UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121023.upa.cvt Date: 2300Z 10 DEC 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 10 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 984 26 5.0 -13.0 26 18.0 -0.8 30 21 279.4 279.7 273.2 283.6 1.43 1 949 314 2.8 -14.2 27 17.0 -2.4 39 23 280.1 280.3 273.5 284.0 1.34 2 880 906 -2.5 -14.5 39 12.0 -6.0 57 27 280.7 281.0 273.9 284.9 1.41 3 850 1175 -4.9 -15.9 42 11.0 -7.9 65 29 281.0 281.2 273.9 284.8 1.30 4 754 2104 -12.3 -18.3 61 6.0 -13.7 77 27 282.8 283.0 274.8 286.3 1.20 5 748 2165 -12.9 -17.9 66 5.0 -14.1 78 26 282.8 283.0 274.8 286.5 1.25 6 713 2529 -14.7 -19.7 66 5.0 -15.8 83 25 284.7 284.9 275.7 288.1 1.12 7 700 2669 -12.5 -22.5 43 10.0 -14.7 85 25 288.6 288.8 277.4 291.4 0.90 8 687 2812 -12.5 -24.5 36 12.0 -15.0 80 25 290.2 290.3 277.9 292.6 0.76 9 619 3597 -18.5 -27.5 45 9.0 -20.1 50 22 292.1 292.2 278.7 294.2 0.65 10 606 3755 -19.1 -28.1 45 9.0 -20.6 44 22 293.2 293.3 279.1 295.2 0.62 11 571 4194 -23.1 -31.1 48 8.0 -24.2 27 20 293.5 293.6 279.1 295.1 0.50 12 541 4586 -26.5 -31.5 63 5.0 -27.2 12 19 294.0 294.1 279.4 295.7 0.51 13 500 5150 -30.5 -36.5 56 6.0 -31.1 350 17 295.9 295.9 280.0 297.0 0.34 14 439 6058 -38.3 -42.6 64 4.3 -38.6 353 24 297.2 297.2 280.4 297.9 0.20 15 400 6690 -43.7 -48.5 59 4.8 -43.9 355 29 298.2 298.2 280.7 298.6 0.12 16 300 8560 -59.7 -64.7 52 5.0 -59.7 40 44 301.2 301.2 281.8 301.3 0.02 17 270 9209 -64.7 -69.4 52 4.7 -64.7 40 50 303.1 303.1 282.7 303.2 0.01 18 259 9463 -64.7 -69.0 55 4.3 -64.7 56 46 306.8 306.8 284.1 306.8 0.01 19 250 9680 -61.1 -65.8 54 4.7 -61.2 70 42 315.2 315.2 287.2 315.3 0.02 20 244 9833 -55.9 -62.9 41 7.0 -56.0 62 39 325.2 325.2 290.4 325.3 0.03 21 236 10047 -54.7 -70.7 12 16.0 -54.9 52 34 330.1 330.1 291.7 330.2 0.01 22 231 10184 -55.5 -77.5 5 22.0 -55.7 45 31 331.0 331.0 292.0 331.0 0.00 23 210 10790 -57.3 -77.3 6 20.0 -57.5 15 18 337.3 337.3 293.6 337.3 0.00 24 200 11100 -56.9 -75.9 7 19.0 -57.1 360 11 342.7 342.7 295.0 342.7 0.01 25 195 11259 -57.7 -77.7 6 20.0 -57.9 8 12 343.9 343.9 295.3 343.9 0.00 26 176 11910 -53.7 -75.7 5 22.0 -54.1 42 14 360.7 360.7 298.8 360.7 0.01 27 151 12879 -59.7 -87.7 1 28.0 -59.9 93 17 366.5 366.5 299.9 366.5 0.00 28 150 12920 -59.3 -87.3 1 28.0 -59.5 95 17 367.9 367.9 300.2 367.9 0.00 29 141 13311 -55.5 -86.5 1 31.0 -55.9 106 19 381.1 381.1 302.4 381.1 0.00 30 128 13925 -57.7 -87.7 1 30.0 -58.0 122 21 387.9 387.9 303.5 387.9 0.00 31 100 15490 -55.7 -86.7 1 31.0 -56.2 165 27 420.1 420.1 307.7 420.1 0.00 32 70 17760 -56.3 -87.3 1 31.0 -56.9 175 35 463.9 463.9 312.1 464.0 0.00 33 63 18432 -54.1 -85.1 1 31.0 -55.0 181 39 483.0 483.0 313.7 483.0 0.00 34 53 19532 -57.7 -87.7 1 30.0 -58.4 192 46 499.1 499.1 314.9 499.1 0.00 35 50 19900 -56.9 -86.9 1 30.0 -57.7 195 48 509.4 509.4 315.6 509.4 0.00 36 40 21313 -56.9 -86.9 1 30.0 -57.9 543.0 543.0 317.7 543.0 0.01 TRP 270 9209 -64.7 -69.4 52 4.7 -64.7 40 50 303.1 303.1 282.7 303.2 0.01 WND Sounding variables and indices Freezing level: 912.55 mb = 626.91 m = 2056.78 ft Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 47.29 % Est. max temperature: 6.86 C = 44.35 F Sfc-Lift cond lev (LCL): 743.65 mb = 2209.24 m = 7248.08 ft T: -13.12 C 700-500 lapse rate: 7.26 C/km ThetaE index: 0.02 C Layer 850.0- 754.0 mb Conv cond level (CCL): 604.36 mb = 3775.23 m = 12385.77 ft Mean mixing ratio: 1.38 g/kg Conv temperature: 18.70 C = 65.66 F Cap Strength: 9.36 C Lifted Index: 10.14 C Risk: None Lifted Index @300 mb: 12.06 C Lifted Index @700 mb: 7.11 C Showalter Index: 9.68 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 25.60 C Cross Totals Index: 14.60 C K Index: -0.30 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 2.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.22 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 37321.04 J/kg Cap Strength: 10.13 C Lift Cond Lev (LCL): 730.17 mb = 2348.23 m = 7704.07 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 80 at 17 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 ---------------------------------------------------------- 0 984 26 30 21 -10.5 -18.2 | 337 17 6.6 -15.2 1 850 1175 65 29 -26.3 -12.3 | 45 13 -9.2 -9.2 2 700 2669 85 25 -24.9 -2.2 | 96 8 -7.8 0.9 3 500 5150 350 17 3.0 -16.7 | 304 24 20.0 -13.7 4 400 6690 355 29 2.5 -28.9 | 323 32 19.6 -25.9 5 300 8560 40 44 -28.3 -33.7 | 20 33 -11.2 -30.7 6 270 9209 40 50 -32.1 -38.3 | 23 38 -15.1 -35.3 7 250 9680 70 42 -39.5 -14.4 | 63 25 -22.4 -11.3 8 200 11100 360 11 -0.0 -11.0 | 295 19 17.1 -8.0 9 150 12920 95 17 -16.9 1.5 | 182 5 0.1 4.5 10 100 15490 165 27 -7.0 26.1 | 199 31 10.1 29.1 11 70 17760 175 35 -3.1 34.9 | 200 40 14.0 37.9 12 50 19900 195 48 12.4 46.4 | 211 58 29.5 49.4 Wind Parameters Mean winds (0-6000m): 49.9 at 23.1 knts Storm direction: 79.9 at 17.3 knts Shear (0-3000m) pos: 3.6 neg: 0.9 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 73.6 deg Storm rel helicity (0-3000m) pos: 84.8 neg: -10.6 tot: 74.2 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.24 Bulk Shear: 1.88 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 41 23 350 14| 7.1 0.0 7.1| 26.6 0.0 26.6 53.3 0.94| 7.2 6.8 1000 48 24 5 13| 7.5 0.0 7.5| 53.9 0.0 53.9 53.9 0.97| 7.6 7.3 1500 55 26 19 13| 6.1 0.0 6.1| 68.6 0.0 68.6 45.7 0.95| 6.8 6.4 2000 60 26 28 12| 5.0 0.0 5.0| 76.5 0.0 76.5 38.2 0.93| 6.0 5.5 2500 64 26 37 11| 4.3 0.0 4.3| 83.5 0.0 83.5 33.4 0.93| 5.5 5.1 3000 66 26 42 10| 3.6 0.9 4.5| 84.8 -10.6 74.2 24.7 0.60| 5.6 3.4 4000 64 25 34 10| 2.7 2.6 5.3| 84.8 -45.5 39.4 9.8 0.15| 6.2 0.9 5000 59 24 20 10| 2.2 3.1 5.3| 84.8 -99.0 -14.2 -2.8 -0.05| 6.3 -0.3 6000 50 23 3 12| 1.6 2.8 4.4|119.9-105.5 14.4 2.4 0.01| 5.9 0.1 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20251210.23.gif