UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120623.upa.cvt Date: 2300Z 6 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 6 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 1003 41 -6.1 -9.5 77 3.4 -7.1 85 5 266.8 267.1 265.9 271.8 1.85 1 1000 65 -3.7 -12.7 50 9.0 -6.2 83 5 269.5 269.7 267.0 273.4 1.44 2 991 136 -4.3 -11.3 58 7.0 -6.3 76 5 269.5 269.8 267.4 274.0 1.62 3 970 304 -5.7 -9.9 72 4.2 -6.9 61 4 269.8 270.1 268.0 274.9 1.85 4 957 409 -6.7 -10.2 76 3.5 -7.7 51 4 269.8 270.1 267.9 274.9 1.84 5 941 541 -7.5 -16.5 48 9.0 -9.6 39 3 270.3 270.5 267.0 273.5 1.12 6 935 591 -7.1 -18.1 41 11.0 -9.6 34 3 271.2 271.4 267.4 274.0 0.98 7 919 725 -7.7 -18.7 41 11.0 -10.2 22 3 271.9 272.1 267.8 274.7 0.95 8 899 897 -5.7 -17.7 38 12.0 -8.7 6 2 275.7 275.9 270.4 278.8 1.06 9 891 967 -5.1 -20.1 30 15.0 -8.6 359 2 277.0 277.2 270.9 279.6 0.87 10 873 1127 -5.7 -27.7 16 22.0 -9.9 344 2 278.0 278.1 270.8 279.4 0.45 11 850 1336 -5.7 -30.7 12 25.0 -10.2 325 1 280.2 280.2 271.9 281.3 0.35 12 840 1429 -5.3 -32.3 10 27.0 -10.1 323 2 281.5 281.6 272.6 282.5 0.30 13 771 2098 -7.7 -37.7 7 30.0 -12.3 307 8 285.9 286.0 274.9 286.6 0.19 14 751 2301 -8.3 -49.3 2 41.0 -13.1 303 10 287.5 287.5 275.5 287.7 0.06 15 700 2842 -12.7 -43.7 6 31.0 -16.4 290 15 288.4 288.4 276.0 288.8 0.11 16 633 3602 -17.7 -42.7 9 25.0 -20.4 274 16 291.1 291.2 277.4 291.6 0.14 17 584 4199 -22.5 -39.5 20 17.0 -24.3 260 17 292.3 292.4 278.2 293.0 0.21 18 500 5320 -30.7 -44.7 24 14.0 -31.7 235 19 295.6 295.6 279.6 296.1 0.14 19 467 5800 -34.1 -46.1 29 12.0 -34.8 241 21 297.2 297.2 280.3 297.7 0.13 20 400 6860 -43.3 -53.3 32 10.0 -43.6 255 25 298.7 298.7 280.8 299.0 0.07 21 322 8282 -55.9 -62.9 41 7.0 -56.0 259 28 300.4 300.4 281.5 300.5 0.03 22 300 8730 -59.1 -68.1 30 9.0 -59.2 260 29 302.0 302.0 282.2 302.1 0.01 23 268 9426 -64.1 -72.1 33 8.0 -64.1 245 29 304.7 304.7 283.2 304.7 0.01 24 250 9850 -63.5 -69.5 44 6.0 -63.6 230 33 311.7 311.7 285.9 311.7 0.01 25 231 10340 -61.3 -69.3 34 8.0 -61.4 218 32 322.1 322.1 289.4 322.2 0.01 26 214 10814 -63.5 -75.5 18 12.0 -63.6 206 32 325.8 325.8 290.5 325.9 0.01 27 200 11230 -64.1 -77.1 15 13.0 -64.2 195 31 331.2 331.3 292.0 331.3 0.01 28 177 11987 -59.7 -81.7 4 22.0 -59.9 199 28 350.2 350.2 296.7 350.3 0.00 29 160 12617 -60.9 -87.9 2 27.0 -61.1 203 26 358.5 358.5 298.4 358.5 0.00 30 150 13020 -59.9 -88.9 1 29.0 -60.1 205 25 366.9 366.9 300.0 366.9 0.00 31 101 15488 -59.9 -89.9 1 30.0 -60.2 220 23 410.8 410.8 306.6 410.8 0.00 32 100 15550 -59.9 -88.9 1 29.0 -60.2 220 23 412.0 412.0 306.7 412.0 0.00 33 80 16931 -62.5 -91.5 1 29.0 -62.8 245 24 433.8 433.8 309.3 433.8 0.00 34 70 17760 -58.9 -88.9 1 30.0 -59.4 260 25 458.4 458.4 311.6 458.4 0.00 35 58 18930 -62.9 -91.9 1 29.0 -63.3 260 31 474.7 474.7 313.0 474.7 0.00 36 50 19850 -60.5 -89.5 1 29.0 -61.0 260 35 500.9 500.9 315.0 500.9 0.00 37 47 20234 -59.9 -88.9 1 29.0 -60.5 264 36 511.3 511.3 315.7 511.3 0.00 38 30 23020 -61.5 -90.5 1 29.0 -62.3 295 46 577.0 577.0 319.5 577.0 0.00 39 20 25520 -63.9 -91.9 1 28.0 -64.7 285 69 640.6 640.6 322.3 640.6 0.00 40 12 28617 -67.9 -94.9 1 27.0 -68.7 292 85 727.2 727.2 325.3 727.2 0.00 41 10 29720 -65.1 -93.1 1 28.0 -66.4 295 91 776.5 776.5 326.7 776.6 0.01 42 5.0 33967 -62.8 -91.6 1 28.8 -65.7 305 124 957.3 957.3 330.5 957.4 0.02 43 4.3 34898 -62.3 -91.3 1 29.0 -65.7 1001.8 1001.9 331.2 1002.0 0.02 TRP 268 9426 -64.1 -72.1 33 8.0 -64.1 245 29 304.7 304.7 283.2 304.7 0.01 WND 5.0 33967 -62.8 -91.6 1 28.8 -65.7 305 124 957.3 957.3 330.5 957.4 0.02 Sounding variables and indices 1000-500 mb thick: 5255.47 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 19.67 % Est. max temperature: 6.98 C = 44.57 F Sfc-Lift cond lev (LCL): 950.26 mb = 464.59 m = 1524.22 ft T: -7.04 C 700-500 lapse rate: 7.26 C/km ThetaE index: 1.42 C Layer 957.0- 935.0 mb Conv cond level (CCL): 621.52 mb = 3737.56 m = 12262.18 ft Mean mixing ratio: 1.40 g/kg Conv temperature: 18.52 C = 65.34 F Cap Strength: 15.83 C Lifted Index: 17.50 C Risk: None Lifted Index @300 mb: 19.45 C Lifted Index @700 mb: 14.12 C Showalter Index: 12.23 C Risk: None Total Totals Index: 25.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: 0.00 C K Index: -36.70 Risk: None Sweat Index: 21.00 Risk: None Energy Index: 3.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.15 J/kg Max Up Vert Vel: 6.03 m/s Conv Inhibition (B-): 83223.17 J/kg Cap Strength: 17.37 C Lift Cond Lev (LCL): 845.46 mb = 1377.98 m = 4520.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 291 at 9 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 1003 41 85 5 -5.0 -0.4 | 102 14 -13.6 2.8 1 850 1336 325 1 0.6 -0.8 | 107 8 -8.1 2.4 2 700 2842 290 15 14.1 -5.1 | 289 6 5.5 -1.9 3 500 5320 235 19 15.6 10.9 | 206 16 6.9 14.1 4 400 6860 255 25 24.1 6.5 | 238 18 15.5 9.7 5 300 8730 260 29 28.6 5.0 | 247 22 19.9 8.3 6 268 9426 245 29 26.3 12.3 | 229 23 17.6 15.5 7 250 9850 230 33 25.3 21.2 | 214 30 16.6 24.5 8 200 11230 195 31 8.0 29.9 | 179 33 -0.6 33.2 9 150 13020 205 25 10.6 22.7 | 184 26 1.9 25.9 10 100 15550 220 23 14.8 17.6 | 196 22 6.1 20.9 11 70 17760 260 25 24.6 4.3 | 245 18 16.0 7.6 12 50 19850 260 35 34.5 6.1 | 250 27 25.8 9.3 13 30 23020 295 46 41.7 -19.4 | 296 37 33.1 -16.2 14 20 25520 285 69 66.6 -17.9 | 284 60 58.0 -14.6 15 10 29720 295 91 82.5 -38.5 | 295 82 73.8 -35.2 Wind Parameters Mean winds (0-6000m): 260.6 at 12.3 knts Storm direction: 290.6 at 9.2 knts Shear (0-3000m) pos: 0.0 neg: 3.4 tot: 3.4 10-3/s Storm rel Dir Shear (0-3000m): 176.4 deg Storm rel helicity (0-3000m) pos: 4.8 neg: -19.5 tot: -14.8 m^2/s^2 ave: -4.9 10^-3 m/s^2 rel: -0.49 Storm rel vorticity (0-3000m) horiz: 4.1 stream: -2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.51 Bulk Shear: 35.27 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 ------------------------------------------------------------------------------- 500 106 4 109 14| 0.0 3.7 3.7| 0.0 -6.6 -6.6 -13.2 -0.52| 3.9 -2.0 1000 83 3 103 12| 0.0 2.8 2.8| 2.4 -6.6 -4.2 -4.2 -0.15| 3.3 -0.5 1500 67 3 101 11| 0.0 2.4 2.4| 4.8 -8.8 -4.0 -2.7 -0.10| 3.2 -0.3 2000 14 3 89 9| 0.0 3.0 3.0| 4.8 -12.5 -7.8 -3.9 -0.28| 3.6 -1.0 2500 319 5 87 6| 0.0 3.4 3.4| 4.8 -15.5 -10.7 -4.3 -0.44| 4.0 -1.7 3000 299 6 93 3| 0.0 3.4 3.4| 4.8 -19.5 -14.8 -4.9 -0.49| 4.1 -2.0 4000 285 9 166 1| 0.0 2.8 2.8| 4.8 -30.6 -25.8 -6.5 -0.56| 3.9 -2.2 5000 271 11 214 4| 0.0 2.4 2.4| 4.8 -47.4 -42.6 -8.5 -0.60| 3.8 -2.3 6000 261 12 214 6| 0.3 2.1 2.4| 22.5 -53.1 -30.6 -5.1 -0.45| 3.7 -1.7 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251206.23.gif