UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101300.upa.cvt Date: 0000Z 13 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 13 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 1010 19 26.2 25.0 93 1.2 25.3 115 1 298.5 302.2 298.1 357.2 20.12 1 1000 91 25.6 24.6 94 1.0 24.9 110 5 298.8 302.4 298.0 356.7 19.84 2 925 776 21.8 21.3 97 0.5 21.5 195 3 301.6 304.8 297.3 353.2 17.50 3 850 1508 18.4 15.8 85 2.6 16.6 185 3 305.4 307.9 295.6 345.5 13.40 4 751 2563 12.4 12.4 100 0.0 12.4 207 2 309.9 312.2 296.0 346.9 12.14 5 700 3152 9.0 9.0 100 0.0 9.0 220 1 312.5 314.4 295.4 344.4 10.36 6 687 3308 9.0 7.6 91 1.4 8.1 224 1 314.1 316.0 295.3 343.9 9.58 7 674 3466 9.6 6.3 80 3.3 7.6 227 1 316.5 318.2 295.4 344.6 8.93 8 554 5065 -1.1 -1.3 99 0.2 -1.2 265 2 322.1 323.3 294.9 342.5 6.29 9 507 5770 -4.1 -7.5 77 3.4 -5.7 282 3 326.7 327.6 294.6 341.1 4.30 10 500 5880 -4.9 -7.2 84 2.3 -6.0 285 3 327.1 328.0 294.8 342.0 4.46 11 446 6768 -11.5 -11.5 100 0.0 -11.5 282 6 329.6 330.3 294.7 341.7 3.56 12 439 6889 -11.7 -12.4 95 0.7 -12.0 282 6 330.9 331.5 294.9 342.4 3.36 13 428 7084 -11.1 -14.9 73 3.8 -12.6 282 7 334.0 334.6 295.3 343.8 2.81 14 400 7600 -14.5 -19.5 66 5.0 -16.2 280 9 336.1 336.6 295.1 343.4 2.04 15 367 8247 -19.5 -22.2 79 2.7 -20.3 317 8 337.9 338.2 295.3 344.2 1.76 16 333 8965 -23.5 -32.5 43 9.0 -25.4 360 6 341.9 342.1 295.4 344.8 0.75 17 319 9278 -25.9 -34.9 43 9.0 -27.5 18 6 342.8 342.9 295.6 345.2 0.62 18 314 9392 -27.1 -34.1 51 7.0 -28.3 25 6 342.7 342.8 295.6 345.3 0.68 19 300 9720 -29.3 -38.3 41 9.0 -30.6 45 5 344.1 344.2 295.7 345.9 0.47 20 282 10157 -32.7 -43.7 33 11.0 -34.0 55 7 345.3 345.4 295.8 346.5 0.28 21 261 10695 -37.5 -44.5 48 7.0 -38.2 68 10 346.0 346.1 296.0 347.2 0.28 22 259 10748 -37.5 -49.5 28 12.0 -38.5 69 10 346.8 346.8 296.1 347.5 0.16 23 258 10774 -37.5 -48.5 31 11.0 -38.4 70 10 347.2 347.2 296.2 347.9 0.18 24 250 10990 -39.5 -50.5 30 11.0 -40.3 75 11 347.3 347.4 296.2 348.0 0.15 25 247 11073 -40.3 -47.3 47 7.0 -40.9 73 11 347.3 347.4 296.3 348.2 0.22 26 243 11185 -41.1 -56.1 18 15.0 -41.9 69 11 347.8 347.8 296.2 348.1 0.08 27 234 11441 -43.5 -49.5 51 6.0 -43.9 62 10 347.9 348.0 296.3 348.7 0.18 28 219 11884 -47.5 -52.0 60 4.5 -47.7 48 10 348.4 348.4 296.4 349.0 0.14 29 200 12480 -52.5 -58.5 48 6.0 -52.7 30 9 349.6 349.6 296.6 349.9 0.07 30 156 14034 -66.5 -71.5 49 5.0 -66.5 65 11 351.6 351.6 297.0 351.6 0.02 31 150 14270 -68.3 -74.3 42 6.0 -68.4 70 11 352.4 352.4 297.2 352.5 0.01 32 147 14391 -68.7 -75.7 36 7.0 -68.8 70 12 353.8 353.8 297.4 353.8 0.01 33 118 15673 -78.7 -83.7 44 5.0 -78.7 73 19 358.3 358.3 298.4 358.3 0.00 34 109 16124 -79.1 -85.1 37 6.0 -79.1 74 22 365.8 365.8 299.8 365.8 0.00 35 100 16610 -81.3 -84.7 56 3.4 -81.3 75 25 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5789.00 m Freezing level: 566.34 mb = 4900.96 m = 16079.08 ft Wetbulb zero: 570.53 mb = 4825.57 m = 15831.72 ft Precipitable water: 2.57 inches Sfc-500 mean rel hum: 91.55 % Est. max temperature: 32.61 C = 90.70 F Sfc-Lift cond lev (LCL): 993.03 mb = 152.44 m = 500.13 ft T: 25.26 C 700-500 lapse rate: 5.10 C/km ThetaE index: 11.68 C Layer 1000.0- 751.0 mb Conv cond level (CCL): 937.89 mb = 654.40 m = 2146.97 ft Mean mixing ratio: 18.54 g/kg Conv temperature: 28.81 C = 83.85 F Cap Strength: 0.35 C Lifted Index: -3.63 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.48 C Lifted Index @700 mb: -2.86 C Showalter Index: -0.29 C Risk: Thunderstorms probable Total Totals Index: 44.00 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 20.70 C K Index: 39.10 Risk: > 80 % chance of thunderstorms Sweat Index: 198.60 Risk: None Energy Index: -0.76 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1512.76 J/kg Max Up Vert Vel: 55.00 m/s Conv Inhibition (B-): 1.18 J/kg Cap Strength: 0.35 C Lift Cond Lev (LCL): 949.12 mb = 549.79 m = 1803.75 ft Lev Free Conv (LFC): 924.12 mb = 784.20 m = 2572.81 ft Equ Level (EL): 134.12 mb = 14925.63 m = 48967.99 ft B at Equ Level: 1500.97 J/kg Wind level data Storm motion: 247 at 2 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 19 115 1 -0.9 0.4 | 84 3 -2.5 -0.3 1 1000 91 110 5 -4.7 1.7 | 99 6 -6.3 1.0 2 925 776 195 3 0.8 2.9 | 159 2 -0.9 2.2 3 850 1508 185 3 0.3 3.0 | 149 3 -1.4 2.3 4 700 3152 220 1 0.6 0.8 | 94 1 -1.0 0.1 5 500 5880 285 3 2.9 -0.8 | 319 2 1.3 -1.5 6 400 7600 280 9 8.9 -1.6 | 287 8 7.2 -2.3 7 300 9720 45 5 -3.5 -3.5 | 51 7 -5.2 -4.2 8 250 10990 75 11 -10.6 -2.8 | 74 13 -12.3 -3.5 9 200 12480 30 9 -4.5 -7.8 | 36 10 -6.1 -8.5 10 150 14270 70 11 -10.3 -3.8 | 70 13 -12.0 -4.5 11 100 16610 75 25 -24.1 -6.5 | 74 27 -25.8 -7.2 Wind Parameters Mean winds (0-6000m): 217.2 at 2.4 knts Storm direction: 247.2 at 1.8 knts Shear (0-3000m) pos: 0.3 neg: 0.1 tot: 0.4 10-3/s Storm rel Dir Shear (0-3000m): 20.0 deg Storm rel helicity (0-3000m) pos: 6.7 neg: -0.6 tot: 6.1 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 0.8 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 520.74 Bulk Shear: 2.91 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 ------------------------------------------------------------------------------- 500 130 4 112 5| 3.3 0.0 3.3| 5.7 0.0 5.7 11.3 0.57| 8.1 4.7 1000 149 4 125 4| 1.5 0.0 1.5| 6.7 -0.1 6.6 6.6 0.56| 5.2 2.9 1500 163 3 134 4| 1.0 0.1 1.1| 6.7 -0.3 6.4 4.3 0.51| 3.6 1.8 2000 169 3 138 3| 0.7 0.1 0.8| 6.7 -0.3 6.4 3.2 0.47| 2.9 1.4 2500 174 3 140 3| 0.5 0.1 0.5| 6.7 -0.4 6.3 2.5 0.42| 2.4 1.0 3000 176 3 138 3| 0.3 0.1 0.4| 6.7 -0.6 6.1 2.0 0.35| 2.2 0.8 4000 183 2 139 2| 0.3 0.0 0.4| 6.7 -0.6 6.1 1.5 0.33| 1.7 0.6 5000 197 2 147 2| 0.4 0.0 0.4| 6.8 -0.6 6.1 1.2 0.33| 1.5 0.5 6000 217 2 170 1| 0.4 0.0 0.4| 6.9 -0.7 6.1 1.0 0.31| 1.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251013.00.gif