UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043023.upa.cvt Date: 2300Z 30 APR 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 30 APR 25 Station: BGEM WMO ident: 4220 Latitude: 68.70 Longitude: -52.85 Elevation: 41.00 ------------------------------------------------------------------------------- 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 994 41 -1.3 -4.8 77 3.5 -2.6 30 5 272.3 272.8 270.9 279.7 2.69 1 977 179 -2.5 -8.5 63 6.0 -4.4 45 5 272.5 272.8 270.0 278.1 2.06 2 963 293 -2.3 -7.2 69 4.9 -4.0 57 5 273.8 274.2 271.2 280.2 2.31 3 945 444 -1.9 -4.8 81 2.9 -3.0 74 6 275.7 276.1 273.2 283.5 2.83 4 892 902 -4.7 -6.2 89 1.5 -5.2 123 6 277.4 277.8 273.9 284.9 2.69 5 850 1280 -7.5 -8.2 95 0.7 -7.7 165 7 278.3 278.7 274.0 285.1 2.42 6 828 1484 -8.3 -8.4 99 0.1 -8.4 168 9 279.5 280.0 274.8 286.5 2.45 7 799 1760 -9.3 -9.6 98 0.3 -9.4 171 11 281.3 281.7 275.6 287.9 2.31 8 765 2095 -11.9 -12.9 92 1.0 -12.2 176 15 282.1 282.4 275.3 287.4 1.85 9 700 2768 -16.7 -17.6 93 0.9 -16.9 185 21 284.0 284.2 275.6 288.1 1.37 10 626 3598 -22.5 -23.6 91 1.1 -22.7 183 26 286.6 286.7 276.3 289.4 0.91 11 611 3776 -23.9 -24.6 94 0.7 -24.0 183 27 287.0 287.1 276.5 289.6 0.85 12 576 4204 -27.3 -30.9 71 3.6 -27.8 182 29 287.9 288.0 276.4 289.5 0.50 13 558 4432 -28.9 -33.6 64 4.7 -29.4 182 30 288.6 288.7 276.6 289.9 0.40 14 509 5085 -32.7 -41.7 40 9.0 -33.4 180 34 291.7 291.7 277.8 292.3 0.19 15 500 5210 -33.7 -42.7 40 9.0 -34.3 180 35 292.0 292.0 277.9 292.6 0.18 16 414 6508 -42.3 -49.3 46 7.0 -42.6 184 35 297.1 297.1 280.2 297.4 0.10 17 400 6740 -43.9 -51.9 41 8.0 -44.2 185 35 297.9 297.9 280.6 298.2 0.08 18 341 7798 -48.9 -58.9 30 10.0 -49.1 185 42 305.0 305.1 283.5 305.2 0.04 19 300 8640 -48.3 -62.3 18 14.0 -48.6 190 38 317.3 317.3 287.9 317.4 0.03 20 250 9850 -45.5 -63.5 11 18.0 -46.1 200 38 338.4 338.4 294.0 338.5 0.03 21 217 10795 -44.3 -64.3 9 20.0 -45.0 206 34 354.3 354.3 297.5 354.4 0.03 22 200 11340 -44.9 -69.9 4 25.0 -45.7 210 31 361.7 361.7 299.0 361.7 0.02 23 170 12425 -45.5 -79.5 1 34.0 -46.4 210 33 377.9 377.9 301.9 377.9 0.00 24 150 13260 -45.3 -79.3 1 34.0 -46.3 210 35 392.0 392.0 304.1 392.0 0.00 25 117 14913 -47.5 -80.5 1 33.0 -48.6 213 29 416.8 416.8 307.3 416.8 0.01 26 111 15263 -44.9 -78.9 1 34.0 -46.3 214 28 428.0 428.0 308.6 428.0 0.01 27 101 15894 -45.9 -79.9 1 34.0 -47.3 215 25 437.8 437.8 309.7 437.8 0.01 28 100 15960 -45.9 -79.9 1 34.0 -47.3 215 25 439.0 439.0 309.8 439.1 0.01 29 89 16734 -45.5 -79.5 1 34.0 -47.1 210 23 454.7 454.7 311.3 454.8 0.01 30 73 18044 -48.3 -81.3 1 33.0 -49.8 202 20 475.3 475.3 313.1 475.4 0.01 31 70 18320 -47.1 -81.1 1 34.0 -48.8 200 19 483.6 483.6 313.7 483.7 0.01 32 50 20530 -48.3 -81.3 1 33.0 -50.3 195 11 529.6 529.7 316.9 529.7 0.01 33 30 23890 -49.3 -82.3 1 33.0 -52.0 135 3 610.2 610.2 321.0 610.3 0.02 34 25 25084 -49.9 -82.9 1 33.0 -52.9 128 6 641.2 641.2 322.3 641.3 0.02 35 20 26550 -47.7 -80.7 1 33.0 -51.9 120 9 690.2 690.2 324.1 690.4 0.03 36 15 28459 -45.7 -79.7 1 34.0 -51.5 89 10 756.0 756.0 326.1 756.4 0.05 37 13 29407 -48.3 -81.3 1 33.0 -53.6 73 10 778.6 778.6 326.7 779.0 0.04 38 10 31150 -44.5 -78.5 1 34.0 -52.4 45 11 853.4 853.5 328.5 854.3 0.08 39 5.4 35367 -34.5 -72.5 1 38.0 -51.1 1062.4 1062.7 332.2 1067.6 0.39 TRP 341 7798 -48.9 -58.9 30 10.0 -49.1 185 42 305.0 305.1 283.5 305.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5169.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 81.95 % Est. max temperature: 5.00 C = 41.00 F Sfc-Lift cond lev (LCL): 940.90 mb = 478.21 m = 1568.90 ft T: -2.11 C 700-500 lapse rate: 6.96 C/km ThetaE index: 1.51 C Layer 977.0- 963.0 mb Conv cond level (CCL): 852.46 mb = 1257.31 m = 4124.99 ft Mean mixing ratio: 2.58 g/kg Conv temperature: 4.61 C = 40.29 F Cap Strength: 8.35 C Lifted Index: 8.47 C Risk: None Lifted Index @300 mb: 24.86 C Lifted Index @700 mb: 4.32 C Showalter Index: 6.24 C Risk: None Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 25.50 C K Index: 17.10 Risk: < 20 % chance of thunderstorms Sweat Index: 103.00 Risk: None Energy Index: 1.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.87 J/kg Max Up Vert Vel: 6.76 m/s Conv Inhibition (B-): 70619.33 J/kg Cap Strength: 8.43 C Lift Cond Lev (LCL): 894.62 mb = 878.28 m = 2881.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 210 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 ---------------------------------------------------------- 0 994 41 30 5 -2.5 -4.3 | 30 21 -10.6 -18.1 1 850 1280 165 7 -1.8 6.8 | 54 12 -9.9 -7.1 2 700 2768 185 21 1.8 20.9 | 139 9 -6.2 7.1 3 500 5210 180 35 0.0 35.0 | 159 23 -8.1 21.2 4 400 6740 185 35 3.1 34.9 | 167 22 -5.0 21.1 5 341 7798 185 42 3.7 41.8 | 171 28 -4.4 28.0 6 300 8640 190 38 6.6 37.4 | 176 24 -1.5 23.6 7 250 9850 200 38 13.0 35.7 | 193 22 4.9 21.9 8 200 11340 210 31 15.5 26.8 | 210 15 7.4 13.0 9 150 13260 210 35 17.5 30.3 | 210 19 9.4 16.5 10 100 15960 215 25 14.3 20.5 | 223 9 6.3 6.7 11 70 18320 200 19 6.5 17.9 | 159 4 -1.6 4.0 12 50 20530 195 11 2.8 10.6 | 58 6 -5.2 -3.2 13 30 23890 135 3 -2.1 2.1 | 41 16 -10.2 -11.7 14 20 26550 120 9 -7.8 4.5 | 60 18 -15.8 -9.3 15 10 31150 45 11 -7.8 -7.8 | 36 27 -15.8 -21.6 Wind Parameters Mean winds (0-6000m): 180.2 at 21.3 knts Storm direction: 210.2 at 16.0 knts Shear (0-3000m) pos: 4.7 neg: 0.0 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 113.8 deg Storm rel helicity (0-3000m) pos: 82.9 neg: -0.3 tot: 82.6 m^2/s^2 ave: 27.5 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.25 Bulk Shear: 93.17 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 ------------------------------------------------------------------------------- 500 346 5 19 20| 5.1 0.0 5.1| 27.3 0.0 27.3 54.7 0.96| 5.3 5.1 1000 90 6 45 20| 4.9 0.0 4.9| 43.6 0.0 43.6 43.6 0.75| 5.7 4.3 1500 138 6 54 15| 4.7 0.0 4.7| 50.7 -0.3 50.4 33.6 0.64| 5.7 3.6 2000 158 8 59 13| 4.8 0.0 4.8| 62.8 -0.3 62.5 31.3 0.71| 5.5 3.9 2500 169 10 66 11| 4.8 0.0 4.8| 74.8 -0.3 74.5 29.8 0.76| 5.5 4.2 3000 176 11 75 9| 4.7 0.0 4.7| 82.9 -0.3 82.6 27.5 0.77| 5.2 4.0 4000 179 15 98 8| 3.5 0.7 4.2| 91.1 -0.3 90.8 22.7 0.71| 4.7 3.3 5000 180 18 120 9| 2.8 1.2 4.0| 97.7 -0.3 97.5 19.5 0.65| 4.3 2.8 6000 180 21 133 11| 2.4 1.0 3.4|107.9 -0.3 107.6 17.9 0.65| 3.8 2.5 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20250531.23.gif