UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VG883... Searching the city database file for: VG883 ... Date:0000Z 20 APR 25 Station: VG883 WMO ident: 41883 Latitude: 24.85 Longitude: 89.37 ------------------------------------------------------------------------------- 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 1004 25 25.4 24.4 94 1.0 24.7 0 0 298.2 301.8 297.7 355.0 19.51 1 1000 60 24.4 22.3 88 2.1 22.9 150 6 297.5 300.7 296.1 347.4 17.19 2 995 104 24.0 22.3 90 1.7 22.8 150 6 297.6 300.7 296.1 347.7 17.28 3 941 594 24.0 18.0 69 6.0 19.8 146 4 302.4 304.9 295.1 343.5 13.93 4 930 698 23.6 17.6 69 6.0 19.4 145 3 303.0 305.5 295.2 343.7 13.74 5 925 745 23.2 17.2 69 6.0 19.1 145 3 303.0 305.5 295.0 342.9 13.47 6 850 1477 17.2 15.3 89 1.9 15.9 195 3 304.2 306.6 295.0 342.8 12.97 7 791 2088 13.4 11.3 87 2.1 12.0 234 15 306.4 308.4 294.0 338.6 10.70 8 782 2184 12.6 10.0 84 2.6 11.0 240 17 306.6 308.4 293.4 336.5 9.91 9 776 2249 13.0 4.0 54 9.0 7.9 244 18 307.7 308.9 291.1 327.8 6.58 10 768 2337 13.4 4.4 54 9.0 8.2 250 20 309.0 310.3 291.7 330.0 6.84 11 703 3078 10.4 -0.6 46 11.0 4.5 298 35 313.6 314.6 291.7 330.1 5.21 12 700 3114 9.8 -1.2 46 11.0 4.0 300 36 313.3 314.3 291.5 329.1 5.01 13 623 4068 3.4 -8.6 41 12.0 -2.0 300 40 316.6 317.2 290.9 327.0 3.20 14 592 4479 0.2 -20.8 19 21.0 -6.7 300 41 317.6 317.8 289.3 321.8 1.23 15 539 5227 -1.5 300 45 324.2 16 536 5272 -1.7 -44.7 2 43.0 -10.2 300 45 324.5 324.5 290.3 325.0 0.13 17 500 5820 -5.7 -35.7 7 30.0 -12.5 300 47 326.1 326.2 291.0 327.4 0.36 18 428 7020 -15.3 -43.3 7 28.0 -19.7 279 53 328.7 328.7 291.6 329.4 0.19 19 400 7530 -17.9 -48.9 5 31.0 -22.0 270 55 331.7 331.7 292.3 332.2 0.11 20 396 7605 -18.1 -52.1 3 34.0 -22.2 272 56 332.4 332.4 292.4 332.7 0.08 21 383 7855 -16.9 -59.9 1 43.0 -21.5 277 58 337.2 337.2 293.6 337.3 0.03 22 350 8526 -20.4 -59.2 2 38.8 -24.4 290 63 341.2 341.2 294.7 341.4 0.04 23 337 8805 -21.9 -58.9 2 37.0 -25.6 288 60 342.9 342.9 295.1 343.1 0.04 24 300 9650 -28.3 -62.3 2 34.0 -30.8 280 49 345.5 345.5 295.7 345.6 0.03 25 250 10930 -37.9 -67.9 3 30.0 -39.2 280 39 349.7 349.7 296.6 349.8 0.02 26 200 12430 -50.1 -72.1 6 22.0 -50.5 265 33 353.4 353.4 297.4 353.5 0.01 27 155 14040 -63.7 -78.7 11 15.0 -63.8 274 28 357.0 357.0 298.1 357.0 0.01 28 150 14240 -65.3 -80.3 11 15.0 -65.4 275 27 357.6 357.6 298.2 357.6 0.00 29 146 14404 -66.5 -82.5 9 16.0 -66.6 275 27 358.3 358.3 298.4 358.3 0.00 30 127 15243 -68.7 -84.7 8 16.0 -68.8 275 27 368.9 368.9 300.4 368.9 0.00 31 103 16470 -77.3 -90.3 11 13.0 -77.3 275 27 375.2 375.2 301.5 375.2 0.00 32 100 16640 -77.3 -90.3 11 13.0 -77.3 275 27 378.4 378.4 302.0 378.4 0.00 TRP WND 350 8526 -20.4 -59.2 2 38.8 -24.4 290 63 341.2 341.2 294.7 341.4 0.04 Sounding variables and indices 1000-500 mb thick: 5760.00 m Freezing level: 585.76 mb = 4567.05 m = 14983.59 ft Wetbulb zero: 648.41 mb = 3740.87 m = 12273.03 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 55.36 % Est. max temperature: 31.30 C = 88.34 F Sfc-Lift cond lev (LCL): 989.97 mb = 148.67 m = 487.76 ft T: 24.00 C 700-500 lapse rate: 5.73 C/km ThetaE index: 15.87 C Layer 925.0- 768.0 mb Conv cond level (CCL): 855.42 mb = 1421.98 m = 4665.22 ft Mean mixing ratio: 15.01 g/kg Conv temperature: 31.29 C = 88.31 F Cap Strength: 2.47 C Lifted Index: -0.92 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.82 C Lifted Index @700 mb: 0.58 C Showalter Index: -0.04 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 21.00 C K Index: 27.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 236.60 Risk: None Energy Index: -2.93 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 275.78 J/kg Max Up Vert Vel: 23.49 m/s Conv Inhibition (B-): 58.09 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 895.13 mb = 1029.14 m = 3376.39 ft Lev Free Conv (LFC): 810.13 mb = 1884.98 m = 6184.24 ft Equ Level (EL): 770.13 mb = 2313.16 m = 7589.00 ft B at Equ Level: 27.45 J/kg Max Parcel Lev (MPL): 270.13 mb = 10386.25 m = 34075.19 ft Wind level data Storm motion: 328 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 1004 25 0 0 -0.0 -0.0 | 148 20 -10.8 17.2 1 1000 60 150 6 -3.0 5.2 | 148 26 -13.8 22.4 2 925 745 145 3 -1.7 2.5 | 148 23 -12.5 19.6 3 850 1477 195 3 0.8 2.9 | 154 22 -10.0 20.1 4 700 3114 300 36 31.2 -18.0 | 272 20 20.4 -0.8 5 500 5820 300 47 40.7 -23.5 | 282 31 29.9 -6.3 6 400 7530 270 55 55.0 -0.0 | 249 47 44.2 17.2 7 350 8526 290 63 59.2 -21.5 | 275 49 48.4 -4.4 8 300 9650 280 49 48.3 -8.5 | 257 38 37.5 8.7 9 250 10930 280 39 38.4 -6.8 | 249 30 27.6 10.4 10 200 12430 265 33 32.9 2.9 | 228 30 22.1 20.1 11 150 14240 275 27 26.9 -2.4 | 227 22 16.1 14.8 12 100 16640 275 27 26.9 -2.4 | 227 22 16.1 14.8 Wind Parameters Mean winds (0-6000m): 297.9 at 27.1 knts Storm direction: 327.9 at 20.3 knts Shear (0-3000m) pos: 5.9 neg: 0.0 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 113.4 deg Storm rel helicity (0-3000m) pos: 300.3 neg: -2.1 tot: 298.3 m^2/s^2 ave: 99.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 8.1 10^-3/s Energy-Hel index: 0.16 Bulk Rich Number: 2.13 Bulk Shear: 129.72 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 ------------------------------------------------------------------------------- 500 149 5 148 25| 4.1 0.0 4.1| 0.9 -1.7 -0.8 -1.6 -0.01| 7.7 -0.1 1000 150 4 148 24| 1.5 0.0 1.5| 7.0 -2.1 4.9 4.9 0.09| 4.8 0.4 1500 158 4 149 24| 1.4 0.0 1.4| 20.3 -2.1 18.3 12.2 0.26| 4.1 1.0 2000 188 5 155 24| 3.6 0.0 3.6| 91.8 -2.1 89.7 44.8 0.59| 6.0 3.5 2500 234 8 168 22| 5.0 0.0 5.0|190.0 -2.1 187.9 75.2 0.75| 7.8 5.8 3000 280 11 182 15| 5.9 0.0 5.9|300.3 -2.1 298.3 99.4 0.83| 9.8 8.1 4000 295 18 209 11| 4.8 0.3 5.1|330.9 -2.1 328.8 82.2 0.81| 8.3 6.8 5000 297 23 235 12| 3.9 0.6 4.5|341.1 -2.1 339.0 67.8 0.79| 7.1 5.6 6000 298 27 251 14| 3.2 0.9 4.1|348.7 -22.6 326.1 54.4 0.70| 6.4 4.5 Wrote GIF file: /home/apache/climate/data/raob//VG883/skewt/VG883.skewt.20250420.00.gif