UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122311.upa.cvt Date: 1100Z 23 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:1100Z 23 DEC 25 Station: BGAM WMO ident: 4360 Latitude: 65.60 Longitude: -37.63 Elevation: 52.00 ------------------------------------------------------------------------------- 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 985 52 -0.5 -0.8 98 0.3 -0.6 245 9 273.8 274.4 273.3 283.8 3.66 1 955 298 -1.9 -3.1 91 1.2 -2.4 220 14 274.8 275.4 273.2 283.6 3.18 2 885 897 -6.7 -6.7 100 0.0 -6.7 158 28 275.9 276.4 273.0 283.2 2.61 3 850 1210 -8.7 -8.7 100 0.0 -8.7 125 35 277.0 277.4 273.2 283.6 2.33 4 789 1784 -12.1 -12.4 98 0.3 -12.2 127 33 279.4 279.7 273.8 284.7 1.87 5 757 2098 -16.3 -17.0 94 0.7 -16.4 128 31 278.1 278.4 272.3 282.0 1.33 6 713 2546 -19.7 -20.9 90 1.2 -19.9 130 30 279.2 279.4 272.4 282.2 1.01 7 700 2682 -20.9 -22.7 85 1.8 -21.2 130 29 279.3 279.5 272.3 282.0 0.88 8 657 3146 -24.7 -30.7 57 6.0 -25.4 138 31 280.2 280.2 272.1 281.6 0.45 9 617 3600 -27.5 -32.5 62 5.0 -28.0 145 33 282.0 282.1 273.1 283.3 0.40 10 586 3969 -30.3 -34.0 70 3.7 -30.7 151 35 283.0 283.0 273.5 284.1 0.37 11 567 4202 -32.3 -39.3 50 7.0 -32.8 155 36 283.3 283.3 273.5 284.0 0.22 12 544 4493 -33.7 -43.7 36 10.0 -34.3 160 37 285.0 285.0 274.3 285.5 0.15 13 500 5080 -37.1 -47.1 35 10.0 -37.6 170 40 287.8 287.8 275.7 288.2 0.11 14 439 5972 -40.3 -53.3 24 13.0 -40.8 179 36 294.7 294.7 279.0 294.9 0.06 15 400 6600 -44.1 -54.1 32 10.0 -44.4 185 33 297.7 297.7 280.4 297.9 0.06 16 334 7795 -50.1 -60.1 30 10.0 -50.3 190 36 305.2 305.2 283.5 305.3 0.03 17 300 8500 -48.3 -58.3 31 10.0 -48.6 200 38 317.3 317.3 287.9 317.5 0.05 18 255 9578 -44.7 -58.7 19 14.0 -45.3 209 45 337.7 337.7 293.8 337.9 0.05 19 250 9710 -45.1 -56.1 28 11.0 -45.6 210 46 339.0 339.0 294.1 339.3 0.08 20 236 10094 -45.5 -55.5 32 10.0 -46.0 210 49 344.0 344.1 295.4 344.4 0.09 21 212 10805 -46.7 -59.7 21 13.0 -47.2 210 55 352.9 352.9 297.3 353.1 0.06 22 200 11190 -47.7 -63.7 14 16.0 -48.3 210 58 357.2 357.2 298.2 357.4 0.04 23 170 12261 -49.1 -78.1 2 29.0 -49.7 207 56 371.9 371.9 300.9 371.9 0.01 24 150 13080 -51.1 -83.1 1 32.0 -51.7 205 54 382.0 382.0 302.6 382.0 0.00 25 116 14737 -55.8 -86.3 1 30.5 -56.2 220 64 402.4 402.4 305.5 402.4 0.00 26 107 15250 -57.3 -87.3 1 30.0 -57.7 217 64 409.0 409.0 306.4 409.0 0.00 27 101 15617 -55.9 -86.9 1 31.0 -56.4 215 64 418.5 418.5 307.6 418.5 0.00 28 100 15680 -55.5 -86.5 1 31.0 -56.0 215 64 420.5 420.5 307.8 420.5 0.00 29 93 16143 -54.1 -84.1 1 30.0 -54.7 218 62 432.1 432.1 309.0 432.1 0.00 30 84 16789 -57.7 -86.7 1 29.0 -58.2 222 59 437.5 437.5 309.6 437.5 0.00 31 77 17339 -56.3 -87.3 1 31.0 -56.9 226 57 451.5 451.5 311.0 451.5 0.00 32 70 17940 -58.7 -88.7 1 30.0 -59.2 230 54 458.8 458.8 311.7 458.8 0.00 33 59 19002 -62.9 -90.9 1 28.0 -63.3 222 51 472.4 472.4 312.8 472.4 0.00 34 50 20020 -63.1 -91.1 1 28.0 -63.5 215 48 494.8 494.8 314.6 494.8 0.00 35 30 23070 -75.7 -99.7 1 24.0 -75.8 225 73 538.3 538.3 317.4 538.3 0.00 36 29 23267 -75.9 -99.9 1 24.0 -76.0 225 74 543.0 543.0 317.7 543.0 0.00 37 20 25410 -77.7 -99.7 2 22.0 -77.9 230 81 598.3 598.3 320.5 598.3 0.00 38 11 28742 -88.3 -107.3 2 19.0 -88.3 239 88 671.4 671.4 323.4 671.4 0.00 39 10 29270 -80.1 -101.1 2 21.0 -80.3 240 89 720.6 720.6 325.1 720.6 0.00 40 7.2 31123 -81.1 -102.1 2 21.0 -81.3 787.4 787.4 326.9 787.4 0.00 TRP 334 7795 -50.1 -60.1 30 10.0 -50.3 190 36 305.2 305.2 283.5 305.3 0.03 WND 116 14737 -55.8 -86.3 1 30.5 -56.2 220 64 402.4 402.4 305.5 402.4 0.00 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 75.43 % Est. max temperature: 3.24 C = 37.84 F Sfc-Lift cond lev (LCL): 980.25 mb = 90.43 m = 296.68 ft T: -0.72 C 700-500 lapse rate: 6.76 C/km ThetaE index: 2.71 C Layer 757.0- 713.0 mb Conv cond level (CCL): 921.23 mb = 581.14 m = 1906.61 ft Mean mixing ratio: 3.05 g/kg Conv temperature: 1.03 C = 33.86 F Cap Strength: 2.17 C Lifted Index: 4.13 C Risk: None Lifted Index @300 mb: 23.98 C Lifted Index @700 mb: -0.76 C Showalter Index: 4.01 C Risk: None Total Totals Index: 56.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.40 C Cross Totals Index: 28.40 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 266.00 Risk: None Energy Index: 0.88 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.65 J/kg Max Up Vert Vel: 9.45 m/s Conv Inhibition (B-): 0.82 J/kg Cap Strength: 3.90 C Lift Cond Lev (LCL): 925.15 mb = 547.76 m = 1797.10 ft Lev Free Conv (LFC): 900.15 mb = 763.20 m = 2503.89 ft Equ Level (EL): 850.15 mb = 1208.64 m = 3965.30 ft B at Equ Level: 7.58 J/kg Max Parcel Lev (MPL): 800.15 mb = 1675.48 m = 5496.91 ft Wind level data Storm motion: 180 at 24 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 ---------------------------------------------------------- 0 985 52 245 9 8.2 3.8 | 338 22 8.2 -20.3 1 850 1210 125 35 -28.7 20.1 | 82 29 -28.6 -4.1 2 700 2682 130 29 -22.2 18.6 | 76 23 -22.2 -5.5 3 500 5080 170 40 -6.9 39.4 | 156 17 -6.9 15.2 4 400 6600 185 33 2.9 32.9 | 199 9 2.9 8.7 5 334 7795 190 36 6.3 35.5 | 209 13 6.3 11.3 6 300 8500 200 38 13.0 35.7 | 228 17 13.1 11.6 7 250 9710 210 46 23.0 39.8 | 236 28 23.1 15.7 8 200 11190 210 58 29.0 50.2 | 228 39 29.1 26.1 9 150 13080 205 54 22.8 48.9 | 223 34 22.9 24.8 10 116 14737 220 64 41.1 49.0 | 239 48 41.2 24.9 11 100 15680 215 64 36.7 52.4 | 232 46 36.8 28.3 12 70 17940 230 54 41.4 34.7 | 256 43 41.4 10.6 13 50 20020 215 48 27.5 39.3 | 241 31 27.6 15.2 14 30 23070 225 73 51.6 51.6 | 242 59 51.7 27.5 15 20 25410 230 81 62.0 52.1 | 246 68 62.1 27.9 16 10 29270 240 89 77.1 44.5 | 255 80 77.1 20.4 Wind Parameters Mean winds (0-6000m): 149.9 at 32.2 knts Storm direction: 179.9 at 24.1 knts Shear (0-3000m) pos: 1.1 neg: 6.6 tot: 7.7 10-3/s Storm rel Dir Shear (0-3000m): 106.6 deg Storm rel helicity (0-3000m) pos: 21.4 neg: -81.5 tot: -60.2 m^2/s^2 ave: -20.1 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 11.1 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 94.22 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 95 14 31 27| 0.0 16.7 16.7| 0.0 -30.5 -30.5 -61.1 -0.39| 17.9 -7.0 1000 142 20 56 15| 0.0 17.8 17.8| 2.5 -39.2 -36.7 -36.7 -0.04| 23.0 -0.9 1500 134 25 69 19| 0.0 13.3 13.3| 2.5 -68.0 -65.4 -43.6 -0.11| 19.2 -2.1 2000 131 27 72 21| 0.6 10.0 10.5| 2.5 -73.7 -71.2 -35.6 -0.12| 15.0 -1.8 2500 131 28 73 22| 0.9 8.0 8.9| 2.5 -80.2 -77.6 -31.1 -0.13| 12.4 -1.7 3000 131 28 74 22| 1.1 6.6 7.7| 21.4 -81.5 -60.2 -20.1 -0.08| 11.1 -0.9 4000 135 29 81 21| 2.1 5.0 7.0| 72.2 -81.5 -9.3 -2.3 0.07| 9.7 0.6 5000 143 31 92 19| 2.9 4.0 6.8|124.4 -81.5 42.9 8.6 0.19| 9.0 1.7 6000 150 32 103 17| 2.7 3.3 6.0|146.5 -81.5 64.9 10.8 0.24| 8.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251223.11.gif