UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110400.upa.cvt Date: 0000Z 4 NOV 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 4 NOV 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1016 7 20.2 18.2 88 2.0 18.9 45 3 292.0 294.3 291.4 329.0 13.05 1 1000 143 18.8 17.0 89 1.8 17.6 30 35 292.0 294.1 290.7 326.7 12.28 2 925 809 14.8 14.8 100 0.0 14.8 50 29 294.4 296.5 291.0 327.4 11.52 3 911 939 14.2 14.2 100 0.0 14.2 64 26 295.1 297.1 291.0 327.4 11.24 4 892 1118 14.6 14.6 100 0.0 14.6 82 21 297.3 299.4 292.1 331.5 11.79 5 869 1341 17.4 17.0 97 0.4 17.1 105 16 302.5 305.1 295.4 344.3 14.17 6 850 1530 16.8 16.4 97 0.4 16.5 125 11 303.7 306.3 295.6 345.2 13.94 7 833 1703 16.0 15.8 99 0.2 15.9 129 11 304.7 307.2 295.6 345.5 13.68 8 746 2638 13.0 9.9 81 3.1 11.0 152 10 311.2 313.1 295.0 342.9 10.33 9 700 3172 9.8 8.5 92 1.3 9.0 165 9 313.3 315.2 295.4 344.3 10.01 10 538 5317 -2.1 -2.1 100 0.0 -2.1 153 4 323.6 324.8 295.1 343.5 6.11 11 510 5743 -2.5 -5.3 81 2.8 -3.9 151 3 328.1 329.1 295.5 345.0 5.06 12 500 5900 -3.9 -5.8 87 1.9 -4.8 150 3 328.3 329.3 295.5 344.9 4.97 13 458 6588 -8.1 -11.8 75 3.7 -9.6 178 4 331.4 332.1 295.0 343.0 3.38 14 425 7165 -13.1 -13.5 97 0.4 -13.3 201 4 332.2 332.8 295.1 343.1 3.18 15 419 7274 -11.3 -17.3 61 6.0 -13.5 205 5 335.8 336.3 295.3 344.1 2.35 16 403 7573 -12.3 -25.3 33 13.0 -16.1 218 5 338.3 338.5 295.0 342.7 1.21 17 400 7630 -12.7 -26.7 30 14.0 -16.6 220 5 338.5 338.7 294.9 342.5 1.08 18 376 8098 -17.1 -26.1 46 9.0 -19.6 338.7 339.0 295.1 343.2 1.21 TRP WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 566.59 mb = 4938.61 m = 16202.58 ft Wetbulb zero: 568.57 mb = 4866.80 m = 15967.00 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 93.50 % Est. max temperature: 30.88 C = 87.59 F Sfc-Lift cond lev (LCL): 986.79 mb = 256.59 m = 841.82 ft T: 18.12 C 700-500 lapse rate: 5.02 C/km ThetaE index: 2.62 C Layer 746.0- 700.0 mb Conv cond level (CCL): 940.82 mb = 664.13 m = 2178.88 ft Mean mixing ratio: 11.97 g/kg Conv temperature: 22.09 C = 71.76 F Cap Strength: 9.08 C Lifted Index: 8.68 C Risk: None Lifted Index @700 mb: 6.50 C Showalter Index: 0.83 C Risk: Thunderstorms probable Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 20.30 C K Index: 35.80 Risk: > 80 % chance of thunderstorms Sweat Index: 221.80 Risk: None Energy Index: -0.15 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.11 J/kg Max Up Vert Vel: 4.71 m/s Conv Inhibition (B-): 1843.49 J/kg Cap Strength: 8.93 C Lift Cond Lev (LCL): 951.51 mb = 567.58 m = 1862.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 128 at 9 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 1016 7 45 3 -2.1 -2.1 | 328 9 4.8 -7.6 1 1000 143 30 35 -17.5 -30.3 | 16 37 -10.6 -35.8 2 925 809 50 29 -22.2 -18.6 | 32 29 -15.3 -24.1 3 850 1530 125 11 -9.0 6.3 | 112 2 -2.1 0.8 4 700 3172 165 9 -2.3 8.7 | 235 6 4.6 3.2 5 500 5900 150 3 -1.5 2.6 | 298 6 5.4 -2.9 6 400 7630 220 5 3.2 3.8 | 279 10 10.1 -1.6 Wind Parameters Mean winds (0-6000m): 98.4 at 11.8 knts Storm direction: 128.4 at 8.8 knts Shear (0-3000m) pos: 6.4 neg: 4.9 tot: 11.3 10-3/s Storm rel Dir Shear (0-3000m): -97.2 deg Storm rel helicity (0-3000m) pos: 216.3 neg: 0.0 tot: 216.3 m^2/s^2 ave: 72.1 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 14.3 stream: 8.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.12 Bulk Shear: 92.44 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 34 29 18 31| 0.0 29.6 29.6| 99.8 0.0 99.8 199.7 0.55| 40.2 21.9 1000 42 29 25 30| 8.3 14.8 23.1|178.5 0.0 178.5 178.5 0.59| 28.4 16.7 1500 48 25 28 25| 11.0 9.9 20.9|212.2 0.0 212.2 141.5 0.56| 26.0 14.6 2000 56 22 32 21| 8.8 7.4 16.2|213.6 0.0 213.6 106.8 0.57| 20.3 11.6 2500 64 20 37 18| 7.4 5.9 13.3|214.8 0.0 214.8 85.9 0.58| 16.7 9.6 3000 71 18 41 15| 6.4 4.9 11.3|216.3 0.0 216.3 72.1 0.58| 14.3 8.3 4000 83 15 49 11| 4.7 3.8 8.5|219.2 0.0 219.2 54.8 0.59| 11.0 6.5 5000 92 14 53 8| 3.8 3.2 7.0|221.9 0.0 221.9 44.4 0.60| 9.1 5.4 6000 98 12 51 6| 3.1 2.7 5.9|224.1 -0.4 223.7 37.3 0.60| 7.7 4.6 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251104.00.gif