UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041711.upa.cvt Date: 1100Z 17 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 17 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 1021 26 6.4 -8.6 33 15.0 1.1 20 9 277.9 278.2 273.1 283.4 1.95 1 985 314 4.2 -12.8 28 17.0 -1.2 29 9 278.6 278.8 272.8 282.7 1.45 2 914 907 -0.7 -14.7 34 14.0 -4.8 47 8 279.5 279.8 273.1 283.4 1.34 3 881 1195 -2.9 -14.9 39 12.0 -6.3 56 7 280.2 280.5 273.6 284.2 1.36 4 850 1474 -3.7 -18.7 30 15.0 -7.6 65 7 282.3 282.4 274.2 285.3 1.03 5 840 1567 -3.3 -19.3 28 16.0 -7.4 69 8 283.6 283.8 274.9 286.6 0.99 6 785 2098 -8.1 -23.1 29 15.0 -11.4 94 11 284.1 284.2 274.8 286.4 0.76 7 762 2328 -10.1 -24.1 31 14.0 -13.0 104 13 284.3 284.4 274.8 286.5 0.71 8 725 2711 -10.7 -35.7 11 25.0 -14.5 122 15 287.7 287.8 275.9 288.6 0.25 9 700 2980 -12.9 -38.9 9 26.0 -16.4 135 17 288.2 288.2 276.0 288.8 0.19 10 664 3381 -15.1 -50.1 3 35.0 -18.5 137 16 290.1 290.1 276.8 290.3 0.06 11 645 3601 -13.1 -48.1 4 35.0 -17.0 139 16 294.8 294.8 279.1 295.1 0.08 12 631 3768 -12.7 -52.7 2 40.0 -16.9 140 15 297.1 297.1 280.1 297.3 0.05 13 596 4200 -16.1 -49.1 4 33.0 -19.5 142 14 298.1 298.1 280.6 298.3 0.07 14 547 4840 -21.1 -25.5 68 4.4 -22.0 146 13 299.5 299.7 282.3 302.4 0.88 15 515 5284 -22.1 -26.3 69 4.2 -22.9 149 12 303.5 303.7 284.0 306.4 0.87 16 500 5500 -23.9 -27.7 71 3.8 -24.6 150 11 303.9 304.0 284.0 306.5 0.78 17 479 5812 -26.3 -29.4 75 3.1 -26.8 156 11 304.7 304.8 284.2 307.0 0.70 18 400 7090 -35.3 -47.3 28 12.0 -36.1 180 11 309.1 309.1 285.2 309.6 0.13 19 368 7668 -38.7 -51.7 24 13.0 -39.4 203 15 312.0 312.1 286.2 312.4 0.09 20 356 7897 -38.1 -55.1 15 17.0 -38.9 212 17 315.8 315.8 287.5 316.1 0.06 21 313 8769 -46.3 -54.3 40 8.0 -46.6 248 23 316.2 316.3 287.6 316.5 0.08 22 300 9050 -48.9 -59.9 27 11.0 -49.2 260 25 316.4 316.4 287.6 316.6 0.04 23 287 9339 -51.3 -66.3 15 15.0 -51.5 258 25 317.0 317.0 287.8 317.1 0.02 24 250 10220 -59.1 -67.1 35 8.0 -59.2 250 25 318.2 318.2 288.2 318.3 0.02 25 235 10604 -62.1 -67.1 51 5.0 -62.1 250 27 319.3 319.3 288.5 319.4 0.02 26 228 10791 -59.7 -67.7 35 8.0 -59.8 248 25 325.8 325.8 290.5 325.9 0.02 27 220 11015 -55.7 -77.7 5 22.0 -55.9 246 23 335.3 335.3 293.2 335.3 0.00 28 218 11073 -56.3 -87.3 1 31.0 -56.5 245 22 335.2 335.2 293.1 335.2 0.00 29 206 11432 -55.9 -86.9 1 31.0 -56.1 242 19 341.3 341.3 294.6 341.3 0.00 30 200 11620 -53.7 -84.7 1 31.0 -54.0 240 17 347.7 347.7 296.1 347.7 0.00 31 193 11851 -51.9 -83.9 1 32.0 -52.3 242 17 354.2 354.2 297.5 354.2 0.00 32 181 12268 -51.1 -83.1 1 32.0 -51.6 245 17 362.0 362.0 299.1 362.0 0.00 33 171 12637 -53.1 -85.1 1 32.0 -53.5 248 17 364.7 364.7 299.6 364.7 0.00 34 150 13490 -49.7 -82.7 1 33.0 -50.4 255 17 384.4 384.4 302.9 384.4 0.00 35 104 15875 -49.5 -82.5 1 33.0 -50.4 278 24 427.3 427.3 308.6 427.3 0.00 36 101 16065 -50.1 -83.1 1 33.0 -51.0 279 25 429.7 429.7 308.8 429.7 0.00 37 100 16130 -50.7 -82.7 1 32.0 -51.5 280 25 429.8 429.8 308.8 429.8 0.00 38 90 16814 -52.5 -84.5 1 32.0 -53.3 277 19 439.3 439.3 309.8 439.3 0.00 39 74 18087 -49.9 -82.9 1 33.0 -51.1 272 8 470.1 470.1 312.7 470.1 0.01 40 70 18450 -50.3 -82.3 1 32.0 -51.5 270 5 476.8 476.8 313.2 476.8 0.01 41 50 20630 -52.1 -84.1 1 32.0 -53.5 160 9 520.7 520.7 316.4 520.7 0.01 42 32 23530 -49.5 -82.5 1 33.0 -52.1 147 12 598.5 598.5 320.6 598.6 0.01 43 30 23950 -51.3 -83.3 1 32.0 -53.6 145 13 604.8 604.8 320.8 604.9 0.01 44 23 25673 -52.9 -84.9 1 32.0 -55.3 122 10 647.8 647.8 322.6 647.9 0.01 45 20 26580 -51.1 -83.1 1 32.0 -54.2 110 9 679.8 679.8 323.7 679.9 0.02 46 10 31130 -47.7 -80.7 1 33.0 -54.1 140 7 841.5 841.5 328.2 842.1 0.06 47 6.4 34133 -39.1 -75.1 1 36.0 -52.0 992.5 992.7 331.1 995.2 0.22 TRP 235 10604 -62.1 -67.1 51 5.0 -62.1 250 27 319.3 319.3 288.5 319.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5307.25 m Freezing level: 924.14 mb = 822.32 m = 2697.86 ft Wetbulb zero: 1004.07 mb = 160.14 m = 525.37 ft Precipitable water: 0.19 inches Sfc-500 mean rel hum: 28.60 % Est. max temperature: 9.40 C = 48.92 F Sfc-Lift cond lev (LCL): 809.60 mb = 1856.33 m = 6090.24 ft T: -5.91 C 700-500 lapse rate: 4.37 C/km ThetaE index: 0.70 C Layer 985.0- 914.0 mb Conv cond level (CCL): 567.10 mb = 4570.65 m = 14995.38 ft Mean mixing ratio: 1.50 g/kg Conv temperature: 27.54 C = 81.58 F Cap Strength: 17.55 C Lifted Index: 17.62 C Risk: None Lifted Index @300 mb: 23.68 C Lifted Index @700 mb: 7.53 C Showalter Index: 15.87 C Risk: None Total Totals Index: 25.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 5.20 C K Index: -24.50 Risk: None Sweat Index: 25.00 Risk: None Energy Index: 4.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.17 J/kg Max Up Vert Vel: 3.21 m/s Conv Inhibition (B-): 81058.12 J/kg Cap Strength: 17.58 C Lift Cond Lev (LCL): 759.08 mb = 2357.74 m = 7735.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 155 at 9 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 1021 26 20 9 -3.1 -8.5 | 358 17 0.7 -16.5 1 850 1474 65 7 -6.3 -3.0 | 13 11 -2.6 -11.0 2 700 2980 135 17 -12.0 12.0 | 116 9 -8.3 4.0 3 500 5500 150 11 -5.5 9.5 | 130 2 -1.7 1.5 4 400 7090 180 11 0.0 11.0 | 232 5 3.8 3.0 5 300 9050 260 25 24.6 4.3 | 277 29 28.4 -3.7 6 250 10220 250 25 23.5 8.6 | 269 27 27.2 0.5 7 235 10604 250 27 25.4 9.2 | 268 29 29.1 1.2 8 200 11620 240 17 14.7 8.5 | 269 18 18.5 0.5 9 150 13490 255 17 16.4 4.4 | 280 20 20.2 -3.6 10 100 16130 280 25 24.6 -4.3 | 294 31 28.4 -12.4 11 70 18450 270 5 5.0 -0.0 | 313 12 8.8 -8.0 12 50 20630 160 9 -3.1 8.5 | 239 1 0.7 0.4 13 30 23950 145 13 -7.5 10.6 | 125 5 -3.7 2.6 14 20 26580 110 9 -8.5 3.1 | 43 7 -4.7 -5.0 15 10 31130 140 7 -4.5 5.4 | 16 3 -0.7 -2.7 Wind Parameters Mean winds (0-6000m): 125.0 at 11.8 knts Storm direction: 155.0 at 8.9 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 118.3 deg Storm rel helicity (0-3000m) pos: 61.3 neg: 0.0 tot: 61.3 m^2/s^2 ave: 20.4 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 35.11 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 21 9 358 16| 2.5 0.0 2.5| 7.4 0.0 7.4 14.8 0.73| 2.5 1.8 1000 31 8 2 15| 2.4 0.0 2.4| 12.3 0.0 12.3 12.3 0.66| 2.4 1.6 1500 40 8 6 14| 2.3 0.0 2.3| 16.2 0.0 16.2 10.8 0.62| 2.4 1.5 2000 51 8 11 13| 2.9 0.0 2.9| 30.4 0.0 30.4 15.2 0.78| 3.1 2.4 2500 68 9 22 12| 3.5 0.0 3.5| 45.7 0.0 45.7 18.3 0.84| 3.7 3.1 3000 88 10 37 11| 3.8 0.0 3.8| 61.3 0.0 61.3 20.4 0.88| 4.2 3.7 4000 108 11 58 8| 2.7 0.0 2.7| 62.8 0.0 62.8 15.7 0.82| 3.5 2.9 5000 118 12 71 7| 2.0 0.0 2.0| 63.5 0.0 63.5 12.7 0.76| 3.1 2.3 6000 125 12 78 6| 1.6 0.0 1.6| 64.7 0.0 64.7 10.8 0.75| 2.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250417.11.gif