UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110100.upa.cvt Date: 0000Z 1 NOV 25 Searching for VV839... Searching the city database file for: VV839 ... Date:0000Z 1 NOV 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 1016 12 23.0 20.5 86 2.5 21.3 45 17 294.8 297.5 293.9 338.1 15.11 1 1000 149 21.8 19.9 89 1.9 20.5 40 27 295.0 297.6 293.6 337.3 14.78 2 976 360 20.0 19.4 96 0.6 19.6 56 25 295.2 297.8 293.6 337.3 14.68 3 927 804 18.6 18.6 100 0.0 18.6 89 19 298.1 300.8 294.5 340.8 14.70 4 925 823 18.6 18.6 100 0.0 18.6 90 19 298.3 301.0 294.6 341.1 14.74 5 863 1420 16.4 16.4 100 0.0 16.4 111 14 302.0 304.5 294.9 342.5 13.72 6 850 1550 17.4 14.7 84 2.7 15.6 115 13 304.4 306.7 294.7 341.5 12.47 7 846 1590 17.2 14.6 85 2.6 15.5 116 13 304.6 306.9 294.7 341.7 12.45 8 772 2368 12.4 11.9 97 0.5 12.1 130 10 307.5 309.6 294.8 342.0 11.42 9 700 3188 9.6 6.0 78 3.6 7.4 145 7 313.1 314.7 294.1 339.2 8.41 10 595 4523 3.2 0.3 81 2.9 1.6 174 8 320.6 321.9 294.7 341.8 6.59 11 500 5910 -6.7 -6.7 100 0.0 -6.7 205 9 324.9 325.8 294.4 340.2 4.64 12 498 5941 -6.9 -6.9 100 0.0 -6.9 205 9 325.0 325.9 294.4 340.2 4.58 13 488 6100 -6.3 -8.6 84 2.3 -7.4 208 9 327.6 328.4 294.7 341.4 4.10 14 446 6803 -8.7 -15.7 57 7.0 -11.4 218 10 333.1 333.7 294.8 342.0 2.52 15 400 7640 -14.3 -18.7 69 4.4 -15.8 230 11 336.4 336.9 295.3 344.2 2.19 16 388 7870 -16.1 -19.7 74 3.6 -17.3 337.0 337.4 295.4 344.4 2.07 17 318 9343 -24.7 -43.7 15 19.0 -27.3 344.8 344.8 295.7 345.8 0.25 TRP WND Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 564.29 mb = 4971.43 m = 16310.27 ft Wetbulb zero: 576.71 mb = 4772.06 m = 15656.18 ft Precipitable water: 2.28 inches Sfc-500 mean rel hum: 89.19 % Est. max temperature: 30.05 C = 86.09 F Sfc-Lift cond lev (LCL): 979.83 mb = 325.85 m = 1069.06 ft T: 20.29 C 700-500 lapse rate: 5.99 C/km ThetaE index: 2.75 C Layer 700.0- 595.0 mb Conv cond level (CCL): 931.59 mb = 761.74 m = 2499.13 ft Mean mixing ratio: 14.74 g/kg Conv temperature: 26.07 C = 78.92 F Cap Strength: 2.71 C Lifted Index: 0.60 C Risk: Showers probable Lifted Index @700 mb: 2.31 C Showalter Index: -0.57 C Risk: Thunderstorms probable Total Totals Index: 45.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 21.40 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 211.40 Risk: None Energy Index: -0.31 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.90 J/kg Max Up Vert Vel: 5.81 m/s Conv Inhibition (B-): 845.96 J/kg Cap Strength: 2.64 C Lift Cond Lev (LCL): 954.28 mb = 554.07 m = 1817.78 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 151 at 9 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 1016 12 45 17 -12.0 -12.0 | 22 21 -7.9 -19.5 1 1000 149 40 27 -17.4 -20.7 | 25 31 -13.2 -28.2 2 925 823 90 19 -19.0 0.0 | 63 17 -14.8 -7.5 3 850 1550 115 13 -11.8 5.5 | 75 8 -7.6 -2.0 4 700 3188 145 7 -4.0 5.7 | 356 2 0.1 -1.8 5 500 5910 205 9 3.8 8.2 | 265 8 8.0 0.7 6 400 7640 230 11 8.4 7.1 | 272 13 12.6 -0.4 Wind Parameters Mean winds (0-6000m): 121.0 at 11.4 knts Storm direction: 151.0 at 8.6 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): -0.7 deg Storm rel helicity (0-3000m) pos: 121.0 neg: -1.4 tot: 119.5 m^2/s^2 ave: 39.8 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.24 Bulk Shear: 70.67 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 50 24 32 27| 9.7 0.0 9.7| 78.3 0.0 78.3 156.7 0.55| 20.6 11.4 1000 63 22 41 23| 7.7 0.0 7.7|115.6 0.0 115.6 115.6 0.58| 16.3 9.4 1500 74 20 49 20| 6.0 0.0 6.0|120.6 0.0 120.6 80.4 0.52| 13.0 6.8 2000 81 18 53 17| 4.7 0.0 4.7|121.0 -0.0 120.9 60.5 0.49| 10.5 5.2 2500 87 16 56 15| 3.9 0.0 3.9|121.0 -0.5 120.4 48.2 0.45| 8.9 4.0 3000 92 15 57 13| 3.3 0.0 3.3|121.0 -1.4 119.5 39.8 0.39| 7.8 3.1 4000 100 13 59 10| 2.8 0.0 2.8|121.0 -2.5 118.4 29.6 0.31| 6.3 1.9 5000 110 12 65 8| 2.5 0.0 2.5|121.0 -3.1 117.9 23.6 0.28| 5.3 1.5 6000 121 11 74 6| 2.2 0.0 2.2|122.0 -3.1 118.9 19.8 0.27| 4.7 1.3 Wrote GIF file: /home/apache/climate/data/raob//VV839/skewt/VV839.skewt.20251101.00.gif