UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120811.upa.cvt Date: 1100Z 8 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 8 DEC 25 Station: BGSC WMO ident: 4339 Latitude: 70.48 Longitude: -21.95 Elevation: 69.00 ------------------------------------------------------------------------------- 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 69 -7.7 -8.8 92 1.1 -8.0 0 0 264.8 265.1 264.6 270.0 1.94 1 979 304 -5.9 -6.6 95 0.7 -6.1 11 2 268.9 269.3 268.2 275.3 2.38 2 907 898 -7.9 -8.1 98 0.2 -7.9 37 8 272.8 273.1 270.6 279.1 2.28 3 850 1399 -9.3 -9.8 96 0.5 -9.5 60 13 276.4 276.8 272.5 282.4 2.13 4 797 1895 -10.9 -11.8 93 0.9 -11.2 73 12 279.8 280.2 274.2 285.4 1.94 5 776 2100 -12.3 -13.4 91 1.1 -12.6 79 12 280.5 280.8 274.3 285.5 1.75 6 700 2879 -18.5 -20.2 86 1.7 -18.8 100 11 282.0 282.2 274.2 285.3 1.10 7 671 3193 -21.1 -23.0 85 1.9 -21.4 113 13 282.5 282.7 274.1 285.2 0.89 8 665 3259 -20.3 -22.4 83 2.1 -20.7 115 13 284.1 284.3 275.1 287.0 0.95 9 635 3598 -23.1 -25.8 78 2.7 -23.5 129 15 284.7 284.9 275.1 287.0 0.74 10 600 4012 -24.9 -29.4 66 4.5 -25.5 146 17 287.3 287.4 276.2 289.1 0.56 11 585 4195 -26.3 -31.3 63 5.0 -26.9 153 18 287.8 287.8 276.3 289.3 0.48 12 523 4994 -32.3 -38.3 55 6.0 -32.8 187 23 289.9 290.0 277.0 290.8 0.27 13 500 5310 -34.1 -38.2 66 4.1 -34.4 200 25 291.5 291.5 277.9 292.4 0.28 14 493 5409 -34.5 -38.2 69 3.7 -34.8 201 24 292.2 292.2 278.2 293.1 0.29 15 416 6577 -43.5 -45.3 82 1.8 -43.6 208 15 295.1 295.2 279.4 295.7 0.16 16 400 6840 -45.5 -48.9 68 3.4 -45.6 210 13 295.9 295.9 279.7 296.2 0.11 17 363 7479 -50.5 -54.3 64 3.8 -50.6 222 16 297.5 297.5 280.3 297.7 0.07 18 318 8330 -55.9 -59.9 61 4.0 -55.9 238 21 301.5 301.5 282.0 301.6 0.04 19 300 8700 -56.5 -62.5 47 6.0 -56.6 245 23 305.7 305.7 283.7 305.8 0.03 20 254 9751 -60.1 -67.1 39 7.0 -60.2 250 21 315.3 315.3 287.2 315.4 0.02 21 250 9850 -60.1 -67.1 39 7.0 -60.2 260 21 316.7 316.7 287.7 316.8 0.02 22 227 10452 -60.1 -69.1 30 9.0 -60.2 251 18 325.6 325.6 290.5 325.6 0.02 23 215 10790 -60.9 -69.9 30 9.0 -61.0 246 17 329.4 329.4 291.6 329.5 0.01 24 200 11240 -60.7 -70.7 26 10.0 -60.8 240 15 336.6 336.6 293.5 336.7 0.01 25 160 12628 -59.3 -73.3 15 14.0 -59.5 263 17 361.2 361.2 299.0 361.2 0.01 26 150 13030 -60.9 -74.9 14 14.0 -61.0 270 17 365.2 365.2 299.7 365.2 0.01 27 121 14367 -61.5 -87.5 2 26.0 -61.7 275 19 387.2 387.2 303.3 387.2 0.00 28 105 15248 -61.5 -88.5 2 27.0 -61.7 279 21 403.2 403.2 305.6 403.2 0.00 29 101 15488 -62.5 -91.5 1 29.0 -62.7 280 21 405.8 405.8 306.0 405.8 0.00 30 100 15550 -62.5 -91.5 1 29.0 -62.7 280 21 407.0 407.0 306.1 407.0 0.00 31 70 17720 -65.3 -92.3 1 27.0 -65.5 280 31 444.7 444.7 310.3 444.7 0.00 32 50 19750 -70.1 -95.1 1 25.0 -70.2 270 42 478.3 478.3 313.3 478.3 0.00 33 30 22740 -75.7 -98.7 2 23.0 -75.8 290 66 538.3 538.3 317.4 538.3 0.00 34 20 25080 -76.5 -99.5 1 23.0 -76.7 290 75 602.0 602.0 320.7 602.0 0.00 35 11 28473 -79.8 -101.1 2 21.3 -80.0 295 87 702.4 702.4 324.5 702.4 0.00 36 10 29010 -80.3 -101.3 2 21.0 -80.5 290 75 719.8 719.8 325.0 719.8 0.00 TRP 254 9751 -60.1 -67.1 39 7.0 -60.2 250 21 315.3 315.3 287.2 315.4 0.02 WND 11 28473 -79.8 -101.1 2 21.3 -80.0 295 87 702.4 702.4 324.5 702.4 0.00 Sounding variables and indices 1000-500 mb thick: 5171.33 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 81.76 % Est. max temperature: 3.37 C = 38.06 F Sfc-Lift cond lev (LCL): 991.29 mb = 206.69 m = 678.10 ft T: -6.64 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.32 C Layer 700.0- 665.0 mb Conv cond level (CCL): 883.84 mb = 1097.35 m = 3600.19 ft Mean mixing ratio: 2.28 g/kg Conv temperature: 1.76 C = 35.16 F Cap Strength: 12.09 C Lifted Index: 13.11 C Risk: None Lifted Index @300 mb: 21.18 C Lifted Index @700 mb: 7.32 C Showalter Index: 7.95 C Risk: None Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.80 C Cross Totals Index: 24.30 C K Index: 13.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 24.20 J/kg Max Up Vert Vel: 6.96 m/s Conv Inhibition (B-): 50911.52 J/kg Cap Strength: 12.74 C Lift Cond Lev (LCL): 948.66 mb = 548.39 m = 1799.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 184 at 11 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 69 0 0 -0.0 -0.0 | 4 11 -0.8 -10.9 1 850 1399 60 13 -11.3 -6.5 | 35 21 -12.0 -17.4 2 700 2879 100 11 -10.8 1.9 | 52 15 -11.6 -9.0 3 500 5310 200 25 8.6 23.5 | 212 15 7.8 12.5 4 400 6840 210 13 6.5 11.3 | 267 6 5.7 0.3 5 300 8700 245 23 20.8 9.7 | 273 20 20.1 -1.2 6 254 9751 250 21 19.7 7.2 | 281 19 19.0 -3.8 7 250 9850 260 21 20.7 3.6 | 290 21 19.9 -7.3 8 200 11240 240 15 13.0 7.5 | 286 13 12.2 -3.4 9 150 13030 270 17 17.0 -0.0 | 304 20 16.2 -10.9 10 100 15550 280 21 20.7 -3.6 | 306 25 19.9 -14.6 11 70 17720 280 31 30.5 -5.4 | 299 34 29.8 -16.3 12 50 19750 270 42 42.0 -0.0 | 285 43 41.2 -10.9 13 30 22740 290 66 62.0 -22.6 | 299 70 61.2 -33.5 14 20 25080 290 75 70.5 -25.7 | 298 79 69.7 -36.6 15 11 28473 295 87 78.8 -36.8 | 301 91 78.1 -47.7 16 10 29010 290 75 70.5 -25.7 | 298 79 69.7 -36.6 Wind Parameters Mean winds (0-6000m): 154.1 at 14.6 knts Storm direction: 184.1 at 11.0 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 55.4 deg Storm rel helicity (0-3000m) pos: 81.0 neg: 0.0 tot: 81.0 m^2/s^2 ave: 27.0 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 4.4 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.01 Bulk Shear: 23.95 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 ------------------------------------------------------------------------------- 500 102 2 15 11| 5.0 0.0 5.0| 5.3 0.0 5.3 10.6 0.28| 5.2 1.4 1000 65 5 21 14| 5.0 0.0 5.0| 25.2 0.0 25.2 25.2 0.53| 5.5 2.9 1500 60 7 26 16| 4.4 0.0 4.4| 51.3 0.0 51.3 34.2 0.65| 5.5 3.6 2000 64 8 30 17| 3.1 0.0 3.1| 62.4 0.0 62.4 31.2 0.66| 4.9 3.2 2500 69 9 33 17| 2.3 0.0 2.3| 70.4 0.0 70.4 28.2 0.66| 4.5 3.0 3000 74 10 36 17| 2.1 0.0 2.1| 81.0 0.0 81.0 27.0 0.67| 4.4 2.9 4000 94 11 49 16| 2.3 0.0 2.3|119.8 0.0 119.8 30.0 0.76| 4.8 3.7 5000 124 13 72 12| 2.4 0.0 2.4|164.9 0.0 164.9 33.0 0.83| 5.5 4.6 6000 154 15 107 8| 1.6 0.0 1.6|190.5 0.0 190.5 31.7 0.81| 5.5 4.4 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251208.11.gif