UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103123.upa.cvt Date: 2300Z 31 OCT 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:2300Z 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 1017 12 -15.9 -21.9 60 6.0 -16.8 310 23 256.0 256.1 255.3 257.8 0.65 1 994 185 -12.1 -23.1 39 11.0 -13.9 301 21 261.5 261.6 259.6 263.2 0.60 2 979 301 -12.9 -23.9 39 11.0 -14.6 295 19 261.8 261.9 259.8 263.4 0.57 3 904 904 -15.7 -25.7 42 10.0 -17.2 264 11 265.0 265.1 262.1 266.5 0.52 4 871 1183 -17.9 -24.9 54 7.0 -18.9 250 7 265.5 265.6 262.6 267.2 0.58 5 850 1367 -12.9 -22.9 43 10.0 -14.7 240 5 272.6 272.8 267.8 274.7 0.71 6 845 1412 -12.7 -23.7 39 11.0 -14.7 239 5 273.3 273.4 268.2 275.3 0.67 7 822 1622 -14.1 -23.1 46 9.0 -15.7 236 6 274.0 274.1 268.7 276.1 0.72 8 813 1706 -12.9 -23.9 39 11.0 -14.9 234 7 276.1 276.2 270.0 278.2 0.68 9 801 1819 -11.5 -15.1 75 3.6 -12.4 232 7 278.8 279.0 272.9 283.1 1.47 10 772 2101 -13.1 -14.0 93 0.9 -13.3 228 9 280.0 280.3 273.9 284.9 1.68 11 738 2444 -12.5 -21.5 47 9.0 -14.5 222 11 284.3 284.5 275.2 287.1 0.93 12 707 2771 -14.5 -24.5 42 10.0 -16.4 216 13 285.6 285.7 275.6 287.9 0.74 13 700 2846 -15.3 -25.3 42 10.0 -17.1 215 13 285.5 285.7 275.5 287.7 0.70 14 633 3598 -21.3 -29.3 49 8.0 -22.5 221 13 287.0 287.1 276.0 288.7 0.53 15 583 4199 -26.5 -34.5 47 8.0 -27.4 226 13 287.8 287.9 276.1 288.9 0.35 16 500 5290 -35.1 -45.1 35 10.0 -35.7 235 13 290.2 290.3 277.0 290.7 0.14 17 431 6310 -42.9 -50.9 41 8.0 -43.2 228 20 292.9 292.9 278.2 293.2 0.08 18 423 6436 -43.9 -51.9 41 8.0 -44.2 228 20 293.2 293.2 278.4 293.5 0.07 19 400 6810 -46.1 -59.1 22 13.0 -46.4 225 23 295.1 295.1 279.2 295.2 0.03 20 322 8221 -55.5 -63.5 36 8.0 -55.6 236 20 301.0 301.0 281.8 301.0 0.02 21 300 8670 -57.3 -63.3 46 6.0 -57.4 240 19 304.6 304.6 283.2 304.7 0.03 22 288 8926 -58.3 -63.3 53 5.0 -58.3 240 17 306.7 306.7 284.1 306.8 0.03 23 268 9379 -56.5 -69.5 18 13.0 -56.6 230 20 315.7 315.7 287.3 315.8 0.01 24 250 9820 -55.3 -68.3 18 13.0 -55.5 220 23 323.9 323.9 289.9 323.9 0.02 25 227 10437 -55.1 -80.1 3 25.0 -55.4 216 20 333.2 333.2 292.6 333.2 0.00 26 226 10465 -55.1 -80.1 3 25.0 -55.4 215 20 333.6 333.6 292.7 333.7 0.00 27 215 10785 -54.1 -79.1 3 25.0 -54.4 213 19 340.0 340.0 294.3 340.0 0.00 28 200 11250 -53.7 -84.7 1 31.0 -54.0 210 17 347.7 347.7 296.1 347.7 0.00 29 150 13090 -54.7 -85.7 1 31.0 -55.1 210 19 375.8 375.8 301.6 375.8 0.00 30 101 15617 -56.3 -87.3 1 31.0 -56.8 249 21 417.8 417.8 307.4 417.8 0.00 31 100 15680 -56.3 -87.3 1 31.0 -56.8 250 21 418.9 418.9 307.6 419.0 0.00 32 84 16787 -55.7 -86.7 1 31.0 -56.3 250 19 441.6 441.6 310.0 441.6 0.00 33 70 17940 -58.3 -88.3 1 30.0 -58.8 250 17 459.7 459.7 311.7 459.7 0.00 34 50 20040 -61.3 -90.3 1 29.0 -61.8 280 17 499.0 499.0 314.9 499.0 0.00 35 31 22971 -66.5 -94.5 1 28.0 -66.9 285 17 558.1 558.1 318.5 558.1 0.00 36 30 23170 -65.3 -93.3 1 28.0 -65.8 285 17 566.6 566.6 319.0 566.6 0.00 37 23 24775 -69.5 -96.5 1 27.0 -69.9 311 26 599.0 599.0 320.6 599.0 0.00 38 20 25610 -69.3 -96.3 1 27.0 -69.7 325 31 624.0 624.0 321.6 624.1 0.00 39 10 29730 -71.9 -97.9 1 26.0 -72.5 330 35 751.2 751.2 326.0 751.2 0.00 40 7.0 31829 -72.5 -98.5 1 26.0 -73.2 829.4 829.4 328.0 829.4 0.00 TRP 288 8926 -58.3 -63.3 53 5.0 -58.3 240 17 306.7 306.7 284.1 306.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5150.30 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 47.97 % Est. max temperature: -4.99 C = 23.01 F Sfc-Lift cond lev (LCL): 922.02 mb = 754.93 m = 2476.78 ft T: -15.01 C 700-500 lapse rate: 8.10 C/km ThetaE index: 0.20 C Layer 700.0- 633.0 mb Conv cond level (CCL): 545.88 mb = 4666.36 m = 15309.39 ft Mean mixing ratio: 0.57 g/kg Conv temperature: 17.14 C = 62.86 F Cap Strength: 21.00 C Lifted Index: 21.98 C Risk: None Lifted Index @300 mb: 29.08 C Lifted Index @700 mb: 20.54 C Showalter Index: 12.99 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 12.20 C K Index: -10.70 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 3.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.23 J/kg Max Up Vert Vel: 6.67 m/s Conv Inhibition (B-): 78580.45 J/kg Cap Strength: 21.92 C Lift Cond Lev (LCL): 818.13 mb = 1657.80 m = 5438.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 9 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 1017 12 310 23 17.6 -14.8 | 331 17 8.2 -14.7 1 850 1367 240 5 4.3 2.5 | 117 6 -5.1 2.6 2 700 2846 215 13 7.5 10.6 | 170 11 -2.0 10.7 3 500 5290 235 13 10.6 7.5 | 189 8 1.2 7.5 4 400 6810 225 23 16.3 16.3 | 203 18 6.8 16.4 5 300 8670 240 19 16.5 9.5 | 216 12 7.0 9.6 6 288 8926 240 17 14.7 8.5 | 212 10 5.3 8.6 7 250 9820 220 23 14.8 17.6 | 197 19 5.4 17.7 8 200 11250 210 17 8.5 14.7 | 176 15 -0.9 14.8 9 150 13090 210 19 9.5 16.5 | 180 17 0.1 16.5 10 100 15680 250 21 19.7 7.2 | 235 13 10.3 7.3 11 70 17940 250 17 16.0 5.8 | 228 9 6.6 5.9 12 50 20040 280 17 16.7 -3.0 | 291 8 7.3 -2.9 13 30 23170 285 17 16.4 -4.4 | 302 8 7.0 -4.3 14 20 25610 325 31 17.8 -25.4 | 342 27 8.4 -25.3 15 10 29730 330 35 17.5 -30.3 | 345 31 8.1 -30.2 Wind Parameters Mean winds (0-6000m): 240.6 at 12.6 knts Storm direction: 270.6 at 9.4 knts Shear (0-3000m) pos: 0.0 neg: 4.7 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): -160.0 deg Storm rel helicity (0-3000m) pos: 10.7 neg: -28.7 tot: -18.1 m^2/s^2 ave: -6.0 10^-3 m/s^2 rel: -0.30 Storm rel vorticity (0-3000m) horiz: 5.8 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.34 Bulk Shear: 65.03 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 ------------------------------------------------------------------------------- 500 322 20 349 16| 0.0 11.2 11.2| 0.0 -19.7 -19.7 -39.4 -0.55| 11.4 -6.2 1000 307 17 339 11| 0.0 9.6 9.6| 0.0 -25.6 -25.6 -25.6 -0.62| 10.3 -6.4 1500 297 13 338 6| 0.0 7.5 7.5| 0.8 -28.7 -27.9 -18.6 -0.60| 8.9 -5.3 2000 288 12 333 4| 0.0 6.0 6.0| 5.0 -28.7 -23.8 -11.9 -0.44| 7.4 -3.3 2500 276 11 300 2| 0.0 5.2 5.2| 8.5 -28.7 -20.2 -8.1 -0.34| 6.5 -2.2 3000 263 11 234 2| 0.0 4.7 4.7| 10.7 -28.7 -18.1 -6.0 -0.30| 5.8 -1.7 4000 249 12 201 5| 0.2 3.5 3.7| 14.1 -28.7 -14.6 -3.7 -0.25| 4.6 -1.1 5000 243 12 194 6| 0.4 2.8 3.2| 17.0 -28.7 -11.7 -2.3 -0.20| 3.9 -0.8 6000 241 13 194 6| 0.4 2.5 2.9| 22.3 -28.7 -6.4 -1.1 -0.12| 3.7 -0.5 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20251130.23.gif