UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for VV811... Searching the city database file for: VV811 ... Date:0000Z 28 APR 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 101 SFC 958 474 21.2 20.7 97 0.5 20.9 315 1 298.0 300.9 295.6 345.1 16.25 2 925 778 19.6 18.8 95 0.8 19.1 40 1 299.4 302.1 295.0 342.9 14.93 3 921 815 19.6 18.7 95 0.9 19.0 34 1 299.7 302.4 295.1 343.3 14.90 4 878 1230 21.2 16.6 75 4.6 18.0 332 2 305.5 308.1 295.8 346.4 13.66 5 850 1511 19.8 16.3 80 3.5 17.4 290 3 306.9 309.5 296.3 348.6 13.85 6 818 1842 18.8 14.2 75 4.6 15.7 292 4 309.2 311.6 296.0 347.3 12.55 7 802 2012 19.4 11.4 60 8.0 14.1 293 4 311.6 313.6 295.3 344.2 10.62 8 726 2861 12.4 10.6 89 1.8 11.2 298 6 312.9 315.1 296.0 347.3 11.13 9 700 3167 10.4 6.3 76 4.1 7.9 300 7 314.0 315.6 294.5 340.8 8.59 10 625 4100 4.0 -3.0 60 7.0 0.4 278 9 317.0 318.0 292.4 332.8 4.91 11 614 4244 2.8 -2.2 70 5.0 0.2 275 9 317.3 318.3 292.9 334.2 5.31 12 578 4731 0.0 -3.0 80 3.0 -1.6 263 10 319.5 320.5 293.5 336.6 5.31 13 524 5511 -3.9 -26.9 15 23.0 -10.4 244 12 323.9 324.1 290.8 326.8 0.81 14 500 5880 -6.5 -21.5 29 15.0 -11.3 235 13 325.1 325.4 291.7 329.9 1.37 15 499 5896 -6.5 -21.5 29 15.0 -11.3 235 13 325.3 325.6 291.7 330.1 1.37 16 475 6279 -8.5 -33.5 11 25.0 -14.3 248 13 327.4 327.5 291.5 329.2 0.48 17 435 6956 -13.1 -20.1 56 7.0 -15.3 269 12 330.0 330.3 293.4 336.2 1.78 18 431 7026 -13.5 -24.5 39 11.0 -16.6 272 12 330.3 330.6 293.0 334.7 1.22 19 425 7132 -14.3 -17.3 78 3.0 -15.3 275 12 330.6 331.1 294.0 338.7 2.32 20 417 7276 -15.3 -16.5 91 1.2 -15.7 280 11 331.1 331.6 294.3 339.9 2.53 21 403 7534 -16.1 -22.1 60 6.0 -17.9 288 11 333.3 333.7 294.1 339.1 1.61 22 400 7590 -16.7 -21.7 65 5.0 -18.2 290 11 333.3 333.6 294.1 339.3 1.69 23 353 8517 -23.9 -25.0 91 1.1 -24.2 275 16 335.7 336.0 294.5 340.9 1.42 24 332 8964 -26.1 -29.3 74 3.2 -26.8 267 19 338.6 338.9 294.9 342.4 1.02 25 300 9690 -31.5 -32.4 92 0.9 -31.7 255 23 341.0 341.2 295.3 344.2 0.84 26 293 9857 -33.1 -33.3 98 0.2 -33.1 257 25 341.0 341.2 295.3 344.0 0.79 27 275 10302 -35.5 -38.6 73 3.1 -35.9 262 30 343.8 343.9 295.7 345.7 0.49 28 268 10481 -36.5 -38.1 85 1.6 -36.7 264 32 344.9 345.0 296.0 347.0 0.53 29 267 10507 -36.9 -41.5 62 4.6 -37.4 265 33 344.7 344.7 295.8 346.2 0.38 30 260 10691 -38.5 -46.5 43 8.0 -39.2 267 35 344.9 345.0 295.7 345.9 0.23 31 253 10878 -39.9 -42.4 77 2.5 -40.1 269 37 345.6 345.6 296.0 347.0 0.36 32 250 10960 -40.3 -46.3 53 6.0 -40.8 270 38 346.2 346.2 296.0 347.1 0.24 33 249 10987 -40.3 -46.3 53 6.0 -40.8 270 38 346.5 346.6 296.1 347.5 0.24 34 232 11465 -44.5 -48.5 64 4.0 -44.7 268 38 347.2 347.3 296.2 348.1 0.20 35 230 11522 -44.7 -55.7 28 11.0 -45.2 268 38 347.8 347.8 296.3 348.2 0.09 36 226 11639 -45.9 -67.9 7 22.0 -46.5 268 38 347.7 347.7 296.1 347.8 0.02 37 200 12440 -52.5 -60.5 37 8.0 -52.7 265 38 349.6 349.6 296.6 349.9 0.06 38 190 12768 -55.3 -61.3 47 6.0 -55.5 266 39 350.3 350.3 296.7 350.5 0.05 39 187 12869 -56.1 -67.1 24 11.0 -56.3 266 40 350.6 350.6 296.8 350.7 0.02 40 181 13075 -57.7 -62.3 56 4.6 -57.8 267 41 351.3 351.3 297.0 351.5 0.05 41 174 13322 -59.7 -64.1 56 4.4 -59.8 267 42 352.0 352.0 297.1 352.1 0.04 42 162 13763 -63.7 -67.9 56 4.2 -63.7 269 44 352.5 352.5 297.2 352.6 0.03 43 150 14230 -67.1 -72.1 49 5.0 -67.1 270 46 354.5 354.5 297.6 354.6 0.02 44 136 14816 -70.5 -78.5 30 8.0 -70.5 263 39 358.6 358.6 298.4 358.6 0.01 45 100 16600 -79.3 -85.3 37 6.0 -79.3 240 17 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5779.00 m Freezing level: 578.00 mb = 4730.74 m = 15520.60 ft Wetbulb zero: 610.00 mb = 4296.58 m = 14096.21 ft Precipitable water: 1.78 inches Sfc-500 mean rel hum: 67.85 % Est. max temperature: 33.76 C = 92.77 F Sfc-Lift cond lev (LCL): 951.34 mb = 534.59 m = 1753.88 ft T: 20.88 C 700-500 lapse rate: 6.23 C/km ThetaE index: 14.55 C Layer 700.0- 614.0 mb Conv cond level (CCL): 756.65 mb = 2508.57 m = 8230.13 ft Mean mixing ratio: 14.60 g/kg Conv temperature: 35.44 C = 95.80 F Cap Strength: 5.02 C Lifted Index: -1.72 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.38 C Lifted Index @700 mb: 1.18 C Showalter Index: -3.00 C Risk: Severe thunderstorms possible Total Totals Index: 49.10 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 22.80 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 216.60 Risk: None Energy Index: -3.60 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 338.83 J/kg Max Up Vert Vel: 26.03 m/s Conv Inhibition (B-): 229.15 J/kg Cap Strength: 4.80 C Lift Cond Lev (LCL): 876.75 mb = 1242.39 m = 4076.03 ft Lev Free Conv (LFC): 651.75 mb = 3754.82 m = 12318.82 ft Equ Level (EL): 281.75 mb = 10131.71 m = 33240.13 ft B at Equ Level: 336.22 J/kg Max Parcel Lev (MPL): 171.75 mb = 13402.43 m = 43970.69 ft Wind level data Storm motion: 294 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 ---------------------------------------------------------- 0 958 474 315 1 0.7 -0.7 | 109 5 -4.5 1.6 1 925 778 40 1 -0.6 -0.8 | 104 6 -5.8 1.5 2 850 1511 290 3 2.8 -1.0 | 118 3 -2.4 1.2 3 700 3167 300 7 6.1 -3.5 | 325 2 0.9 -1.2 4 500 5880 235 13 10.6 7.5 | 209 11 5.5 9.7 5 400 7590 290 11 10.3 -3.8 | 286 5 5.1 -1.5 6 300 9690 255 23 22.2 6.0 | 244 19 17.0 8.2 7 250 10960 270 38 38.0 -0.0 | 266 33 32.8 2.3 8 200 12440 265 38 37.9 3.3 | 260 33 32.7 5.6 9 150 14230 270 46 46.0 -0.0 | 267 41 40.8 2.3 10 100 16600 240 17 14.7 8.5 | 222 14 9.5 10.8 Wind Parameters Mean winds (0-6000m): 263.6 at 7.5 knts Storm direction: 293.6 at 5.7 knts Shear (0-3000m) pos: 0.4 neg: 0.9 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): -179.2 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -2.9 tot: -1.7 m^2/s^2 ave: -0.6 10^-3 m/s^2 rel: -0.23 Storm rel vorticity (0-3000m) horiz: 1.9 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 40.72 Bulk Shear: 8.32 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 10 1 102 6| 1.3 0.0 1.3| 0.1 -1.7 -1.5 -3.1 -0.47| 2.3 -1.1 1000 323 2 103 4| 0.7 1.5 2.2| 1.0 -2.2 -1.2 -1.2 -0.08| 2.8 -0.2 1500 303 2 108 3| 0.4 1.4 1.8| 1.2 -2.2 -1.0 -0.7 -0.03| 2.3 -0.1 2000 299 3 108 3| 0.4 1.0 1.4| 1.2 -2.3 -1.1 -0.5 -0.08| 2.1 -0.2 2500 299 4 105 2| 0.5 0.8 1.4| 1.2 -2.4 -1.2 -0.5 -0.15| 1.9 -0.3 3000 299 4 100 2| 0.4 0.9 1.4| 1.2 -2.9 -1.7 -0.6 -0.23| 1.9 -0.4 4000 290 5 151 1| 0.3 1.1 1.5| 1.2 -5.4 -4.2 -1.1 -0.35| 2.0 -0.7 5000 275 6 217 2| 0.3 1.3 1.5| 1.2 -11.4 -10.2 -2.0 -0.41| 2.1 -0.9 6000 264 8 217 4| 0.5 1.2 1.7| 10.3 -15.4 -5.1 -0.9 -0.24| 2.3 -0.5 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250428.00.gif