UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122723.upa.cvt Date: 2300Z 27 DEC 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 27 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 1025 52 -2.3 -2.3 100 0.0 -2.3 170 3 268.9 269.5 269.5 277.3 3.14 1 993 305 1.2 -5.8 60 7.0 -1.3 189 5 274.9 275.3 272.2 281.8 2.49 2 978 427 1.8 -7.2 51 9.0 -1.4 198 6 276.7 277.1 272.9 283.1 2.27 3 965 534 1.4 -9.6 44 11.0 -2.3 205 6 277.4 277.7 272.8 282.8 1.91 4 922 898 -0.9 -12.9 40 12.0 -4.6 232 9 278.6 278.9 272.9 283.1 1.53 5 897 1117 -2.3 -14.3 39 12.0 -5.8 248 10 279.4 279.6 273.2 283.5 1.41 6 864 1413 -2.7 -15.7 36 13.0 -6.4 270 12 282.0 282.2 274.5 285.8 1.30 7 850 1542 -3.5 -16.5 36 13.0 -7.1 280 13 282.5 282.7 274.6 286.1 1.24 8 792 2098 -6.1 -18.1 38 12.0 -9.2 267 21 285.5 285.7 276.1 289.0 1.16 9 752 2503 -6.7 -19.7 35 13.0 -10.1 258 27 289.1 289.3 277.8 292.4 1.07 10 700 3058 -10.5 -21.5 40 11.0 -13.1 245 35 290.9 291.0 278.6 293.9 0.98 11 687 3202 -11.5 -18.5 56 7.0 -13.3 245 37 291.3 291.5 279.2 295.3 1.29 12 680 3280 -12.1 -19.1 56 7.0 -13.9 245 38 291.5 291.7 279.2 295.3 1.24 13 675 3337 -11.9 -21.9 43 10.0 -14.2 245 38 292.3 292.5 279.3 295.4 0.98 14 652 3602 -11.1 -14.4 77 3.3 -12.1 245 42 296.1 296.5 282.2 302.0 1.92 15 631 3853 -11.1 -15.1 72 4.0 -12.3 245 45 298.9 299.3 283.3 304.8 1.87 16 603 4200 -12.9 -19.9 56 7.0 -14.7 245 49 300.8 301.0 283.4 304.9 1.31 17 592 4340 -13.3 -27.3 30 14.0 -16.2 245 50 301.9 302.0 283.1 304.2 0.69 18 583 4456 -13.9 -23.9 43 10.0 -16.2 245 52 302.5 302.7 283.7 305.6 0.95 19 521 5298 -20.9 -30.9 40 10.0 -22.5 245 62 304.0 304.1 283.7 305.8 0.56 20 500 5600 -23.7 -28.7 63 5.0 -24.5 245 66 304.1 304.3 284.0 306.5 0.72 21 407 7078 -33.5 -43.5 36 10.0 -34.3 245 68 309.9 309.9 285.5 310.6 0.20 22 400 7200 -34.7 -42.7 44 8.0 -35.3 245 68 309.9 309.9 285.5 310.7 0.22 23 346 8195 -43.3 -43.8 95 0.5 -43.3 248 71 311.4 311.4 286.1 312.2 0.23 24 332 8472 -45.1 -48.7 67 3.6 -45.3 248 71 312.6 312.6 286.4 313.1 0.14 25 300 9140 -51.1 -53.6 75 2.5 -51.2 250 73 313.3 313.3 286.6 313.7 0.09 26 250 10300 -60.5 -64.4 60 3.9 -60.6 250 71 316.1 316.1 287.5 316.2 0.03 27 230 10809 -65.3 -69.4 57 4.1 -65.3 244 72 316.4 316.4 287.6 316.5 0.01 28 200 11640 -72.3 -75.4 63 3.1 -72.3 235 73 318.3 318.3 288.2 318.3 0.01 29 184 12128 -75.1 -77.9 65 2.8 -75.2 240 81 321.3 321.3 289.2 321.3 0.01 30 181 12223 -75.7 -78.4 66 2.7 -75.7 245 81 321.9 321.9 289.3 321.9 0.00 31 174 12455 -70.9 -74.0 63 3.1 -70.9 245 75 333.5 333.5 292.7 333.5 0.01 32 150 13340 -68.7 -75.7 36 7.0 -68.7 245 54 351.7 351.7 297.0 351.8 0.01 33 135 13969 -69.3 -77.3 30 8.0 -69.4 242 53 361.4 361.4 299.0 361.5 0.01 34 119 14729 -65.5 -78.5 15 13.0 -65.6 239 53 381.7 381.7 302.5 381.7 0.01 35 101 15720 -67.9 -85.9 6 18.0 -68.0 235 52 395.4 395.4 304.6 395.4 0.00 36 100 15780 -68.1 -86.1 6 18.0 -68.2 235 52 396.2 396.2 304.7 396.2 0.00 37 94 16149 -69.5 -89.5 4 20.0 -69.6 236 53 400.5 400.5 305.3 400.5 0.00 38 79 17192 -65.9 -93.9 1 28.0 -66.1 238 55 428.3 428.3 308.7 428.3 0.00 39 70 17920 -68.5 -95.5 1 27.0 -68.7 240 56 437.8 437.8 309.7 437.8 0.00 40 50 19920 -72.7 -98.7 1 26.0 -72.8 255 52 472.2 472.2 312.8 472.2 0.00 41 44 20666 -75.1 -100.1 1 25.0 -75.2 483.9 483.9 313.8 483.9 0.00 TRP 181 12223 -75.7 -78.4 66 2.7 -75.7 245 81 321.9 321.9 289.3 321.9 0.00 WND 184 12128 -75.1 -77.9 65 2.8 -75.2 240 81 321.3 321.3 289.2 321.3 0.01 Sounding variables and indices 1000-500 mb thick: 5351.33 m Freezing level: Surface below freezing Freezing level: 1003.97 mb = 218.01 m = 715.24 ft Freezing level: 938.83 mb = 755.89 m = 2479.92 ft Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 46.74 % Est. max temperature: 9.96 C = 49.93 F Sfc-Lift cond lev (LCL): 1024.78 mb = 53.69 m = 176.16 ft T: -2.28 C 700-500 lapse rate: 5.19 C/km ThetaE index: 0.30 C Layer 965.0- 922.0 mb Conv cond level (CCL): 581.06 mb = 4481.27 m = 14702.16 ft Mean mixing ratio: 2.21 g/kg Conv temperature: 31.55 C = 88.79 F Cap Strength: 18.98 C Lifted Index: 18.76 C Risk: None Lifted Index @300 mb: 22.36 C Lifted Index @700 mb: 10.81 C Showalter Index: 15.42 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 7.20 C K Index: -7.30 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 4.31 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.09 J/kg Max Up Vert Vel: 8.26 m/s Conv Inhibition (B-): 30517.44 J/kg Cap Strength: 18.97 C Lift Cond Lev (LCL): 858.68 mb = 1461.81 m = 4795.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 278 at 26 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 1025 52 170 3 -0.5 3.0 | 104 27 -26.4 6.4 1 850 1542 280 13 12.8 -2.3 | 95 13 -13.1 1.1 2 700 3058 245 35 31.7 14.8 | 198 19 5.8 18.2 3 500 5600 245 66 59.8 27.9 | 227 46 33.9 31.3 4 400 7200 245 68 61.6 28.7 | 228 48 35.8 32.1 5 300 9140 250 73 68.6 25.0 | 236 51 42.7 28.4 6 250 10300 250 71 66.7 24.3 | 236 49 40.8 27.7 7 200 11640 235 73 59.8 41.9 | 217 57 33.9 45.3 8 184 12128 240 81 70.1 40.5 | 225 62 44.3 43.9 9 181 12223 245 81 73.4 34.2 | 232 61 47.5 37.6 10 150 13340 245 54 48.9 22.8 | 221 35 23.1 26.2 11 100 15780 235 52 42.6 29.8 | 207 37 16.7 33.2 12 70 17920 240 56 48.5 28.0 | 216 39 22.6 31.4 13 50 19920 255 52 50.2 13.5 | 235 30 24.4 16.9 Wind Parameters Mean winds (0-6000m): 247.5 at 34.8 knts Storm direction: 277.5 at 26.1 knts Shear (0-3000m) pos: 2.5 neg: 4.3 tot: 6.8 10-3/s Storm rel Dir Shear (0-3000m): 94.2 deg Storm rel helicity (0-3000m) pos: 67.4 neg: -20.1 tot: 47.2 m^2/s^2 ave: 15.7 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 7.7 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.23 Bulk Shear: 148.49 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 ------------------------------------------------------------------------------- 500 317 4 91 23| 4.5 0.0 4.5| 25.5 0.0 25.5 51.0 0.81| 4.7 3.8 1000 270 6 100 20| 4.8 0.0 4.8| 33.2 -0.8 32.4 32.4 0.44| 5.5 2.4 1500 267 8 102 18| 5.0 0.0 5.0| 33.2 -20.1 13.1 8.7 -0.01| 6.4 -0.0 2000 270 10 102 16| 3.7 2.0 5.8| 44.3 -20.1 24.2 12.1 0.17| 6.8 1.2 2500 265 13 109 14| 3.0 3.4 6.3| 58.5 -20.1 38.4 15.4 0.34| 7.3 2.5 3000 257 16 125 12| 2.5 4.3 6.8| 67.4 -20.1 47.2 15.7 0.33| 7.7 2.5 4000 251 22 155 12| 1.9 4.8 6.6|112.3 -20.1 92.2 23.1 0.38| 7.4 2.8 5000 249 29 183 14| 1.5 5.1 6.5|157.6 -20.1 137.5 27.5 0.39| 7.1 2.8 6000 248 35 201 18| 1.2 4.8 6.1|184.5 -20.1 164.4 27.4 0.38| 6.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20251227.23.gif