UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122811.upa.cvt Date: 1100Z 28 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:1100Z 28 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 1021 41 -4.3 -6.5 85 2.2 -5.0 30 9 267.3 267.6 267.0 273.4 2.30 1 988 299 -6.1 -8.0 86 1.9 -6.7 56 10 268.0 268.3 267.1 273.7 2.11 2 958 540 -8.3 -9.3 92 1.0 -8.6 80 12 268.1 268.4 267.0 273.5 1.97 3 945 647 -5.7 -6.7 93 1.0 -6.0 91 12 271.8 272.2 270.2 278.5 2.44 4 930 772 -4.9 -7.3 83 2.4 -5.7 104 13 273.9 274.3 271.4 280.4 2.37 5 915 900 -5.1 -7.9 81 2.8 -6.0 117 14 274.9 275.3 271.9 281.4 2.30 6 850 1477 -7.7 -10.1 83 2.4 -8.4 175 17 278.1 278.4 273.5 284.0 2.08 7 839 1578 -7.5 -11.5 73 4.0 -8.7 177 18 279.3 279.6 273.9 284.7 1.89 8 784 2103 -10.7 -14.3 75 3.6 -11.7 185 23 281.4 281.6 274.6 286.1 1.61 9 772 2222 -11.1 -14.7 75 3.6 -12.1 187 24 282.2 282.5 275.0 286.8 1.58 10 700 2969 -14.5 -25.5 39 11.0 -16.6 200 31 286.4 286.5 275.9 288.6 0.69 11 671 3288 -15.9 -35.9 16 20.0 -18.6 203 34 288.3 288.4 276.3 289.2 0.27 12 644 3596 -17.5 -40.5 12 23.0 -20.2 206 37 289.9 290.0 276.9 290.5 0.17 13 614 3952 -19.1 -49.1 5 30.0 -21.8 210 40 292.1 292.1 277.8 292.3 0.07 14 613 3964 -19.1 -49.1 5 30.0 -21.8 210 40 292.2 292.2 277.9 292.5 0.07 15 594 4197 -20.9 -48.9 6 28.0 -23.3 212 42 292.8 292.8 278.2 293.0 0.08 16 526 5085 -25.9 -48.9 10 23.0 -27.6 221 51 297.1 297.1 280.2 297.4 0.09 17 500 5450 -27.7 -33.7 57 6.0 -28.5 225 54 299.3 299.3 281.7 300.7 0.44 18 485 5668 -28.5 -31.3 77 2.8 -28.9 226 58 300.9 301.0 282.5 302.8 0.58 19 400 7020 -38.1 -41.7 69 3.6 -38.4 230 85 305.5 305.5 283.9 306.3 0.25 20 377 7425 -40.9 -42.5 84 1.6 -41.0 230 88 307.0 307.0 284.5 307.8 0.24 21 318 8561 -49.3 -53.2 64 3.9 -49.4 230 96 310.6 310.7 285.7 311.0 0.09 22 300 8940 -52.7 -56.7 62 4.0 -52.8 230 99 311.1 311.1 285.8 311.3 0.06 23 283 9317 -55.9 -60.5 56 4.6 -56.0 233 101 311.7 311.7 286.0 311.9 0.04 24 259 9879 -60.3 -64.5 58 4.2 -60.3 238 105 313.2 313.2 286.5 313.3 0.03 25 252 10050 -61.2 -65.0 61 3.7 -61.3 240 106 314.3 314.3 286.9 314.4 0.02 26 250 10100 -61.5 -65.1 62 3.6 -61.6 235 106 314.6 314.6 287.0 314.7 0.02 27 223 10798 -65.9 -70.5 53 4.6 -66.0 238 101 318.3 318.3 288.2 318.4 0.01 28 205 11303 -69.5 -73.6 55 4.1 -69.5 240 97 320.4 320.4 288.9 320.5 0.01 29 200 11450 -69.1 -73.0 57 3.9 -69.1 235 89 323.3 323.3 289.8 323.4 0.01 30 185 11918 -68.7 -72.3 60 3.6 -68.7 235 81 331.3 331.3 292.1 331.3 0.01 31 180 12082 -69.9 -74.1 54 4.2 -69.9 235 78 331.9 331.9 292.2 332.0 0.01 32 171 12391 -65.9 -70.8 50 4.9 -66.0 235 73 343.4 343.4 295.1 343.5 0.02 33 150 13190 -64.7 -71.7 38 7.0 -64.8 235 60 358.6 358.6 298.4 358.7 0.02 34 101 15590 -65.7 -86.7 4 21.0 -65.8 245 54 399.6 399.6 305.2 399.7 0.00 35 100 15650 -65.7 -86.7 4 21.0 -65.8 245 54 400.8 400.8 305.3 400.8 0.00 36 94 16025 -66.1 -92.1 1 26.0 -66.2 246 52 407.2 407.2 306.2 407.2 0.00 37 89 16357 -65.5 -93.5 1 28.0 -65.7 247 51 414.8 414.8 307.1 414.8 0.00 38 70 17800 -70.1 -96.1 1 26.0 -70.2 250 44 434.4 434.4 309.3 434.4 0.00 39 50 19760 -77.3 -101.3 1 24.0 -77.4 250 52 461.3 461.3 311.9 461.3 0.00 40 45 20363 -79.3 -103.3 1 24.0 -79.3 251 50 470.6 470.6 312.7 470.6 0.00 41 30 22660 -81.3 -104.3 1 23.0 -81.4 255 40 523.0 523.0 316.5 523.0 0.00 42 26 23464 -79.5 -103.5 1 24.0 -79.6 253 44 550.0 550.0 318.1 550.0 0.00 43 20 24930 -83.5 -106.5 1 23.0 -83.5 250 52 580.6 580.6 319.7 580.6 0.00 44 15 26530 -84.9 -106.9 1 22.0 -84.9 258 51 625.7 625.7 321.7 625.7 0.00 45 10 28810 -78.9 -102.9 1 24.0 -79.1 270 50 725.0 725.0 325.2 725.0 0.00 46 9.9 28867 -79.1 -103.1 1 24.0 -79.3 726.4 726.4 325.3 726.4 0.00 TRP 205 11303 -69.5 -73.6 55 4.1 -69.5 240 97 320.4 320.4 288.9 320.5 0.01 WND 252 10050 -61.2 -65.0 61 3.7 -61.3 240 106 314.3 314.3 286.9 314.4 0.02 Sounding variables and indices 1000-500 mb thick: 5245.59 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 46.63 % Est. max temperature: 5.54 C = 41.98 F Sfc-Lift cond lev (LCL): 986.03 mb = 314.92 m = 1033.20 ft T: -6.24 C 700-500 lapse rate: 5.32 C/km ThetaE index: 0.22 C Layer 958.0- 945.0 mb Conv cond level (CCL): 964.80 mb = 484.79 m = 1590.49 ft Mean mixing ratio: 2.20 g/kg Conv temperature: -3.47 C = 25.76 F Cap Strength: 18.38 C Lifted Index: 19.80 C Risk: None Lifted Index @300 mb: 25.21 C Lifted Index @700 mb: 11.61 C Showalter Index: 13.12 C Risk: None Total Totals Index: 37.60 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 17.60 C K Index: -1.10 Risk: None Sweat Index: 208.76 Risk: None Energy Index: 3.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.42 J/kg Max Up Vert Vel: 7.80 m/s Conv Inhibition (B-): 53941.70 J/kg Cap Strength: 19.59 C Lift Cond Lev (LCL): 943.68 mb = 657.64 m = 2157.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 241 at 25 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 1021 41 30 9 -4.5 -7.8 | 53 33 -26.0 -19.8 1 850 1477 175 17 -1.5 16.9 | 102 24 -23.0 5.0 2 700 2969 200 31 10.6 29.1 | 147 20 -10.9 17.2 3 500 5450 225 54 38.2 38.2 | 212 31 16.6 26.2 4 400 7020 230 85 65.1 54.6 | 226 61 43.6 42.7 5 300 8940 230 99 75.8 63.6 | 226 75 54.3 51.7 6 252 10050 240 106 91.8 53.0 | 240 81 70.3 41.0 7 250 10100 235 106 86.8 60.8 | 233 82 65.3 48.8 8 205 11303 240 97 84.0 48.5 | 240 72 62.5 36.5 9 200 11450 235 89 72.9 51.0 | 233 65 51.4 39.1 10 150 13190 235 60 49.1 34.4 | 231 36 27.6 22.4 11 100 15650 245 54 48.9 22.8 | 248 29 27.4 10.8 12 70 17800 250 44 41.3 15.0 | 261 20 19.8 3.1 13 50 19760 250 52 48.9 17.8 | 258 28 27.3 5.8 14 30 22660 255 40 38.6 10.4 | 275 17 17.1 -1.6 15 20 24930 250 52 48.9 17.8 | 258 28 27.3 5.8 16 10 28810 270 50 50.0 -0.0 | 293 31 28.5 -12.0 Wind Parameters Mean winds (0-6000m): 210.9 at 32.9 knts Storm direction: 240.9 at 24.6 knts Shear (0-3000m) pos: 7.0 neg: 0.0 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 96.9 deg Storm rel helicity (0-3000m) pos: 351.3 neg: 0.0 tot: 351.3 m^2/s^2 ave: 117.1 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 7.9 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.22 Bulk Shear: 137.09 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 ------------------------------------------------------------------------------- 500 288 10 38 19| 9.5 0.0 9.5| 81.1 0.0 81.1 162.1 0.92| 9.8 9.0 1000 106 12 75 34| 9.5 0.0 9.5|185.0 0.0 185.0 185.0 0.93| 11.1 10.3 1500 150 13 89 28| 8.8 0.0 8.8|251.8 0.0 251.8 167.8 0.84| 11.8 9.9 2000 166 15 96 25| 7.9 0.0 7.9|284.5 0.0 284.5 142.3 0.86| 10.3 8.8 2500 176 17 102 23| 7.3 0.0 7.3|317.8 0.0 317.8 127.1 0.88| 9.4 8.3 3000 184 19 109 21| 7.0 0.0 7.0|351.3 0.0 351.3 117.1 0.89| 8.9 7.9 4000 194 23 123 19| 6.4 0.0 6.4|413.7 0.0 413.7 103.4 0.90| 8.1 7.4 5000 203 28 142 17| 6.1 0.0 6.1|488.9 0.0 488.9 97.8 0.90| 7.8 7.0 6000 211 33 164 17| 6.4 0.0 6.4|563.5 0.0 563.5 93.9 0.83| 7.9 6.6 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251228.11.gif