UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:1200Z 27 APR 25 Station: BGAM WMO ident: 4360 Latitude: 65.60 Longitude: -37.63 Elevation: 52.00 ------------------------------------------------------------------------------- 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 997 52 4.8 2.2 83 2.6 3.6 340 3 278.2 279.0 276.9 290.5 4.49 1 967 300 2.8 0.5 85 2.3 1.8 357 9 278.6 279.3 276.6 289.9 4.10 2 897 901 -2.3 -2.3 100 0.0 -2.3 40 23 279.4 280.0 276.3 289.4 3.60 3 868 1160 -4.3 -4.3 100 0.0 -4.3 58 29 280.0 280.5 276.1 288.9 3.20 4 850 1325 -4.7 -4.7 100 0.0 -4.7 70 33 281.2 281.8 276.7 290.2 3.17 5 825 1560 -4.5 -4.5 100 0.0 -4.5 73 32 283.8 284.4 278.3 293.3 3.32 6 770 2101 -7.7 -7.7 100 0.0 -7.7 80 31 286.1 286.5 278.7 294.1 2.78 7 700 2836 -12.5 -12.5 100 0.0 -12.5 90 29 288.6 289.0 279.0 294.8 2.09 8 650 3397 -16.3 -16.8 96 0.5 -16.4 93 28 290.5 290.8 279.2 295.3 1.58 9 633 3595 -17.7 -17.9 98 0.2 -17.7 94 27 291.1 291.4 279.4 295.6 1.48 10 584 4192 -22.5 -22.5 100 0.0 -22.5 98 26 292.3 292.5 279.4 295.7 1.07 11 540 4761 -26.9 -26.9 100 0.0 -26.9 102 24 293.7 293.8 279.6 296.2 0.78 12 500 5310 -31.5 -32.3 93 0.8 -31.6 105 23 294.6 294.7 279.7 296.3 0.51 13 400 6850 -44.1 -46.4 78 2.3 -44.2 100 17 297.7 297.7 280.6 298.2 0.15 14 369 7387 -48.3 -50.1 81 1.8 -48.4 109 18 299.0 299.1 281.1 299.4 0.11 15 331 8097 -52.7 -55.0 76 2.3 -52.8 120 20 302.4 302.5 282.5 302.7 0.07 16 301 8709 -54.7 -58.6 62 3.9 -54.8 130 21 308.0 308.0 284.6 308.1 0.05 17 300 8730 -54.5 -58.4 62 3.9 -54.6 130 21 308.5 308.5 284.8 308.7 0.05 18 270 9408 -51.1 -62.1 26 11.0 -51.4 133 15 322.9 322.9 289.7 323.0 0.03 19 250 9910 -48.9 -56.9 39 8.0 -49.2 135 11 333.4 333.4 292.7 333.6 0.07 20 218 10810 -48.3 -56.3 39 8.0 -48.6 153 15 347.6 347.6 296.2 348.0 0.09 21 200 11380 -46.3 -57.3 28 11.0 -46.8 165 17 359.5 359.5 298.7 359.8 0.08 22 150 13290 -45.5 -74.5 2 29.0 -46.5 170 9 391.7 391.7 304.0 391.7 0.01 23 101 15914 -48.3 -81.3 1 33.0 -49.4 136 9 433.2 433.2 309.1 433.2 0.01 24 100 15980 -48.3 -81.3 1 33.0 -49.4 135 9 434.4 434.4 309.3 434.4 0.01 TRP 301 8709 -54.7 -58.6 62 3.9 -54.8 130 21 308.0 308.0 284.6 308.1 0.05 WND Sounding variables and indices 1000-500 mb thick: 5258.00 m Freezing level: 928.57 mb = 629.63 m = 2065.70 ft Wetbulb zero: 936.66 mb = 554.59 m = 1819.51 ft Precipitable water: 0.51 inches Sfc-500 mean rel hum: 97.62 % Est. max temperature: 8.14 C = 46.65 F Sfc-Lift cond lev (LCL): 957.81 mb = 375.98 m = 1233.51 ft T: 2.15 C 700-500 lapse rate: 7.68 C/km ThetaE index: 1.59 C Layer 967.0- 850.0 mb Conv cond level (CCL): 919.56 mb = 702.04 m = 2303.24 ft Mean mixing ratio: 3.98 g/kg Conv temperature: 5.76 C = 42.37 F Cap Strength: 4.60 C Lifted Index: 4.87 C Risk: None Lifted Index @300 mb: 13.30 C Lifted Index @700 mb: 3.24 C Showalter Index: 4.60 C Risk: None Total Totals Index: 53.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 26.80 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 181.00 Risk: None Energy Index: 1.27 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.48 J/kg Max Up Vert Vel: 4.12 m/s Conv Inhibition (B-): 0.82 J/kg Cap Strength: 4.84 C Lift Cond Lev (LCL): 923.92 mb = 664.20 m = 2179.10 ft Lev Free Conv (LFC): 908.92 mb = 795.15 m = 2608.72 ft Equ Level (EL): 848.92 mb = 1335.03 m = 4379.98 ft B at Equ Level: 7.27 J/kg Max Parcel Lev (MPL): 828.92 mb = 1522.86 m = 4996.19 ft Wind level data Storm motion: 118 at 19 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 ---------------------------------------------------------- 0 997 52 340 3 1.0 -2.8 | 303 21 17.6 -11.6 1 850 1325 70 33 -31.0 -11.3 | 36 25 -14.4 -20.1 2 700 2836 90 29 -29.0 0.0 | 55 15 -12.4 -8.8 3 500 5310 105 23 -22.2 6.0 | 63 6 -5.6 -2.8 4 400 6850 100 17 -16.7 3.0 | 1 6 -0.1 -5.8 5 301 8709 130 21 -16.1 13.5 | 186 5 0.5 4.7 6 300 8730 130 21 -16.1 13.5 | 186 5 0.5 4.7 7 250 9910 135 11 -7.8 7.8 | 277 9 8.8 -1.0 8 200 11380 165 17 -4.4 16.4 | 238 14 12.2 7.6 9 150 13290 170 9 -1.6 8.9 | 270 15 15.0 0.1 10 100 15980 135 9 -6.4 6.4 | 283 11 10.2 -2.4 Wind Parameters Mean winds (0-6000m): 87.9 at 25.0 knts Storm direction: 117.9 at 18.8 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 112.2 deg Storm rel helicity (0-3000m) pos: 311.8 neg: 0.0 tot: 311.8 m^2/s^2 ave: 103.9 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 8.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.21 Bulk Shear: 39.70 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 ------------------------------------------------------------------------------- 500 103 8 309 11| 12.8 0.0 12.8| 76.2 0.0 76.2 152.4 0.90| 13.5 12.2 1000 67 15 347 15| 13.2 0.0 13.2|197.4 0.0 197.4 197.4 0.96| 15.7 15.0 1500 66 20 6 17| 11.2 0.0 11.2|283.0 0.0 283.0 188.7 0.95| 15.2 14.4 2000 70 23 17 17| 8.2 0.0 8.2|295.9 0.0 295.9 147.9 0.92| 12.4 11.4 2500 73 25 24 17| 6.3 0.0 6.3|306.1 0.0 306.1 122.4 0.90| 10.7 9.6 3000 76 25 28 17| 5.1 0.0 5.1|311.8 0.0 311.8 103.9 0.87| 9.4 8.2 4000 81 26 35 16| 3.5 0.0 3.5|314.6 0.0 314.6 78.7 0.83| 7.5 6.3 5000 85 26 39 14| 2.6 0.0 2.6|315.9 0.0 315.9 63.2 0.79| 6.4 5.1 6000 88 25 41 13| 2.0 0.2 2.2|316.0 -4.3 311.7 51.9 0.70| 5.7 4.0 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20250427.12.gif