UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041523.upa.cvt Date: 2300Z 15 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 15 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 1.0 -7.0 55 8.0 -1.7 30 1 272.8 273.2 270.5 279.0 2.22 1 980 319 0.8 -12.2 37 13.0 -3.2 49 2 275.5 275.8 271.1 279.9 1.53 2 958 498 -0.3 -16.3 29 16.0 -4.7 60 2 276.2 276.4 270.8 279.5 1.12 3 915 858 -1.9 -19.9 24 18.0 -6.4 83 3 278.2 278.4 271.6 280.8 0.86 4 909 910 -2.5 -19.5 26 17.0 -6.7 86 4 278.1 278.3 271.6 280.8 0.90 5 850 1430 -6.5 -24.5 22 18.0 -10.2 120 5 279.3 279.4 271.8 281.2 0.62 6 837 1550 -7.5 -25.5 22 18.0 -11.1 118 5 279.5 279.6 271.9 281.3 0.57 7 780 2096 -9.9 -29.9 18 20.0 -13.4 109 6 282.6 282.7 273.4 283.9 0.41 8 750 2398 -11.7 -32.7 16 21.0 -15.0 104 6 283.9 283.9 273.9 284.9 0.33 9 722 2690 -10.3 -54.3 1 44.0 -14.7 99 7 288.5 288.5 275.9 288.6 0.03 10 707 2851 -9.7 -55.7 1 46.0 -14.3 96 7 290.9 290.9 277.2 291.0 0.03 11 700 2928 -10.3 -50.3 2 40.0 -14.7 95 7 291.1 291.1 277.3 291.3 0.05 12 641 3599 -14.9 -39.9 10 25.0 -18.1 141 8 293.3 293.3 278.6 293.9 0.19 13 600 4095 -18.7 -46.7 7 28.0 -21.5 175 8 294.5 294.5 279.0 294.8 0.10 14 592 4195 -19.3 -47.3 6 28.0 -22.0 182 8 294.9 294.9 279.2 295.2 0.09 15 586 4270 -19.7 -36.7 21 17.0 -21.9 187 8 295.3 295.4 279.7 296.3 0.28 16 585 4283 -19.9 -35.9 23 16.0 -22.0 188 8 295.2 295.3 279.7 296.2 0.31 17 574 4423 -20.7 -51.7 4 31.0 -23.2 198 8 295.9 295.9 279.6 296.1 0.06 18 573 4436 -20.7 -51.7 4 31.0 -23.2 199 8 296.0 296.0 279.7 296.2 0.06 19 561 4592 -21.7 -29.7 48 8.0 -22.9 210 8 296.7 296.8 280.7 298.5 0.58 20 560 4605 -21.9 -29.9 48 8.0 -23.1 211 8 296.6 296.7 280.6 298.4 0.57 21 535 4939 -24.7 -28.5 71 3.8 -25.3 235 9 297.1 297.2 281.0 299.3 0.68 22 529 5021 -24.7 -27.8 75 3.1 -25.2 241 9 298.1 298.2 281.5 300.5 0.73 23 511 5273 -25.3 -27.9 79 2.6 -25.7 259 9 300.3 300.5 282.5 302.8 0.75 24 500 5430 -26.3 -29.0 78 2.7 -26.7 270 9 301.0 301.1 282.7 303.3 0.70 25 434 6444 -32.3 -35.3 75 3.0 -32.6 267 20 305.8 305.9 284.3 307.3 0.44 26 429 6526 -32.3 -34.7 79 2.4 -32.6 267 21 306.8 306.9 284.7 308.4 0.47 27 400 7020 -33.1 -36.2 74 3.1 -33.4 265 27 312.0 312.1 286.6 313.5 0.43 28 309 8784 -45.1 -49.3 63 4.2 -45.3 256 46 319.1 319.1 288.6 319.6 0.14 29 300 8980 -46.9 -51.1 62 4.2 -47.1 255 48 319.3 319.3 288.6 319.7 0.12 30 250 10170 -57.3 -62.1 54 4.8 -57.4 255 50 320.9 320.9 289.0 321.0 0.04 31 233 10608 -60.7 -66.7 45 6.0 -60.7 262 46 322.2 322.3 289.5 322.3 0.02 32 226 10796 -61.5 -67.5 45 6.0 -61.6 266 44 323.8 323.9 289.9 323.9 0.02 33 217 11045 -62.9 -67.1 57 4.2 -63.0 270 42 325.5 325.5 290.5 325.6 0.02 34 200 11550 -57.5 -71.5 15 14.0 -57.7 260 35 341.7 341.7 294.7 341.8 0.01 35 189 11909 -56.3 -85.3 1 29.0 -56.6 259 32 349.2 349.2 296.4 349.2 0.00 36 181 12186 -53.7 -84.7 1 31.0 -54.1 258 30 357.8 357.8 298.2 357.8 0.00 37 166 12748 -49.9 -82.9 1 33.0 -50.5 257 26 373.1 373.1 301.1 373.1 0.00 38 150 13410 -51.3 -83.3 1 32.0 -51.8 255 21 381.7 381.7 302.5 381.7 0.00 39 139 13904 -52.1 -84.1 1 32.0 -52.7 252 21 388.7 388.7 303.6 388.7 0.00 40 115 15131 -52.1 -84.1 1 32.0 -52.8 245 20 410.3 410.3 306.6 410.3 0.00 41 101 15975 -50.3 -83.3 1 33.0 -51.2 240 19 429.3 429.3 308.7 429.3 0.00 42 100 16040 -50.1 -83.1 1 33.0 -51.0 240 19 430.9 430.9 308.9 430.9 0.00 43 70 18370 -48.7 -81.7 1 33.0 -50.1 200 5 480.2 480.2 313.5 480.2 0.01 44 50 20570 -50.7 -82.7 1 32.0 -52.3 295 5 524.0 524.0 316.5 524.0 0.01 45 44 21403 -51.3 -83.3 1 32.0 -52.9 259 8 542.0 542.0 317.6 542.1 0.01 46 30 23900 -50.1 -83.1 1 33.0 -52.7 150 17 608.1 608.1 321.0 608.1 0.01 47 26 24834 -49.7 -82.7 1 33.0 -52.7 138 14 634.6 634.6 322.1 634.7 0.02 48 20 26540 -52.1 -84.1 1 32.0 -55.0 115 9 676.7 676.7 323.7 676.8 0.02 49 10 31070 -46.7 -80.7 1 34.0 -53.6 155 17 845.2 845.3 328.3 845.8 0.06 50 7.8 32720 -46.1 -80.1 1 34.0 -54.2 909.9 909.9 329.6 910.8 0.08 TRP 217 11045 -62.9 -67.1 57 4.2 -63.0 270 42 325.5 325.5 290.5 325.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5270.86 m Freezing level: 964.00 mb = 448.88 m = 1472.69 ft Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 25.89 % Est. max temperature: 7.19 C = 44.94 F Sfc-Lift cond lev (LCL): 897.51 mb = 1008.17 m = 3307.61 ft T: -3.26 C 700-500 lapse rate: 6.39 C/km ThetaE index: 0.43 C Layer 958.0- 915.0 mb Conv cond level (CCL): 588.06 mb = 4244.13 m = 13924.16 ft Mean mixing ratio: 1.38 g/kg Conv temperature: 23.45 C = 74.20 F Cap Strength: 17.40 C Lifted Index: 17.80 C Risk: None Lifted Index @300 mb: 27.99 C Lifted Index @700 mb: 12.53 C Showalter Index: 16.69 C Risk: None Total Totals Index: 21.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 1.80 C K Index: -44.70 Risk: None Sweat Index: 19.00 Risk: None Energy Index: 4.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.19 J/kg Max Up Vert Vel: 5.86 m/s Conv Inhibition (B-): 79421.04 J/kg Cap Strength: 17.81 C Lift Cond Lev (LCL): 780.13 mb = 2094.90 m = 6872.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 188 at 5 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 30 1 -0.5 -0.9 | 12 6 -1.2 -5.9 1 850 1430 120 5 -4.3 2.5 | 63 6 -5.1 -2.5 2 700 2928 95 7 -7.0 0.6 | 60 9 -7.7 -4.4 3 500 5430 270 9 9.0 -0.0 | 301 10 8.3 -5.0 4 400 7020 265 27 26.9 2.4 | 276 26 26.1 -2.7 5 300 8980 255 48 46.4 12.4 | 261 46 45.6 7.4 6 250 10170 255 50 48.3 12.9 | 261 48 47.5 7.9 7 217 11045 270 42 42.0 -0.0 | 277 42 41.3 -5.0 8 200 11550 260 35 34.5 6.1 | 268 34 33.7 1.0 9 150 13410 255 21 20.3 5.4 | 269 20 19.5 0.4 10 100 16040 240 19 16.5 9.5 | 254 16 15.7 4.5 11 70 18370 200 5 1.7 4.7 | 290 1 1.0 -0.3 12 50 20570 295 5 4.5 -2.1 | 332 8 3.8 -7.2 13 30 23900 150 17 -8.5 14.7 | 136 13 -9.2 9.7 14 20 26540 115 9 -8.2 3.8 | 82 9 -8.9 -1.2 15 10 31070 155 17 -7.2 15.4 | 143 13 -7.9 10.4 Wind Parameters Mean winds (0-6000m): 158.4 at 6.8 knts Storm direction: 188.4 at 5.1 knts Shear (0-3000m) pos: 1.0 neg: 0.4 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 53.0 deg Storm rel helicity (0-3000m) pos: 11.8 neg: -1.1 tot: 10.7 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.67 Bulk Shear: 3.68 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 ------------------------------------------------------------------------------- 500 144 2 24 4| 1.7 0.0 1.7| 2.6 0.0 2.6 5.2 0.87| 1.8 1.5 1000 109 2 35 5| 1.8 0.0 1.8| 6.6 0.0 6.6 6.6 0.94| 2.1 1.9 1500 110 3 43 5| 1.8 0.0 1.8| 10.1 0.0 10.1 6.7 0.91| 2.2 2.0 2000 111 4 49 6| 1.3 0.3 1.6| 10.1 -0.0 10.1 5.1 0.78| 1.9 1.5 2500 109 4 52 6| 1.1 0.4 1.5| 10.1 -0.4 9.7 3.9 0.66| 1.8 1.2 3000 106 5 54 6| 1.0 0.4 1.4| 11.8 -1.1 10.7 3.6 0.59| 1.8 1.0 4000 116 5 64 6| 1.3 0.3 1.5| 23.4 -1.1 22.2 5.6 0.70| 2.5 1.8 5000 127 6 75 6| 1.2 0.2 1.4| 33.0 -1.1 31.9 6.4 0.76| 3.1 2.3 6000 158 7 112 3| 1.1 0.3 1.4| 40.5 -11.3 29.2 4.9 0.56| 3.5 2.0 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250415.23.gif