UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060112.upa.cvt Date: 1200Z 1 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 1 JUN 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 ------------------------------------------------------------------------------- 0 1000 -22 225 1 SFC 997 6 35.4 23.4 50 12.0 26.4 225 1 308.8 312.3 299.7 365.0 18.47 2 991 61 36.8 21.8 42 15.0 25.7 227 2 310.8 313.9 299.1 362.2 16.82 3 925 687 31.6 19.6 49 12.0 22.9 255 19 311.6 314.6 298.7 359.8 15.71 4 850 1440 25.4 17.4 61 8.0 19.7 275 27 312.8 315.6 298.4 358.6 14.87 5 818 1777 22.4 16.4 69 6.0 18.2 281 25 313.0 315.8 298.2 357.7 14.50 6 706 3044 14.6 9.8 73 4.8 11.4 304 17 317.9 320.0 297.1 352.0 10.85 7 700 3116 14.8 8.8 67 6.0 10.9 305 17 318.9 320.9 296.9 351.2 10.22 8 694 3189 15.0 8.0 63 7.0 10.5 304 17 319.9 321.8 296.8 350.9 9.75 9 663 3575 14.0 4.0 51 10.0 7.9 296 15 323.0 324.5 296.2 347.9 7.72 10 605 4339 7.6 2.6 71 5.0 4.6 281 13 324.1 325.7 296.4 349.0 7.66 11 542 5238 3.0 -3.0 65 6.0 -0.2 263 9 329.0 330.2 296.2 347.9 5.67 12 529 5435 3.2 -5.8 52 9.0 -1.4 259 9 331.6 332.5 296.1 347.4 4.69 13 500 5890 -0.3 -7.3 59 7.0 -3.8 250 7 332.7 333.6 296.1 347.8 4.43 14 448 6761 -6.3 -12.3 62 6.0 -8.9 280 4 335.7 336.4 296.0 347.3 3.32 15 400 7640 -11.5 -20.5 47 9.0 -14.6 310 1 340.0 340.4 295.9 346.8 1.87 16 320 9318 -21.3 -42.3 13 21.0 -24.8 39 9 348.9 348.9 296.7 350.1 0.29 17 300 9790 -25.3 -44.3 15 19.0 -28.0 65 11 349.7 349.8 296.8 350.8 0.25 18 267 10627 -31.9 -54.9 8 23.0 -33.8 94 12 352.0 352.0 297.1 352.3 0.08 19 250 11090 -35.3 -48.3 25 13.0 -36.5 110 13 353.6 353.6 297.5 354.4 0.19 20 229 11690 -41.1 -51.1 33 10.0 -41.8 108 16 353.7 353.8 297.5 354.4 0.15 21 221 11929 -42.7 -56.7 20 14.0 -43.5 107 17 354.9 354.9 297.7 355.2 0.08 22 204 12460 -47.5 -51.9 60 4.4 -47.7 105 20 355.5 355.6 298.0 356.2 0.16 23 200 12590 -48.3 -52.6 61 4.3 -48.5 105 21 356.3 356.3 298.1 356.9 0.15 24 158 14099 -60.7 -66.7 45 6.0 -60.8 97 24 360.1 360.1 298.7 360.3 0.03 25 150 14420 -63.7 -68.6 51 4.9 -63.8 95 25 360.3 360.4 298.8 360.5 0.02 26 129 15331 -71.5 -75.8 53 4.3 -71.5 95 30 362.2 362.2 299.1 362.3 0.01 27 119 15805 -74.7 -77.5 65 2.8 -74.7 95 32 364.8 364.8 299.6 364.8 0.01 28 111 16208 -77.1 -83.1 38 6.0 -77.1 95 35 367.6 367.6 300.1 367.6 0.00 29 100 16810 -76.5 -85.5 23 9.0 -76.5 95 38 379.9 379.9 302.2 379.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5912.00 m Freezing level: 502.49 mb = 5851.03 m = 19196.06 ft Wetbulb zero: 544.78 mb = 5196.52 m = 17048.73 ft Precipitable water: 2.41 inches Sfc-500 mean rel hum: 61.29 % Est. max temperature: 39.36 C = 102.85 F Sfc-Lift cond lev (LCL): 839.67 mb = 1547.22 m = 5076.13 ft T: 24.44 C 700-500 lapse rate: 5.44 C/km ThetaE index: 17.05 C Layer 991.0- 605.0 mb Conv cond level (CCL): 728.09 mb = 2778.39 m = 9115.35 ft Mean mixing ratio: 16.14 g/kg Conv temperature: 43.45 C = 110.21 F Cap Strength: 2.84 C Lifted Index: -0.91 C Risk: Thunderstorms probable Lifted Index @300 mb: -2.41 C Lifted Index @700 mb: 1.45 C Showalter Index: -0.20 C Risk: Thunderstorms probable Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 25.70 C Cross Totals Index: 17.70 C K Index: 37.10 Risk: > 80 % chance of thunderstorms Sweat Index: 269.80 Risk: None Energy Index: -2.05 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 734.59 J/kg Max Up Vert Vel: 38.33 m/s Conv Inhibition (B-): 188.59 J/kg Cap Strength: 2.84 C Lift Cond Lev (LCL): 786.43 mb = 2115.15 m = 6939.37 ft Lev Free Conv (LFC): 611.43 mb = 4250.69 m = 13945.65 ft Equ Level (EL): 521.43 mb = 5551.52 m = 18213.42 ft B at Equ Level: 26.05 J/kg Wind level data Storm motion: 312 at 12 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 ---------------------------------------------------------- 0 997 6 225 1 0.7 0.7 | 136 12 -8.1 8.5 1 925 687 255 19 18.4 4.9 | 217 16 9.5 12.8 2 850 1440 275 27 26.9 -2.4 | 253 19 18.0 5.5 3 700 3116 305 17 13.9 -9.8 | 291 5 5.1 -1.9 4 500 5890 250 7 6.6 2.4 | 167 10 -2.3 10.2 5 400 7640 310 1 0.8 -0.6 | 132 11 -8.1 7.2 6 300 9790 65 11 -10.0 -4.6 | 100 19 -18.8 3.2 7 250 11090 110 13 -12.2 4.4 | 120 24 -21.1 12.3 8 200 12590 105 21 -20.3 5.4 | 114 32 -29.1 13.3 9 150 14420 95 25 -24.9 2.2 | 107 35 -33.8 10.0 10 100 16810 95 38 -37.9 3.3 | 103 48 -46.7 11.2 Wind Parameters Mean winds (0-6000m): 281.5 at 15.8 knts Storm direction: 311.5 at 11.8 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 150.3 deg Storm rel helicity (0-3000m) pos: 136.9 neg: 0.0 tot: 136.9 m^2/s^2 ave: 45.6 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.2 10^-3/s Energy-Hel index: 0.58 Bulk Rich Number: 59.89 Bulk Shear: 12.27 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 ------------------------------------------------------------------------------- 500 255 8 171 10| 13.7 0.0 13.7| 44.2 0.0 44.2 88.3 0.98| 14.0 13.8 1000 257 13 201 12| 11.1 0.0 11.1| 83.0 0.0 83.0 83.0 0.97| 12.1 11.7 1500 264 17 221 13| 8.9 0.0 8.9|115.4 0.0 115.4 76.9 0.97| 10.5 10.2 2000 269 19 232 13| 6.0 0.0 6.0|126.2 0.0 126.2 63.1 0.90| 9.2 8.3 2500 273 20 239 13| 4.2 0.0 4.2|133.0 0.0 133.0 53.2 0.85| 8.3 7.1 3000 277 20 243 12| 3.0 0.0 3.0|136.9 0.0 136.9 45.6 0.81| 7.6 6.2 4000 281 19 246 10| 2.2 0.7 3.0|137.5 -7.7 129.8 32.4 0.61| 6.6 4.0 5000 281 17 242 9| 1.8 1.1 2.9|137.5 -16.5 121.0 24.2 0.46| 5.8 2.7 6000 282 16 235 8| 1.5 1.2 2.7|137.5 -26.4 111.1 18.5 0.36| 5.2 1.9 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250601.12.gif