UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042611.upa.cvt Date: 1100Z 26 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 26 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 1001 26 1.4 1.1 98 0.3 1.3 180 5 274.5 275.2 274.3 285.7 4.13 1 965 316 0.0 -0.5 96 0.5 -0.2 142 5 275.9 276.6 274.8 286.4 3.82 2 895 906 -2.9 -3.3 97 0.4 -3.1 64 4 279.0 279.5 275.7 288.3 3.34 3 886 985 -3.7 -4.3 96 0.6 -3.9 53 4 278.9 279.5 275.5 287.7 3.13 4 878 1056 -3.3 -3.9 96 0.6 -3.6 44 3 280.1 280.6 276.3 289.2 3.26 5 850 1309 -2.9 -7.9 68 5.0 -4.7 10 3 283.1 283.5 276.7 290.2 2.48 6 768 2104 -7.9 -12.1 72 4.2 -9.2 7 4 286.1 286.4 277.6 291.8 1.97 7 716 2645 -10.7 -14.4 74 3.7 -11.8 6 5 288.8 289.1 278.6 294.0 1.75 8 700 2818 -12.3 -15.3 78 3.0 -13.1 5 5 288.9 289.2 278.6 293.8 1.66 9 631 3602 -17.9 -21.3 75 3.4 -18.6 27 8 291.2 291.4 278.9 294.6 1.11 10 582 4202 -22.1 -27.0 64 4.9 -22.9 43 10 293.1 293.2 279.3 295.4 0.72 11 533 4843 -26.7 -34.7 47 8.0 -27.6 62 13 295.0 295.1 279.7 296.3 0.38 12 526 4938 -27.7 -35.7 46 8.0 -28.6 64 13 295.0 295.0 279.6 296.1 0.35 13 500 5300 -30.9 -37.9 50 7.0 -31.6 75 15 295.4 295.4 279.7 296.3 0.29 14 400 6840 -43.3 -49.3 52 6.0 -43.5 100 11 298.7 298.7 280.9 299.1 0.11 15 373 7307 -47.3 -52.3 56 5.0 -47.4 57 12 299.4 299.5 281.2 299.7 0.08 16 318 8352 -52.1 -60.1 38 8.0 -52.2 320 13 306.8 306.8 284.1 306.9 0.04 17 300 8730 -51.3 -62.3 26 11.0 -51.5 355 9 313.0 313.0 286.4 313.2 0.03 18 270 9412 -52.5 -66.5 17 14.0 -52.7 44 4 320.9 320.9 289.0 320.9 0.02 19 250 9910 -50.9 -68.9 10 18.0 -51.2 80 1 330.4 330.4 291.8 330.5 0.01 20 236 10286 -48.7 -70.7 6 22.0 -49.1 115 3 339.2 339.2 294.1 339.3 0.01 21 225 10601 -46.7 -68.7 6 22.0 -47.3 144 4 346.9 346.9 296.0 347.0 0.02 22 218 10810 -47.3 -72.3 4 25.0 -47.9 163 5 349.2 349.2 296.4 349.2 0.01 23 200 11380 -46.7 -73.7 3 27.0 -47.4 215 7 358.8 358.8 298.5 358.9 0.01 24 181 12046 -44.9 -73.9 2 29.0 -45.8 184 8 372.1 372.1 300.9 372.2 0.01 25 150 13300 -45.9 -79.9 1 34.0 -46.9 125 9 391.0 391.0 303.9 391.0 0.00 26 103 15794 -45.9 -79.9 1 34.0 -47.3 162 16 435.3 435.3 309.4 435.4 0.01 27 101 15924 -46.9 -80.9 1 34.0 -48.1 164 17 435.9 435.9 309.4 435.9 0.01 28 100 15990 -47.1 -80.1 1 33.0 -48.3 165 17 436.7 436.7 309.6 436.8 0.01 29 78 17623 -50.3 -82.3 1 32.0 -51.4 144 11 462.2 462.2 312.0 462.3 0.01 30 70 18330 -49.5 -82.5 1 33.0 -50.8 135 9 478.5 478.5 313.3 478.5 0.01 31 50 20540 -48.3 -81.3 1 33.0 -50.3 135 9 529.6 529.7 316.9 529.7 0.01 32 34 23071 -50.7 -82.7 1 32.0 -52.9 214 6 585.1 585.1 319.9 585.2 0.01 33 30 23890 -49.5 -82.5 1 33.0 -52.2 240 5 609.7 609.7 321.0 609.8 0.01 34 20 26540 -48.5 -81.5 1 33.0 -52.4 165 3 687.7 687.7 324.0 687.9 0.03 35 14 28883 -50.5 -82.5 1 32.0 -54.8 111 4 754.8 754.8 326.1 755.1 0.03 36 10 31100 -46.7 -80.7 1 34.0 -53.6 60 5 845.2 845.3 328.3 845.8 0.06 37 7.6 32936 -42.7 -77.7 1 35.0 -52.7 930.4 930.5 330.0 931.8 0.13 TRP 318 8352 -52.1 -60.1 38 8.0 -52.2 320 13 306.8 306.8 284.1 306.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5266.10 m Freezing level: 965.00 mb = 315.51 m = 1035.11 ft Wetbulb zero: 970.27 mb = 272.42 m = 893.77 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 73.18 % Est. max temperature: 9.93 C = 49.87 F Sfc-Lift cond lev (LCL): 996.22 mb = 63.80 m = 209.33 ft T: 1.22 C 700-500 lapse rate: 7.49 C/km ThetaE index: 0.58 C Layer 886.0- 878.0 mb Conv cond level (CCL): 933.55 mb = 575.48 m = 1888.05 ft Mean mixing ratio: 3.73 g/kg Conv temperature: 4.20 C = 39.56 F Cap Strength: 7.91 C Lifted Index: 7.75 C Risk: None Lifted Index @300 mb: 18.64 C Lifted Index @700 mb: 5.43 C Showalter Index: 5.14 C Risk: None Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.00 C Cross Totals Index: 23.00 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 61.00 Risk: None Energy Index: 1.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.40 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 70402.17 J/kg Cap Strength: 7.88 C Lift Cond Lev (LCL): 943.30 mb = 493.98 m = 1620.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 90 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 1001 26 180 5 0.0 5.0 | 229 8 5.9 5.0 1 850 1309 10 3 -0.5 -3.0 | 299 6 5.3 -2.9 2 700 2818 5 5 -0.4 -5.0 | 313 7 5.4 -5.0 3 500 5300 75 15 -14.5 -3.9 | 66 9 -8.6 -3.9 4 400 6840 100 11 -10.8 1.9 | 111 5 -5.0 1.9 5 318 8352 320 13 8.4 -10.0 | 305 17 14.2 -10.0 6 300 8730 355 9 0.8 -9.0 | 323 11 6.6 -9.0 7 250 9910 80 1 -1.0 -0.2 | 272 5 4.9 -0.2 8 200 11380 215 7 4.0 5.7 | 240 11 9.9 5.7 9 150 13300 125 9 -7.4 5.2 | 164 5 -1.5 5.2 10 100 15990 165 17 -4.4 16.4 | 185 16 1.5 16.4 11 70 18330 135 9 -6.4 6.4 | 175 6 -0.5 6.4 12 50 20540 135 9 -6.4 6.4 | 175 6 -0.5 6.4 13 30 23890 240 5 4.3 2.5 | 256 10 10.2 2.5 14 20 26540 165 3 -0.8 2.9 | 240 6 5.1 2.9 15 10 31100 60 5 -4.3 -2.5 | 329 3 1.5 -2.5 Wind Parameters Mean winds (0-6000m): 59.9 at 7.8 knts Storm direction: 89.9 at 5.9 knts Shear (0-3000m) pos: 0.2 neg: 1.6 tot: 1.9 10-3/s Storm rel Dir Shear (0-3000m): 90.9 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -2.6 tot: 4.3 m^2/s^2 ave: 1.4 10^-3 m/s^2 rel: 0.30 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.78 Bulk Shear: 19.87 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 ------------------------------------------------------------------------------- 500 218 5 247 9| 0.0 5.2 5.2| 0.4 -1.8 -1.4 -2.7 -0.10| 5.5 -0.5 1000 183 4 235 7| 0.0 4.0 4.0| 2.2 -1.8 0.4 0.4 0.25| 5.1 1.3 1500 147 4 229 5| 0.0 2.8 2.8| 2.6 -2.6 0.0 0.0 0.17| 4.2 0.7 2000 33 4 310 5| 0.0 2.3 2.3| 3.5 -2.6 1.0 0.5 0.21| 3.3 0.7 2500 16 4 308 6| 0.0 2.0 2.0| 4.4 -2.6 1.9 0.7 0.23| 2.8 0.7 3000 12 4 309 6| 0.2 1.6 1.9| 6.9 -2.6 4.3 1.4 0.30| 2.6 0.8 4000 22 5 320 6| 0.8 1.2 2.1| 18.1 -2.6 15.5 3.9 0.49| 2.7 1.3 5000 44 6 344 5| 1.3 1.0 2.3| 33.1 -2.6 30.5 6.1 0.61| 2.9 1.8 6000 60 8 13 4| 1.1 0.8 2.0| 44.1 -2.6 41.5 6.9 0.65| 2.9 1.9 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250426.11.gif