UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060212.upa.cvt Date: 1200Z 2 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 2 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 -15 205 1 SFC 998 6 36.4 23.4 47 13.0 26.6 205 1 309.7 313.2 299.8 366.0 18.45 2 994 43 38.0 22.0 40 16.0 26.1 206 1 311.7 314.9 299.4 363.8 16.98 3 925 696 31.8 20.8 52 11.0 23.7 215 3 311.8 315.0 299.4 363.9 16.95 4 850 1449 24.8 18.8 69 6.0 20.5 220 5 312.1 315.2 299.1 362.2 16.28 5 820 1764 21.8 18.5 82 3.3 19.4 238 4 312.2 315.3 299.3 363.1 16.57 6 730 2766 15.0 12.6 86 2.4 13.4 294 2 315.3 317.7 297.7 354.7 12.67 7 700 3122 13.2 10.8 85 2.4 11.6 315 1 317.1 319.4 297.4 353.8 11.71 8 663 3578 12.4 5.4 62 7.0 8.0 343 2 321.2 322.8 296.3 348.5 8.52 9 550 5115 1.0 -1.3 85 2.3 -0.3 80 5 325.3 326.5 295.7 346.0 6.34 10 516 5627 -0.5 -5.3 70 4.8 -3.0 114 6 329.4 330.5 295.8 346.2 5.00 11 510 5721 0.2 -9.8 47 10.0 -4.4 120 7 331.4 332.1 295.2 343.6 3.56 12 500 5880 -0.5 -9.5 51 9.0 -4.7 130 7 332.4 333.2 295.6 345.2 3.72 13 447 6768 -7.3 -13.3 62 6.0 -9.8 153 7 334.7 335.3 295.6 345.4 3.07 14 422 7216 -9.1 -24.1 28 15.0 -13.8 164 7 337.9 338.2 295.0 342.7 1.29 15 420 7253 -9.5 -18.5 48 9.0 -12.8 165 7 337.9 338.3 295.6 345.5 2.12 16 400 7630 -11.5 -24.5 33 13.0 -15.5 175 7 340.0 340.3 295.5 344.9 1.31 17 388 7862 -12.3 -30.3 21 18.0 -17.0 168 7 342.0 342.1 295.5 345.0 0.79 18 387 7882 -12.3 -30.3 21 18.0 -17.0 167 7 342.2 342.4 295.6 345.2 0.80 19 354 8554 -17.3 -36.3 17 19.0 -21.2 145 7 344.3 344.4 295.8 346.2 0.48 20 335 8964 -20.3 -29.3 44 9.0 -22.5 132 7 345.7 345.9 296.5 349.5 1.01 21 326 9165 -21.5 -36.5 25 15.0 -24.4 125 7 346.8 346.9 296.4 348.8 0.52 22 308 9580 -24.7 -32.7 47 8.0 -26.3 111 7 347.9 348.1 296.8 351.0 0.79 23 300 9770 -26.3 -35.3 42 9.0 -27.9 105 7 348.3 348.5 296.8 350.8 0.63 24 296 9867 -27.3 -35.3 47 8.0 -28.7 106 7 348.2 348.4 296.8 350.8 0.64 25 286 10116 -28.5 -49.5 11 21.0 -30.8 110 9 350.0 350.0 296.8 350.6 0.15 26 269 10554 -32.1 -41.1 40 9.0 -33.3 117 11 350.9 351.0 297.2 352.5 0.39 27 250 11070 -35.1 -50.1 20 15.0 -36.5 125 13 353.9 353.9 297.6 354.5 0.16 28 247 11154 -35.7 -53.7 14 18.0 -37.1 124 14 354.2 354.2 297.6 354.7 0.10 29 221 11915 -42.7 -51.7 37 9.0 -43.3 119 22 354.9 354.9 297.8 355.5 0.15 30 200 12580 -47.7 -54.7 44 7.0 -48.0 115 29 357.2 357.3 298.2 357.7 0.11 31 175 13450 -53.9 -58.5 57 4.6 -54.1 96 28 360.9 361.0 299.0 361.3 0.08 32 150 14420 -62.7 -67.7 51 5.0 -62.8 75 27 362.1 362.1 299.1 362.2 0.03 33 139 14883 -67.3 -72.3 49 5.0 -67.4 75 28 362.0 362.0 299.1 362.0 0.02 34 105 16515 -80.5 -84.8 48 4.3 -80.5 75 31 367.0 367.0 300.0 367.0 0.00 35 100 16790 -80.3 -84.6 49 4.3 -80.3 75 31 372.6 372.6 301.0 372.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5895.00 m Freezing level: 527.33 mb = 5456.61 m = 17902.06 ft Freezing level: 511.71 mb = 5694.43 m = 18682.27 ft Freezing level: 507.14 mb = 5766.59 m = 18919.02 ft Wetbulb zero: 553.71 mb = 5059.68 m = 16599.79 ft Precipitable water: 2.56 inches Sfc-500 mean rel hum: 70.82 % Est. max temperature: 38.80 C = 101.84 F Sfc-Lift cond lev (LCL): 828.81 mb = 1670.37 m = 5480.14 ft T: 22.69 C 700-500 lapse rate: 4.97 C/km ThetaE index: 17.09 C Layer 730.0- 516.0 mb Conv cond level (CCL): 765.68 mb = 2354.64 m = 7725.09 ft Mean mixing ratio: 16.96 g/kg Conv temperature: 40.69 C = 105.25 F Cap Strength: 1.33 C Lifted Index: -2.04 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.87 C Lifted Index @700 mb: -0.88 C Showalter Index: -1.52 C Risk: Thunderstorms probable Total Totals Index: 44.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 19.30 C K Index: 41.70 Risk: > 80 % chance of thunderstorms Sweat Index: 242.60 Risk: None Energy Index: -3.27 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1441.53 J/kg Max Up Vert Vel: 53.69 m/s Conv Inhibition (B-): 28.94 J/kg Cap Strength: 1.33 C Lift Cond Lev (LCL): 790.44 mb = 2080.43 m = 6825.48 ft Lev Free Conv (LFC): 745.44 mb = 2585.56 m = 8482.69 ft Equ Level (EL): 665.44 mb = 3547.58 m = 11638.90 ft B at Equ Level: 16.89 J/kg Wind level data Storm motion: 202 at 3 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 ---------------------------------------------------------- 0 998 6 205 1 0.4 0.9 | 21 2 -0.6 -1.6 1 925 696 215 3 1.7 2.5 | 272 1 0.7 -0.0 2 850 1449 220 5 3.2 3.8 | 238 3 2.2 1.4 3 700 3122 315 1 0.7 -0.7 | 6 3 -0.3 -3.2 4 500 5880 130 7 -5.4 4.5 | 108 7 -6.4 2.0 5 400 7630 175 7 -0.6 7.0 | 160 5 -1.6 4.5 6 300 9770 105 7 -6.8 1.8 | 85 8 -7.8 -0.7 7 250 11070 125 13 -10.6 7.5 | 113 13 -11.7 5.0 8 200 12580 115 29 -26.3 12.3 | 110 29 -27.3 9.8 9 150 14420 75 27 -26.1 -7.0 | 71 29 -27.1 -9.5 10 100 16790 75 31 -29.9 -8.0 | 71 33 -31.0 -10.5 Wind Parameters Mean winds (0-6000m): 172.3 at 3.6 knts Storm direction: 202.3 at 2.7 knts Shear (0-3000m) pos: 0.3 neg: 0.0 tot: 0.3 10-3/s Storm rel Dir Shear (0-3000m): -20.5 deg Storm rel helicity (0-3000m) pos: 4.7 neg: -0.5 tot: 4.2 m^2/s^2 ave: 1.4 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 0.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1749.82 Bulk Shear: 0.82 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 ------------------------------------------------------------------------------- 500 212 2 7 1| 1.5 0.0 1.5| 0.0 -0.2 -0.2 -0.3 -0.50| 1.5 -0.8 1000 214 2 323 1| 1.5 0.0 1.5| 0.0 -0.3 -0.3 -0.3 -0.59| 1.5 -0.9 1500 217 3 268 1| 1.3 0.0 1.3| 0.2 -0.5 -0.3 -0.2 -0.38| 1.5 -0.6 2000 222 3 268 1| 0.8 0.0 0.8| 1.8 -0.5 1.4 0.7 0.12| 1.7 0.2 2500 226 3 277 1| 0.5 0.0 0.5| 3.4 -0.5 2.9 1.2 0.31| 1.8 0.5 3000 225 3 284 1| 0.3 0.0 0.3| 4.7 -0.5 4.2 1.4 0.41| 1.7 0.7 4000 232 3 303 1| 0.5 0.0 0.5| 6.3 -0.5 5.8 1.4 0.42| 1.7 0.7 5000 204 3 219 0| 0.6 0.0 0.6| 14.4 -0.5 13.9 2.8 0.56| 1.9 1.0 6000 172 4 125 2| 0.6 0.0 0.6| 26.3 -0.5 25.8 4.3 0.67| 2.1 1.4 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250602.12.gif