UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 27 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 1009 7 27.6 24.1 81 3.5 25.0 145 1 300.0 303.5 297.9 355.9 19.05 1 1000 88 27.0 24.0 84 3.0 24.8 145 3 300.1 303.6 298.0 356.3 19.11 2 975 312 24.8 23.3 91 1.5 23.7 148 4 300.1 303.5 297.7 355.2 18.78 3 936 672 24.2 19.2 74 5.0 20.6 153 5 303.0 305.8 296.1 347.9 15.13 4 925 776 23.6 19.2 76 4.4 20.5 155 5 303.4 306.3 296.4 348.9 15.31 5 901 1005 21.6 19.8 90 1.8 20.4 211 5 303.7 306.7 297.1 352.3 16.34 6 890 1113 23.4 14.4 57 9.0 17.4 237 5 306.6 308.8 294.7 341.7 11.67 7 871 1301 21.8 18.7 83 3.1 19.6 283 5 306.8 309.8 297.5 354.3 15.77 8 854 1472 20.8 17.3 80 3.5 18.4 325 5 307.5 310.3 297.0 351.9 14.71 9 850 1513 21.2 12.2 56 9.0 15.3 335 5 308.4 310.3 294.4 340.4 10.56 10 849 1523 21.8 10.8 50 11.0 14.7 335 5 309.1 310.9 293.9 338.4 9.62 11 815 1876 19.0 12.0 64 7.0 14.4 347 5 309.8 311.8 295.0 342.9 10.88 12 779 2263 17.4 -0.6 29 18.0 7.7 360 5 312.1 313.0 290.8 326.9 4.70 13 723 2897 14.0 -2.0 33 16.0 5.5 21 5 315.1 315.9 291.6 329.6 4.57 14 700 3169 11.8 -1.2 40 13.0 4.8 30 5 315.6 316.5 292.1 331.5 5.01 15 679 3423 9.6 0.6 53 9.0 4.6 38 6 315.9 317.0 292.9 334.5 5.89 16 646 3834 6.4 -3.6 49 10.0 1.4 50 7 316.8 317.6 292.1 331.3 4.54 17 641 3898 5.6 -0.4 65 6.0 2.4 52 7 316.6 317.7 293.0 335.0 5.81 18 620 4170 4.8 -13.2 26 18.0 -2.6 61 8 318.7 319.1 290.6 326.1 2.23 19 598 4464 2.8 -10.2 38 13.0 -2.9 70 9 319.7 320.2 291.5 329.4 2.94 20 587 4615 3.6 -23.4 12 27.0 -5.3 74 9 322.3 322.5 290.5 325.8 0.99 21 500 5900 -4.1 -35.1 7 31.0 -11.5 115 13 328.0 328.1 291.6 329.5 0.39 22 499 5916 -4.1 -36.1 6 32.0 -11.6 115 13 328.2 328.3 291.6 329.5 0.35 23 456 6619 -8.3 -29.3 17 21.0 -13.9 134 11 331.5 331.7 292.9 334.3 0.74 24 421 7232 -13.5 -17.4 72 3.9 -14.9 150 10 332.5 333.0 294.5 340.7 2.32 25 410 7433 -13.9 -30.9 22 17.0 -18.0 155 9 334.6 334.7 293.6 337.2 0.71 26 402 7582 -14.7 -19.7 66 5.0 -16.4 159 9 335.4 335.8 294.9 342.5 2.00 27 400 7620 -14.9 -20.9 60 6.0 -16.8 160 9 335.6 336.0 294.8 342.1 1.81 28 399 7639 -15.1 -22.1 55 7.0 -17.3 161 9 335.6 335.9 294.7 341.5 1.63 29 397 7677 -15.5 -17.9 82 2.4 -16.3 163 9 335.6 336.0 295.3 343.9 2.36 30 388 7849 -16.5 -25.5 46 9.0 -19.0 171 9 336.5 336.7 294.6 341.0 1.24 31 378 8044 -18.1 -20.6 81 2.5 -18.9 180 9 336.9 337.3 295.3 343.9 1.96 32 364 8325 -20.1 -22.0 85 1.9 -20.7 193 10 337.9 338.2 295.4 344.4 1.80 33 340 8826 -22.7 -27.7 64 5.0 -23.9 216 10 341.0 341.2 295.6 345.3 1.15 34 300 9730 -29.7 -32.9 74 3.2 -30.3 260 11 343.5 343.7 295.8 346.6 0.80 35 294 9874 -30.9 -32.7 84 1.8 -31.2 263 11 343.8 344.0 296.0 347.0 0.83 36 274 10373 -34.1 -40.1 55 6.0 -34.8 272 10 346.2 346.3 296.1 347.9 0.42 37 253 10928 -38.9 -43.1 64 4.2 -39.3 283 9 347.0 347.1 296.3 348.4 0.34 38 250 11010 -39.5 -44.2 61 4.7 -39.9 285 9 347.3 347.4 296.3 348.6 0.30 39 222 11813 -45.3 -58.3 22 13.0 -45.9 290 11 350.4 350.4 296.8 350.7 0.07 40 200 12500 -51.5 -64.5 20 13.0 -51.8 295 13 351.2 351.2 296.9 351.4 0.03 41 189 12864 -54.1 -69.1 14 15.0 -54.4 300 14 352.8 352.8 297.3 352.8 0.02 42 150 14300 -66.5 -74.5 32 8.0 -66.5 320 17 355.5 355.5 297.8 355.6 0.01 43 148 14381 -67.3 -75.3 31 8.0 -67.4 325 17 355.5 355.5 297.8 355.6 0.01 44 139 14758 -69.9 -75.9 41 6.0 -69.9 351 17 357.4 357.4 298.2 357.4 0.01 45 121 15572 -76.1 -82.1 38 6.0 -76.1 47 17 360.5 360.5 298.8 360.5 0.00 46 100 16660 -81.1 -86.1 43 5.0 -81.1 125 17 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 546.32 mb = 5215.67 m = 17111.57 ft Wetbulb zero: 631.03 mb = 4026.13 m = 13208.92 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 43.81 % Est. max temperature: 34.96 C = 94.92 F Sfc-Lift cond lev (LCL): 959.50 mb = 453.51 m = 1487.86 ft T: 24.56 C 700-500 lapse rate: 5.82 C/km ThetaE index: 16.08 C Layer 779.0- 723.0 mb Conv cond level (CCL): 815.27 mb = 1873.36 m = 6146.12 ft Mean mixing ratio: 17.21 g/kg Conv temperature: 37.39 C = 99.30 F Cap Strength: 3.56 C Lifted Index: -2.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.59 C Lifted Index @700 mb: 0.59 C Showalter Index: 2.50 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 16.30 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 169.40 Risk: None Energy Index: -1.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 715.37 J/kg Max Up Vert Vel: 37.83 m/s Conv Inhibition (B-): 178.11 J/kg Cap Strength: 3.38 C Lift Cond Lev (LCL): 915.33 mb = 867.70 m = 2846.76 ft Lev Free Conv (LFC): 680.33 mb = 3406.58 m = 11176.32 ft Equ Level (EL): 190.33 mb = 12818.57 m = 42055.16 ft B at Equ Level: 710.07 J/kg Wind level data Storm motion: 114 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 1009 7 145 1 -0.6 0.8 | 287 4 4.1 -1.2 1 1000 88 145 3 -1.7 2.5 | 263 3 3.0 0.4 2 925 776 155 5 -2.1 4.5 | 227 4 2.6 2.5 3 850 1513 335 5 2.1 -4.5 | 314 10 6.8 -6.6 4 700 3169 30 5 -2.5 -4.3 | 341 7 2.2 -6.4 5 500 5900 115 13 -11.8 5.5 | 116 8 -7.1 3.4 6 400 7620 160 9 -3.1 8.5 | 194 7 1.6 6.4 7 300 9730 260 11 10.8 1.9 | 271 16 15.6 -0.2 8 250 11010 285 9 8.7 -2.3 | 288 14 13.4 -4.4 9 200 12500 295 13 11.8 -5.5 | 295 18 16.5 -7.6 10 150 14300 320 17 10.9 -13.0 | 314 22 15.7 -15.1 11 100 16660 125 17 -13.9 9.8 | 130 12 -9.2 7.7 Wind Parameters Mean winds (0-6000m): 83.6 at 6.9 knts Storm direction: 113.6 at 5.2 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 51.5 deg Storm rel helicity (0-3000m) pos: 37.0 neg: -2.9 tot: 34.2 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.2 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 139.69 Bulk Shear: 5.12 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 ------------------------------------------------------------------------------- 500 148 3 255 3| 3.3 0.0 3.3| 0.0 -2.4 -2.4 -4.9 -0.85| 3.4 -2.9 1000 159 4 242 4| 2.4 0.0 2.4| 3.9 -2.9 1.0 1.0 -0.10| 4.6 -0.4 1500 152 4 236 3| 2.1 0.0 2.1| 28.7 -2.9 25.8 17.2 0.46| 6.7 3.1 2000 111 5 315 1| 1.5 0.0 1.5| 32.2 -2.9 29.3 14.6 0.50| 5.4 2.7 2500 18 5 333 7| 1.2 0.0 1.2| 34.9 -2.9 32.0 12.8 0.52| 4.6 2.4 3000 17 5 333 7| 1.0 0.0 1.0| 37.0 -2.9 34.2 11.4 0.53| 4.1 2.2 4000 32 5 342 7| 1.0 0.0 1.0| 44.2 -2.9 41.3 10.3 0.60| 3.6 2.2 5000 55 6 1 5| 1.0 0.0 1.0| 53.4 -2.9 50.5 10.1 0.66| 3.5 2.3 6000 84 7 37 4| 1.0 0.0 1.0| 65.6 -2.9 62.7 10.4 0.71| 3.5 2.5 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250427.12.gif