UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100811.upa.cvt Date: 1100Z 8 OCT 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 8 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 970 12 -1.5 -2.6 92 1.1 -1.9 330 35 274.0 274.6 272.8 282.9 3.25 1 950 178 -1.1 -2.3 92 1.2 -1.6 333 34 276.1 276.6 274.2 285.4 3.39 2 935 305 2.4 0.7 89 1.7 1.7 336 33 280.9 281.6 278.1 292.9 4.30 3 868 901 -0.5 -3.4 81 2.9 -1.7 347 28 283.9 284.5 278.4 293.6 3.42 4 850 1067 -2.5 -4.3 87 1.8 -3.2 350 27 283.5 284.1 278.0 292.8 3.27 5 782 1719 -9.1 -9.1 100 0.0 -9.1 352 26 283.3 283.7 276.8 290.3 2.45 6 744 2103 -11.7 -11.9 98 0.2 -11.8 353 26 284.5 284.9 276.9 290.5 2.06 7 700 2566 -15.1 -15.1 100 0.0 -15.1 355 25 285.8 286.1 277.0 290.8 1.69 8 609 3602 -22.3 -22.8 96 0.5 -22.4 347 26 289.1 289.3 277.7 292.2 1.00 9 600 3711 -22.9 -23.6 94 0.7 -23.0 346 26 289.6 289.8 277.9 292.6 0.95 10 561 4201 -24.9 -25.9 91 1.0 -25.1 342 26 292.9 293.0 279.3 295.5 0.83 11 532 4585 -26.9 -28.2 89 1.3 -27.1 339 27 295.0 295.1 280.1 297.2 0.70 12 523 4708 -27.3 -28.7 88 1.4 -27.5 338 27 295.9 296.0 280.5 298.1 0.68 13 500 5030 -29.5 -31.4 84 1.9 -29.7 335 27 297.1 297.2 280.8 298.9 0.55 14 479 5336 -31.5 -33.6 82 2.1 -31.7 328 24 298.3 298.4 281.3 299.8 0.47 15 417 6304 -38.5 -41.8 71 3.3 -38.7 307 14 301.3 301.4 282.3 302.2 0.23 16 415 6338 -38.5 -41.9 70 3.4 -38.7 306 14 301.8 301.8 282.4 302.6 0.23 17 406 6488 -39.9 -44.4 62 4.5 -40.2 302 12 301.8 301.9 282.4 302.5 0.18 18 400 6590 -40.1 -47.1 47 7.0 -40.5 300 11 302.9 302.9 282.7 303.4 0.14 19 386 6834 -39.7 -50.7 30 11.0 -40.2 298 17 306.5 306.5 284.1 306.8 0.09 20 374 7049 -40.7 -54.7 21 14.0 -41.3 297 22 308.0 308.0 284.7 308.2 0.06 21 363 7252 -41.9 -55.9 20 14.0 -42.4 295 27 309.0 309.0 285.0 309.2 0.05 22 306 8406 -43.9 -58.9 17 15.0 -44.4 286 20 321.7 321.7 289.3 321.8 0.04 23 300 8540 -39.3 -53.3 21 14.0 -40.1 285 19 330.0 330.0 291.8 330.3 0.09 24 276 9108 -42.1 -61.1 11 19.0 -42.8 267 13 333.9 333.9 292.8 334.0 0.04 25 250 9780 -41.1 -61.1 10 20.0 -42.0 245 5 345.0 345.0 295.6 345.1 0.04 26 230 10348 -39.5 -62.5 7 23.0 -40.6 211 5 355.7 355.7 297.9 355.9 0.04 27 225 10499 -39.5 -63.5 6 24.0 -40.7 203 5 358.0 358.0 298.3 358.1 0.03 28 215 10809 -40.7 -68.7 3 28.0 -41.9 184 5 360.8 360.8 298.9 360.9 0.02 29 200 11300 -41.9 -76.9 1 35.0 -43.0 155 5 366.4 366.4 299.9 366.5 0.01 30 162 12722 -41.9 -76.9 1 35.0 -43.3 155 6 389.2 389.2 303.7 389.2 0.01 31 150 13240 -43.7 -78.7 1 35.0 -44.9 155 7 394.8 394.8 304.5 394.8 0.01 32 101 15874 -48.7 -81.7 1 33.0 -49.8 189 21 432.4 432.4 309.1 432.4 0.00 33 100 15940 -48.7 -81.7 1 33.0 -49.8 190 21 433.6 433.6 309.2 433.7 0.01 34 70 18260 -52.7 -84.7 1 32.0 -53.7 195 17 471.6 471.6 312.8 471.7 0.00 35 54 19921 -56.9 -86.9 1 30.0 -57.7 230 17 498.3 498.3 314.8 498.3 0.00 36 50 20410 -56.3 -87.3 1 31.0 -57.2 240 17 510.8 510.8 315.7 510.8 0.00 37 30 23610 -61.7 -90.7 1 29.0 -62.4 210 17 576.4 576.4 319.5 576.5 0.00 38 20 26110 -62.9 -91.9 1 29.0 -63.8 250 15 643.6 643.6 322.4 643.7 0.00 39 14 28297 -64.9 -92.9 1 28.0 -65.9 250 17 706.0 706.0 324.6 706.0 0.00 40 10 30360 -62.9 -91.9 1 29.0 -64.6 250 19 784.8 784.8 326.8 784.8 0.01 41 2.9 38136 -54.5 -85.5 1 31.0 -62.4 1162.8 1162.9 333.4 1163.9 0.09 TRP 363 7252 -41.9 -55.9 20 14.0 -42.4 295 27 309.0 309.0 285.0 309.2 0.05 WND Sounding variables and indices Freezing level: Surface below freezing Freezing level: 945.29 mb = 217.55 m = 713.74 ft Freezing level: 879.55 mb = 797.89 m = 2617.71 ft Wetbulb zero: Below ground Precipitable water: 0.42 inches Sfc-500 mean rel hum: 92.96 % Est. max temperature: 7.84 C = 46.11 F Sfc-Lift cond lev (LCL): 953.27 mb = 150.20 m = 492.78 ft T: -1.17 C 700-500 lapse rate: 5.84 C/km ThetaE index: 3.30 C Layer 850.0- 744.0 mb Conv cond level (CCL): 950.00 mb = 177.52 m = 582.41 ft Mean mixing ratio: 3.76 g/kg Conv temperature: 0.71 C = 33.28 F Cap Strength: 5.43 C Lifted Index: 6.05 C Risk: None Lifted Index @300 mb: 27.77 C Lifted Index @700 mb: -0.06 C Showalter Index: 4.64 C Risk: None Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 25.20 C K Index: 22.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 145.00 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 46.76 J/kg Max Up Vert Vel: 9.67 m/s Conv Inhibition (B-): 69.72 J/kg Cap Strength: 6.00 C Lift Cond Lev (LCL): 891.92 mb = 682.84 m = 2240.26 ft Lev Free Conv (LFC): 786.92 mb = 1670.41 m = 5480.28 ft Equ Level (EL): 686.92 mb = 2706.41 m = 8879.19 ft B at Equ Level: 46.58 J/kg Max Parcel Lev (MPL): 576.92 mb = 3997.40 m = 13114.66 ft Wind level data Storm motion: 13 at 20 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 ---------------------------------------------------------- 0 970 12 330 35 17.5 -30.3 | 297 25 21.9 -11.2 1 850 1067 350 27 4.7 -26.6 | 310 12 9.0 -7.5 2 700 2566 355 25 2.2 -24.9 | 312 9 6.5 -5.8 3 500 5030 335 27 11.4 -24.5 | 289 17 15.8 -5.3 4 400 6590 300 11 9.5 -5.5 | 226 19 13.9 13.6 5 363 7252 295 27 24.5 -11.4 | 255 30 28.8 7.7 6 300 8540 285 19 18.4 -4.9 | 238 27 22.7 14.2 7 250 9780 245 5 4.5 2.1 | 203 23 8.9 21.2 8 200 11300 155 5 -2.1 4.5 | 185 24 2.2 23.7 9 150 13240 155 7 -3.0 6.3 | 183 26 1.4 25.5 10 100 15940 190 21 3.6 20.7 | 191 41 8.0 39.8 11 70 18260 195 17 4.4 16.4 | 194 37 8.8 35.5 12 50 20410 240 17 14.7 8.5 | 215 34 19.1 27.6 13 30 23610 210 17 8.5 14.7 | 201 36 12.9 33.8 14 20 26110 250 15 14.1 5.1 | 217 30 18.5 24.3 15 10 30360 250 19 17.9 6.5 | 221 34 22.2 25.6 Wind Parameters Mean winds (0-6000m): 342.8 at 26.1 knts Storm direction: 12.8 at 19.6 knts Shear (0-3000m) pos: 2.8 neg: 0.3 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 9.0 deg Storm rel helicity (0-3000m) pos: 21.1 neg: -2.2 tot: 18.9 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 3.1 stream: 0.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 4.57 Bulk Shear: 10.22 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 ------------------------------------------------------------------------------- 500 333 33 298 22| 6.8 0.0 6.8| 13.6 0.0 13.6 27.1 0.36| 6.9 2.4 1000 338 31 302 19| 6.5 0.0 6.5| 19.8 0.0 19.8 19.8 0.30| 6.6 2.0 1500 342 30 304 16| 4.9 0.0 4.9| 20.5 0.0 20.5 13.7 0.29| 4.9 1.4 2000 344 29 305 15| 3.9 0.0 3.9| 20.9 0.0 20.9 10.4 0.28| 4.0 1.1 2500 346 28 306 14| 3.3 0.0 3.3| 21.1 0.0 21.1 8.4 0.26| 3.4 0.9 3000 347 28 307 13| 2.8 0.3 3.0| 21.1 -2.2 18.9 6.3 0.19| 3.1 0.6 4000 347 27 305 13| 2.1 0.7 2.8| 21.1 -8.2 12.9 3.2 0.07| 2.8 0.2 5000 346 27 302 13| 1.7 0.9 2.6| 21.1 -16.1 5.0 1.0 -0.02| 2.6 -0.0 6000 343 26 296 13| 1.4 1.4 2.8| 21.1 -76.1 -55.0 -9.2 -0.35| 3.3 -1.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251008.11.gif