UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061600.upa.cvt Date: 0000Z 16 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 16 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 1005 6 26.6 23.8 85 2.8 24.6 40 1 299.3 302.7 297.5 354.2 18.78 1 1000 48 26.2 23.5 85 2.7 24.2 45 1 299.4 302.7 297.4 353.5 18.53 2 971 308 23.6 22.5 94 1.1 22.8 81 3 299.3 302.5 297.0 351.7 17.95 3 956 445 24.6 22.6 89 2.0 23.2 100 4 301.6 305.0 297.8 355.8 18.35 4 925 735 23.6 23.6 100 0.0 23.6 140 7 303.4 307.2 299.4 363.6 20.21 5 914 840 23.2 23.1 99 0.1 23.2 158 7 304.1 307.7 299.3 363.3 19.83 6 892 1054 23.6 21.6 89 2.0 22.2 194 8 306.6 310.1 299.2 362.4 18.51 7 850 1476 21.2 19.2 88 2.0 19.8 265 9 308.4 311.5 298.5 359.0 16.70 8 759 2451 15.2 15.2 100 0.0 15.2 245 9 312.0 314.8 298.0 356.4 14.47 9 700 3136 11.8 10.9 94 0.9 11.2 230 9 315.6 317.8 297.1 352.3 11.79 10 659 3640 9.0 7.3 89 1.7 7.9 256 9 317.9 319.8 296.4 348.8 9.79 11 649 3767 9.2 5.3 77 3.9 6.8 263 9 319.5 321.2 296.0 347.0 8.65 12 623 4105 5.6 5.1 97 0.5 5.3 280 8 319.1 320.9 296.0 347.4 8.88 13 595 4481 4.6 0.6 75 4.0 2.4 300 8 322.2 323.5 295.3 344.0 6.74 14 546 5177 -0.5 -0.6 99 0.1 -0.6 337 8 324.2 325.5 295.7 346.1 6.73 15 500 5880 -3.1 -3.4 98 0.3 -3.3 15 7 329.3 330.5 296.4 349.1 5.97 16 416 7319 -10.7 -11.2 96 0.5 -10.9 359 4 337.3 338.1 296.8 350.9 3.91 17 400 7620 -13.3 -14.6 90 1.3 -13.8 355 3 337.7 338.3 296.3 348.6 3.08 18 371 8187 -16.1 -18.2 84 2.1 -16.9 2 7 341.3 341.8 296.7 350.2 2.46 19 336 8925 -20.3 -38.3 18 18.0 -23.6 10 13 345.4 345.5 296.0 347.1 0.42 20 307 9584 -25.7 -41.7 21 16.0 -28.1 18 18 346.9 346.9 296.2 348.2 0.32 21 302 9702 -26.7 -33.7 52 7.0 -28.0 19 19 347.1 347.2 296.6 349.9 0.73 22 300 9750 -26.9 -37.9 35 11.0 -28.7 20 19 347.5 347.6 296.5 349.4 0.49 23 296 9846 -27.7 -41.7 25 14.0 -29.7 19 19 347.7 347.7 296.4 349.0 0.33 24 287 10067 -28.9 -35.9 51 7.0 -30.1 15 18 349.0 349.2 297.0 351.5 0.62 25 274 10397 -30.7 -45.7 22 15.0 -32.4 10 16 351.1 351.1 297.1 352.1 0.23 26 250 11040 -35.9 -42.9 49 7.0 -36.7 360 13 352.7 352.8 297.5 354.1 0.35 27 232 11555 -40.7 -43.5 74 2.8 -41.0 360 14 353.0 353.1 297.6 354.5 0.35 28 200 12550 -49.1 -56.1 44 7.0 -49.4 360 17 355.0 355.0 297.8 355.4 0.10 29 189 12918 -51.9 -61.9 29 10.0 -52.2 358 18 356.3 356.3 298.0 356.5 0.05 30 173 13484 -57.3 -62.3 53 5.0 -57.4 355 19 356.5 356.5 298.1 356.7 0.05 31 150 14370 -64.5 -71.5 38 7.0 -64.6 350 21 359.0 359.0 298.5 359.0 0.02 32 145 14576 -66.5 -72.5 43 6.0 -66.5 355 22 359.0 359.0 298.5 359.1 0.01 33 138 14873 -68.7 -77.7 26 9.0 -68.8 1 23 360.2 360.2 298.8 360.3 0.01 34 111 16148 -76.9 -82.9 38 6.0 -76.9 31 30 368.0 368.0 300.2 368.0 0.00 35 101 16692 -74.9 -84.9 20 10.0 -74.9 44 33 381.9 381.9 302.6 381.9 0.00 36 100 16750 -75.1 -85.1 20 10.0 -75.2 45 33 382.6 382.6 302.6 382.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5832.00 m Freezing level: 550.80 mb = 5109.20 m = 16762.27 ft Wetbulb zero: 555.47 mb = 5038.19 m = 16529.29 ft Precipitable water: 2.88 inches Sfc-500 mean rel hum: 92.12 % Est. max temperature: 35.43 C = 95.78 F Sfc-Lift cond lev (LCL): 965.37 mb = 359.01 m = 1177.85 ft T: 23.97 C 700-500 lapse rate: 5.43 C/km ThetaE index: 16.60 C Layer 914.0- 623.0 mb Conv cond level (CCL): 849.29 mb = 1483.21 m = 4866.10 ft Mean mixing ratio: 18.90 g/kg Conv temperature: 35.67 C = 96.21 F Cap Strength: 2.49 C Lifted Index: -2.65 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.34 C Lifted Index @700 mb: -0.70 C Showalter Index: -3.12 C Risk: Severe thunderstorms possible Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 22.30 C K Index: 42.60 Risk: > 80 % chance of thunderstorms Sweat Index: 255.40 Risk: None Energy Index: -2.00 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 771.87 J/kg Max Up Vert Vel: 39.29 m/s Conv Inhibition (B-): 81.38 J/kg Cap Strength: 2.40 C Lift Cond Lev (LCL): 937.27 mb = 619.02 m = 2030.88 ft Lev Free Conv (LFC): 762.27 mb = 2413.95 m = 7919.67 ft Equ Level (EL): 162.27 mb = 13881.68 m = 45543.03 ft B at Equ Level: 765.99 J/kg Wind level data Storm motion: 281 at 6 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 1005 6 40 1 -0.6 -0.8 | 93 6 -6.4 0.3 1 1000 48 45 1 -0.7 -0.7 | 94 6 -6.4 0.4 2 925 735 140 7 -4.5 5.4 | 122 12 -10.2 6.5 3 850 1476 265 9 9.0 0.8 | 240 4 3.2 1.9 4 700 3136 230 9 6.9 5.8 | 190 7 1.2 6.9 5 500 5880 15 7 -1.8 -6.8 | 53 9 -7.5 -5.7 6 400 7620 355 3 0.3 -3.0 | 71 6 -5.5 -1.9 7 300 9750 20 19 -6.5 -17.9 | 36 21 -12.2 -16.8 8 250 11040 360 13 -0.0 -13.0 | 26 13 -5.7 -11.9 9 200 12550 360 17 -0.0 -17.0 | 20 17 -5.7 -15.9 10 150 14370 350 21 3.6 -20.7 | 6 20 -2.1 -19.6 11 100 16750 45 33 -23.3 -23.3 | 53 37 -29.1 -22.2 Wind Parameters Mean winds (0-6000m): 250.9 at 7.8 knts Storm direction: 280.9 at 5.8 knts Shear (0-3000m) pos: 1.7 neg: 0.8 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 99.4 deg Storm rel helicity (0-3000m) pos: 50.2 neg: -5.8 tot: 44.4 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.9 10^-3/s Energy-Hel index: 0.24 Bulk Rich Number: 54.29 Bulk Shear: 14.22 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 97 3 100 9| 4.9 0.0 4.9| 5.7 -0.4 5.3 10.6 0.38| 5.5 2.1 1000 145 5 121 10| 4.4 0.0 4.4| 33.0 -0.4 32.6 32.6 0.74| 7.7 5.7 1500 181 6 142 9| 3.3 0.0 3.3| 50.2 -0.4 49.8 33.2 0.78| 9.1 7.1 2000 223 7 169 6| 2.5 0.4 2.9| 50.2 -2.0 48.2 24.1 0.69| 7.3 5.0 2500 233 7 181 5| 2.0 0.7 2.7| 50.2 -3.8 46.4 18.6 0.60| 6.2 3.7 3000 235 8 185 5| 1.7 0.8 2.5| 50.2 -5.8 44.4 14.8 0.53| 5.4 2.9 4000 240 8 192 5| 1.5 0.6 2.1| 56.4 -6.3 50.1 12.5 0.56| 5.0 2.8 5000 250 8 203 4| 1.2 0.5 1.8| 62.2 -6.3 55.9 11.2 0.61| 4.8 2.9 6000 251 8 204 4| 0.9 0.4 1.3| 71.7 -6.3 65.4 10.9 0.63| 4.5 2.8 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250616.00.gif