UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011700.upa.cvt Date: 0000Z 17 JAN 26 Searching for VVVH... Searching the city database file for: VVVH ... Date:0000Z 17 JAN 26 Station: VVVH WMO ident: 48845 Latitude: 18.70 Longitude: 105.67 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 1011 6 21.2 20.4 95 0.8 20.6 280 3 293.4 296.1 293.4 336.4 15.09 1 1000 97 20.2 19.9 98 0.3 20.0 280 5 293.4 296.0 293.2 335.4 14.78 2 925 769 17.0 16.8 99 0.2 16.9 25 1 296.7 299.1 292.9 334.6 13.12 3 850 1487 13.0 13.0 100 0.0 13.0 275 9 299.8 301.8 292.3 332.4 11.14 4 839 1597 12.4 12.3 99 0.1 12.3 277 9 300.3 302.2 292.2 331.9 10.78 5 837 1617 12.6 10.9 89 1.7 11.6 277 9 300.7 302.5 291.6 329.6 9.83 6 835 1637 15.2 8.2 63 7.0 11.0 277 9 303.6 305.1 291.2 328.1 8.20 7 704 3058 3.8 1.6 86 2.2 2.6 299 13 306.2 307.3 290.2 324.8 6.11 8 700 3104 3.6 -0.7 73 4.3 1.4 300 13 306.5 307.4 289.5 322.4 5.20 9 680 3338 2.8 -9.2 41 12.0 -2.2 296 16 308.1 308.7 287.8 317.0 2.80 10 667 3495 4.4 -18.6 17 23.0 -3.6 293 17 311.6 311.9 287.4 316.0 1.32 11 664 3531 4.6 -16.4 20 21.0 -3.1 292 18 312.3 312.6 287.9 317.5 1.60 12 618 4109 -0.9 -16.9 29 16.0 -6.5 281 24 312.4 312.7 288.1 317.9 1.65 13 615 4148 -0.3 -22.3 17 22.0 -7.1 281 25 313.5 313.7 287.8 317.1 1.04 14 613 4174 2.4 -43.6 2 46.0 -7.1 280 25 316.9 317.0 287.9 317.4 0.13 15 607 4253 3.4 279 26 319.0 16 577 4664 3.2 271 31 323.4 17 533 5301 -0.7 -47.7 1 47.0 -9.7 259 38 326.2 326.2 290.7 326.5 0.10 18 521 5482 -0.3 256 40 328.8 19 500 5810 -1.7 -48.7 1 47.0 -10.6 250 44 331.0 331.0 292.1 331.3 0.09 20 443 6763 -6.3 -52.3 1 46.0 -14.0 264 36 336.8 336.8 293.6 337.1 0.07 21 400 7550 -13.5 -53.5 2 40.0 -19.0 275 29 337.4 337.5 293.7 337.7 0.07 22 385 7839 -16.1 -55.1 2 39.0 -21.0 275 30 337.7 337.7 293.8 338.0 0.06 23 300 9670 -28.7 -57.7 4 29.0 -31.1 275 38 344.9 344.9 295.6 345.2 0.05 24 295 9790 -29.3 -59.3 4 30.0 -31.6 273 38 345.7 345.8 295.7 345.9 0.04 25 250 10940 -40.3 -59.3 11 19.0 -41.2 250 35 346.2 346.2 295.8 346.4 0.05 26 200 12420 -53.1 -62.1 33 9.0 -53.4 200 42 348.7 348.7 296.4 348.9 0.04 27 198 12485 -53.5 -62.5 33 9.0 -53.7 201 41 349.0 349.1 296.5 349.2 0.04 28 178 13163 -58.5 -72.5 15 14.0 -58.7 216 34 351.7 351.7 297.0 351.7 0.01 29 174 13307 -57.5 -79.5 4 22.0 -57.8 219 33 355.6 355.6 297.8 355.6 0.00 30 150 14230 -64.7 -81.7 8 17.0 -64.8 240 23 358.6 358.6 298.4 358.6 0.00 31 118 15651 -78.1 -84.1 37 6.0 -78.1 246 30 359.4 359.4 298.6 359.4 0.00 32 100 16590 -81.5 -90.5 20 9.0 -81.5 250 35 370.3 370.3 300.6 370.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5713.00 m Freezing level: 625.53 mb = 4014.55 m = 13170.93 ft Freezing level: 614.78 mb = 4150.80 m = 13617.96 ft Freezing level: 540.90 mb = 5186.24 m = 17015.02 ft Wetbulb zero: 692.15 mb = 3195.20 m = 10482.82 ft Precipitable water: 1.37 inches Sfc-500 mean rel hum: 72.24 % Est. max temperature: 27.09 C = 80.76 F Sfc-Lift cond lev (LCL): 999.55 mb = 100.92 m = 331.10 ft T: 20.18 C 700-500 lapse rate: 1.96 C/km ThetaE index: 20.36 C Layer 1000.0- 664.0 mb Conv cond level (CCL): 951.66 mb = 524.08 m = 1719.40 ft Mean mixing ratio: 13.91 g/kg Conv temperature: 23.25 C = 73.85 F Cap Strength: 6.65 C Lifted Index: 7.19 C Risk: None Lifted Index @300 mb: 8.40 C Lifted Index @700 mb: -2.45 C Showalter Index: 8.42 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 14.70 C Cross Totals Index: 14.70 C K Index: 23.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 218.00 Risk: None Energy Index: -0.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 102.78 J/kg Max Up Vert Vel: 14.34 m/s Conv Inhibition (B-): 0.48 J/kg Cap Strength: 7.00 C Lift Cond Lev (LCL): 956.74 mb = 478.21 m = 1568.92 ft Lev Free Conv (LFC): 921.74 mb = 799.00 m = 2621.35 ft Equ Level (EL): 831.74 mb = 1669.61 m = 5477.65 ft B at Equ Level: 26.12 J/kg Max Parcel Lev (MPL): 571.74 mb = 4737.15 m = 15541.63 ft Wind level data Storm motion: 296 at 14 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 1011 6 280 3 3.0 -0.5 | 120 11 -9.5 5.5 1 1000 97 280 5 4.9 -0.9 | 124 9 -7.5 5.2 2 925 769 25 1 -0.4 -0.9 | 112 14 -12.9 5.1 3 850 1487 275 9 9.0 -0.8 | 146 6 -3.5 5.2 4 700 3104 300 13 11.3 -6.5 | 69 1 -1.2 -0.5 5 500 5810 250 44 41.3 15.0 | 234 36 28.9 21.1 6 400 7550 275 29 28.9 -2.5 | 258 17 16.4 3.5 7 300 9670 275 38 37.9 -3.3 | 264 26 25.4 2.7 8 250 10940 250 35 32.9 12.0 | 229 27 20.4 18.0 9 200 12420 200 42 14.4 39.5 | 182 46 1.9 45.5 10 150 14230 240 23 19.9 11.5 | 203 19 7.5 17.5 11 100 16590 250 35 32.9 12.0 | 229 27 20.4 18.0 Wind Parameters Mean winds (0-6000m): 265.8 at 18.4 knts Storm direction: 295.8 at 13.8 knts Shear (0-3000m) pos: 1.4 neg: 1.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): -32.6 deg Storm rel helicity (0-3000m) pos: 13.7 neg: -16.1 tot: -2.4 m^2/s^2 ave: -0.8 10^-3 m/s^2 rel: -0.01 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -0.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.33 Bulk Shear: 30.83 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 ------------------------------------------------------------------------------- 500 296 4 116 10| 3.1 0.0 3.1| 1.6 -7.4 -5.8 -11.5 -0.34| 6.9 -2.3 1000 302 3 114 11| 1.9 0.0 1.9| 4.2 -13.9 -9.7 -9.7 -0.31| 5.7 -1.7 1500 284 4 121 10| 1.3 3.0 4.3| 13.6 -15.1 -1.5 -1.0 0.08| 7.1 0.5 2000 282 5 125 9| 1.2 2.2 3.5| 13.7 -15.1 -1.4 -0.7 0.07| 5.8 0.4 2500 284 7 126 8| 1.3 1.8 3.1| 13.7 -15.5 -1.8 -0.7 0.05| 5.0 0.3 3000 288 8 125 6| 1.4 1.5 2.9| 13.7 -16.1 -2.4 -0.8 -0.01| 4.5 -0.0 4000 289 10 133 4| 1.1 2.6 3.6| 13.7 -20.4 -6.7 -1.7 -0.14| 5.0 -0.7 5000 279 14 198 4| 0.9 3.5 4.3| 13.7 -46.2 -32.6 -6.5 -0.20| 5.5 -1.1 6000 266 18 219 9| 0.7 3.7 4.4| 27.6-102.8 -75.1 -12.5 -0.24| 6.0 -1.4 Wrote GIF file: /home/apache/climate/data/raob//VVVH/skewt/VVVH.skewt.20260117.00.gif