UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120511.upa.cvt Date: 1100Z 5 DEC 25 Searching for VO311... Searching the city database file for: VO311 ... Date:1100Z 5 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 -2 29.8 27.0 85 2.8 27.7 270 2 302.2 306.4 300.5 369.9 22.77 1 1000 77 27.4 21.4 70 6.0 23.1 185 8 300.5 303.5 296.3 348.2 16.25 2 925 762 22.8 18.3 76 4.5 19.6 110 6 302.6 305.3 295.6 345.4 14.46 3 850 1495 18.6 14.8 79 3.8 16.0 65 9 305.6 308.0 295.1 343.2 12.55 4 700 3136 10.0 5.4 73 4.6 7.2 80 16 313.6 315.1 294.0 338.7 8.06 5 500 5850 -5.5 -15.5 45 10.0 -9.3 85 8 326.3 326.8 292.9 334.2 2.29 6 400 7570 -17.3 -25.3 50 8.0 -19.4 340 4 332.5 332.8 293.6 336.9 1.22 7 300 9670 -31.1 -43.1 30 12.0 -32.5 205 39 341.5 341.6 295.0 342.7 0.28 8 250 10930 -41.3 -62.3 9 21.0 -42.2 215 38 344.7 344.7 295.5 344.8 0.04 9 200 12400 -54.1 -67.1 19 13.0 -54.4 240 35 347.1 347.1 296.0 347.2 0.02 10 150 14190 -65.9 -93.9 1 28.0 -66.0 250 34 356.6 356.6 298.0 356.6 0.00 11 100 16570 -80.5 -104.5 1 24.0 -80.5 180 14 372.2 372.2 300.9 372.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 570.97 mb = 4886.97 m = 16033.16 ft Wetbulb zero: 612.53 mb = 4212.72 m = 13821.09 ft Precipitable water: 2.04 inches Sfc-500 mean rel hum: 67.66 % Est. max temperature: 32.89 C = 91.20 F Sfc-Lift cond lev (LCL): 969.57 mb = 348.55 m = 1143.51 ft T: 25.58 C 700-500 lapse rate: 5.71 C/km ThetaE index: 35.69 C Layer 1000.0- 400.0 mb Conv cond level (CCL): 834.77 mb = 1647.86 m = 5406.29 ft Mean mixing ratio: 15.53 g/kg Conv temperature: 34.00 C = 93.21 F Cap Strength: 2.09 C Lifted Index: -1.71 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.41 C Lifted Index @700 mb: 0.08 C Showalter Index: -0.01 C Risk: Thunderstorms probable Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.10 C Cross Totals Index: 20.30 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 203.60 Risk: None Energy Index: -1.78 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 548.53 J/kg Max Up Vert Vel: 33.12 m/s Conv Inhibition (B-): 79.72 J/kg Cap Strength: 2.09 C Lift Cond Lev (LCL): 891.26 mb = 1084.13 m = 3556.82 ft Lev Free Conv (LFC): 686.26 mb = 3295.93 m = 10813.28 ft Equ Level (EL): 196.26 mb = 12517.53 m = 41067.52 ft B at Equ Level: 542.41 J/kg Max Parcel Lev (MPL): 126.26 mb = 15201.43 m = 49872.86 ft Wind level data Storm motion: 112 at 8 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 -2 270 2 2.0 -0.0 | 287 10 9.2 -2.9 1 1000 77 185 8 0.7 8.0 | 237 9 7.9 5.1 2 974 305 165 6 -1.6 5.8 | 243 6 5.6 2.9 3 941 610 130 5 -3.8 3.2 | 264 3 3.3 0.3 4 925 762 110 6 -5.6 2.1 | 298 2 1.5 -0.8 5 909 914 90 6 -6.0 0.0 | 338 3 1.2 -2.9 6 877 1219 65 8 -7.3 -3.4 | 1 6 -0.1 -6.3 7 850 1495 65 9 -8.2 -3.8 | 8 7 -1.0 -6.7 8 817 1829 75 10 -9.7 -2.6 | 24 6 -2.5 -5.5 9 788 2134 85 11 -11.0 -1.0 | 45 5 -3.8 -3.8 10 760 2438 85 11 -11.0 -1.0 | 45 5 -3.8 -3.8 11 733 2743 75 13 -12.6 -3.4 | 41 8 -5.4 -6.2 12 707 3048 75 15 -14.5 -3.9 | 47 10 -7.3 -6.8 13 700 3136 80 16 -15.8 -2.8 | 57 10 -8.6 -5.7 14 656 3658 90 16 -16.0 0.0 | 72 9 -8.8 -2.9 15 632 3962 85 15 -14.9 -1.3 | 62 9 -7.8 -4.2 16 608 4267 80 12 -11.8 -2.1 | 43 7 -4.6 -5.0 17 586 4572 75 8 -7.7 -2.1 | 6 5 -0.6 -5.0 18 564 4877 60 9 -7.8 -4.5 | 5 7 -0.6 -7.4 19 523 5486 70 9 -8.5 -3.1 | 12 6 -1.3 -6.0 20 500 5850 85 8 -8.0 -0.7 | 13 4 -0.8 -3.6 21 484 6096 80 8 -7.9 -1.4 | 9 4 -0.7 -4.3 22 400 7570 340 4 1.4 -3.8 | 308 11 8.5 -6.6 23 397 7620 345 4 1.0 -3.9 | 309 11 8.2 -6.7 24 322 9144 220 25 16.1 19.2 | 235 28 23.2 16.3 25 300 9670 205 39 16.5 35.3 | 216 40 23.7 32.5 26 260 10668 220 40 25.7 30.6 | 230 43 32.9 27.8 27 250 10930 215 38 21.8 31.1 | 226 40 29.0 28.2 28 206 12192 230 37 28.3 23.8 | 240 41 35.5 20.9 29 200 12400 240 35 30.3 17.5 | 249 40 37.5 14.6 30 162 13716 270 29 29.0 -0.0 | 275 36 36.2 -2.9 31 150 14190 250 34 31.9 11.6 | 257 40 39.1 8.7 32 125 15240 260 40 39.4 6.9 | 265 47 46.6 4.1 33 100 16570 180 14 0.0 14.0 | 213 13 7.2 11.1 Wind Parameters Mean winds (0-6000m): 81.9 at 10.3 knts Storm direction: 111.9 at 7.7 knts Shear (0-3000m) pos: 0.7 neg: 2.5 tot: 3.2 10-3/s Storm rel Dir Shear (0-3000m): 118.9 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -18.4 tot: -2.7 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 0.6 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 29.13 Bulk Shear: 18.83 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 ------------------------------------------------------------------------------- 500 171 6 243 7| 0.0 7.0 7.0| 2.2 -17.7 -15.5 -31.1 -0.51| 13.7 -7.0 1000 142 6 243 4| 0.0 4.4 4.4| 5.4 -17.7 -12.4 -12.4 -0.12| 10.1 -1.2 1500 109 7 309 1| 0.0 3.7 3.7| 8.0 -17.7 -9.8 -6.5 -0.02| 8.0 -0.2 2000 94 7 6 2| 0.8 2.8 3.6| 12.6 -17.7 -5.1 -2.6 0.09| 6.8 0.6 2500 91 8 19 3| 0.8 2.2 3.0| 13.9 -17.8 -3.9 -1.5 0.12| 5.7 0.7 3000 87 9 28 4| 0.7 2.5 3.2| 15.7 -18.4 -2.7 -0.9 0.11| 5.5 0.6 4000 86 11 44 5| 0.9 1.7 2.7| 26.6 -22.4 4.3 1.1 0.16| 4.9 0.8 5000 84 11 40 5| 0.8 1.1 1.9| 26.9 -32.7 -5.7 -1.1 0.01| 4.9 0.0 6000 82 10 35 5| 0.8 0.9 1.8| 28.3 -32.9 -4.5 -0.8 0.02| 4.4 0.1 Wrote GIF file: /home/apache/climate/data/raob//VO311/skewt/VO311.skewt.20251205.11.gif