UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102912.upa.cvt Date: 1200Z 29 OCT 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 29 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 26.2 24.9 93 1.3 25.3 70 1 298.5 302.1 298.1 356.8 20.00 1 1000 94 26.0 24.8 93 1.2 25.2 60 9 299.1 302.8 298.3 357.9 20.08 2 925 780 22.0 20.0 88 2.0 20.6 95 23 301.8 304.8 296.5 349.3 16.11 3 870 1312 19.0 19.0 100 0.0 19.0 95 23 304.0 307.0 297.0 351.9 16.10 4 850 1512 18.2 17.4 95 0.8 17.7 95 23 305.2 308.0 296.5 349.7 14.87 5 786 2181 14.6 13.7 94 0.9 14.0 99 21 308.3 310.6 295.8 346.5 12.64 6 736 2737 13.0 9.6 80 3.4 10.8 102 20 312.4 314.3 295.3 344.0 10.26 7 700 3159 10.8 9.3 90 1.5 9.9 105 19 314.4 316.5 296.0 347.3 10.57 8 688 3303 9.8 9.0 95 0.8 9.3 107 19 314.9 316.9 296.1 347.7 10.54 9 653 3737 8.8 4.7 75 4.1 6.3 112 20 318.5 320.1 295.4 344.6 8.23 10 540 5287 -0.7 -1.2 96 0.5 -1.0 132 22 325.0 326.2 295.8 346.2 6.51 11 501 5884 -4.1 -5.0 93 0.9 -4.6 140 23 327.9 328.9 295.6 345.4 5.27 12 500 5900 -4.1 -5.4 91 1.3 -4.8 140 23 328.0 329.1 295.6 345.1 5.12 13 449 6741 -8.5 -11.7 78 3.2 -9.9 147 20 332.8 333.5 295.4 344.7 3.48 14 400 7630 -13.1 -14.3 91 1.2 -13.6 155 17 338.0 338.6 296.4 349.1 3.16 15 371 8199 -16.7 -18.1 89 1.4 -17.2 138 19 340.5 341.0 296.5 349.4 2.48 16 300 9760 -27.9 -30.5 78 2.6 -28.5 90 23 346.1 346.3 296.6 349.9 1.01 17 284 10154 -30.9 -34.3 72 3.4 -31.5 90 21 347.2 347.4 296.7 350.1 0.74 18 267 10591 -34.3 -37.1 76 2.8 -34.7 90 18 348.5 348.6 296.8 350.8 0.59 19 250 11050 -38.3 -41.7 70 3.4 -38.7 90 15 349.1 349.2 296.8 350.7 0.39 20 200 12540 -51.3 -55.0 65 3.7 -51.4 105 13 351.5 351.6 297.1 352.0 0.11 21 198 12605 -51.9 -55.5 65 3.6 -52.0 105 13 351.6 351.6 297.1 352.0 0.10 22 192 12804 -53.7 -58.2 58 4.5 -53.8 105 12 351.8 351.8 297.1 352.1 0.08 23 178 13286 -58.1 -60.6 73 2.5 -58.2 105 11 352.3 352.3 297.2 352.6 0.06 24 165 13759 -62.7 -65.9 65 3.2 -62.7 105 10 352.3 352.3 297.1 352.5 0.03 25 153 14221 -66.7 -71.6 50 4.9 -66.7 105 9 353.2 353.2 297.3 353.2 0.02 26 150 14340 -67.9 -72.9 49 5.0 -67.9 105 9 353.1 353.1 297.3 353.2 0.01 27 140 14750 -71.3 -78.3 35 7.0 -71.3 102 12 354.2 354.2 297.5 354.2 0.01 28 121 15594 -78.3 -82.4 51 4.1 -78.3 97 19 356.5 356.5 298.0 356.5 0.00 29 102 16551 -84.3 -89.2 42 4.9 -84.3 91 26 362.8 362.8 299.2 362.8 0.00 30 100 16660 -83.3 -89.3 34 6.0 -83.3 90 27 366.8 366.8 300.0 366.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 548.33 mb = 5173.07 m = 16971.80 ft Wetbulb zero: 555.06 mb = 5062.86 m = 16610.22 ft Precipitable water: 2.65 inches Sfc-500 mean rel hum: 89.77 % Est. max temperature: 32.33 C = 90.20 F Sfc-Lift cond lev (LCL): 991.59 mb = 168.36 m = 552.35 ft T: 25.57 C 700-500 lapse rate: 5.44 C/km ThetaE index: 8.55 C Layer 925.0- 870.0 mb Conv cond level (CCL): 918.12 mb = 844.71 m = 2771.31 ft Mean mixing ratio: 17.97 g/kg Conv temperature: 29.78 C = 85.61 F Cap Strength: 0.72 C Lifted Index: -2.36 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.35 C Lifted Index @700 mb: -0.70 C Showalter Index: -1.01 C Risk: Thunderstorms probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.50 C K Index: 38.20 Risk: > 80 % chance of thunderstorms Sweat Index: 277.80 Risk: None Energy Index: -0.96 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 591.70 J/kg Max Up Vert Vel: 34.40 m/s Conv Inhibition (B-): 4.90 J/kg Cap Strength: 0.72 C Lift Cond Lev (LCL): 938.58 mb = 651.81 m = 2138.44 ft Lev Free Conv (LFC): 893.58 mb = 1079.77 m = 3542.50 ft Equ Level (EL): 143.58 mb = 14599.93 m = 47899.46 ft B at Equ Level: 586.31 J/kg Wind level data Storm motion: 140 at 15 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 70 1 -0.9 -0.3 | 324 15 8.9 -12.1 1 1000 94 60 9 -7.8 -4.5 | 353 16 2.1 -16.3 2 925 780 95 23 -22.9 2.0 | 53 16 -13.0 -9.8 3 850 1512 95 23 -22.9 2.0 | 53 16 -13.0 -9.8 4 700 3159 105 19 -18.4 4.9 | 51 11 -8.5 -6.9 5 500 5900 140 23 -14.8 17.6 | 140 8 -4.9 5.8 6 400 7630 155 17 -7.2 15.4 | 217 5 2.7 3.6 7 300 9760 90 23 -23.0 0.0 | 48 18 -13.1 -11.8 8 250 11050 90 15 -15.0 0.0 | 24 13 -5.1 -11.8 9 200 12540 105 13 -12.6 3.4 | 18 9 -2.7 -8.4 10 150 14340 105 9 -8.7 2.3 | 353 10 1.2 -9.5 11 100 16660 90 27 -27.0 0.0 | 55 21 -17.1 -11.8 Wind Parameters Mean winds (0-6000m): 110.1 at 20.5 knts Storm direction: 140.1 at 15.4 knts Shear (0-3000m) pos: 3.2 neg: 0.0 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 87.9 deg Storm rel helicity (0-3000m) pos: 105.7 neg: -1.2 tot: 104.5 m^2/s^2 ave: 34.8 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 4.3 10^-3/s Energy-Hel index: 0.39 Bulk Rich Number: 25.68 Bulk Shear: 23.04 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 73 12 5 15| 16.9 0.0 16.9| 73.7 0.0 73.7 147.4 0.99| 18.4 18.3 1000 88 17 28 14| 11.4 0.0 11.4|105.5 0.0 105.5 105.5 1.00| 13.0 13.0 1500 91 19 38 15| 7.6 0.0 7.6|105.5 0.0 105.5 70.4 1.00| 8.7 8.6 2000 92 20 42 15| 5.4 0.0 5.4|105.7 -0.0 105.7 52.8 0.93| 6.9 6.5 2500 94 20 44 14| 4.1 0.0 4.1|105.7 -0.4 105.3 42.1 0.88| 5.9 5.2 3000 95 20 45 14| 3.2 0.0 3.2|105.7 -1.2 104.5 34.8 0.82| 5.2 4.3 4000 99 20 48 13| 2.5 0.0 2.5|114.2 -1.4 112.8 28.2 0.81| 4.4 3.6 5000 104 20 54 12| 2.2 0.0 2.2|123.9 -1.4 122.5 24.5 0.83| 4.1 3.4 6000 110 21 63 11| 1.9 0.0 1.9|133.5 -1.4 132.1 22.0 0.84| 3.8 3.2 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251029.12.gif