UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025070312.upa.cvt Date: 1200Z 3 JUL 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 3 JUL 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 1006 6 27.6 25.1 86 2.5 25.7 0 0 300.2 304.0 298.7 360.0 20.33 1 1000 55 27.4 25.0 87 2.4 25.6 115 1 300.5 304.3 298.8 360.4 20.33 2 925 743 23.2 21.7 91 1.5 22.1 125 9 303.0 306.3 298.0 356.3 17.94 3 850 1480 19.4 17.6 89 1.8 18.1 120 7 306.5 309.3 297.0 351.8 15.07 4 794 2065 15.8 15.8 100 0.0 15.8 115 9 308.7 311.4 297.1 352.2 14.37 5 711 2999 11.6 11.6 100 0.0 11.6 106 13 313.9 316.3 297.0 351.6 12.17 6 700 3130 11.4 8.9 85 2.5 9.8 105 13 315.1 317.1 296.0 347.2 10.29 7 693 3214 11.2 7.4 77 3.8 8.8 105 13 315.8 317.6 295.6 345.1 9.37 8 687 3287 12.0 6.0 67 6.0 8.3 105 13 317.5 319.1 295.4 344.5 8.57 9 663 3584 10.0 6.5 79 3.5 7.8 106 13 318.5 320.3 296.1 347.6 9.20 10 641 3865 9.4 -0.6 50 10.0 3.9 106 12 320.9 322.0 294.1 339.4 5.72 11 547 5162 1.0 -5.0 64 6.0 -2.0 109 12 325.8 326.7 294.7 341.8 4.83 12 543 5221 1.6 -5.4 60 7.0 -1.9 109 11 327.2 328.1 295.0 342.9 4.72 13 500 5880 -4.1 -8.2 73 4.1 -6.0 110 11 328.0 328.9 294.8 341.9 4.12 14 492 6007 -5.1 -8.9 75 3.8 -6.8 115 11 328.3 329.1 294.7 341.7 3.97 15 461 6515 -7.7 -10.0 84 2.3 -8.7 134 9 331.3 332.0 295.4 344.5 3.88 16 444 6807 -8.5 -15.5 57 7.0 -11.2 145 8 333.8 334.4 295.0 342.8 2.58 17 435 6966 -9.3 -13.2 73 3.9 -10.9 151 7 334.8 335.4 295.7 345.8 3.18 18 417 7291 -11.1 -18.1 56 7.0 -13.6 163 6 336.5 337.0 295.4 344.4 2.21 19 400 7610 -12.5 -17.5 66 5.0 -14.3 175 5 338.7 339.2 296.1 347.4 2.42 20 379 8021 -15.7 -17.0 90 1.3 -16.2 142 5 339.8 340.3 296.5 349.3 2.67 21 301 9726 -27.3 -32.3 62 5.0 -28.3 2 7 346.6 346.8 296.6 349.8 0.84 22 300 9750 -27.5 -31.8 67 4.3 -28.3 360 7 346.6 346.8 296.7 350.0 0.89 23 289 10016 -29.1 -32.0 76 2.9 -29.7 347 6 348.1 348.3 297.0 351.6 0.91 24 250 11030 -37.3 -40.6 71 3.3 -37.7 295 3 350.6 350.7 297.1 352.4 0.44 25 227 11689 -43.1 -46.2 71 3.1 -43.3 273 4 351.6 351.6 297.2 352.7 0.27 26 200 12530 -50.1 -55.1 55 5.0 -50.3 245 5 353.4 353.5 297.5 353.9 0.11 27 196 12662 -51.3 -57.3 49 6.0 -51.5 234 5 353.6 353.6 297.5 353.9 0.08 28 165 13755 -61.1 -67.1 45 6.0 -61.2 145 5 355.0 355.0 297.7 355.1 0.03 29 150 14340 -65.5 -70.5 50 5.0 -65.5 95 5 357.2 357.3 298.2 357.3 0.02 30 131 15151 -70.3 -77.3 35 7.0 -70.4 71 18 362.8 362.8 299.2 362.8 0.01 31 110 16171 -76.1 -82.1 38 6.0 -76.1 40 35 370.5 370.5 300.7 370.5 0.00 32 100 16720 -75.7 -84.7 23 9.0 -75.7 60 44 381.5 381.5 302.5 381.5 0.00 TRP 110 16171 -76.1 -82.1 38 6.0 -76.1 40 35 370.5 370.5 300.7 370.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5825.00 m Freezing level: 530.93 mb = 5405.96 m = 17735.86 ft Wetbulb zero: 579.26 mb = 4693.01 m = 15396.84 ft Precipitable water: 2.60 inches Sfc-500 mean rel hum: 78.92 % Est. max temperature: 33.56 C = 92.40 F Sfc-Lift cond lev (LCL): 970.67 mb = 317.71 m = 1042.33 ft T: 25.80 C 700-500 lapse rate: 5.64 C/km ThetaE index: 8.64 C Layer 925.0- 794.0 mb Conv cond level (CCL): 904.20 mb = 941.24 m = 3088.01 ft Mean mixing ratio: 18.89 g/kg Conv temperature: 31.33 C = 88.39 F Cap Strength: 0.81 C Lifted Index: -3.83 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -3.26 C Lifted Index @700 mb: -1.28 C Showalter Index: -1.78 C Risk: Thunderstorms probable Total Totals Index: 45.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 21.70 C K Index: 38.60 Risk: > 80 % chance of thunderstorms Sweat Index: 236.20 Risk: None Energy Index: -1.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1168.85 J/kg Max Up Vert Vel: 48.35 m/s Conv Inhibition (B-): 8.23 J/kg Cap Strength: 0.81 C Lift Cond Lev (LCL): 929.84 mb = 696.91 m = 2286.42 ft Lev Free Conv (LFC): 854.84 mb = 1430.47 m = 4693.09 ft Equ Level (EL): 144.84 mb = 14549.49 m = 47733.96 ft B at Equ Level: 1159.90 J/kg Wind level data Storm motion: 141 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 1006 6 0 0 -0.0 -0.0 | 321 8 4.8 -5.8 1 1000 55 115 1 -0.9 0.4 | 324 7 3.9 -5.4 2 925 743 125 9 -7.4 5.2 | 75 3 -2.6 -0.7 3 850 1480 120 7 -6.1 3.5 | 28 3 -1.3 -2.3 4 700 3130 105 13 -12.6 3.4 | 72 8 -7.7 -2.5 5 500 5880 110 11 -10.3 3.8 | 69 6 -5.5 -2.1 6 400 7610 175 5 -0.4 5.0 | 281 4 4.4 -0.9 7 300 9750 360 7 -0.0 -7.0 | 339 14 4.8 -12.8 8 250 11030 295 3 2.7 -1.3 | 313 10 7.5 -7.1 9 200 12530 245 5 4.5 2.1 | 292 10 9.3 -3.7 10 150 14340 95 5 -5.0 0.4 | 2 5 -0.2 -5.4 11 110 16171 40 35 -22.5 -26.8 | 28 37 -17.7 -32.7 12 100 16720 60 44 -38.1 -22.0 | 50 43 -33.3 -27.8 Wind Parameters Mean winds (0-6000m): 110.5 at 10.1 knts Storm direction: 140.5 at 7.6 knts Shear (0-3000m) pos: 1.4 neg: 0.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 111.4 deg Storm rel helicity (0-3000m) pos: 9.0 neg: -1.2 tot: 7.8 m^2/s^2 ave: 2.6 10^-3 m/s^2 rel: 0.43 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 186.68 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 ------------------------------------------------------------------------------- 500 121 3 335 5| 6.4 0.0 6.4| 4.5 0.0 4.5 9.0 0.60| 6.5 3.8 1000 124 6 358 3| 4.3 0.0 4.3| 6.1 -0.4 5.7 5.7 0.60| 4.9 2.9 1500 123 6 12 2| 2.8 0.4 3.3| 6.1 -1.2 4.9 3.3 0.41| 3.7 1.5 2000 121 7 22 3| 2.1 0.3 2.5| 7.3 -1.2 6.1 3.1 0.47| 3.3 1.5 2500 119 7 36 3| 1.7 0.7 2.4| 8.4 -1.2 7.2 2.9 0.46| 3.0 1.4 3000 116 8 47 3| 1.4 0.9 2.3| 9.0 -1.2 7.8 2.6 0.43| 2.9 1.2 4000 112 9 58 4| 1.0 0.7 1.7| 9.1 -1.3 7.8 1.9 0.40| 2.3 0.9 5000 111 10 62 5| 0.8 0.6 1.3| 9.1 -1.6 7.6 1.5 0.38| 1.9 0.7 6000 111 10 64 5| 0.6 0.5 1.1| 9.6 -1.8 7.9 1.3 0.36| 1.7 0.6 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250703.12.gif