UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for VVTS... Searching the city database file for: VVTS ... Date:0000Z 10 DEC 25 Station: VVTS WMO ident: 48900 Latitude: 10.82 Longitude: 106.67 Elevation: 19.00 ------------------------------------------------------------------------------- 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 19 25.2 19.2 69 6.0 21.1 355 5 297.4 300.0 293.8 337.9 13.98 1 1000 98 24.6 18.6 69 6.0 20.5 360 9 297.8 300.2 293.6 337.2 13.61 2 943 611 21.2 17.9 81 3.3 18.9 8 6 299.3 301.9 294.2 339.6 13.81 3 925 779 21.6 17.0 75 4.6 18.5 10 5 301.4 303.8 294.4 340.5 13.29 4 921 817 21.6 17.1 76 4.5 18.5 13 6 301.8 304.2 294.7 341.4 13.44 5 850 1509 16.6 16.4 99 0.2 16.5 70 29 303.5 306.1 295.5 344.9 13.94 6 829 1722 15.4 15.4 100 0.0 15.4 74 28 304.4 306.9 295.4 344.4 13.39 7 738 2706 12.0 9.0 82 3.0 10.1 92 23 311.0 312.9 294.6 341.2 9.82 8 733 2764 13.0 8.0 72 5.0 9.9 93 23 312.7 314.5 294.6 341.3 9.23 9 700 3150 9.8 6.6 80 3.2 7.9 100 21 313.3 315.0 294.4 340.6 8.77 10 621 4134 2.6 2.5 99 0.1 2.5 109 20 316.0 317.4 294.1 339.3 7.40 11 614 4226 4.4 1.0 79 3.4 2.5 110 20 319.1 320.4 294.4 340.6 6.72 12 575 4760 2.6 -3.4 65 6.0 -0.5 115 20 323.0 324.1 294.3 340.0 5.18 13 543 5223 0.4 -4.6 69 5.0 -2.1 119 19 325.7 326.7 294.9 342.3 5.01 14 500 5880 -4.7 -6.4 88 1.7 -5.5 125 19 327.3 328.3 295.1 343.1 4.74 15 496 5943 -5.1 -6.4 91 1.3 -5.7 127 19 327.6 328.5 295.1 343.5 4.78 16 400 7600 -14.3 -20.3 60 6.0 -16.3 180 15 336.4 336.8 295.1 343.2 1.90 17 354 8521 -19.1 -33.1 28 14.0 -22.1 210 11 341.9 342.0 295.4 344.5 0.66 18 328 9085 -23.9 -37.9 26 14.0 -26.3 228 8 342.8 342.9 295.4 344.6 0.44 19 300 9730 -29.9 -36.9 51 7.0 -31.0 250 5 343.2 343.4 295.6 345.3 0.54 20 270 10471 -36.3 -39.3 74 3.0 -36.7 158 8 344.4 344.5 295.8 346.3 0.47 21 256 10838 -39.5 -45.5 53 6.0 -40.0 111 10 345.0 345.0 295.7 346.0 0.26 22 250 11000 -40.9 -45.6 60 4.7 -41.3 90 11 345.3 345.3 295.8 346.3 0.26 23 233 11472 -45.3 -47.3 80 2.0 -45.4 90 13 345.6 345.7 295.8 346.5 0.23 24 229 11587 -45.9 -51.9 51 6.0 -46.2 90 13 346.4 346.4 296.0 347.0 0.14 25 227 11645 -46.3 -50.5 62 4.2 -46.6 90 14 346.7 346.7 296.0 347.3 0.16 26 200 12470 -53.5 -60.5 42 7.0 -53.7 90 17 348.0 348.1 296.3 348.3 0.06 27 192 12731 -55.5 -61.5 47 6.0 -55.6 94 20 348.9 348.9 296.4 349.1 0.05 28 189 12832 -56.1 -67.1 24 11.0 -56.3 95 21 349.5 349.5 296.5 349.6 0.02 29 169 13533 -62.3 -70.3 33 8.0 -62.4 105 29 350.6 350.6 296.8 350.7 0.02 30 163 13755 -63.7 -77.7 13 14.0 -63.8 108 32 351.9 351.9 297.0 351.9 0.01 31 150 14260 -68.1 -76.1 31 8.0 -68.1 115 38 352.8 352.8 297.3 352.8 0.01 32 128 15197 -75.5 -79.9 50 4.4 -75.5 117 40 355.8 355.8 297.8 355.8 0.01 33 101 16535 -85.5 -91.5 33 6.0 -85.5 120 44 361.5 361.5 299.0 361.5 0.00 34 100 16590 -84.7 -91.7 28 7.0 -84.7 120 38 364.1 364.1 299.5 364.1 0.00 TRP 101 16535 -85.5 -91.5 33 6.0 -85.5 120 44 361.5 361.5 299.0 361.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 539.63 mb = 5274.30 m = 17303.94 ft Wetbulb zero: 581.62 mb = 4667.15 m = 15312.00 ft Precipitable water: 2.23 inches Sfc-500 mean rel hum: 82.17 % Est. max temperature: 31.06 C = 87.90 F Sfc-Lift cond lev (LCL): 926.26 mb = 767.19 m = 2516.98 ft T: 21.57 C 700-500 lapse rate: 5.31 C/km ThetaE index: 3.74 C Layer 829.0- 733.0 mb Conv cond level (CCL): 836.88 mb = 1641.79 m = 5386.37 ft Mean mixing ratio: 13.65 g/kg Conv temperature: 31.90 C = 89.43 F Cap Strength: 3.78 C Lifted Index: 2.43 C Risk: None Lifted Index @300 mb: 4.71 C Lifted Index @700 mb: 2.40 C Showalter Index: 0.14 C Risk: Thunderstorms probable Total Totals Index: 42.40 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 21.10 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 273.80 Risk: None Energy Index: -0.43 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.51 J/kg Max Up Vert Vel: 5.75 m/s Conv Inhibition (B-): 3121.33 J/kg Cap Strength: 3.73 C Lift Cond Lev (LCL): 897.24 mb = 1042.27 m = 3419.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 124 at 15 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 19 355 5 0.4 -5.0 | 316 18 12.5 -13.0 1 1000 98 360 9 -0.0 -9.0 | 325 21 12.1 -17.0 2 925 779 10 5 -0.9 -4.9 | 319 17 11.2 -13.0 3 850 1509 70 29 -27.3 -9.9 | 40 24 -15.2 -18.0 4 700 3150 100 21 -20.7 3.6 | 63 10 -8.6 -4.4 5 500 5880 125 19 -15.6 10.9 | 129 4 -3.5 2.9 6 400 7600 180 15 0.0 15.0 | 240 14 12.1 7.0 7 300 9730 250 5 4.7 1.7 | 291 18 16.8 -6.3 8 250 11000 90 11 -11.0 0.0 | 352 8 1.1 -8.0 9 200 12470 90 17 -17.0 0.0 | 31 9 -4.9 -8.0 10 150 14260 115 38 -34.4 16.1 | 110 24 -22.3 8.0 11 101 16535 120 44 -38.1 22.0 | 118 30 -26.0 14.0 12 100 16590 120 38 -32.9 19.0 | 118 24 -20.8 11.0 Wind Parameters Mean winds (0-6000m): 93.6 at 19.4 knts Storm direction: 123.6 at 14.5 knts Shear (0-3000m) pos: 4.0 neg: 0.0 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 104.9 deg Storm rel helicity (0-3000m) pos: 206.8 neg: -7.7 tot: 199.2 m^2/s^2 ave: 66.4 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 6.3 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.28 Bulk Shear: 58.52 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 2 8 323 20| 1.9 0.0 1.9| 14.6 -4.6 10.0 19.9 0.31| 6.6 2.0 1000 9 7 325 19| 4.7 0.0 4.7| 52.9 -7.7 45.2 45.2 0.57| 8.1 4.7 1500 45 12 348 17| 9.6 0.0 9.6|178.2 -7.7 170.5 113.6 0.81| 13.0 10.6 2000 59 16 5 16| 6.8 0.0 6.8|192.4 -7.7 184.7 92.4 0.78| 11.0 8.6 2500 66 18 15 16| 5.1 0.0 5.1|201.6 -7.7 193.9 77.6 0.74| 9.8 7.3 3000 71 19 22 15| 4.0 0.0 4.0|206.8 -7.7 199.2 66.4 0.71| 8.9 6.3 4000 80 19 31 13| 2.9 0.0 2.9|212.3 -7.7 204.6 51.1 0.70| 7.2 5.0 5000 87 19 39 12| 2.3 0.0 2.3|216.6 -7.7 208.9 41.8 0.71| 6.1 4.3 6000 94 19 47 10| 1.9 0.0 1.9|221.6 -7.7 213.9 35.7 0.72| 5.4 3.9 Wrote GIF file: /home/apache/climate/data/raob//VVTS/skewt/VVTS.skewt.20251210.00.gif