UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121111.upa.cvt Date: 1100Z 11 DEC 25 Searching for VO311... Searching the city database file for: VO311 ... Date:1100Z 11 DEC 25 Station: VO311 WMO ident: 43311 Latitude: 11.12 Longitude: 72.73 ------------------------------------------------------------------------------- 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 -0 31.0 26.0 75 5.0 27.2 270 4 303.4 307.3 300.1 367.2 21.42 1 1000 79 27.8 22.8 74 5.0 24.2 50 5 301.0 304.2 297.3 353.1 17.74 2 925 765 22.2 18.2 78 4.0 19.4 50 7 302.0 304.7 295.4 344.4 14.36 3 850 1498 18.4 13.4 73 5.0 15.1 30 12 305.4 307.5 294.3 339.7 11.44 4 700 3142 10.4 -3.6 37 14.0 3.4 5 10 314.0 314.8 290.9 327.3 4.19 5 500 5860 -3.9 -20.9 25 17.0 -9.6 90 7 328.3 328.6 292.6 333.4 1.45 6 400 7590 -13.7 -30.7 22 17.0 -17.9 20 13 337.2 337.3 294.3 340.0 0.74 7 300 9700 -29.5 -47.5 16 18.0 -31.4 250 15 343.8 343.8 295.4 344.5 0.17 8 250 10970 -41.1 -53.1 26 12.0 -41.8 210 19 345.0 345.0 295.6 345.4 0.11 9 200 12450 -53.5 -69.5 13 16.0 -53.8 225 21 348.0 348.0 296.2 348.1 0.02 10 150 14320 -67.1 -89.1 3 22.0 -67.2 225 15 354.5 354.5 297.6 354.5 0.00 11 100 16650 -83.5 -106.5 1 23.0 -83.5 145 13 366.4 366.4 299.9 366.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5781.00 m Freezing level: 554.55 mb = 5118.73 m = 16793.52 ft Wetbulb zero: 648.34 mb = 3761.24 m = 12339.87 ft Precipitable water: 1.68 inches Sfc-500 mean rel hum: 48.64 % Est. max temperature: 32.63 C = 90.73 F Sfc-Lift cond lev (LCL): 939.21 mb = 630.85 m = 2069.69 ft T: 23.30 C 700-500 lapse rate: 5.26 C/km ThetaE index: 39.89 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 854.98 mb = 1447.36 m = 4748.49 ft Mean mixing ratio: 16.02 g/kg Conv temperature: 32.82 C = 91.08 F Cap Strength: 1.43 C Lifted Index: -0.58 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.57 C Lifted Index @700 mb: 0.10 C Showalter Index: 2.99 C Risk: Showers probable Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 17.30 C K Index: 21.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 191.80 Risk: None Energy Index: -1.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 218.71 J/kg Max Up Vert Vel: 20.91 m/s Conv Inhibition (B-): 53.79 J/kg Cap Strength: 1.69 C Lift Cond Lev (LCL): 899.13 mb = 1010.91 m = 3316.60 ft Lev Free Conv (LFC): 674.13 mb = 3446.21 m = 11306.33 ft Equ Level (EL): 194.13 mb = 12643.69 m = 41481.41 ft B at Equ Level: 216.26 J/kg Max Parcel Lev (MPL): 144.13 mb = 14549.46 m = 47733.86 ft Wind level data Storm motion: 63 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 1009 -0 270 4 4.0 -0.0 | 254 10 9.3 2.7 1 1000 79 50 5 -3.8 -3.2 | 289 2 1.4 -0.5 2 975 305 55 6 -4.9 -3.4 | 334 1 0.3 -0.7 3 941 610 55 6 -4.9 -3.4 | 334 1 0.3 -0.7 4 925 765 50 7 -5.4 -4.5 | 3 2 -0.1 -1.8 5 909 914 50 9 -6.9 -5.8 | 28 3 -1.6 -3.1 6 878 1219 30 12 -6.0 -10.4 | 6 8 -0.7 -7.7 7 850 1498 30 12 -6.0 -10.4 | 6 8 -0.7 -7.7 8 817 1829 35 10 -5.7 -8.2 | 5 5 -0.5 -5.5 9 789 2134 60 9 -7.8 -4.5 | 55 3 -2.5 -1.8 10 761 2438 80 9 -8.9 -1.6 | 108 4 -3.6 1.2 11 734 2743 70 10 -9.4 -3.4 | 81 4 -4.1 -0.7 12 708 3048 25 10 -4.2 -9.1 | 351 6 1.0 -6.3 13 700 3142 5 10 -0.9 -10.0 | 329 8 4.4 -7.2 14 657 3658 335 8 3.4 -7.3 | 298 10 8.6 -4.5 15 632 3962 295 5 4.5 -2.1 | 266 10 9.8 0.6 16 609 4267 250 7 6.6 2.4 | 247 13 11.8 5.1 17 586 4572 240 9 7.8 4.5 | 241 15 13.1 7.2 18 565 4877 230 8 6.1 5.1 | 235 14 11.4 7.9 19 524 5486 100 2 -2.0 0.3 | 227 5 3.3 3.1 20 500 5860 90 7 -7.0 0.0 | 148 3 -1.7 2.7 21 485 6096 80 8 -7.9 -1.4 | 117 3 -2.6 1.3 22 400 7590 20 13 -4.4 -12.2 | 355 10 0.8 -9.5 23 398 7620 30 12 -6.0 -10.4 | 6 8 -0.7 -7.7 24 324 9144 285 9 8.7 -2.3 | 268 14 14.0 0.4 25 300 9700 250 15 14.1 5.1 | 248 21 19.4 7.9 26 261 10668 215 16 9.2 13.1 | 222 21 14.4 15.8 27 250 10970 210 19 9.5 16.5 | 218 24 14.8 19.2 28 208 12192 215 20 11.5 16.4 | 221 25 16.7 19.1 29 200 12450 225 21 14.8 14.8 | 229 27 20.1 17.6 30 150 14320 225 15 10.6 10.6 | 230 21 15.9 13.3 31 100 16650 145 13 -7.5 10.6 | 171 14 -2.2 13.4 Wind Parameters Mean winds (0-6000m): 32.6 at 7.9 knts Storm direction: 62.6 at 5.9 knts Shear (0-3000m) pos: 2.2 neg: 2.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 107.0 deg Storm rel helicity (0-3000m) pos: 9.3 neg: -12.0 tot: -2.7 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: 0.06 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 0.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 160.96 Bulk Shear: 1.36 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 51 6 308 1| 9.8 0.0 9.8| 2.4 0.0 2.4 4.9 0.44| 10.3 4.5 1000 51 6 349 1| 4.9 2.1 7.0| 3.2 -0.4 2.8 2.8 0.39| 7.4 2.8 1500 42 8 3 3| 3.3 2.4 5.7| 3.2 -3.0 0.2 0.1 0.22| 6.1 1.3 2000 40 9 5 4| 2.6 1.8 4.4| 5.5 -3.1 2.4 1.2 0.26| 5.8 1.5 2500 45 9 16 4| 2.7 1.4 4.1| 9.3 -3.1 6.2 2.5 0.37| 5.6 2.1 3000 48 9 25 4| 2.2 2.4 4.6| 9.3 -12.0 -2.7 -0.9 0.06| 6.1 0.4 4000 35 9 358 4| 1.7 1.9 3.5| 9.3 -46.1 -36.8 -9.2 -0.24| 6.6 -1.6 5000 27 9 344 5| 1.3 1.1 2.4| 9.3 -78.3 -69.1 -13.8 -0.35| 6.5 -2.3 6000 33 8 346 4| 1.1 0.5 1.6| 11.5 -90.5 -79.0 -13.2 -0.36| 6.7 -2.4 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20251211.11.gif