UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101000.upa.cvt Date: 0000Z 10 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 10 OCT 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 19 25.8 23.7 88 2.1 24.3 0 0 298.2 301.6 297.1 352.3 18.59 1 1000 85 24.4 23.0 92 1.4 23.4 30 1 297.5 300.8 296.5 349.6 17.96 2 992 156 23.8 23.0 95 0.8 23.2 44 2 297.6 300.9 296.7 350.2 18.11 3 977 289 24.6 21.4 82 3.2 22.3 70 3 299.7 302.8 296.3 348.4 16.64 4 925 769 22.6 16.6 69 6.0 18.5 165 7 302.4 304.8 294.5 340.7 12.95 5 903 979 21.8 14.8 64 7.0 17.1 159 6 303.7 305.9 294.0 338.8 11.80 6 854 1461 17.6 16.9 96 0.7 17.1 146 3 304.2 306.8 295.9 346.8 14.33 7 850 1501 17.4 16.8 96 0.6 17.0 145 3 304.4 307.0 296.0 347.0 14.31 8 792 2103 13.6 13.6 100 0.0 13.6 123 4 306.5 308.9 295.3 344.0 12.46 9 790 2125 13.4 13.4 100 0.0 13.4 122 5 306.5 308.8 295.2 343.6 12.33 10 781 2222 14.0 11.2 83 2.8 12.2 119 5 308.2 310.2 294.5 340.8 10.76 11 700 3141 9.0 6.9 87 2.1 7.7 85 7 312.5 314.2 294.4 340.2 8.96 12 660 3626 5.8 4.3 90 1.5 4.9 101 7 314.1 315.7 294.0 338.9 7.92 13 559 4973 -0.3 -5.3 69 5.0 -2.7 145 7 322.2 323.1 293.7 337.3 4.61 14 516 5611 -3.1 -12.1 50 9.0 -6.9 167 7 326.3 326.9 293.4 336.2 2.93 15 500 5860 -4.9 -9.6 70 4.7 -7.0 175 7 327.1 327.8 294.2 339.5 3.69 16 490 6019 -5.7 -8.7 79 3.0 -7.1 176 7 328.0 328.8 294.7 341.6 4.05 17 437 6911 -9.1 -16.1 57 7.0 -11.8 184 8 334.6 335.1 295.1 343.3 2.49 18 423 7163 -11.1 -19.1 52 8.0 -13.9 186 8 335.2 335.6 294.8 342.3 2.00 19 400 7590 -14.3 -20.3 60 6.0 -16.3 190 9 336.4 336.8 295.1 343.2 1.90 20 323 9178 -25.5 -32.5 52 7.0 -26.9 142 12 342.1 342.3 295.6 345.1 0.77 21 321 9223 -25.7 -35.7 39 10.0 -27.5 140 12 342.5 342.6 295.4 344.7 0.57 22 318 9291 -26.3 -38.3 31 12.0 -28.2 138 12 342.6 342.7 295.3 344.3 0.44 23 300 9710 -29.9 -37.9 46 8.0 -31.1 125 13 343.2 343.3 295.6 345.1 0.49 24 294 9853 -30.9 -35.8 62 4.9 -31.7 123 13 343.8 343.9 295.8 346.2 0.61 25 282 10147 -33.1 -41.1 45 8.0 -34.1 120 13 344.8 344.8 295.8 346.2 0.37 26 276 10298 -34.3 -38.1 68 3.8 -34.8 118 13 345.2 345.3 296.0 347.2 0.52 27 272 10400 -35.3 -44.3 39 9.0 -36.2 117 13 345.2 345.2 295.8 346.3 0.27 28 251 10953 -40.3 -42.2 82 1.9 -40.5 110 13 345.8 345.8 296.0 347.2 0.37 29 250 10980 -40.5 -43.1 76 2.6 -40.8 110 13 345.9 345.9 296.0 347.2 0.34 30 220 11838 -47.1 -61.1 19 14.0 -47.6 99 20 348.6 348.6 296.4 348.8 0.05 31 200 12460 -52.9 -64.9 22 12.0 -53.2 90 25 349.0 349.0 296.4 349.1 0.03 32 175 13303 -61.1 -65.8 54 4.7 -61.2 99 30 349.1 349.1 296.4 349.2 0.03 33 162 13776 -65.3 -69.3 57 4.0 -65.3 105 32 349.8 349.8 296.6 349.9 0.02 34 150 14240 -68.5 -77.5 26 9.0 -68.5 110 35 352.1 352.1 297.1 352.1 0.01 35 148 14321 -69.1 -79.1 22 10.0 -69.2 109 35 352.4 352.4 297.1 352.4 0.01 36 130 15085 -75.5 -80.0 49 4.5 -75.5 104 33 354.2 354.3 297.5 354.3 0.01 37 118 15646 -75.7 -84.7 23 9.0 -75.7 100 32 363.8 363.8 299.4 363.8 0.00 38 112 15947 -77.9 -85.9 26 8.0 -77.9 98 32 365.2 365.2 299.7 365.2 0.00 39 103 16423 -80.9 -85.9 43 5.0 -80.9 95 31 368.3 368.3 300.2 368.3 0.00 40 100 16590 -80.1 -85.1 43 5.0 -80.1 85 42 373.0 373.0 301.1 373.0 0.00 TRP 103 16423 -80.9 -85.9 43 5.0 -80.9 95 31 368.3 368.3 300.2 368.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5775.00 m Freezing level: 563.97 mb = 4906.53 m = 16097.33 ft Wetbulb zero: 594.98 mb = 4467.08 m = 14655.61 ft Precipitable water: 2.22 inches Sfc-500 mean rel hum: 79.97 % Est. max temperature: 31.76 C = 89.16 F Sfc-Lift cond lev (LCL): 979.08 mb = 270.79 m = 888.42 ft T: 24.49 C 700-500 lapse rate: 5.11 C/km ThetaE index: 11.40 C Layer 977.0- 854.0 mb Conv cond level (CCL): 859.36 mb = 1406.71 m = 4615.14 ft Mean mixing ratio: 15.34 g/kg Conv temperature: 31.76 C = 89.16 F Cap Strength: 2.97 C Lifted Index: -0.29 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.96 C Lifted Index @700 mb: -0.34 C Showalter Index: -0.88 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.70 C K Index: 37.00 Risk: > 80 % chance of thunderstorms Sweat Index: 214.60 Risk: None Energy Index: -1.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 89.99 J/kg Max Up Vert Vel: 13.42 m/s Conv Inhibition (B-): 62.62 J/kg Cap Strength: 2.96 C Lift Cond Lev (LCL): 905.67 mb = 953.09 m = 3126.90 ft Lev Free Conv (LFC): 810.67 mb = 1904.72 m = 6249.00 ft Equ Level (EL): 780.67 mb = 2225.18 m = 7300.35 ft B at Equ Level: 21.43 J/kg Max Parcel Lev (MPL): 350.67 mb = 8567.72 m = 28108.99 ft Wind level data Storm motion: 160 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 1009 19 0 0 -0.0 -0.0 | 340 4 1.5 -4.1 1 1000 85 30 1 -0.5 -0.9 | 349 5 1.0 -5.0 2 925 769 165 7 -1.8 6.8 | 173 3 -0.3 2.7 3 850 1501 145 3 -1.7 2.5 | 8 2 -0.2 -1.6 4 700 3141 85 7 -7.0 -0.6 | 49 7 -5.5 -4.7 5 500 5860 175 7 -0.6 7.0 | 197 3 0.9 2.9 6 400 7590 190 9 1.6 8.9 | 213 6 3.0 4.8 7 300 9710 125 13 -10.6 7.5 | 110 10 -9.2 3.3 8 250 10980 110 13 -12.2 4.4 | 92 11 -10.7 0.3 9 200 12460 90 25 -25.0 0.0 | 80 24 -23.5 -4.1 10 150 14240 110 35 -32.9 12.0 | 104 32 -31.4 7.9 11 103 16423 95 31 -30.9 2.7 | 87 29 -29.4 -1.4 12 100 16590 85 42 -41.8 -3.7 | 79 41 -40.4 -7.8 Wind Parameters Mean winds (0-6000m): 130.1 at 5.8 knts Storm direction: 160.1 at 4.4 knts Shear (0-3000m) pos: 1.0 neg: 1.2 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 11.6 neg: -1.6 tot: 10.0 m^2/s^2 ave: 3.3 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 47.59 Bulk Shear: 1.89 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 ------------------------------------------------------------------------------- 500 102 3 15 4| 4.9 0.0 4.9| 7.5 0.0 7.5 15.0 0.89| 7.0 6.3 1000 160 4 10 0| 2.9 0.0 2.9| 10.6 -0.3 10.4 10.4 0.79| 6.9 5.5 1500 158 4 39 0| 1.9 1.0 2.9| 10.6 -0.7 9.9 6.6 0.52| 5.6 2.9 2000 153 4 44 1| 1.4 0.8 2.2| 11.3 -0.7 10.6 5.3 0.55| 4.6 2.5 2500 143 4 58 1| 1.2 1.0 2.1| 11.6 -0.7 10.8 4.3 0.51| 4.1 2.1 3000 130 5 60 2| 1.0 1.2 2.2| 11.6 -1.6 10.0 3.3 0.43| 3.8 1.7 4000 118 5 61 4| 1.1 0.9 2.0| 16.0 -2.0 14.1 3.5 0.46| 3.4 1.6 5000 121 6 69 3| 1.2 0.7 1.9| 19.5 -2.0 17.6 3.5 0.51| 3.1 1.6 6000 130 6 83 3| 1.1 0.6 1.7| 22.0 -2.0 20.0 3.3 0.56| 2.9 1.6 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251010.00.gif