UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121811.upa.cvt Date: 1100Z 18 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:1100Z 18 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 982 52 -0.5 -5.5 69 5.0 -2.3 55 3 274.1 274.5 271.8 281.2 2.58 1 965 192 0.4 -11.6 40 12.0 -3.3 46 3 276.4 276.6 271.7 281.0 1.63 2 952 300 -0.3 -12.3 40 12.0 -4.0 39 3 276.7 277.0 271.8 281.2 1.56 3 905 702 -3.3 -12.3 50 9.0 -6.0 13 4 277.7 277.9 272.5 282.4 1.64 4 883 896 -4.9 -15.9 42 11.0 -7.8 360 4 278.0 278.2 272.1 281.6 1.25 5 850 1196 -4.1 -18.1 33 14.0 -7.8 340 5 281.9 282.0 274.0 285.1 1.08 6 757 2096 -11.9 -18.9 56 7.0 -13.5 7 4 282.9 283.1 274.7 286.3 1.13 7 700 2689 -17.7 -20.1 81 2.4 -18.2 25 3 282.9 283.1 274.6 286.2 1.11 8 681 2894 -19.5 -20.8 89 1.3 -19.8 23 4 283.1 283.3 274.7 286.3 1.07 9 654 3193 -21.3 -22.7 88 1.4 -21.5 19 5 284.4 284.5 275.2 287.2 0.94 10 619 3596 -23.7 -28.7 63 5.0 -24.4 14 7 286.1 286.2 275.6 287.9 0.58 11 605 3762 -24.9 -28.3 73 3.4 -25.4 12 7 286.6 286.7 275.9 288.5 0.61 12 584 4018 -26.1 -36.1 39 10.0 -27.2 9 8 288.1 288.2 276.2 289.1 0.30 13 570 4193 -27.9 -37.9 38 10.0 -28.8 7 9 288.0 288.1 276.1 288.9 0.26 14 510 4981 -33.5 -48.5 21 15.0 -34.3 357 12 290.5 290.6 277.1 290.9 0.09 15 500 5120 -33.9 -49.9 18 16.0 -34.7 355 13 291.7 291.7 277.6 292.0 0.08 16 492 5234 -34.5 -50.5 18 16.0 -35.3 354 14 292.3 292.3 277.9 292.6 0.08 17 467 5601 -33.1 -60.1 5 27.0 -34.2 352 18 298.5 298.5 280.7 298.5 0.02 18 400 6680 -40.1 -54.1 21 14.0 -40.6 345 29 302.9 302.9 282.6 303.1 0.06 19 372 7172 -41.9 -51.9 33 10.0 -42.3 344 31 306.8 306.9 284.2 307.2 0.09 20 339 7796 -44.9 -56.9 25 12.0 -45.3 342 32 311.0 311.0 285.8 311.2 0.05 21 300 8600 -51.5 -61.5 29 10.0 -51.7 340 35 312.8 312.8 286.4 312.9 0.03 22 250 9760 -59.9 -68.9 30 9.0 -60.0 355 35 317.0 317.0 287.8 317.1 0.01 23 243 9936 -61.3 -71.3 25 10.0 -61.4 353 34 317.5 317.5 287.9 317.5 0.01 24 219 10571 -66.3 -72.3 43 6.0 -66.3 346 29 319.4 319.4 288.5 319.4 0.01 25 217 10626 -66.9 -72.9 42 6.0 -67.0 345 29 319.3 319.3 288.5 319.3 0.01 26 211 10795 -66.5 -72.5 43 6.0 -66.5 340 26 322.5 322.5 289.5 322.5 0.01 27 200 11120 -63.1 -70.1 38 7.0 -63.1 330 21 332.8 332.8 292.5 332.9 0.02 28 180 11766 -65.5 -75.5 24 10.0 -65.5 314 16 339.1 339.1 294.1 339.1 0.01 29 171 12083 -60.3 -76.3 11 16.0 -60.4 305 13 352.7 352.7 297.2 352.8 0.01 30 165 12305 -61.1 -82.1 5 21.0 -61.3 300 12 355.0 355.0 297.7 355.0 0.00 31 150 12900 -60.1 -81.1 5 21.0 -60.3 285 7 366.5 366.5 299.9 366.6 0.00 32 116 14481 -66.9 -92.9 1 26.0 -67.0 269 16 381.9 381.9 302.5 381.9 0.00 33 101 15320 -66.3 -94.3 1 28.0 -66.4 261 21 398.5 398.5 305.0 398.5 0.00 34 100 15380 -65.9 -93.9 1 28.0 -66.0 260 21 400.4 400.4 305.3 400.4 0.00 35 83 16510 -65.5 -93.5 1 28.0 -65.7 265 20 423.1 423.1 308.1 423.1 0.00 36 70 17540 -67.5 -94.5 1 27.0 -67.7 270 19 440.0 440.0 309.8 440.0 0.00 37 57 18761 -72.9 -98.9 1 26.0 -73.0 276 23 454.4 454.4 311.3 454.4 0.00 38 50 19530 -72.3 -98.3 1 26.0 -72.4 280 25 473.1 473.1 312.9 473.1 0.00 39 33 21957 -73.7 -98.7 1 25.0 -73.8 284 28 529.1 529.1 316.9 529.1 0.00 40 30 22510 -74.9 -99.9 1 25.0 -75.0 285 29 540.5 540.5 317.5 540.5 0.00 41 22 24281 -80.3 -104.3 1 24.0 -80.4 281 32 574.5 574.5 319.4 574.5 0.00 42 20 24820 -79.3 -103.3 1 24.0 -79.4 280 33 593.4 593.4 320.3 593.4 0.00 43 10 28790 -72.9 -98.9 1 26.0 -73.4 280 38 747.4 747.4 325.8 747.4 0.00 TRP 217 10626 -66.9 -72.9 42 6.0 -67.0 345 29 319.3 319.3 288.5 319.3 0.01 WND Sounding variables and indices Freezing level: Surface below freezing Freezing level: 972.56 mb = 129.59 m = 425.15 ft Freezing level: 957.57 mb = 253.66 m = 832.20 ft Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 51.95 % Est. max temperature: 7.45 C = 45.41 F Sfc-Lift cond lev (LCL): 908.10 mb = 675.26 m = 2215.39 ft T: -3.10 C 700-500 lapse rate: 6.66 C/km ThetaE index: 0.76 C Layer 883.0- 850.0 mb Conv cond level (CCL): 725.94 mb = 2413.53 m = 7918.31 ft Mean mixing ratio: 1.64 g/kg Conv temperature: 8.29 C = 46.92 F Cap Strength: 7.91 C Lifted Index: 8.74 C Risk: None Lifted Index @300 mb: 22.07 C Lifted Index @700 mb: 3.78 C Showalter Index: 6.07 C Risk: None Total Totals Index: 45.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.80 C Cross Totals Index: 15.80 C K Index: 9.30 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 1.40 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.16 J/kg Max Up Vert Vel: 4.51 m/s Conv Inhibition (B-): 53501.73 J/kg Cap Strength: 8.44 C Lift Cond Lev (LCL): 793.54 mb = 1730.06 m = 5675.97 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 27 at 6 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 ---------------------------------------------------------- 0 982 52 55 3 -2.5 -1.7 | 184 4 0.2 3.5 1 850 1196 340 5 1.7 -4.7 | 263 4 4.4 0.6 2 700 2689 25 3 -1.3 -2.7 | 209 3 1.4 2.5 3 500 5120 355 13 1.1 -13.0 | 334 9 3.8 -7.7 4 400 6680 345 29 7.5 -28.0 | 336 25 10.2 -22.8 5 300 8600 340 35 12.0 -32.9 | 332 31 14.7 -27.6 6 250 9760 355 35 3.1 -34.9 | 349 30 5.7 -29.6 7 217 10626 345 29 7.5 -28.0 | 336 25 10.2 -22.8 8 200 11120 330 21 10.5 -18.2 | 314 18 13.2 -12.9 9 150 12900 285 7 6.8 -1.8 | 250 10 9.4 3.4 10 100 15380 260 21 20.7 3.6 | 249 25 23.4 8.9 11 70 17540 270 19 19.0 -0.0 | 256 22 21.7 5.3 12 50 19530 280 25 24.6 -4.3 | 268 27 27.3 0.9 13 30 22510 285 29 28.0 -7.5 | 274 31 30.7 -2.3 14 20 24820 280 33 32.5 -5.7 | 271 35 35.2 -0.5 15 10 28790 280 38 37.4 -6.6 | 272 40 40.1 -1.3 Wind Parameters Mean winds (0-6000m): 357.1 at 7.9 knts Storm direction: 27.1 at 5.9 knts Shear (0-3000m) pos: 0.4 neg: 0.9 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 43.0 deg Storm rel helicity (0-3000m) pos: 2.5 neg: -2.1 tot: 0.5 m^2/s^2 ave: 0.2 10^-3 m/s^2 rel: 0.12 Storm rel vorticity (0-3000m) horiz: 1.8 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.74 Bulk Shear: 3.71 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 29 3 205 3| 0.0 2.2 2.2| 0.9 0.0 0.9 1.8 0.64| 2.2 1.4 1000 12 4 232 2| 0.0 2.3 2.3| 2.1 0.0 2.1 2.1 0.68| 2.5 1.7 1500 0 4 248 3| 0.1 1.5 1.6| 2.2 -0.4 1.9 1.2 0.48| 2.2 1.0 2000 359 4 249 3| 0.4 1.1 1.5| 2.2 -1.2 1.1 0.5 0.27| 2.0 0.5 2500 0 4 246 3| 0.5 0.9 1.5| 2.2 -1.9 0.3 0.1 0.10| 1.8 0.2 3000 3 4 242 3| 0.4 0.9 1.3| 2.5 -2.1 0.5 0.2 0.12| 1.8 0.2 4000 6 5 253 2| 0.3 1.2 1.5| 3.5 -2.1 1.5 0.4 0.26| 1.9 0.5 5000 1 6 284 3| 0.3 1.4 1.7| 3.6 -2.8 0.9 0.2 0.18| 2.0 0.4 6000 357 8 310 4| 0.2 2.0 2.3| 5.7 -3.0 2.7 0.4 0.14| 2.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251218.11.gif