UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122923.upa.cvt Date: 2300Z 29 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 29 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 1008 41 2.0 0.4 89 1.6 1.3 70 9 274.5 275.2 274.0 285.1 3.90 1 995 146 4.2 1.9 85 2.3 3.2 78 10 277.7 278.5 276.6 289.8 4.41 2 976 303 5.0 2.1 81 2.9 3.7 90 12 280.1 280.9 278.0 292.7 4.56 3 973 329 6.4 3.4 81 3.0 4.9 92 12 281.7 282.6 279.4 295.7 5.02 4 961 430 6.0 2.1 76 3.9 4.2 99 13 282.3 283.1 279.2 295.3 4.63 5 907 901 2.0 -0.6 83 2.6 0.8 135 19 282.9 283.6 278.7 294.3 4.03 6 850 1421 -2.1 -3.5 90 1.4 -2.7 175 25 283.9 284.5 278.5 293.8 3.47 7 780 2098 -6.5 -8.2 88 1.7 -7.1 188 37 286.3 286.7 278.6 293.9 2.64 8 700 2934 -12.7 -14.2 89 1.5 -13.1 205 52 288.4 288.7 278.6 293.8 1.82 9 641 3603 -15.9 -17.6 87 1.7 -16.3 200 53 292.1 292.4 279.8 296.7 1.50 10 592 4200 -18.5 -20.5 84 2.0 -19.0 195 54 295.8 296.1 281.3 299.8 1.26 11 575 4417 -19.7 -21.9 83 2.2 -20.2 193 54 296.9 297.1 281.5 300.5 1.15 12 500 5440 -27.5 -30.2 78 2.7 -27.9 185 56 299.5 299.6 282.0 301.6 0.62 13 469 5897 -31.3 -34.2 76 2.9 -31.6 188 63 300.3 300.4 282.1 301.8 0.45 14 429 6524 -34.1 -37.1 74 3.0 -34.4 192 73 304.5 304.6 283.7 305.8 0.37 15 400 7010 -38.1 -41.4 71 3.3 -38.4 195 81 305.5 305.5 284.0 306.4 0.25 16 300 8920 -53.7 -57.8 61 4.1 -53.8 190 99 309.7 309.7 285.2 309.9 0.05 17 257 9899 -62.0 -66.4 56 4.4 -62.0 190 108 311.4 311.4 285.8 311.5 0.02 18 250 10070 -63.5 -67.9 55 4.4 -63.6 190 104 311.7 311.7 285.9 311.7 0.02 19 223 10762 -68.1 -72.2 56 4.1 -68.1 195 89 315.0 315.0 287.1 315.0 0.01 20 222 10789 -67.9 -72.0 56 4.1 -67.9 195 89 315.7 315.7 287.3 315.7 0.01 21 213 11038 -65.7 -68.8 65 3.1 -65.7 197 87 322.8 322.9 289.6 322.9 0.02 22 200 11420 -64.9 -69.6 52 4.7 -65.0 200 85 330.0 330.0 291.7 330.0 0.02 23 178 12137 -61.5 -70.5 29 9.0 -61.6 202 68 346.7 346.7 295.9 346.8 0.02 24 167 12531 -62.7 -73.7 21 11.0 -62.8 203 59 351.1 351.1 296.9 351.2 0.01 25 150 13190 -64.5 -76.5 18 12.0 -64.6 205 44 359.0 359.0 298.5 359.0 0.01 26 106 15299 -67.7 -92.7 2 25.0 -67.8 218 56 390.4 390.4 303.8 390.4 0.00 27 101 15590 -67.5 -94.5 1 27.0 -67.6 220 58 396.2 396.2 304.7 396.2 0.00 28 100 15650 -67.5 -94.5 1 27.0 -67.6 220 58 397.3 397.3 304.8 397.3 0.00 29 70 17790 -70.7 -96.7 1 26.0 -70.8 230 42 433.1 433.1 309.1 433.1 0.00 30 50 19750 -78.3 -102.3 1 24.0 -78.3 230 46 459.0 459.0 311.7 459.0 0.00 31 30 22650 -80.1 -104.1 1 24.0 -80.1 250 48 526.3 526.3 316.7 526.3 0.00 32 20 24930 -81.1 -104.1 1 23.0 -81.2 265 42 587.9 587.9 320.0 587.9 0.00 33 18 25521 -81.9 -104.9 1 23.0 -82.0 603.4 603.4 320.7 603.4 0.00 TRP 223 10762 -68.1 -72.2 56 4.1 -68.1 195 89 315.0 315.0 287.1 315.0 0.01 WND 257 9899 -62.0 -66.4 56 4.4 -62.0 190 108 311.4 311.4 285.8 311.5 0.02 Sounding variables and indices 1000-500 mb thick: 5334.39 m Freezing level: 879.20 mb = 1154.56 m = 3787.88 ft Wetbulb zero: 893.38 mb = 1022.07 m = 3353.22 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 84.85 % Est. max temperature: 11.30 C = 52.34 F Sfc-Lift cond lev (LCL): 983.18 mb = 243.72 m = 799.59 ft T: 4.70 C 700-500 lapse rate: 5.91 C/km ThetaE index: 1.86 C Layer 961.0- 780.0 mb Conv cond level (CCL): 881.95 mb = 1125.26 m = 3691.75 ft Mean mixing ratio: 4.41 g/kg Conv temperature: 10.88 C = 51.58 F Cap Strength: 5.42 C Lifted Index: 6.29 C Risk: None Lifted Index @300 mb: 11.67 C Lifted Index @700 mb: 0.76 C Showalter Index: 5.88 C Risk: None Total Totals Index: 49.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 24.00 C K Index: 20.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 114.00 Risk: None Energy Index: 1.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.99 J/kg Max Up Vert Vel: 7.74 m/s Conv Inhibition (B-): 36895.95 J/kg Cap Strength: 6.24 C Lift Cond Lev (LCL): 913.75 mb = 840.50 m = 2757.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 32 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 1008 41 70 9 -8.5 -3.1 | 47 40 -29.6 -27.2 1 850 1421 175 25 -2.2 24.9 | 92 23 -23.3 0.8 2 700 2934 205 52 22.0 47.1 | 182 23 0.9 23.0 3 500 5440 185 56 4.9 55.8 | 153 36 -16.2 31.7 4 400 7010 195 81 21.0 78.2 | 180 54 -0.2 54.1 5 300 8920 190 99 17.2 97.5 | 177 73 -3.9 73.4 6 257 9899 190 108 18.8 106.4 | 178 82 -2.4 82.2 7 250 10070 190 104 18.1 102.4 | 178 78 -3.1 78.3 8 223 10762 195 89 23.0 86.0 | 182 62 1.9 61.8 9 200 11420 200 85 29.1 79.9 | 188 56 8.0 55.7 10 150 13190 205 44 18.6 39.9 | 171 16 -2.5 15.7 11 100 15650 220 58 37.3 44.4 | 219 26 16.2 20.3 12 70 17790 230 42 32.2 27.0 | 255 11 11.1 2.9 13 50 19750 230 46 35.2 29.6 | 249 15 14.1 5.4 14 30 22650 250 48 45.1 16.4 | 288 25 24.0 -7.7 15 20 24930 265 42 41.8 3.7 | 315 29 20.7 -20.5 Wind Parameters Mean winds (0-6000m): 191.2 at 42.8 knts Storm direction: 221.2 at 32.1 knts Shear (0-3000m) pos: 10.1 neg: 0.0 tot: 10.1 10-3/s Storm rel Dir Shear (0-3000m): 133.1 deg Storm rel helicity (0-3000m) pos: 449.7 neg: -3.7 tot: 446.0 m^2/s^2 ave: 148.7 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 12.0 stream: 10.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 0.23 Bulk Shear: 131.79 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 ------------------------------------------------------------------------------- 500 181 11 59 24| 9.8 0.0 9.8|103.9 0.0 103.9 207.7 0.98| 10.1 9.9 1000 145 15 68 32| 10.5 0.0 10.5|212.6 0.0 212.6 212.6 0.90| 11.8 10.6 1500 157 18 74 29| 10.6 0.0 10.6|280.2 0.0 280.2 186.8 0.80| 12.9 10.3 2000 169 21 82 25| 10.5 0.0 10.5|337.4 0.0 337.4 168.7 0.84| 12.3 10.3 2500 179 25 93 22| 10.5 0.0 10.5|397.3 0.0 397.3 158.9 0.87| 12.2 10.6 3000 188 29 106 18| 10.1 0.0 10.1|449.7 -3.7 446.0 148.7 0.86| 12.0 10.3 4000 193 35 127 17| 7.6 1.0 8.5|449.7 -43.9 405.8 101.4 0.70| 9.9 7.0 5000 193 39 139 19| 6.0 1.6 7.6|449.7 -90.7 358.9 71.8 0.57| 8.7 5.0 6000 191 43 144 22| 5.8 1.6 7.4|532.2-111.5 420.7 70.1 0.55| 8.5 4.6 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251229.23.gif