UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042823.upa.cvt Date: 2300Z 28 APR 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 28 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 998 41 -2.9 -5.7 81 2.8 -3.8 255 7 270.4 270.8 269.4 277.2 2.50 1 975 225 -4.7 -5.6 93 0.9 -5.0 243 8 270.4 270.8 269.5 277.4 2.58 2 966 298 -5.3 -6.9 88 1.6 -5.8 238 9 270.5 270.9 269.2 276.9 2.35 3 911 756 -9.1 -9.5 97 0.4 -9.2 207 12 271.2 271.5 269.2 276.8 2.04 4 894 902 -9.7 -9.8 99 0.1 -9.7 197 12 272.0 272.4 269.7 277.6 2.03 5 857 1228 -10.9 -11.0 99 0.1 -10.9 174 15 274.1 274.4 270.8 279.5 1.92 6 850 1291 -10.9 -11.3 97 0.4 -11.0 170 15 274.7 275.0 271.2 280.0 1.89 7 845 1336 -11.3 -11.7 97 0.4 -11.4 169 16 274.8 275.1 271.1 280.0 1.84 8 764 2102 -16.3 -17.3 92 1.0 -16.5 159 27 277.4 277.6 271.8 281.1 1.29 9 746 2281 -17.7 -18.6 93 0.9 -17.9 157 29 277.8 278.0 271.9 281.2 1.18 10 700 2754 -21.1 -22.3 90 1.2 -21.3 150 36 279.1 279.3 272.2 281.8 0.91 11 624 3596 -24.1 -26.0 84 1.9 -24.4 152 46 285.0 285.1 275.2 287.3 0.73 12 600 3881 -25.9 -28.0 82 2.1 -26.2 152 50 286.1 286.3 275.7 288.1 0.64 13 574 4200 -28.3 -31.9 71 3.6 -28.7 153 54 287.0 287.1 275.9 288.4 0.46 14 555 4441 -29.7 -33.6 69 3.9 -30.1 153 57 288.1 288.2 276.3 289.4 0.40 15 532 4742 -30.1 -37.1 50 7.0 -30.7 154 60 291.1 291.2 277.7 292.1 0.30 16 525 4836 -30.7 -37.7 50 7.0 -31.3 154 62 291.5 291.6 277.9 292.5 0.28 17 500 5180 -33.5 -40.5 49 7.0 -34.0 155 66 292.2 292.2 278.1 292.9 0.22 18 456 5821 -38.9 -42.6 68 3.7 -39.1 151 68 293.2 293.3 278.6 293.9 0.20 19 438 6097 -41.1 -49.1 42 8.0 -41.4 149 69 293.8 293.9 278.7 294.2 0.10 20 429 6238 -42.3 -50.3 41 8.0 -42.6 148 69 294.1 294.1 278.8 294.4 0.09 21 400 6710 -45.3 -53.3 40 8.0 -45.6 145 71 296.1 296.1 279.7 296.4 0.07 22 374 7155 -48.3 -56.3 39 8.0 -48.5 150 79 297.9 297.9 280.5 298.1 0.05 23 363 7351 -48.1 -59.1 27 11.0 -48.3 150 81 300.7 300.7 281.7 300.8 0.04 24 342 7743 -47.7 -64.7 12 17.0 -48.0 158 69 306.4 306.4 284.0 306.5 0.02 25 300 8610 -45.9 -63.9 11 18.0 -46.4 175 44 320.7 320.7 289.0 320.8 0.02 26 259 9592 -42.5 -64.5 7 22.0 -43.3 163 34 339.4 339.4 294.2 339.5 0.03 27 250 9830 -42.7 -65.7 6 23.0 -43.5 160 31 342.6 342.6 295.0 342.7 0.02 28 234 10278 -42.5 -67.5 5 25.0 -43.4 164 29 349.4 349.4 296.5 349.5 0.02 29 217 10789 -42.9 -71.9 3 29.0 -43.8 170 26 356.4 356.4 298.0 356.5 0.01 30 205 11173 -42.9 -76.9 1 34.0 -43.9 173 24 362.3 362.3 299.1 362.3 0.01 31 200 11340 -43.3 -78.3 1 35.0 -44.3 175 23 364.2 364.2 299.5 364.2 0.00 32 150 13270 -44.3 -78.3 1 34.0 -45.4 190 15 393.7 393.7 304.3 393.7 0.01 33 129 14277 -46.3 -80.3 1 34.0 -47.4 188 14 407.5 407.5 306.2 407.5 0.00 34 101 15904 -45.9 -79.9 1 34.0 -47.3 185 11 437.8 437.8 309.7 437.8 0.01 35 100 15970 -46.1 -80.1 1 34.0 -47.5 185 11 438.7 438.7 309.7 438.7 0.01 36 70 18330 -46.7 -80.7 1 34.0 -48.5 220 7 484.5 484.5 313.8 484.5 0.01 37 50 20550 -48.9 -81.9 1 33.0 -50.8 135 5 528.2 528.2 316.8 528.3 0.01 38 30 23910 -48.5 -81.5 1 33.0 -51.4 85 5 612.4 612.4 321.2 612.5 0.02 39 20 26580 -48.9 -81.9 1 33.0 -52.7 160 5 686.5 686.5 324.0 686.7 0.02 40 18 27272 -49.3 -82.3 1 33.0 -53.2 165 5 706.2 706.2 324.6 706.4 0.03 41 10 31180 -43.1 -78.1 1 35.0 -51.7 190 7 858.7 858.7 328.6 859.6 0.09 42 4.8 36235 -32.9 -70.9 1 38.0 -51.2 1106.2 1106.6 332.8 1113.9 0.56 TRP 374 7155 -48.3 -56.3 39 8.0 -48.5 150 79 297.9 297.9 280.5 298.1 0.05 WND 363 7351 -48.1 -59.1 27 11.0 -48.3 150 81 300.7 300.7 281.7 300.8 0.04 Sounding variables and indices 1000-500 mb thick: 5139.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 83.80 % Est. max temperature: 1.44 C = 34.59 F Sfc-Lift cond lev (LCL): 954.91 mb = 388.50 m = 1274.60 ft T: -6.05 C 700-500 lapse rate: 5.11 C/km ThetaE index: 0.60 C Layer 966.0- 894.0 mb Conv cond level (CCL): 928.19 mb = 610.06 m = 2001.49 ft Mean mixing ratio: 2.27 g/kg Conv temperature: -2.33 C = 27.81 F Cap Strength: 12.46 C Lifted Index: 12.77 C Risk: None Lifted Index @300 mb: 30.96 C Lifted Index @700 mb: 3.84 C Showalter Index: 10.37 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.60 C Cross Totals Index: 22.20 C K Index: 10.10 Risk: None Sweat Index: 96.00 Risk: None Energy Index: 2.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.42 J/kg Max Up Vert Vel: 2.97 m/s Conv Inhibition (B-): 81896.47 J/kg Cap Strength: 12.78 C Lift Cond Lev (LCL): 930.57 mb = 590.03 m = 1935.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 185 at 30 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 ---------------------------------------------------------- 0 998 41 255 7 6.8 1.8 | 351 28 4.2 -27.6 1 850 1291 170 15 -2.6 14.8 | 19 16 -5.2 -14.7 2 700 2754 150 36 -18.0 31.2 | 95 21 -20.6 1.7 3 500 5180 155 66 -27.9 59.8 | 135 43 -30.5 30.4 4 400 6710 145 71 -40.7 58.2 | 124 52 -43.3 28.7 5 374 7155 150 79 -39.5 68.4 | 133 57 -42.1 39.0 6 363 7351 150 81 -40.5 70.1 | 133 59 -43.1 40.7 7 300 8610 175 44 -3.8 43.8 | 156 16 -6.4 14.4 8 250 9830 160 31 -10.6 29.1 | 89 13 -13.2 -0.3 9 200 11340 175 23 -2.0 22.9 | 35 8 -4.6 -6.5 10 150 13270 190 15 2.6 14.8 | 360 15 0.0 -14.7 11 100 15970 185 11 1.0 11.0 | 5 19 -1.6 -18.5 12 70 18330 220 7 4.5 5.4 | 355 24 1.9 -24.1 13 50 20550 135 5 -3.5 3.5 | 13 27 -6.1 -25.9 14 30 23910 85 5 -5.0 -0.4 | 14 31 -7.6 -29.9 15 20 26580 160 5 -1.7 4.7 | 10 25 -4.3 -24.7 16 10 31180 190 7 1.2 6.9 | 3 23 -1.4 -22.5 Wind Parameters Mean winds (0-6000m): 155.0 at 39.4 knts Storm direction: 185.0 at 29.5 knts Shear (0-3000m) pos: 0.0 neg: 7.2 tot: 7.2 10-3/s Storm rel Dir Shear (0-3000m): 111.5 deg Storm rel helicity (0-3000m) pos: 125.0 neg: -8.0 tot: 117.1 m^2/s^2 ave: 39.0 10^-3 m/s^2 rel: 0.65 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 166.01 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 ------------------------------------------------------------------------------- 500 211 8 355 22| 0.0 6.1 6.1| 0.9 -8.0 -7.1 -14.3 -0.17| 6.2 -1.0 1000 202 10 356 20| 0.0 6.5 6.5| 22.1 -8.0 14.2 14.2 0.25| 7.1 1.8 1500 187 12 4 18| 0.0 6.7 6.7| 51.3 -8.0 43.3 28.9 0.49| 7.5 3.7 2000 176 14 13 15| 0.0 7.0 7.0| 75.7 -8.0 67.7 33.8 0.62| 7.6 4.7 2500 167 18 28 14| 0.0 7.2 7.2| 99.3 -8.0 91.3 36.5 0.65| 7.7 5.0 3000 162 21 43 13| 0.0 7.2 7.2|125.0 -8.0 117.1 39.0 0.65| 7.6 5.0 4000 157 27 70 14| 1.6 5.4 7.0|187.5 -8.0 179.5 44.9 0.67| 7.3 4.9 5000 156 34 94 16| 2.6 4.3 6.9|256.1 -8.0 248.1 49.6 0.65| 7.2 4.6 6000 155 39 108 20| 2.1 4.1 6.2|263.4 -67.8 195.6 32.6 0.52| 6.7 3.5 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20250428.23.gif