UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060912.upa.cvt Date: 1200Z 9 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 9 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 31.6 23.6 63 8.0 25.6 150 1 304.6 308.0 298.7 360.2 18.61 1 1000 23 31.4 24.4 66 7.0 26.2 150 1 304.5 308.2 299.3 363.1 19.59 2 966 333 28.2 23.3 75 4.9 24.6 152 4 304.3 307.9 298.9 361.0 18.96 3 925 719 26.0 20.0 70 6.0 21.7 155 7 305.9 308.9 297.5 354.2 16.11 4 850 1461 20.8 19.1 90 1.7 19.6 265 5 307.9 311.0 298.3 358.1 16.59 5 843 1533 20.6 19.1 91 1.5 19.5 263 5 308.5 311.6 298.5 359.2 16.74 6 799 1996 18.4 14.1 76 4.3 15.5 252 4 310.9 313.3 296.6 349.9 12.77 7 762 2403 17.2 11.2 68 6.0 13.3 242 4 313.8 315.9 296.2 348.0 11.04 8 700 3123 12.2 7.5 73 4.7 9.3 225 3 316.0 317.8 295.6 345.3 9.34 9 500 5870 -3.5 -3.5 100 0.0 -3.5 280 9 328.8 330.0 296.3 348.5 5.92 10 495 5950 -4.1 -4.1 100 0.0 -4.1 284 9 329.0 330.1 296.2 348.0 5.72 11 435 6962 -8.9 -10.0 92 1.1 -9.4 330 3 335.3 336.1 296.5 349.5 4.12 12 432 7016 -9.3 -13.0 74 3.7 -10.8 332 3 335.4 336.1 295.9 346.8 3.26 13 430 7052 -9.5 -10.1 95 0.6 -9.8 334 3 335.6 336.5 296.6 349.9 4.13 14 403 7553 -11.3 -17.3 61 6.0 -13.6 357 0 339.6 340.1 296.3 348.3 2.44 15 400 7610 -11.7 -16.7 66 5.0 -13.6 0 0 339.8 340.3 296.4 349.0 2.59 16 390 7803 -12.9 -16.5 74 3.6 -14.3 2 1 340.7 341.2 296.7 350.3 2.70 17 386 7882 -12.3 -20.3 51 8.0 -15.1 2 1 342.5 342.9 296.5 349.7 1.97 18 377 8062 -13.5 -17.5 72 4.0 -15.0 4 1 343.2 343.7 297.2 352.5 2.57 19 361 8391 -15.5 -23.5 50 8.0 -18.0 7 2 344.8 345.1 296.8 350.7 1.59 20 326 9151 -21.5 -25.3 71 3.8 -22.5 14 5 346.8 347.1 297.1 352.4 1.50 21 307 9592 -23.9 -32.9 43 9.0 -25.8 18 6 349.4 349.6 297.1 352.4 0.78 22 300 9760 -25.3 -32.3 52 7.0 -26.8 20 7 349.7 349.9 297.3 353.0 0.85 23 282 10204 -29.3 -32.7 72 3.4 -30.0 30 8 350.2 350.4 297.4 353.6 0.87 24 250 11050 -35.1 -44.1 39 9.0 -36.1 50 9 353.9 353.9 297.7 355.1 0.30 25 241 11306 -36.9 -49.9 25 13.0 -38.0 48 10 354.9 354.9 297.8 355.6 0.17 26 200 12570 -48.3 -57.3 35 9.0 -48.7 40 13 356.3 356.3 298.0 356.6 0.08 27 190 12904 -51.1 -53.9 72 2.8 -51.2 48 14 357.0 357.1 298.2 357.6 0.13 28 188 12972 -51.9 -56.9 55 5.0 -52.1 50 14 356.8 356.9 298.1 357.2 0.09 29 179 13287 -54.7 -56.8 77 2.1 -54.8 57 15 357.3 357.3 298.2 357.7 0.10 30 178 13323 -55.1 -57.4 75 2.3 -55.2 58 15 357.2 357.2 298.2 357.6 0.09 31 164 13839 -58.9 -64.9 46 6.0 -59.0 71 17 359.3 359.3 298.6 359.5 0.04 32 150 14390 -63.9 -67.4 62 3.5 -64.0 85 19 360.0 360.0 298.7 360.1 0.03 33 148 14472 -64.7 -67.8 65 3.1 -64.7 85 19 360.0 360.0 298.7 360.1 0.03 34 129 15300 -70.3 -81.3 18 11.0 -70.4 89 23 364.4 364.4 299.5 364.4 0.00 35 106 16440 -79.9 -84.1 50 4.2 -79.9 94 29 367.2 367.2 300.1 367.2 0.00 36 100 16770 -79.7 -84.4 46 4.7 -79.7 95 31 373.7 373.7 301.2 373.8 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5847.00 m Freezing level: 544.59 mb = 5257.61 m = 17249.17 ft Wetbulb zero: 554.74 mb = 5021.87 m = 16475.76 ft Precipitable water: 2.62 inches Sfc-500 mean rel hum: 80.78 % Est. max temperature: 34.91 C = 94.83 F Sfc-Lift cond lev (LCL): 893.07 mb = 1027.29 m = 3370.35 ft T: 23.84 C 700-500 lapse rate: 5.72 C/km ThetaE index: 13.93 C Layer 799.0- 500.0 mb Conv cond level (CCL): 826.50 mb = 1703.43 m = 5588.62 ft Mean mixing ratio: 17.82 g/kg Conv temperature: 36.37 C = 97.46 F Cap Strength: 1.96 C Lifted Index: -3.40 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.35 C Lifted Index @700 mb: -0.59 C Showalter Index: -3.29 C Risk: Severe thunderstorms possible Total Totals Index: 46.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 22.60 C K Index: 38.70 Risk: > 80 % chance of thunderstorms Sweat Index: 248.20 Risk: None Energy Index: -1.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 671.86 J/kg Max Up Vert Vel: 36.66 m/s Conv Inhibition (B-): 80.01 J/kg Cap Strength: 1.96 C Lift Cond Lev (LCL): 877.27 mb = 1183.88 m = 3884.07 ft Lev Free Conv (LFC): 712.27 mb = 2975.47 m = 9761.94 ft Equ Level (EL): 162.27 mb = 13904.28 m = 45617.17 ft B at Equ Level: 661.84 J/kg Wind level data Storm motion: 281 at 4 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 6 150 1 -0.5 0.9 | 111 5 -4.4 1.6 1 1000 23 150 1 -0.5 0.9 | 111 5 -4.4 1.6 2 925 719 155 7 -3.0 6.3 | 136 10 -6.8 7.1 3 850 1461 265 5 5.0 0.4 | 222 2 1.1 1.2 4 700 3123 225 3 2.1 2.1 | 149 3 -1.8 2.9 5 500 5870 280 9 8.9 -1.6 | 279 5 5.0 -0.8 6 400 7610 0 0 -0.0 -0.0 | 101 4 -3.9 0.8 7 300 9760 20 7 -2.4 -6.6 | 47 9 -6.3 -5.8 8 250 11050 50 9 -6.9 -5.8 | 65 12 -10.8 -5.0 9 200 12570 40 13 -8.4 -10.0 | 53 15 -12.2 -9.2 10 150 14390 85 19 -18.9 -1.7 | 88 23 -22.8 -0.9 11 100 16770 95 31 -30.9 2.7 | 96 35 -34.8 3.5 Wind Parameters Mean winds (0-6000m): 251.4 at 5.3 knts Storm direction: 281.4 at 4.0 knts Shear (0-3000m) pos: 0.9 neg: 0.5 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 41.1 deg Storm rel helicity (0-3000m) pos: 19.3 neg: -1.7 tot: 17.6 m^2/s^2 ave: 5.9 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 1.4 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 122.00 Bulk Shear: 5.51 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 ------------------------------------------------------------------------------- 500 153 3 123 6| 4.3 0.0 4.3| 3.7 0.0 3.7 7.3 0.53| 4.3 2.3 1000 162 5 135 7| 2.9 0.0 2.9| 14.6 0.0 14.6 14.6 0.65| 5.6 3.6 1500 177 5 145 7| 1.9 0.0 1.9| 19.3 0.0 19.3 12.9 0.62| 6.0 3.7 2000 200 5 158 6| 1.4 0.3 1.7| 19.3 -0.5 18.8 9.4 0.53| 4.8 2.5 2500 212 5 164 5| 1.1 0.4 1.6| 19.3 -1.1 18.2 7.3 0.46| 4.1 1.9 3000 217 5 165 5| 0.9 0.5 1.5| 19.3 -1.7 17.6 5.9 0.40| 3.5 1.4 4000 223 4 167 4| 1.0 0.4 1.4| 21.2 -1.8 19.4 4.8 0.45| 3.0 1.3 5000 235 5 179 3| 1.1 0.3 1.4| 23.7 -1.8 21.9 4.4 0.51| 2.7 1.4 6000 251 5 204 3| 1.0 0.3 1.3| 27.9 -1.8 26.1 4.4 0.56| 2.6 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250609.12.gif