UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103111.upa.cvt Date: 1100Z 31 OCT 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 31 OCT 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 1016 12 -13.9 -18.7 67 4.8 -14.7 300 21 258.1 258.2 257.4 260.4 0.86 1 984 254 -14.9 -21.9 55 7.0 -16.0 315 18 259.4 259.6 258.1 261.3 0.67 2 977 308 -13.9 -18.9 66 5.0 -14.8 319 17 261.0 261.1 259.8 263.4 0.88 3 966 394 -10.7 -14.7 72 4.0 -11.6 324 16 265.1 265.3 263.6 268.5 1.26 4 904 899 -13.9 -16.1 83 2.2 -14.4 356 11 266.8 267.0 264.7 270.2 1.20 5 894 983 -14.1 -16.7 81 2.6 -14.6 1 10 267.5 267.7 265.1 270.7 1.16 6 884 1068 -11.7 -19.7 51 8.0 -13.3 6 9 270.8 271.0 267.0 273.4 0.91 7 876 1138 -12.3 -21.3 47 9.0 -14.0 11 8 270.9 271.0 266.8 273.2 0.80 8 875 1146 -12.5 -21.5 47 9.0 -14.2 11 8 270.8 270.9 266.7 273.1 0.78 9 866 1225 -12.3 -20.3 51 8.0 -13.9 16 7 271.8 272.0 267.6 274.3 0.88 10 858 1296 -8.1 -9.5 90 1.4 -8.5 21 6 276.9 277.3 272.9 283.0 2.16 11 850 1369 -7.9 -9.5 88 1.6 -8.4 25 5 277.9 278.2 273.5 284.0 2.18 12 815 1694 -10.1 -10.1 100 0.0 -10.1 56 5 278.9 279.3 274.0 285.1 2.17 13 802 1818 -10.7 -10.9 98 0.2 -10.8 68 6 279.5 279.9 274.3 285.5 2.07 14 791 1925 -9.9 -9.9 100 0.0 -9.9 79 6 281.5 281.9 275.6 288.0 2.28 15 773 2102 -10.1 -11.2 92 1.1 -10.4 96 6 283.2 283.5 276.3 289.2 2.10 16 766 2172 -10.3 -11.5 91 1.2 -10.6 103 6 283.7 284.0 276.5 289.7 2.07 17 700 2860 -14.9 -15.6 94 0.7 -15.1 170 7 286.0 286.3 277.0 290.8 1.62 18 693 2936 -15.3 -16.8 88 1.5 -15.7 170 7 286.4 286.6 277.0 290.8 1.48 19 634 3599 -20.9 -24.9 70 4.0 -21.6 170 8 287.4 287.5 276.6 289.8 0.80 20 584 4198 -26.5 -27.3 93 0.8 -26.6 170 9 287.7 287.8 276.6 289.8 0.70 21 568 4398 -28.1 -28.9 93 0.8 -28.2 170 9 288.1 288.2 276.7 290.0 0.62 22 562 4474 -28.9 -29.8 92 0.9 -29.0 170 10 288.0 288.1 276.6 289.8 0.57 23 556 4550 -28.5 -30.1 86 1.6 -28.7 170 10 289.4 289.5 277.2 291.2 0.56 24 500 5300 -34.7 -40.7 54 6.0 -35.1 170 11 290.7 290.8 277.4 291.5 0.22 25 490 5441 -35.7 -42.7 49 7.0 -36.1 173 10 291.2 291.2 277.6 291.8 0.18 26 433 6289 -42.7 -47.7 58 5.0 -42.9 193 7 292.8 292.8 278.2 293.2 0.12 27 400 6820 -46.3 -53.3 45 7.0 -46.5 205 5 294.8 294.8 279.1 295.1 0.07 28 300 8680 -57.9 -61.9 60 4.0 -57.9 195 5 303.7 303.7 283.0 303.8 0.03 29 283 9047 -58.7 -61.3 72 2.6 -58.7 210 11 307.7 307.7 284.5 307.8 0.04 30 277 9182 -59.5 -62.6 67 3.1 -59.5 215 13 308.4 308.4 284.8 308.5 0.03 31 250 9830 -55.7 -68.7 18 13.0 -55.9 205 13 323.3 323.3 289.8 323.3 0.01 32 239 10117 -55.3 -71.3 12 16.0 -55.5 208 13 328.0 328.0 291.2 328.1 0.01 33 232 10307 -53.3 -65.3 22 12.0 -53.5 210 14 333.9 333.9 292.8 334.0 0.03 34 215 10797 -53.9 -70.9 11 17.0 -54.2 215 14 340.3 340.3 294.4 340.4 0.01 35 200 11260 -55.1 -72.1 10 17.0 -55.4 220 15 345.5 345.5 295.6 345.6 0.01 36 150 13100 -55.7 -82.7 2 27.0 -56.1 235 19 374.1 374.1 301.3 374.1 0.00 37 139 13584 -55.3 -86.3 1 31.0 -55.7 235 18 383.0 383.1 302.8 383.1 0.00 38 101 15617 -55.5 -86.5 1 31.0 -56.0 235 15 419.3 419.3 307.6 419.3 0.00 39 100 15680 -55.3 -86.3 1 31.0 -55.8 235 15 420.9 420.9 307.8 420.9 0.00 40 85 16713 -55.7 -86.7 1 31.0 -56.3 240 18 440.1 440.1 309.9 440.1 0.00 41 70 17940 -58.3 -88.3 1 30.0 -58.8 245 21 459.7 459.7 311.7 459.7 0.00 42 50 20040 -62.1 -91.1 1 29.0 -62.6 280 7 497.1 497.1 314.7 497.2 0.00 43 30 23180 -66.3 -94.3 1 28.0 -66.7 300 29 563.9 563.9 318.9 563.9 0.00 44 24 24532 -65.9 -93.9 1 28.0 -66.4 308 29 602.2 602.2 320.7 602.2 0.00 45 20 25630 -68.9 -95.9 1 27.0 -69.4 315 29 625.3 625.3 321.7 625.3 0.00 46 18 26259 -71.1 -97.1 1 26.0 -71.5 317 30 637.5 637.5 322.2 637.5 0.00 47 10 29740 -71.5 -97.5 1 26.0 -72.1 330 35 752.7 752.7 326.0 752.7 0.00 48 7.0 31854 -70.1 -96.1 1 26.0 -71.1 335 60 839.4 839.4 328.1 839.4 0.00 49 6.7 32115 -69.9 -95.9 1 26.0 -70.9 850.7 850.7 328.4 850.7 0.01 TRP 277 9182 -59.5 -62.6 67 3.1 -59.5 215 13 308.4 308.4 284.8 308.5 0.03 WND 7.0 31854 -70.1 -96.1 1 26.0 -71.1 335 60 839.4 839.4 328.1 839.4 0.00 Sounding variables and indices 1000-500 mb thick: 5168.14 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 81.00 % Est. max temperature: -0.11 C = 31.81 F Sfc-Lift cond lev (LCL): 939.78 mb = 603.28 m = 1979.24 ft T: -12.03 C 700-500 lapse rate: 8.11 C/km ThetaE index: 0.37 C Layer 876.0- 866.0 mb Conv cond level (CCL): 622.67 mb = 3730.50 m = 12239.04 ft Mean mixing ratio: 1.04 g/kg Conv temperature: 15.60 C = 60.08 F Cap Strength: 20.17 C Lifted Index: 20.59 C Risk: None Lifted Index @300 mb: 26.89 C Lifted Index @700 mb: 19.06 C Showalter Index: 6.06 C Risk: None Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.80 C Cross Totals Index: 25.20 C K Index: 16.60 Risk: < 20 % chance of thunderstorms Sweat Index: 81.00 Risk: None Energy Index: 1.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 43.64 J/kg Max Up Vert Vel: 9.34 m/s Conv Inhibition (B-): 69551.17 J/kg Cap Strength: 20.58 C Lift Cond Lev (LCL): 902.36 mb = 912.56 m = 2993.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 7 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 1016 12 300 21 18.2 -10.5 | 319 21 13.7 -15.7 1 850 1369 25 5 -2.1 -4.5 | 34 12 -6.6 -9.8 2 700 2860 170 7 -1.2 6.9 | 106 6 -5.7 1.7 3 500 5300 170 11 -1.9 10.8 | 131 9 -6.4 5.6 4 400 6820 205 5 2.1 4.5 | 74 3 -2.4 -0.7 5 300 8680 195 5 1.3 4.8 | 83 3 -3.2 -0.4 6 277 9182 215 13 7.5 10.6 | 208 6 2.9 5.4 7 250 9830 205 13 5.5 11.8 | 188 7 1.0 6.5 8 200 11260 220 15 9.6 11.5 | 219 8 5.1 6.2 9 150 13100 235 19 15.6 10.9 | 243 12 11.0 5.7 10 100 15680 235 15 12.3 8.6 | 247 8 7.8 3.4 11 70 17940 245 21 19.0 8.9 | 256 15 14.5 3.6 12 50 20040 280 7 6.9 -1.2 | 340 7 2.4 -6.5 13 30 23180 300 29 25.1 -14.5 | 314 29 20.6 -19.7 14 20 25630 315 29 20.5 -20.5 | 328 30 16.0 -25.7 15 10 29740 330 35 17.5 -30.3 | 340 38 13.0 -35.6 Wind Parameters Mean winds (0-6000m): 190.8 at 9.2 knts Storm direction: 220.8 at 6.9 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 149.1 deg Storm rel helicity (0-3000m) pos: 146.8 neg: 0.0 tot: 146.8 m^2/s^2 ave: 48.9 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 6.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.73 Bulk Shear: 60.07 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 ------------------------------------------------------------------------------- 500 285 19 307 17| 11.6 0.0 11.6| 59.3 0.0 59.3 118.5 0.98| 11.8 11.6 1000 304 15 329 16| 9.6 0.0 9.6| 96.5 0.0 96.5 96.5 0.95| 10.5 10.0 1500 316 12 344 15| 7.7 0.0 7.7|113.6 0.0 113.6 75.7 0.92| 9.1 8.3 2000 324 11 353 14| 6.7 0.0 6.7|128.6 0.0 128.6 64.3 0.93| 8.0 7.5 2500 324 10 355 13| 5.6 0.0 5.6|141.3 0.0 141.3 56.5 0.92| 7.5 6.9 3000 312 9 349 12| 4.5 0.0 4.5|146.8 0.0 146.8 48.9 0.89| 7.0 6.2 4000 269 9 319 7| 3.4 0.2 3.6|149.1 0.0 149.1 37.3 0.89| 5.5 4.8 5000 206 9 169 3| 2.7 0.3 3.0|151.4 0.0 151.4 30.3 0.88| 4.5 4.0 6000 191 9 144 5| 1.9 0.3 2.2|152.4 -0.4 152.0 25.3 0.81| 4.1 3.3 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251031.11.gif