UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042711.upa.cvt Date: 1100Z 27 APR 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 27 APR 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 1021 12 -15.9 -19.4 74 3.5 -16.5 300 9 255.7 255.9 255.4 257.9 0.80 1 1009 101 -14.3 -17.4 77 3.1 -14.9 311 10 258.2 258.3 257.7 260.8 0.97 2 983 299 -15.1 -17.2 84 2.1 -15.5 336 11 259.3 259.5 258.7 262.0 1.01 3 955 518 -14.9 -15.4 96 0.5 -15.0 4 13 261.7 261.9 260.9 264.9 1.21 4 948 574 -13.3 -13.3 100 0.0 -13.3 11 13 263.8 264.1 263.0 267.8 1.44 5 932 704 -11.1 -12.0 93 0.9 -11.3 27 14 267.4 267.6 265.9 271.8 1.63 6 909 896 -11.3 -12.2 93 0.9 -11.5 51 15 269.1 269.4 267.1 273.6 1.65 7 894 1024 -11.3 -11.6 98 0.3 -11.4 67 16 270.4 270.7 268.2 275.2 1.76 8 881 1136 -12.1 -12.3 98 0.2 -12.2 81 17 270.7 271.0 268.2 275.4 1.69 9 850 1409 -14.1 -14.9 94 0.8 -14.3 115 19 271.4 271.6 268.2 275.3 1.41 10 820 1681 -16.1 -16.8 94 0.7 -16.3 117 16 272.1 272.3 268.4 275.6 1.25 11 812 1755 -14.3 -19.0 67 4.7 -15.3 117 16 274.7 274.9 269.8 277.8 1.05 12 806 1811 -14.1 -21.1 55 7.0 -15.4 118 15 275.5 275.7 270.0 278.1 0.88 13 802 1849 -13.7 -22.7 47 9.0 -15.4 118 15 276.4 276.5 270.3 278.6 0.77 14 783 2032 -11.7 -23.7 36 12.0 -14.0 119 13 280.4 280.5 272.6 282.6 0.72 15 776 2101 -11.1 -18.1 56 7.0 -12.8 120 12 281.8 282.0 274.2 285.3 1.18 16 771 2151 -11.1 -18.1 56 7.0 -12.8 120 12 282.3 282.5 274.5 285.8 1.19 17 765 2211 -10.7 -19.7 48 9.0 -12.8 120 11 283.3 283.5 274.8 286.5 1.05 18 717 2708 -12.5 -21.5 47 9.0 -14.5 124 7 286.7 286.8 276.5 289.6 0.96 19 700 2891 -12.3 -41.3 7 29.0 -16.0 125 5 288.9 288.9 276.3 289.4 0.15 20 684 3067 -13.3 -45.3 5 32.0 -17.0 136 5 289.7 289.7 276.6 290.0 0.10 21 683 3078 -13.3 -45.3 5 32.0 -17.0 137 5 289.8 289.8 276.7 290.1 0.10 22 637 3606 -16.7 -47.7 5 31.0 -19.8 170 7 291.8 291.8 277.7 292.0 0.08 23 588 4203 -19.9 -50.9 5 31.0 -22.5 208 8 294.8 294.8 279.1 295.0 0.06 24 558 4590 -21.5 -54.5 3 33.0 -24.0 233 9 297.3 297.4 280.2 297.5 0.04 25 543 4791 -23.1 -38.1 24 15.0 -24.8 246 10 297.8 297.8 280.7 298.7 0.26 26 528 4995 -24.5 -53.5 5 29.0 -26.6 259 10 298.5 298.5 280.7 298.7 0.05 27 515 5176 -25.9 -35.9 39 10.0 -27.1 271 10 298.9 299.0 281.4 300.1 0.35 28 500 5390 -26.7 -40.7 25 14.0 -28.1 285 11 300.5 300.5 281.8 301.2 0.22 29 421 6607 -36.1 -51.1 20 15.0 -36.9 281 14 303.6 303.6 283.0 303.9 0.08 30 400 6960 -38.7 -43.3 62 4.6 -39.0 280 15 304.7 304.7 283.5 305.4 0.21 31 380 7310 -41.7 -45.6 66 3.9 -41.9 276 15 305.2 305.3 283.7 305.8 0.17 32 306 8742 -52.7 -59.7 42 7.0 -52.8 257 13 309.3 309.3 285.1 309.5 0.04 33 300 8870 -53.5 -58.5 54 5.0 -53.6 255 13 309.9 309.9 285.4 310.1 0.05 34 281 9288 -55.3 -69.3 16 14.0 -55.5 267 13 313.2 313.2 286.5 313.3 0.01 35 262 9733 -56.7 -67.7 24 11.0 -56.8 280 13 317.5 317.5 287.9 317.5 0.02 36 250 10030 -55.5 -70.5 14 15.0 -55.7 285 17 323.6 323.6 289.9 323.6 0.01 37 236 10399 -53.7 -77.7 4 24.0 -53.9 279 15 331.7 331.7 292.2 331.7 0.00 38 222 10792 -52.7 -76.7 4 24.0 -53.0 272 14 339.0 339.0 294.1 339.1 0.01 39 208 11214 -50.7 -82.7 1 32.0 -51.1 264 12 348.6 348.6 296.3 348.6 0.00 40 200 11470 -49.9 -82.9 1 33.0 -50.4 260 11 353.8 353.8 297.4 353.8 0.00 41 150 13360 -47.9 -80.9 1 33.0 -48.7 265 5 387.5 387.5 303.4 387.5 0.00 42 101 15965 -49.7 -82.7 1 33.0 -50.7 314 11 430.5 430.5 308.9 430.5 0.00 43 100 16030 -49.9 -82.9 1 33.0 -50.8 315 11 431.3 431.3 309.0 431.3 0.00 44 70 18370 -48.7 -81.7 1 33.0 -50.1 320 9 480.2 480.2 313.5 480.2 0.01 45 50 20580 -48.1 -81.1 1 33.0 -50.1 75 3 530.1 530.1 316.9 530.2 0.01 46 30 23950 -48.3 -81.3 1 33.0 -51.3 130 5 613.0 613.0 321.2 613.1 0.02 47 24 25418 -49.1 -82.1 1 33.0 -52.4 130 6 651.0 651.0 322.7 651.2 0.02 48 20 26620 -47.1 -81.1 1 34.0 -51.5 130 7 692.0 692.0 324.2 692.2 0.03 49 17 27701 -45.1 -79.1 1 34.0 -50.7 115 6 731.3 731.4 325.4 731.7 0.05 50 14 28990 -47.9 -80.9 1 33.0 -53.1 97 5 763.6 763.6 326.3 764.0 0.04 51 10 31230 -43.9 -78.9 1 35.0 -52.1 65 3 855.7 855.7 328.5 856.5 0.08 52 6.0 34704 -38.1 -74.1 1 36.0 -51.9 1015.3 1015.5 331.5 1018.8 0.28 TRP 262 9733 -56.7 -67.7 24 11.0 -56.8 280 13 317.5 317.5 287.9 317.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 5220.66 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 43.23 % Est. max temperature: -0.63 C = 30.87 F Sfc-Lift cond lev (LCL): 964.28 mb = 444.79 m = 1459.27 ft T: -14.97 C 700-500 lapse rate: 5.76 C/km ThetaE index: 0.23 C Layer 700.0- 684.0 mb Conv cond level (CCL): 554.60 mb = 4635.29 m = 15207.47 ft Mean mixing ratio: 1.20 g/kg Conv temperature: 26.06 C = 78.92 F Cap Strength: 28.40 C Lifted Index: 29.41 C Risk: None Lifted Index @300 mb: 32.03 C Lifted Index @700 mb: 22.54 C Showalter Index: 20.92 C Risk: None Total Totals Index: 24.40 C Risk: None Vertical Totals Index: 12.60 C Cross Totals Index: 11.80 C K Index: -31.30 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 5.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.32 J/kg Max Up Vert Vel: 9.41 m/s Conv Inhibition (B-): 93301.28 J/kg Cap Strength: 28.84 C Lift Cond Lev (LCL): 948.45 mb = 570.20 m = 1870.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 at 8 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 1021 12 300 9 7.8 -4.5 | 325 15 8.9 -12.5 1 850 1409 115 19 -17.2 8.0 | 90 16 -16.1 0.0 2 700 2891 125 5 -4.1 2.9 | 30 6 -3.0 -5.1 3 500 5390 285 11 10.6 -2.8 | 313 16 11.7 -10.8 4 400 6960 280 15 14.8 -2.6 | 304 19 15.9 -10.6 5 300 8870 255 13 12.6 3.4 | 289 14 13.6 -4.6 6 262 9733 280 13 12.8 -2.3 | 306 17 13.9 -10.2 7 250 10030 285 17 16.4 -4.4 | 305 21 17.5 -12.4 8 200 11470 260 11 10.8 1.9 | 297 13 11.9 -6.1 9 150 13360 265 5 5.0 0.4 | 321 10 6.1 -7.6 10 100 16030 315 11 7.8 -7.8 | 331 18 8.9 -15.8 11 70 18370 320 9 5.8 -6.9 | 335 16 6.9 -14.9 12 50 20580 75 3 -2.9 -0.8 | 12 9 -1.8 -8.8 13 30 23950 130 5 -3.8 3.2 | 30 6 -2.7 -4.8 14 20 26620 130 7 -5.4 4.5 | 51 6 -4.3 -3.5 15 10 31230 65 3 -2.7 -1.3 | 10 9 -1.6 -9.3 Wind Parameters Mean winds (0-6000m): 142.3 at 10.7 knts Storm direction: 172.3 at 8.1 knts Shear (0-3000m) pos: 2.4 neg: 0.0 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 67.9 deg Storm rel helicity (0-3000m) pos: 213.2 neg: -18.8 tot: 194.4 m^2/s^2 ave: 64.8 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 5.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 3.19 Bulk Shear: 13.88 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 ------------------------------------------------------------------------------- 500 200 10 248 5| 12.0 0.0 12.0| 53.7 0.0 53.7 107.4 0.89| 12.7 11.3 1000 185 12 205 5| 11.6 0.0 11.6|141.3 0.0 141.3 141.3 0.95| 14.6 13.9 1500 111 14 77 13| 9.3 0.0 9.3|212.9 -0.9 212.1 141.4 0.93| 15.4 14.3 2000 114 15 81 12| 5.7 0.0 5.7|212.9 -6.4 206.5 103.3 0.81| 12.8 10.3 2500 115 14 80 12| 3.6 0.0 3.6|212.9 -13.2 199.7 79.9 0.68| 11.2 7.6 3000 116 13 76 11| 2.4 0.0 2.4|213.2 -18.8 194.4 64.8 0.58| 10.1 5.8 4000 124 11 78 8| 1.7 0.0 1.7|213.3 -20.3 193.0 48.2 0.46| 8.5 3.9 5000 133 11 84 7| 0.7 0.0 0.7|222.1 -20.4 201.7 40.3 0.44| 7.9 3.5 6000 142 11 95 6| 0.3 0.1 0.4|234.3 -25.0 209.3 34.9 0.44| 7.1 3.1 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250427.11.gif