UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041811.upa.cvt Date: 1100Z 18 APR 25 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 18 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 1028 12 -19.7 -25.7 59 6.0 -20.4 0 0 251.5 251.5 251.0 252.7 0.46 1 1017 92 -20.7 -25.7 64 5.0 -21.2 356 1 251.2 251.3 250.8 252.5 0.46 2 994 261 -18.1 -25.1 54 7.0 -19.0 348 3 255.5 255.6 254.5 256.9 0.50 3 989 299 -18.3 -26.3 49 8.0 -19.3 346 3 255.7 255.7 254.5 256.9 0.45 4 933 731 -20.7 -28.7 49 8.0 -21.6 324 9 257.5 257.6 255.9 258.6 0.38 5 912 900 -19.3 -28.3 45 9.0 -20.4 316 11 260.6 260.7 258.5 261.8 0.41 6 899 1006 -18.7 -28.7 41 10.0 -19.9 311 12 262.3 262.4 259.8 263.5 0.40 7 865 1292 -20.1 -31.1 37 11.0 -21.3 296 15 263.8 263.8 260.8 264.7 0.33 8 850 1422 -19.3 -32.3 31 13.0 -20.7 290 17 265.9 266.0 262.3 266.8 0.30 9 833 1572 -19.1 -34.1 25 15.0 -20.7 291 17 267.7 267.7 263.5 268.4 0.26 10 825 1644 -19.7 -35.7 23 16.0 -21.3 291 18 267.8 267.8 263.5 268.5 0.22 11 776 2096 -21.9 -31.9 40 10.0 -23.0 292 19 270.2 270.2 265.4 271.2 0.34 12 765 2201 -22.3 -31.3 44 9.0 -23.3 293 19 270.8 270.9 266.0 271.9 0.37 13 743 2416 -21.7 -36.7 24 15.0 -23.2 293 20 273.7 273.8 267.7 274.4 0.22 14 700 2853 -23.3 -41.3 18 18.0 -24.8 295 21 276.7 276.7 269.4 277.2 0.15 15 689 2969 -23.5 -43.5 14 20.0 -25.1 295 22 277.7 277.7 270.0 278.1 0.12 16 667 3206 -24.3 -40.3 21 16.0 -25.7 294 25 279.4 279.4 271.1 280.0 0.17 17 632 3596 -26.9 -38.9 31 12.0 -27.9 293 29 280.8 280.8 272.0 281.5 0.21 18 581 4198 -30.7 -42.7 30 12.0 -31.5 292 35 283.2 283.2 273.3 283.7 0.15 19 500 5250 -36.9 -51.9 20 15.0 -37.5 290 46 288.0 288.1 275.7 288.3 0.06 20 414 6531 -45.3 -54.3 36 9.0 -45.6 290 56 293.2 293.2 278.3 293.4 0.06 21 400 6760 -46.3 -56.3 31 10.0 -46.6 290 58 294.8 294.8 279.1 295.0 0.05 22 359 7472 -49.1 -64.1 16 15.0 -49.4 290 62 300.3 300.3 281.5 300.4 0.02 23 343 7770 -48.9 -68.3 9 19.4 -49.2 290 64 304.6 304.6 283.2 304.6 0.01 24 317 8287 -48.5 -75.5 3 27.0 -48.8 287 55 312.0 312.0 286.1 312.1 0.00 25 300 8650 -47.3 -77.3 2 30.0 -47.7 285 48 318.7 318.7 288.3 318.7 0.00 26 272 9299 -46.5 -80.5 1 34.0 -47.0 288 37 328.9 328.9 291.4 328.9 0.00 27 250 9860 -45.1 -79.1 1 34.0 -45.7 290 27 339.0 339.0 294.1 339.0 0.00 28 217 10810 -44.9 -78.9 1 34.0 -45.7 280 28 353.3 353.3 297.4 353.3 0.00 29 200 11360 -43.1 -78.1 1 35.0 -44.1 275 29 364.5 364.5 299.6 364.5 0.00 30 177 12181 -41.9 -76.9 1 35.0 -43.2 275 21 379.5 379.5 302.2 379.5 0.01 31 150 13290 -44.7 -78.7 1 34.0 -45.8 275 11 393.0 393.0 304.2 393.1 0.01 32 136 13948 -43.1 -78.1 1 35.0 -44.5 261 11 407.0 407.0 306.2 407.1 0.01 33 101 15943 -45.1 -79.1 1 34.0 -46.6 216 9 439.3 439.3 309.8 439.4 0.01 34 100 16010 -44.7 -78.7 1 34.0 -46.3 215 9 441.4 441.4 310.0 441.4 0.01 35 70 18390 -45.3 -79.3 1 34.0 -47.3 285 13 487.5 487.5 314.0 487.5 0.01 36 56 19877 -46.9 -80.9 1 34.0 -49.0 265 10 515.9 516.0 316.1 516.0 0.01 37 50 20630 -46.3 -80.3 1 34.0 -48.7 255 9 534.4 534.4 317.2 534.4 0.01 38 30 24020 -46.9 -80.9 1 34.0 -50.3 295 7 616.8 616.8 321.3 616.9 0.02 39 28 24480 -45.3 -79.3 1 34.0 -49.3 286 8 633.5 633.5 322.0 633.7 0.03 40 22 26080 -48.5 -81.5 1 33.0 -52.2 257 10 669.2 669.2 323.4 669.4 0.02 41 20 26710 -47.1 -81.1 1 34.0 -51.5 245 11 692.0 692.0 324.2 692.2 0.03 42 14 29072 -45.7 -79.7 1 34.0 -51.8 266 10 771.1 771.1 326.5 771.5 0.05 43 12 30090 -48.7 -81.7 1 33.0 -54.1 274 10 795.2 795.2 327.1 795.6 0.04 44 10 31290 -47.3 -80.3 1 33.0 -53.9 285 9 843.0 843.0 328.2 843.6 0.06 45 7.0 33671 -43.1 -78.1 1 35.0 -53.2 950.9 951.0 330.4 952.3 0.13 TRP 359 7472 -49.1 -64.1 16 15.0 -49.4 290 62 300.3 300.3 281.5 300.4 0.02 WND 343 7770 -48.9 -68.3 9 19.4 -49.2 290 64 304.6 304.6 283.2 304.6 0.01 Sounding variables and indices 1000-500 mb thick: 5033.40 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 31.92 % Est. max temperature: -7.86 C = 17.86 F Sfc-Lift cond lev (LCL): 931.04 mb = 746.64 m = 2449.59 ft T: -20.57 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.21 C Layer 1017.0- 994.0 mb Conv cond level (CCL): 551.89 mb = 4558.13 m = 14954.31 ft Mean mixing ratio: 0.44 g/kg Conv temperature: 13.97 C = 57.15 F Cap Strength: 22.95 C Lifted Index: 25.89 C Risk: None Lifted Index @300 mb: 44.03 C Lifted Index @700 mb: 18.57 C Showalter Index: 17.54 C Risk: None Total Totals Index: 22.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 4.60 C K Index: -32.70 Risk: None Sweat Index: 80.00 Risk: None Energy Index: 4.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.32 J/kg Max Up Vert Vel: 7.12 m/s Conv Inhibition (B-): 79022.09 J/kg Cap Strength: 25.62 C Lift Cond Lev (LCL): 866.69 mb = 1277.89 m = 4192.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 321 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 1028 12 0 0 -0.0 -0.0 | 141 20 -12.4 15.4 1 850 1422 290 17 16.0 -5.8 | 201 10 3.6 9.6 2 700 2853 295 21 19.0 -8.9 | 226 9 6.7 6.5 3 500 5250 290 46 43.2 -15.7 | 271 31 30.9 -0.3 4 400 6760 290 58 54.5 -19.8 | 276 42 42.1 -4.4 5 359 7472 290 62 58.3 -21.2 | 277 46 45.9 -5.8 6 343 7770 290 64 60.1 -21.9 | 278 48 47.8 -6.5 7 300 8650 285 48 46.4 -12.4 | 265 34 34.0 3.0 8 250 9860 290 27 25.4 -9.2 | 245 14 13.0 6.2 9 200 11360 275 29 28.9 -2.5 | 232 21 16.5 12.9 10 150 13290 275 11 11.0 -1.0 | 174 15 -1.4 14.5 11 100 16010 215 9 5.2 7.4 | 162 24 -7.2 22.8 12 70 18390 285 13 12.6 -3.4 | 181 12 0.2 12.1 13 50 20630 255 9 8.7 2.3 | 168 18 -3.7 17.7 14 30 24020 295 7 6.3 -3.0 | 154 14 -6.0 12.5 15 20 26710 245 11 10.0 4.6 | 173 20 -2.4 20.1 16 10 31290 285 9 8.7 -2.3 | 164 14 -3.7 13.1 Wind Parameters Mean winds (0-6000m): 291.3 at 26.3 knts Storm direction: 321.3 at 19.8 knts Shear (0-3000m) pos: 1.0 neg: 3.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 92.8 deg Storm rel helicity (0-3000m) pos: 38.7 neg: -8.9 tot: 29.7 m^2/s^2 ave: 9.9 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.31 Bulk Shear: 80.79 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 ------------------------------------------------------------------------------- 500 245 2 148 19| 0.0 6.2 6.2| 0.0 -8.9 -8.9 -17.8 -0.30| 6.4 -1.9 1000 281 6 155 16| 0.0 6.2 6.2| 9.9 -8.9 1.0 1.0 0.14| 6.9 1.0 1500 290 9 162 13| 0.0 5.9 5.9| 24.8 -8.9 15.9 10.6 0.41| 7.1 2.9 2000 290 11 171 12| 0.4 4.4 4.8| 28.6 -8.9 19.7 9.8 0.45| 5.7 2.6 2500 291 13 178 11| 0.6 3.5 4.2| 32.3 -8.9 23.4 9.4 0.48| 4.9 2.4 3000 292 14 184 10| 1.0 3.0 3.9| 38.7 -8.9 29.7 9.9 0.53| 4.5 2.4 4000 293 17 204 9| 0.7 3.6 4.3| 61.1 -8.9 52.2 13.0 0.55| 4.8 2.6 5000 292 22 228 11| 0.6 3.9 4.5| 80.2 -8.9 71.3 14.3 0.49| 4.9 2.4 6000 291 26 244 14| 0.5 4.0 4.5|100.5 -8.9 91.6 15.3 0.46| 4.8 2.2 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20250418.11.gif