UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121223.upa.cvt Date: 2300Z 12 DEC 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 12 DEC 25 Station: BGDH WMO ident: 4320 Latitude: 76.77 Longitude: -18.67 Elevation: 12.00 ------------------------------------------------------------------------------- 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 1007 12 -19.3 -21.7 81 2.4 -19.6 265 3 253.3 253.4 253.1 255.1 0.67 1 985 176 -19.7 -22.1 81 2.4 -20.0 248 6 254.5 254.7 254.1 256.3 0.66 2 969 299 -17.3 -19.2 85 1.9 -17.6 235 8 258.2 258.3 257.5 260.5 0.86 3 958 385 -15.7 -16.9 90 1.2 -15.9 227 9 260.6 260.8 259.9 263.5 1.06 4 942 512 -15.7 -16.5 94 0.8 -15.9 214 11 261.9 262.1 260.9 264.9 1.12 5 937 552 -11.9 -12.1 98 0.2 -11.9 210 12 266.2 266.4 265.0 270.5 1.61 6 918 710 -7.9 -8.1 98 0.2 -7.9 194 14 271.8 272.2 269.9 278.0 2.26 7 896 900 -6.3 -6.5 98 0.2 -6.4 175 17 275.4 275.8 272.6 282.6 2.62 8 885 996 -6.3 -6.5 98 0.2 -6.4 166 18 276.3 276.8 273.3 283.7 2.65 9 850 1311 -8.1 -9.2 92 1.1 -8.4 135 23 277.7 278.0 273.4 284.0 2.24 10 767 2102 -12.7 -14.0 90 1.3 -13.0 154 24 281.0 281.3 274.5 285.9 1.69 11 700 2795 -16.5 -18.2 87 1.7 -16.9 170 25 284.2 284.4 275.7 288.1 1.30 12 652 3326 -19.9 -21.9 84 2.0 -20.3 168 26 286.2 286.4 276.3 289.3 1.01 13 628 3604 -20.9 -23.2 82 2.3 -21.3 167 27 288.1 288.3 277.2 291.0 0.94 14 579 4201 -24.1 -26.3 82 2.2 -24.5 164 28 291.2 291.3 278.4 293.6 0.77 15 539 4721 -26.3 -29.1 77 2.8 -26.7 162 30 294.6 294.7 279.8 296.6 0.64 16 500 5260 -30.1 -33.1 75 3.0 -30.4 160 31 296.3 296.4 280.4 297.9 0.47 17 400 6810 -40.5 -45.2 61 4.7 -40.8 155 42 302.4 302.4 282.5 303.0 0.17 18 300 8700 -56.1 -60.4 58 4.3 -56.2 165 50 306.3 306.3 284.0 306.4 0.04 19 290 8915 -57.9 -61.9 60 4.0 -57.9 167 53 306.7 306.7 284.1 306.8 0.03 20 271 9340 -60.4 -64.4 59 4.1 -60.4 170 58 309.1 309.1 285.0 309.2 0.02 21 257 9669 -62.3 -66.4 58 4.1 -62.3 165 52 311.0 311.0 285.7 311.1 0.02 22 250 9840 -61.9 -66.1 57 4.2 -61.9 175 50 314.0 314.0 286.8 314.1 0.02 23 224 10522 -62.7 -67.7 51 5.0 -62.7 168 39 322.8 322.8 289.6 322.9 0.02 24 214 10806 -60.3 -66.3 45 6.0 -60.4 165 34 330.8 330.8 292.0 330.9 0.02 25 200 11230 -59.9 -64.9 52 5.0 -60.0 160 27 337.9 337.9 293.9 338.0 0.03 26 169 12290 -55.9 -61.9 47 6.0 -56.1 166 23 361.2 361.2 299.0 361.5 0.05 27 150 13040 -59.9 -69.9 26 10.0 -60.0 170 21 366.9 366.9 300.0 367.0 0.02 28 149 13082 -60.1 -70.1 26 10.0 -60.3 171 21 367.2 367.2 300.1 367.3 0.02 29 126 14128 -58.3 -78.3 6 20.0 -58.6 185 24 388.5 388.5 303.6 388.6 0.01 30 114 14755 -58.9 -84.9 2 26.0 -59.2 194 25 398.7 398.7 305.0 398.7 0.00 31 101 15508 -61.1 -87.1 2 26.0 -61.4 204 27 408.5 408.5 306.3 408.5 0.00 32 100 15570 -61.3 -87.3 2 26.0 -61.6 205 27 409.3 409.3 306.4 409.3 0.00 33 93 16018 -63.9 -89.9 2 26.0 -64.1 208 29 412.7 412.7 306.9 412.7 0.00 34 82 16795 -61.1 -87.1 2 26.0 -61.4 213 32 433.6 433.6 309.2 433.6 0.00 35 70 17770 -64.3 -89.3 2 25.0 -64.6 220 36 446.8 446.8 310.6 446.8 0.00 36 60 18708 -67.3 -91.3 2 24.0 -67.5 227 31 460.3 460.3 311.8 460.3 0.00 37 57 19020 -64.3 -89.3 2 25.0 -64.6 229 29 473.9 473.9 313.0 473.9 0.00 38 50 19820 -65.9 -89.9 2 24.0 -66.2 235 25 488.2 488.2 314.1 488.2 0.00 39 37 21622 -72.1 -95.1 2 23.0 -72.3 250 26 516.2 516.2 316.1 516.2 0.00 40 33 22298 -70.9 -93.9 2 23.0 -71.1 255 27 536.5 536.5 317.3 536.5 0.00 41 30 22860 -72.9 -94.9 2 22.0 -73.0 260 27 545.9 545.9 317.9 545.9 0.00 42 20 25210 -76.1 -97.1 2 21.0 -76.3 265 35 603.2 603.2 320.7 603.2 0.00 43 12 28126 -79.7 -100.7 2 21.0 -79.8 265 50 685.4 685.4 324.0 685.4 0.00 44 10 29160 -78.7 -99.7 2 21.0 -78.9 265 56 725.8 725.8 325.3 725.8 0.00 45 4.4 33920 -71.7 -93.7 2 22.0 -72.9 950.9 950.9 330.4 951.0 0.01 TRP 257 9669 -62.3 -66.4 58 4.1 -62.3 165 52 311.0 311.0 285.7 311.1 0.02 WND 271 9340 -60.4 -64.4 59 4.1 -60.4 170 58 309.1 309.1 285.0 309.2 0.02 Sounding variables and indices 1000-500 mb thick: 5196.10 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.30 inches Sfc-500 mean rel hum: 86.16 % Est. max temperature: 4.80 C = 40.63 F Sfc-Lift cond lev (LCL): 968.08 mb = 305.77 m = 1003.18 ft T: -17.17 C 700-500 lapse rate: 5.52 C/km ThetaE index: 0.00 C Layer 1007.0--21495.8 mb Conv cond level (CCL): 985.00 mb = 176.34 m = 578.53 ft Mean mixing ratio: 1.26 g/kg Conv temperature: -12.89 C = 8.80 F Cap Strength: 24.86 C Lifted Index: 25.72 C Risk: None Lifted Index @300 mb: 29.19 C Lifted Index @700 mb: 18.02 C Showalter Index: 10.72 C Risk: None Total Totals Index: 42.90 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 20.90 C K Index: 11.10 Risk: None Sweat Index: 77.00 Risk: None Energy Index: 2.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 84.36 J/kg Max Up Vert Vel: 12.99 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 25.61 C Lift Cond Lev (LCL): 954.19 mb = 414.70 m = 1360.54 ft Lev Free Conv (LFC): 949.19 mb = 454.37 m = 1490.69 ft Equ Level (EL): 939.19 mb = 534.50 m = 1753.60 ft B at Equ Level: 77.06 J/kg Max Parcel Lev (MPL): 909.19 mb = 785.65 m = 2577.57 ft Wind level data Storm motion: 189 at 18 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 1007 12 265 3 3.0 0.3 | 359 18 0.2 -18.0 1 850 1311 135 23 -16.3 16.3 | 84 19 -19.0 -2.0 2 700 2795 170 25 -4.3 24.6 | 132 10 -7.1 6.4 3 500 5260 160 31 -10.6 29.1 | 129 17 -13.4 10.9 4 400 6810 155 42 -17.7 38.1 | 134 29 -20.5 19.8 5 300 8700 165 50 -12.9 48.3 | 152 34 -15.7 30.1 6 271 9340 170 58 -10.1 57.1 | 162 41 -12.8 38.9 7 257 9669 165 52 -13.5 50.2 | 153 36 -16.2 32.0 8 250 9840 175 50 -4.4 49.8 | 167 32 -7.1 31.6 9 200 11230 160 27 -9.2 25.4 | 121 14 -12.0 7.1 10 150 13040 170 21 -3.6 20.7 | 111 7 -6.4 2.5 11 100 15570 205 27 11.4 24.5 | 234 11 8.6 6.2 12 70 17770 220 36 23.1 27.6 | 245 22 20.4 9.3 13 50 19820 235 25 20.5 14.3 | 282 18 17.7 -3.9 14 30 22860 260 27 26.6 4.7 | 300 27 23.8 -13.5 15 20 25210 265 35 34.9 3.1 | 295 36 32.1 -15.2 16 10 29160 265 56 55.8 4.9 | 284 55 53.0 -13.3 Wind Parameters Mean winds (0-6000m): 158.6 at 24.6 knts Storm direction: 188.6 at 18.4 knts Shear (0-3000m) pos: 2.2 neg: 4.3 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 132.7 deg Storm rel helicity (0-3000m) pos: 52.4 neg: -26.4 tot: 26.0 m^2/s^2 ave: 8.7 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 2.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.26 Bulk Shear: 66.82 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 95 6 27 20| 0.0 9.3 9.3| 0.0 -20.7 -20.7 -41.3 -0.51| 10.1 -5.2 1000 135 10 43 15| 0.0 9.9 9.9| 9.6 -20.7 -11.0 -11.0 0.14| 12.8 1.7 1500 140 14 59 14| 0.0 8.6 8.6| 17.5 -26.4 -8.9 -5.9 0.10| 13.2 1.3 2000 142 17 68 14| 1.3 6.5 7.7| 32.8 -26.4 6.4 3.2 0.17| 11.2 1.9 2500 147 18 77 13| 2.0 5.2 7.2| 45.8 -26.4 19.3 7.7 0.23| 10.0 2.3 3000 152 19 84 12| 2.2 4.3 6.5| 52.4 -26.4 26.0 8.7 0.26| 8.9 2.3 4000 157 21 96 11| 1.6 3.6 5.2| 52.4 -26.9 25.5 6.4 0.25| 7.1 1.7 5000 158 23 105 12| 1.3 3.2 4.5| 52.4 -28.6 23.8 4.8 0.22| 6.0 1.3 6000 159 25 112 13| 1.1 3.2 4.3| 58.6 -29.2 29.4 4.9 0.22| 5.5 1.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251212.23.gif