UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101412.upa.cvt Date: 1200Z 14 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 14 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 26.6 23.7 84 2.9 24.5 45 1 298.8 302.2 297.3 352.9 18.55 1 1000 100 26.0 23.5 86 2.5 24.2 60 3 299.1 302.5 297.3 353.3 18.53 2 925 784 21.6 20.5 93 1.1 20.8 100 5 301.4 304.4 296.7 350.4 16.63 3 850 1517 18.0 16.7 92 1.3 17.1 125 11 305.0 307.6 296.1 347.5 14.21 4 771 2347 13.0 12.9 99 0.1 13.0 122 11 308.2 310.5 295.6 345.3 12.22 5 704 3111 11.0 6.1 72 4.9 8.0 120 11 314.2 315.8 294.4 340.4 8.42 6 700 3159 10.8 6.2 73 4.6 8.0 120 11 314.4 316.1 294.6 341.1 8.53 7 678 3424 9.2 5.3 77 3.9 6.9 125 12 315.5 317.1 294.7 341.5 8.27 8 519 5595 -1.9 -7.9 63 6.0 -4.7 164 16 327.2 328.0 294.5 340.8 4.07 9 500 5890 -4.3 -7.5 78 3.2 -5.8 170 17 327.8 328.7 294.9 342.4 4.36 10 498 5922 -4.7 -7.6 80 2.9 -6.1 170 17 327.7 328.6 294.8 342.2 4.34 11 476 6276 -6.1 -9.5 77 3.4 -7.7 168 16 330.2 331.0 295.1 343.5 3.91 12 468 6409 -6.7 -12.7 62 6.0 -9.2 167 16 331.1 331.7 294.7 341.7 3.08 13 466 6443 -6.3 -14.3 53 8.0 -9.5 167 16 332.0 332.5 294.7 341.4 2.71 14 436 6960 -10.1 -12.8 81 2.7 -11.2 164 15 333.5 334.2 295.5 344.9 3.28 15 419 7266 -11.5 -19.5 52 8.0 -14.2 162 14 335.6 336.0 294.9 342.5 1.95 16 405 7526 -13.7 -15.9 83 2.2 -14.5 161 13 336.0 336.5 295.7 345.6 2.73 17 403 7563 -13.7 -19.7 60 6.0 -15.7 160 13 336.5 336.9 295.2 343.6 1.99 18 400 7620 -14.3 -19.3 66 5.0 -16.0 160 13 336.4 336.8 295.2 343.8 2.08 19 391 7793 -15.3 -19.1 73 3.8 -16.6 164 13 337.3 337.7 295.5 345.0 2.16 20 389 7832 -15.3 -23.3 50 8.0 -17.7 165 13 337.8 338.1 295.1 343.3 1.50 21 370 8210 -17.3 -28.3 38 11.0 -20.1 175 12 340.0 340.2 295.2 343.7 1.00 22 364 8333 -18.1 -26.1 50 8.0 -20.3 178 12 340.5 340.8 295.6 345.2 1.25 23 345 8732 -21.9 -27.9 58 6.0 -23.4 188 11 340.6 340.9 295.4 344.8 1.12 24 325 9171 -24.9 -26.8 84 1.9 -25.4 200 10 342.4 342.6 296.0 347.3 1.31 25 300 9750 -28.9 -32.2 73 3.3 -29.5 215 9 344.6 344.8 296.2 347.9 0.86 26 278 10287 -33.1 -36.7 70 3.6 -33.6 179 6 346.2 346.3 296.3 348.5 0.59 27 250 11020 -39.5 -44.4 60 4.9 -39.9 130 3 347.3 347.4 296.3 348.5 0.29 28 205 12349 -51.1 -59.1 38 8.0 -51.4 130 5 349.4 349.4 296.5 349.7 0.06 29 200 12510 -52.7 -59.7 42 7.0 -52.9 130 5 349.3 349.3 296.5 349.6 0.06 30 188 12904 -56.3 -62.3 47 6.0 -56.4 110 5 349.7 349.8 296.6 349.9 0.05 31 170 13534 -60.1 -74.1 14 14.0 -60.3 76 6 353.6 353.7 297.4 353.7 0.01 32 150 14300 -66.1 -76.1 23 10.0 -66.2 35 7 356.2 356.2 298.0 356.3 0.01 33 132 15068 -72.1 -77.1 47 5.0 -72.1 85 5 358.8 358.8 298.5 358.8 0.01 34 100 16680 -79.7 -87.7 25 8.0 -79.7 195 1 373.7 373.7 301.2 373.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 546.22 mb = 5223.09 m = 17135.91 ft Wetbulb zero: 583.77 mb = 4639.47 m = 15221.18 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 81.03 % Est. max temperature: 32.26 C = 90.06 F Sfc-Lift cond lev (LCL): 969.72 mb = 369.79 m = 1213.19 ft T: 24.26 C 700-500 lapse rate: 5.53 C/km ThetaE index: 12.88 C Layer 925.0- 700.0 mb Conv cond level (CCL): 915.92 mb = 869.54 m = 2852.77 ft Mean mixing ratio: 17.51 g/kg Conv temperature: 29.61 C = 85.30 F Cap Strength: 0.70 C Lifted Index: -1.98 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.50 C Lifted Index @700 mb: -0.29 C Showalter Index: -0.45 C Risk: Thunderstorms probable Total Totals Index: 43.30 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 21.00 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 239.40 Risk: None Energy Index: -1.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 571.55 J/kg Max Up Vert Vel: 33.81 m/s Conv Inhibition (B-): 5.89 J/kg Cap Strength: 0.70 C Lift Cond Lev (LCL): 935.88 mb = 681.38 m = 2235.48 ft Lev Free Conv (LFC): 870.88 mb = 1306.60 m = 4286.70 ft Equ Level (EL): 170.88 mb = 13501.50 m = 44295.73 ft B at Equ Level: 554.30 J/kg Max Parcel Lev (MPL): 110.88 mb = 16080.31 m = 52756.28 ft Wind level data Storm motion: 168 at 8 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 45 1 -0.7 -0.7 | 353 9 1.0 -9.0 1 1000 100 60 3 -2.6 -1.5 | 5 10 -0.8 -9.8 2 925 784 100 5 -4.9 0.9 | 23 8 -3.2 -7.4 3 850 1517 125 11 -9.0 6.3 | 75 8 -7.3 -2.0 4 700 3159 120 11 -9.5 5.5 | 70 8 -7.8 -2.8 5 500 5890 170 17 -3.0 16.7 | 172 9 -1.2 8.5 6 400 7620 160 13 -4.4 12.2 | 146 5 -2.7 4.0 7 300 9750 215 9 5.2 7.4 | 277 7 6.9 -0.9 8 250 11020 130 3 -2.3 1.9 | 5 6 -0.5 -6.3 9 200 12510 130 5 -3.8 3.2 | 22 5 -2.1 -5.1 10 150 14300 35 7 -4.0 -5.7 | 9 14 -2.3 -14.0 11 100 16680 195 1 0.3 1.0 | 345 8 2.0 -7.3 Wind Parameters Mean winds (0-6000m): 138.0 at 11.3 knts Storm direction: 168.0 at 8.4 knts Shear (0-3000m) pos: 1.8 neg: 0.1 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 77.5 deg Storm rel helicity (0-3000m) pos: 25.8 neg: -1.1 tot: 24.7 m^2/s^2 ave: 8.2 10^-3 m/s^2 rel: 0.85 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.9 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 40.04 Bulk Shear: 14.27 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 72 3 8 9| 3.6 0.0 3.6| 9.1 0.0 9.1 18.1 0.92| 4.1 3.7 1000 90 4 17 9| 3.3 0.0 3.3| 15.8 0.0 15.8 15.8 0.91| 3.8 3.5 1500 106 6 30 8| 3.7 0.0 3.7| 25.6 0.0 25.6 17.1 0.94| 4.2 4.0 2000 113 7 41 7| 2.8 0.1 2.8| 25.8 -0.3 25.5 12.7 0.91| 3.3 3.0 2500 116 8 48 7| 2.2 0.1 2.3| 25.8 -0.7 25.1 10.0 0.88| 2.7 2.3 3000 117 8 52 7| 1.8 0.1 2.0| 25.8 -1.1 24.7 8.2 0.85| 2.3 1.9 4000 120 9 60 7| 1.7 0.1 1.8| 33.1 -1.2 31.9 8.0 0.87| 2.2 1.9 5000 128 10 72 7| 1.6 0.1 1.7| 42.4 -1.2 41.2 8.2 0.90| 2.3 2.0 6000 138 11 91 6| 1.5 0.1 1.6| 52.0 -1.5 50.5 8.4 0.89| 2.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251014.12.gif