UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025103000.upa.cvt Date: 0000Z 30 OCT 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 30 OCT 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 1015 4 23.6 22.8 95 0.8 23.0 55 5 295.5 298.6 295.7 345.7 17.47 1 1000 133 22.6 22.2 98 0.4 22.3 40 21 295.8 298.8 295.5 344.9 17.09 2 948 598 20.6 20.5 99 0.1 20.5 81 25 298.3 301.2 295.6 345.4 16.22 3 925 812 21.4 19.7 90 1.7 20.2 100 27 301.2 304.1 296.1 347.7 15.81 4 923 831 21.6 19.7 89 1.9 20.3 101 27 301.6 304.5 296.3 348.3 15.84 5 850 1544 17.8 17.0 95 0.8 17.2 150 9 304.8 307.5 296.2 348.0 14.49 6 812 1935 15.4 15.4 100 0.0 15.4 155 10 306.3 308.8 296.0 347.3 13.68 7 762 2474 12.6 12.3 98 0.3 12.4 161 11 308.8 311.1 295.5 344.9 11.88 8 700 3186 10.0 8.3 89 1.7 8.9 170 13 313.6 315.4 295.3 344.2 9.87 9 674 3500 8.8 6.4 85 2.4 7.3 166 13 315.6 317.4 295.2 343.8 8.99 10 599 4466 2.4 2.3 99 0.1 2.4 154 12 319.0 320.5 295.1 343.2 7.57 11 500 5910 -4.3 -4.7 97 0.4 -4.5 135 11 327.8 328.9 295.7 345.8 5.41 12 439 6932 -9.5 -10.8 90 1.3 -10.1 97 8 333.6 334.4 295.9 346.8 3.83 13 437 6968 -9.5 -10.9 90 1.4 -10.1 96 7 334.1 334.9 296.0 347.2 3.81 14 400 7650 -13.7 -14.7 92 1.0 -14.1 70 5 337.2 337.8 296.2 347.9 3.06 15 379 8057 -16.3 -18.2 85 1.9 -17.0 77 5 339.0 339.5 296.1 347.6 2.41 16 358 8482 -19.1 -19.7 95 0.6 -19.3 83 5 340.8 341.3 296.4 348.9 2.24 17 330 9081 -23.7 -27.0 74 3.3 -24.5 93 5 342.5 342.8 296.0 347.3 1.27 18 318 9350 -25.1 -27.6 80 2.5 -25.7 98 5 344.2 344.5 296.4 348.9 1.25 19 300 9770 -28.5 -30.0 87 1.5 -28.8 105 5 345.2 345.4 296.4 349.2 1.06 20 285 10136 -31.3 -32.3 91 1.0 -31.5 84 5 346.3 346.5 296.5 349.7 0.89 21 266 10621 -35.3 -42.3 49 7.0 -36.1 56 5 347.4 347.4 296.4 348.8 0.35 22 258 10833 -36.9 -41.5 62 4.6 -37.4 43 5 348.1 348.1 296.5 349.6 0.39 23 250 11050 -38.9 -42.9 66 4.0 -39.3 30 5 348.2 348.3 296.5 349.6 0.35 24 245 11189 -40.1 -43.9 67 3.8 -40.5 46 5 348.5 348.5 296.5 349.7 0.32 25 217 12005 -47.3 -59.3 24 12.0 -47.7 141 4 349.6 349.6 296.6 349.9 0.06 26 200 12540 -52.3 -57.0 57 4.7 -52.5 205 3 349.9 350.0 296.7 350.3 0.09 27 189 12902 -55.7 -59.0 66 3.3 -55.8 228 5 350.2 350.2 296.7 350.5 0.07 28 154 14172 -66.7 -69.6 67 2.9 -66.7 309 14 352.5 352.5 297.2 352.6 0.02 29 150 14330 -67.7 -71.0 63 3.3 -67.7 320 15 353.5 353.5 297.4 353.5 0.02 30 132 15088 -73.3 -79.3 39 6.0 -73.3 270 14 356.6 356.6 298.0 356.7 0.01 31 100 16670 -83.9 -87.4 54 3.5 -83.9 160 11 365.6 365.6 299.8 365.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 563.54 mb = 4983.31 m = 16349.24 ft Wetbulb zero: 564.87 mb = 4935.01 m = 16190.79 ft Precipitable water: 2.62 inches Sfc-500 mean rel hum: 95.17 % Est. max temperature: 32.26 C = 90.07 F Sfc-Lift cond lev (LCL): 1003.64 mb = 101.49 m = 332.97 ft T: 22.84 C 700-500 lapse rate: 5.25 C/km ThetaE index: 5.12 C Layer 850.0- 500.0 mb Conv cond level (CCL): 956.94 mb = 516.65 m = 1695.03 ft Mean mixing ratio: 16.50 g/kg Conv temperature: 25.95 C = 78.70 F Cap Strength: 1.89 C Lifted Index: 0.13 C Risk: Showers probable Lifted Index @300 mb: 2.12 C Lifted Index @700 mb: 0.55 C Showalter Index: -0.63 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.30 C K Index: 37.40 Risk: > 80 % chance of thunderstorms Sweat Index: 233.00 Risk: None Energy Index: -0.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.34 J/kg Max Up Vert Vel: 10.33 m/s Conv Inhibition (B-): 53.44 J/kg Cap Strength: 1.82 C Lift Cond Lev (LCL): 955.68 mb = 528.08 m = 1732.53 ft Lev Free Conv (LFC): 760.68 mb = 2488.38 m = 8163.88 ft Equ Level (EL): 750.68 mb = 2599.42 m = 8528.18 ft B at Equ Level: 24.79 J/kg Max Parcel Lev (MPL): 420.68 mb = 7261.17 m = 23822.44 ft Wind level data Storm motion: 165 at 10 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 1015 4 55 5 -4.1 -2.9 | 7 13 -1.5 -12.8 1 1000 133 40 21 -13.5 -16.1 | 23 28 -10.9 -26.1 2 925 812 100 27 -26.6 4.7 | 78 25 -24.0 -5.3 3 850 1544 150 9 -4.5 7.8 | 41 3 -1.9 -2.2 4 700 3186 170 13 -2.3 12.8 | 187 3 0.4 2.8 5 500 5910 135 11 -7.8 7.8 | 67 6 -5.2 -2.2 6 400 7650 70 5 -4.7 -1.7 | 10 12 -2.1 -11.7 7 300 9770 105 5 -4.8 1.3 | 14 9 -2.2 -8.7 8 250 11050 30 5 -2.5 -4.3 | 360 14 0.1 -14.3 9 200 12540 205 3 1.3 2.7 | 332 8 3.9 -7.2 10 150 14330 320 15 9.6 -11.5 | 330 25 12.3 -21.5 11 100 16670 160 11 -3.8 10.3 | 108 1 -1.1 0.4 Wind Parameters Mean winds (0-6000m): 135.2 at 13.7 knts Storm direction: 165.2 at 10.3 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 172.6 deg Storm rel helicity (0-3000m) pos: 226.4 neg: -3.9 tot: 222.6 m^2/s^2 ave: 74.2 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 6.1 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 0.81 Bulk Shear: 66.03 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 55 20 33 26| 20.1 0.0 20.1|118.0 0.0 118.0 235.9 0.66| 28.7 18.9 1000 79 23 54 24| 10.3 0.0 10.3|218.6 0.0 218.6 218.6 0.71| 24.5 17.4 1500 89 21 60 21| 3.9 0.0 3.9|224.8 -3.2 221.7 147.8 0.52| 21.7 11.2 2000 97 18 62 17| 3.1 0.0 3.1|225.3 -3.9 221.4 110.7 0.50| 16.9 8.4 2500 105 16 67 14| 2.8 0.0 2.8|225.8 -3.9 222.0 88.8 0.51| 13.9 7.0 3000 115 16 73 12| 2.6 0.0 2.6|226.4 -3.9 222.6 74.2 0.51| 11.8 6.1 4000 127 15 84 9| 2.0 0.2 2.2|226.6 -5.3 221.3 55.3 0.47| 9.3 4.3 5000 133 14 89 8| 1.6 0.5 2.0|226.6 -7.2 219.5 43.9 0.42| 7.7 3.2 6000 135 14 88 7| 1.3 0.6 1.9|226.6 -9.9 216.7 36.1 0.37| 6.7 2.5 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251030.00.gif