UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120123.upa.cvt Date: 2300Z 1 DEC 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 1 DEC 25 Station: BGBW WMO ident: 4270 Latitude: 61.18 Longitude: -45.42 Elevation: 26.00 ------------------------------------------------------------------------------- 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 1008 26 -3.5 -7.5 74 4.0 -4.8 50 3 269.0 269.4 268.0 274.9 2.15 1 971 316 -5.5 -9.1 76 3.6 -6.6 57 3 269.9 270.2 268.2 275.3 1.97 2 899 907 -10.3 -11.3 92 1.0 -10.6 70 4 271.0 271.3 268.6 275.9 1.79 3 850 1330 -13.5 -14.3 94 0.8 -13.7 80 5 272.0 272.2 268.8 276.2 1.48 4 822 1585 -13.3 -16.0 80 2.7 -13.9 102 5 274.8 275.1 270.3 278.6 1.33 5 807 1725 -12.9 -20.9 51 8.0 -14.5 113 5 276.7 276.9 270.7 279.3 0.89 6 783 1955 -13.9 -34.9 15 21.0 -16.7 133 5 278.0 278.1 270.4 278.8 0.25 7 768 2101 -14.7 -39.7 10 25.0 -17.6 145 5 278.7 278.7 270.7 279.2 0.16 8 759 2190 -15.1 -42.1 8 27.0 -18.0 153 5 279.2 279.2 270.9 279.6 0.12 9 750 2280 -15.5 -42.5 8 27.0 -18.3 161 5 279.7 279.8 271.2 280.1 0.12 10 700 2797 -19.5 -42.5 11 23.0 -21.7 205 5 280.9 280.9 271.9 281.3 0.13 11 628 3596 -24.5 -37.5 29 13.0 -25.8 195 7 284.0 284.1 273.9 284.8 0.24 12 578 4196 -28.1 -38.1 38 10.0 -29.0 188 8 286.6 286.7 275.3 287.5 0.25 13 535 4746 -32.7 -37.7 61 5.0 -33.1 181 10 287.6 287.6 275.9 288.5 0.28 14 500 5220 -35.1 -41.1 54 6.0 -35.5 175 11 290.2 290.3 277.1 290.9 0.21 15 463 5752 -37.7 -41.7 66 4.0 -37.9 187 14 293.5 293.5 278.7 294.2 0.21 16 409 6592 -44.7 -47.4 74 2.7 -44.8 207 18 295.0 295.0 279.3 295.5 0.13 17 400 6740 -45.9 -49.3 68 3.4 -46.0 210 19 295.3 295.4 279.4 295.7 0.11 18 348 7651 -53.9 -57.0 69 3.1 -53.9 210 23 296.5 296.5 279.8 296.7 0.05 19 336 7876 -54.9 -57.5 73 2.6 -54.9 210 24 298.1 298.1 280.6 298.3 0.05 20 322 8149 -54.1 -64.1 28 10.0 -54.2 210 25 302.9 302.9 282.6 303.0 0.02 21 317 8249 -54.9 -66.9 21 12.0 -55.1 210 25 303.1 303.1 282.7 303.2 0.01 22 300 8600 -56.5 -66.5 27 10.0 -56.6 210 27 305.7 305.7 283.7 305.8 0.02 23 273 9197 -58.9 -68.9 26 10.0 -59.0 225 27 310.6 310.6 285.5 310.6 0.01 24 250 9750 -59.5 -70.5 23 11.0 -59.6 225 27 317.6 317.6 288.0 317.7 0.01 25 211 10813 -58.3 -75.3 10 17.0 -58.5 225 34 335.3 335.3 293.2 335.3 0.01 26 200 11150 -58.5 -77.5 7 19.0 -58.7 225 36 340.1 340.1 294.4 340.1 0.00 27 172 12096 -57.9 -80.9 4 23.0 -58.1 235 32 356.1 356.1 297.9 356.1 0.00 28 150 12960 -56.3 -85.3 1 29.0 -56.6 245 29 373.1 373.1 301.1 373.1 0.00 29 139 13444 -56.1 -87.1 1 31.0 -56.5 243 29 381.6 381.6 302.5 381.6 0.00 30 129 13918 -56.1 -87.1 1 31.0 -56.5 241 29 389.9 389.9 303.8 389.9 0.00 31 100 15530 -57.7 -87.7 1 30.0 -58.1 235 29 416.2 416.2 307.3 416.3 0.00 32 97 15721 -58.5 -88.5 1 30.0 -58.9 235 29 418.3 418.3 307.5 418.3 0.00 33 70 17750 -62.5 -91.5 1 29.0 -62.8 230 29 450.7 450.7 310.9 450.7 0.00 34 56 19119 -65.3 -93.3 1 28.0 -65.5 253 28 474.0 474.0 313.0 474.0 0.00 35 50 19810 -64.7 -92.7 1 28.0 -65.0 265 27 491.0 491.0 314.3 491.0 0.00 36 44 20590 -62.9 -91.9 1 29.0 -63.4 280 30 513.7 513.7 315.9 513.7 0.00 37 30 22920 -66.5 -93.5 1 27.0 -66.9 325 38 563.4 563.4 318.8 563.4 0.00 38 27 23558 -68.7 -95.7 1 27.0 -69.1 330 39 574.4 574.4 319.4 574.4 0.00 39 20 25380 -65.3 -93.3 1 28.0 -66.0 345 40 636.3 636.3 322.2 636.3 0.00 40 11 28999 -66.9 -93.9 1 27.0 -67.9 354 84 749.1 749.1 325.9 749.2 0.00 41 10 29580 -62.5 -91.5 1 29.0 -64.3 355 91 786.3 786.3 326.9 786.3 0.01 42 6.0 32790 -54.8 -85.7 1 30.9 -60.0 10 112 943.4 943.4 330.2 943.8 0.04 43 5.9 32897 -54.5 -85.5 1 31.0 -59.9 949.0 949.1 330.3 949.5 0.04 TRP 273 9197 -58.9 -68.9 26 10.0 -59.0 225 27 310.6 310.6 285.5 310.6 0.01 WND 6.0 32790 -54.8 -85.7 1 30.9 -60.0 10 112 943.4 943.4 330.2 943.8 0.04 Sounding variables and indices 1000-500 mb thick: 5132.19 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 47.58 % Est. max temperature: -0.70 C = 30.75 F Sfc-Lift cond lev (LCL): 946.36 mb = 513.09 m = 1683.34 ft T: -7.10 C 700-500 lapse rate: 6.44 C/km ThetaE index: 0.51 C Layer 783.0- 768.0 mb Conv cond level (CCL): 900.55 mb = 893.44 m = 2931.20 ft Mean mixing ratio: 1.95 g/kg Conv temperature: -1.58 C = 29.15 F Cap Strength: 10.58 C Lifted Index: 12.46 C Risk: None Lifted Index @300 mb: 21.47 C Lifted Index @700 mb: 6.67 C Showalter Index: 11.81 C Risk: None Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 20.80 C K Index: -15.70 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.15 J/kg Max Up Vert Vel: 3.51 m/s Conv Inhibition (B-): 62567.18 J/kg Cap Strength: 12.26 C Lift Cond Lev (LCL): 912.96 mb = 788.55 m = 2587.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 203 at 5 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 1008 26 50 3 -2.3 -1.9 | 32 8 -4.4 -6.9 1 850 1330 80 5 -4.9 -0.9 | 50 9 -7.0 -5.8 2 700 2797 205 5 2.1 4.5 | 352 0 0.1 -0.4 3 500 5220 175 11 -1.0 11.0 | 153 7 -3.0 6.0 4 400 6740 210 19 9.5 16.5 | 213 14 7.4 11.5 5 300 8600 210 27 13.5 23.4 | 212 22 11.4 18.4 6 273 9197 225 27 19.1 19.1 | 230 22 17.0 14.1 7 250 9750 225 27 19.1 19.1 | 230 22 17.0 14.1 8 200 11150 225 36 25.5 25.5 | 229 31 23.4 20.5 9 150 12960 245 29 26.3 12.3 | 253 25 24.2 7.3 10 100 15530 235 29 23.8 16.6 | 242 25 21.7 11.7 11 70 17750 230 29 22.2 18.6 | 236 24 20.2 13.7 12 50 19810 265 27 26.9 2.4 | 276 25 24.8 -2.6 13 30 22920 325 38 21.8 -31.1 | 331 41 19.7 -36.1 14 20 25380 345 40 10.4 -38.6 | 349 44 8.3 -43.6 15 10 29580 355 91 7.9 -90.7 | 356 96 5.9 -95.6 Wind Parameters Mean winds (0-6000m): 172.5 at 7.2 knts Storm direction: 202.5 at 5.4 knts Shear (0-3000m) pos: 1.4 neg: 0.0 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 160.8 deg Storm rel helicity (0-3000m) pos: 14.5 neg: -0.1 tot: 14.4 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.58 Bulk Shear: 10.55 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 61 3 37 8| 1.1 0.0 1.1| 2.0 0.0 2.0 4.0 0.88| 1.1 0.9 1000 65 4 40 8| 1.1 0.0 1.1| 4.5 0.0 4.5 4.5 0.92| 1.1 1.0 1500 72 4 44 9| 1.3 0.0 1.3| 9.0 0.0 9.0 6.0 0.90| 1.5 1.3 2000 84 4 49 8| 1.5 0.0 1.5| 13.5 0.0 13.5 6.7 0.78| 2.1 1.6 2500 95 4 55 8| 1.5 0.0 1.5| 14.5 0.0 14.5 5.8 0.62| 2.4 1.5 3000 107 5 61 7| 1.4 0.0 1.4| 14.5 -0.1 14.4 4.8 0.40| 2.5 1.0 4000 151 5 84 5| 1.1 0.4 1.4| 14.5 -0.4 14.2 3.5 0.31| 2.2 0.7 5000 165 6 103 4| 0.9 0.6 1.5| 14.5 -1.5 13.0 2.6 0.22| 2.1 0.5 6000 173 7 126 4| 1.2 0.5 1.7| 25.5 -1.8 23.6 3.9 0.34| 2.3 0.8 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20251201.23.gif