UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121811.upa.cvt Date: 1100Z 18 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:1100Z 18 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 979 41 -9.5 -12.0 82 2.5 -10.1 85 1 265.3 265.5 264.3 269.5 1.55 1 958 208 -9.3 -16.3 57 7.0 -10.9 95 5 267.1 267.3 264.8 270.2 1.12 2 947 298 -7.1 -18.1 41 11.0 -9.6 100 7 270.2 270.4 266.7 273.0 0.97 3 904 660 -6.3 -20.3 32 14.0 -9.4 122 15 274.7 274.8 269.4 277.1 0.84 4 876 905 -7.3 -18.3 41 11.0 -9.9 136 20 276.1 276.3 270.6 279.1 1.03 5 850 1139 -7.9 -16.9 48 9.0 -10.1 150 25 277.9 278.1 271.9 281.4 1.20 6 833 1296 -7.5 -17.5 45 10.0 -10.0 151 27 279.9 280.1 273.1 283.3 1.16 7 750 2101 -14.5 -19.5 66 5.0 -15.6 153 40 280.8 281.0 273.5 284.1 1.09 8 700 2619 -19.3 -21.9 80 2.6 -19.8 155 48 281.1 281.3 273.4 283.9 0.95 9 662 3031 -23.1 -23.6 96 0.5 -23.2 154 47 281.4 281.5 273.4 283.9 0.86 10 648 3189 -19.9 -30.9 37 11.0 -21.5 154 46 286.7 286.8 275.7 288.1 0.45 11 639 3292 -20.7 -32.7 33 12.0 -22.3 154 46 286.9 287.0 275.7 288.2 0.38 12 613 3599 -22.1 -34.1 33 12.0 -23.6 153 45 288.8 288.8 276.6 289.9 0.35 13 564 4206 -26.5 -45.5 15 19.0 -28.0 152 43 290.5 290.6 277.1 290.9 0.12 14 542 4493 -27.7 -38.7 34 11.0 -28.7 151 42 292.4 292.5 278.3 293.3 0.25 15 500 5070 -30.5 -51.5 11 21.0 -31.7 150 40 295.9 295.9 279.6 296.1 0.07 16 485 5287 -30.7 -54.7 8 24.0 -32.0 150 38 298.2 298.2 280.6 298.4 0.05 17 449 5831 -34.9 -59.9 6 25.0 -35.9 150 33 299.6 299.6 281.2 299.7 0.03 18 400 6630 -40.3 -60.3 10 20.0 -40.9 150 25 302.6 302.6 282.5 302.7 0.03 19 329 7927 -50.7 -65.7 15 15.0 -51.0 153 47 305.7 305.7 283.7 305.8 0.02 20 323 8046 -51.5 -66.5 15 15.0 -51.7 154 50 306.2 306.2 283.9 306.3 0.02 21 300 8520 -55.0 -64.5 30 9.5 -55.1 155 58 307.9 307.9 284.5 308.0 0.02 22 294 8649 -55.9 -63.9 36 8.0 -56.0 154 58 308.3 308.3 284.7 308.4 0.02 23 280 8959 -57.3 -69.3 20 12.0 -57.4 153 56 310.6 310.6 285.6 310.7 0.01 24 250 9670 -60.9 -71.9 22 11.0 -61.0 150 54 315.5 315.5 287.3 315.6 0.01 25 233 10107 -63.1 -72.1 29 9.0 -63.1 160 48 318.6 318.6 288.3 318.6 0.01 26 208 10808 -62.9 -72.9 25 10.0 -63.0 149 39 329.4 329.4 291.6 329.5 0.01 27 200 11050 -62.7 -74.7 18 12.0 -62.8 145 36 333.5 333.5 292.7 333.5 0.01 28 150 12820 -62.1 -83.1 4 21.0 -62.3 175 33 363.1 363.1 299.3 363.1 0.00 29 144 13074 -61.5 -84.5 3 23.0 -61.7 176 32 368.4 368.4 300.3 368.4 0.00 30 137 13382 -62.9 -87.9 2 25.0 -63.0 176 30 371.2 371.2 300.8 371.2 0.00 31 110 14729 -65.7 -93.7 1 28.0 -65.8 179 22 390.0 390.0 303.8 390.0 0.00 32 101 15249 -65.5 -93.5 1 28.0 -65.7 180 19 400.0 400.0 305.2 400.0 0.00 33 100 15310 -65.3 -93.3 1 28.0 -65.4 180 19 401.6 401.6 305.4 401.6 0.00 34 88 16090 -64.5 -92.5 1 28.0 -64.7 180 18 418.1 418.1 307.5 418.1 0.00 35 70 17470 -69.9 -96.9 1 27.0 -70.0 180 15 434.8 434.8 309.3 434.8 0.00 36 65 17911 -71.5 -97.5 1 26.0 -71.6 199 13 440.7 440.7 310.0 440.7 0.00 37 53 19124 -69.9 -95.9 1 26.0 -70.1 250 8 470.9 470.9 312.7 470.9 0.00 38 50 19470 -71.7 -97.7 1 26.0 -71.8 265 7 474.5 474.5 313.0 474.5 0.00 39 30 22450 -75.9 -100.9 1 25.0 -76.0 295 9 537.7 537.7 317.4 537.7 0.00 40 20 24780 -77.9 -101.9 1 24.0 -78.0 310 25 597.7 597.7 320.5 597.7 0.00 41 10 28790 -73.7 -98.7 1 25.0 -74.2 305 38 744.4 744.4 325.8 744.5 0.00 42 5.6 32205 -70.5 -96.5 1 26.0 -71.6 892.8 892.8 329.3 892.9 0.01 TRP 233 10107 -63.1 -72.1 29 9.0 -63.1 160 48 318.6 318.6 288.3 318.6 0.01 WND 300 8520 -55.0 -64.5 30 9.5 -55.1 155 58 307.9 307.9 284.5 308.0 0.02 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 46.11 % Est. max temperature: 5.10 C = 41.19 F Sfc-Lift cond lev (LCL): 940.50 mb = 351.37 m = 1152.77 ft T: -6.98 C 700-500 lapse rate: 4.57 C/km ThetaE index: 0.12 C Layer 700.0- 662.0 mb Conv cond level (CCL): 677.73 mb = 2857.67 m = 9375.44 ft Mean mixing ratio: 1.01 g/kg Conv temperature: 6.41 C = 43.53 F Cap Strength: 15.52 C Lifted Index: 17.82 C Risk: None Lifted Index @300 mb: 23.72 C Lifted Index @700 mb: 7.63 C Showalter Index: 12.37 C Risk: None Total Totals Index: 36.20 C Risk: None Vertical Totals Index: 22.60 C Cross Totals Index: 13.60 C K Index: 3.10 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.26 J/kg Max Up Vert Vel: 9.19 m/s Conv Inhibition (B-): 55574.55 J/kg Cap Strength: 17.55 C Lift Cond Lev (LCL): 784.62 mb = 1755.16 m = 5758.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 at 26 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 ---------------------------------------------------------- 0 979 41 85 1 -1.0 -0.1 | 4 27 -2.0 -26.6 1 850 1139 150 25 -12.5 21.7 | 70 14 -13.5 -4.8 2 700 2619 155 48 -20.3 43.5 | 129 27 -21.3 17.0 3 500 5070 150 40 -20.0 34.6 | 111 23 -21.0 8.2 4 400 6630 150 25 -12.5 21.7 | 70 14 -13.5 -4.8 5 300 8520 155 58 -24.5 52.6 | 136 36 -25.5 26.1 6 250 9670 150 54 -27.0 46.8 | 126 35 -28.0 20.3 7 233 10107 160 48 -16.4 45.1 | 137 25 -17.4 18.6 8 200 11050 145 36 -20.6 29.5 | 98 22 -21.6 3.0 9 150 12820 175 33 -2.9 32.9 | 149 7 -3.9 6.4 10 100 15310 180 19 0.0 19.0 | 7 8 -1.0 -7.5 11 70 17470 180 15 0.0 15.0 | 5 12 -1.0 -11.5 12 50 19470 265 7 7.0 0.6 | 347 27 6.0 -25.9 13 30 22450 295 9 8.2 -3.8 | 347 31 7.2 -30.3 14 20 24780 310 25 19.2 -16.1 | 337 46 18.2 -42.5 15 10 28790 305 38 31.1 -21.8 | 328 57 30.2 -48.3 Wind Parameters Mean winds (0-6000m): 152.1 at 35.3 knts Storm direction: 182.1 at 26.5 knts Shear (0-3000m) pos: 8.0 neg: 0.1 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 121.7 deg Storm rel helicity (0-3000m) pos: 242.2 neg: -8.5 tot: 233.8 m^2/s^2 ave: 77.9 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 9.2 stream: 7.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.36 Bulk Shear: 118.91 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 ------------------------------------------------------------------------------- 500 177 6 4 21| 11.4 0.0 11.4| 77.1 0.0 77.1 154.3 0.97| 11.9 11.5 1000 148 12 24 18| 11.5 0.0 11.5|140.8 0.0 140.8 140.8 0.89| 13.2 11.7 1500 149 17 39 15| 10.6 0.0 10.6|174.6 0.0 174.6 116.4 0.89| 12.1 10.7 2000 151 21 56 14| 9.9 0.0 9.9|205.1 0.0 205.1 102.6 0.88| 11.1 9.7 2500 152 26 75 14| 9.6 0.0 9.6|237.4 0.0 237.4 95.0 0.84| 10.5 8.8 3000 153 29 88 14| 8.0 0.1 8.1|242.2 -8.5 233.8 77.9 0.79| 9.2 7.3 4000 153 33 101 16| 6.0 0.5 6.5|242.2 -28.8 213.4 53.4 0.69| 7.4 5.1 5000 153 35 106 18| 4.8 0.8 5.6|242.2 -48.1 194.1 38.8 0.60| 6.3 3.7 6000 152 35 105 18| 4.0 1.4 5.4|242.2 -83.4 158.8 26.5 0.42| 6.0 2.5 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251218.11.gif