UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for BGAM... Searching the city database file for: BGAM ... Date:2300Z 27 APR 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 1003 52 1.0 0.4 96 0.6 0.7 190 3 273.9 274.6 273.8 284.5 3.92 1 972 303 -0.7 -1.1 97 0.4 -0.9 168 9 274.7 275.3 273.8 284.5 3.63 2 901 905 -3.3 -4.0 95 0.7 -3.6 115 24 278.0 278.6 275.0 286.8 3.15 3 850 1363 -5.1 -5.1 100 0.0 -5.1 75 36 280.8 281.3 276.4 289.5 3.07 4 774 2095 -8.1 -8.1 100 0.0 -8.1 89 27 285.2 285.7 278.1 292.9 2.68 5 757 2268 -9.1 -9.1 100 0.0 -9.1 93 25 285.9 286.4 278.3 293.3 2.53 6 700 2869 -13.3 -13.3 100 0.0 -13.3 105 17 287.8 288.1 278.4 293.6 1.96 7 635 3604 -18.3 -18.6 97 0.3 -18.4 96 14 290.2 290.4 278.8 294.4 1.39 8 586 4198 -22.9 -23.6 94 0.7 -23.0 89 12 291.6 291.8 278.9 294.6 0.97 9 579 4286 -23.5 -24.3 93 0.8 -23.7 88 11 291.9 292.0 279.0 294.8 0.92 10 500 5340 -32.1 -33.0 92 0.9 -32.2 75 7 293.9 294.0 279.3 295.4 0.47 11 477 5670 -35.1 -35.9 92 0.8 -35.2 83 8 294.2 294.2 279.3 295.4 0.37 12 410 6705 -44.3 -46.0 83 1.7 -44.4 111 12 295.3 295.3 279.5 295.8 0.15 13 400 6870 -44.5 -46.5 80 2.0 -44.6 115 13 297.2 297.2 280.3 297.7 0.15 14 377 7265 -46.1 -52.1 51 6.0 -46.3 135 11 300.1 300.1 281.5 300.4 0.08 15 354 7681 -48.3 -51.5 69 3.2 -48.4 155 9 302.6 302.6 282.5 302.9 0.09 16 310 8541 -54.9 -56.3 84 1.4 -54.9 199 4 305.1 305.1 283.5 305.3 0.06 17 300 8750 -56.1 -57.8 81 1.7 -56.1 210 3 306.3 306.3 284.0 306.5 0.05 18 299 8771 -56.1 -57.8 81 1.7 -56.1 200 3 306.6 306.6 284.1 306.8 0.05 19 265 9550 -50.5 -59.5 34 9.0 -50.7 187 8 325.5 325.5 290.5 325.7 0.05 20 250 9930 -50.5 -59.5 34 9.0 -50.7 180 11 331.0 331.0 292.0 331.2 0.05 21 219 10793 -48.1 -60.1 24 12.0 -48.5 183 12 347.5 347.5 296.1 347.7 0.05 22 205 11227 -46.5 -56.5 31 10.0 -47.0 184 13 356.6 356.6 298.1 357.0 0.09 23 200 11390 -47.1 -58.1 27 11.0 -47.6 185 13 358.2 358.2 298.4 358.5 0.07 24 150 13300 -46.1 -80.1 1 34.0 -47.1 190 9 390.6 390.6 303.9 390.6 0.00 25 101 15924 -48.3 -81.3 1 33.0 -49.4 219 9 433.2 433.2 309.1 433.2 0.01 26 100 15990 -48.3 -81.3 1 33.0 -49.4 220 9 434.4 434.4 309.3 434.4 0.01 27 74 17966 -50.5 -82.5 1 32.0 -51.7 250 9 468.8 468.8 312.5 468.9 0.01 28 70 18330 -49.1 -82.1 1 33.0 -50.5 255 9 479.3 479.3 313.4 479.4 0.01 29 50 20530 -50.7 -82.7 1 32.0 -52.3 225 1 524.0 524.0 316.5 524.0 0.01 30 30 23860 -49.9 -82.9 1 33.0 -52.5 20 1 608.6 608.6 321.0 608.7 0.01 31 21 26185 -51.3 -83.3 1 32.0 -54.3 669.7 669.7 323.4 669.9 0.02 TRP 299 8771 -56.1 -57.8 81 1.7 -56.1 200 3 306.6 306.6 284.1 306.8 0.05 WND Sounding variables and indices 1000-500 mb thick: 5264.05 m Freezing level: 984.76 mb = 199.63 m = 654.93 ft Wetbulb zero: 988.83 mb = 165.70 m = 543.63 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 96.81 % Est. max temperature: 7.72 C = 45.90 F Sfc-Lift cond lev (LCL): 993.62 mb = 127.13 m = 417.08 ft T: 0.49 C 700-500 lapse rate: 7.61 C/km Conv cond level (CCL): 932.62 mb = 631.01 m = 2070.22 ft Mean mixing ratio: 3.51 g/kg Conv temperature: 3.58 C = 38.44 F Cap Strength: 7.01 C Lifted Index: 7.69 C Risk: None Lifted Index @300 mb: 14.90 C Lifted Index @700 mb: 5.49 C Showalter Index: 4.50 C Risk: None Total Totals Index: 54.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.00 C Cross Totals Index: 27.00 C K Index: 21.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 179.00 Risk: None Energy Index: 1.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.76 J/kg Max Up Vert Vel: 5.61 m/s Conv Inhibition (B-): 54892.54 J/kg Cap Strength: 7.65 C Lift Cond Lev (LCL): 943.90 mb = 535.61 m = 1757.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 117 at 12 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 1003 52 190 3 0.5 3.0 | 283 12 11.6 -2.7 1 850 1363 75 36 -34.8 -9.3 | 58 28 -23.6 -15.0 2 700 2869 105 17 -16.4 4.4 | 76 5 -5.3 -1.3 3 500 5340 75 7 -6.8 -1.8 | 330 9 4.4 -7.5 4 400 6870 115 13 -11.8 5.5 | 73 1 -0.7 -0.2 5 300 8750 210 3 1.5 2.6 | 284 13 12.6 -3.1 6 299 8771 200 3 1.0 2.8 | 283 12 12.2 -2.9 7 250 9930 180 11 0.0 11.0 | 245 12 11.1 5.3 8 200 11390 185 13 1.1 13.0 | 239 14 12.3 7.3 9 150 13300 190 9 1.6 8.9 | 256 13 12.7 3.2 10 100 15990 220 9 5.8 6.9 | 266 17 16.9 1.2 11 70 18330 255 9 8.7 2.3 | 280 20 19.8 -3.4 12 50 20530 225 1 0.7 0.7 | 293 13 11.8 -5.0 13 30 23860 20 1 -0.3 -0.9 | 302 13 10.8 -6.6 Wind Parameters Mean winds (0-6000m): 87.1 at 16.7 knts Storm direction: 117.1 at 12.5 knts Shear (0-3000m) pos: 3.4 neg: 6.0 tot: 9.4 10-3/s Storm rel Dir Shear (0-3000m): 142.8 deg Storm rel helicity (0-3000m) pos: 29.8 neg: -156.5 tot: -126.7 m^2/s^2 ave: -42.2 10^-3 m/s^2 rel: -0.52 Storm rel vorticity (0-3000m) horiz: 13.1 stream: -6.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.71 Bulk Shear: 22.34 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 37 8 334 14| 0.0 14.0 14.0| 0.0 -35.2 -35.2 -70.4 -0.95| 15.1-14.4 1000 73 15 19 11| 0.0 14.5 14.5| 0.0 -85.1 -85.1 -85.1 -0.91| 18.4-16.8 1500 79 21 45 14| 0.0 11.9 11.9| 6.7-155.1-148.4 -99.0 -0.80| 18.9-15.0 2000 80 24 51 16| 2.1 9.0 11.1| 23.4-155.1-131.7 -65.8 -0.64| 16.3-10.5 2500 82 24 54 15| 3.2 7.2 10.4| 29.4-155.1-125.7 -50.3 -0.55| 14.6 -8.1 3000 84 23 55 14| 3.4 6.0 9.4| 29.8-156.5-126.7 -42.2 -0.52| 13.1 -6.9 4000 86 21 53 12| 2.6 4.2 6.7| 29.8-163.3-133.4 -33.4 -0.55| 10.5 -5.8 5000 87 18 48 10| 2.0 3.0 5.1| 29.8-170.3-140.5 -28.1 -0.57| 8.8 -5.0 6000 87 17 40 9| 1.7 2.5 4.2| 33.3-172.5-139.2 -23.2 -0.53| 7.8 -4.1 Wrote GIF file: /home/apache/climate/data/raob//BGAM/skewt/BGAM.skewt.20250427.23.gif