UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101500.upa.cvt Date: 0000Z 15 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 15 OCT 25 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 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 1012 6 25.6 24.0 91 1.6 24.5 0 0 297.7 301.2 297.2 352.6 18.88 1 1000 110 24.4 23.7 96 0.7 23.9 50 3 297.5 300.9 297.1 352.0 18.76 2 945 605 21.2 21.1 99 0.1 21.2 130 9 299.2 302.2 296.3 348.5 16.90 3 932 725 22.0 17.7 77 4.3 19.1 149 10 301.2 303.7 294.7 341.7 13.80 4 925 791 21.6 17.7 78 3.9 18.9 160 11 301.4 303.9 294.9 342.3 13.91 5 850 1522 18.0 13.8 76 4.2 15.2 155 9 305.0 307.2 294.3 340.1 11.75 6 779 2266 14.4 9.9 74 4.5 11.6 162 13 308.8 310.7 294.0 338.9 9.88 7 773 2332 14.8 9.8 72 5.0 11.6 162 14 310.0 311.8 294.4 340.2 9.89 8 700 3167 10.4 6.1 75 4.3 7.8 170 19 314.0 315.6 294.4 340.4 8.47 9 597 4475 1.8 0.1 88 1.7 0.8 153 17 318.7 319.9 294.1 339.3 6.47 10 530 5429 -2.9 -2.9 100 0.0 -2.9 141 16 324.1 325.2 295.1 343.2 5.84 11 500 5890 -5.1 -5.3 98 0.2 -5.2 135 15 326.8 327.8 295.3 343.9 5.16 12 400 7610 -14.7 -15.8 91 1.1 -15.1 170 9 335.9 336.5 295.7 345.7 2.79 13 382 7958 -16.9 -18.1 90 1.2 -17.3 156 8 337.4 337.9 295.7 346.0 2.41 14 381 7977 -16.9 -18.0 91 1.1 -17.3 156 8 337.7 338.2 295.8 346.4 2.44 15 370 8197 -19.1 -22.5 74 3.4 -20.1 147 8 337.6 338.0 295.2 343.7 1.70 16 331 9019 -24.1 -24.5 96 0.4 -24.2 114 6 341.7 342.0 296.1 347.5 1.59 17 300 9730 -29.3 -32.0 77 2.7 -29.8 85 5 344.1 344.3 296.1 347.4 0.87 18 257 10811 -38.3 -42.2 67 3.9 -38.7 72 5 346.4 346.5 296.1 347.8 0.36 19 252 10946 -39.3 -41.3 81 2.0 -39.5 71 5 346.8 346.9 296.3 348.5 0.41 20 250 11000 -39.9 -42.8 74 2.9 -40.2 70 5 346.7 346.8 296.2 348.2 0.35 21 232 11508 -44.1 -49.1 57 5.0 -44.5 48 5 347.9 347.9 296.3 348.6 0.19 22 231 11537 -44.3 -54.3 32 10.0 -44.8 47 5 348.0 348.0 296.3 348.4 0.10 23 217 11955 -47.7 -57.7 31 10.0 -48.1 29 5 349.0 349.0 296.5 349.3 0.07 24 200 12490 -52.7 -58.7 48 6.0 -52.9 5 5 349.3 349.3 296.5 349.6 0.07 25 182 13089 -58.3 -61.5 67 3.2 -58.4 7 8 349.7 349.8 296.6 350.0 0.05 26 169 13548 -62.9 -67.5 54 4.6 -63.0 8 10 349.6 349.6 296.5 349.7 0.03 27 150 14270 -68.5 -74.5 42 6.0 -68.5 10 13 352.1 352.1 297.1 352.1 0.01 28 143 14556 -69.9 -75.9 41 6.0 -69.9 16 12 354.5 354.5 297.6 354.5 0.01 29 113 15946 -74.5 -85.5 17 11.0 -74.5 45 9 370.6 370.6 300.7 370.6 0.00 30 100 16650 -79.1 -87.1 26 8.0 -79.1 60 7 374.9 374.9 301.4 374.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5780.00 m Freezing level: 571.34 mb = 4840.14 m = 15879.52 ft Wetbulb zero: 581.99 mb = 4678.79 m = 15350.18 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 84.23 % Est. max temperature: 32.29 C = 90.13 F Sfc-Lift cond lev (LCL): 989.17 mb = 205.26 m = 673.42 ft T: 23.78 C 700-500 lapse rate: 5.69 C/km ThetaE index: 10.84 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 892.19 mb = 1103.24 m = 3619.50 ft Mean mixing ratio: 16.77 g/kg Conv temperature: 30.82 C = 87.48 F Cap Strength: 1.41 C Lifted Index: -1.49 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.09 C Lifted Index @700 mb: 0.30 C Showalter Index: 1.62 C Risk: Showers probable Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 23.10 C Cross Totals Index: 18.90 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 198.60 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 274.12 J/kg Max Up Vert Vel: 23.41 m/s Conv Inhibition (B-): 63.09 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 942.27 mb = 629.88 m = 2066.51 ft Lev Free Conv (LFC): 677.27 mb = 3438.19 m = 11280.01 ft Equ Level (EL): 297.27 mb = 9793.85 m = 32131.66 ft B at Equ Level: 273.67 J/kg Max Parcel Lev (MPL): 137.27 mb = 14797.53 m = 48547.73 ft Wind level data Storm motion: 187 at 10 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 1012 6 0 0 -0.0 -0.0 | 7 10 -1.3 -10.4 1 1000 110 50 3 -2.3 -1.9 | 16 13 -3.6 -12.3 2 925 791 160 11 -3.8 10.3 | 89 5 -5.0 -0.1 3 850 1522 155 9 -3.8 8.2 | 66 6 -5.1 -2.3 4 700 3167 170 19 -3.3 18.7 | 151 9 -4.6 8.3 5 500 5890 135 15 -10.6 10.6 | 91 12 -11.9 0.2 6 400 7610 170 9 -1.6 8.9 | 61 3 -2.8 -1.5 7 300 9730 85 5 -5.0 -0.4 | 30 13 -6.2 -10.8 8 250 11000 70 5 -4.7 -1.7 | 26 14 -6.0 -12.1 9 200 12490 5 5 -0.4 -5.0 | 6 15 -1.7 -15.4 10 150 14270 10 13 -2.3 -12.8 | 9 23 -3.5 -23.2 11 100 16650 60 7 -6.1 -3.5 | 28 16 -7.3 -13.9 Wind Parameters Mean winds (0-6000m): 156.9 at 14.0 knts Storm direction: 186.9 at 10.5 knts Shear (0-3000m) pos: 3.3 neg: 0.3 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 139.3 deg Storm rel helicity (0-3000m) pos: 55.2 neg: -2.8 tot: 52.4 m^2/s^2 ave: 17.5 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 3.6 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 13.05 Bulk Shear: 21.01 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 94 5 30 12| 7.9 0.0 7.9| 29.0 0.0 29.0 58.1 0.84| 10.9 9.2 1000 149 7 50 7| 5.4 0.0 5.4| 40.9 -0.8 40.1 40.1 0.72| 10.0 7.1 1500 153 8 57 6| 3.6 0.5 4.1| 40.9 -2.8 38.1 25.4 0.60| 7.2 4.3 2000 154 9 62 6| 3.4 0.4 3.8| 45.2 -2.8 42.3 21.2 0.65| 6.1 4.0 2500 157 10 73 5| 3.4 0.3 3.7| 49.9 -2.8 47.1 18.8 0.68| 5.6 3.8 3000 160 11 87 5| 3.3 0.3 3.6| 55.2 -2.8 52.4 17.5 0.69| 5.2 3.6 4000 162 13 108 5| 2.5 0.5 3.0| 56.7 -11.6 45.0 11.3 0.52| 4.5 2.3 5000 160 14 112 6| 2.0 0.8 2.8| 56.7 -22.4 34.3 6.9 0.36| 4.0 1.5 6000 157 14 110 7| 1.7 0.9 2.6| 57.0 -31.8 25.2 4.2 0.26| 3.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251015.00.gif