UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 17 OCT 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 133 SFC 962 470 20.8 20.3 97 0.5 20.5 0 0 297.2 300.1 295.0 342.9 15.78 2 928 782 19.0 19.0 100 0.0 19.0 342 3 298.5 301.2 294.8 342.3 15.07 3 925 810 19.6 18.9 96 0.7 19.1 340 3 299.4 302.1 295.1 343.2 15.02 4 898 1066 20.2 17.3 83 2.9 18.2 19 4 302.5 305.1 295.2 343.8 13.97 5 850 1539 16.0 15.8 99 0.2 15.9 90 5 302.9 305.4 295.0 342.6 13.40 6 829 1752 14.6 14.4 99 0.2 14.5 97 6 303.6 305.9 294.5 340.9 12.54 7 789 2172 16.2 7.2 55 9.0 10.7 111 7 309.6 311.2 292.9 334.5 8.10 8 749 2613 13.4 5.4 58 8.0 8.6 126 9 311.2 312.7 292.9 334.5 7.53 9 700 3181 10.2 2.2 58 8.0 5.7 145 11 313.8 315.0 292.7 333.9 6.42 10 690 3301 9.6 1.6 57 8.0 5.1 147 11 314.4 315.6 292.8 334.0 6.24 11 677 3459 10.2 -8.8 25 19.0 1.5 149 11 316.8 317.4 290.6 326.3 2.90 12 676 3471 10.2 -7.8 27 18.0 1.7 149 11 316.9 317.5 290.9 327.2 3.14 13 594 4532 2.0 -2.2 74 4.2 -0.2 165 9 319.3 320.4 293.6 337.0 5.49 14 584 4669 1.2 -4.8 64 6.0 -1.7 167 9 320.0 320.9 293.0 334.9 4.59 15 558 5035 -0.3 -6.3 64 6.0 -3.2 172 8 322.4 323.2 293.4 336.5 4.28 16 550 5151 -0.5 -11.5 43 11.0 -5.2 174 8 323.5 324.1 292.6 333.2 2.88 17 529 5462 -0.9 -21.9 19 21.0 -7.9 178 8 326.6 326.9 292.0 331.0 1.25 18 528 5477 -0.9 -20.9 20 20.0 -7.8 179 8 326.8 327.1 292.2 331.6 1.37 19 518 5630 -2.3 -16.3 33 14.0 -7.7 181 7 326.9 327.3 292.8 334.0 2.07 20 509 5769 -3.1 -35.1 6 32.0 -10.8 183 7 327.6 327.7 291.5 329.0 0.38 21 500 5910 -4.3 -20.3 27 16.0 -9.8 185 7 327.8 328.1 292.6 333.1 1.52 22 490 6068 -5.5 -17.5 38 12.0 -9.9 178 7 328.2 328.6 293.1 335.1 1.97 23 480 6230 -6.7 -22.7 27 16.0 -11.8 171 6 328.7 328.9 292.6 333.2 1.29 24 472 6360 -7.3 -31.3 13 24.0 -13.3 166 6 329.5 329.6 292.2 331.7 0.59 25 460 6560 -8.5 -26.5 22 18.0 -13.6 157 6 330.5 330.7 292.7 333.9 0.95 26 452 6696 -9.5 -16.5 57 7.0 -12.1 151 5 330.9 331.3 294.1 339.0 2.33 27 450 6730 -9.3 -21.3 37 12.0 -13.2 150 5 331.5 331.9 293.6 337.1 1.55 28 442 6868 -9.9 -16.9 57 7.0 -12.5 144 5 332.5 333.0 294.4 340.5 2.30 29 400 7630 -14.7 -41.7 8 27.0 -19.4 110 3 335.9 335.9 293.5 336.8 0.25 30 396 7706 -15.3 -42.3 8 27.0 -19.9 111 3 336.1 336.1 293.6 337.0 0.23 31 361 8399 -19.5 -30.5 37 11.0 -22.0 115 4 339.5 339.6 295.0 342.6 0.84 32 359 8441 -19.5 -44.5 9 25.0 -23.2 116 4 340.0 340.0 294.5 340.8 0.20 33 352 8587 -20.3 -33.3 30 13.0 -23.0 117 4 340.8 341.0 295.1 343.3 0.66 34 345 8735 -20.9 -36.9 22 16.0 -23.9 118 4 342.0 342.1 295.2 343.8 0.47 35 300 9750 -29.7 -45.7 20 16.0 -31.5 125 5 343.5 343.6 295.4 344.4 0.21 36 283 10162 -33.7 -45.7 29 12.0 -34.9 107 6 343.6 343.6 295.4 344.5 0.23 37 255 10884 -38.3 -57.3 12 19.0 -39.4 76 9 347.2 347.2 296.1 347.4 0.06 38 250 11020 -39.5 -56.5 15 17.0 -40.5 70 9 347.3 347.4 296.1 347.7 0.07 39 200 12500 -52.9 -61.9 33 9.0 -53.1 240 7 349.0 349.0 296.4 349.2 0.05 40 190 12828 -55.7 -67.7 21 12.0 -55.9 246 8 349.7 349.7 296.5 349.7 0.02 41 179 13205 -58.9 -64.9 46 6.0 -59.0 253 9 350.4 350.4 296.8 350.6 0.03 42 156 14053 -65.9 -72.9 37 7.0 -66.0 270 12 352.6 352.6 297.2 352.6 0.01 43 150 14290 -67.5 -74.5 36 7.0 -67.5 275 13 353.8 353.8 297.4 353.9 0.01 44 144 14535 -68.7 -76.7 31 8.0 -68.8 291 12 355.9 355.9 297.9 355.9 0.01 45 113 15954 -77.5 -83.5 37 6.0 -77.5 26 8 365.0 365.0 299.7 365.0 0.00 46 109 16160 -78.7 -84.7 37 6.0 -78.7 40 7 366.5 366.5 299.9 366.5 0.00 47 100 16650 -78.7 -84.7 37 6.0 -78.7 70 5 375.7 375.7 301.5 375.7 0.00 TRP 109 16160 -78.7 -84.7 37 6.0 -78.7 40 7 366.5 366.5 299.9 366.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5777.00 m Freezing level: 563.20 mb = 4961.76 m = 16278.53 ft Wetbulb zero: 603.10 mb = 4407.24 m = 14459.28 ft Precipitable water: 1.54 inches Sfc-500 mean rel hum: 61.29 % Est. max temperature: 29.60 C = 85.28 F Sfc-Lift cond lev (LCL): 955.29 mb = 530.68 m = 1741.06 ft T: 20.45 C 700-500 lapse rate: 5.31 C/km ThetaE index: 9.34 C Layer 850.0- 749.0 mb Conv cond level (CCL): 865.09 mb = 1387.59 m = 4552.42 ft Mean mixing ratio: 14.54 g/kg Conv temperature: 26.30 C = 79.35 F Cap Strength: 2.94 C Lifted Index: 1.19 C Risk: Showers probable Lifted Index @300 mb: 2.51 C Lifted Index @700 mb: 1.57 C Showalter Index: 1.42 C Risk: Showers probable Total Totals Index: 40.40 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.10 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 206.60 Risk: None Energy Index: -1.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.82 J/kg Max Up Vert Vel: 7.85 m/s Conv Inhibition (B-): 20.05 J/kg Cap Strength: 2.86 C Lift Cond Lev (LCL): 894.16 mb = 1103.36 m = 3619.89 ft Lev Free Conv (LFC): 839.16 mb = 1648.12 m = 5407.16 ft Equ Level (EL): 819.16 mb = 1853.18 m = 6079.90 ft B at Equ Level: 29.46 J/kg Max Parcel Lev (MPL): 779.16 mb = 2278.52 m = 7475.37 ft Wind level data Storm motion: 179 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 ---------------------------------------------------------- 0 962 470 0 0 -0.0 -0.0 | 359 6 0.1 -5.6 1 925 810 340 3 1.0 -2.8 | 353 9 1.1 -8.4 2 850 1539 90 5 -5.0 0.0 | 41 7 -4.9 -5.6 3 700 3181 145 11 -6.3 9.0 | 118 7 -6.3 3.4 4 500 5910 185 7 0.6 7.0 | 206 2 0.7 1.4 5 400 7630 110 3 -2.8 1.0 | 31 5 -2.8 -4.6 6 300 9750 125 5 -4.1 2.9 | 56 5 -4.0 -2.7 7 250 11020 70 9 -8.5 -3.1 | 44 12 -8.4 -8.7 8 200 12500 240 7 6.1 3.5 | 289 6 6.1 -2.1 9 150 14290 275 13 13.0 -1.1 | 297 15 13.0 -6.8 10 109 16160 40 7 -4.5 -5.4 | 22 12 -4.4 -11.0 11 100 16650 70 5 -4.7 -1.7 | 32 9 -4.6 -7.3 Wind Parameters Mean winds (0-6000m): 149.4 at 7.5 knts Storm direction: 179.4 at 5.6 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 123.5 deg Storm rel helicity (0-3000m) pos: 36.4 neg: -1.3 tot: 35.1 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 3.7 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.60 Bulk Shear: 11.84 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 ------------------------------------------------------------------------------- 500 346 2 356 8| 3.5 0.0 3.5| 2.6 -1.3 1.3 2.5 0.10| 4.3 0.4 1000 32 3 11 8| 2.5 0.0 2.5| 15.1 -1.3 13.8 13.8 0.59| 5.0 3.0 1500 72 4 28 8| 2.3 0.0 2.3| 20.9 -1.3 19.6 13.1 0.68| 4.4 3.0 2000 94 5 42 7| 2.2 0.0 2.2| 26.5 -1.3 25.1 12.6 0.73| 4.0 3.0 2500 112 6 57 6| 2.1 0.0 2.1| 32.6 -1.3 31.3 12.5 0.78| 3.9 3.0 3000 124 7 70 6| 1.8 0.0 1.8| 36.4 -1.3 35.1 11.7 0.79| 3.7 2.9 4000 137 7 87 5| 1.2 0.0 1.2| 38.7 -1.3 37.4 9.3 0.76| 3.1 2.4 5000 144 8 97 4| 0.8 0.0 0.8| 40.0 -1.3 38.7 7.7 0.75| 2.8 2.1 6000 149 7 102 4| 0.6 0.2 0.8| 40.4 -2.1 38.3 6.4 0.60| 2.6 1.6 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251017.00.gif