UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for VVVH... Searching the city database file for: VVVH ... Date:0000Z 14 OCT 25 Station: VVVH WMO ident: 48845 Latitude: 18.70 Longitude: 105.67 Elevation: 6.00 ------------------------------------------------------------------------------- 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 6 24.8 24.2 96 0.6 24.4 350 1 297.2 300.7 297.2 352.8 19.17 1 1000 84 24.2 23.7 97 0.5 23.9 340 1 297.4 300.7 297.0 351.7 18.76 2 925 766 21.2 20.5 96 0.7 20.7 360 7 301.0 304.0 296.6 349.9 16.63 3 898 1023 19.8 19.8 100 0.0 19.8 9 6 302.1 305.1 296.7 350.5 16.40 4 850 1497 17.6 16.7 94 0.9 17.0 25 5 304.6 307.2 296.0 347.0 14.21 5 777 2262 14.0 14.0 100 0.0 14.0 80 11 308.6 311.1 296.2 348.2 13.05 6 762 2427 13.4 11.8 90 1.6 12.4 93 12 309.7 311.9 295.4 344.7 11.49 7 740 2675 14.4 7.4 63 7.0 10.0 111 14 313.4 315.1 294.5 340.6 8.77 8 700 3144 12.2 5.2 62 7.0 8.0 145 17 316.0 317.5 294.6 341.0 7.95 9 698 3168 12.2 5.2 62 7.0 8.0 145 17 316.3 317.8 294.6 341.4 7.97 10 693 3228 12.8 2.8 51 10.0 7.0 145 17 317.6 318.9 294.1 339.1 6.77 11 604 4362 2.4 0.2 85 2.2 1.2 145 21 318.3 319.5 294.0 338.8 6.44 12 542 5231 -2.1 -2.1 100 0.0 -2.1 145 23 322.9 324.1 295.0 342.7 6.06 13 500 5870 -4.7 -5.2 96 0.5 -5.0 145 25 327.3 328.3 295.4 344.6 5.20 14 400 7600 -14.7 -15.8 91 1.1 -15.1 145 21 335.9 336.5 295.7 345.7 2.79 15 396 7676 -14.9 -16.0 91 1.1 -15.3 144 21 336.6 337.2 295.8 346.4 2.77 16 300 9720 -28.9 -31.7 77 2.8 -29.5 125 13 344.6 344.8 296.2 348.1 0.90 17 287 10036 -30.9 -34.0 74 3.1 -31.4 116 13 346.2 346.3 296.4 349.1 0.75 18 250 11000 -38.7 -42.0 71 3.3 -39.1 90 15 348.5 348.6 296.7 350.1 0.38 19 233 11480 -42.7 -46.3 68 3.6 -43.0 82 14 349.6 349.6 296.8 350.6 0.26 20 228 11626 -44.3 -48.5 63 4.2 -44.6 80 14 349.3 349.3 296.7 350.1 0.21 21 225 11715 -45.1 -48.2 71 3.1 -45.3 78 14 349.4 349.4 296.7 350.3 0.22 22 209 12203 -49.5 -55.5 49 6.0 -49.7 70 13 350.0 350.0 296.7 350.4 0.10 23 200 12490 -52.1 -55.8 64 3.7 -52.2 65 13 350.3 350.3 296.8 350.7 0.10 24 181 13126 -58.1 -61.2 67 3.1 -58.2 60 14 350.6 350.6 296.8 350.9 0.06 25 162 13814 -64.1 -68.7 53 4.6 -64.1 54 16 351.8 351.8 297.0 351.9 0.02 26 150 14280 -67.9 -72.8 49 4.9 -67.9 50 17 353.1 353.1 297.3 353.2 0.01 27 139 14733 -71.5 -76.5 47 5.0 -71.5 62 18 354.6 354.6 297.6 354.6 0.01 28 129 15169 -74.5 -78.7 52 4.2 -74.5 74 18 356.8 356.8 298.1 356.9 0.01 29 122 15493 -74.1 -81.1 33 7.0 -74.1 83 19 363.3 363.3 299.4 363.3 0.00 30 111 16038 -77.9 -81.7 54 3.8 -77.9 98 20 366.1 366.1 299.9 366.1 0.00 31 100 16630 -79.9 -85.9 36 6.0 -79.9 115 21 373.4 373.4 301.1 373.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5786.00 m Freezing level: 570.93 mb = 4825.52 m = 15831.56 ft Wetbulb zero: 581.48 mb = 4666.82 m = 15310.90 ft Precipitable water: 2.49 inches Sfc-500 mean rel hum: 86.59 % Est. max temperature: 31.74 C = 89.13 F Sfc-Lift cond lev (LCL): 1000.69 mb = 77.97 m = 255.81 ft T: 24.25 C 700-500 lapse rate: 6.20 C/km ThetaE index: 7.53 C Layer 762.0- 700.0 mb Conv cond level (CCL): 934.96 mb = 672.30 m = 2205.69 ft Mean mixing ratio: 17.62 g/kg Conv temperature: 28.11 C = 82.59 F Cap Strength: 2.35 C Lifted Index: -2.08 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.03 C Lifted Index @700 mb: 1.34 C Showalter Index: -0.62 C Risk: Thunderstorms probable Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.40 C K Index: 32.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 235.40 Risk: None Energy Index: -0.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 503.74 J/kg Max Up Vert Vel: 31.74 m/s Conv Inhibition (B-): 3.11 J/kg Cap Strength: 2.21 C Lift Cond Lev (LCL): 950.68 mb = 526.41 m = 1727.04 ft Lev Free Conv (LFC): 905.68 mb = 949.20 m = 3114.14 ft Equ Level (EL): 755.68 mb = 2497.45 m = 8193.63 ft B at Equ Level: 39.11 J/kg Max Parcel Lev (MPL): 685.68 mb = 3315.84 m = 10878.59 ft Wind level data Storm motion: 168 at 11 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 6 350 1 0.2 -1.0 | 349 12 2.3 -11.7 1 1000 84 340 1 0.3 -0.9 | 348 12 2.5 -11.6 2 925 766 360 7 -0.0 -7.0 | 353 18 2.2 -17.7 3 850 1497 25 5 -2.1 -4.5 | 360 15 0.1 -15.2 4 700 3144 145 17 -9.8 13.9 | 113 8 -7.6 3.3 5 500 5870 145 25 -14.3 20.5 | 129 16 -12.2 9.8 6 400 7600 145 21 -12.0 17.2 | 123 12 -9.9 6.5 7 300 9720 125 13 -10.6 7.5 | 69 9 -8.5 -3.2 8 250 11000 90 15 -15.0 0.0 | 50 17 -12.8 -10.7 9 200 12490 65 13 -11.8 -5.5 | 31 19 -9.6 -16.2 10 150 14280 50 17 -13.0 -10.9 | 27 24 -10.8 -21.6 11 100 16630 115 21 -19.0 8.9 | 84 17 -16.9 -1.8 Wind Parameters Mean winds (0-6000m): 138.5 at 14.5 knts Storm direction: 168.5 at 10.9 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 92.6 neg: -0.6 tot: 92.0 m^2/s^2 ave: 30.7 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.6 stream: 4.3 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 13.56 Bulk Shear: 37.15 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 ------------------------------------------------------------------------------- 500 350 3 349 13| 3.8 0.0 3.8| 1.9 -0.6 1.3 2.6 0.08| 3.9 0.3 1000 360 4 352 15| 2.8 0.0 2.8| 10.0 -0.6 9.4 9.4 0.29| 3.7 1.1 1500 5 5 354 16| 1.5 0.0 1.5| 15.3 -0.6 14.7 9.8 0.36| 3.2 1.1 2000 18 5 358 16| 2.2 0.0 2.2| 38.6 -0.6 38.0 19.0 0.59| 3.9 2.3 2500 43 6 8 15| 2.6 0.0 2.6| 66.8 -0.6 66.2 26.5 0.71| 4.7 3.3 3000 81 8 24 13| 2.9 0.0 2.9| 92.6 -0.6 92.0 30.7 0.77| 5.6 4.3 4000 124 10 52 8| 2.4 0.2 2.6|102.3 -0.6 101.7 25.4 0.77| 4.9 3.7 5000 134 12 74 7| 2.0 0.5 2.4|105.6 -0.6 105.0 21.0 0.74| 4.2 3.1 6000 138 15 92 7| 1.6 0.6 2.2|108.4 -0.9 107.6 17.9 0.71| 3.7 2.6 Wrote GIF file: /home/apache/climate/data/raob//VVVH/skewt/VVVH.skewt.20251014.00.gif