UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 25 APR 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 1009 7 25.2 23.8 92 1.4 24.2 0 0 297.6 301.0 297.0 351.9 18.70 1 1000 85 25.8 22.5 82 3.3 23.4 270 3 299.0 302.1 296.5 349.7 17.41 2 925 773 24.0 20.7 82 3.3 21.6 295 1 303.8 307.0 297.5 354.0 16.84 3 871 1300 22.8 17.8 73 5.0 19.3 6 5 307.9 310.7 297.3 352.9 14.89 4 850 1513 21.8 16.8 73 5.0 18.3 35 7 309.0 311.7 297.1 352.4 14.31 5 799 2047 17.8 13.8 77 4.0 15.1 358 7 310.2 312.6 296.3 348.4 12.52 6 760 2475 15.6 6.6 55 9.0 10.1 329 7 312.3 313.9 293.7 337.3 8.07 7 700 3169 11.4 3.4 58 8.0 6.8 280 7 315.1 316.5 293.6 337.1 7.00 8 665 3596 9.0 1.0 57 8.0 4.5 283 6 317.1 318.3 293.5 336.8 6.20 9 574 4795 0.0 -0.5 96 0.5 -0.3 292 3 320.1 321.4 294.5 340.9 6.44 10 500 5890 -5.9 -6.3 97 0.4 -6.1 300 1 325.8 326.8 294.7 341.7 4.78 11 488 6080 -6.9 -7.2 98 0.3 -7.1 297 1 326.9 327.8 294.8 342.1 4.57 12 466 6440 -8.7 -9.8 92 1.1 -9.2 292 1 329.0 329.8 294.8 342.2 3.90 13 400 7610 -15.5 -16.8 90 1.3 -16.0 275 1 334.8 335.4 295.3 343.9 2.57 14 358 8442 -20.5 -23.0 80 2.5 -21.2 262 3 338.9 339.3 295.5 345.0 1.68 15 300 9730 -29.5 -32.6 74 3.1 -30.1 240 7 343.8 344.0 296.0 346.9 0.82 16 289 9994 -31.3 -34.5 73 3.2 -31.9 237 7 344.9 345.1 296.1 347.7 0.71 17 250 11000 -39.5 -43.2 68 3.7 -39.9 225 9 347.3 347.4 296.3 348.7 0.34 18 230 11566 -44.1 -47.6 68 3.5 -44.3 221 10 348.7 348.8 296.5 349.6 0.23 19 200 12490 -51.7 -55.9 61 4.2 -51.8 215 11 350.9 350.9 296.9 351.3 0.10 20 194 12687 -53.3 -58.2 55 4.9 -53.5 206 11 351.4 351.4 297.0 351.7 0.08 21 170 13522 -60.7 -65.1 56 4.4 -60.8 167 9 352.7 352.7 297.3 352.8 0.04 22 161 13858 -62.9 -68.9 44 6.0 -63.0 151 8 354.5 354.5 297.6 354.6 0.02 23 150 14290 -66.1 -70.9 51 4.8 -66.1 130 7 356.2 356.2 298.0 356.3 0.02 24 130 15142 -73.7 -78.5 48 4.8 -73.7 111 9 357.5 357.5 298.2 357.5 0.01 25 119 15660 -72.3 -77.0 49 4.7 -72.3 99 10 369.2 369.2 300.4 369.2 0.01 26 101 16613 -77.1 -85.1 27 8.0 -77.1 76 13 377.7 377.7 301.9 377.7 0.00 27 100 16670 -77.5 -85.5 26 8.0 -77.5 75 13 378.0 378.0 301.9 378.0 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5805.00 m Freezing level: 574.00 mb = 4795.37 m = 15732.64 ft Wetbulb zero: 579.17 mb = 4722.21 m = 15492.63 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 76.69 % Est. max temperature: 36.15 C = 97.06 F Sfc-Lift cond lev (LCL): 989.09 mb = 181.82 m = 596.51 ft T: 25.55 C 700-500 lapse rate: 6.36 C/km ThetaE index: 17.18 C Layer 871.0- 574.0 mb Conv cond level (CCL): 812.35 mb = 1904.20 m = 6247.29 ft Mean mixing ratio: 17.11 g/kg Conv temperature: 37.55 C = 99.60 F Cap Strength: 3.68 C Lifted Index: -3.69 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.27 C Lifted Index @700 mb: 0.25 C Showalter Index: -3.81 C Risk: Severe thunderstorms possible Total Totals Index: 50.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 22.70 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 244.60 Risk: None Energy Index: -2.15 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 860.37 J/kg Max Up Vert Vel: 41.48 m/s Conv Inhibition (B-): 170.59 J/kg Cap Strength: 3.63 C Lift Cond Lev (LCL): 913.73 mb = 880.45 m = 2888.57 ft Lev Free Conv (LFC): 678.73 mb = 3425.80 m = 11239.35 ft Equ Level (EL): 188.73 mb = 12860.87 m = 42193.96 ft B at Equ Level: 860.10 J/kg Wind level data Storm motion: 337 at 3 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 1009 7 0 0 -0.0 -0.0 | 157 3 -1.3 3.1 1 1000 85 270 3 3.0 -0.0 | 209 4 1.7 3.1 2 925 773 295 1 0.9 -0.4 | 172 3 -0.4 2.7 3 850 1513 35 7 -4.0 -5.7 | 64 6 -5.3 -2.6 4 700 3169 280 7 6.9 -1.2 | 251 6 5.6 1.9 5 500 5890 300 1 0.9 -0.5 | 171 3 -0.4 2.6 6 400 7610 275 1 1.0 -0.1 | 174 3 -0.3 3.0 7 300 9730 240 7 6.1 3.5 | 216 8 4.8 6.6 8 250 11000 225 9 6.4 6.4 | 208 11 5.1 9.5 9 200 12490 215 11 6.3 9.0 | 202 13 5.0 12.1 10 150 14290 130 7 -5.4 4.5 | 139 10 -6.7 7.6 11 100 16670 75 13 -12.6 -3.4 | 89 14 -13.9 -0.2 Wind Parameters Mean winds (0-6000m): 307.4 at 4.5 knts Storm direction: 337.4 at 3.4 knts Shear (0-3000m) pos: 1.3 neg: 2.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 106.2 deg Storm rel helicity (0-3000m) pos: 4.9 neg: -14.7 tot: -9.8 m^2/s^2 ave: -3.3 10^-3 m/s^2 rel: -0.20 Storm rel vorticity (0-3000m) horiz: 4.7 stream: -1.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 788.01 Bulk Shear: 1.09 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 ------------------------------------------------------------------------------- 500 275 2 198 3| 0.0 1.8 1.8| 2.4 -0.8 1.6 3.3 0.47| 4.5 2.1 1000 285 2 193 3| 1.0 0.9 1.9| 2.7 -1.2 1.5 1.5 0.31| 3.6 1.1 1500 352 3 103 1| 2.6 0.6 3.3| 4.9 -1.2 3.7 2.5 0.43| 5.0 2.2 2000 7 4 66 2| 2.0 1.5 3.5| 4.9 -6.0 -1.1 -0.6 0.14| 4.8 0.7 2500 358 5 39 2| 1.6 2.0 3.6| 4.9 -10.2 -5.3 -2.1 -0.07| 4.7 -0.3 3000 346 5 2 2| 1.3 2.1 3.5| 4.9 -14.7 -9.8 -3.3 -0.20| 4.7 -1.0 4000 321 5 297 2| 1.1 1.6 2.7| 4.9 -17.1 -12.2 -3.1 -0.24| 3.9 -0.9 5000 312 5 276 2| 1.1 1.3 2.3| 4.9 -18.3 -13.4 -2.7 -0.27| 3.4 -0.9 6000 307 5 260 2| 1.0 1.1 2.1| 4.9 -19.5 -14.6 -2.4 -0.31| 3.0 -0.9 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20250425.12.gif