UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101600.upa.cvt Date: 0000Z 16 OCT 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 16 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 1008 19 26.4 24.0 87 2.4 24.6 340 1 298.9 302.3 297.5 354.2 18.96 1 1000 72 25.2 23.3 89 1.9 23.8 340 5 298.4 301.7 297.0 351.6 18.30 2 979 259 23.8 22.5 92 1.3 22.9 6 6 298.8 302.0 296.8 350.6 17.79 3 971 331 25.2 21.4 79 3.8 22.5 16 7 300.9 303.9 296.7 350.1 16.75 4 925 759 24.6 17.6 65 7.0 19.7 75 9 304.5 307.0 295.7 345.6 13.82 5 920 807 24.6 17.6 65 7.0 19.7 74 10 304.9 307.5 295.8 346.4 13.89 6 850 1495 19.0 15.7 81 3.3 16.7 60 19 306.0 308.5 295.7 346.0 13.32 7 836 1638 17.8 15.8 88 2.0 16.4 62 19 306.2 308.8 296.0 347.2 13.63 8 804 1972 16.8 14.7 87 2.1 15.4 67 19 308.6 311.1 296.3 348.6 13.20 9 776 2274 16.0 7.0 55 9.0 10.5 72 19 310.9 312.4 293.3 335.9 8.13 10 730 2792 13.0 5.0 58 8.0 8.2 80 19 313.1 314.5 293.4 336.5 7.51 11 700 3144 10.4 6.7 78 3.7 8.1 85 19 314.0 315.7 294.7 341.5 8.83 12 613 4238 3.2 3.2 100 0.0 3.2 89 20 317.9 319.4 295.0 342.9 7.89 13 602 4385 2.0 1.7 98 0.3 1.8 89 20 318.1 319.5 294.6 341.0 7.21 14 500 5870 -4.9 -5.9 93 1.0 -5.4 95 21 327.1 328.0 295.1 343.5 4.93 15 476 6254 -7.1 -8.8 88 1.7 -7.9 92 20 329.0 329.8 295.0 342.9 4.13 16 445 6776 -9.7 -12.9 77 3.2 -11.0 87 19 332.1 332.7 295.1 343.1 3.19 17 439 6880 -10.3 -11.4 92 1.1 -10.8 86 19 332.6 333.4 295.6 345.1 3.65 18 428 7075 -11.7 -14.0 83 2.3 -12.6 85 18 333.3 333.9 295.2 343.8 3.03 19 425 7129 -11.5 -20.5 47 9.0 -14.5 84 18 334.2 334.6 294.4 340.5 1.76 20 402 7552 -14.5 -18.3 73 3.8 -15.8 80 17 335.7 336.1 295.2 343.6 2.25 21 400 7590 -14.7 -19.2 69 4.5 -16.2 80 17 335.9 336.3 295.1 343.3 2.09 22 371 8157 -17.3 -30.3 31 13.0 -20.4 84 14 339.7 339.9 295.0 342.9 0.83 23 369 8197 -17.7 -27.7 41 10.0 -20.3 84 14 339.7 340.0 295.2 343.7 1.06 24 300 9710 -29.7 -35.7 56 6.0 -30.7 95 7 343.5 343.6 295.7 345.9 0.61 25 287 10026 -32.3 -37.3 61 5.0 -33.0 104 10 344.2 344.3 295.8 346.3 0.54 26 269 10482 -35.3 -38.7 71 3.4 -35.7 116 15 346.3 346.4 296.3 348.2 0.50 27 252 10935 -38.9 -43.4 62 4.5 -39.4 128 20 347.4 347.5 296.4 348.8 0.33 28 250 10990 -39.3 -43.2 66 3.9 -39.7 130 21 347.6 347.7 296.4 349.0 0.34 29 200 12470 -52.1 -57.1 55 5.0 -52.3 155 17 350.3 350.3 296.8 350.6 0.08 30 167 13613 -62.5 -68.5 44 6.0 -62.6 127 11 351.5 351.5 297.0 351.5 0.02 31 150 14270 -66.9 -75.9 27 9.0 -67.0 110 7 354.8 354.8 297.7 354.9 0.01 32 145 14474 -67.7 -77.7 23 10.0 -67.8 108 8 356.9 356.9 298.1 356.9 0.01 33 121 15539 -76.7 -82.7 38 6.0 -76.7 97 15 359.4 359.4 298.6 359.4 0.00 34 100 16620 -82.5 -86.8 47 4.3 -82.5 85 23 368.3 368.3 300.2 368.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5798.00 m Freezing level: 572.43 mb = 4815.71 m = 15799.38 ft Wetbulb zero: 576.01 mb = 4738.27 m = 15545.32 ft Precipitable water: 2.30 inches Sfc-500 mean rel hum: 82.63 % Est. max temperature: 33.47 C = 92.25 F Sfc-Lift cond lev (LCL): 973.89 mb = 304.97 m = 1000.54 ft T: 24.69 C 700-500 lapse rate: 5.61 C/km ThetaE index: 12.68 C Layer 776.0- 730.0 mb Conv cond level (CCL): 843.33 mb = 1562.72 m = 5126.96 ft Mean mixing ratio: 16.00 g/kg Conv temperature: 33.69 C = 92.64 F Cap Strength: 3.47 C Lifted Index: -1.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.72 C Lifted Index @700 mb: 0.13 C Showalter Index: -0.47 C Risk: Thunderstorms probable Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.90 C Cross Totals Index: 20.60 C K Index: 35.90 Risk: > 80 % chance of thunderstorms Sweat Index: 247.40 Risk: None Energy Index: -0.56 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 323.73 J/kg Max Up Vert Vel: 25.45 m/s Conv Inhibition (B-): 149.58 J/kg Cap Strength: 3.47 C Lift Cond Lev (LCL): 898.73 mb = 1010.12 m = 3314.01 ft Lev Free Conv (LFC): 693.73 mb = 3218.24 m = 10558.41 ft Equ Level (EL): 263.73 mb = 10619.34 m = 34839.94 ft B at Equ Level: 322.52 J/kg Max Parcel Lev (MPL): 133.73 mb = 14950.81 m = 49050.63 ft Wind level data Storm motion: 111 at 13 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 1008 19 340 1 0.3 -0.9 | 294 14 12.5 -5.7 1 1000 72 340 5 1.7 -4.7 | 304 17 13.9 -9.4 2 925 759 75 9 -8.7 -2.3 | 334 8 3.5 -7.1 3 850 1495 60 19 -16.5 -9.5 | 17 15 -4.3 -14.2 4 700 3144 85 19 -18.9 -1.7 | 46 9 -6.7 -6.4 5 500 5870 95 21 -20.9 1.8 | 72 9 -8.7 -2.9 6 400 7590 80 17 -16.7 -3.0 | 31 9 -4.5 -7.7 7 300 9710 95 7 -7.0 0.6 | 308 7 5.2 -4.1 8 250 10990 130 21 -16.1 13.5 | 156 10 -3.9 8.8 9 200 12470 155 17 -7.2 15.4 | 205 12 5.0 10.7 10 150 14270 110 7 -6.6 2.4 | 293 6 5.6 -2.3 11 100 16620 85 23 -22.9 -2.0 | 58 13 -10.7 -6.7 Wind Parameters Mean winds (0-6000m): 81.2 at 17.4 knts Storm direction: 111.2 at 13.1 knts Shear (0-3000m) pos: 2.6 neg: 1.2 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 109.1 deg Storm rel helicity (0-3000m) pos: 74.2 neg: 0.0 tot: 74.2 m^2/s^2 ave: 24.7 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 3.9 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 9.55 Bulk Shear: 33.88 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 15 6 314 15| 7.4 0.0 7.4| 32.8 0.0 32.8 65.5 0.75| 11.2 8.5 1000 55 8 327 11| 6.5 0.0 6.5| 44.7 0.0 44.7 44.7 0.69| 9.8 6.8 1500 59 10 342 11| 4.3 2.4 6.7| 56.3 0.0 56.3 37.5 0.65| 8.9 5.8 2000 61 12 353 11| 3.4 1.8 5.2| 63.0 0.0 63.0 31.5 0.66| 7.4 4.9 2500 64 14 1 11| 2.9 1.4 4.3| 68.9 0.0 68.9 27.6 0.67| 6.4 4.3 3000 68 15 8 10| 2.6 1.2 3.7| 74.2 0.0 74.2 24.7 0.67| 5.8 3.9 4000 73 16 18 10| 2.1 0.9 3.0| 78.5 0.0 78.5 19.6 0.69| 4.6 3.1 5000 78 17 26 9| 1.8 0.7 2.5| 82.0 0.0 82.0 16.4 0.70| 3.8 2.7 6000 81 17 34 9| 1.5 0.6 2.1| 85.0 -1.2 83.8 14.0 0.69| 3.3 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251016.00.gif