UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101200.upa.cvt Date: 0000Z 12 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 12 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 1011 6 26.4 24.9 91 1.5 25.3 130 1 298.6 302.2 298.1 356.9 19.98 1 1000 100 25.6 24.6 94 1.0 24.9 100 1 298.8 302.4 298.0 356.7 19.84 2 991 180 24.8 24.4 98 0.4 24.5 103 1 298.7 302.3 298.0 356.4 19.78 3 925 786 22.0 19.5 86 2.5 20.2 130 5 301.8 304.7 296.1 347.8 15.61 4 897 1053 20.4 19.0 92 1.4 19.4 130 6 302.8 305.7 296.4 349.0 15.60 5 886 1160 20.4 14.4 68 6.0 16.4 130 7 303.9 306.1 294.0 338.8 11.72 6 850 1518 19.0 11.0 60 8.0 13.9 130 9 306.0 307.9 293.2 335.4 9.74 7 819 1837 17.6 8.6 56 9.0 12.0 135 8 307.8 309.4 292.8 334.0 8.59 8 764 2429 13.4 10.8 84 2.6 11.7 144 6 309.5 311.5 294.8 342.1 10.71 9 757 2506 13.6 6.6 63 7.0 9.4 145 5 310.5 312.0 293.2 335.4 8.10 10 735 2755 12.0 9.8 86 2.2 10.6 149 5 311.4 313.4 295.1 343.4 10.41 11 700 3163 9.8 6.9 82 2.9 8.0 155 3 313.3 315.0 294.6 341.1 8.96 12 608 4324 5.0 -3.0 56 8.0 0.8 155 2 320.7 321.7 293.6 337.1 5.05 13 607 4338 5.0 -4.0 52 9.0 0.4 155 2 320.8 321.8 293.3 336.1 4.69 14 538 5311 -1.9 -13.9 39 12.0 -6.7 155 1 323.9 324.3 292.3 332.1 2.43 15 522 5551 -3.9 -10.9 58 7.0 -6.9 155 1 324.3 324.9 293.0 334.9 3.19 16 508 5765 -4.9 -10.9 63 6.0 -7.5 155 1 325.6 326.2 293.4 336.6 3.28 17 506 5796 -4.9 -14.9 45 10.0 -8.8 155 1 326.0 326.4 292.8 334.1 2.38 18 500 5890 -5.5 -12.5 58 7.0 -8.4 155 1 326.3 326.9 293.4 336.2 2.93 19 492 6016 -6.1 -12.1 62 6.0 -8.6 150 1 327.1 327.7 293.7 337.5 3.07 20 488 6080 -6.3 -14.3 53 8.0 -9.5 148 2 327.6 328.1 293.4 336.5 2.59 21 482 6177 -5.9 -24.9 21 19.0 -11.6 144 2 329.3 329.5 292.6 333.1 1.05 22 463 6492 -6.5 -34.5 9 28.0 -13.2 133 3 332.3 332.4 292.8 334.0 0.44 23 443 6835 -8.1 -37.1 8 29.0 -14.5 120 4 334.5 334.6 293.3 335.9 0.36 24 400 7620 -13.7 -33.7 17 20.0 -18.2 90 7 337.2 337.3 294.1 339.3 0.55 25 361 8390 -19.1 -34.1 25 15.0 -22.2 81 8 340.0 340.1 294.8 342.3 0.59 26 355 8514 -19.1 -48.1 6 29.0 -23.1 80 8 341.6 341.7 294.8 342.2 0.14 27 300 9740 -28.9 -53.9 7 25.0 -31.2 65 9 344.6 344.7 295.5 345.0 0.08 28 289 10007 -30.5 -57.5 5 27.0 -32.6 65 9 346.1 346.1 295.8 346.3 0.06 29 267 10565 -35.1 -45.1 35 10.0 -36.1 65 9 347.3 347.3 296.3 348.3 0.26 30 250 11020 -38.9 -53.9 19 15.0 -39.9 65 9 348.2 348.3 296.3 348.7 0.10 31 244 11186 -40.5 -57.5 14 17.0 -41.4 66 9 348.3 348.3 296.3 348.5 0.07 32 200 12510 -52.1 -63.1 25 11.0 -52.4 75 5 350.3 350.3 296.7 350.4 0.04 33 198 12575 -52.9 -61.9 33 9.0 -53.1 76 5 350.0 350.0 296.7 350.2 0.05 34 186 12975 -56.1 -65.1 31 9.0 -56.3 85 8 351.1 351.1 296.9 351.3 0.03 35 162 13840 -62.1 -73.1 22 11.0 -62.2 104 12 355.2 355.2 297.7 355.2 0.01 36 150 14310 -66.3 -73.3 37 7.0 -66.4 115 15 355.9 355.9 297.9 355.9 0.01 37 144 14555 -68.7 -73.6 49 4.9 -68.7 109 16 355.9 355.9 297.9 355.9 0.01 38 137 14852 -71.1 -76.1 47 5.0 -71.1 103 17 356.7 356.7 298.1 356.8 0.01 39 118 15724 -75.3 -83.3 28 8.0 -75.3 82 21 364.6 364.6 299.6 364.6 0.00 40 100 16670 -80.3 -85.3 43 5.0 -80.3 60 25 372.6 372.6 301.0 372.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 557.00 mb = 5042.99 m = 16545.06 ft Wetbulb zero: 602.85 mb = 4392.97 m = 14412.46 ft Precipitable water: 2.01 inches Sfc-500 mean rel hum: 67.97 % Est. max temperature: 33.19 C = 91.74 F Sfc-Lift cond lev (LCL): 989.69 mb = 191.61 m = 628.64 ft T: 24.75 C 700-500 lapse rate: 5.61 C/km ThetaE index: 15.06 C Layer 886.0- 764.0 mb Conv cond level (CCL): 914.72 mb = 883.06 m = 2897.13 ft Mean mixing ratio: 17.80 g/kg Conv temperature: 29.97 C = 85.95 F Cap Strength: 0.79 C Lifted Index: -3.41 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.85 C Lifted Index @700 mb: -1.47 C Showalter Index: 3.27 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 16.50 C K Index: 32.60 Risk: 60-80 % chance of thunderstorms Sweat Index: 151.00 Risk: None Energy Index: 0.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 640.10 J/kg Max Up Vert Vel: 35.78 m/s Conv Inhibition (B-): 25.74 J/kg Cap Strength: 0.79 C Lift Cond Lev (LCL): 941.20 mb = 633.32 m = 2077.81 ft Lev Free Conv (LFC): 796.20 mb = 2077.35 m = 6815.38 ft Equ Level (EL): 176.20 mb = 13313.46 m = 43678.80 ft B at Equ Level: 634.58 J/kg Max Parcel Lev (MPL): 106.20 mb = 16326.22 m = 53563.06 ft Wind level data Storm motion: 169 at 3 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 1011 6 130 1 -0.8 0.6 | 6 2 -0.2 -2.1 1 1000 100 100 1 -1.0 0.2 | 9 3 -0.4 -2.6 2 925 786 130 5 -3.8 3.2 | 98 3 -3.3 0.5 3 850 1518 130 9 -6.9 5.8 | 116 7 -6.3 3.0 4 700 3163 155 3 -1.3 2.7 | 87 1 -0.7 -0.0 5 500 5890 155 1 -0.4 0.9 | 356 2 0.1 -1.9 6 400 7620 90 7 -7.0 0.0 | 67 7 -6.4 -2.8 7 300 9740 65 9 -8.2 -3.8 | 49 10 -7.6 -6.6 8 250 11020 65 9 -8.2 -3.8 | 49 10 -7.6 -6.6 9 200 12510 75 5 -4.8 -1.3 | 47 6 -4.3 -4.1 10 150 14310 115 15 -13.6 6.3 | 105 14 -13.0 3.6 11 100 16670 60 25 -21.7 -12.5 | 54 26 -21.1 -15.3 Wind Parameters Mean winds (0-6000m): 138.6 at 3.7 knts Storm direction: 168.6 at 2.8 knts Shear (0-3000m) pos: 0.6 neg: 0.9 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 6.1 neg: -0.2 tot: 5.9 m^2/s^2 ave: 2.0 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 2.5 stream: 1.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1058.52 Bulk Shear: 0.60 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 ------------------------------------------------------------------------------- 500 114 2 32 2| 0.0 2.5 2.5| 1.8 0.0 1.8 3.5 0.88| 3.0 2.7 1000 127 3 71 2| 1.5 1.2 2.8| 3.7 0.0 3.7 3.7 0.82| 3.1 2.5 1500 128 5 94 3| 1.0 1.7 2.8| 5.0 0.0 5.0 3.3 0.66| 3.0 2.0 2000 130 6 103 4| 0.5 1.3 1.8| 5.9 0.0 5.9 2.9 0.59| 2.8 1.6 2500 132 6 106 4| 0.5 1.0 1.5| 6.1 0.0 6.1 2.4 0.51| 2.6 1.3 3000 133 6 106 4| 0.6 0.9 1.5| 6.1 -0.2 5.9 2.0 0.42| 2.5 1.1 4000 135 5 104 3| 0.5 0.6 1.1| 6.1 -0.4 5.7 1.4 0.33| 2.0 0.7 5000 137 4 100 2| 0.4 0.4 0.8| 6.1 -0.5 5.6 1.1 0.28| 1.7 0.5 6000 139 4 92 2| 0.3 0.4 0.7| 6.2 -0.6 5.6 0.9 0.27| 1.5 0.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251012.00.gif