UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042811.upa.cvt Date: 1100Z 28 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:1100Z 28 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 1004 26 5.0 -1.0 65 6.0 2.5 10 1 277.8 278.4 275.4 287.6 3.53 1 968 318 3.4 -3.6 60 7.0 0.6 39 4 279.1 279.6 275.4 287.6 3.02 2 899 904 -2.1 -4.7 82 2.6 -3.1 96 10 279.4 279.9 275.5 287.8 3.00 3 862 1231 -4.7 -5.6 93 0.9 -5.0 129 14 280.1 280.6 275.8 288.3 2.92 4 850 1340 -5.3 -6.3 93 1.0 -5.7 140 15 280.6 281.1 275.9 288.5 2.80 5 771 2100 -9.7 -11.1 89 1.4 -10.1 160 25 283.8 284.2 276.6 290.0 2.12 6 700 2839 -14.7 -16.0 90 1.3 -15.0 180 35 286.2 286.5 277.1 290.9 1.57 7 632 3606 -19.7 -21.5 86 1.8 -20.1 185 41 289.0 289.2 277.8 292.3 1.08 8 600 3990 -22.5 -23.5 92 1.0 -22.7 187 45 290.1 290.2 278.2 293.0 0.96 9 583 4200 -24.1 -25.6 87 1.5 -24.4 188 46 290.6 290.8 278.2 293.2 0.82 10 578 4263 -23.5 -25.3 85 1.8 -23.8 189 47 292.0 292.2 278.9 294.7 0.85 11 565 4429 -25.7 -34.7 43 9.0 -26.8 190 48 291.3 291.4 277.9 292.5 0.36 12 535 4824 -26.5 -29.6 75 3.1 -26.9 192 52 295.0 295.1 280.0 297.0 0.61 13 518 5056 -28.5 -37.5 42 9.0 -29.4 193 54 295.3 295.3 279.7 296.3 0.29 14 500 5310 -28.7 -33.7 62 5.0 -29.3 195 56 298.0 298.1 281.1 299.5 0.44 15 486 5512 -29.5 -33.6 68 4.1 -30.0 196 58 299.5 299.6 281.8 301.0 0.46 16 447 6102 -33.3 -36.2 75 2.9 -33.6 200 63 302.0 302.0 282.7 303.3 0.39 17 446 6118 -33.3 -36.2 75 2.9 -33.6 200 63 302.2 302.2 282.8 303.5 0.39 18 400 6870 -39.1 -44.1 59 5.0 -39.4 205 69 304.2 304.2 283.3 304.8 0.19 19 378 7257 -41.9 -48.9 46 7.0 -42.2 205 73 305.4 305.5 283.7 305.9 0.12 20 367 7457 -43.4 -50.2 47 6.7 -43.7 205 75 306.0 306.0 284.0 306.4 0.11 21 337 8027 -47.9 -53.9 50 6.0 -48.1 205 70 307.4 307.5 284.5 307.7 0.07 22 300 8790 -51.5 -59.5 38 8.0 -51.7 205 64 312.8 312.8 286.4 312.9 0.04 23 298 8833 -51.7 -59.7 38 8.0 -51.9 205 62 313.1 313.1 286.5 313.2 0.04 24 292 8965 -51.9 -59.9 38 8.0 -52.1 206 61 314.6 314.6 287.0 314.8 0.04 25 269 9500 -48.1 -64.1 14 16.0 -48.5 211 55 327.6 327.6 291.0 327.7 0.03 26 260 9723 -48.7 -67.7 9 19.0 -49.1 213 53 329.9 329.9 291.7 330.0 0.02 27 257 9799 -49.3 -68.3 9 19.0 -49.7 213 52 330.2 330.2 291.7 330.2 0.02 28 250 9980 -49.3 -66.3 12 17.0 -49.7 215 50 332.8 332.8 292.5 332.9 0.02 29 221 10792 -47.7 -68.7 7 21.0 -48.2 221 41 347.2 347.2 296.0 347.3 0.02 30 200 11450 -49.3 -74.3 4 25.0 -49.8 225 33 354.7 354.7 297.7 354.7 0.01 31 174 12366 -48.1 -81.1 1 33.0 -48.8 220 28 371.1 371.1 300.8 371.1 0.00 32 150 13350 -45.7 -79.7 1 34.0 -46.7 215 23 391.3 391.3 304.0 391.3 0.00 33 129 14346 -48.7 -81.7 1 33.0 -49.6 208 18 403.2 403.2 305.6 403.2 0.00 34 124 14607 -45.7 -79.7 1 34.0 -46.9 206 16 413.2 413.2 306.9 413.2 0.01 35 101 15964 -47.7 -80.7 1 33.0 -48.8 195 9 434.3 434.3 309.3 434.4 0.01 36 100 16030 -48.1 -81.1 1 33.0 -49.3 195 9 434.8 434.8 309.3 434.8 0.01 37 70 18370 -49.5 -82.5 1 33.0 -50.8 205 11 478.5 478.5 313.3 478.5 0.01 38 63 19063 -48.3 -81.3 1 33.0 -50.0 169 10 495.8 495.8 314.7 495.8 0.01 39 50 20580 -50.1 -83.1 1 33.0 -51.8 90 7 525.4 525.4 316.6 525.5 0.01 40 30 23910 -51.1 -83.1 1 32.0 -53.4 100 9 605.3 605.3 320.9 605.4 0.01 41 20 26550 -50.1 -83.1 1 33.0 -53.5 95 7 682.8 682.8 323.9 683.0 0.02 42 18 27240 -50.9 -82.9 1 32.0 -54.4 98 9 701.2 701.2 324.5 701.4 0.02 43 10 31130 -45.1 -79.1 1 34.0 -52.7 115 21 851.2 851.2 328.4 852.0 0.08 44 7.1 33453 -38.1 -74.1 1 36.0 -51.0 967.6 967.7 330.7 970.4 0.24 TRP 298 8833 -51.7 -59.7 38 8.0 -51.9 205 62 313.1 313.1 286.5 313.2 0.04 WND 367 7457 -43.4 -50.2 47 6.7 -43.7 205 75 306.0 306.0 284.0 306.4 0.11 Sounding variables and indices 1000-500 mb thick: 5252.03 m Freezing level: 925.35 mb = 680.13 m = 2231.37 ft Wetbulb zero: 956.68 mb = 411.55 m = 1350.20 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 79.40 % Est. max temperature: 7.60 C = 45.68 F Sfc-Lift cond lev (LCL): 915.27 mb = 761.60 m = 2498.65 ft T: -0.77 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.02 C Layer 968.0- 899.0 mb Conv cond level (CCL): 859.00 mb = 1258.32 m = 4128.31 ft Mean mixing ratio: 3.10 g/kg Conv temperature: 7.39 C = 45.30 F Cap Strength: 7.25 C Lifted Index: 9.31 C Risk: None Lifted Index @300 mb: 17.80 C Lifted Index @700 mb: 2.48 C Showalter Index: 8.63 C Risk: None Total Totals Index: 45.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 22.40 C K Index: 15.80 Risk: < 20 % chance of thunderstorms Sweat Index: 86.00 Risk: None Energy Index: 2.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.34 J/kg Max Up Vert Vel: 3.27 m/s Conv Inhibition (B-): 67049.18 J/kg Cap Strength: 8.72 C Lift Cond Lev (LCL): 874.76 mb = 1116.64 m = 3663.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 215 at 26 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 1004 26 10 1 -0.2 -1.0 | 34 27 -15.0 -22.0 1 850 1340 140 15 -9.6 11.5 | 69 26 -24.5 -9.5 2 700 2839 180 35 0.0 35.0 | 133 20 -14.8 14.0 3 500 5310 195 56 14.5 54.1 | 179 33 -0.3 33.1 4 400 6870 205 69 29.2 62.5 | 199 44 14.3 41.6 5 367 7457 205 75 31.7 68.0 | 200 50 16.9 47.0 6 300 8790 205 64 27.0 58.0 | 198 39 12.2 37.0 7 298 8833 205 62 26.2 56.2 | 198 37 11.4 35.2 8 250 9980 215 50 28.7 41.0 | 215 24 13.8 20.0 9 200 11450 225 33 23.3 23.3 | 254 9 8.5 2.4 10 150 13350 215 23 13.2 18.8 | 38 3 -1.6 -2.1 11 100 16030 195 9 2.3 8.7 | 46 18 -12.5 -12.3 12 70 18370 205 11 4.6 10.0 | 43 15 -10.2 -11.0 13 50 20580 90 7 -7.0 0.0 | 46 30 -21.8 -21.0 14 30 23910 100 9 -8.9 1.6 | 51 31 -23.7 -19.4 15 20 26550 95 7 -7.0 0.6 | 47 30 -21.8 -20.4 16 10 31130 115 21 -19.0 8.9 | 70 36 -33.9 -12.1 Wind Parameters Mean winds (0-6000m): 185.3 at 34.2 knts Storm direction: 215.3 at 25.7 knts Shear (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 103.5 deg Storm rel helicity (0-3000m) pos: 319.3 neg: -0.7 tot: 318.6 m^2/s^2 ave: 106.2 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 7.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.04 Bulk Shear: 127.06 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 ------------------------------------------------------------------------------- 500 178 3 40 23| 5.9 0.0 5.9| 24.8 -0.7 24.0 48.1 0.48| 6.5 3.1 1000 145 6 49 24| 6.1 0.0 6.1|102.0 -0.7 101.2 101.2 0.77| 8.1 6.2 1500 138 9 56 25| 6.2 0.0 6.2|169.4 -0.7 168.7 112.5 0.80| 9.1 7.3 2000 145 12 63 24| 6.4 0.0 6.4|222.1 -0.7 221.3 110.7 0.84| 8.9 7.5 2500 155 15 71 22| 6.5 0.0 6.5|275.7 -0.7 275.0 110.0 0.87| 9.0 7.9 3000 164 18 80 20| 6.4 0.0 6.4|319.3 -0.7 318.6 106.2 0.89| 8.9 7.9 4000 173 24 99 18| 5.9 0.0 5.9|370.8 -0.7 370.1 92.5 0.89| 7.9 7.0 5000 180 29 119 17| 5.6 0.0 5.6|431.5 -0.7 430.7 86.1 0.88| 7.4 6.4 6000 185 34 138 18| 5.4 0.0 5.4|506.6 -0.7 505.9 84.3 0.86| 7.0 6.1 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250428.11.gif