UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for VI726... Searching the city database file for: VI726 ... Date:0000Z 17 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 911 890 20.6 20.6 100 0.0 20.6 0 0 301.7 304.8 297.0 351.8 17.00 1 850 1484 18.2 13.5 74 4.7 15.1 25 7 305.2 307.4 294.3 339.7 11.52 2 700 3126 9.8 1.8 57 8.0 5.4 360 3 313.3 314.5 292.5 332.9 6.24 3 500 5830 -5.5 -22.5 25 17.0 -10.9 250 14 326.3 326.6 291.9 330.8 1.26 4 400 7550 -14.7 -23.7 46 9.0 -17.3 225 21 335.9 336.2 294.6 341.0 1.41 5 300 9670 -29.3 -55.3 6 26.0 -31.5 250 19 344.1 344.1 295.4 344.4 0.07 6 250 10950 -39.5 -56.5 15 17.0 -40.5 240 32 347.3 347.4 296.1 347.7 0.07 7 200 12430 -52.1 -85.1 1 33.0 -52.5 235 35 350.3 350.3 296.7 350.3 0.00 8 150 14820 -70.3 -97.3 1 27.0 -70.4 260 21 349.0 349.0 296.4 349.0 0.00 9 100 17160 -78.3 -103.3 1 25.0 -78.3 265 8 376.4 376.4 301.6 376.4 0.00 TRP WND Sounding variables and indices Freezing level: 571.90 mb = 4857.97 m = 15938.04 ft Wetbulb zero: 634.05 mb = 3921.18 m = 12864.62 ft Precipitable water: 1.25 inches Sfc-500 mean rel hum: 54.40 % Est. max temperature: 28.55 C = 83.38 F Sfc-Lift cond lev (LCL): 911.31 mb = 890.11 m = 2920.27 ft T: 20.60 C 700-500 lapse rate: 5.66 C/km ThetaE index: 21.06 C Layer 850.0- 400.0 mb Conv cond level (CCL): 762.11 mb = 2407.06 m = 7897.08 ft Mean mixing ratio: 12.85 g/kg Conv temperature: 28.48 C = 83.27 F Cap Strength: 2.03 C Lifted Index: 0.11 C Risk: Showers probable Lifted Index @300 mb: 3.08 C Lifted Index @700 mb: 1.23 C Showalter Index: 1.39 C Risk: Showers probable Total Totals Index: 42.70 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 19.00 C K Index: 29.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 190.00 Risk: None Energy Index: -1.71 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.62 J/kg Max Up Vert Vel: 6.58 m/s Conv Inhibition (B-): 2534.86 J/kg Cap Strength: 2.03 C Lift Cond Lev (LCL): 820.21 mb = 1785.70 m = 5858.52 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 284 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 ---------------------------------------------------------- 0 911 890 0 0 -0.0 -0.0 | 104 6 -5.6 1.4 1 908 914 30 4 -2.0 -3.5 | 75 8 -7.6 -2.1 2 877 1219 15 8 -2.1 -7.7 | 51 10 -7.7 -6.3 3 850 1484 25 7 -3.0 -6.3 | 60 10 -8.6 -4.9 4 816 1829 35 5 -2.9 -4.1 | 72 9 -8.5 -2.7 5 787 2134 25 3 -1.3 -2.7 | 79 7 -6.9 -1.3 6 759 2438 50 3 -2.3 -1.9 | 86 8 -7.9 -0.5 7 732 2743 40 3 -1.9 -2.3 | 83 8 -7.5 -0.9 8 706 3048 10 2 -0.3 -2.0 | 85 6 -6.0 -0.6 9 700 3126 360 3 -0.0 -3.0 | 74 6 -5.6 -1.6 10 655 3658 280 3 3.0 -0.5 | 109 3 -2.7 0.9 11 631 3962 245 5 4.5 2.1 | 163 4 -1.1 3.5 12 607 4267 225 7 4.9 4.9 | 174 6 -0.7 6.4 13 585 4572 205 9 3.8 8.2 | 169 10 -1.8 9.6 14 563 4877 240 6 5.2 3.0 | 175 4 -0.4 4.4 15 522 5486 255 11 10.6 2.8 | 230 7 5.0 4.3 16 500 5830 250 14 13.2 4.8 | 231 10 7.5 6.2 17 483 6096 245 15 13.6 6.3 | 226 11 8.0 7.8 18 400 7550 225 21 14.8 14.8 | 210 19 9.2 16.3 19 396 7620 225 21 14.8 14.8 | 210 19 9.2 16.3 20 322 9144 245 19 17.2 8.0 | 231 15 11.6 9.4 21 300 9670 250 19 17.9 6.5 | 237 15 12.2 7.9 22 260 10668 235 28 22.9 16.1 | 225 25 17.3 17.5 23 250 10950 240 32 27.7 16.0 | 232 28 22.1 17.4 24 207 12192 235 34 27.9 19.5 | 227 31 22.2 20.9 25 200 12430 235 35 28.7 20.1 | 227 32 23.1 21.5 26 171 13716 260 31 30.5 5.4 | 255 26 24.9 6.8 27 150 14820 260 21 20.7 3.6 | 251 16 15.1 5.1 28 139 15240 255 21 20.3 5.4 | 245 16 14.7 6.8 29 100 17160 265 8 8.0 0.7 | 228 3 2.4 2.1 Wind Parameters Mean winds (0-6000m): 254.1 at 7.7 knts Storm direction: 284.1 at 5.8 knts Shear (0-3000m) pos: 0.5 neg: 1.3 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 50.7 deg Storm rel helicity (0-3000m) pos: 15.2 neg: -15.9 tot: -0.7 m^2/s^2 ave: -0.2 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.04 Bulk Shear: 20.76 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 19 6 59 9| 7.6 0.0 7.6| 1.8 -13.5 -11.6 -23.3 -0.71| 9.0 -6.4 1000 24 6 62 9| 2.4 0.0 2.4| 8.6 -13.5 -4.9 -4.9 -0.29| 6.2 -1.8 1500 26 5 67 9| 1.0 0.0 1.0| 11.7 -13.5 -1.7 -1.2 -0.13| 5.0 -0.7 2000 28 5 71 8| 0.8 0.3 1.1| 11.9 -14.3 -2.4 -1.2 -0.14| 4.1 -0.6 2500 24 4 71 8| 0.6 0.8 1.5| 12.3 -15.9 -3.6 -1.4 -0.15| 4.0 -0.6 3000 16 4 69 7| 0.5 1.3 1.8| 15.2 -15.9 -0.7 -0.2 0.04| 4.1 0.1 4000 335 5 50 5| 0.7 1.4 2.1| 18.4 -17.2 1.3 0.3 0.07| 4.6 0.3 5000 273 6 198 1| 0.6 1.5 2.1| 25.5 -17.7 7.8 1.6 0.16| 4.6 0.8 6000 254 8 207 4| 0.5 1.7 2.2| 25.5 -26.6 -1.1 -0.2 0.09| 4.3 0.4 Wrote GIF file: /home/apache/climate/data/raob//VI726/skewt/VI726.skewt.20251017.00.gif