UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042623.upa.cvt Date: 2300Z 26 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 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 1002 26 2.8 1.3 90 1.5 2.1 180 11 275.8 276.5 275.2 287.2 4.19 1 966 316 0.4 -0.6 93 1.0 -0.0 140 9 276.3 276.9 274.9 286.6 3.78 2 896 906 -2.7 -3.7 93 1.0 -3.1 58 4 279.1 279.6 275.7 288.1 3.24 3 850 1316 -4.3 -6.1 87 1.8 -5.0 0 0 281.6 282.1 276.5 289.7 2.85 4 806 1734 -5.7 -7.3 88 1.6 -6.2 315 1 284.5 284.9 277.8 292.3 2.74 5 769 2101 -8.3 -10.3 85 2.0 -8.9 275 3 285.5 285.9 277.7 292.1 2.27 6 700 2823 -13.7 -15.4 87 1.7 -14.2 195 5 287.3 287.6 277.7 292.2 1.65 7 680 3043 -15.5 -16.6 91 1.1 -15.8 192 5 287.7 288.0 277.8 292.3 1.53 8 631 3605 -18.3 -19.9 87 1.6 -18.7 184 4 290.7 290.9 278.9 294.5 1.25 9 582 4203 -22.7 -24.8 83 2.1 -23.1 176 4 292.4 292.5 279.1 295.1 0.88 10 500 5300 -30.9 -34.4 71 3.5 -31.3 160 3 295.4 295.4 279.9 296.7 0.41 11 400 6840 -43.7 -47.5 66 3.8 -43.9 115 7 298.2 298.2 280.7 298.7 0.13 12 354 7647 -50.3 -53.3 70 3.0 -50.4 127 9 299.9 299.9 281.4 300.2 0.08 13 349 7740 -50.9 -53.7 72 2.8 -51.0 129 9 300.3 300.3 281.6 300.6 0.07 14 311 8480 -55.7 -59.3 64 3.6 -55.8 140 11 303.7 303.7 283.0 303.8 0.04 15 300 8710 -53.7 -60.7 42 7.0 -53.8 240 3 309.7 309.7 285.2 309.8 0.04 16 250 9890 -49.9 -62.9 20 13.0 -50.2 230 7 331.9 331.9 292.3 332.0 0.03 17 227 10524 -47.3 -62.3 16 15.0 -47.8 230 7 345.1 345.1 295.6 345.3 0.04 18 218 10791 -48.3 -66.3 11 18.0 -48.8 230 7 347.6 347.6 296.1 347.7 0.02 19 212 10975 -47.9 -67.9 8 20.0 -48.4 230 7 351.0 351.0 296.8 351.1 0.02 20 200 11360 -46.9 -68.9 6 22.0 -47.6 230 7 358.5 358.5 298.4 358.6 0.02 21 195 11528 -45.7 -67.7 7 22.0 -46.4 233 7 363.0 363.0 299.3 363.1 0.02 22 178 12134 -45.3 -73.3 3 28.0 -46.2 242 5 373.3 373.3 301.1 373.3 0.01 23 164 12678 -46.5 -80.5 1 34.0 -47.4 251 4 380.1 380.1 302.3 380.1 0.00 24 150 13270 -46.1 -80.1 1 34.0 -47.1 260 3 390.6 390.6 303.9 390.6 0.00 25 101 15894 -47.1 -81.1 1 34.0 -48.3 177 9 435.5 435.5 309.4 435.5 0.01 26 100 15960 -46.9 -80.9 1 34.0 -48.2 175 9 437.1 437.1 309.6 437.1 0.01 27 92 16513 -46.9 -80.9 1 34.0 -48.3 134 7 447.7 447.7 310.6 447.7 0.01 28 74 17946 -50.1 -83.1 1 33.0 -51.3 27 1 469.7 469.7 312.6 469.7 0.01 29 70 18310 -49.3 -82.3 1 33.0 -50.7 0 0 478.9 478.9 313.4 479.0 0.01 30 50 20520 -50.3 -83.3 1 33.0 -52.0 175 9 524.9 524.9 316.6 525.0 0.01 31 30 23850 -49.5 -82.5 1 33.0 -52.2 45 1 609.7 609.7 321.0 609.8 0.01 32 20 26500 -49.3 -82.3 1 33.0 -53.0 350 5 685.3 685.3 324.0 685.4 0.02 33 14 28829 -51.3 -83.3 1 32.0 -55.3 16 7 752.1 752.1 326.0 752.3 0.03 34 10 31030 -48.3 -81.3 1 33.0 -54.5 40 9 839.3 839.3 328.2 839.8 0.05 35 4.7 36160 -34.1 -72.1 1 38.0 -51.8 1107.3 1107.6 332.8 1113.9 0.48 TRP 311 8480 -55.7 -59.3 64 3.6 -55.8 140 11 303.7 303.7 283.0 303.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5258.18 m Freezing level: 956.97 mb = 391.85 m = 1285.59 ft Wetbulb zero: 966.64 mb = 310.43 m = 1018.46 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 85.99 % Est. max temperature: 8.54 C = 47.37 F Sfc-Lift cond lev (LCL): 978.90 mb = 210.68 m = 691.20 ft T: 1.27 C 700-500 lapse rate: 6.94 C/km ThetaE index: 0.56 C Layer 966.0- 896.0 mb Conv cond level (CCL): 920.06 mb = 697.91 m = 2289.70 ft Mean mixing ratio: 3.69 g/kg Conv temperature: 5.09 C = 41.17 F Cap Strength: 6.11 C Lifted Index: 7.46 C Risk: None Lifted Index @300 mb: 15.95 C Lifted Index @700 mb: 3.80 C Showalter Index: 5.53 C Risk: None Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.60 C Cross Totals Index: 24.80 C K Index: 18.80 Risk: < 20 % chance of thunderstorms Sweat Index: 51.00 Risk: None Energy Index: 1.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.52 J/kg Max Up Vert Vel: 4.80 m/s Conv Inhibition (B-): 96757.84 J/kg Cap Strength: 7.35 C Lift Cond Lev (LCL): 935.03 mb = 571.36 m = 1874.53 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 3 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 1002 26 180 11 0.0 11.0 | 170 9 -1.4 8.4 1 850 1316 0 0 -0.0 -0.0 | 29 3 -1.4 -2.6 2 700 2823 195 5 1.3 4.8 | 176 2 -0.1 2.3 3 500 5300 160 3 -1.0 2.8 | 96 2 -2.5 0.2 4 400 6840 115 7 -6.3 3.0 | 93 8 -7.8 0.4 5 311 8480 140 11 -7.1 8.4 | 124 10 -8.5 5.9 6 300 8710 240 3 2.6 1.5 | 313 2 1.2 -1.1 7 250 9890 230 7 5.4 4.5 | 244 4 3.9 1.9 8 200 11360 230 7 5.4 4.5 | 244 4 3.9 1.9 9 150 13270 260 3 3.0 0.5 | 324 3 1.5 -2.1 10 100 15960 175 9 -0.8 9.0 | 161 7 -2.2 6.4 11 70 18310 0 0 -0.0 -0.0 | 29 3 -1.4 -2.6 12 50 20520 175 9 -0.8 9.0 | 161 7 -2.2 6.4 13 30 23850 45 1 -0.7 -0.7 | 33 4 -2.1 -3.3 14 20 26500 350 5 0.9 -4.9 | 4 8 -0.6 -7.5 15 10 31030 40 9 -5.8 -6.9 | 37 12 -7.2 -9.5 Wind Parameters Mean winds (0-6000m): 179.2 at 3.9 knts Storm direction: 209.2 at 3.0 knts Shear (0-3000m) pos: 0.0 neg: 1.1 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): -1.5 deg Storm rel helicity (0-3000m) pos: 0.2 neg: -42.9 tot: -42.7 m^2/s^2 ave: -14.2 10^-3 m/s^2 rel: -0.88 Storm rel vorticity (0-3000m) horiz: 5.3 stream: -4.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.62 Bulk Shear: 4.39 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 ------------------------------------------------------------------------------- 500 203 9 200 6| 0.0 11.0 11.0| 0.0 -24.5 -24.5 -49.0 -1.00| 12.0-11.9 1000 182 7 164 4| 0.0 6.7 6.7| 0.0 -36.5 -36.5 -36.5 -0.97| 9.6 -9.3 1500 180 5 148 3| 0.0 4.0 4.0| 0.2 -37.8 -37.6 -25.1 -0.87| 7.5 -6.6 2000 186 4 145 2| 0.0 3.0 3.0| 0.2 -39.8 -39.6 -19.8 -0.88| 6.2 -5.5 2500 191 4 150 1| 0.0 1.8 1.8| 0.2 -41.6 -41.4 -16.6 -0.88| 5.7 -5.0 3000 186 4 142 2| 0.0 1.1 1.1| 0.2 -42.9 -42.7 -14.2 -0.88| 5.3 -4.7 4000 186 4 145 2| 0.0 0.9 0.9| 0.2 -43.6 -43.5 -10.9 -0.89| 4.1 -3.7 5000 184 4 140 2| 0.0 0.8 0.8| 0.2 -44.3 -44.2 -8.8 -0.89| 3.4 -3.1 6000 179 4 132 2| 0.0 0.7 0.7| 0.5 -44.5 -44.1 -7.3 -0.82| 3.1 -2.5 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250426.23.gif