mean rel hum: 74.69 % Est. max temperature: 7.40 C = 45.32 F Sfc-Lift cond lev (LCL): 807.66 mb = 1608.15 m = 5276.01 ft T: -8.11 C 700-500 lapse rate: 6.65 C/km ThetaE index: 0.05 C Layer 850.0- 772.0 mb Conv cond level (CCL): 755.56 mb = 2123.95 m = 6968.24 ft Mean mixing ratio: 1.97 g/kg Conv temperature: 8.51 C = 47.32 F Cap Strength: 6.23 C Lifted Index: 6.93 C Risk: None Lifted Index @300 mb: 11.22 C Lifted Index @700 mb: 2.41 C Showalter Index: 6.40 C Risk: None Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.40 C Cross Totals Index: 21.40 C K Index: 15.30 Risk: < 20 % chance of thunderstorms Sweat Index: 62.00 Risk: None Energy Index: 1.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.20 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 56679.28 J/kg Cap Strength: 6.89 C Lift Cond Lev (LCL): 775.24 mb = 1926.59 m = 6320.74 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 140 at 21 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 ---------------------------------------------------------- 0 988 26 75 5 -4.8 -1.3 | 333 19 8.6 -17.3 1 850 1211 90 9 -9.0 0.0 | 344 17 4.5 -16.0 2 700 2704 90 31 -31.0 0.0 | 48 24 -17.5 -16.0 3 500 5170 125 44 -36.0 25.2 | 112 24 -22.6 9.3 4 400 6700 145 29 -16.6 23.8 | 158 8 -3.2 7.8 5 300 8560 130 58 -44.4 37.3 | 125 38 -31.0 21.3 6 297 8623 130 58 -44.4 37.3 | 125 38 -31.0 21.3 7 286 8858 130 58 -44.4 37.3 | 125 38 -31.0 21.3 8 250 9700 185 13 1.1 13.0 | 282 15 14.6 -3.0 9 200 11100 205 17 7.2 15.4 | 272 21 20.6 -0.6 10 150 12900 245 19 17.2 8.0 | 285 32 30.7 -8.0 11 100 15450 255 35 33.8 9.1 | 278 48 47.3 -6.9 12 70 17700 270 33 33.0 -0.0 | 289 49 46.5 -16.0 13 50 19790 290 42 39.5 -14.4 | 300 61 52.9 -30.3 14 30 22970 310 42 32.2 -27.0 | 313 63 45.6 -43.0 15 20 25480 325 46 26.4 -37.7 | 323 67 39.8 -53.7 16 10 29830 350 68 11.8 -67.0 | 343 87 25.3 -82.9 Wind Parameters Mean winds (0-6000m): 109.9 at 27.9 knts Storm direction: 139.9 at 20.9 knts Shear (0-3000m) pos: 2.3 neg: 2.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 81.6 deg Storm rel helicity (0-3000m) pos: 128.4 neg: 0.0 tot: 128.4 m^2/s^2 ave: 42.8 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 69.81 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 81 6 335 19| 1.9 0.0 1.9| 7.5 0.0 7.5 15.0 0.83| 1.9 1.6 1000 84 7 338 18| 1.9 0.0 1.9| 14.2 0.0 14.2 14.2 0.80| 1.9 1.5 1500 86 8 341 17| 3.1 0.0 3.1| 36.2 0.0 36.2 24.1 0.89| 3.1 2.8 2000 88 10 349 17| 2.3 1.9 4.2| 67.3 0.0 67.3 33.7 0.92| 4.2 3.9 2500 89 13 359 16| 1.8 3.0 4.9| 98.5 0.0 98.5 39.4 0.89| 4.9 4.4 3000 90 16 9 16| 2.3 2.5 4.9|128.4 0.0 128.4 42.8 0.89| 5.0 4.5 4000 95 21 27 16| 2.7 1.9 4.6|190.3 0.0 190.3 47.6 0.92| 5.1 4.7 5000 103 25 47 15| 3.1 1.5 4.6|259.7 0.0 259.7 51.9 0.93| 5.2 4.9 6000 110 28 63 14| 2.4 1.3 3.6|302.8 0.0 302.8 50.5 0.87| 5.5 4.8 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20251203.11.gif