UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120411.upa.cvt Date: 1100Z 4 DEC 25 Searching for VO311... Searching the city database file for: VO311 ... Date:1100Z 4 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 1008 -0 28.0 24.2 80 3.8 25.2 0 0 300.5 304.0 298.1 356.9 19.19 1 1000 70 26.4 21.7 75 4.7 23.0 35 3 299.5 302.6 296.2 347.9 16.56 2 925 755 22.0 17.9 78 4.1 19.2 70 9 301.8 304.4 295.1 343.3 14.09 3 850 1486 18.4 14.3 77 4.1 15.7 60 8 305.4 307.7 294.7 341.8 12.15 4 700 3131 10.6 5.8 72 4.8 7.7 100 8 314.2 315.8 294.3 340.1 8.29 5 500 5860 -6.5 -13.5 58 7.0 -9.3 15 13 325.1 325.6 292.9 334.2 2.70 6 400 7570 -17.5 -21.3 72 3.8 -18.6 175 22 332.2 332.6 293.9 338.4 1.75 7 300 9670 -31.7 -36.2 64 4.5 -32.4 210 27 340.7 340.8 295.0 342.9 0.58 8 250 10930 -42.3 -48.3 52 6.0 -42.7 225 18 343.2 343.2 295.3 344.0 0.19 9 200 12400 -53.7 -63.7 28 10.0 -53.9 200 18 347.7 347.7 296.1 347.9 0.04 10 150 14190 -65.5 -90.5 2 25.0 -65.6 230 40 357.2 357.2 298.1 357.3 0.00 11 100 16580 -81.7 -105.7 1 24.0 -81.7 250 7 369.9 369.9 300.5 369.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 576.02 mb = 4822.66 m = 15822.19 ft Wetbulb zero: 609.27 mb = 4256.96 m = 13966.24 ft Precipitable water: 2.08 inches Sfc-500 mean rel hum: 70.47 % Est. max temperature: 32.57 C = 90.62 F Sfc-Lift cond lev (LCL): 954.43 mb = 479.84 m = 1574.25 ft T: 23.77 C 700-500 lapse rate: 6.27 C/km ThetaE index: 22.65 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 829.79 mb = 1689.93 m = 5544.33 ft Mean mixing ratio: 15.26 g/kg Conv temperature: 34.06 C = 93.31 F Cap Strength: 2.06 C Lifted Index: -2.01 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -0.96 C Lifted Index @700 mb: 1.21 C Showalter Index: -0.43 C Risk: Thunderstorms probable Total Totals Index: 45.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 20.80 C K Index: 34.40 Risk: 60-80 % chance of thunderstorms Sweat Index: 200.60 Risk: None Energy Index: -1.44 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 439.79 J/kg Max Up Vert Vel: 29.66 m/s Conv Inhibition (B-): 139.21 J/kg Cap Strength: 2.06 C Lift Cond Lev (LCL): 899.18 mb = 999.73 m = 3279.91 ft Lev Free Conv (LFC): 624.18 mb = 4060.80 m = 13322.66 ft Equ Level (EL): 224.18 mb = 11648.09 m = 38215.06 ft B at Equ Level: 434.93 J/kg Max Parcel Lev (MPL): 144.18 mb = 14423.20 m = 47319.64 ft Wind level data Storm motion: 70 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 1008 -0 0 0 -0.0 -0.0 | 250 6 6.0 2.2 1 1000 70 35 3 -1.7 -2.5 | 273 4 4.3 -0.2 2 974 305 70 9 -8.5 -3.1 | 71 3 -2.5 -0.8 3 940 610 75 10 -9.7 -2.6 | 85 4 -3.7 -0.4 4 925 755 70 9 -8.5 -3.1 | 71 3 -2.5 -0.8 5 908 914 70 8 -7.5 -2.7 | 72 2 -1.5 -0.5 6 877 1219 60 8 -6.9 -4.0 | 28 2 -0.9 -1.8 7 850 1486 60 8 -6.9 -4.0 | 28 2 -0.9 -1.8 8 816 1829 65 9 -8.2 -3.8 | 54 3 -2.2 -1.6 9 787 2134 75 10 -9.7 -2.6 | 85 4 -3.7 -0.4 10 760 2438 90 10 -10.0 0.0 | 119 5 -4.0 2.2 11 733 2743 105 10 -9.7 2.6 | 143 6 -3.7 4.8 12 707 3048 110 9 -8.5 3.1 | 155 6 -2.5 5.3 13 700 3131 100 8 -7.9 1.4 | 152 4 -1.9 3.6 14 656 3658 10 3 -0.5 -3.0 | 278 6 5.5 -0.7 15 632 3962 315 8 5.7 -5.7 | 286 12 11.6 -3.4 16 608 4267 310 12 9.2 -7.7 | 290 16 15.2 -5.5 17 586 4572 320 10 6.4 -7.7 | 294 14 12.4 -5.4 18 564 4877 340 8 2.7 -7.5 | 301 10 8.7 -5.3 19 524 5486 360 7 -0.0 -7.0 | 309 8 6.0 -4.8 20 500 5860 15 13 -3.4 -12.6 | 346 11 2.6 -10.3 21 485 6096 10 13 -2.3 -12.8 | 341 11 3.7 -10.6 22 400 7570 175 22 -1.9 21.9 | 190 24 4.1 24.2 23 397 7620 170 21 -3.6 20.7 | 186 23 2.3 22.9 24 322 9144 230 24 18.4 15.4 | 234 30 24.4 17.7 25 300 9670 210 27 13.5 23.4 | 217 32 19.5 25.6 26 260 10668 215 21 12.0 17.2 | 223 27 18.0 19.4 27 250 10930 225 18 12.7 12.7 | 231 24 18.7 15.0 28 206 12192 200 16 5.5 15.0 | 214 21 11.5 17.3 29 200 12400 200 18 6.2 16.9 | 212 23 12.1 19.1 30 162 13716 215 36 20.6 29.5 | 220 41 26.6 31.7 31 150 14190 230 40 30.6 25.7 | 233 46 36.6 27.9 32 126 15240 240 38 32.9 19.0 | 241 44 38.9 21.2 33 100 16580 250 7 6.6 2.4 | 250 13 12.6 4.6 Wind Parameters Mean winds (0-6000m): 39.5 at 8.5 knts Storm direction: 69.5 at 6.4 knts Shear (0-3000m) pos: 2.0 neg: 0.4 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): -96.4 deg Storm rel helicity (0-3000m) pos: 15.5 neg: -1.2 tot: 14.3 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 212.96 Bulk Shear: 2.07 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 66 7 14 0| 9.9 0.0 9.9| 5.9 0.0 5.9 11.9 0.79| 11.9 9.5 1000 69 8 69 1| 5.0 1.0 5.9| 6.2 -0.7 5.4 5.4 0.58| 7.5 4.3 1500 67 8 55 2| 3.3 0.9 4.2| 6.2 -1.2 5.0 3.4 0.48| 5.3 2.6 2000 66 8 54 2| 2.9 0.7 3.6| 7.5 -1.2 6.4 3.2 0.53| 4.6 2.4 2500 70 8 70 2| 2.5 0.5 3.1| 11.3 -1.2 10.2 4.1 0.60| 4.5 2.7 3000 76 9 93 2| 2.0 0.4 2.4| 15.5 -1.2 14.3 4.8 0.63| 4.3 2.7 4000 74 8 89 2| 1.5 2.5 4.0| 17.3 -4.8 12.5 3.1 0.38| 5.8 2.2 5000 52 8 13 3| 1.5 2.0 3.6| 29.5 -4.8 24.7 4.9 0.38| 5.7 2.1 6000 40 9 353 4| 1.7 1.7 3.4| 45.0 -6.0 39.0 6.5 0.42| 5.5 2.3 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20251204.11.gif