UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010400.upa.cvt Date: 0000Z 4 JAN 26 Searching for VI726... Searching the city database file for: VI726 ... Date:0000Z 4 JAN 26 Station: VI726 WMO ident: 42726 ------------------------------------------------------------------------------- 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 912 1039 9.6 9.6 100 0.0 9.6 0 0 290.3 291.8 286.6 313.7 8.25 1 316 9230 -34.2 -46.5 28 12.4 -35.3 275 96 332.2 332.3 292.5 333.0 0.18 2 107 16133 -78.9 -103.9 1 25.0 -78.9 285 68 368.1 368.1 300.2 368.1 0.00 3 100 16520 -77.7 -102.7 1 25.0 -77.7 295 69 377.6 377.6 301.9 377.6 0.00 TRP 107 16133 -78.9 -103.9 1 25.0 -78.9 285 68 368.1 368.1 300.2 368.1 0.00 WND 316 9230 -34.2 -46.5 28 12.4 -35.3 275 96 332.2 332.3 292.5 333.0 0.18 Sounding variables and indices Freezing level: 781.29 mb = 2835.35 m = 9302.21 ft Wetbulb zero: 784.44 mb = 2203.45 m = 7229.07 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 80.96 % Est. max temperature: 16.70 C = 62.06 F Sfc-Lift cond lev (LCL): 912.00 mb = 1039.12 m = 3409.14 ft T: 9.60 C 700-500 lapse rate: 5.34 C/km ThetaE index: 0.00 C Layer 912.0- -0.0 mb Conv cond level (CCL): 316.00 mb = 9229.68 m = 30280.73 ft Mean mixing ratio: 13.18 g/kg Conv temperature: 98.05 C = 208.49 F Cap Strength: -5.30 C Lifted Index: -3.76 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 4.32 C Lifted Index @700 mb: -5.45 C Showalter Index: 5.32 C Risk: None Total Totals Index: 43.01 C Risk: None Vertical Totals Index: 21.92 C Cross Totals Index: 21.09 C K Index: 24.70 Risk: 20-40 % chance of thunderstorms Sweat Index: 137.64 Risk: None Energy Index: 0.97 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 198396.88 J/kg Max Up Vert Vel: 629.92 m/s Conv Inhibition (B-): 4167.46 J/kg Cap Strength: 0.00 C Lift Cond Lev (LCL): 987.87 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: 304 at 24 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 ---------------------------------------------------------- 0 912 1039 0 0 -0.0 -0.0 | 124 24 -19.7 13.4 1 886 1219 160 4 -1.4 3.8 | 129 27 -21.0 17.1 2 850 1475 155 8 -3.4 7.3 | 132 31 -23.0 20.6 3 814 1829 160 9 -3.1 8.5 | 134 32 -22.7 21.8 4 785 2134 175 9 -0.8 9.0 | 138 30 -20.4 22.3 5 756 2438 280 9 8.9 -1.6 | 138 16 -10.8 11.8 6 729 2743 290 17 16.0 -5.8 | 154 8 -3.7 7.5 7 702 3048 275 18 17.9 -1.6 | 172 12 -1.7 11.8 8 700 3072 275 19 18.9 -1.7 | 176 12 -0.7 11.7 9 650 3658 270 26 26.0 -0.0 | 205 15 6.3 13.4 10 625 3962 275 28 27.9 -2.4 | 217 14 8.2 10.9 11 601 4267 270 28 28.0 -0.0 | 212 16 8.3 13.4 12 579 4572 265 33 32.9 2.9 | 219 21 13.2 16.2 13 557 4877 270 41 41.0 -0.0 | 238 25 21.3 13.4 14 515 5486 280 52 51.2 -9.0 | 262 32 31.6 4.3 15 500 5720 280 54 53.2 -9.4 | 263 34 33.5 4.0 16 476 6096 280 56 55.1 -9.7 | 264 36 35.5 3.6 17 400 7400 280 74 72.9 -12.8 | 269 53 53.2 0.5 18 389 7620 280 76 74.8 -13.2 | 270 55 55.2 0.2 19 320 9144 275 95 94.6 -8.3 | 266 75 75.0 5.1 20 316 9230 275 96 95.6 -8.4 | 266 76 76.0 5.0 21 300 9520 270 94 94.0 -0.0 | 260 76 74.3 13.4 22 255 10668 275 86 85.7 -7.5 | 265 66 66.0 5.9 23 250 10800 275 81 80.7 -7.1 | 264 61 61.0 6.3 24 203 12192 265 76 75.7 6.6 | 250 60 56.1 20.0 25 200 12300 265 76 75.7 6.6 | 250 60 56.1 20.0 26 160 13716 275 79 78.7 -6.9 | 264 59 59.0 6.5 27 150 14130 285 79 76.3 -20.4 | 277 57 56.7 -7.1 28 124 15240 280 68 67.0 -11.8 | 268 47 47.3 1.6 29 107 16133 285 68 65.7 -17.6 | 275 46 46.0 -4.2 30 100 16520 295 69 62.5 -29.2 | 290 46 42.9 -15.8 Wind Parameters Mean winds (0-6000m): 274.2 at 31.7 knts Storm direction: 304.2 at 23.8 knts Shear (0-3000m) pos: 2.6 neg: 2.3 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 91.5 deg Storm rel helicity (0-3000m) pos: 143.7 neg: -21.3 tot: 122.4 m^2/s^2 ave: 40.8 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 4.2 10^-3/s Energy-Hel index: 134.74 Bulk Rich Number: 1289.25 Bulk Shear: 153.89 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 ------------------------------------------------------------------------------- 500 157 5 129 28| 8.4 0.0 8.4| 36.9 -8.1 28.9 57.7 0.38| 10.6 4.0 1000 159 6 132 29| 4.6 0.0 4.6| 56.0 -8.1 47.9 47.9 0.48| 6.6 3.2 1500 177 7 136 29| 4.0 0.0 4.0| 94.6 -21.0 73.6 49.0 0.29| 11.2 3.2 2000 228 9 147 23| 3.0 1.7 4.7|108.7 -21.0 87.7 43.8 0.34| 11.0 3.7 2500 252 12 154 19| 2.4 2.8 5.2|129.5 -21.0 108.5 43.4 0.42| 10.2 4.3 3000 260 14 160 17| 2.6 2.3 4.9|143.7 -21.3 122.4 40.8 0.45| 9.3 4.2 4000 265 19 177 15| 3.5 2.4 6.0|220.7 -24.7 196.1 49.0 0.50| 9.5 4.7 5000 271 26 205 14| 3.9 2.2 6.1|298.0 -24.7 273.3 54.7 0.53| 9.0 4.8 6000 274 32 227 16| 3.2 2.9 6.1|332.3 -24.7 307.7 51.3 0.49| 8.6 4.2 Wrote GIF file: /home/apache/climate/data/raob//VI726/skewt/VI726.skewt.20260104.00.gif