UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101400.upa.cvt Date: 0000Z 14 OCT 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 14 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 96 SFC 958 471 22.4 21.8 96 0.6 22.0 0 0 299.2 302.4 296.6 350.0 17.42 2 931 721 21.0 20.8 99 0.2 20.9 4 4 300.2 303.3 296.5 349.6 16.84 3 925 777 21.6 19.8 90 1.8 20.4 5 5 301.4 304.3 296.3 348.2 15.91 4 915 872 22.2 19.2 83 3.0 20.1 11 5 302.9 305.8 296.4 348.8 15.48 5 850 1510 18.0 17.3 96 0.7 17.5 55 7 305.0 307.7 296.4 349.1 14.78 6 835 1663 16.8 16.7 99 0.1 16.7 60 7 305.3 308.0 296.3 348.6 14.47 7 739 2699 12.4 9.8 84 2.6 10.7 95 10 311.4 313.3 295.1 343.2 10.35 8 735 2745 13.0 8.8 76 4.2 10.3 96 10 312.5 314.3 294.9 342.5 9.72 9 700 3155 10.4 7.3 81 3.1 8.5 110 11 314.0 315.8 295.0 342.6 9.21 10 604 4370 3.2 -1.0 74 4.2 1.0 114 10 319.2 320.4 293.9 338.1 5.90 11 581 4684 1.4 -0.0 90 1.4 0.6 116 10 320.7 322.0 294.8 341.9 6.60 12 565 4909 0.2 -5.8 64 6.0 -2.7 116 10 321.8 322.7 293.4 336.2 4.39 13 558 5009 -0.7 -1.4 95 0.7 -1.1 117 10 321.9 323.1 294.8 342.0 6.20 14 549 5139 -1.3 -1.7 97 0.4 -1.5 117 10 322.7 323.9 295.0 342.7 6.17 15 528 5450 -3.7 -3.7 100 0.0 -3.7 118 9 323.4 324.5 294.7 341.5 5.52 16 500 5880 -5.3 -6.5 91 1.2 -5.9 120 9 326.6 327.5 294.8 342.2 4.71 17 470 6366 -7.5 -9.8 84 2.3 -8.5 132 10 329.7 330.5 295.0 342.8 3.87 18 462 6500 -7.9 -12.3 71 4.4 -9.8 136 10 330.8 331.5 294.8 341.8 3.22 19 448 6739 -9.9 -13.1 77 3.2 -11.2 142 10 331.2 331.8 294.8 341.9 3.11 20 406 7496 -13.1 -18.0 67 4.9 -14.9 162 11 336.5 337.0 295.4 344.6 2.29 21 400 7610 -13.9 -18.3 69 4.4 -15.4 165 11 336.9 337.4 295.5 345.0 2.26 22 369 8216 -18.5 -21.6 77 3.1 -19.4 161 10 338.7 339.0 295.6 345.3 1.84 23 318 9310 -25.1 -34.1 43 9.0 -26.8 153 9 344.2 344.4 295.9 346.8 0.67 24 300 9730 -29.1 -35.1 56 6.0 -30.1 150 9 344.4 344.5 295.9 346.9 0.64 25 261 10705 -37.1 -45.1 43 8.0 -37.9 127 9 346.6 346.7 296.1 347.7 0.26 26 250 11000 -39.7 -46.7 47 7.0 -40.3 120 9 347.0 347.1 296.2 348.0 0.23 27 234 11450 -43.5 -46.4 73 2.9 -43.7 141 8 347.9 348.0 296.4 348.9 0.25 28 223 11774 -46.5 -50.7 62 4.2 -46.7 156 8 348.1 348.2 296.4 348.8 0.16 29 200 12490 -52.1 -56.2 61 4.1 -52.2 190 7 350.3 350.3 296.8 350.7 0.09 30 169 13553 -61.7 -65.8 58 4.1 -61.7 284 6 351.6 351.6 297.0 351.7 0.03 31 157 14004 -64.7 -71.7 38 7.0 -64.8 325 5 354.0 354.0 297.5 354.0 0.02 32 150 14280 -67.3 -72.3 49 5.0 -67.4 350 5 354.2 354.2 297.5 354.2 0.01 33 145 14484 -69.1 -73.0 57 3.9 -69.1 1 6 354.5 354.5 297.6 354.5 0.01 34 131 15085 -73.3 -78.3 46 5.0 -73.3 34 10 357.4 357.4 298.2 357.4 0.01 35 105 16363 -79.3 -84.3 43 5.0 -79.3 105 17 369.3 369.3 300.4 369.3 0.00 36 100 16640 -79.5 -85.5 36 6.0 -79.5 85 15 374.1 374.1 301.3 374.1 0.00 TRP 105 16363 -79.3 -84.3 43 5.0 -79.3 105 17 369.3 369.3 300.4 369.3 0.00 WND Sounding variables and indices 1000-500 mb thick: 5784.00 m Freezing level: 563.44 mb = 4931.45 m = 16179.11 ft Wetbulb zero: 578.10 mb = 4724.60 m = 15500.48 ft Precipitable water: 2.09 inches Sfc-500 mean rel hum: 86.90 % Est. max temperature: 30.03 C = 86.05 F Sfc-Lift cond lev (LCL): 950.00 mb = 544.47 m = 1786.30 ft T: 21.99 C 700-500 lapse rate: 5.76 C/km ThetaE index: 6.63 C Layer 835.0- 700.0 mb Conv cond level (CCL): 857.49 mb = 1434.01 m = 4704.70 ft Mean mixing ratio: 15.80 g/kg Conv temperature: 27.89 C = 82.21 F Cap Strength: 1.35 C Lifted Index: -2.04 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.29 C Lifted Index @700 mb: 0.01 C Showalter Index: -2.04 C Risk: Severe thunderstorms possible Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.60 C K Index: 37.50 Risk: > 80 % chance of thunderstorms Sweat Index: 230.60 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 298.95 J/kg Max Up Vert Vel: 24.45 m/s Conv Inhibition (B-): 20.36 J/kg Cap Strength: 1.35 C Lift Cond Lev (LCL): 886.75 mb = 1143.41 m = 3751.31 ft Lev Free Conv (LFC): 831.75 mb = 1695.82 m = 5563.64 ft Equ Level (EL): 741.75 mb = 2667.97 m = 8753.08 ft B at Equ Level: 27.51 J/kg Max Parcel Lev (MPL): 131.75 mb = 15051.71 m = 49381.64 ft Wind level data Storm motion: 134 at 7 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 ---------------------------------------------------------- 0 958 471 0 0 -0.0 -0.0 | 314 7 4.8 -4.6 1 925 777 5 5 -0.4 -5.0 | 335 10 4.4 -9.5 2 850 1510 55 7 -5.7 -4.0 | 6 9 -0.9 -8.6 3 700 3155 110 11 -10.3 3.8 | 82 6 -5.5 -0.8 4 500 5880 120 9 -7.8 4.5 | 89 3 -3.0 -0.1 5 400 7610 165 11 -2.8 10.6 | 198 6 2.0 6.1 6 300 9730 150 9 -4.5 7.8 | 185 3 0.3 3.2 7 250 11000 120 9 -7.8 4.5 | 89 3 -3.0 -0.1 8 200 12490 190 7 1.2 6.9 | 249 6 6.0 2.3 9 150 14280 350 5 0.9 -4.9 | 329 11 5.7 -9.5 10 105 16363 105 17 -16.4 4.4 | 89 12 -11.6 -0.2 11 100 16640 85 15 -14.9 -1.3 | 60 12 -10.1 -5.9 Wind Parameters Mean winds (0-6000m): 103.6 at 8.8 knts Storm direction: 133.6 at 6.6 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 129.1 deg Storm rel helicity (0-3000m) pos: 37.2 neg: 0.0 tot: 37.2 m^2/s^2 ave: 12.4 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 3.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 23.60 Bulk Shear: 12.67 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 9 4 332 9| 5.7 0.0 5.7| 10.6 0.0 10.6 21.2 0.71| 6.5 4.6 1000 28 5 344 9| 3.5 0.0 3.5| 19.9 0.0 19.9 19.9 0.79| 5.3 4.2 1500 44 6 355 9| 2.8 0.0 2.8| 25.3 0.0 25.3 16.9 0.82| 4.4 3.6 2000 57 6 4 8| 2.4 0.0 2.4| 30.3 0.0 30.3 15.2 0.84| 4.0 3.4 2500 70 7 16 7| 2.2 0.0 2.2| 35.3 0.0 35.3 14.1 0.86| 3.9 3.3 3000 81 8 26 7| 1.8 0.0 1.8| 37.2 0.0 37.2 12.4 0.86| 3.5 3.0 4000 92 8 40 6| 1.3 0.0 1.3| 37.5 0.0 37.5 9.4 0.83| 2.8 2.3 5000 98 9 49 5| 1.0 0.0 1.0| 37.7 0.0 37.7 7.5 0.80| 2.3 1.8 6000 104 9 57 5| 0.8 0.0 0.8| 39.7 0.0 39.7 6.6 0.81| 2.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20251014.00.gif