UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122323.upa.cvt Date: 2300Z 23 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 23 DEC 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 -9.9 -18.9 48 9.0 -11.7 140 5 263.4 263.5 261.6 265.8 0.86 1 991 96 -8.3 -13.3 67 5.0 -9.5 139 5 265.5 265.8 264.1 269.3 1.38 2 965 301 -10.1 -13.6 75 3.5 -10.9 135 5 265.7 266.0 264.3 269.5 1.38 3 951 414 -11.1 -13.9 80 2.8 -11.8 132 4 265.8 266.1 264.4 269.6 1.37 4 930 586 -11.9 -18.9 56 7.0 -13.3 129 4 266.7 266.9 264.1 269.3 0.92 5 925 627 -12.1 -19.1 56 7.0 -13.5 128 4 266.9 267.1 264.3 269.5 0.91 6 893 895 -14.7 -19.4 67 4.7 -15.6 123 4 267.0 267.1 264.3 269.5 0.92 7 850 1267 -18.1 -20.4 82 2.3 -18.5 115 3 267.2 267.3 264.4 269.7 0.89 8 816 1570 -21.1 -21.8 94 0.7 -21.2 126 5 267.1 267.3 264.3 269.5 0.82 9 759 2101 -25.1 -28.2 75 3.1 -25.5 144 8 268.4 268.5 264.5 269.8 0.49 10 722 2462 -28.1 -31.3 74 3.2 -28.4 157 10 269.0 269.0 264.7 270.1 0.39 11 700 2684 -29.3 -35.3 56 6.0 -29.8 165 11 270.0 270.1 265.2 270.9 0.27 12 615 3598 -34.5 -44.5 36 10.0 -35.0 171 15 274.2 274.3 267.8 274.6 0.12 13 586 3934 -36.7 -47.7 31 11.0 -37.2 173 16 275.5 275.5 268.5 275.8 0.09 14 585 3946 -36.7 -47.7 31 11.0 -37.2 173 16 275.6 275.6 268.6 275.9 0.09 15 564 4198 -38.1 -46.1 43 8.0 -38.4 175 17 276.9 276.9 269.4 277.2 0.11 16 529 4637 -39.9 -47.9 42 8.0 -40.2 177 19 279.8 279.9 271.2 280.2 0.09 17 500 5020 -42.7 -47.5 59 4.8 -42.9 180 21 281.0 281.0 271.9 281.3 0.10 18 415 6252 -51.1 -53.9 72 2.8 -51.2 172 29 285.6 285.6 274.4 285.8 0.06 19 414 6267 -51.1 -53.9 72 2.8 -51.2 172 29 285.8 285.8 274.5 286.0 0.06 20 400 6490 -52.5 -56.0 66 3.5 -52.5 170 31 286.8 286.8 275.0 286.9 0.05 21 353 7290 -56.7 -61.7 53 5.0 -56.8 155 36 291.5 291.5 277.4 291.6 0.03 22 300 8330 -52.7 -67.7 15 15.0 -52.9 175 38 311.1 311.1 285.7 311.1 0.01 23 291 8526 -53.5 -71.5 9 18.0 -53.7 178 37 312.6 312.7 286.3 312.7 0.01 24 271 8987 -51.3 -72.3 6 21.0 -51.6 183 35 322.3 322.3 289.5 322.3 0.01 25 250 9510 -52.5 -76.5 4 24.0 -52.8 190 33 328.0 328.0 291.2 328.0 0.00 26 218 10393 -53.9 -84.9 1 31.0 -54.2 187 37 339.0 339.0 294.1 339.0 0.00 27 205 10790 -52.1 -84.1 1 32.0 -52.5 186 39 347.8 347.8 296.1 347.8 0.00 28 200 10950 -52.1 -84.1 1 32.0 -52.5 185 40 350.3 350.3 296.7 350.3 0.00 29 180 11628 -52.1 -84.1 1 32.0 -52.5 187 43 361.0 361.0 298.9 361.0 0.00 30 150 12800 -53.3 -85.3 1 32.0 -53.8 190 48 378.2 378.2 301.9 378.2 0.00 31 101 15308 -59.1 -89.1 1 30.0 -59.5 185 50 412.4 412.4 306.8 412.4 0.00 32 100 15370 -59.7 -89.7 1 30.0 -60.0 185 50 412.4 412.4 306.8 412.4 0.00 33 84 16456 -62.7 -91.7 1 29.0 -63.0 187 59 427.4 427.4 308.6 427.4 0.00 34 70 17580 -63.9 -91.9 1 28.0 -64.1 190 68 447.7 447.7 310.6 447.7 0.00 35 60 18519 -64.5 -92.5 1 28.0 -64.8 190 68 466.5 466.5 312.3 466.5 0.00 36 50 19620 -68.1 -95.1 1 27.0 -68.3 190 68 483.0 483.0 313.7 483.0 0.00 37 42 20661 -71.1 -97.1 1 26.0 -71.3 192 71 500.3 500.3 314.9 500.3 0.00 38 30 22640 -74.3 -99.3 1 25.0 -74.5 195 77 542.1 542.1 317.6 542.1 0.00 39 20 24970 -78.5 -102.5 1 24.0 -78.6 200 73 595.9 595.9 320.4 595.9 0.00 40 15 26619 -80.3 -104.3 1 24.0 -80.4 204 64 641.0 641.0 322.3 641.0 0.00 41 10 28930 -79.5 -103.5 1 24.0 -79.7 210 52 722.8 722.8 325.1 722.8 0.00 42 8.0 30208 -75.6 -100.7 1 25.1 -76.0 210 89 785.9 785.9 326.9 785.9 0.00 43 5.5 32412 -69.1 -96.1 1 27.0 -70.5 903.6 903.6 329.5 903.7 0.01 TRP 353 7290 -56.7 -61.7 53 5.0 -56.8 155 36 291.5 291.5 277.4 291.6 0.03 WND 8.0 30208 -75.6 -100.7 1 25.1 -76.0 210 89 785.9 785.9 326.9 785.9 0.00 Sounding variables and indices 1000-500 mb thick: 4979.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.12 inches Sfc-500 mean rel hum: 59.49 % Est. max temperature: -6.12 C = 20.98 F Sfc-Lift cond lev (LCL): 863.36 mb = 1149.49 m = 3771.25 ft T: -17.03 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.28 C Layer 930.0- 925.0 mb Conv cond level (CCL): 862.35 mb = 1158.36 m = 3800.36 ft Mean mixing ratio: 1.16 g/kg Conv temperature: -6.18 C = 20.87 F Cap Strength: 8.95 C Lifted Index: 9.69 C Risk: None Lifted Index @300 mb: 29.55 C Lifted Index @700 mb: 1.73 C Showalter Index: 9.43 C Risk: None Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 22.30 C K Index: -1.80 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.72 J/kg Max Up Vert Vel: 4.18 m/s Conv Inhibition (B-): 57358.14 J/kg Cap Strength: 9.56 C Lift Cond Lev (LCL): 875.47 mb = 1044.57 m = 3427.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 10 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 41 140 5 -3.2 3.8 | 51 9 -6.7 -5.4 1 850 1267 115 3 -2.7 1.3 | 38 10 -6.2 -8.0 2 700 2684 165 11 -2.8 10.6 | 103 6 -6.3 1.4 3 500 5020 180 21 0.0 21.0 | 164 12 -3.5 11.8 4 400 6490 170 31 -5.4 30.5 | 157 23 -8.8 21.3 5 353 7290 155 36 -15.2 32.6 | 141 30 -18.7 23.4 6 300 8330 175 38 -3.3 37.9 | 167 29 -6.8 28.6 7 250 9510 190 33 5.7 32.5 | 186 23 2.3 23.3 8 200 10950 185 40 3.5 39.8 | 180 31 0.0 30.6 9 150 12800 190 48 8.3 47.3 | 187 38 4.9 38.0 10 100 15370 185 50 4.4 49.8 | 181 41 0.9 40.6 11 70 17580 190 68 11.8 67.0 | 188 58 8.3 57.7 12 50 19620 190 68 11.8 67.0 | 188 58 8.3 57.7 13 30 22640 195 77 19.9 74.4 | 194 67 16.5 65.2 14 20 24970 200 73 25.0 68.6 | 200 63 21.5 59.4 15 10 28930 210 52 26.0 45.0 | 212 42 22.5 35.8 Wind Parameters Mean winds (0-6000m): 170.6 at 13.1 knts Storm direction: 200.6 at 9.9 knts Shear (0-3000m) pos: 1.8 neg: 0.4 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 64.7 deg Storm rel helicity (0-3000m) pos: 24.0 neg: -5.3 tot: 18.7 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.62 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.73 Bulk Shear: 11.89 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 ------------------------------------------------------------------------------- 500 139 5 49 9| 0.0 1.2 1.2| 0.0 -2.0 -2.0 -4.1 -0.75| 1.2 -0.9 1000 133 4 46 9| 0.0 1.1 1.1| 0.0 -4.3 -4.3 -4.3 -0.80| 1.1 -0.9 1500 129 4 44 9| 0.4 0.7 1.2| 4.2 -5.3 -1.1 -0.7 -0.12| 1.5 -0.2 2000 132 4 47 9| 1.1 0.6 1.7| 12.0 -5.3 6.7 3.3 0.35| 2.0 0.7 2500 143 5 53 8| 1.6 0.4 2.1| 19.3 -5.3 14.0 5.6 0.54| 2.4 1.3 3000 151 6 61 7| 1.8 0.4 2.2| 24.0 -5.3 18.7 6.2 0.62| 2.5 1.5 4000 160 8 79 6| 1.9 0.3 2.2| 32.3 -5.3 27.0 6.7 0.68| 2.4 1.6 5000 168 11 102 6| 2.0 0.2 2.3| 42.1 -5.3 36.8 7.4 0.69| 2.4 1.7 6000 171 13 124 7| 1.7 0.5 2.1| 42.1 -10.2 31.9 5.3 0.49| 2.7 1.3 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251223.23.gif