UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042311.upa.cvt Date: 1100Z 23 APR 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 23 APR 25 Station: BGSC WMO ident: 4339 Latitude: 70.48 Longitude: -21.95 Elevation: 69.00 ------------------------------------------------------------------------------- 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 1019 69 -15.5 -18.0 81 2.5 -15.9 0 0 256.3 256.4 256.1 258.7 0.91 1 988 306 -5.1 -14.1 49 9.0 -7.4 346 1 269.0 269.2 266.4 272.6 1.30 2 915 905 -5.5 -22.5 25 17.0 -9.1 310 4 274.5 274.7 269.0 276.6 0.69 3 867 1323 -9.5 -21.5 37 12.0 -12.0 284 6 274.6 274.8 269.2 277.0 0.79 4 850 1475 -9.7 -21.7 37 12.0 -12.2 275 7 276.0 276.1 270.1 278.3 0.79 5 804 1902 -11.9 -22.9 40 11.0 -14.0 279 12 278.1 278.2 271.3 280.3 0.75 6 796 1979 -11.9 -22.9 40 11.0 -14.1 280 12 278.9 279.0 271.8 281.1 0.76 7 784 2095 -12.1 -35.1 13 23.0 -15.3 281 14 279.9 279.9 271.5 280.6 0.25 8 747 2464 -12.5 -48.5 3 36.0 -16.2 285 18 283.3 283.3 273.2 283.5 0.06 9 722 2725 -11.7 -36.7 11 25.0 -15.3 288 20 287.0 287.0 275.5 287.7 0.23 10 700 2961 -12.9 -28.9 25 16.0 -15.7 290 23 288.2 288.3 276.6 289.8 0.50 11 676 3226 -13.5 -34.5 15 21.0 -16.7 289 25 290.4 290.5 277.4 291.4 0.30 12 643 3603 -16.3 -31.3 26 15.0 -18.7 287 27 291.4 291.5 278.0 292.8 0.43 13 594 4194 -19.7 -29.7 41 10.0 -21.3 285 30 294.2 294.3 279.5 295.9 0.55 14 559 4642 -21.9 -30.9 44 9.0 -23.2 283 33 296.7 296.8 280.6 298.4 0.52 15 500 5450 -28.7 -34.7 56 6.0 -29.4 280 38 298.0 298.1 281.1 299.4 0.40 16 456 6107 -31.7 -36.7 61 5.0 -32.2 282 45 302.2 302.3 282.8 303.5 0.36 17 443 6312 -31.3 -35.6 66 4.3 -31.8 283 48 305.3 305.3 284.1 306.7 0.42 18 406 6926 -35.5 -38.9 71 3.4 -35.8 285 55 307.5 307.6 284.8 308.7 0.32 19 400 7030 -35.7 -39.5 68 3.8 -36.0 285 56 308.6 308.6 285.2 309.7 0.31 20 391 7188 -36.1 -41.1 60 5.0 -36.5 284 57 310.1 310.1 285.7 311.0 0.27 21 383 7331 -37.3 -44.3 48 7.0 -37.8 283 59 310.3 310.4 285.7 311.0 0.19 22 300 8970 -49.7 -55.7 49 6.0 -49.9 275 73 315.3 315.3 287.3 315.6 0.07 23 255 10015 -58.5 -66.3 36 7.9 -58.6 285 77 317.3 317.4 287.9 317.4 0.02 24 252 10090 -59.1 -67.1 35 8.0 -59.2 285 75 317.5 317.5 287.9 317.6 0.02 25 250 10140 -59.1 -66.1 40 7.0 -59.2 285 75 318.2 318.2 288.2 318.3 0.02 26 243 10318 -59.3 -65.3 46 6.0 -59.4 284 70 320.5 320.5 288.9 320.6 0.02 27 225 10801 -57.7 -81.7 3 24.0 -57.9 283 58 330.1 330.1 291.7 330.1 0.00 28 200 11550 -53.7 -84.7 1 31.0 -54.0 280 38 347.7 347.7 296.1 347.7 0.00 29 150 13420 -50.7 -82.7 1 32.0 -51.3 275 29 382.7 382.7 302.7 382.7 0.00 30 116 15104 -47.1 -81.1 1 34.0 -48.2 262 19 418.6 418.6 307.6 418.6 0.00 31 101 16015 -49.3 -82.3 1 33.0 -50.3 255 13 431.2 431.2 309.0 431.3 0.00 32 100 16080 -49.3 -82.3 1 33.0 -50.3 255 13 432.5 432.5 309.1 432.5 0.00 TRP 252 10090 -59.1 -67.1 35 8.0 -59.2 285 75 317.5 317.5 287.9 317.6 0.02 WND 255 10015 -58.5 -66.3 36 7.9 -58.6 285 77 317.3 317.4 287.9 317.4 0.02 Sounding variables and indices 1000-500 mb thick: 5236.79 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 33.55 % Est. max temperature: 2.96 C = 37.33 F Sfc-Lift cond lev (LCL): 978.36 mb = 382.27 m = 1254.16 ft T: -5.15 C 700-500 lapse rate: 6.35 C/km ThetaE index: 0.49 C Layer 784.0- 747.0 mb Conv cond level (CCL): 542.06 mb = 4864.97 m = 15961.00 ft Mean mixing ratio: 1.03 g/kg Conv temperature: 25.56 C = 78.00 F Cap Strength: 21.47 C Lifted Index: 21.73 C Risk: None Lifted Index @300 mb: 30.82 C Lifted Index @700 mb: 16.08 C Showalter Index: 16.51 C Risk: None Total Totals Index: 26.00 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 7.00 C K Index: -18.70 Risk: None Sweat Index: 52.00 Risk: None Energy Index: 4.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.82 J/kg Max Up Vert Vel: 10.57 m/s Conv Inhibition (B-): 24233.96 J/kg Cap Strength: 21.71 C Lift Cond Lev (LCL): 820.32 mb = 1748.10 m = 5735.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 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 1019 69 0 0 -0.0 -0.0 | 133 16 -11.8 11.2 1 850 1475 275 7 7.0 -0.6 | 155 12 -4.8 10.6 2 700 2961 290 23 21.6 -7.9 | 251 10 9.8 3.3 3 500 5450 280 38 37.4 -6.6 | 260 26 25.6 4.6 4 400 7030 285 56 54.1 -14.5 | 275 42 42.3 -3.3 5 300 8970 275 73 72.7 -6.4 | 265 61 60.9 4.8 6 255 10015 285 77 74.4 -19.9 | 278 63 62.6 -8.8 7 252 10090 285 75 72.4 -19.4 | 278 61 60.6 -8.2 8 250 10140 285 75 72.4 -19.4 | 278 61 60.6 -8.2 9 200 11550 280 38 37.4 -6.6 | 260 26 25.6 4.6 10 150 13420 275 29 28.9 -2.5 | 243 19 17.1 8.6 11 100 16080 255 13 12.6 3.4 | 183 15 0.7 14.5 Wind Parameters Mean winds (0-6000m): 283.4 at 21.7 knts Storm direction: 313.4 at 16.3 knts Shear (0-3000m) pos: 2.7 neg: 1.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 119.4 deg Storm rel helicity (0-3000m) pos: 54.0 neg: -3.4 tot: 50.6 m^2/s^2 ave: 16.9 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 3.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.95 Bulk Shear: 58.68 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 ------------------------------------------------------------------------------- 500 231 1 137 16| 0.0 2.6 2.6| 0.1 -3.4 -3.3 -6.6 -0.31| 2.7 -0.8 1000 265 2 140 15| 0.0 2.6 2.6| 6.2 -3.4 2.8 2.8 0.19| 3.0 0.6 1500 275 4 143 14| 0.0 2.7 2.7| 18.2 -3.4 14.8 9.9 0.51| 3.4 1.7 2000 277 5 148 12| 1.4 2.1 3.5| 30.8 -3.4 27.4 13.7 0.65| 4.0 2.6 2500 281 8 156 11| 2.3 1.6 3.9| 43.2 -3.4 39.7 15.9 0.74| 4.3 3.2 3000 285 10 165 9| 2.7 1.4 4.1| 54.0 -3.4 50.6 16.9 0.76| 4.5 3.4 4000 286 14 192 7| 2.1 1.8 3.9| 59.3 -3.4 55.9 14.0 0.66| 4.2 2.8 5000 285 18 220 9| 1.6 2.1 3.8| 60.9 -3.5 57.5 11.5 0.56| 4.0 2.2 6000 283 22 236 11| 1.9 2.1 4.0| 87.4 -4.0 83.5 13.9 0.52| 4.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20250423.11.gif