UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101723.upa.cvt Date: 2300Z 17 OCT 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 17 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 1015 12 -7.5 -13.5 62 6.0 -8.9 295 5 264.5 264.7 263.3 268.1 1.33 1 993 183 -5.7 -12.7 58 7.0 -7.5 302 7 268.0 268.2 266.0 272.0 1.45 2 978 301 -6.1 -14.1 53 8.0 -8.1 307 8 268.8 269.0 266.3 272.4 1.31 3 933 667 -8.5 -14.5 62 6.0 -10.0 321 12 270.0 270.2 267.1 273.7 1.33 4 905 903 -8.1 -15.1 57 7.0 -9.9 331 14 272.7 272.9 268.9 276.4 1.30 5 900 946 -8.3 -15.3 57 7.0 -10.1 332 14 273.0 273.2 269.1 276.6 1.29 6 850 1386 -11.1 -16.1 67 5.0 -12.3 350 19 274.5 274.7 270.0 278.2 1.28 7 785 1992 -15.3 -17.9 80 2.6 -15.9 348 21 276.3 276.5 271.0 279.8 1.19 8 774 2098 -16.1 -19.0 78 2.9 -16.7 348 21 276.6 276.8 271.0 279.8 1.10 9 749 2345 -17.7 -20.9 76 3.2 -18.3 347 22 277.5 277.6 271.3 280.3 0.96 10 700 2849 -19.9 -24.3 68 4.4 -20.6 345 23 280.4 280.6 272.8 282.7 0.76 11 632 3602 -23.9 -29.9 58 6.0 -24.7 330 24 284.2 284.3 274.5 285.8 0.51 12 600 3980 -26.5 -33.5 52 7.0 -27.3 322 24 285.4 285.5 274.9 286.7 0.38 13 582 4200 -27.1 -32.1 62 5.0 -27.7 318 24 287.2 287.3 276.0 288.7 0.45 14 500 5280 -34.3 -39.2 61 4.9 -34.7 295 25 291.2 291.3 277.7 292.1 0.26 15 436 6220 -40.5 -45.5 59 5.0 -40.8 289 29 295.0 295.0 279.3 295.5 0.15 16 424 6408 -41.5 -45.0 69 3.5 -41.7 288 29 296.1 296.1 279.8 296.6 0.16 17 412 6602 -42.1 -54.1 26 12.0 -42.5 286 30 297.7 297.8 280.4 298.0 0.06 18 400 6800 -43.7 -47.6 65 3.9 -43.9 285 31 298.2 298.2 280.7 298.6 0.13 19 364 7431 -46.9 -52.9 50 6.0 -47.1 288 32 302.1 302.1 282.3 302.4 0.08 20 300 8690 -56.3 -60.5 59 4.2 -56.3 295 35 306.0 306.0 283.8 306.1 0.04 21 290 8905 -57.1 -61.0 61 3.9 -57.2 300 36 307.8 307.8 284.5 308.0 0.04 22 278 9174 -54.9 -66.9 21 12.0 -55.1 299 37 314.7 314.7 287.0 314.8 0.02 23 277 9197 -54.7 -67.7 19 13.0 -54.9 298 37 315.4 315.4 287.2 315.4 0.02 24 260 9604 -52.7 -70.7 10 18.0 -52.9 296 39 324.1 324.1 290.0 324.1 0.01 25 250 9860 -47.5 -72.5 4 25.0 -48.0 295 40 335.4 335.4 293.2 335.5 0.01 26 240 10131 -44.7 -73.7 2 29.0 -45.4 292 39 343.6 343.6 295.2 343.6 0.01 27 226 10532 -46.5 -80.5 1 34.0 -47.1 288 38 346.8 346.8 295.9 346.8 0.00 28 217 10801 -47.9 -80.9 1 33.0 -48.5 285 37 348.7 348.7 296.3 348.7 0.00 29 200 11340 -47.3 -80.3 1 33.0 -48.0 280 35 357.9 357.9 298.3 357.9 0.00 30 166 12563 -50.7 -82.7 1 32.0 -51.2 280 38 371.8 371.8 300.9 371.8 0.00 31 150 13230 -46.3 -80.3 1 34.0 -47.3 280 40 390.3 390.3 303.8 390.3 0.00 32 145 13455 -45.9 -79.9 1 34.0 -46.9 281 39 394.8 394.8 304.5 394.8 0.00 33 141 13640 -46.1 -80.1 1 34.0 -47.1 282 38 397.6 397.6 304.9 397.6 0.00 34 120 14698 -50.9 -82.9 1 32.0 -51.6 288 32 407.6 407.6 306.2 407.6 0.00 35 113 15091 -48.1 -81.1 1 33.0 -49.1 290 30 419.9 419.9 307.7 419.9 0.00 36 101 15825 -50.5 -82.5 1 32.0 -51.4 295 25 428.9 428.9 308.7 429.0 0.00 37 100 15890 -50.9 -82.9 1 32.0 -51.7 295 25 429.4 429.4 308.8 429.4 0.00 38 74 17812 -59.7 -89.7 1 30.0 -60.1 303 33 449.5 449.5 310.8 449.5 0.00 39 70 18160 -59.7 -89.7 1 30.0 -60.2 305 35 456.7 456.7 311.5 456.7 0.00 40 54 19771 -62.5 -91.5 1 29.0 -62.9 301 26 485.4 485.4 313.9 485.4 0.00 41 50 20250 -59.1 -89.1 1 30.0 -59.7 300 23 504.2 504.2 315.2 504.2 0.00 42 39 21771 -70.3 -96.3 1 26.0 -70.5 268 14 513.0 513.0 315.8 513.0 0.00 43 35 22424 -64.9 -92.9 1 28.0 -65.3 255 10 543.2 543.2 317.7 543.2 0.00 44 30 23360 -67.5 -94.5 1 27.0 -67.9 235 5 560.6 560.6 318.7 560.6 0.00 45 20 25790 -68.1 -95.1 1 27.0 -68.6 315 29 627.7 627.7 321.8 627.7 0.00 46 16 27121 -72.3 -98.3 1 26.0 -72.6 299 28 655.4 655.4 322.9 655.4 0.00 47 10 29920 -68.5 -95.5 1 27.0 -69.4 265 25 763.9 763.9 326.3 763.9 0.00 48 5.2 33865 -65.9 -93.9 1 28.0 -67.9 932.6 932.7 330.0 932.7 0.01 TRP 290 8905 -57.1 -61.0 61 3.9 -57.2 300 36 307.8 307.8 284.5 308.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5152.08 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.20 inches Sfc-500 mean rel hum: 63.94 % Est. max temperature: 2.06 C = 35.71 F Sfc-Lift cond lev (LCL): 922.23 mb = 757.11 m = 2483.94 ft T: -8.35 C 700-500 lapse rate: 5.92 C/km ThetaE index: 0.00 C Layer 1015.0- -0.0 mb Conv cond level (CCL): 762.67 mb = 2209.01 m = 7247.33 ft Mean mixing ratio: 1.34 g/kg Conv temperature: 5.01 C = 41.02 F Cap Strength: 13.10 C Lifted Index: 15.51 C Risk: None Lifted Index @300 mb: 23.69 C Lifted Index @700 mb: 8.50 C Showalter Index: 11.03 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 23.20 C Cross Totals Index: 18.20 C K Index: 2.70 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.23 J/kg Max Up Vert Vel: 6.04 m/s Conv Inhibition (B-): 65646.80 J/kg Cap Strength: 15.38 C Lift Cond Lev (LCL): 863.86 mb = 1261.53 m = 4138.83 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 354 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 1015 12 295 5 4.5 -2.1 | 192 14 3.0 13.5 1 850 1386 350 19 3.3 -18.7 | 330 4 1.7 -3.1 2 700 2849 345 23 6.0 -22.2 | 326 8 4.4 -6.6 3 500 5280 295 25 22.7 -10.6 | 256 22 21.1 5.1 4 400 6800 285 31 29.9 -8.0 | 255 29 28.4 7.6 5 300 8690 295 35 31.7 -14.8 | 268 30 30.2 0.8 6 290 8905 300 36 31.2 -18.0 | 275 30 29.6 -2.4 7 250 9860 295 40 36.3 -16.9 | 272 35 34.7 -1.3 8 200 11340 280 35 34.5 -6.1 | 254 34 32.9 9.6 9 150 13230 280 40 39.4 -6.9 | 257 39 37.8 8.7 10 100 15890 295 25 22.7 -10.6 | 256 22 21.1 5.1 11 70 18160 305 35 28.7 -20.1 | 279 27 27.1 -4.4 12 50 20250 300 23 19.9 -11.5 | 257 19 18.4 4.1 13 30 23360 235 5 4.1 2.9 | 188 19 2.5 18.5 14 20 25790 315 29 20.5 -20.5 | 284 20 18.9 -4.9 15 10 29920 265 25 24.9 2.2 | 233 29 23.3 17.8 Wind Parameters Mean winds (0-6000m): 324.3 at 21.0 knts Storm direction: 354.3 at 15.7 knts Shear (0-3000m) pos: 2.9 neg: 0.8 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 125.4 deg Storm rel helicity (0-3000m) pos: 28.7 neg: -3.3 tot: 25.4 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.65 Bulk Shear: 28.00 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 ------------------------------------------------------------------------------- 500 346 7 181 9| 5.8 0.0 5.8| 14.1 0.0 14.1 28.3 0.76| 5.9 4.5 1000 336 10 200 7| 6.1 0.0 6.1| 23.3 0.0 23.3 23.3 0.72| 6.4 4.6 1500 341 13 214 5| 5.8 0.0 5.8| 28.7 -0.0 28.7 19.1 0.77| 6.4 4.9 2000 344 14 234 3| 4.4 0.4 4.7| 28.7 -0.2 28.5 14.3 0.70| 5.2 3.7 2500 345 16 262 3| 3.5 0.6 4.1| 28.7 -0.4 28.3 11.3 0.65| 4.5 2.9 3000 345 17 285 3| 2.9 0.8 3.7| 28.7 -3.3 25.4 8.5 0.53| 4.1 2.2 4000 340 19 292 5| 2.2 1.5 3.7| 28.7 -22.4 6.2 1.6 0.19| 4.2 0.8 5000 333 20 285 8| 1.7 2.0 3.7| 28.7 -50.3 -21.6 -4.3 -0.00| 4.3 -0.0 6000 324 21 277 11| 1.5 2.1 3.6| 28.8 -60.5 -31.7 -5.3 -0.04| 4.1 -0.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251017.23.gif