UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 21 APR 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 26.6 23.2 82 3.4 24.2 90 3 298.9 302.2 297.0 351.4 18.00 1 1000 92 26.0 23.1 84 2.9 23.9 90 5 299.1 302.4 297.1 351.9 18.07 2 960 452 24.6 21.3 82 3.3 22.2 119 6 301.2 304.3 296.8 350.8 16.84 3 926 771 27.2 15.2 48 12.0 19.0 144 7 307.0 309.2 295.0 342.6 11.81 4 925 781 27.2 15.2 48 12.0 19.0 145 7 307.1 309.3 295.0 342.8 11.82 5 906 965 25.8 12.8 44 13.0 17.2 114 7 307.5 309.4 294.0 338.7 10.30 6 872 1300 23.0 19.1 79 3.9 20.2 58 6 308.0 311.0 298.1 356.9 16.16 7 850 1523 21.6 17.4 77 4.2 18.7 20 5 308.8 311.6 297.5 353.9 14.87 8 825 1781 20.2 14.2 68 6.0 16.1 45 5 309.9 312.3 296.1 347.9 12.44 9 803 2014 19.8 -2.2 23 22.0 8.2 68 5 311.9 312.7 290.2 324.7 4.05 10 778 2285 17.8 -9.2 15 27.0 5.4 95 5 312.6 313.1 288.9 320.5 2.45 11 746 2643 15.6 -0.4 33 16.0 6.9 131 5 314.0 314.9 291.6 329.8 4.98 12 700 3180 12.2 -7.8 24 20.0 2.8 185 5 316.0 316.6 290.5 325.9 3.03 13 696 3228 11.8 -9.2 22 21.0 2.2 185 5 316.1 316.6 290.3 325.0 2.73 14 679 3434 9.8 5.0 72 4.8 6.9 183 5 316.1 317.6 294.7 341.5 8.09 15 674 3495 10.2 0.2 50 10.0 4.7 183 5 317.2 318.3 293.2 335.6 5.77 16 654 3744 9.0 -6.0 34 15.0 1.7 181 5 318.6 319.3 291.9 330.7 3.73 17 648 3820 8.0 0.0 57 8.0 3.6 180 5 318.3 319.4 293.6 337.2 5.91 18 634 4000 7.8 -18.2 14 26.0 -2.0 179 6 320.1 320.3 290.3 325.0 1.44 19 585 4656 2.6 -7.4 48 10.0 -2.1 174 6 321.4 322.2 292.7 333.8 3.75 20 559 5022 0.6 -28.4 9 29.0 -7.7 172 6 323.3 323.4 290.5 325.7 0.66 21 540 5299 -0.7 -16.7 29 16.0 -6.8 170 7 325.0 325.3 292.2 331.5 1.92 22 510 5753 -2.5 -27.5 13 25.0 -9.8 166 7 328.1 328.3 292.0 331.0 0.78 23 500 5910 -3.7 -19.7 28 16.0 -9.3 165 7 328.5 328.8 292.9 334.2 1.60 24 489 6085 -5.1 -17.1 38 12.0 -9.5 163 7 328.9 329.3 293.3 336.0 2.05 25 467 6445 -7.7 -23.7 26 16.0 -12.6 159 8 330.0 330.3 292.9 334.4 1.21 26 431 7067 -9.7 -49.7 2 40.0 -16.2 152 10 335.1 335.2 293.2 335.5 0.09 27 401 7621 -13.1 -42.1 7 29.0 -18.4 145 11 337.7 337.8 294.0 338.7 0.24 28 400 7640 -13.3 -39.3 9 26.0 -18.4 145 11 337.7 337.8 294.0 338.9 0.32 29 300 9770 -28.7 -52.7 8 24.0 -31.0 250 3 344.9 345.0 295.6 345.3 0.10 30 264 10666 -34.9 -58.9 7 24.0 -36.4 197 2 348.7 348.7 296.4 348.9 0.05 31 250 11040 -38.7 -60.7 8 22.0 -39.8 175 1 348.5 348.5 296.4 348.7 0.04 32 222 11844 -45.9 -62.9 13 17.0 -46.5 258 5 349.5 349.5 296.5 349.7 0.04 33 209 12242 -49.3 -54.3 56 5.0 -49.5 299 7 350.3 350.3 296.8 350.7 0.11 34 200 12530 -50.9 -55.9 55 5.0 -51.1 330 9 352.2 352.2 297.2 352.6 0.10 35 196 12662 -52.1 -56.9 56 4.8 -52.2 332 9 352.3 352.3 297.2 352.7 0.09 36 174 13423 -59.3 -64.0 54 4.7 -59.4 342 8 352.6 352.6 297.3 352.8 0.04 37 150 14340 -66.5 -71.2 52 4.7 -66.5 355 7 355.5 355.5 297.8 355.6 0.02 38 143 14627 -68.3 -71.9 60 3.6 -68.3 8 9 357.3 357.3 298.2 357.4 0.02 39 125 15420 -74.7 -78.5 55 3.8 -74.7 44 16 359.7 359.7 298.7 359.7 0.01 40 105 16422 -78.1 -86.1 26 8.0 -78.1 92 25 371.6 371.6 300.8 371.6 0.00 41 100 16700 -78.9 -85.9 31 7.0 -78.9 105 27 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5818.00 m Freezing level: 550.23 mb = 5149.71 m = 16895.16 ft Wetbulb zero: 639.05 mb = 3934.86 m = 12909.48 ft Precipitable water: 1.57 inches Sfc-500 mean rel hum: 41.16 % Est. max temperature: 36.14 C = 97.05 F Sfc-Lift cond lev (LCL): 961.72 mb = 436.67 m = 1432.63 ft T: 24.66 C 700-500 lapse rate: 5.82 C/km ThetaE index: 36.33 C Layer 850.0- 746.0 mb Conv cond level (CCL): 751.88 mb = 2576.33 m = 8452.42 ft Mean mixing ratio: 15.39 g/kg Conv temperature: 41.48 C = 106.66 F Cap Strength: 5.07 C Lifted Index: -0.09 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.64 C Lifted Index @700 mb: 2.10 C Showalter Index: -2.08 C Risk: Severe thunderstorms possible Total Totals Index: 46.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 21.10 C K Index: 22.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 225.80 Risk: None Energy Index: -3.80 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 73.19 J/kg Max Up Vert Vel: 12.10 m/s Conv Inhibition (B-): 379.69 J/kg Cap Strength: 5.07 C Lift Cond Lev (LCL): 878.88 mb = 1231.30 m = 4039.64 ft Lev Free Conv (LFC): 593.88 mb = 4533.27 m = 14872.74 ft Equ Level (EL): 513.88 mb = 5693.04 m = 18677.73 ft B at Equ Level: 52.45 J/kg Max Parcel Lev (MPL): 283.88 mb = 10157.02 m = 33323.16 ft Wind level data Storm motion: 187 at 4 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 90 3 -3.0 0.0 | 39 6 -3.5 -4.3 1 1000 92 90 5 -5.0 0.0 | 52 7 -5.5 -4.3 2 925 781 145 7 -4.0 5.7 | 108 5 -4.5 1.5 3 850 1523 20 5 -1.7 -4.7 | 14 9 -2.2 -9.0 4 700 3180 185 5 0.4 5.0 | 175 1 -0.1 0.7 5 500 5910 165 7 -1.8 6.8 | 137 3 -2.3 2.5 6 400 7640 145 11 -6.3 9.0 | 125 8 -6.8 4.8 7 300 9770 250 3 2.8 1.0 | 324 4 2.3 -3.2 8 250 11040 175 1 -0.1 1.0 | 10 3 -0.6 -3.3 9 200 12530 330 9 4.5 -7.8 | 342 13 4.0 -12.1 10 150 14340 355 7 0.6 -7.0 | 359 11 0.1 -11.2 11 100 16700 105 27 -26.1 7.0 | 96 27 -26.6 2.7 Wind Parameters Mean winds (0-6000m): 156.7 at 5.7 knts Storm direction: 186.7 at 4.3 knts Shear (0-3000m) pos: 2.2 neg: 1.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 27.4 neg: -23.5 tot: 3.9 m^2/s^2 ave: 1.3 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 0.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 24.51 Bulk Shear: 2.99 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 ------------------------------------------------------------------------------- 500 106 5 63 6| 4.2 0.0 4.2| 7.7 0.0 7.7 15.3 0.86| 5.6 4.8 1000 122 6 79 6| 2.1 0.9 3.0| 10.5 -5.3 5.1 5.1 0.28| 5.9 1.6 1500 113 6 72 6| 1.4 3.0 4.4| 10.5 -23.5 -13.0 -8.7 -0.25| 6.9 -1.7 2000 97 6 60 7| 2.0 2.2 4.3| 19.1 -23.5 -4.4 -2.2 -0.05| 6.2 -0.3 2500 98 6 60 7| 2.3 1.8 4.1| 25.1 -23.5 1.7 0.7 0.08| 5.8 0.5 3000 108 5 66 6| 2.2 1.5 3.7| 27.4 -23.5 3.9 1.3 0.14| 5.6 0.8 4000 136 5 85 4| 1.7 1.1 2.8| 27.7 -23.6 4.1 1.0 0.16| 4.5 0.7 5000 151 6 101 3| 1.4 0.8 2.1| 27.7 -23.8 3.9 0.8 0.14| 3.7 0.5 6000 157 6 110 3| 1.1 0.6 1.7| 27.7 -24.1 3.6 0.6 0.13| 3.2 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250421.12.gif