UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122223.upa.cvt Date: 2300Z 22 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 22 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 983 52 -1.3 -1.5 99 0.2 -1.4 175 3 273.2 273.8 272.6 282.6 3.48 1 953 299 -2.3 -2.6 98 0.3 -2.4 166 8 274.6 275.2 273.2 283.7 3.31 2 939 417 -2.7 -3.9 91 1.2 -3.1 162 11 275.4 275.9 273.3 283.7 3.05 3 883 901 -6.7 -8.5 87 1.8 -7.3 145 21 276.1 276.5 272.6 282.5 2.28 4 850 1198 -9.3 -9.3 100 0.0 -9.3 135 27 276.4 276.8 272.7 282.6 2.22 5 755 2101 -16.7 -16.7 100 0.0 -16.7 132 31 277.9 278.1 272.2 281.9 1.37 6 700 2666 -19.9 -22.3 81 2.4 -20.3 130 33 280.4 280.6 273.0 283.2 0.91 7 670 2989 -22.5 -25.7 75 3.2 -23.0 131 33 281.1 281.2 273.0 283.2 0.70 8 658 3122 -22.9 -29.9 53 7.0 -23.8 131 33 282.1 282.2 273.2 283.6 0.49 9 616 3601 -26.3 -32.3 57 6.0 -27.0 132 34 283.5 283.6 273.9 284.8 0.41 10 596 3839 -28.3 -32.6 67 4.3 -28.7 132 34 283.9 284.0 274.1 285.2 0.41 11 567 4195 -30.7 -37.7 50 7.0 -31.3 133 34 285.2 285.2 274.6 286.0 0.26 12 552 4385 -30.7 -41.7 33 11.0 -31.5 134 34 287.4 287.4 275.6 288.0 0.18 13 545 4475 -31.3 -40.3 41 9.0 -32.0 134 34 287.7 287.7 275.8 288.4 0.21 14 500 5080 -35.7 -45.7 35 10.0 -36.2 135 35 289.5 289.5 276.6 289.9 0.13 15 467 5550 -39.5 -45.5 53 6.0 -39.8 132 40 290.5 290.5 277.2 291.0 0.14 16 447 5849 -40.3 -55.3 19 15.0 -40.8 130 43 293.1 293.2 278.3 293.3 0.05 17 428 6143 -42.3 -50.3 41 8.0 -42.6 128 45 294.3 294.3 278.9 294.6 0.09 18 416 6335 -41.9 -64.9 6 23.0 -42.5 127 47 297.2 297.2 280.1 297.2 0.01 19 400 6600 -42.9 -64.9 7 22.0 -43.4 125 50 299.2 299.2 281.0 299.3 0.02 20 323 8024 -49.3 -68.3 9 19.0 -49.6 135 50 309.3 309.3 285.1 309.3 0.01 21 300 8510 -48.3 -71.3 5 23.0 -48.7 155 42 317.3 317.3 287.9 317.3 0.01 22 250 9710 -47.7 -74.7 3 27.0 -48.2 165 40 335.2 335.2 293.1 335.2 0.01 23 221 10528 -46.1 -79.1 1 33.0 -46.8 168 40 349.6 349.6 296.5 349.7 0.00 24 212 10805 -46.9 -80.9 1 34.0 -47.6 169 40 352.6 352.6 297.2 352.6 0.00 25 200 11190 -48.7 -81.7 1 33.0 -49.3 170 40 355.7 355.7 297.8 355.7 0.00 26 183 11771 -50.5 -82.5 1 32.0 -51.0 176 41 361.9 361.9 299.1 361.9 0.00 27 150 13070 -49.5 -82.5 1 33.0 -50.2 190 44 384.8 384.8 303.0 384.8 0.00 28 142 13428 -49.5 -82.5 1 33.0 -50.2 192 45 390.9 390.9 303.9 390.9 0.00 29 101 15627 -54.9 -85.9 1 31.0 -55.4 205 54 420.5 420.5 307.7 420.5 0.00 30 100 15690 -55.3 -86.3 1 31.0 -55.8 205 54 420.9 420.9 307.8 420.9 0.00 31 70 17950 -58.5 -88.5 1 30.0 -59.0 225 54 459.2 459.2 311.7 459.2 0.00 32 63 18611 -59.1 -89.1 1 30.0 -59.6 225 54 472.0 472.0 312.8 472.0 0.00 33 50 20030 -67.5 -94.5 1 27.0 -67.7 225 54 484.4 484.4 313.8 484.4 0.00 34 47 20401 -69.3 -96.3 1 27.0 -69.5 226 57 488.8 488.8 314.1 488.8 0.00 35 30 23060 -72.3 -98.3 1 26.0 -72.5 235 75 547.5 547.5 317.9 547.5 0.00 36 28 23467 -72.3 -98.3 1 26.0 -72.5 238 75 558.5 558.5 318.6 558.5 0.00 37 23 24612 -77.3 -101.3 1 24.0 -77.4 245 76 576.1 576.1 319.5 576.1 0.00 38 20 25420 -74.9 -99.9 1 25.0 -75.1 250 77 606.9 606.9 320.9 606.9 0.00 39 11 28781 -85.8 -108.2 1 22.4 -85.8 260 99 680.6 680.6 323.8 680.6 0.00 40 10 29300 -87.5 -109.5 1 22.0 -87.5 250 77 692.9 692.9 324.2 692.9 0.00 41 9.9 29355 -87.5 -109.5 1 22.0 -87.5 694.9 694.9 324.3 694.9 0.00 TRP 323 8024 -49.3 -68.3 9 19.0 -49.6 135 50 309.3 309.3 285.1 309.3 0.01 WND 11 28781 -85.8 -108.2 1 22.4 -85.8 260 99 680.6 680.6 323.8 680.6 0.00 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.28 inches Sfc-500 mean rel hum: 74.26 % Est. max temperature: 2.17 C = 35.91 F Sfc-Lift cond lev (LCL): 979.75 mb = 78.37 m = 257.11 ft T: -1.41 C 700-500 lapse rate: 6.55 C/km ThetaE index: 1.28 C Layer 883.0- 850.0 mb Conv cond level (CCL): 909.25 mb = 670.48 m = 2199.72 ft Mean mixing ratio: 2.94 g/kg Conv temperature: 1.26 C = 34.26 F Cap Strength: 4.66 C Lifted Index: 5.71 C Risk: None Lifted Index @300 mb: 24.16 C Lifted Index @700 mb: 0.41 C Showalter Index: 6.17 C Risk: None Total Totals Index: 52.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 26.40 C K Index: 14.70 Risk: None Sweat Index: 165.00 Risk: None Energy Index: 1.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.34 J/kg Max Up Vert Vel: 9.20 m/s Conv Inhibition (B-): 6.19 J/kg Cap Strength: 5.50 C Lift Cond Lev (LCL): 918.34 mb = 592.05 m = 1942.41 ft Lev Free Conv (LFC): 873.34 mb = 987.08 m = 3238.42 ft Equ Level (EL): 713.34 mb = 2525.05 m = 8284.19 ft B at Equ Level: 42.07 J/kg Max Parcel Lev (MPL): 613.34 mb = 3632.51 m = 11917.55 ft Wind level data Storm motion: 163 at 23 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 ---------------------------------------------------------- 0 983 52 175 3 -0.3 3.0 | 341 20 6.5 -18.9 1 850 1198 135 27 -19.1 19.1 | 77 13 -12.3 -2.8 2 700 2666 130 33 -25.3 21.2 | 88 18 -18.5 -0.7 3 500 5080 135 35 -24.7 24.7 | 99 18 -17.9 2.8 4 400 6600 125 50 -41.0 28.7 | 101 35 -34.2 6.7 5 323 8024 135 50 -35.4 35.4 | 115 32 -28.6 13.4 6 300 8510 155 42 -17.7 38.1 | 146 19 -10.9 16.1 7 250 9710 165 40 -10.4 38.6 | 168 17 -3.6 16.7 8 200 11190 170 40 -6.9 39.4 | 180 17 -0.1 17.5 9 150 13070 190 44 7.6 43.3 | 214 26 14.4 21.4 10 100 15690 205 54 22.8 48.9 | 228 40 29.6 27.0 11 70 17950 225 54 38.2 38.2 | 250 48 45.0 16.2 12 50 20030 225 54 38.2 38.2 | 250 48 45.0 16.2 13 30 23060 235 75 61.4 43.0 | 253 71 68.2 21.1 14 20 25420 250 77 72.4 26.3 | 267 79 79.2 4.4 15 11 28781 260 99 97.5 17.2 | 273 104 104.3 -4.7 16 10 29300 250 77 72.4 26.3 | 267 79 79.2 4.4 Wind Parameters Mean winds (0-6000m): 132.8 at 30.6 knts Storm direction: 162.8 at 23.0 knts Shear (0-3000m) pos: 0.1 neg: 5.2 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 108.5 deg Storm rel helicity (0-3000m) pos: 45.2 neg: -1.1 tot: 44.1 m^2/s^2 ave: 14.7 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.61 Bulk Shear: 69.87 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 ------------------------------------------------------------------------------- 500 125 8 358 17| 0.0 11.0 11.0| 6.3 -1.1 5.2 10.5 0.17| 11.1 1.8 1000 139 13 9 12| 0.0 11.1 11.1| 26.2 -1.1 25.1 25.1 0.52| 11.7 6.1 1500 137 18 32 10| 0.0 9.0 9.0| 34.3 -1.1 33.2 22.1 0.52| 9.7 5.0 2000 136 21 48 10| 0.0 7.3 7.3| 38.2 -1.1 37.1 18.6 0.51| 7.8 4.0 2500 134 23 59 11| 0.0 6.3 6.3| 41.8 -1.1 40.7 16.3 0.50| 6.7 3.4 3000 133 25 66 12| 0.1 5.2 5.4| 45.2 -1.1 44.1 14.7 0.51| 5.8 2.9 4000 133 27 75 13| 0.3 3.9 4.2| 52.3 -1.1 51.3 12.8 0.53| 4.5 2.4 5000 133 29 81 14| 0.4 3.1 3.5| 59.6 -1.1 58.5 11.7 0.55| 3.8 2.1 6000 133 31 86 16| 0.3 3.5 3.8| 65.9 -1.1 64.8 10.8 0.45| 4.0 1.8 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251222.23.gif