UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 30 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 1000 84 21.0 18.9 88 2.1 19.6 0 0 294.1 296.6 292.7 333.8 13.87 1 925 756 21.4 11.4 53 10.0 15.1 75 25 301.2 302.9 291.2 328.3 9.19 2 850 1482 16.2 7.2 55 9.0 10.9 95 21 303.1 304.5 290.5 325.6 7.51 3 700 3103 6.0 0.0 65 6.0 2.8 55 5 309.1 310.2 290.6 326.1 5.47 4 500 5770 -10.7 -16.7 61 6.0 -12.8 70 19 320.0 320.4 290.9 326.9 2.07 5 400 7450 -21.9 -30.9 44 9.0 -23.7 120 3 326.5 326.7 291.5 329.2 0.73 6 300 9500 -34.7 -46.7 29 12.0 -35.8 250 51 336.5 336.5 293.6 337.2 0.19 7 265 10356 -41.0 -59.1 12 18.1 -41.8 240 75 339.5 339.5 294.3 339.7 0.05 8 250 10750 -43.9 -64.9 8 21.0 -44.6 240 69 340.8 340.8 294.6 340.9 0.02 9 200 12240 -48.5 -82.5 1 34.0 -49.1 255 69 356.0 356.0 297.9 356.0 0.00 10 150 14100 -57.5 -88.5 1 31.0 -57.8 260 53 371.0 371.0 300.7 371.0 0.00 11 100 16550 -73.7 -99.7 1 26.0 -73.7 285 38 385.3 385.3 303.1 385.3 0.00 TRP WND 265 10356 -41.0 -59.1 12 18.1 -41.8 240 75 339.5 339.5 294.3 339.7 0.05 Sounding variables and indices 1000-500 mb thick: 5686.16 m Freezing level: 628.14 mb = 4061.20 m = 13324.00 ft Wetbulb zero: 663.66 mb = 3525.60 m = 11566.80 ft Precipitable water: 1.35 inches Sfc-500 mean rel hum: 62.11 % Est. max temperature: 29.97 C = 85.94 F Sfc-Lift cond lev (LCL): 969.89 mb = 347.39 m = 1139.72 ft T: 21.16 C 700-500 lapse rate: 6.26 C/km ThetaE index: 8.17 C Layer 925.0- 700.0 mb Conv cond level (CCL): 771.92 mb = 2286.43 m = 7501.31 ft Mean mixing ratio: 10.85 g/kg Conv temperature: 32.99 C = 91.37 F Cap Strength: 4.04 C Lifted Index: 0.35 C Risk: Showers probable Lifted Index @300 mb: 5.39 C Lifted Index @700 mb: 1.59 C Showalter Index: 2.70 C Risk: Showers probable Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 17.90 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 147.40 Risk: None Energy Index: 0.28 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.95 J/kg Max Up Vert Vel: 6.77 m/s Conv Inhibition (B-): 5729.23 J/kg Cap Strength: 4.04 C Lift Cond Lev (LCL): 858.54 mb = 1396.21 m = 4580.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 102 at 10 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 1000 84 0 0 -0.0 -0.0 | 282 10 9.7 -2.0 1 1000 78 0 0 -0.0 -0.0 | 282 10 9.7 -2.0 2 974 305 65 17 -15.4 -7.2 | 32 11 -5.7 -9.2 3 941 610 70 23 -21.6 -7.9 | 50 15 -11.9 -9.9 4 925 756 75 25 -24.1 -6.5 | 60 17 -14.5 -8.5 5 908 914 85 26 -25.9 -2.3 | 75 17 -16.2 -4.3 6 876 1219 95 25 -24.9 2.2 | 91 15 -15.2 0.2 7 850 1482 95 21 -20.9 1.8 | 89 11 -11.2 -0.2 8 815 1829 90 15 -15.0 0.0 | 69 6 -5.3 -2.0 9 786 2134 95 12 -12.0 1.0 | 67 2 -2.3 -1.0 10 758 2438 100 12 -11.8 2.1 | 92 2 -2.1 0.1 11 731 2743 95 11 -11.0 1.0 | 50 2 -1.3 -1.1 12 705 3048 70 7 -6.6 -2.4 | 325 5 3.1 -4.4 13 700 3103 55 5 -4.1 -2.9 | 311 7 5.6 -4.9 14 653 3658 305 6 4.9 -3.4 | 291 16 14.6 -5.5 15 628 3962 315 7 4.9 -4.9 | 295 16 14.6 -7.0 16 604 4267 325 6 3.4 -4.9 | 298 15 13.1 -6.9 17 582 4572 20 5 -1.7 -4.7 | 310 10 8.0 -6.7 18 560 4877 50 9 -6.9 -5.8 | 340 8 2.8 -7.8 19 518 5486 50 18 -13.8 -11.6 | 17 14 -4.1 -13.6 20 500 5770 70 19 -17.9 -6.5 | 44 12 -8.2 -8.5 21 479 6096 85 17 -16.9 -1.5 | 64 8 -7.2 -3.5 22 400 7450 120 3 -2.6 1.5 | 274 7 7.1 -0.5 23 391 7620 155 2 -0.8 1.8 | 271 9 8.8 -0.2 24 315 9144 265 26 25.9 2.3 | 270 36 35.6 0.2 25 300 9500 250 51 47.9 17.4 | 255 60 57.6 15.4 26 265 10356 240 75 65.0 37.5 | 245 83 74.6 35.5 27 253 10668 240 72 62.4 36.0 | 245 80 72.0 34.0 28 250 10750 240 69 59.8 34.5 | 245 77 69.4 32.5 29 201 12192 255 72 69.5 18.6 | 258 81 79.2 16.6 30 200 12240 255 69 66.6 17.9 | 258 78 76.3 15.8 31 159 13716 250 60 56.4 20.5 | 254 69 66.1 18.5 32 150 14100 260 53 52.2 9.2 | 263 62 61.9 7.2 33 124 15240 260 50 49.2 8.7 | 264 59 58.9 6.7 34 100 16550 285 38 36.7 -9.8 | 284 48 46.4 -11.9 Wind Parameters Mean winds (0-6000m): 71.8 at 13.2 knts Storm direction: 101.8 at 9.9 knts Shear (0-3000m) pos: 2.0 neg: 1.3 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 31.4 deg Storm rel helicity (0-3000m) pos: 112.6 neg: -12.1 tot: 100.4 m^2/s^2 ave: 33.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 4.6 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 39.54 Bulk Shear: 0.58 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 67 15 27 9| 23.0 0.0 23.0| 62.3 0.0 62.3 124.5 0.93| 26.0 24.3 1000 75 20 53 12| 13.1 0.0 13.1|104.7 0.0 104.7 104.7 0.94| 18.3 17.2 1500 82 21 66 12| 6.6 0.0 6.6|112.1 -2.9 109.2 72.8 0.79| 14.8 11.7 2000 84 20 68 11| 3.2 0.0 3.2|112.1 -6.9 105.2 52.6 0.64| 12.9 8.3 2500 86 18 68 9| 2.4 0.0 2.4|112.6 -7.1 105.4 42.2 0.62| 10.7 6.7 3000 86 17 66 8| 2.0 1.3 3.3|112.6 -12.1 100.4 33.5 0.44| 10.3 4.6 4000 81 14 44 6| 1.5 2.2 3.7|119.2 -31.5 87.7 21.9 0.31| 9.4 2.9 5000 75 12 24 6| 2.6 1.8 4.3|149.2 -31.5 117.7 23.5 0.38| 9.0 3.4 6000 72 13 25 7| 2.8 1.5 4.3|190.8 -31.5 159.4 26.6 0.44| 9.0 4.0 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20250430.00.gif