UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101800.upa.cvt Date: 0000Z 18 OCT 25 Searching for VI726... Searching the city database file for: VI726 ... Date:0000Z 18 OCT 25 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 911 767 21.0 20.7 98 0.3 20.8 0 0 302.1 305.2 297.2 352.6 17.11 1 113 15888 -76.7 -101.7 1 25.0 -76.7 260 14 366.5 366.5 299.9 366.5 0.00 2 100 16590 -78.3 -103.3 1 25.0 -78.3 315 12 376.4 376.4 301.6 376.4 0.00 TRP 113 15888 -76.7 -101.7 1 25.0 -76.7 260 14 366.5 366.5 299.9 366.5 0.00 WND Sounding variables and indices Freezing level: 739.47 mb = 4017.35 m = 13180.11 ft Wetbulb zero: 740.69 mb = 2266.62 m = 7436.31 ft Precipitable water: 2.67 inches Sfc-500 mean rel hum: 102.43 % Est. max temperature: 27.67 C = 81.80 F Sfc-Lift cond lev (LCL): 907.33 mb = 796.62 m = 2613.54 ft T: 20.81 C 700-500 lapse rate: 6.46 C/km ThetaE index: 0.00 C Layer 911.0- 0.0 mb Conv cond level (CCL): 113.00 mb = 15887.58 m = 52123.98 ft Mean mixing ratio: 48.54 g/kg Conv temperature: 230.46 C = 446.83 F Cap Strength: -13.65 C Lifted Index: -24.27 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -32.60 C Lifted Index @700 mb: -18.31 C Showalter Index: -3.03 C Risk: Severe thunderstorms possible Total Totals Index: 48.56 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.84 C Cross Totals Index: 23.72 C K Index: 38.06 Risk: > 80 % chance of thunderstorms Sweat Index: 204.58 Risk: None Energy Index: -3.99 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 266372.03 J/kg Max Up Vert Vel: 729.89 m/s Conv Inhibition (B-): 12886.96 J/kg Cap Strength: 5.25 C Lift Cond Lev (LCL): 1265.92 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: 279 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 ---------------------------------------------------------- 0 911 767 0 0 -0.0 -0.0 | 99 6 -6.0 0.9 1 898 914 30 7 -3.5 -6.1 | 61 11 -9.5 -5.2 2 872 1219 25 12 -5.1 -10.9 | 48 15 -11.0 -10.0 3 850 1485 35 9 -5.2 -7.4 | 60 13 -11.1 -6.5 4 816 1829 40 7 -4.5 -5.4 | 67 11 -10.5 -4.5 5 787 2134 45 5 -3.5 -3.5 | 75 10 -9.5 -2.6 6 759 2438 60 4 -3.5 -2.0 | 83 10 -9.4 -1.1 7 732 2743 110 3 -2.8 1.0 | 102 9 -8.8 1.9 8 706 3048 115 3 -2.7 1.3 | 104 9 -8.7 2.2 9 700 3125 125 3 -2.5 1.7 | 107 9 -8.4 2.6 10 655 3658 255 6 5.8 1.6 | 176 2 -0.2 2.5 11 631 3962 220 5 3.2 3.8 | 150 5 -2.8 4.7 12 607 4267 215 3 1.7 2.5 | 128 5 -4.3 3.4 13 585 4572 215 8 4.6 6.6 | 169 8 -1.4 7.5 14 563 4877 220 10 6.4 7.7 | 183 9 0.5 8.6 15 522 5486 240 13 11.3 6.5 | 215 9 5.3 7.4 16 500 5830 255 13 12.6 3.4 | 237 8 6.6 4.3 17 483 6096 260 13 12.8 2.3 | 245 8 6.8 3.2 18 400 7550 230 16 12.3 10.3 | 209 13 6.3 11.2 19 396 7620 230 16 12.3 10.3 | 209 13 6.3 11.2 20 322 9144 265 20 19.9 1.7 | 259 14 13.9 2.7 21 300 9670 250 25 23.5 8.6 | 242 20 17.5 9.5 22 260 10668 245 30 27.2 12.7 | 237 25 21.2 13.6 23 250 10940 245 32 29.0 13.5 | 238 27 23.0 14.4 24 207 12192 260 34 33.5 5.9 | 256 28 27.5 6.8 25 200 12420 260 33 32.5 5.7 | 256 27 26.5 6.6 26 163 13716 255 31 29.9 8.0 | 250 26 24.0 8.9 27 150 14220 275 31 30.9 -2.7 | 274 25 24.9 -1.8 28 126 15240 285 27 26.1 -7.0 | 287 21 20.1 -6.1 29 113 15888 260 14 13.8 2.4 | 247 8 7.8 3.3 30 100 16590 315 12 8.5 -8.5 | 342 8 2.5 -7.6 Wind Parameters Mean winds (0-6000m): 248.7 at 8.1 knts Storm direction: 278.7 at 6.0 knts Shear (0-3000m) pos: 1.0 neg: 0.0 tot: 1.0 10-3/s Storm rel Dir Shear (0-3000m): 65.8 deg Storm rel helicity (0-3000m) pos: 44.8 neg: -17.3 tot: 27.4 m^2/s^2 ave: 9.1 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 1.8 10^-3/s Energy-Hel index: 48.47 Bulk Rich Number: 8986.85 Bulk Shear: 29.64 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 27 8 57 11| 11.8 0.0 11.8| 0.2 -16.9 -16.7 -33.4 -0.61| 12.1 -7.5 1000 31 8 58 12| 3.8 0.0 3.8| 12.7 -16.9 -4.2 -4.2 -0.22| 8.4 -1.9 1500 34 8 63 12| 1.6 0.0 1.6| 19.2 -16.9 2.3 1.6 -0.07| 6.7 -0.5 2000 39 7 68 11| 0.8 0.0 0.8| 29.1 -16.9 12.2 6.1 0.11| 6.1 0.7 2500 47 6 73 11| 0.8 0.0 0.8| 35.9 -16.9 19.0 7.6 0.21| 5.5 1.1 3000 43 6 72 10| 1.0 0.0 1.0| 44.8 -17.3 27.4 9.1 0.29| 6.2 1.8 4000 47 6 74 11| 1.5 0.4 1.9| 54.5 -21.7 32.9 8.2 0.28| 6.0 1.7 5000 239 7 179 4| 1.7 0.3 2.0| 73.4 -21.7 51.8 10.4 0.38| 5.7 2.2 6000 249 8 202 4| 1.4 0.3 1.8| 76.6 -27.7 48.9 8.2 0.33| 5.2 1.7 Wrote GIF file: /home/apache/climate/data/raob//VI726/skewt/VI726.skewt.20251018.00.gif