UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102823.upa.cvt Date: 2300Z 28 OCT 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 28 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 1020 12 -8.3 -14.3 62 6.0 -9.7 345 15 263.4 263.6 262.3 266.7 1.24 1 983 299 -7.3 -11.8 70 4.5 -8.5 351 17 267.2 267.4 265.7 271.5 1.57 2 909 903 -12.1 -13.7 88 1.6 -12.5 4 20 268.3 268.5 266.2 272.3 1.46 3 870 1237 -14.5 -14.6 99 0.1 -14.5 11 22 269.2 269.4 266.7 273.1 1.41 4 850 1413 -15.1 -15.3 98 0.2 -15.2 15 23 270.3 270.6 267.4 274.2 1.37 5 781 2047 -19.3 -19.9 95 0.6 -19.4 19 22 272.4 272.6 268.2 275.3 1.01 6 776 2095 -16.9 -17.3 97 0.4 -17.0 20 22 275.5 275.7 270.7 279.2 1.27 7 700 2863 -19.9 -25.9 59 6.0 -20.8 25 21 280.4 280.6 272.6 282.5 0.66 8 662 3275 -21.3 -26.3 64 5.0 -22.1 48 21 283.4 283.5 274.3 285.5 0.67 9 633 3604 -22.9 -32.9 40 10.0 -24.1 67 21 285.2 285.3 274.8 286.4 0.38 10 611 3862 -24.5 -39.5 24 15.0 -25.9 82 21 286.3 286.3 275.0 286.9 0.20 11 600 3994 -24.1 -31.1 52 7.0 -25.0 89 21 288.2 288.3 276.5 289.7 0.48 12 593 4080 -24.5 -30.5 57 6.0 -25.3 94 21 288.7 288.8 276.8 290.4 0.51 13 583 4203 -25.3 -30.3 63 5.0 -25.9 101 21 289.2 289.3 277.1 290.9 0.53 14 542 4727 -29.7 -31.4 85 1.7 -29.9 131 21 290.1 290.1 277.5 291.7 0.51 15 531 4873 -29.7 -30.8 90 1.1 -29.8 140 21 291.8 291.9 278.4 293.5 0.55 16 530 4886 -29.7 -30.8 90 1.1 -29.8 141 21 291.9 292.0 278.4 293.7 0.55 17 507 5201 -30.7 -32.9 81 2.2 -30.9 159 21 294.4 294.5 279.6 296.0 0.47 18 500 5300 -31.1 -36.1 61 5.0 -31.6 165 21 295.1 295.2 279.7 296.3 0.35 19 495 5371 -31.5 -39.5 45 8.0 -32.2 164 21 295.5 295.5 279.7 296.3 0.25 20 417 6567 -40.3 -47.3 47 7.0 -40.6 153 28 299.0 299.1 281.1 299.5 0.13 21 400 6850 -42.5 -44.9 77 2.4 -42.6 150 29 299.8 299.8 281.5 300.4 0.17 22 377 7248 -44.9 -51.9 45 7.0 -45.2 154 32 301.7 301.7 282.2 302.0 0.08 23 358 7592 -47.9 -51.7 65 3.8 -48.0 158 34 302.2 302.2 282.4 302.5 0.09 24 300 8740 -54.9 -58.8 62 3.9 -55.0 170 42 308.0 308.0 284.6 308.1 0.05 25 278 9222 -57.7 -61.7 60 4.0 -57.8 170 40 310.7 310.7 285.6 310.8 0.03 26 250 9890 -57.3 -66.3 31 9.0 -57.4 160 33 320.9 320.9 289.0 321.0 0.02 27 217 10788 -55.5 -70.5 14 15.0 -55.7 144 22 336.9 336.9 293.6 337.0 0.01 28 200 11310 -53.7 -70.7 11 17.0 -54.0 135 15 347.7 347.7 296.1 347.8 0.01 29 175 12164 -54.3 -76.3 5 22.0 -54.6 123 11 360.3 360.3 298.8 360.3 0.01 30 150 13150 -54.3 -81.3 2 27.0 -54.7 110 7 376.5 376.5 301.7 376.5 0.00 31 114 14911 -53.3 -85.3 1 32.0 -53.9 46 11 409.1 409.1 306.4 409.1 0.00 32 101 15687 -55.1 -86.1 1 31.0 -55.6 17 13 420.1 420.1 307.7 420.1 0.00 33 100 15750 -55.1 -86.1 1 31.0 -55.6 15 13 421.3 421.3 307.9 421.3 0.00 34 70 18020 -56.7 -86.7 1 30.0 -57.3 5 23 463.1 463.1 312.0 463.1 0.00 35 65 18490 -56.1 -87.1 1 31.0 -56.8 4 25 474.3 474.3 313.0 474.3 0.00 36 50 20140 -60.3 -89.3 1 29.0 -60.9 360 31 501.4 501.4 315.1 501.4 0.00 37 30 23290 -65.3 -93.3 1 28.0 -65.8 10 38 566.6 566.6 319.0 566.6 0.00 38 27 23931 -67.5 -94.5 1 27.0 -67.9 10 39 577.8 577.8 319.6 577.8 0.00 39 20 25740 -68.7 -95.7 1 27.0 -69.2 10 40 625.9 625.9 321.7 625.9 0.00 40 12 28763 -72.9 -98.9 1 26.0 -73.3 3 53 709.5 709.5 324.7 709.5 0.00 41 10 29830 -73.3 -99.3 1 26.0 -73.7 360 58 745.9 745.9 325.8 745.9 0.00 42 9.0 30447 -73.4 -99.2 1 25.8 -73.9 5 60 768.4 768.4 326.4 768.5 0.00 43 6.0 32817 -73.7 -98.7 1 25.0 -74.4 861.6 861.6 328.7 861.6 0.00 TRP 278 9222 -57.7 -61.7 60 4.0 -57.8 170 40 310.7 310.7 285.6 310.8 0.03 WND 9.0 30447 -73.4 -99.2 1 25.8 -73.9 5 60 768.4 768.4 326.4 768.5 0.00 Sounding variables and indices 1000-500 mb thick: 5134.07 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 74.63 % Est. max temperature: -2.46 C = 27.57 F Sfc-Lift cond lev (LCL): 926.59 mb = 755.33 m = 2478.08 ft T: -10.92 C 700-500 lapse rate: 4.60 C/km ThetaE index: 0.00 C Layer 1020.0- 0.0 mb Conv cond level (CCL): 879.14 mb = 1157.44 m = 3797.32 ft Mean mixing ratio: 1.48 g/kg Conv temperature: -2.68 C = 27.18 F Cap Strength: 19.61 C Lifted Index: 20.09 C Risk: None Lifted Index @300 mb: 26.29 C Lifted Index @700 mb: 9.90 C Showalter Index: 17.45 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 16.00 C Cross Totals Index: 15.80 C K Index: -5.30 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 4.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.29 J/kg Max Up Vert Vel: 5.71 m/s Conv Inhibition (B-): 73420.80 J/kg Cap Strength: 19.48 C Lift Cond Lev (LCL): 909.23 mb = 901.27 m = 2956.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 73 at 16 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 1020 12 345 15 3.9 -14.5 | 298 21 19.0 -9.9 1 850 1413 15 23 -6.0 -22.2 | 333 20 9.1 -17.6 2 700 2863 25 21 -8.9 -19.0 | 337 16 6.2 -14.5 3 500 5300 165 21 -5.4 20.3 | 201 27 9.6 24.9 4 400 6850 150 29 -14.5 25.1 | 181 30 0.6 29.7 5 300 8740 170 42 -7.3 41.4 | 190 47 7.8 45.9 6 278 9222 170 40 -6.9 39.4 | 190 45 8.1 44.0 7 250 9890 160 33 -11.3 31.0 | 186 36 3.8 35.6 8 200 11310 135 15 -10.6 10.6 | 196 16 4.5 15.2 9 150 13150 110 7 -6.6 2.4 | 231 11 8.5 7.0 10 100 15750 15 13 -3.4 -12.6 | 304 14 11.7 -8.0 11 70 18020 5 23 -2.0 -22.9 | 325 23 13.1 -18.3 12 50 20140 360 31 -0.0 -31.0 | 330 30 15.1 -26.4 13 30 23290 10 38 -6.6 -37.4 | 346 34 8.5 -32.9 14 20 25740 10 40 -6.9 -39.4 | 347 36 8.1 -34.8 15 10 29830 360 58 -0.0 -58.0 | 344 56 15.1 -53.4 Wind Parameters Mean winds (0-6000m): 43.1 at 21.0 knts Storm direction: 73.1 at 15.8 knts Shear (0-3000m) pos: 2.7 neg: 0.0 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 47.4 deg Storm rel helicity (0-3000m) pos: 83.8 neg: 0.0 tot: 83.8 m^2/s^2 ave: 27.9 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 2.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.48 Bulk Shear: 33.70 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 ------------------------------------------------------------------------------- 500 354 16 305 20| 4.3 0.0 4.3| 23.5 0.0 23.5 47.0 1.00| 4.3 4.3 1000 359 18 311 20| 4.5 0.0 4.5| 48.6 0.0 48.6 48.6 0.99| 4.5 4.5 1500 4 19 317 20| 4.3 0.0 4.3| 70.2 0.0 70.2 46.8 0.98| 4.5 4.4 2000 8 20 321 20| 3.3 0.0 3.3| 72.8 0.0 72.8 36.4 0.91| 3.8 3.4 2500 11 20 324 19| 2.7 0.0 2.7| 74.7 0.0 74.7 29.9 0.85| 3.3 2.8 3000 13 21 326 19| 2.7 0.0 2.7| 83.8 0.0 83.8 27.9 0.79| 3.5 2.8 4000 24 21 335 16| 3.7 0.0 3.7|118.0 0.0 118.0 29.5 0.81| 5.3 4.3 5000 31 21 342 14| 3.7 0.0 3.7|176.9 0.0 176.9 35.4 0.77| 6.4 5.0 6000 43 21 356 11| 3.2 0.3 3.5|207.3 -31.1 176.2 29.4 0.67| 6.3 4.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251028.23.gif