UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 17 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 1006 7 28.4 23.9 77 4.5 25.1 0 0 301.0 304.5 298.0 356.6 18.88 1 1000 62 28.0 23.7 78 4.3 24.8 180 1 301.1 304.6 298.0 356.4 18.76 2 925 754 26.4 18.4 61 8.0 20.8 170 11 306.3 309.0 296.6 350.0 14.55 3 920 802 26.2 19.2 65 7.0 21.2 173 11 306.6 309.4 297.3 352.9 15.40 4 850 1498 22.2 19.2 83 3.0 20.1 215 7 309.4 312.5 298.7 360.2 16.70 5 841 1591 21.2 19.0 87 2.2 19.6 215 7 309.3 312.4 298.7 360.0 16.67 6 764 2418 17.0 7.0 52 10.0 10.8 215 7 313.4 314.9 294.1 339.0 8.25 7 700 3160 12.2 7.2 71 5.0 9.1 215 7 316.0 317.8 295.4 344.7 9.15 8 690 3280 11.0 6.6 74 4.4 8.3 216 7 316.0 317.7 295.3 343.9 8.90 9 666 3575 9.4 4.5 71 4.9 6.5 220 8 317.4 318.9 294.9 342.5 7.96 10 657 3688 9.8 -1.2 46 11.0 3.8 222 9 319.1 320.1 293.4 336.2 5.34 11 617 4205 5.0 -2.0 60 7.0 1.3 228 11 319.3 320.4 293.4 336.6 5.36 12 541 5266 -1.7 -2.6 94 0.9 -2.2 242 15 323.6 324.7 295.0 342.7 5.85 13 500 5890 -4.7 -5.8 92 1.1 -5.3 250 17 327.3 328.3 295.3 343.8 4.97 14 481 6195 -6.3 -6.8 96 0.5 -6.5 250 17 329.0 329.9 295.5 345.0 4.78 15 477 6260 -6.3 -7.6 90 1.3 -6.9 250 17 329.8 330.7 295.5 345.0 4.53 16 400 7620 -13.9 -15.7 86 1.8 -14.6 250 17 336.9 337.5 295.9 346.8 2.82 17 399 7639 -13.9 -15.9 85 2.0 -14.7 250 17 337.2 337.7 296.0 347.0 2.78 18 307 9584 -27.5 -30.2 78 2.7 -28.0 250 15 344.3 344.6 296.3 348.2 1.01 19 300 9750 -28.9 -31.4 79 2.5 -29.4 250 15 344.6 344.8 296.2 348.2 0.92 20 286 10088 -31.5 -33.7 81 2.2 -31.9 247 16 345.7 345.8 296.3 348.7 0.78 21 250 11020 -39.3 -42.2 74 2.9 -39.6 240 17 347.6 347.7 296.4 349.1 0.37 22 200 12510 -51.7 -56.3 58 4.6 -51.9 240 23 350.9 350.9 296.9 351.3 0.09 23 196 12641 -52.9 -57.3 59 4.4 -53.1 240 23 351.0 351.0 296.9 351.4 0.08 24 151 14270 -66.7 -71.6 50 4.9 -66.7 240 19 354.5 354.5 297.6 354.6 0.02 25 150 14310 -67.1 -72.1 49 5.0 -67.1 240 19 354.5 354.5 297.6 354.6 0.02 26 116 15819 -78.1 -84.1 37 6.0 -78.1 335 15 361.2 361.2 299.0 361.2 0.00 27 114 15919 -75.7 -82.7 32 7.0 -75.7 342 15 367.4 367.4 300.1 367.5 0.00 28 100 16670 -78.9 -85.9 31 7.0 -78.9 30 13 375.3 375.3 301.5 375.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5828.00 m Freezing level: 560.28 mb = 4996.54 m = 16392.65 ft Wetbulb zero: 588.47 mb = 4587.15 m = 15049.52 ft Precipitable water: 2.39 inches Sfc-500 mean rel hum: 71.92 % Est. max temperature: 36.53 C = 97.76 F Sfc-Lift cond lev (LCL): 942.80 mb = 584.86 m = 1918.80 ft T: 26.79 C 700-500 lapse rate: 6.19 C/km ThetaE index: 21.17 C Layer 841.0- 700.0 mb Conv cond level (CCL): 773.78 mb = 2308.49 m = 7573.70 ft Mean mixing ratio: 16.53 g/kg Conv temperature: 40.22 C = 104.39 F Cap Strength: 4.08 C Lifted Index: -2.96 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.38 C Lifted Index @700 mb: 0.70 C Showalter Index: -5.13 C Risk: Severe thunderstorms possible Total Totals Index: 50.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 23.90 C K Index: 41.10 Risk: > 80 % chance of thunderstorms Sweat Index: 297.40 Risk: None Energy Index: -3.25 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 801.33 J/kg Max Up Vert Vel: 40.03 m/s Conv Inhibition (B-): 204.82 J/kg Cap Strength: 4.08 C Lift Cond Lev (LCL): 874.03 mb = 1252.83 m = 4110.29 ft Lev Free Conv (LFC): 679.03 mb = 3413.67 m = 11199.57 ft Equ Level (EL): 659.03 mb = 3662.22 m = 12015.02 ft B at Equ Level: 15.93 J/kg Wind level data Storm motion: 255 at 7 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 1006 7 0 0 -0.0 -0.0 | 75 7 -7.0 -1.8 1 1000 62 180 1 0.0 1.0 | 83 7 -7.0 -0.8 2 925 754 170 11 -1.9 10.8 | 135 13 -8.9 9.0 3 850 1498 215 7 4.0 5.7 | 143 5 -3.0 3.9 4 700 3160 215 7 4.0 5.7 | 143 5 -3.0 3.9 5 500 5890 250 17 16.0 5.8 | 246 10 9.0 4.0 6 400 7620 250 17 16.0 5.8 | 246 10 9.0 4.0 7 300 9750 250 15 14.1 5.1 | 245 8 7.1 3.3 8 250 11020 240 17 14.7 8.5 | 229 10 7.7 6.7 9 200 12510 240 23 19.9 11.5 | 233 16 12.9 9.7 10 150 14310 240 19 16.5 9.5 | 231 12 9.5 7.7 11 100 16670 30 13 -6.5 -11.3 | 46 19 -13.5 -13.1 Wind Parameters Mean winds (0-6000m): 225.5 at 9.6 knts Storm direction: 255.5 at 7.2 knts Shear (0-3000m) pos: 1.2 neg: 0.0 tot: 1.2 10-3/s Storm rel Dir Shear (0-3000m): 67.4 deg Storm rel helicity (0-3000m) pos: 24.0 neg: -0.4 tot: 23.6 m^2/s^2 ave: 7.9 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.7 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 99.19 Bulk Shear: 8.08 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 ------------------------------------------------------------------------------- 500 174 4 105 8| 7.6 0.0 7.6| 13.4 0.0 13.4 26.9 0.89| 7.7 6.8 1000 173 7 122 9| 5.0 0.0 5.0| 22.7 0.0 22.7 22.7 0.73| 6.9 5.1 1500 181 7 129 9| 2.4 0.0 2.4| 24.0 -0.4 23.6 15.8 0.55| 6.3 3.5 2000 189 7 132 8| 1.8 0.0 1.8| 24.0 -0.4 23.6 11.8 0.55| 4.7 2.6 2500 195 7 135 7| 1.4 0.0 1.4| 24.0 -0.4 23.6 9.5 0.55| 3.8 2.1 3000 198 7 136 7| 1.2 0.0 1.2| 24.0 -0.4 23.6 7.9 0.55| 3.2 1.7 4000 205 7 142 6| 1.3 0.0 1.3| 28.6 -0.4 28.2 7.0 0.62| 2.8 1.7 5000 214 8 156 6| 1.4 0.0 1.4| 35.2 -0.4 34.8 7.0 0.67| 2.7 1.8 6000 225 10 179 5| 1.5 0.0 1.5| 43.1 -0.4 42.7 7.1 0.69| 2.7 1.8 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250417.12.gif