UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122523.upa.cvt Date: 2300Z 25 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 25 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 1007 52 -1.3 -7.3 64 6.0 -3.3 80 3 271.3 271.7 269.5 277.3 2.19 1 990 187 -1.3 -11.3 46 10.0 -4.3 85 3 272.6 272.9 269.4 277.2 1.62 2 976 300 -2.5 -10.5 54 8.0 -4.9 88 3 272.5 272.8 269.5 277.4 1.76 3 904 900 -8.3 -11.8 76 3.5 -9.2 109 3 272.6 272.9 269.5 277.4 1.71 4 850 1372 -12.9 -13.2 98 0.3 -13.0 125 3 272.6 272.9 269.4 277.2 1.62 5 818 1663 -15.5 -15.5 100 0.0 -15.5 149 4 272.9 273.1 269.2 276.8 1.40 6 811 1728 -16.1 -20.3 70 4.2 -16.9 154 4 272.9 273.1 268.4 275.6 0.94 7 806 1775 -15.5 -30.5 26 15.0 -17.6 158 4 274.0 274.1 268.1 275.2 0.37 8 795 1879 -14.3 -36.3 14 22.0 -17.0 166 4 276.4 276.4 269.4 277.1 0.22 9 782 2003 -15.3 -39.3 11 24.0 -18.0 177 5 276.6 276.7 269.4 277.2 0.16 10 772 2101 -15.9 -39.9 11 24.0 -18.5 184 5 277.0 277.0 269.6 277.5 0.15 11 700 2831 -21.1 -43.1 12 22.0 -23.0 245 7 279.1 279.1 270.8 279.5 0.12 12 630 3599 -26.5 -43.5 19 17.0 -27.8 239 15 281.5 281.5 272.3 281.9 0.13 13 587 4105 -30.5 -46.5 19 16.0 -31.4 235 20 282.6 282.6 272.8 282.9 0.10 14 579 4202 -30.9 -46.9 19 16.0 -31.9 234 21 283.2 283.2 273.2 283.6 0.10 15 500 5230 -36.3 -52.3 18 16.0 -37.0 225 31 288.8 288.8 276.2 289.0 0.06 16 454 5896 -40.1 -61.1 9 21.0 -40.7 221 31 292.1 292.1 277.7 292.2 0.02 17 400 6750 -46.3 -62.3 15 16.0 -46.6 215 31 294.8 294.8 279.0 294.9 0.02 18 307 8481 -53.7 -67.7 16 14.0 -53.9 210 38 307.6 307.6 284.4 307.7 0.01 19 300 8630 -53.1 -68.1 15 15.0 -53.3 210 42 310.5 310.5 285.5 310.6 0.01 20 250 9800 -52.3 -78.3 3 26.0 -52.6 225 46 328.3 328.3 291.2 328.3 0.00 21 236 10174 -51.5 -80.5 2 29.0 -51.8 219 47 335.0 335.0 293.0 335.0 0.00 22 214 10806 -54.1 -83.1 2 29.0 -54.4 208 49 340.4 340.4 294.4 340.5 0.00 23 200 11240 -54.1 -85.1 1 31.0 -54.4 200 50 347.1 347.1 296.0 347.1 0.00 24 180 11911 -56.3 -87.3 1 31.0 -56.6 204 57 354.1 354.1 297.5 354.1 0.00 25 150 13070 -55.3 -86.3 1 31.0 -55.6 210 68 374.8 374.8 301.4 374.8 0.00 26 131 13930 -55.7 -86.7 1 31.0 -56.1 212 72 388.9 388.9 303.6 388.9 0.00 27 111 14977 -58.1 -88.5 1 30.4 -58.5 215 77 403.2 403.2 305.6 403.2 0.00 28 101 15568 -59.5 -89.5 1 30.0 -59.8 224 63 411.6 411.6 306.7 411.6 0.00 29 100 15630 -59.5 -89.5 1 30.0 -59.8 225 62 412.8 412.8 306.9 412.8 0.00 30 70 17860 -60.9 -89.9 1 29.0 -61.3 205 69 454.1 454.1 311.3 454.1 0.00 31 50 19910 -69.7 -96.7 1 27.0 -69.9 205 79 479.2 479.2 313.4 479.2 0.00 32 37 21676 -75.7 -100.7 1 25.0 -75.8 217 98 506.9 506.9 315.4 506.9 0.00 33 30 22900 -71.7 -97.7 1 26.0 -71.9 225 112 549.2 549.2 318.1 549.2 0.00 34 24 24227 -67.5 -94.5 1 27.0 -67.9 219 97 597.6 597.6 320.5 597.6 0.00 35 20 25310 -72.1 -98.1 1 26.0 -72.4 215 85 615.5 615.5 321.3 615.5 0.00 36 15 26978 -79.3 -103.3 1 24.0 -79.4 223 89 644.3 644.3 322.4 644.3 0.00 37 10 29290 -78.5 -102.5 1 24.0 -78.7 235 95 726.5 726.5 325.3 726.5 0.00 38 9.4 29642 -79.9 -103.9 1 24.0 -80.1 734.2 734.2 325.5 734.2 0.00 TRP 307 8481 -53.7 -67.7 16 14.0 -53.9 210 38 307.6 307.6 284.4 307.7 0.01 WND 111 14977 -58.1 -88.5 1 30.4 -58.5 215 77 403.2 403.2 305.6 403.2 0.00 Sounding variables and indices 1000-500 mb thick: 5122.61 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 34.92 % Est. max temperature: 0.03 C = 32.05 F Sfc-Lift cond lev (LCL): 916.43 mb = 792.69 m = 2600.67 ft T: -7.27 C 700-500 lapse rate: 6.34 C/km ThetaE index: 2.26 C Layer 904.0- 795.0 mb Conv cond level (CCL): 858.96 mb = 1291.52 m = 4237.21 ft Mean mixing ratio: 1.76 g/kg Conv temperature: 0.03 C = 32.05 F Cap Strength: 5.76 C Lifted Index: 9.68 C Risk: None Lifted Index @300 mb: 23.49 C Lifted Index @700 mb: 3.55 C Showalter Index: 9.85 C Risk: None Total Totals Index: 46.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 23.10 C K Index: -11.80 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 2.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.87 J/kg Max Up Vert Vel: 3.43 m/s Conv Inhibition (B-): 4.69 J/kg Cap Strength: 9.62 C Lift Cond Lev (LCL): 860.86 mb = 1274.61 m = 4181.74 ft Lev Free Conv (LFC): 845.86 mb = 1409.05 m = 4622.81 ft Equ Level (EL): 805.86 mb = 1775.92 m = 5826.44 ft B at Equ Level: 4.11 J/kg Max Parcel Lev (MPL): 795.86 mb = 1870.40 m = 6136.42 ft Wind level data Storm motion: 254 at 11 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 1007 52 80 3 -3.0 -0.5 | 75 14 -13.1 -3.5 1 850 1372 125 3 -2.5 1.7 | 84 13 -12.6 -1.2 2 700 2831 245 7 6.3 3.0 | 90 4 -3.8 0.0 3 500 5230 225 31 21.9 21.9 | 212 22 11.8 19.0 4 400 6750 215 31 17.8 25.4 | 199 24 7.7 22.5 5 307 8481 210 38 19.0 32.9 | 197 31 8.9 30.0 6 300 8630 210 42 21.0 36.4 | 198 35 10.9 33.4 7 250 9800 225 46 32.5 32.5 | 217 37 22.4 29.6 8 200 11240 200 50 17.1 47.0 | 189 45 7.0 44.0 9 150 13070 210 68 34.0 58.9 | 203 61 23.9 56.0 10 111 14977 215 77 44.2 63.1 | 210 69 34.1 60.1 11 100 15630 225 62 43.8 43.8 | 220 53 33.7 40.9 12 70 17860 205 69 29.2 62.5 | 198 63 19.1 59.6 13 50 19910 205 79 33.4 71.6 | 199 73 23.3 68.7 14 30 22900 225 112 79.2 79.2 | 222 103 69.1 76.3 15 20 25310 215 85 48.8 69.6 | 210 77 38.7 66.7 16 10 29290 235 95 77.8 54.5 | 233 85 67.7 51.6 Wind Parameters Mean winds (0-6000m): 223.8 at 14.0 knts Storm direction: 253.8 at 10.5 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 47.9 deg Storm rel helicity (0-3000m) pos: 21.2 neg: -1.5 tot: 19.7 m^2/s^2 ave: 6.6 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 1.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.17 Bulk Shear: 35.46 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 86 3 76 13| 0.9 0.0 0.9| 3.1 0.0 3.1 6.2 0.98| 0.9 0.9 1000 96 3 79 13| 0.9 0.0 0.9| 5.9 0.0 5.9 5.9 0.94| 0.9 0.9 1500 106 3 81 13| 1.1 0.0 1.1| 10.6 0.0 10.6 7.0 0.93| 1.1 1.1 2000 124 3 85 13| 1.6 0.0 1.6| 18.0 0.0 18.0 9.0 0.83| 1.7 1.4 2500 151 4 92 12| 1.8 0.0 1.8| 20.1 -0.1 20.0 8.0 0.58| 2.2 1.3 3000 190 4 98 9| 2.1 0.0 2.1| 21.2 -1.5 19.7 6.6 0.43| 2.7 1.2 4000 225 7 110 6| 1.6 1.3 2.9| 25.8 -1.5 24.3 6.1 0.44| 3.3 1.5 5000 225 10 149 5| 1.2 2.1 3.4| 26.1 -4.7 21.3 4.3 0.30| 3.8 1.1 6000 224 14 177 7| 1.0 2.0 3.0| 26.1 -23.8 2.3 0.4 0.19| 3.5 0.7 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251225.23.gif