UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120423.upa.cvt Date: 2300Z 4 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 4 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 1009 52 -5.7 -8.8 79 3.1 -6.6 0 0 266.8 267.1 266.0 272.0 1.94 1 977 304 -5.7 -10.3 70 4.6 -7.0 12 5 269.2 269.5 267.4 274.1 1.78 2 923 744 -9.3 -11.1 87 1.8 -9.8 34 14 270.0 270.3 267.9 274.9 1.77 3 904 904 -10.5 -19.5 48 9.0 -12.3 42 17 270.3 270.5 266.6 272.9 0.90 4 895 981 -9.7 -19.7 44 10.0 -11.8 45 19 271.9 272.1 267.7 274.5 0.89 5 850 1376 -12.3 -27.3 27 15.0 -14.7 65 27 273.3 273.3 267.8 274.7 0.48 6 819 1660 -11.7 -32.7 16 21.0 -14.8 63 26 276.8 276.9 269.8 277.7 0.30 7 773 2101 -13.3 -35.3 14 22.0 -16.3 60 25 279.7 279.7 271.4 280.5 0.25 8 749 2341 -14.5 -38.5 11 24.0 -17.4 58 24 280.9 281.0 272.1 281.5 0.18 9 700 2851 -16.5 -41.5 10 25.0 -19.3 55 23 284.2 284.2 273.8 284.7 0.14 10 692 2937 -16.7 -42.7 9 26.0 -19.5 55 23 284.9 284.9 274.2 285.4 0.13 11 664 3246 -18.9 -43.9 9 25.0 -21.3 57 21 285.8 285.9 274.7 286.2 0.12 12 633 3601 -21.1 -36.1 25 15.0 -22.9 58 19 287.3 287.3 275.7 288.2 0.28 13 620 3754 -22.1 -34.1 33 12.0 -23.6 59 19 287.8 287.9 276.1 288.9 0.34 14 591 4106 -23.1 -49.1 7 26.0 -25.1 60 17 290.6 290.7 277.1 290.9 0.07 15 583 4205 -24.1 -49.1 8 25.0 -26.0 60 16 290.6 290.6 277.1 290.9 0.08 16 545 4694 -26.7 -53.7 6 27.0 -28.3 62 14 293.2 293.2 278.3 293.3 0.05 17 500 5310 -31.9 -57.9 6 26.0 -33.1 65 11 294.1 294.2 278.7 294.3 0.03 18 400 6840 -43.9 -62.9 10 19.0 -44.3 90 9 297.9 297.9 280.4 298.0 0.02 19 366 7433 -47.9 -50.9 71 3.0 -48.0 113 11 300.3 300.3 281.6 300.6 0.10 20 308 8553 -56.5 -61.5 53 5.0 -56.6 158 16 303.4 303.4 282.8 303.5 0.03 21 300 8720 -57.9 -62.4 56 4.5 -58.0 165 17 303.7 303.7 283.0 303.8 0.03 22 250 9840 -66.5 -70.8 55 4.3 -66.5 205 15 307.2 307.2 284.2 307.2 0.01 23 246 9937 -67.1 -71.2 56 4.1 -67.1 195 13 307.7 307.7 284.5 307.8 0.01 24 237 10163 -66.1 -68.7 70 2.6 -66.1 199 14 312.5 312.5 286.2 312.6 0.02 25 214 10784 -63.7 -73.7 24 10.0 -63.8 208 16 325.5 325.5 290.5 325.6 0.01 26 200 11200 -62.7 -77.7 12 15.0 -62.8 215 17 333.5 333.5 292.7 333.5 0.00 27 165 12395 -60.5 -82.5 4 22.0 -60.7 235 21 356.0 356.0 297.9 356.0 0.00 28 150 12990 -60.7 -85.7 2 25.0 -60.9 245 23 365.5 365.5 299.8 365.5 0.00 29 101 15448 -62.3 -91.3 1 29.0 -62.5 265 19 406.2 406.2 306.0 406.2 0.00 30 100 15510 -62.7 -91.7 1 29.0 -62.9 265 19 406.6 406.6 306.1 406.6 0.00 31 70 17710 -62.7 -91.7 1 29.0 -63.0 260 27 450.2 450.2 310.9 450.3 0.00 32 50 19780 -64.1 -92.1 1 28.0 -64.4 290 29 492.4 492.4 314.4 492.4 0.00 33 30 22910 -64.5 -92.5 1 28.0 -65.0 320 38 568.8 568.8 319.1 568.8 0.00 34 20 25410 -62.7 -91.7 1 29.0 -63.7 335 42 644.2 644.3 322.4 644.3 0.00 35 11 29094 -64.1 -92.1 1 28.0 -65.5 348 79 759.3 759.3 326.2 759.3 0.01 36 10 29680 -63.1 -92.1 1 29.0 -64.8 350 85 784.0 784.0 326.8 784.1 0.01 37 6.0 32851 -59.3 -89.3 1 29.9 -62.9 5 126 923.5 923.6 329.9 923.8 0.02 38 5.8 33063 -59.1 -89.1 1 30.0 -62.9 933.6 933.6 330.1 933.9 0.02 TRP 246 9937 -67.1 -71.2 56 4.1 -67.1 195 13 307.7 307.7 284.5 307.8 0.01 WND 6.0 32851 -59.3 -89.3 1 29.9 -62.9 5 126 923.5 923.6 329.9 923.8 0.02 Sounding variables and indices 1000-500 mb thick: 5188.06 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 24.52 % Est. max temperature: 0.54 C = 32.98 F Sfc-Lift cond lev (LCL): 960.54 mb = 435.29 m = 1428.09 ft T: -6.78 C 700-500 lapse rate: 6.26 C/km ThetaE index: 1.93 C Layer 904.0- 895.0 mb Conv cond level (CCL): 850.53 mb = 1371.25 m = 4498.80 ft Mean mixing ratio: 1.75 g/kg Conv temperature: 0.80 C = 33.44 F Cap Strength: 16.52 C Lifted Index: 16.77 C Risk: None Lifted Index @300 mb: 21.06 C Lifted Index @700 mb: 10.78 C Showalter Index: 16.21 C Risk: None Total Totals Index: 24.20 C Risk: None Vertical Totals Index: 19.60 C Cross Totals Index: 4.60 C K Index: -32.70 Risk: None Sweat Index: 65.00 Risk: None Energy Index: 4.21 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.91 J/kg Max Up Vert Vel: 4.67 m/s Conv Inhibition (B-): 59281.66 J/kg Cap Strength: 16.73 C Lift Cond Lev (LCL): 905.53 mb = 891.35 m = 2924.35 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 91 at 13 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 1009 52 0 0 -0.0 -0.0 | 271 13 13.0 -0.2 1 850 1376 65 27 -24.5 -11.4 | 44 16 -11.5 -11.7 2 700 2851 55 23 -18.8 -13.2 | 23 15 -5.8 -13.4 3 500 5310 65 11 -10.0 -4.6 | 328 6 3.1 -4.9 4 400 6840 90 9 -9.0 0.0 | 273 4 4.0 -0.2 5 300 8720 165 17 -4.4 16.4 | 208 18 8.6 16.2 6 250 9840 205 15 6.3 13.6 | 235 24 19.4 13.4 7 246 9937 195 13 3.4 12.6 | 233 20 16.4 12.3 8 200 11200 215 17 9.8 13.9 | 239 27 22.8 13.7 9 150 12990 245 23 20.8 9.7 | 254 35 33.9 9.5 10 100 15510 265 19 18.9 1.7 | 267 32 31.9 1.4 11 70 17710 260 27 26.6 4.7 | 264 40 39.6 4.4 12 50 19780 290 29 27.3 -9.9 | 284 42 40.3 -10.2 13 30 22910 320 38 24.4 -29.1 | 308 48 37.4 -29.4 14 20 25410 335 42 17.7 -38.1 | 321 49 30.8 -38.3 15 10 29680 350 85 14.8 -83.7 | 342 88 27.8 -84.0 Wind Parameters Mean winds (0-6000m): 61.1 at 17.4 knts Storm direction: 91.1 at 13.0 knts Shear (0-3000m) pos: 4.5 neg: 1.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 111.3 deg Storm rel helicity (0-3000m) pos: 112.0 neg: -22.8 tot: 89.2 m^2/s^2 ave: 29.7 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.38 Bulk Shear: 28.55 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 ------------------------------------------------------------------------------- 500 107 4 263 9| 10.5 0.0 10.5| 36.0 0.0 36.0 72.0 1.00| 10.8 10.8 1000 71 10 314 5| 10.5 0.0 10.5| 78.1 0.0 78.1 78.1 1.00| 11.7 11.6 1500 65 15 5 7| 9.1 0.0 9.1|112.0 -1.7 110.4 73.6 0.96| 11.0 10.6 2000 64 18 19 8| 6.8 0.5 7.3|112.0 -9.8 102.3 51.1 0.85| 8.8 7.4 2500 63 19 24 10| 5.5 0.8 6.3|112.0 -17.5 94.6 37.8 0.75| 7.4 5.6 3000 61 20 24 11| 4.5 1.0 5.5|112.0 -22.8 89.2 29.7 0.67| 6.6 4.4 4000 60 20 23 11| 2.8 0.7 3.5|112.0 -28.8 83.3 20.8 0.54| 5.6 3.0 5000 60 19 19 10| 1.8 0.6 2.4|112.0 -36.0 76.0 15.2 0.41| 5.0 2.0 6000 61 17 14 9| 1.3 0.5 1.8|112.0 -40.1 72.0 12.0 0.32| 4.5 1.4 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251204.23.gif