UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 16 APR 25 Station: VI399 WMO ident: 42399 Latitude: 26.53 Longitude: 88.72 ------------------------------------------------------------------------------- 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 999 87 20.8 18.2 85 2.6 19.1 0 0 294.0 296.4 292.2 331.9 13.28 1 925 753 24.0 16.0 61 8.0 18.5 300 6 303.8 306.2 294.6 340.9 12.46 2 850 1486 18.6 10.6 60 8.0 13.6 195 10 305.6 307.4 292.8 334.1 9.48 3 700 3113 6.6 -1.4 57 8.0 2.5 285 8 309.8 310.7 290.3 325.2 4.93 4 500 5780 -9.5 -14.0 70 4.5 -11.2 20 19 321.5 322.0 291.7 330.1 2.59 5 400 7470 -21.1 -27.1 58 6.0 -22.5 340 15 327.6 327.8 292.0 331.3 1.04 6 300 9530 -35.1 -39.9 61 4.8 -35.7 245 47 335.9 336.0 293.7 337.4 0.40 7 250 10790 -39.3 -76.3 1 37.0 -40.5 260 38 347.6 347.6 296.1 347.7 0.00 8 200 12300 -46.9 -80.9 1 34.0 -47.6 285 39 358.5 358.5 298.4 358.5 0.00 9 150 14160 -58.1 -89.1 1 31.0 -58.3 305 39 370.0 370.0 300.5 370.0 0.00 10 100 16610 -76.1 -101.1 1 25.0 -76.2 310 47 380.7 380.7 302.3 380.7 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5693.24 m Freezing level: 618.01 mb = 4206.30 m = 13800.04 ft Wetbulb zero: 663.66 mb = 3535.57 m = 11599.49 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 62.48 % Est. max temperature: 32.42 C = 90.36 F Sfc-Lift cond lev (LCL): 961.64 mb = 416.70 m = 1367.10 ft T: 22.38 C 700-500 lapse rate: 6.04 C/km ThetaE index: 15.75 C Layer 850.0- 500.0 mb Conv cond level (CCL): 784.52 mb = 2157.75 m = 7079.15 ft Mean mixing ratio: 12.61 g/kg Conv temperature: 34.17 C = 93.50 F Cap Strength: 4.67 C Lifted Index: -1.61 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.56 C Lifted Index @700 mb: -0.22 C Showalter Index: -0.20 C Risk: Thunderstorms probable Total Totals Index: 48.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 20.10 C K Index: 30.70 Risk: 60-80 % chance of thunderstorms Sweat Index: 166.20 Risk: None Energy Index: -0.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 332.26 J/kg Max Up Vert Vel: 25.78 m/s Conv Inhibition (B-): 207.33 J/kg Cap Strength: 4.67 C Lift Cond Lev (LCL): 867.26 mb = 1311.69 m = 4303.40 ft Lev Free Conv (LFC): 702.26 mb = 3085.93 m = 10124.33 ft Equ Level (EL): 312.26 mb = 9243.08 m = 30324.71 ft B at Equ Level: 331.00 J/kg Max Parcel Lev (MPL): 242.26 mb = 11002.69 m = 36097.62 ft Wind level data Storm motion: 264 at 7 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 ---------------------------------------------------------- 0 999 87 0 0 -0.0 -0.0 | 84 7 -7.2 -0.7 1 974 305 80 4 -3.9 -0.7 | 83 11 -11.1 -1.4 2 940 610 235 7 5.7 4.0 | 156 4 -1.5 3.3 3 925 753 300 6 5.2 -3.0 | 28 4 -2.0 -3.7 4 908 914 210 5 2.5 4.3 | 127 6 -4.7 3.6 5 877 1219 180 7 0.0 7.0 | 131 10 -7.2 6.3 6 850 1486 195 10 2.6 9.7 | 153 10 -4.6 8.9 7 816 1829 190 11 1.9 10.8 | 152 11 -5.3 10.1 8 787 2134 160 12 -4.1 11.3 | 133 15 -11.3 10.5 9 759 2438 165 7 -1.8 6.8 | 124 11 -9.0 6.0 10 732 2743 110 8 -7.5 2.7 | 98 15 -14.7 2.0 11 705 3048 25 7 -3.0 -6.3 | 55 12 -10.2 -7.1 12 700 3113 285 8 7.7 -2.1 | 350 3 0.5 -2.8 13 654 3658 285 12 11.6 -3.1 | 311 6 4.4 -3.8 14 629 3962 245 10 9.1 4.2 | 208 4 1.9 3.5 15 605 4267 215 13 7.5 10.6 | 181 10 0.2 9.9 16 582 4572 215 7 4.0 5.7 | 147 6 -3.2 5.0 17 560 4877 30 10 -5.0 -8.7 | 52 15 -12.2 -9.4 18 519 5486 245 11 10.0 4.6 | 215 5 2.8 3.9 19 500 5780 20 19 -6.5 -17.9 | 36 23 -13.7 -18.6 20 480 6096 15 17 -4.4 -16.4 | 34 21 -11.6 -17.2 21 400 7470 340 15 5.1 -14.1 | 8 15 -2.1 -14.8 22 392 7620 335 15 6.3 -13.6 | 3 14 -0.9 -14.3 23 317 9144 270 36 36.0 -0.0 | 271 29 28.8 -0.7 24 300 9530 245 47 42.6 19.9 | 242 40 35.4 19.1 25 254 10668 255 32 30.9 8.3 | 252 25 23.7 7.5 26 250 10790 260 38 37.4 6.6 | 259 31 30.2 5.9 27 203 12192 290 34 31.9 -11.6 | 297 28 24.7 -12.4 28 200 12300 285 39 37.7 -10.1 | 290 32 30.5 -10.8 29 161 13716 310 50 38.3 -32.1 | 317 45 31.1 -32.9 30 150 14160 305 39 31.9 -22.4 | 313 34 24.7 -23.1 31 125 15240 290 38 35.7 -13.0 | 296 32 28.5 -13.7 32 100 16610 310 47 36.0 -30.2 | 317 42 28.8 -31.0 Wind Parameters Mean winds (0-6000m): 234.1 at 9.7 knts Storm direction: 264.1 at 7.2 knts Shear (0-3000m) pos: 0.7 neg: 1.9 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): -61.6 deg Storm rel helicity (0-3000m) pos: 42.1 neg: -99.0 tot: -56.9 m^2/s^2 ave: -19.0 10^-3 m/s^2 rel: -0.19 Storm rel vorticity (0-3000m) horiz: 13.2 stream: -2.5 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 24.15 Bulk Shear: 13.76 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 ------------------------------------------------------------------------------- 500 148 4 105 10| 0.0 7.0 7.0| 29.4 -2.6 26.8 53.6 0.59| 18.7 11.1 1000 227 5 126 4| 0.0 3.2 3.2| 32.8 -4.0 28.8 28.8 0.31| 18.2 5.7 1500 202 6 134 7| 1.4 2.1 3.5| 42.1 -4.1 38.0 25.3 0.36| 14.0 5.0 2000 193 7 139 8| 1.1 2.2 3.3| 42.1 -17.4 24.7 12.4 0.23| 12.1 2.8 2500 184 8 136 10| 0.9 1.3 2.1| 42.1 -35.5 6.6 2.6 0.10| 11.3 1.1 3000 174 8 131 11| 0.7 1.9 2.6| 42.1 -99.0 -56.9 -19.0 -0.19| 13.2 -2.5 4000 212 8 156 7| 0.5 1.1 1.6| 42.1-114.8 -72.7 -18.2 -0.30| 12.4 -3.7 5000 216 9 162 7| 1.1 0.4 1.5| 65.4-152.3 -86.8 -17.4 -0.30| 14.7 -4.4 6000 234 10 187 5| 2.4 1.2 3.7|153.7-179.6 -25.9 -4.3 -0.13| 17.3 -2.3 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20250416.00.gif