UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for VI622... Searching the city database file for: VI622 ... Date:0000Z 19 APR 25 Station: VI622 WMO ident: 42622 ------------------------------------------------------------------------------- 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 991 77 23.4 20.0 81 3.4 21.0 0 0 297.3 300.0 294.5 340.8 15.01 1 104 16423 -75.9 -101.9 1 26.0 -75.9 280 28 376.8 376.8 301.7 376.8 0.00 2 100 16650 -76.3 -101.3 1 25.0 -76.3 280 28 380.3 380.3 302.3 380.3 0.00 TRP 104 16423 -75.9 -101.9 1 26.0 -75.9 280 28 376.8 376.8 301.7 376.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 4960.63 m Freezing level: 781.98 mb = 3928.83 m = 12889.72 ft Wetbulb zero: 798.62 mb = 1641.76 m = 5386.29 ft Precipitable water: 2.61 inches Sfc-500 mean rel hum: 83.88 % Est. max temperature: 30.07 C = 86.13 F Sfc-Lift cond lev (LCL): 943.06 mb = 436.29 m = 1431.38 ft T: 21.22 C 700-500 lapse rate: 6.07 C/km ThetaE index: 0.00 C Layer 991.0-2035380315314230741112602740391936.0 mb Conv cond level (CCL): 104.00 mb = 16423.43 m = 53881.99 ft Mean mixing ratio: 42.62 g/kg Conv temperature: 249.65 C = 481.37 F Cap Strength: -10.96 C Lifted Index: -20.35 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -25.97 C Lifted Index @700 mb: -15.84 C Showalter Index: 2.62 C Risk: Showers probable Total Totals Index: 41.81 C Risk: None Vertical Totals Index: 23.37 C Cross Totals Index: 18.43 C K Index: 28.19 Risk: 40-60 % chance of thunderstorms Sweat Index: 152.72 Risk: None Energy Index: -1.55 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 271683.34 J/kg Max Up Vert Vel: 737.13 m/s Conv Inhibition (B-): 15513.36 J/kg Cap Strength: 4.07 C Lift Cond Lev (LCL): 1290.75 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: 265 at 5 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 ---------------------------------------------------------- 0 991 77 0 0 -0.0 -0.0 | 85 5 -4.6 -0.4 1 968 305 320 6 3.9 -4.6 | 8 5 -0.7 -5.0 2 939 610 285 7 6.8 -1.8 | 315 3 2.2 -2.2 3 925 755 265 6 6.0 0.5 | 264 1 1.4 0.1 4 908 914 265 7 7.0 0.6 | 264 2 2.4 0.2 5 877 1219 250 4 3.8 1.4 | 140 1 -0.8 1.0 6 850 1487 225 6 4.2 4.2 | 175 4 -0.3 3.9 7 816 1829 225 14 9.9 9.9 | 209 11 5.3 9.5 8 787 2134 210 12 6.0 10.4 | 188 10 1.4 10.0 9 759 2438 230 9 6.9 5.8 | 203 6 2.3 5.4 10 732 2743 230 7 5.4 4.5 | 191 4 0.8 4.1 11 706 3048 245 7 6.3 3.0 | 214 3 1.8 2.6 12 700 3118 255 6 5.8 1.6 | 226 2 1.2 1.2 13 654 3658 245 4 3.6 1.7 | 144 2 -1.0 1.3 14 630 3962 250 3 2.8 1.0 | 110 2 -1.8 0.6 15 606 4267 215 4 2.3 3.3 | 142 4 -2.3 2.9 16 583 4572 205 7 3.0 6.3 | 165 6 -1.6 6.0 17 561 4877 180 6 0.0 6.0 | 141 7 -4.6 5.6 18 520 5486 165 1 -0.3 1.0 | 97 5 -4.8 0.6 19 500 5800 340 5 1.7 -4.7 | 29 6 -2.9 -5.1 20 481 6096 260 10 9.8 1.7 | 256 5 5.3 1.4 21 400 7490 185 7 0.6 7.0 | 149 8 -4.0 6.6 22 393 7620 185 6 0.5 6.0 | 144 7 -4.1 5.6 23 318 9144 250 12 11.3 4.1 | 241 8 6.7 3.7 24 300 9570 215 10 5.7 8.2 | 188 8 1.2 7.8 25 257 10668 285 42 40.6 -10.9 | 287 38 36.0 -11.2 26 250 10850 290 37 34.8 -12.7 | 293 33 30.2 -13.0 27 205 12192 255 42 40.6 10.9 | 254 37 36.0 10.5 28 200 12360 260 46 45.3 8.0 | 259 41 40.7 7.6 29 162 13716 285 49 47.3 -12.7 | 287 45 42.8 -13.1 30 150 14210 300 41 35.5 -20.5 | 304 37 30.9 -20.9 31 104 16423 280 28 27.6 -4.9 | 283 24 23.0 -5.2 32 100 16650 280 28 27.6 -4.9 | 283 24 23.0 -5.2 Wind Parameters Mean winds (0-6000m): 235.3 at 6.1 knts Storm direction: 265.3 at 4.6 knts Shear (0-3000m) pos: 1.4 neg: 2.1 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 133.4 deg Storm rel helicity (0-3000m) pos: 10.3 neg: -22.5 tot: -12.2 m^2/s^2 ave: -4.1 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -1.9 10^-3/s Energy-Hel index: 9.57 Bulk Rich Number: 47122.48 Bulk Shear: 5.77 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 ------------------------------------------------------------------------------- 500 308 5 12 3| 0.0 7.1 7.1| 0.0 -11.0 -11.0 -21.9 -0.96| 10.2 -9.8 1000 284 6 332 2| 0.0 2.8 2.8| 0.0 -12.7 -12.7 -12.7 -0.87| 7.8 -6.7 1500 268 6 283 1| 0.0 2.8 2.8| 2.0 -13.0 -11.0 -7.4 -0.57| 7.3 -4.2 2000 246 7 219 3| 0.0 3.2 3.2| 5.6 -20.7 -15.1 -7.6 -0.44| 7.6 -3.4 2500 239 8 210 4| 1.1 2.5 3.6| 9.0 -21.9 -13.0 -5.2 -0.34| 7.3 -2.5 3000 238 8 208 4| 1.4 2.1 3.5| 10.3 -22.5 -12.2 -4.1 -0.29| 6.6 -1.9 4000 240 7 204 3| 1.0 1.3 2.4| 10.7 -23.6 -12.9 -3.2 -0.31| 5.6 -1.7 5000 233 7 190 4| 0.8 1.3 2.1| 13.2 -31.1 -17.9 -3.6 -0.29| 5.4 -1.5 6000 235 6 188 3| 1.3 1.1 2.3| 14.4 -48.7 -34.3 -5.7 -0.41| 6.4 -2.7 Wrote GIF file: /home/apache/climate/data/raob//VI622/skewt/VI622.skewt.20250419.00.gif