UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 11 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 116 SFC 960 469 20.2 19.9 98 0.3 20.0 0 0 296.8 299.6 294.6 341.3 15.41 2 925 790 18.6 18.6 100 0.0 18.6 45 1 298.3 301.0 294.6 341.1 14.74 3 914 893 18.0 18.0 100 0.0 18.0 61 1 298.7 301.3 294.4 340.5 14.35 4 908 950 19.4 18.2 93 1.2 18.6 69 1 300.7 303.4 295.2 343.7 14.64 5 885 1172 19.4 17.2 87 2.2 17.9 103 2 303.0 305.6 295.4 344.7 14.09 6 850 1521 18.2 15.2 83 3.0 16.2 155 3 305.2 307.6 295.2 343.7 12.89 7 813 1901 15.8 12.4 80 3.4 13.6 145 3 306.6 308.7 294.4 340.3 11.20 8 734 2764 12.6 -4.4 30 17.0 4.2 121 5 312.2 312.9 290.0 324.1 3.76 9 705 3102 10.2 -0.8 46 11.0 4.4 112 5 313.1 314.1 291.5 329.3 5.12 10 700 3161 10.4 -5.6 32 16.0 2.7 110 5 314.0 314.7 290.4 325.5 3.60 11 663 3611 9.0 -12.0 21 21.0 0.0 109 7 317.3 317.8 290.3 324.9 2.30 12 657 3686 9.0 -10.0 25 19.0 0.5 109 7 318.2 318.7 290.9 327.1 2.72 13 598 4456 3.2 -10.8 35 14.0 -2.9 108 10 320.1 320.7 291.6 329.4 2.80 14 564 4928 1.6 -23.4 14 25.0 -6.5 107 11 323.6 323.8 290.9 327.3 1.03 15 560 4985 1.0 -13.0 34 14.0 -4.8 107 12 323.6 324.1 292.3 332.1 2.51 16 551 5115 0.4 -12.6 37 13.0 -5.1 106 12 324.4 324.9 292.6 333.3 2.63 17 541 5262 0.0 -25.0 13 25.0 -7.8 106 13 325.6 325.8 291.4 328.9 0.93 18 509 5748 -1.7 -34.7 6 33.0 -10.0 105 14 329.3 329.4 291.9 330.8 0.39 19 508 5764 -1.7 -34.7 6 33.0 -10.0 105 15 329.5 329.5 292.0 331.0 0.40 20 500 5890 -2.5 -31.5 9 29.0 -10.3 105 15 330.0 330.1 292.3 332.0 0.55 21 468 6411 -6.1 -42.1 4 36.0 -13.3 114 14 331.8 331.9 292.4 332.6 0.20 22 400 7620 -14.5 -25.5 39 11.0 -17.6 135 11 336.1 336.4 294.4 340.5 1.20 23 346 8700 -22.7 -32.7 40 10.0 -24.7 138 8 339.3 339.4 294.8 341.9 0.71 24 300 9730 -30.1 -43.1 27 13.0 -31.7 140 5 343.0 343.0 295.3 344.1 0.28 25 270 10476 -34.9 -55.9 10 21.0 -36.4 180 10 346.5 346.5 295.9 346.8 0.07 26 250 11010 -39.9 -58.9 11 19.0 -40.9 210 13 346.7 346.8 296.0 347.0 0.05 27 202 12426 -51.7 -66.7 15 15.0 -52.0 205 17 349.9 349.9 296.6 350.0 0.02 28 200 12490 -52.1 -70.1 10 18.0 -52.5 205 17 350.3 350.3 296.7 350.3 0.02 29 171 13484 -59.9 -70.9 22 11.0 -60.0 227 9 353.4 353.4 297.4 353.5 0.02 30 162 13820 -62.5 -80.5 7 18.0 -62.6 234 7 354.5 354.5 297.6 354.5 0.00 31 150 14290 -65.7 -82.7 8 17.0 -65.8 245 3 356.9 356.9 298.1 356.9 0.00 32 133 15012 -71.9 -83.9 15 12.0 -71.9 206 7 358.4 358.4 298.4 358.4 0.00 33 113 15961 -77.5 -83.5 37 6.0 -77.5 154 11 365.0 365.0 299.7 365.0 0.00 34 100 16660 -79.3 -85.3 37 6.0 -79.3 115 15 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 541.00 mb = 5262.02 m = 17263.65 ft Wetbulb zero: 648.37 mb = 3794.22 m = 12448.09 ft Precipitable water: 1.32 inches Sfc-500 mean rel hum: 46.22 % Est. max temperature: 30.07 C = 86.12 F Sfc-Lift cond lev (LCL): 956.10 mb = 504.59 m = 1655.47 ft T: 20.02 C 700-500 lapse rate: 4.73 C/km ThetaE index: 20.60 C Layer 850.0- 705.0 mb Conv cond level (CCL): 917.09 mb = 864.08 m = 2834.89 ft Mean mixing ratio: 14.45 g/kg Conv temperature: 22.01 C = 71.62 F Cap Strength: 3.23 C Lifted Index: 3.16 C Risk: None Lifted Index @300 mb: 2.34 C Lifted Index @700 mb: 1.88 C Showalter Index: 2.81 C Risk: Showers probable Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 17.70 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 203.40 Risk: None Energy Index: -2.18 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 37.73 J/kg Max Up Vert Vel: 8.69 m/s Conv Inhibition (B-): 2718.68 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 894.06 mb = 1084.14 m = 3556.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 140 at 6 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 ---------------------------------------------------------- 0 960 469 0 0 -0.0 -0.0 | 320 6 3.5 -4.2 1 925 790 45 1 -0.7 -0.7 | 330 6 2.8 -5.0 2 850 1521 155 3 -1.3 2.7 | 304 3 2.3 -1.5 3 700 3161 110 5 -4.7 1.7 | 24 3 -1.2 -2.5 4 500 5890 105 15 -14.5 3.9 | 88 11 -10.9 -0.4 5 400 7620 135 11 -7.8 7.8 | 130 6 -4.2 3.5 6 300 9730 140 5 -3.2 3.8 | 322 1 0.3 -0.4 7 250 11010 210 13 6.5 11.3 | 235 12 10.0 7.0 8 200 12490 205 17 7.2 15.4 | 224 15 10.7 11.2 9 150 14290 245 3 2.7 1.3 | 295 7 6.3 -3.0 10 100 16660 115 15 -13.6 6.3 | 102 10 -10.1 2.1 Wind Parameters Mean winds (0-6000m): 110.2 at 7.4 knts Storm direction: 140.2 at 5.5 knts Shear (0-3000m) pos: 0.5 neg: 0.7 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 85.2 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -1.4 tot: 3.4 m^2/s^2 ave: 1.1 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 5.86 Bulk Shear: 6.44 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 54 1 328 6| 1.5 0.0 1.5| 2.3 0.0 2.3 4.6 0.83| 1.9 1.6 1000 118 1 328 4| 1.5 0.0 1.5| 2.5 -1.1 1.4 1.4 0.07| 2.6 0.2 1500 139 2 321 3| 1.0 0.3 1.2| 2.8 -1.4 1.4 0.9 0.07| 2.1 0.1 2000 137 2 323 3| 0.7 0.4 1.2| 3.3 -1.4 1.9 0.9 0.20| 1.9 0.4 2500 130 3 331 3| 0.6 0.6 1.2| 3.7 -1.4 2.4 0.9 0.28| 1.8 0.5 3000 124 3 342 3| 0.5 0.7 1.2| 4.7 -1.4 3.4 1.1 0.37| 1.7 0.6 4000 116 4 11 2| 0.4 1.0 1.4| 7.3 -1.4 5.9 1.5 0.44| 1.8 0.8 5000 112 6 44 3| 0.3 1.2 1.5| 9.6 -1.4 8.2 1.6 0.41| 1.8 0.7 6000 110 7 63 4| 0.4 1.0 1.4| 15.7 -1.4 14.4 2.4 0.44| 1.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251011.00.gif