UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061812.upa.cvt Date: 1200Z 18 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 18 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 ------------------------------------------------------------------------------- SFC 1002 6 33.2 25.2 63 8.0 27.1 145 3 306.2 310.0 300.2 368.1 20.54 1 1000 21 33.2 25.2 63 8.0 27.1 145 3 306.4 310.2 300.3 368.4 20.58 2 925 720 26.8 22.8 79 4.0 23.8 185 17 306.7 310.3 299.6 364.7 19.22 3 915 816 26.0 22.7 82 3.3 23.6 191 16 306.8 310.5 299.7 365.2 19.32 4 850 1464 21.8 19.3 86 2.5 20.0 235 11 309.0 312.1 298.7 360.1 16.81 5 788 2118 17.4 15.7 90 1.7 16.3 239 13 311.0 313.8 297.7 355.1 14.39 6 741 2643 14.4 10.8 79 3.6 12.0 242 15 313.3 315.4 296.1 347.5 11.05 7 732 2746 14.8 10.2 74 4.6 11.8 243 16 314.8 316.9 296.3 348.3 10.74 8 700 3125 13.6 6.6 63 7.0 9.2 245 17 317.5 319.2 295.6 345.2 8.77 9 686 3296 12.8 6.8 67 6.0 9.0 247 17 318.5 320.3 296.0 347.2 9.08 10 615 4204 5.4 5.1 98 0.3 5.2 257 15 320.1 321.9 296.4 348.8 9.00 11 522 5535 -0.5 -1.4 94 0.9 -1.0 271 14 328.4 329.7 296.7 350.3 6.64 12 500 5880 -1.5 -3.9 84 2.4 -2.8 275 13 331.2 332.4 296.7 350.5 5.74 13 476 6270 -2.9 -7.8 69 4.9 -5.3 278 12 334.2 335.1 296.5 349.5 4.47 14 432 7028 -9.1 -10.6 89 1.5 -9.8 285 9 335.7 336.5 296.5 349.4 3.95 15 416 7319 -9.7 -13.9 71 4.2 -11.5 287 8 338.6 339.2 296.5 349.6 3.14 16 400 7620 -12.3 -14.3 85 2.0 -13.1 290 7 339.0 339.7 296.7 350.2 3.16 17 377 8072 -14.3 -18.9 68 4.6 -15.9 291 6 342.1 342.6 296.7 350.4 2.28 18 335 8959 -20.7 -23.9 75 3.2 -21.6 293 5 345.2 345.5 296.9 351.3 1.66 19 306 9626 -24.3 -36.3 32 12.0 -26.5 295 3 349.2 349.3 296.9 351.4 0.56 20 300 9770 -25.7 -37.7 32 12.0 -27.8 295 3 349.2 349.3 296.9 351.1 0.50 21 250 11060 -36.9 -40.9 66 4.0 -37.4 355 7 351.2 351.3 297.3 352.9 0.43 22 235 11484 -40.5 -42.8 78 2.3 -40.7 13 11 352.0 352.1 297.4 353.5 0.37 23 219 11959 -43.9 -50.9 46 7.0 -44.3 34 15 354.0 354.0 297.6 354.6 0.16 24 200 12560 -48.9 -53.9 56 5.0 -49.1 60 21 355.3 355.4 297.9 355.9 0.13 25 192 12826 -51.3 -56.1 56 4.8 -51.5 56 25 355.7 355.7 297.9 356.1 0.10 26 181 13206 -53.9 -62.9 32 9.0 -54.1 51 30 357.5 357.5 298.2 357.7 0.04 27 153 14259 -63.3 -67.3 58 4.0 -63.4 37 44 359.0 359.0 298.5 359.1 0.03 28 150 14380 -64.3 -69.3 50 5.0 -64.4 35 46 359.3 359.3 298.6 359.4 0.02 29 141 14756 -67.7 -74.7 36 7.0 -67.8 35 53 359.8 359.8 298.7 359.8 0.01 30 132 15150 -70.9 -77.1 39 6.2 -71.0 35 60 360.8 360.8 298.9 360.9 0.01 31 130 15240 -71.7 -77.7 40 6.0 -71.7 36 58 361.1 361.1 298.9 361.1 0.01 32 105 16480 -78.7 -84.7 37 6.0 -78.7 56 36 370.5 370.5 300.7 370.5 0.00 33 103 16590 -76.9 -83.9 32 7.0 -76.9 57 34 376.0 376.0 301.6 376.0 0.00 34 100 16760 -77.3 -84.3 32 7.0 -77.3 60 31 378.4 378.4 302.0 378.4 0.00 TRP WND 132 15150 -70.9 -77.1 39 6.2 -71.0 35 60 360.8 360.8 298.9 360.9 0.01 Sounding variables and indices 1000-500 mb thick: 5859.00 m Freezing level: 529.88 mb = 5422.27 m = 17789.38 ft Wetbulb zero: 536.62 mb = 5310.86 m = 17423.86 ft Precipitable water: 2.81 inches Sfc-500 mean rel hum: 83.94 % Est. max temperature: 35.94 C = 96.70 F Sfc-Lift cond lev (LCL): 893.49 mb = 1025.49 m = 3364.44 ft T: 24.64 C 700-500 lapse rate: 5.48 C/km ThetaE index: 17.70 C Layer 850.0- 732.0 mb Conv cond level (CCL): 851.27 mb = 1450.88 m = 4760.06 ft Mean mixing ratio: 19.74 g/kg Conv temperature: 35.96 C = 96.73 F Cap Strength: 1.31 C Lifted Index: -3.72 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -5.33 C Lifted Index @700 mb: -1.01 C Showalter Index: -1.87 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 20.80 C K Index: 35.60 Risk: > 80 % chance of thunderstorms Sweat Index: 266.60 Risk: None Energy Index: -1.93 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2441.54 J/kg Max Up Vert Vel: 69.88 m/s Conv Inhibition (B-): 19.89 J/kg Cap Strength: 1.31 C Lift Cond Lev (LCL): 879.95 mb = 1159.62 m = 3804.47 ft Lev Free Conv (LFC): 824.95 mb = 1722.37 m = 5650.76 ft Equ Level (EL): 114.95 mb = 15954.35 m = 52343.03 ft B at Equ Level: 2437.65 J/kg Wind level data Storm motion: 272 at 10 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 1002 6 145 3 -1.7 2.5 | 103 13 -12.2 2.9 1 1000 21 145 3 -1.7 2.5 | 103 13 -12.2 2.9 2 925 720 185 17 1.5 16.9 | 153 20 -9.0 17.4 3 850 1464 235 11 9.0 6.3 | 168 7 -1.5 6.8 4 700 3125 245 17 15.4 7.2 | 213 9 4.9 7.6 5 500 5880 275 13 13.0 -1.1 | 286 3 2.5 -0.7 6 400 7620 290 7 6.6 -2.4 | 63 4 -3.9 -2.0 7 300 9770 295 3 2.7 -1.3 | 84 8 -7.8 -0.8 8 250 11060 355 7 0.6 -7.0 | 56 12 -9.9 -6.5 9 200 12560 60 21 -18.2 -10.5 | 71 30 -28.7 -10.1 10 150 14380 35 46 -26.4 -37.7 | 45 52 -36.9 -37.2 11 132 15150 35 60 -34.4 -49.1 | 43 66 -44.9 -48.7 12 100 16760 60 31 -26.8 -15.5 | 68 40 -37.3 -15.1 Wind Parameters Mean winds (0-6000m): 242.4 at 14.0 knts Storm direction: 272.4 at 10.5 knts Shear (0-3000m) pos: 3.0 neg: 0.0 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 106.9 deg Storm rel helicity (0-3000m) pos: 90.2 neg: 0.0 tot: 90.2 m^2/s^2 ave: 30.1 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 4.1 10^-3/s Energy-Hel index: 1.26 Bulk Rich Number: 92.53 Bulk Shear: 26.39 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 ------------------------------------------------------------------------------- 500 167 8 123 15| 10.4 0.0 10.4| 36.9 0.0 36.9 73.8 0.86| 10.8 9.3 1000 185 12 141 15| 6.9 0.0 6.9| 74.6 0.0 74.6 74.6 0.79| 11.0 8.7 1500 195 12 148 14| 4.0 0.0 4.0| 79.1 0.0 79.1 52.7 0.63| 10.0 6.3 2000 206 12 155 12| 3.5 0.0 3.5| 82.6 0.0 82.6 41.3 0.65| 8.0 5.2 2500 214 12 162 11| 3.2 0.0 3.2| 86.3 0.0 86.3 34.5 0.67| 6.8 4.5 3000 221 13 169 10| 3.0 0.0 3.0| 90.2 0.0 90.2 30.1 0.68| 6.0 4.1 4000 230 14 180 9| 2.2 0.0 2.2| 94.7 0.0 94.7 23.7 0.67| 4.9 3.3 5000 237 14 189 8| 1.6 0.0 1.6| 97.4 0.0 97.4 19.5 0.67| 4.3 2.9 6000 242 14 195 7| 1.3 0.0 1.3| 99.4 0.0 99.4 16.6 0.68| 3.8 2.6 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250618.12.gif