UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053000.upa.cvt Date: 0000Z 30 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 30 MAY 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 1008 6 24.0 22.1 89 1.9 22.6 350 1 296.5 299.5 295.5 345.1 16.84 1 1000 75 23.2 21.9 92 1.3 22.3 360 3 296.4 299.4 295.4 344.7 16.77 2 965 386 20.8 20.6 99 0.2 20.7 78 4 297.0 299.9 295.1 343.3 16.03 3 959 440 22.4 20.8 91 1.6 21.3 91 4 299.1 302.1 295.9 346.8 16.33 4 925 755 21.2 20.8 98 0.4 20.9 170 5 301.0 304.1 296.8 350.8 16.95 5 918 821 20.8 20.8 100 0.0 20.8 174 6 301.2 304.4 297.0 351.5 17.08 6 850 1488 19.6 17.0 85 2.6 17.8 210 11 306.7 309.4 296.7 350.3 14.49 7 747 2595 15.2 12.1 82 3.1 13.1 220 14 313.4 315.7 296.7 350.4 11.97 8 700 3144 11.8 10.3 91 1.5 10.8 225 15 315.6 317.7 296.8 350.9 11.32 9 648 3786 7.6 7.6 100 0.0 7.6 211 13 317.8 319.8 296.6 349.9 10.17 10 603 4378 4.6 4.5 99 0.1 4.5 198 11 321.0 322.7 296.4 349.1 8.80 11 575 4766 4.0 0.8 80 3.2 2.2 190 10 324.7 326.1 296.1 347.7 7.08 12 500 5890 -3.1 -3.7 96 0.6 -3.4 165 7 329.3 330.4 296.4 348.7 5.83 13 464 6478 -6.3 -6.4 99 0.1 -6.4 121 7 332.4 333.4 296.5 349.7 5.12 14 462 6512 -5.3 -7.2 86 1.9 -6.2 119 7 334.0 335.0 296.7 350.5 4.83 15 449 6736 -6.5 -9.5 79 3.0 -7.9 102 7 335.3 336.1 296.5 349.6 4.15 16 410 7440 -10.7 -11.9 91 1.2 -11.2 49 7 338.7 339.5 297.0 351.8 3.75 17 405 7535 -10.9 -14.7 74 3.8 -12.5 42 7 339.6 340.2 296.7 350.3 3.02 18 400 7630 -11.5 -14.3 80 2.8 -12.6 35 7 340.0 340.7 296.9 351.3 3.16 19 351 8622 -17.5 -23.5 59 6.0 -19.3 15 10 344.9 345.2 296.8 351.0 1.64 20 315 9424 -23.3 -30.3 53 7.0 -24.9 358 12 347.7 347.9 297.0 351.4 0.98 21 300 9780 -26.3 -32.3 57 6.0 -27.5 350 13 348.3 348.5 297.0 351.6 0.85 22 253 10997 -34.9 -47.9 25 13.0 -36.2 350 20 353.0 353.0 297.4 353.8 0.20 23 250 11080 -35.7 -47.7 28 12.0 -36.8 350 21 353.0 353.0 297.4 353.8 0.21 24 200 12580 -49.9 -53.5 66 3.6 -50.1 340 23 353.8 353.8 297.5 354.3 0.13 25 181 13222 -55.9 -58.8 70 2.9 -56.0 349 22 354.2 354.2 297.6 354.5 0.08 26 171 13581 -58.7 -61.0 75 2.3 -58.7 354 21 355.4 355.4 297.8 355.6 0.06 27 161 13956 -61.7 -66.7 51 5.0 -61.8 359 20 356.5 356.5 298.0 356.6 0.03 28 150 14390 -64.9 -68.8 58 3.9 -65.0 5 19 358.3 358.3 298.4 358.4 0.02 29 147 14513 -65.9 -70.0 56 4.1 -66.0 6 20 358.6 358.6 298.4 358.7 0.02 30 143 14679 -66.9 -78.9 17 12.0 -67.0 7 21 359.7 359.7 298.7 359.7 0.01 31 139 14849 -67.7 -80.7 14 13.0 -67.8 9 23 361.2 361.2 299.0 361.3 0.00 32 100 16760 -81.3 -84.3 60 3.0 -81.3 25 40 370.6 370.6 300.7 370.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5815.00 m Freezing level: 532.75 mb = 5399.11 m = 17713.40 ft Wetbulb zero: 545.83 mb = 5184.51 m = 17009.35 ft Precipitable water: 2.69 inches Sfc-500 mean rel hum: 90.38 % Est. max temperature: 33.56 C = 92.41 F Sfc-Lift cond lev (LCL): 980.81 mb = 244.12 m = 800.90 ft T: 21.89 C 700-500 lapse rate: 5.43 C/km ThetaE index: 1.80 C Layer 1000.0- 959.0 mb Conv cond level (CCL): 972.25 mb = 320.65 m = 1051.98 ft Mean mixing ratio: 16.60 g/kg Conv temperature: 24.36 C = 75.85 F Cap Strength: 2.93 C Lifted Index: 0.86 C Risk: Showers probable Lifted Index @300 mb: 3.68 C Lifted Index @700 mb: 2.00 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 42.80 C Risk: None Vertical Totals Index: 22.70 C Cross Totals Index: 20.10 C K Index: 38.20 Risk: > 80 % chance of thunderstorms Sweat Index: 233.00 Risk: None Energy Index: -0.37 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.93 J/kg Max Up Vert Vel: 7.47 m/s Conv Inhibition (B-): 2614.95 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 946.07 mb = 558.68 m = 1832.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 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 1008 6 350 1 0.2 -1.0 | 53 8 -6.4 -4.9 1 1000 75 360 3 -0.0 -3.0 | 44 10 -6.6 -6.9 2 925 755 170 5 -0.9 4.9 | 98 8 -7.5 1.0 3 850 1488 210 11 5.5 9.5 | 169 6 -1.1 5.6 4 700 3144 225 15 10.6 10.6 | 211 8 4.0 6.7 5 500 5890 165 7 -1.8 6.8 | 109 9 -8.4 2.8 6 400 7630 35 7 -4.0 -5.7 | 48 14 -10.6 -9.6 7 300 9780 350 13 2.3 -12.8 | 15 17 -4.4 -16.7 8 250 11080 350 21 3.6 -20.7 | 7 25 -3.0 -24.6 9 200 12580 340 23 7.9 -21.6 | 357 26 1.3 -25.5 10 150 14390 5 19 -1.7 -18.9 | 20 24 -8.3 -22.8 11 100 16760 25 40 -16.9 -36.3 | 30 47 -23.5 -40.2 Wind Parameters Mean winds (0-6000m): 209.4 at 10.2 knts Storm direction: 239.4 at 7.7 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 155.1 deg Storm rel helicity (0-3000m) pos: 48.0 neg: -2.8 tot: 45.3 m^2/s^2 ave: 15.1 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.19 Bulk Shear: 23.40 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 60 3 60 11| 5.0 0.0 5.0| 17.5 -2.8 14.7 29.5 0.56| 8.9 5.0 1000 170 4 93 7| 4.1 0.0 4.1| 31.3 -2.8 28.5 28.5 0.67| 8.3 5.6 1500 194 6 110 5| 4.1 0.0 4.1| 40.5 -2.8 37.7 25.2 0.75| 7.5 5.7 2000 203 7 127 5| 3.3 0.0 3.3| 42.8 -2.8 40.0 20.0 0.77| 6.0 4.6 2500 208 8 143 4| 2.9 0.0 2.9| 45.3 -2.8 42.5 17.0 0.78| 5.1 4.0 3000 212 9 159 4| 2.6 0.0 2.6| 48.0 -2.8 45.3 15.1 0.78| 4.6 3.6 4000 214 11 172 5| 2.0 0.6 2.6| 48.6 -12.7 35.9 9.0 0.50| 4.1 2.1 5000 212 11 169 5| 1.6 1.0 2.5| 48.6 -23.0 25.6 5.1 0.30| 3.8 1.1 6000 209 10 162 5| 1.3 1.2 2.5| 48.6 -33.0 15.7 2.6 0.16| 3.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250530.00.gif