UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 29 APR 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 1012 5 25.8 23.9 89 1.9 24.4 55 5 297.9 301.3 297.2 352.5 18.76 1 1000 109 24.2 23.4 95 0.8 23.6 60 11 297.4 300.7 296.8 350.7 18.41 2 985 242 23.4 22.5 95 0.9 22.8 66 11 297.8 301.0 296.4 349.2 17.68 3 970 376 24.0 20.8 82 3.2 21.7 72 10 299.7 302.7 296.0 347.0 16.14 4 925 792 22.2 18.4 79 3.8 19.5 90 9 302.0 304.7 295.5 344.9 14.55 5 869 1334 19.0 14.0 73 5.0 15.7 164 3 304.1 306.3 294.0 338.8 11.64 6 850 1524 18.2 14.5 79 3.7 15.7 190 1 305.2 307.5 294.8 342.0 12.31 7 726 2860 10.4 9.3 93 1.1 9.7 239 7 310.7 312.7 294.8 342.0 10.19 8 700 3164 9.2 7.0 86 2.2 7.9 250 9 312.7 314.4 294.4 340.6 9.02 9 662 3625 7.2 0.2 61 7.0 3.4 236 8 315.5 316.6 292.8 334.0 5.87 10 605 4361 2.8 -4.2 60 7.0 -0.7 213 6 318.6 319.5 292.7 333.6 4.63 11 599 4441 2.6 -11.4 35 14.0 -3.3 211 5 319.3 319.8 291.2 328.1 2.67 12 583 4660 0.8 -12.2 37 13.0 -4.6 204 5 319.7 320.2 291.2 328.2 2.57 13 579 4715 0.2 -4.1 73 4.3 -2.0 202 4 319.6 320.5 293.2 335.4 4.88 14 574 4785 0.0 -4.9 70 4.9 -2.4 200 4 320.1 321.1 293.1 335.2 4.63 15 568 4869 0.4 -16.6 27 17.0 -6.0 197 4 321.6 321.9 291.1 327.8 1.84 16 546 5185 -2.3 -11.3 50 9.0 -6.1 187 3 322.0 322.6 292.2 331.9 2.95 17 530 5421 -3.3 -22.3 21 19.0 -9.4 180 2 323.6 323.8 291.1 327.8 1.21 18 520 5571 -4.1 -15.1 42 11.0 -8.3 175 2 324.4 324.8 292.3 332.1 2.27 19 513 5678 -4.5 -19.5 30 15.0 -9.6 171 2 325.2 325.5 291.9 330.7 1.59 20 509 5740 -5.1 -10.0 68 4.9 -7.2 170 1 325.2 325.9 293.6 336.9 3.52 21 501 5864 -5.9 -18.9 35 13.0 -10.4 166 1 325.7 326.0 292.2 331.6 1.71 22 500 5880 -6.1 -18.1 38 12.0 -10.3 165 1 325.6 326.0 292.2 331.9 1.84 23 464 6459 -10.1 -10.1 100 0.0 -10.1 198 4 327.7 328.4 294.4 340.5 3.83 24 461 6509 -10.1 -12.6 82 2.5 -11.1 201 4 328.3 328.9 294.1 339.0 3.15 25 433 6989 -11.7 -14.6 79 2.9 -12.8 229 6 332.2 332.7 294.8 342.0 2.85 26 400 7590 -16.5 -17.1 95 0.6 -16.7 265 9 333.5 334.1 294.8 342.3 2.50 27 389 7800 -18.1 -18.2 99 0.1 -18.1 264 10 334.1 334.6 294.9 342.4 2.35 28 377 8034 -18.3 -22.0 73 3.7 -19.4 263 12 336.9 337.2 295.1 343.1 1.74 29 345 8692 -23.1 -25.3 82 2.2 -23.7 260 16 339.0 339.3 295.3 344.2 1.42 30 342 8757 -22.5 -28.5 58 6.0 -23.9 260 17 340.7 340.9 295.4 344.7 1.07 31 330 9019 -23.7 -31.7 48 8.0 -25.4 258 18 342.5 342.7 295.7 345.6 0.82 32 319 9267 -25.3 -34.3 43 9.0 -27.0 257 20 343.6 343.8 295.8 346.2 0.66 33 300 9710 -29.5 -35.5 56 6.0 -30.5 255 23 343.8 343.9 295.8 346.2 0.62 34 286 10048 -32.7 -37.1 65 4.4 -33.3 260 23 344.0 344.1 295.8 346.1 0.55 35 282 10147 -33.5 -42.5 40 9.0 -34.6 262 23 344.2 344.3 295.6 345.5 0.32 36 280 10197 -33.7 -38.7 61 5.0 -34.4 263 23 344.6 344.7 295.8 346.5 0.48 37 279 10222 -33.7 -41.7 44 8.0 -34.7 263 23 345.0 345.0 295.8 346.4 0.35 38 262 10659 -37.5 -46.5 39 9.0 -38.3 270 23 345.6 345.7 295.8 346.6 0.22 39 252 10926 -39.7 -49.7 34 10.0 -40.4 274 23 346.3 346.3 296.0 346.9 0.16 40 250 10980 -40.3 -48.3 42 8.0 -40.9 275 23 346.2 346.2 296.0 346.9 0.19 41 236 11370 -43.9 -46.7 74 2.8 -44.1 274 24 346.5 346.5 296.1 347.5 0.24 42 205 12300 -51.9 -55.2 68 3.3 -52.0 271 25 348.1 348.1 296.3 348.6 0.10 43 200 12460 -53.1 -57.5 59 4.4 -53.2 270 25 348.7 348.7 296.4 349.0 0.08 44 181 13094 -58.3 -62.3 60 4.0 -58.4 270 30 350.3 350.3 296.7 350.5 0.05 45 154 14091 -65.7 -75.7 24 10.0 -65.8 270 37 354.2 354.2 297.5 354.3 0.01 46 153 14130 -66.1 -76.1 23 10.0 -66.2 270 37 354.2 354.2 297.5 354.2 0.01 47 150 14250 -66.9 -76.9 23 10.0 -67.0 270 38 354.8 354.8 297.7 354.9 0.01 48 121 15522 -73.5 -84.5 17 11.0 -73.5 273 27 365.3 365.3 299.7 365.3 0.00 49 101 16554 -81.3 -86.2 43 4.9 -81.3 275 17 369.6 369.6 300.5 369.6 0.00 50 100 16610 -81.3 -86.3 42 5.0 -81.3 270 17 370.6 370.6 300.7 370.7 0.00 TRP 101 16554 -81.3 -86.2 43 4.9 -81.3 275 17 369.6 369.6 300.5 369.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5771.00 m Freezing level: 564.74 mb = 4915.71 m = 16127.46 ft Wetbulb zero: 614.57 mb = 4232.43 m = 13885.75 ft Precipitable water: 2.11 inches Sfc-500 mean rel hum: 68.65 % Est. max temperature: 32.41 C = 90.34 F Sfc-Lift cond lev (LCL): 984.86 mb = 242.88 m = 796.85 ft T: 23.41 C 700-500 lapse rate: 5.63 C/km ThetaE index: 13.91 C Layer 726.0- 583.0 mb Conv cond level (CCL): 871.19 mb = 1311.82 m = 4303.82 ft Mean mixing ratio: 16.19 g/kg Conv temperature: 31.92 C = 89.46 F Cap Strength: 2.07 C Lifted Index: -2.19 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.36 C Lifted Index @700 mb: -0.66 C Showalter Index: -0.14 C Risk: Thunderstorms probable Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 20.60 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 177.00 Risk: None Energy Index: -1.95 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 361.42 J/kg Max Up Vert Vel: 26.89 m/s Conv Inhibition (B-): 62.69 J/kg Cap Strength: 2.07 C Lift Cond Lev (LCL): 924.67 mb = 795.09 m = 2608.54 ft Lev Free Conv (LFC): 769.67 mb = 2365.10 m = 7759.42 ft Equ Level (EL): 329.67 mb = 9026.40 m = 29613.80 ft B at Equ Level: 355.45 J/kg Max Parcel Lev (MPL): 139.67 mb = 14672.42 m = 48137.28 ft Wind level data Storm motion: 260 at 4 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 1012 5 55 5 -4.1 -2.9 | 66 9 -8.2 -3.6 1 1000 109 60 11 -9.5 -5.5 | 65 15 -13.6 -6.2 2 925 792 90 9 -9.0 0.0 | 87 13 -13.1 -0.7 3 850 1524 190 1 0.2 1.0 | 94 4 -3.9 0.3 4 700 3164 250 9 8.5 3.1 | 242 5 4.4 2.4 5 500 5880 165 1 -0.3 1.0 | 93 4 -4.3 0.2 6 400 7590 265 9 9.0 0.8 | 269 5 4.9 0.1 7 300 9710 255 23 22.2 6.0 | 254 19 18.1 5.2 8 250 10980 275 23 22.9 -2.0 | 278 19 18.8 -2.7 9 200 12460 270 25 25.0 -0.0 | 272 21 20.9 -0.7 10 150 14250 270 38 38.0 -0.0 | 271 34 33.9 -0.7 11 101 16554 275 17 16.9 -1.5 | 280 13 12.9 -2.2 12 100 16610 270 17 17.0 -0.0 | 273 13 12.9 -0.7 Wind Parameters Mean winds (0-6000m): 230.0 at 5.5 knts Storm direction: 260.0 at 4.1 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 163.0 deg Storm rel helicity (0-3000m) pos: 42.3 neg: -2.3 tot: 40.0 m^2/s^2 ave: 13.3 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.9 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 11.71 Bulk Shear: 30.88 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 67 10 70 14| 5.7 0.0 5.7| 12.3 -0.6 11.8 23.6 0.33| 9.4 3.1 1000 77 9 78 13| 3.3 0.0 3.3| 30.8 -0.6 30.2 30.2 0.54| 8.2 4.5 1500 80 8 80 12| 2.0 0.0 2.0| 34.7 -2.3 32.4 21.6 0.38| 8.0 3.1 2000 84 6 82 10| 2.1 0.0 2.1| 36.8 -2.3 34.5 17.2 0.43| 6.6 2.8 2500 93 6 88 10| 2.2 0.0 2.2| 39.2 -2.3 36.9 14.8 0.49| 5.8 2.9 3000 108 6 97 10| 2.3 0.0 2.3| 42.3 -2.3 40.0 13.3 0.54| 5.4 2.9 4000 206 6 167 5| 1.7 0.4 2.1| 43.3 -6.9 36.4 9.1 0.38| 4.7 1.8 5000 217 6 175 4| 1.4 0.7 2.0| 43.3 -11.3 32.0 6.4 0.24| 4.2 1.0 6000 230 6 183 3| 1.1 0.7 1.8| 43.8 -14.4 29.4 4.9 0.17| 3.8 0.7 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20250429.00.gif