UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122323.upa.cvt Date: 2300Z 23 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 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 990 52 -3.1 -15.1 39 12.0 -6.2 0 0 270.8 271.0 267.5 274.2 1.19 1 978 149 -1.9 -5.7 75 3.8 -3.2 13 1 273.0 273.4 271.1 280.0 2.55 2 960 297 -3.5 -5.0 89 1.5 -4.0 33 2 272.8 273.3 271.3 280.3 2.74 3 945 422 -3.7 -5.5 87 1.8 -4.3 50 3 273.8 274.3 271.9 281.2 2.68 4 889 902 -8.3 -8.5 98 0.2 -8.4 116 8 273.9 274.3 271.2 280.2 2.26 5 863 1133 -10.5 -10.5 100 0.0 -10.5 149 10 274.0 274.3 270.8 279.5 1.99 6 858 1178 -10.9 -12.0 92 1.1 -11.2 155 10 274.0 274.3 270.5 279.0 1.77 7 850 1250 -11.1 -11.9 94 0.8 -11.3 165 11 274.5 274.8 270.9 279.6 1.80 8 760 2100 -16.7 -19.9 76 3.2 -17.3 182 17 277.4 277.6 271.4 280.4 1.04 9 725 2452 -19.1 -23.4 69 4.3 -19.8 190 19 278.5 278.7 271.6 280.9 0.80 10 718 2525 -19.7 -24.7 64 5.0 -20.5 191 20 278.6 278.8 271.6 280.8 0.72 11 700 2713 -19.7 -32.7 31 13.0 -21.4 195 21 280.7 280.7 272.2 281.8 0.35 12 677 2961 -19.9 -43.9 10 24.0 -22.1 195 23 283.1 283.2 273.2 283.5 0.11 13 671 3027 -20.5 -46.5 8 26.0 -22.7 196 24 283.2 283.2 273.2 283.5 0.09 14 621 3598 -23.7 -50.7 6 27.0 -25.6 197 28 285.9 285.9 274.6 286.1 0.06 15 605 3788 -24.7 -52.7 6 28.0 -26.5 197 30 286.9 286.9 275.1 287.0 0.05 16 571 4207 -27.5 -55.5 5 28.0 -29.0 198 34 288.3 288.4 275.9 288.5 0.04 17 500 5150 -34.5 -51.5 16 17.0 -35.3 200 42 291.0 291.0 277.3 291.2 0.07 18 448 5912 -36.5 -62.5 5 26.0 -37.4 205 67 297.7 297.7 280.4 297.8 0.02 19 431 6178 -38.1 -52.1 22 14.0 -38.7 207 76 299.0 299.0 281.0 299.3 0.07 20 428 6226 -36.9 -47.9 31 11.0 -37.5 207 78 301.1 301.2 282.0 301.6 0.12 21 400 6690 -40.1 -50.1 34 10.0 -40.6 210 93 302.9 302.9 282.7 303.2 0.10 22 394 6793 -40.5 -51.5 30 11.0 -41.0 210 97 303.7 303.7 283.0 304.0 0.08 23 373 7165 -43.1 -49.5 49 6.4 -43.4 210 112 305.0 305.0 283.5 305.4 0.11 24 367 7274 -43.9 -48.9 58 5.0 -44.1 210 112 305.4 305.4 283.7 305.8 0.12 25 353 7535 -45.5 -56.5 28 11.0 -45.8 210 110 306.6 306.6 284.1 306.8 0.05 26 343 7727 -43.9 -66.9 6 23.0 -44.5 210 110 311.3 311.3 285.8 311.4 0.01 27 310 8403 -47.1 -70.1 5 23.0 -47.5 210 107 316.0 316.0 287.4 316.0 0.01 28 300 8620 -47.7 -70.7 5 23.0 -48.1 210 106 318.1 318.1 288.1 318.2 0.01 29 278 9120 -48.3 -73.3 4 25.0 -48.7 213 103 324.3 324.3 290.0 324.3 0.01 30 259 9581 -51.1 -75.1 4 24.0 -51.4 215 101 326.8 326.8 290.8 326.8 0.01 31 250 9810 -50.7 -75.7 4 25.0 -51.1 215 93 330.7 330.7 291.9 330.7 0.01 32 215 10796 -49.9 -82.9 1 33.0 -50.4 215 77 346.5 346.5 295.8 346.5 0.00 33 200 11270 -49.5 -82.5 1 33.0 -50.0 215 69 354.4 354.4 297.5 354.4 0.00 34 150 13140 -53.1 -85.1 1 32.0 -53.5 205 69 378.6 378.6 302.0 378.6 0.00 35 101 15658 -58.9 -88.9 1 30.0 -59.2 200 58 412.7 412.7 306.9 412.8 0.00 36 100 15720 -58.9 -88.9 1 30.0 -59.2 200 58 413.9 413.9 307.0 413.9 0.00 37 77 17350 -59.3 -89.3 1 30.0 -59.7 204 59 445.2 445.2 310.4 445.2 0.00 38 70 17940 -62.3 -91.3 1 29.0 -62.6 205 60 451.1 451.1 311.0 451.1 0.00 39 50 20010 -65.1 -93.1 1 28.0 -65.4 210 58 490.1 490.1 314.2 490.1 0.00 40 42 21066 -66.1 -94.1 1 28.0 -66.4 213 65 512.7 512.7 315.8 512.7 0.00 41 34 22326 -71.9 -97.9 1 26.0 -72.1 218 74 529.3 529.3 316.9 529.3 0.00 42 30 23060 -72.9 -98.9 1 26.0 -73.0 220 79 545.9 545.9 317.9 545.9 0.00 43 20 25400 -79.5 -103.5 1 24.0 -79.6 225 85 592.8 592.8 320.3 592.8 0.00 44 18 25996 -80.7 -103.7 1 23.0 -80.8 227 85 607.2 607.2 320.9 607.2 0.00 45 10 29300 -81.7 -104.7 1 23.0 -81.8 240 83 714.6 714.6 324.9 714.6 0.00 46 6.9 31383 -81.3 -104.3 1 23.0 -81.5 796.3 796.3 327.1 796.3 0.00 TRP 259 9581 -51.1 -75.1 4 24.0 -51.4 215 101 326.8 326.8 290.8 326.8 0.01 WND 373 7165 -43.1 -49.5 49 6.4 -43.4 210 112 305.0 305.0 283.5 305.4 0.11 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.21 inches Sfc-500 mean rel hum: 46.31 % Est. max temperature: 0.89 C = 33.60 F Sfc-Lift cond lev (LCL): 818.66 mb = 1535.26 m = 5036.87 ft T: -12.98 C 700-500 lapse rate: 6.07 C/km ThetaE index: 2.25 C Layer 889.0- 850.0 mb Conv cond level (CCL): 902.23 mb = 786.24 m = 2579.50 ft Mean mixing ratio: 2.47 g/kg Conv temperature: -0.03 C = 31.95 F Cap Strength: 7.81 C Lifted Index: 9.25 C Risk: None Lifted Index @300 mb: 26.87 C Lifted Index @700 mb: 2.81 C Showalter Index: 9.72 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.40 C Cross Totals Index: 22.60 C K Index: -1.50 Risk: None Sweat Index: 64.00 Risk: None Energy Index: 2.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.36 J/kg Max Up Vert Vel: 4.97 m/s Conv Inhibition (B-): 6.89 J/kg Cap Strength: 9.07 C Lift Cond Lev (LCL): 909.17 mb = 725.99 m = 2381.82 ft Lev Free Conv (LFC): 884.17 mb = 944.70 m = 3099.36 ft Equ Level (EL): 824.17 mb = 1484.30 m = 4869.70 ft B at Equ Level: 12.18 J/kg Max Parcel Lev (MPL): 754.17 mb = 2157.43 m = 7078.09 ft Wind level data Storm motion: 227 at 20 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 ---------------------------------------------------------- 0 990 52 0 0 -0.0 -0.0 | 47 20 -14.7 -13.7 1 850 1250 165 11 -2.8 10.6 | 80 18 -17.5 -3.1 2 700 2713 195 21 5.4 20.3 | 125 11 -9.3 6.6 3 500 5150 200 42 14.4 39.5 | 179 26 -0.3 25.8 4 400 6690 210 93 46.5 80.5 | 205 74 31.8 66.8 5 373 7165 210 112 56.0 97.0 | 206 93 41.3 83.3 6 300 8620 210 106 53.0 91.8 | 206 87 38.3 78.1 7 259 9581 215 101 57.9 82.7 | 212 81 43.2 69.0 8 250 9810 215 93 53.3 76.2 | 212 73 38.7 62.5 9 200 11270 215 69 39.6 56.5 | 210 50 24.9 42.8 10 150 13140 205 69 29.2 62.5 | 197 51 14.5 48.8 11 100 15720 200 58 19.8 54.5 | 187 41 5.1 40.8 12 70 17940 205 60 25.4 54.4 | 195 42 10.7 40.7 13 50 20010 210 58 29.0 50.2 | 201 39 14.3 36.5 14 30 23060 220 79 50.8 60.5 | 218 59 36.1 46.8 15 20 25400 225 85 60.1 60.1 | 224 65 45.4 46.4 16 10 29300 240 83 71.9 41.5 | 244 64 57.2 27.8 Wind Parameters Mean winds (0-6000m): 197.0 at 26.8 knts Storm direction: 227.0 at 20.1 knts Shear (0-3000m) pos: 4.1 neg: 0.0 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 91.6 deg Storm rel helicity (0-3000m) pos: 137.7 neg: -3.1 tot: 134.5 m^2/s^2 ave: 44.8 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.15 Bulk Shear: 81.03 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 ------------------------------------------------------------------------------- 500 195 2 50 18| 4.7 0.0 4.7| 14.4 -3.1 11.2 22.4 0.32| 5.7 1.8 1000 171 5 59 18| 4.7 0.0 4.7| 69.5 -3.1 66.3 66.3 0.70| 7.7 5.3 1500 166 7 66 18| 4.5 0.0 4.5| 95.0 -3.1 91.8 61.2 0.69| 7.7 5.3 2000 171 9 73 17| 4.2 0.0 4.2|110.4 -3.1 107.3 53.6 0.72| 6.9 5.0 2500 178 11 79 15| 4.1 0.0 4.1|124.7 -3.1 121.6 48.6 0.74| 6.5 4.8 3000 183 13 85 14| 4.1 0.0 4.1|137.7 -3.1 134.5 44.8 0.76| 6.2 4.7 4000 189 16 102 12| 4.2 0.0 4.2|163.7 -3.1 160.6 40.1 0.76| 5.8 4.4 5000 193 21 124 12| 4.2 0.0 4.2|192.1 -3.1 189.0 37.8 0.73| 5.5 4.0 6000 197 27 150 14| 6.2 0.0 6.2|321.0 -3.1 317.9 53.0 0.61| 7.3 4.4 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251223.23.gif