UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025123100.upa.cvt Date: 0000Z 31 DEC 25 Searching for VI516... Searching the city database file for: VI516 ... Date:0000Z 31 DEC 25 Station: VI516 WMO ident: 42516 ------------------------------------------------------------------------------- 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 838 1599 5.0 4.6 97 0.4 4.8 0 0 292.6 293.7 285.7 310.9 6.35 1 210 11889 -50.0 -68.2 10 18.2 -50.4 295 129 348.7 348.7 296.4 348.8 0.02 2 114 15684 -74.3 -100.3 1 26.0 -74.3 280 98 370.0 370.0 300.6 370.0 0.00 3 100 16450 -74.3 -100.3 1 26.0 -74.3 290 75 384.2 384.2 302.9 384.2 0.00 TRP 114 15684 -74.3 -100.3 1 26.0 -74.3 280 98 370.0 370.0 300.6 370.0 0.00 WND 210 11889 -50.0 -68.2 10 18.2 -50.4 295 129 348.7 348.7 296.4 348.8 0.02 Sounding variables and indices Freezing level: 780.92 mb = 2534.29 m = 8314.49 ft Wetbulb zero: 783.78 mb = 2096.50 m = 6878.21 ft Precipitable water: 0.80 inches Sfc-500 mean rel hum: 89.26 % Est. max temperature: 12.85 C = 55.12 F Sfc-Lift cond lev (LCL): 832.82 mb = 1645.20 m = 5397.58 ft T: 4.75 C 700-500 lapse rate: 5.35 C/km ThetaE index: 0.00 C Layer 838.0- -0.0 mb Conv cond level (CCL): 210.00 mb = 11888.64 m = 39004.25 ft Mean mixing ratio: 12.61 g/kg Conv temperature: 125.00 C = 257.00 F Cap Strength: -6.86 C Lifted Index: -4.47 C Risk: Severe thunderstorms probable Lifted Index @300 mb: 4.22 C Lifted Index @700 mb: -6.63 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 225290.14 J/kg Max Up Vert Vel: 671.25 m/s Conv Inhibition (B-): 6662.43 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 946.44 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 329 at 17 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 ---------------------------------------------------------- 0 838 1599 0 0 -0.0 -0.0 | 149 17 -8.8 14.4 1 815 1829 70 13 -12.2 -4.4 | 115 23 -21.0 10.0 2 785 2134 55 9 -7.4 -5.2 | 120 19 -16.2 9.2 3 756 2438 55 9 -7.4 -5.2 | 120 19 -16.2 9.2 4 728 2743 50 7 -5.4 -4.5 | 125 17 -14.2 9.9 5 701 3048 340 5 1.7 -4.7 | 144 12 -7.1 9.7 6 700 3060 330 5 2.5 -4.3 | 148 12 -6.3 10.1 7 649 3658 360 8 -0.0 -8.0 | 126 11 -8.8 6.4 8 624 3962 350 10 1.7 -9.8 | 123 8 -7.1 4.6 9 601 4267 315 11 7.8 -7.8 | 171 7 -1.0 6.6 10 578 4572 300 12 10.4 -6.0 | 191 9 1.6 8.4 11 556 4877 300 15 13.0 -7.5 | 211 8 4.2 6.9 12 514 5486 295 25 22.7 -10.6 | 254 14 13.8 3.8 13 500 5710 290 33 31.0 -11.3 | 262 22 22.2 3.1 14 475 6096 285 38 36.7 -9.8 | 261 28 27.9 4.6 15 400 7360 290 52 48.9 -17.8 | 275 40 40.0 -3.4 16 386 7620 290 57 53.6 -19.5 | 276 45 44.7 -5.1 17 311 9144 290 89 83.6 -30.4 | 282 77 74.8 -16.0 18 300 9410 295 102 92.4 -43.1 | 289 88 83.6 -28.7 19 251 10668 295 125 113.3 -52.8 | 290 111 104.5 -38.4 20 250 10690 295 127 115.1 -53.7 | 290 113 106.3 -39.3 21 210 11889 295 129 116.9 -54.5 | 290 115 108.1 -40.1 22 200 12190 300 125 108.3 -62.5 | 296 110 99.4 -48.1 23 200 12192 295 128 116.0 -54.1 | 290 114 107.2 -39.7 24 158 13716 290 103 96.8 -35.2 | 283 90 88.0 -20.8 25 150 14040 295 102 92.4 -43.1 | 289 88 83.6 -28.7 26 123 15240 285 92 88.9 -23.8 | 277 81 80.0 -9.4 27 114 15684 280 98 96.5 -17.0 | 272 88 87.7 -2.6 28 100 16450 290 75 70.5 -25.7 | 280 63 61.7 -11.2 Wind Parameters Mean winds (0-6000m): 298.5 at 22.5 knts Storm direction: 328.5 at 16.9 knts Shear (0-3000m) pos: 2.2 neg: 3.5 tot: 5.8 10-3/s Storm rel Dir Shear (0-3000m): 43.7 deg Storm rel helicity (0-3000m) pos: 48.2 neg: -54.8 tot: -6.6 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 0.4 10^-3/s Energy-Hel index: 46.00 Bulk Rich Number: 2028.58 Bulk Shear: 111.06 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 9 122 20| 9.7 0.0 9.7| 6.6 -42.0 -35.4 -70.8 -0.49| 17.9 -8.7 1000 61 9 121 19| 4.9 0.8 5.7| 12.0 -42.0 -30.0 -30.0 -0.39| 9.8 -3.8 1500 54 8 122 18| 3.2 3.6 6.8| 32.7 -42.0 -9.3 -6.2 -0.06| 9.7 -0.5 2000 40 8 122 16| 3.3 2.7 6.0| 32.7 -52.2 -19.5 -9.8 -0.16| 8.2 -1.3 2500 28 8 120 15| 2.7 3.0 5.7| 36.7 -54.8 -18.1 -7.2 -0.11| 7.7 -0.8 3000 11 9 120 12| 2.2 3.5 5.8| 48.2 -54.8 -6.6 -2.2 0.05| 7.6 0.4 4000 333 11 141 6| 1.7 4.7 6.4| 80.5 -54.8 25.7 6.4 0.23| 7.9 1.8 5000 307 17 225 6| 1.3 4.8 6.1|112.0 -58.3 53.7 10.7 0.23| 8.0 1.8 6000 299 23 252 12| 1.6 4.0 5.6|172.3 -58.3 114.0 19.0 0.26| 7.8 2.0 Wrote GIF file: /home/apache/climate/data/raob//VI516/skewt/VI516.skewt.20251231.00.gif