UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 12 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 110 SFC 959 474 21.0 20.5 97 0.5 20.6 0 0 297.7 300.6 295.3 344.2 16.03 2 925 787 19.2 19.2 100 0.0 19.2 15 1 298.9 301.7 295.1 343.5 15.31 3 850 1518 18.4 16.1 86 2.3 16.8 125 3 305.4 308.0 295.8 346.3 13.67 4 848 1538 18.4 16.1 86 2.3 16.8 126 3 305.6 308.2 295.9 346.7 13.70 5 845 1569 18.6 15.8 84 2.8 16.7 127 3 306.1 308.7 295.9 346.6 13.48 6 700 3161 9.2 7.3 88 1.9 8.0 180 3 312.7 314.4 294.6 341.2 9.21 7 691 3268 8.6 7.1 90 1.5 7.7 182 3 313.2 314.9 294.7 341.7 9.20 8 684 3353 8.6 3.8 72 4.8 5.8 183 3 314.1 315.5 293.6 337.1 7.37 9 628 4057 6.4 -1.6 57 8.0 2.1 195 4 319.3 320.4 293.5 336.8 5.42 10 558 5017 0.2 -3.1 78 3.3 -1.5 210 4 323.0 324.1 294.5 340.8 5.46 11 517 5626 -3.1 -11.1 54 8.0 -6.5 221 5 326.1 326.8 293.5 336.8 3.17 12 500 5890 -4.9 -10.9 63 6.0 -7.5 225 5 327.1 327.7 293.9 338.3 3.33 13 495 5969 -5.7 -10.7 68 5.0 -7.9 219 5 327.0 327.7 294.0 338.6 3.42 14 479 6227 -6.3 -19.3 35 13.0 -10.8 200 5 329.4 329.7 293.2 335.4 1.73 15 433 7012 -9.7 -34.7 11 25.0 -15.4 141 6 334.7 334.8 293.4 336.5 0.46 16 400 7620 -13.7 -33.7 17 20.0 -18.2 95 7 337.2 337.3 294.1 339.3 0.55 17 391 7792 -15.1 -28.1 32 13.0 -18.5 103 7 337.6 337.8 294.6 341.1 0.97 18 361 8389 -18.7 -41.7 11 23.0 -22.5 129 6 340.5 340.6 294.7 341.6 0.27 19 308 9551 -26.7 -46.7 13 20.0 -29.1 181 3 345.1 345.2 295.7 345.9 0.19 20 300 9740 -28.5 -48.5 13 20.0 -30.7 190 3 345.2 345.2 295.7 345.9 0.16 21 250 11020 -39.3 -55.3 17 16.0 -40.3 165 5 347.6 347.7 296.2 348.0 0.08 22 243 11214 -40.9 -51.9 30 11.0 -41.6 171 6 348.1 348.1 296.3 348.6 0.13 23 200 12510 -51.5 -63.5 23 12.0 -51.8 215 9 351.2 351.2 296.9 351.4 0.04 24 193 12740 -53.7 -64.7 25 11.0 -53.9 201 9 351.3 351.3 297.0 351.4 0.03 25 180 13184 -57.5 -71.5 15 14.0 -57.7 175 9 352.2 352.2 297.1 352.2 0.01 26 155 14111 -65.3 -70.0 52 4.7 -65.4 118 9 354.3 354.3 297.5 354.3 0.02 27 150 14310 -67.1 -74.1 36 7.0 -67.1 105 9 354.5 354.5 297.6 354.5 0.01 28 146 14473 -68.1 -77.1 26 9.0 -68.2 104 10 355.5 355.5 297.8 355.5 0.01 29 119 15672 -77.3 -80.7 58 3.4 -77.3 93 14 360.0 360.0 298.7 360.0 0.00 30 102 16548 -80.5 -84.9 48 4.4 -80.5 85 17 370.1 370.1 300.6 370.1 0.00 31 100 16660 -78.9 -84.9 37 6.0 -78.9 95 25 375.3 375.3 301.5 375.3 0.00 TRP 102 16548 -80.5 -84.9 48 4.4 -80.5 85 17 370.1 370.1 300.6 370.1 0.00 WND Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 555.52 mb = 5053.66 m = 16580.04 ft Wetbulb zero: 586.97 mb = 4605.65 m = 15110.20 ft Precipitable water: 1.82 inches Sfc-500 mean rel hum: 77.60 % Est. max temperature: 30.86 C = 87.55 F Sfc-Lift cond lev (LCL): 952.32 mb = 534.67 m = 1754.15 ft T: 20.65 C 700-500 lapse rate: 5.17 C/km ThetaE index: 5.49 C Layer 845.0- 691.0 mb Conv cond level (CCL): 815.83 mb = 1865.85 m = 6121.49 ft Mean mixing ratio: 14.94 g/kg Conv temperature: 30.57 C = 87.02 F Cap Strength: 2.44 C Lifted Index: 0.06 C Risk: Showers probable Lifted Index @300 mb: 2.95 C Lifted Index @700 mb: 0.16 C Showalter Index: -0.58 C Risk: Thunderstorms probable Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 21.00 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 204.20 Risk: None Energy Index: -1.59 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.76 J/kg Max Up Vert Vel: 7.58 m/s Conv Inhibition (B-): 2023.58 J/kg Cap Strength: 2.35 C Lift Cond Lev (LCL): 898.09 mb = 1042.22 m = 3419.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 at 3 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 ---------------------------------------------------------- 0 959 474 0 0 -0.0 -0.0 | 41 3 -1.7 -2.0 1 925 787 15 1 -0.3 -1.0 | 34 4 -2.0 -2.9 2 850 1518 125 3 -2.5 1.7 | 87 4 -4.2 -0.2 3 700 3161 180 3 0.0 3.0 | 122 2 -1.7 1.0 4 500 5890 225 5 3.5 3.5 | 229 2 1.8 1.6 5 400 7620 95 7 -7.0 0.6 | 81 9 -8.7 -1.3 6 300 9740 190 3 0.5 3.0 | 130 2 -1.2 1.0 7 250 11020 165 5 -1.3 4.8 | 134 4 -3.0 2.9 8 200 12510 215 9 5.2 7.4 | 213 6 3.5 5.4 9 150 14310 105 9 -8.7 2.3 | 92 10 -10.4 0.4 10 102 16548 85 17 -16.9 -1.5 | 80 19 -18.6 -3.4 11 100 16660 95 25 -24.9 2.2 | 90 27 -26.6 0.2 Wind Parameters Mean winds (0-6000m): 190.9 at 3.5 knts Storm direction: 220.9 at 2.6 knts Shear (0-3000m) pos: 0.6 neg: 0.0 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 6.3 neg: -0.3 tot: 6.0 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 1.5 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.27 Bulk Shear: 2.34 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 25 1 37 3| 1.6 0.0 1.6| 0.5 -0.3 0.3 0.5 0.10| 1.9 0.2 1000 89 1 58 4| 1.5 0.0 1.5| 4.1 -0.3 3.8 3.8 0.65| 2.6 1.7 1500 117 2 73 4| 1.0 0.0 1.0| 5.1 -0.3 4.8 3.2 0.68| 2.1 1.4 2000 129 2 81 3| 0.8 0.0 0.8| 5.6 -0.3 5.4 2.7 0.68| 1.8 1.2 2500 139 2 88 3| 0.6 0.0 0.6| 6.0 -0.3 5.7 2.3 0.67| 1.6 1.1 3000 148 3 93 3| 0.6 0.0 0.6| 6.3 -0.3 6.0 2.0 0.68| 1.5 1.0 4000 166 3 107 2| 0.5 0.0 0.5| 6.9 -0.3 6.6 1.6 0.72| 1.3 0.9 5000 182 3 126 2| 0.5 0.0 0.5| 7.5 -0.3 7.3 1.5 0.75| 1.2 0.9 6000 191 3 144 2| 0.4 0.3 0.7| 7.9 -3.3 4.6 0.8 0.33| 1.4 0.5 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251012.00.gif