UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122023.upa.cvt Date: 2300Z 20 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 20 DEC 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 -1.1 -1.3 99 0.2 -1.2 0 0 272.3 272.9 272.1 281.7 3.48 1 966 304 -1.3 -1.3 100 0.0 -1.3 19 8 274.6 275.2 273.6 284.3 3.59 2 896 899 -4.5 -4.5 100 0.0 -4.5 64 27 277.2 277.7 274.4 285.7 3.05 3 870 1130 -5.7 -5.7 100 0.0 -5.7 81 34 278.3 278.8 274.8 286.3 2.87 4 850 1313 -4.5 -4.5 100 0.0 -4.5 95 40 281.4 282.0 276.9 290.5 3.22 5 802 1772 -3.3 -3.3 100 0.0 -3.3 111 39 287.4 288.1 280.5 298.2 3.73 6 769 2103 -5.3 -5.4 99 0.1 -5.4 123 39 288.7 289.3 280.6 298.4 3.32 7 700 2836 -9.3 -9.7 97 0.4 -9.4 150 38 292.2 292.7 281.3 300.0 2.61 8 634 3596 -14.3 -15.1 94 0.8 -14.5 168 35 294.9 295.2 281.6 300.6 1.86 9 625 3704 -14.7 -15.5 94 0.8 -14.9 170 35 295.6 296.0 281.8 301.3 1.83 10 593 4100 -19.1 -21.7 80 2.6 -19.7 180 34 295.0 295.2 280.7 298.6 1.14 11 585 4201 -19.3 -23.0 72 3.7 -20.1 182 33 295.9 296.1 281.0 299.2 1.03 12 572 4368 -19.9 -31.9 34 12.0 -21.7 186 33 297.1 297.2 280.7 298.6 0.46 13 555 4592 -20.3 -25.2 65 4.9 -21.2 191 32 299.2 299.4 282.2 302.1 0.89 14 550 4660 -18.5 -19.4 93 0.9 -18.7 193 32 302.1 302.4 284.1 306.9 1.50 15 535 4867 -18.3 -19.1 93 0.8 -18.5 198 31 304.8 305.1 285.2 309.8 1.58 16 500 5370 -20.9 -22.1 90 1.2 -21.2 210 29 307.6 307.8 285.9 311.8 1.30 17 400 6980 -32.5 -34.9 79 2.4 -32.8 225 33 312.7 312.8 286.9 314.5 0.49 18 338 8148 -39.7 -42.5 75 2.8 -39.9 240 36 318.4 318.4 288.5 319.3 0.27 19 300 8950 -46.9 -50.1 70 3.2 -47.0 250 38 319.3 319.3 288.6 319.7 0.13 20 276 9496 -51.3 -55.4 61 4.1 -51.4 257 39 320.6 320.6 289.0 320.9 0.08 21 250 10130 -57.1 -60.8 63 3.7 -57.2 265 40 321.2 321.2 289.2 321.3 0.04 22 225 10787 -63.1 -66.3 65 3.2 -63.1 263 51 321.8 321.8 289.3 321.9 0.02 23 200 11500 -69.3 -72.0 68 2.7 -69.3 260 64 323.0 323.0 289.7 323.1 0.01 24 194 11681 -70.1 -73.0 66 2.9 -70.1 260 69 324.6 324.6 290.2 324.6 0.01 25 188 11869 -68.5 -70.9 71 2.4 -68.5 260 75 330.1 330.1 291.7 330.1 0.01 26 186 11933 -68.1 -70.6 69 2.6 -68.1 260 77 331.8 331.8 292.2 331.8 0.01 27 179 12164 -66.5 -69.7 64 3.2 -66.5 259 73 338.0 338.0 293.9 338.1 0.02 28 157 12949 -70.3 -75.1 49 4.8 -70.4 256 57 344.5 344.5 295.4 344.5 0.01 29 150 13220 -70.3 -75.1 49 4.8 -70.4 255 52 349.0 349.0 296.4 349.0 0.01 30 143 13507 -66.3 -73.3 37 7.0 -66.4 256 51 360.8 360.8 298.8 360.8 0.01 31 101 15610 -67.9 -80.9 14 13.0 -68.0 260 44 395.4 395.4 304.6 395.4 0.01 32 100 15670 -68.1 -81.1 14 13.0 -68.2 260 44 396.2 396.2 304.7 396.2 0.01 33 87 16505 -68.9 -91.9 2 23.0 -69.0 258 44 410.6 410.6 306.6 410.6 0.00 34 70 17800 -70.7 -93.7 2 23.0 -70.8 255 44 433.1 433.1 309.1 433.1 0.00 35 54 19329 -73.7 -95.7 2 22.0 -73.8 267 55 459.6 459.6 311.7 459.6 0.00 36 50 19780 -72.9 -94.9 2 22.0 -73.0 270 58 471.7 471.7 312.8 471.7 0.00 37 30 22760 -74.1 -95.1 3 21.0 -74.2 280 68 542.6 542.6 317.7 542.6 0.00 38 28 23162 -73.5 -94.5 3 21.0 -73.7 282 69 555.1 555.1 318.3 555.1 0.00 39 20 25110 -76.9 -96.9 3 20.0 -77.0 290 75 600.8 600.8 320.6 600.8 0.00 40 18 25713 -78.7 -97.7 3 19.0 -78.8 613.5 613.5 321.2 613.5 0.00 TRP 194 11681 -70.1 -73.0 66 2.9 -70.1 260 69 324.6 324.6 290.2 324.6 0.01 WND 186 11933 -68.1 -70.6 69 2.6 -68.1 260 77 331.8 331.8 292.2 331.8 0.01 Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.57 inches Sfc-500 mean rel hum: 92.27 % Est. max temperature: 8.40 C = 47.12 F Sfc-Lift cond lev (LCL): 993.71 mb = 78.32 m = 256.96 ft T: -1.12 C 700-500 lapse rate: 4.58 C/km Conv cond level (CCL): 939.48 mb = 524.04 m = 1719.28 ft Mean mixing ratio: 3.39 g/kg Conv temperature: 2.16 C = 35.88 F Cap Strength: 17.89 C Lifted Index: 19.57 C Risk: None Lifted Index @300 mb: 24.74 C Lifted Index @700 mb: 10.13 C Showalter Index: 14.94 C Risk: None Total Totals Index: 32.80 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 16.40 C K Index: 11.50 Risk: None Sweat Index: 109.00 Risk: None Energy Index: 4.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.75 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 42404.83 J/kg Cap Strength: 19.33 C Lift Cond Lev (LCL): 945.25 mb = 475.56 m = 1560.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 183 at 24 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 0 0 -0.0 -0.0 | 3 24 -1.1 -23.7 1 850 1313 95 40 -39.8 3.5 | 64 46 -40.9 -20.3 2 700 2836 150 38 -19.0 32.9 | 115 22 -20.1 9.2 3 500 5370 210 29 14.5 25.1 | 264 14 13.4 1.4 4 400 6980 225 33 23.3 23.3 | 271 22 22.3 -0.4 5 300 8950 250 38 35.7 13.0 | 287 36 34.7 -10.7 6 250 10130 265 40 39.8 3.5 | 298 44 38.8 -20.3 7 200 11500 260 64 63.0 11.1 | 282 63 62.0 -12.6 8 194 11681 260 69 68.0 12.0 | 280 68 66.9 -11.8 9 186 11933 260 77 75.8 13.4 | 278 75 74.8 -10.4 10 150 13220 255 52 50.2 13.5 | 282 50 49.2 -10.3 11 100 15670 260 44 43.3 7.6 | 291 45 42.3 -16.1 12 70 17800 255 44 42.5 11.4 | 287 43 41.4 -12.4 13 50 19780 270 58 58.0 -0.0 | 293 62 56.9 -23.7 14 30 22760 280 68 67.0 -11.8 | 298 75 65.9 -35.6 15 20 25110 290 75 70.5 -25.7 | 305 85 69.4 -49.4 Wind Parameters Mean winds (0-6000m): 152.5 at 31.7 knts Storm direction: 182.5 at 23.8 knts Shear (0-3000m) pos: 6.4 neg: 0.0 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 118.4 deg Storm rel helicity (0-3000m) pos: 758.8 neg: 0.0 tot: 758.8 m^2/s^2 ave: 252.9 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 16.3 stream: 12.9 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.20 Bulk Shear: 83.70 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 ------------------------------------------------------------------------------- 500 135 7 17 20| 16.3 0.0 16.3| 71.4 0.0 71.4 142.7 0.48| 17.4 8.3 1000 100 16 38 27| 16.3 0.0 16.3|305.8 0.0 305.8 305.8 0.74| 20.2 14.9 1500 96 23 48 32| 13.6 0.0 13.6|539.5 0.0 539.5 359.7 0.81| 20.6 16.7 2000 102 27 56 33| 10.0 0.0 10.0|638.1 0.0 638.1 319.0 0.81| 18.6 15.0 2500 109 29 64 32| 7.9 0.0 7.9|712.5 0.0 712.5 285.0 0.80| 17.4 13.9 3000 116 31 71 30| 6.4 0.0 6.4|758.8 0.0 758.8 252.9 0.79| 16.3 12.9 4000 130 32 83 26| 4.3 0.0 4.3|802.3 0.0 802.3 200.6 0.79| 14.1 11.2 5000 142 32 94 21| 3.1 0.0 3.1|835.3 0.0 835.3 167.1 0.81| 12.7 10.3 6000 153 32 106 16| 2.6 0.0 2.6|849.0 0.0 849.0 141.5 0.79| 11.3 8.9 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251220.23.gif