UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 13 OCT 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1010 7 25.4 24.5 95 0.9 24.7 200 1 297.7 301.2 297.5 354.4 19.51 1 1000 97 24.6 24.1 97 0.5 24.3 205 3 297.8 301.2 297.4 353.6 19.23 2 942 623 23.2 20.0 82 3.2 20.9 171 3 301.5 304.4 296.2 348.0 15.82 3 925 782 21.8 20.4 92 1.4 20.8 160 3 301.6 304.6 296.7 350.3 16.53 4 850 1513 17.2 17.1 99 0.1 17.1 95 7 304.2 306.9 296.1 347.6 14.59 5 700 3157 9.6 9.0 96 0.6 9.2 110 5 313.1 315.1 295.6 345.2 10.36 6 576 4758 2.0 0.0 87 2.0 0.9 104 8 322.2 323.5 295.2 343.7 6.66 7 547 5174 -1.1 -1.9 94 0.8 -1.5 103 9 323.3 324.5 295.1 343.1 6.10 8 514 5671 -2.5 -5.8 78 3.3 -4.1 101 11 327.4 328.4 295.1 343.5 4.83 9 500 5890 -4.1 -6.6 83 2.5 -5.3 100 11 328.0 329.0 295.2 343.7 4.67 10 451 6693 -9.9 -9.9 100 0.0 -9.9 105 14 330.6 331.4 295.3 344.2 4.00 11 408 7460 -13.5 -18.5 66 5.0 -15.2 109 16 335.5 336.0 295.1 343.3 2.18 12 400 7610 -14.5 -17.5 78 3.0 -15.6 110 17 336.1 336.6 295.4 344.7 2.42 13 396 7686 -15.1 -16.5 89 1.4 -15.6 109 17 336.3 336.9 295.7 345.7 2.66 14 366 8278 -19.1 -20.1 92 1.0 -19.4 102 15 338.7 339.1 295.8 346.3 2.12 15 354 8525 -20.9 -24.8 71 3.9 -22.0 99 14 339.5 339.8 295.4 344.8 1.45 16 342 8780 -22.5 -24.6 83 2.1 -23.1 96 14 340.7 341.0 295.8 346.3 1.52 17 333 8975 -23.5 -30.5 53 7.0 -25.0 94 13 341.9 342.1 295.6 345.3 0.91 18 326 9130 -24.7 -32.7 47 8.0 -26.3 92 13 342.3 342.5 295.6 345.2 0.75 19 311 9472 -27.5 -31.2 71 3.7 -28.2 88 12 343.1 343.3 295.8 346.5 0.91 20 300 9730 -29.3 -35.3 56 6.0 -30.3 85 11 344.1 344.2 295.8 346.5 0.63 21 250 11000 -39.7 -48.7 38 9.0 -40.4 70 13 347.0 347.1 296.1 347.8 0.18 22 217 11955 -47.3 -59.3 24 12.0 -47.7 64 14 349.6 349.6 296.6 349.9 0.06 23 200 12490 -52.5 -60.5 37 8.0 -52.7 60 15 349.6 349.6 296.6 349.9 0.06 24 178 13231 -59.1 -64.1 52 5.0 -59.2 62 20 350.7 350.7 296.8 350.8 0.04 25 177 13267 -59.7 -65.7 45 6.0 -59.8 62 20 350.2 350.3 296.7 350.4 0.03 26 171 13481 -61.3 -68.3 39 7.0 -61.4 63 22 351.1 351.1 296.9 351.2 0.02 27 154 14122 -67.1 -69.7 69 2.6 -67.1 65 26 351.8 351.8 297.0 351.9 0.02 28 150 14280 -68.3 -72.0 59 3.7 -68.3 65 27 352.4 352.4 297.2 352.5 0.02 29 147 14401 -68.7 -73.7 48 5.0 -68.7 67 27 353.8 353.8 297.4 353.8 0.01 30 132 15040 -73.1 -75.9 65 2.8 -73.1 78 30 357.0 357.0 298.1 357.0 0.01 31 126 15311 -75.1 -78.5 59 3.4 -75.1 82 30 358.2 358.2 298.4 358.2 0.01 32 110 16096 -77.1 -84.1 32 7.0 -77.1 96 33 368.6 368.6 300.3 368.6 0.00 33 100 16640 -80.1 -85.1 43 5.0 -80.1 105 35 373.0 373.0 301.1 373.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5793.00 m Freezing level: 557.29 mb = 5026.50 m = 16490.94 ft Wetbulb zero: 565.28 mb = 4909.40 m = 16106.74 ft Precipitable water: 2.58 inches Sfc-500 mean rel hum: 92.45 % Est. max temperature: 31.53 C = 88.75 F Sfc-Lift cond lev (LCL): 997.34 mb = 120.46 m = 395.19 ft T: 24.54 C 700-500 lapse rate: 5.01 C/km ThetaE index: 7.18 C Layer 850.0- 514.0 mb Conv cond level (CCL): 908.89 mb = 933.92 m = 3064.01 ft Mean mixing ratio: 17.28 g/kg Conv temperature: 29.84 C = 85.72 F Cap Strength: 1.37 C Lifted Index: -1.42 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.37 C Lifted Index @700 mb: -1.20 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 42.50 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.20 C K Index: 37.80 Risk: > 80 % chance of thunderstorms Sweat Index: 230.20 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 584.58 J/kg Max Up Vert Vel: 34.19 m/s Conv Inhibition (B-): 12.03 J/kg Cap Strength: 1.37 C Lift Cond Lev (LCL): 936.14 mb = 677.22 m = 2221.83 ft Lev Free Conv (LFC): 881.14 mb = 1201.95 m = 3943.36 ft Equ Level (EL): 171.14 mb = 13476.17 m = 44212.62 ft B at Equ Level: 582.06 J/kg Wind level data Storm motion: 136 at 5 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 1010 7 200 1 0.3 0.9 | 305 5 3.7 -2.6 1 1000 97 205 3 1.3 2.7 | 280 5 4.6 -0.8 2 925 782 160 3 -1.0 2.8 | 287 2 2.4 -0.7 3 850 1513 95 7 -7.0 0.6 | 51 5 -3.6 -2.9 4 700 3157 110 5 -4.7 1.7 | 36 2 -1.3 -1.8 5 500 5890 100 11 -10.8 1.9 | 78 8 -7.5 -1.6 6 400 7610 110 17 -16.0 5.8 | 100 13 -12.6 2.3 7 300 9730 85 11 -11.0 -1.0 | 59 9 -7.6 -4.5 8 250 11000 70 13 -12.2 -4.4 | 48 12 -8.8 -8.0 9 200 12490 60 15 -13.0 -7.5 | 41 15 -9.6 -11.1 10 150 14280 65 27 -24.5 -11.4 | 55 26 -21.1 -15.0 11 100 16640 105 35 -33.8 9.1 | 100 31 -30.4 5.5 Wind Parameters Mean winds (0-6000m): 106.4 at 6.5 knts Storm direction: 136.4 at 4.9 knts Shear (0-3000m) pos: 0.4 neg: 1.2 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 93.9 deg Storm rel helicity (0-3000m) pos: 0.5 neg: -3.5 tot: -3.0 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: -0.09 Storm rel vorticity (0-3000m) horiz: 2.3 stream: -0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 90.92 Bulk Shear: 6.43 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 ------------------------------------------------------------------------------- 500 193 3 281 4| 0.0 2.2 2.2| 0.0 -2.5 -2.5 -4.9 -0.61| 3.5 -2.1 1000 175 3 279 3| 0.0 2.0 2.0| 0.3 -2.5 -2.2 -2.2 -0.26| 3.1 -0.8 1500 140 4 302 1| 0.0 2.5 2.5| 0.5 -3.0 -2.4 -1.6 -0.05| 3.9 -0.2 2000 122 5 25 1| 0.2 1.9 2.1| 0.5 -3.1 -2.6 -1.3 -0.06| 3.1 -0.2 2500 116 5 36 2| 0.3 1.5 1.8| 0.5 -3.3 -2.7 -1.1 -0.07| 2.6 -0.2 3000 113 5 38 2| 0.4 1.2 1.6| 0.5 -3.5 -3.0 -1.0 -0.09| 2.3 -0.2 4000 111 5 42 2| 0.2 1.1 1.3| 1.5 -3.6 -2.1 -0.5 -0.00| 2.0 -0.0 5000 109 6 51 3| 0.2 1.1 1.3| 2.5 -3.6 -1.1 -0.2 0.05| 1.8 0.1 6000 106 7 59 3| 0.2 1.1 1.3| 3.6 -3.6 -0.0 -0.0 0.07| 1.7 0.1 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251013.00.gif