UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 20 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 1014 6 26.0 20.0 70 6.0 21.8 340 3 298.0 300.6 294.4 340.5 14.67 1 1000 128 25.0 20.0 74 5.0 21.5 360 7 298.1 300.9 294.6 341.3 14.88 2 938 687 20.6 17.0 80 3.6 18.2 37 22 299.2 301.6 293.7 337.4 13.10 3 925 808 20.6 16.2 76 4.4 17.7 45 25 300.4 302.7 293.7 337.4 12.62 4 918 874 20.8 16.0 74 4.8 17.5 47 23 301.2 303.5 293.9 338.2 12.55 5 850 1537 16.8 14.7 87 2.1 15.4 70 5 303.7 306.1 294.5 340.8 12.47 6 814 1905 13.6 13.6 100 0.0 13.6 66 6 304.1 306.4 294.4 340.2 12.12 7 771 2361 11.2 8.6 84 2.6 9.6 60 8 306.3 308.0 292.7 333.9 9.14 8 700 3166 8.8 -1.2 49 10.0 3.6 50 11 312.2 313.2 291.2 328.0 5.01 9 625 4099 6.0 -11.0 28 17.0 -1.4 70 9 319.3 319.8 291.2 328.1 2.64 10 614 4244 5.2 -14.8 22 20.0 -2.8 73 9 320.0 320.4 290.7 326.7 1.97 11 596 4486 3.4 -8.6 41 12.0 -2.1 79 8 320.7 321.3 292.2 331.7 3.35 12 553 5090 0.0 -12.0 40 12.0 -5.1 92 7 323.6 324.1 292.5 332.8 2.76 13 548 5162 -0.5 -20.5 20 20.0 -7.4 94 7 323.8 324.1 291.3 328.6 1.36 14 541 5265 -1.3 -9.3 54 8.0 -4.9 96 6 324.1 324.8 293.2 335.7 3.49 15 522 5549 -2.3 -18.3 28 16.0 -8.1 102 6 326.2 326.5 292.3 332.2 1.73 16 518 5611 -2.7 -10.7 54 8.0 -6.2 104 6 326.4 327.1 293.7 337.4 3.27 17 500 5890 -4.7 -14.7 45 10.0 -8.7 110 5 327.3 327.8 293.2 335.7 2.45 18 479 6226 -7.5 -15.5 53 8.0 -10.5 122 5 327.9 328.4 293.3 336.1 2.39 19 447 6762 -9.9 -32.9 13 23.0 -15.3 140 4 331.4 331.5 292.6 333.4 0.54 20 417 7294 -14.1 -26.1 35 12.0 -17.3 159 3 332.7 332.9 293.5 336.6 1.09 21 413 7368 -14.5 -23.5 46 9.0 -17.1 161 3 333.1 333.4 293.9 338.1 1.39 22 400 7610 -14.9 -29.9 27 15.0 -18.6 170 3 335.6 335.8 294.0 338.6 0.80 23 379 8016 -17.3 -45.3 7 28.0 -21.6 168 3 337.7 337.7 293.9 338.4 0.18 24 346 8694 -21.9 -34.9 30 13.0 -24.4 165 3 340.4 340.5 294.9 342.5 0.57 25 340 8822 -22.3 -47.3 8 25.0 -25.6 164 3 341.5 341.5 294.8 342.2 0.16 26 334 8953 -23.1 -49.1 7 26.0 -26.3 164 3 342.2 342.2 295.0 342.7 0.13 27 324 9175 -25.1 -50.1 8 25.0 -27.9 163 3 342.4 342.4 295.0 342.9 0.12 28 320 9265 -25.9 -36.9 35 11.0 -27.8 162 3 342.5 342.6 295.4 344.5 0.50 29 315 9379 -26.3 -44.3 17 18.0 -28.6 162 3 343.5 343.5 295.4 344.4 0.24 30 300 9730 -29.5 -42.5 27 13.0 -31.2 160 3 343.8 343.9 295.5 345.0 0.30 31 296 9825 -30.3 -41.3 33 11.0 -31.7 165 4 344.0 344.1 295.6 345.4 0.35 32 267 10548 -36.5 -53.5 16 17.0 -37.7 202 8 345.2 345.3 295.7 345.7 0.10 33 263 10653 -37.5 -51.5 22 14.0 -38.5 207 9 345.3 345.3 295.7 345.8 0.13 34 250 11000 -40.1 -58.1 13 18.0 -41.1 225 11 346.4 346.5 295.9 346.7 0.06 35 200 12480 -52.7 -63.7 25 11.0 -52.9 215 19 349.3 349.3 296.5 349.5 0.04 36 188 12875 -56.3 -64.3 36 8.0 -56.5 213 19 349.7 349.8 296.6 349.9 0.04 37 172 13433 -60.3 -72.3 19 12.0 -60.4 210 20 352.1 352.1 297.1 352.2 0.01 38 155 14072 -65.9 -70.9 50 5.0 -66.0 206 21 353.2 353.2 297.3 353.3 0.02 39 150 14270 -66.9 -73.9 37 7.0 -67.0 205 21 354.8 354.8 297.7 354.9 0.01 40 148 14351 -67.3 -76.3 27 9.0 -67.4 205 21 355.5 355.5 297.8 355.5 0.01 41 129 15171 -71.9 -81.9 21 10.0 -71.9 205 16 361.5 361.5 299.0 361.5 0.00 42 100 16640 -81.1 -85.2 50 4.1 -81.1 205 7 371.0 371.0 300.8 371.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5762.00 m Freezing level: 553.00 mb = 5089.63 m = 16698.06 ft Wetbulb zero: 645.88 mb = 3828.23 m = 12559.67 ft Precipitable water: 1.74 inches Sfc-500 mean rel hum: 59.97 % Est. max temperature: 31.27 C = 88.29 F Sfc-Lift cond lev (LCL): 929.18 mb = 768.90 m = 2522.62 ft T: 20.60 C 700-500 lapse rate: 4.96 C/km ThetaE index: 12.85 C Layer 814.0- 625.0 mb Conv cond level (CCL): 841.84 mb = 1618.88 m = 5311.23 ft Mean mixing ratio: 13.78 g/kg Conv temperature: 31.90 C = 89.41 F Cap Strength: 3.23 C Lifted Index: 2.43 C Risk: None Lifted Index @300 mb: 5.05 C Lifted Index @700 mb: 1.40 C Showalter Index: 1.73 C Risk: Showers probable Total Totals Index: 40.90 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.40 C K Index: 26.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 191.40 Risk: None Energy Index: -1.02 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.03 J/kg Max Up Vert Vel: 4.48 m/s Conv Inhibition (B-): 3543.69 J/kg Cap Strength: 3.22 C Lift Cond Lev (LCL): 902.54 mb = 1020.23 m = 3347.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 85 at 7 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 1014 6 340 3 1.0 -2.8 | 285 8 8.2 -2.2 1 1000 128 360 7 -0.0 -7.0 | 312 10 7.2 -6.4 2 925 808 45 25 -17.7 -17.7 | 32 20 -10.5 -17.1 3 850 1537 70 5 -4.7 -1.7 | 295 3 2.5 -1.1 4 700 3166 50 11 -8.4 -7.1 | 11 7 -1.3 -6.5 5 500 5890 110 5 -4.7 1.7 | 227 3 2.5 2.3 6 400 7610 170 3 -0.5 3.0 | 242 8 6.6 3.5 7 300 9730 160 3 -1.0 2.8 | 241 7 6.1 3.4 8 250 11000 225 11 7.8 7.8 | 241 17 14.9 8.4 9 200 12480 215 19 10.9 15.6 | 228 24 18.1 16.1 10 150 14270 205 21 8.9 19.0 | 219 25 16.0 19.6 11 100 16640 205 7 3.0 6.3 | 236 12 10.1 6.9 Wind Parameters Mean winds (0-6000m): 55.3 at 9.6 knts Storm direction: 85.3 at 7.2 knts Shear (0-3000m) pos: 1.1 neg: 0.9 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 84.9 deg Storm rel helicity (0-3000m) pos: 94.7 neg: -4.6 tot: 90.1 m^2/s^2 ave: 30.0 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 9.1 stream: 4.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.60 Bulk Shear: 6.26 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 10 334 10| 15.5 0.0 15.5| 42.1 0.0 42.1 84.2 0.91| 16.2 14.7 1000 38 16 12 12| 9.7 0.0 9.7| 91.0 0.0 91.0 91.0 0.77| 16.7 12.9 1500 41 15 14 11| 2.2 0.0 2.2| 91.7 -4.3 87.4 58.3 0.43| 16.1 7.0 2000 44 13 11 9| 1.7 0.3 1.9| 92.7 -4.6 88.1 44.0 0.43| 12.6 5.5 2500 46 12 9 8| 1.3 0.6 2.0| 93.8 -4.6 89.2 35.7 0.45| 10.5 4.7 3000 47 11 9 7| 1.1 0.9 2.0| 94.7 -4.6 90.1 30.0 0.44| 9.1 4.0 4000 49 11 10 7| 1.0 0.7 1.7| 96.5 -4.6 91.9 23.0 0.43| 7.4 3.2 5000 53 10 11 6| 0.9 0.5 1.4| 96.9 -4.6 92.3 18.5 0.43| 6.3 2.7 6000 55 10 8 5| 0.8 0.4 1.3| 97.4 -4.6 92.8 15.5 0.42| 5.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251020.00.gif