UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 1 MAY 25 Station: VV839 WMO ident: 48839 Latitude: 20.13 Longitude: 107.72 ------------------------------------------------------------------------------- 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 1013 10 26.4 24.9 91 1.5 25.3 75 1 298.4 302.1 298.0 356.6 19.94 1 1000 123 25.2 23.4 90 1.8 23.9 85 3 298.4 301.7 297.1 352.0 18.41 2 966 428 24.2 19.3 74 4.9 20.8 145 4 300.3 303.0 295.1 343.5 14.74 3 925 807 21.4 20.0 92 1.4 20.4 220 5 301.2 304.1 296.3 348.6 16.11 4 855 1487 17.0 16.7 98 0.3 16.8 257 3 303.4 306.1 295.6 345.4 14.13 5 850 1537 16.8 16.4 97 0.4 16.5 260 3 303.7 306.3 295.6 345.2 13.94 6 787 2192 14.2 9.2 72 5.0 11.1 268 5 307.7 309.5 293.3 336.0 9.32 7 768 2399 13.0 11.5 91 1.5 12.0 270 5 308.6 310.7 294.9 342.5 11.17 8 735 2768 11.8 7.0 72 4.8 8.9 275 6 311.2 312.8 293.7 337.6 8.58 9 700 3176 9.2 5.0 75 4.2 6.7 280 7 312.7 314.2 293.6 337.0 7.84 10 652 3761 5.6 5.4 99 0.2 5.5 274 9 315.0 316.7 294.8 342.1 8.67 11 586 4626 0.8 0.8 100 0.0 0.8 264 12 319.2 320.5 294.7 341.4 6.94 12 581 4695 1.4 -1.9 79 3.3 -0.3 263 13 320.7 321.8 294.1 339.2 5.74 13 530 5429 -3.1 -4.2 92 1.1 -3.7 255 15 323.8 324.9 294.6 341.2 5.30 14 522 5550 -2.7 -7.3 71 4.6 -4.9 254 16 325.7 326.6 294.3 339.8 4.24 15 521 5565 -2.7 -7.2 71 4.5 -4.8 254 16 325.9 326.7 294.3 340.1 4.28 16 500 5890 -5.5 -6.8 91 1.3 -6.1 250 17 326.3 327.2 294.7 341.6 4.60 17 422 7202 -14.9 -15.0 99 0.1 -14.9 258 25 330.5 331.1 294.4 340.3 2.83 18 416 7312 -13.5 -16.9 75 3.4 -14.7 258 25 333.7 334.2 294.8 342.3 2.45 19 400 7610 -15.5 -18.7 76 3.2 -16.6 260 27 334.8 335.3 294.9 342.6 2.19 20 394 7724 -16.1 -18.1 85 2.0 -16.8 260 27 335.5 336.0 295.2 343.8 2.34 21 377 8054 -18.1 -26.1 50 8.0 -20.2 261 27 337.1 337.4 294.7 341.5 1.21 22 355 8499 -21.7 -22.8 91 1.1 -22.0 262 26 338.1 338.5 295.4 344.4 1.72 23 345 8709 -22.7 -28.7 58 6.0 -24.1 263 26 339.6 339.8 295.1 343.4 1.04 24 321 9234 -25.7 -34.7 43 9.0 -27.3 264 25 342.5 342.6 295.5 344.9 0.63 25 306 9579 -28.7 -32.5 70 3.8 -29.4 265 25 343.0 343.2 295.8 346.1 0.81 26 300 9720 -29.1 -38.1 42 9.0 -30.4 265 25 344.4 344.5 295.8 346.2 0.48 27 277 10287 -33.9 -42.9 40 9.0 -34.9 276 31 345.4 345.5 295.9 346.6 0.31 28 257 10810 -38.5 -41.0 77 2.5 -38.8 286 36 346.1 346.2 296.1 347.7 0.41 29 250 11000 -40.3 -43.0 75 2.7 -40.6 290 38 346.2 346.2 296.1 347.5 0.34 30 216 11978 -47.5 -58.5 27 11.0 -47.9 280 39 349.8 349.8 296.7 350.1 0.07 31 200 12480 -52.1 -59.1 43 7.0 -52.3 275 40 350.3 350.3 296.7 350.5 0.07 32 188 12877 -55.5 -59.8 59 4.3 -55.6 273 39 351.0 351.0 296.9 351.3 0.06 33 183 13049 -57.1 -63.1 46 6.0 -57.2 272 39 351.2 351.2 296.9 351.3 0.04 34 179 13188 -57.7 -66.7 31 9.0 -57.9 271 38 352.4 352.4 297.2 352.5 0.03 35 168 13585 -61.1 -66.1 51 5.0 -61.2 269 38 353.2 353.2 297.4 353.3 0.03 36 154 14120 -65.1 -74.1 28 9.0 -65.2 266 36 355.3 355.3 297.8 355.3 0.01 37 150 14280 -66.5 -74.5 32 8.0 -66.5 265 36 355.5 355.5 297.8 355.6 0.01 38 123 15452 -75.7 -81.7 38 6.0 -75.7 262 30 359.5 359.5 298.6 359.6 0.00 39 119 15642 -76.7 -81.7 45 5.0 -76.7 262 29 361.1 361.1 298.9 361.1 0.00 40 105 16354 -80.5 -85.5 43 5.0 -80.5 260 25 367.0 367.0 300.0 367.0 0.00 41 100 16630 -79.5 -85.5 36 6.0 -79.5 225 17 374.1 374.1 301.3 374.1 0.00 TRP 105 16354 -80.5 -85.5 43 5.0 -80.5 260 25 367.0 367.0 300.0 367.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5767.00 m Freezing level: 565.13 mb = 4923.77 m = 16153.91 ft Wetbulb zero: 582.49 mb = 4674.79 m = 15337.05 ft Precipitable water: 2.36 inches Sfc-500 mean rel hum: 86.95 % Est. max temperature: 31.15 C = 88.08 F Sfc-Lift cond lev (LCL): 991.65 mb = 196.83 m = 645.77 ft T: 24.96 C 700-500 lapse rate: 5.42 C/km ThetaE index: 13.10 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 898.48 mb = 1058.31 m = 3472.10 ft Mean mixing ratio: 16.34 g/kg Conv temperature: 30.00 C = 86.00 F Cap Strength: 1.11 C Lifted Index: -1.83 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.41 C Lifted Index @700 mb: -0.84 C Showalter Index: -0.77 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.30 C Cross Totals Index: 21.90 C K Index: 34.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.80 Risk: None Energy Index: -0.80 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 414.65 J/kg Max Up Vert Vel: 28.80 m/s Conv Inhibition (B-): 17.41 J/kg Cap Strength: 1.11 C Lift Cond Lev (LCL): 924.67 mb = 810.05 m = 2657.62 ft Lev Free Conv (LFC): 869.67 mb = 1339.77 m = 4395.50 ft Equ Level (EL): 299.67 mb = 9727.75 m = 31914.82 ft B at Equ Level: 413.95 J/kg Max Parcel Lev (MPL): 139.67 mb = 14701.28 m = 48231.95 ft Wind level data Storm motion: 288 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 1013 10 75 1 -1.0 -0.3 | 104 7 -6.8 1.7 1 1000 123 85 3 -3.0 -0.3 | 101 9 -8.9 1.7 2 925 807 220 5 3.2 3.8 | 155 6 -2.7 5.8 3 850 1537 260 3 3.0 0.5 | 130 4 -2.9 2.4 4 700 3176 280 7 6.9 -1.2 | 235 1 1.0 0.7 5 500 5890 250 17 16.0 5.8 | 233 13 10.1 7.7 6 400 7610 260 27 26.6 4.7 | 252 22 20.7 6.6 7 300 9720 265 25 24.9 2.2 | 258 19 19.0 4.1 8 250 11000 290 38 35.7 -13.0 | 290 32 29.8 -11.1 9 200 12480 275 40 39.8 -3.5 | 273 34 34.0 -1.6 10 150 14280 265 36 35.9 3.1 | 260 30 30.0 5.1 11 105 16354 260 25 24.6 4.3 | 252 20 18.8 6.3 12 100 16630 225 17 12.0 12.0 | 204 15 6.2 13.9 Wind Parameters Mean winds (0-6000m): 258.1 at 8.2 knts Storm direction: 288.1 at 6.2 knts Shear (0-3000m) pos: 1.3 neg: 0.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 109.7 deg Storm rel helicity (0-3000m) pos: 20.9 neg: -3.0 tot: 17.9 m^2/s^2 ave: 6.0 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 1.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 27.07 Bulk Shear: 15.32 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 ------------------------------------------------------------------------------- 500 123 3 113 9| 4.3 0.0 4.3| 11.7 -0.9 10.8 21.7 0.63| 7.0 4.4 1000 196 4 140 7| 2.8 0.0 2.8| 19.4 -1.2 18.2 18.2 0.61| 6.5 4.0 1500 217 4 145 6| 1.4 0.0 1.4| 19.4 -3.0 16.4 10.9 0.41| 5.1 2.1 2000 232 4 146 5| 1.3 0.0 1.3| 19.9 -3.0 16.9 8.4 0.42| 4.1 1.7 2500 244 4 148 4| 1.3 0.0 1.3| 20.4 -3.0 17.4 7.0 0.44| 3.6 1.6 3000 255 4 151 3| 1.3 0.0 1.3| 20.9 -3.0 17.9 6.0 0.47| 3.2 1.5 4000 265 5 166 3| 1.0 0.5 1.4| 21.2 -3.0 18.2 4.5 0.43| 2.9 1.2 5000 264 7 195 3| 0.8 0.8 1.6| 21.2 -4.6 16.7 3.3 0.33| 2.8 0.9 6000 258 8 211 4| 0.6 1.0 1.7| 22.4 -8.5 13.8 2.3 0.24| 2.7 0.7 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250501.00.gif