UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 1 MAY 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 1001 79 22.8 19.0 79 3.8 20.2 0 0 295.9 298.4 293.3 336.0 13.94 1 1000 88 22.8 15.8 65 7.0 18.2 295 2 296.0 298.0 291.3 328.7 11.36 2 925 772 24.6 10.6 41 14.0 15.7 60 3 304.5 306.1 291.9 330.6 8.70 3 850 1505 18.0 9.0 56 9.0 12.4 70 13 305.0 306.6 291.9 330.6 8.50 4 700 3132 6.0 1.0 70 5.0 3.3 105 25 309.1 310.2 290.9 327.3 5.89 5 500 5790 -12.3 -16.6 70 4.3 -13.7 100 2 318.0 318.4 290.3 325.0 2.09 6 400 7470 -23.3 -30.3 53 7.0 -24.6 85 9 324.7 324.9 291.0 327.5 0.77 7 300 9510 -37.9 -50.9 24 13.0 -38.8 270 5 332.0 332.0 292.4 332.4 0.12 8 282 9933 -41.1 -59.1 13 18.0 -41.9 250 16 333.3 333.3 292.6 333.5 0.05 9 250 10750 -41.9 -77.9 1 36.0 -42.8 255 42 343.8 343.8 295.2 343.8 0.00 10 200 12250 -46.1 -81.1 1 35.0 -46.9 245 64 359.8 359.8 298.7 359.8 0.00 11 151 14068 -57.0 -88.1 1 31.1 -57.3 260 65 371.1 371.1 300.8 371.1 0.00 12 150 14110 -57.3 -88.3 1 31.0 -57.6 260 65 371.4 371.4 300.8 371.4 0.00 13 100 16580 -73.1 -99.1 1 26.0 -73.2 265 39 386.5 386.5 303.3 386.5 0.00 TRP 282 9933 -41.1 -59.1 13 18.0 -41.9 250 16 333.3 333.3 292.6 333.5 0.05 WND 151 14068 -57.0 -88.1 1 31.1 -57.3 260 65 371.1 371.1 300.8 371.1 0.00 Sounding variables and indices 1000-500 mb thick: 5702.00 m Freezing level: 634.43 mb = 4003.48 m = 13134.60 ft Wetbulb zero: 661.21 mb = 3582.31 m = 11752.83 ft Precipitable water: 1.38 inches Sfc-500 mean rel hum: 63.61 % Est. max temperature: 31.93 C = 89.48 F Sfc-Lift cond lev (LCL): 946.88 mb = 566.88 m = 1859.82 ft T: 24.06 C 700-500 lapse rate: 6.88 C/km ThetaE index: 7.29 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 731.49 mb = 2763.21 m = 9065.54 ft Mean mixing ratio: 9.72 g/kg Conv temperature: 35.17 C = 95.31 F Cap Strength: 4.61 C Lifted Index: -1.07 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.39 C Lifted Index @700 mb: 1.70 C Showalter Index: -1.36 C Risk: Thunderstorms probable Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 21.30 C K Index: 34.30 Risk: 60-80 % chance of thunderstorms Sweat Index: 188.00 Risk: None Energy Index: -1.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 99.06 J/kg Max Up Vert Vel: 14.08 m/s Conv Inhibition (B-): 308.36 J/kg Cap Strength: 4.61 C Lift Cond Lev (LCL): 807.16 mb = 1938.39 m = 6359.47 ft Lev Free Conv (LFC): 582.16 mb = 4588.22 m = 15053.02 ft Equ Level (EL): 392.16 mb = 7610.42 m = 24968.27 ft B at Equ Level: 98.94 J/kg Max Parcel Lev (MPL): 292.16 mb = 9691.19 m = 31794.86 ft Wind level data Storm motion: 119 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 1001 79 0 0 -0.0 -0.0 | 299 10 8.4 -4.7 1 1000 88 295 2 1.8 -0.8 | 298 12 10.2 -5.5 2 976 305 340 13 4.4 -12.2 | 323 21 12.9 -16.9 3 942 610 355 5 0.4 -5.0 | 317 13 8.8 -9.7 4 925 772 60 3 -2.6 -1.5 | 317 8 5.8 -6.2 5 910 914 75 5 -4.8 -1.3 | 329 7 3.6 -6.0 6 878 1219 75 9 -8.7 -2.3 | 2 7 -0.3 -7.0 7 850 1505 70 13 -12.2 -4.4 | 23 10 -3.8 -9.1 8 818 1829 75 18 -17.4 -4.7 | 44 13 -9.0 -9.3 9 789 2134 85 20 -19.9 -1.7 | 61 13 -11.5 -6.4 10 760 2438 90 20 -20.0 0.0 | 68 12 -11.6 -4.7 11 733 2743 100 21 -20.7 3.6 | 85 12 -12.3 -1.0 12 707 3048 105 24 -23.2 6.2 | 96 15 -14.8 1.5 13 700 3132 105 25 -24.1 6.5 | 97 16 -15.7 1.8 14 655 3658 110 21 -19.7 7.2 | 103 12 -11.3 2.5 15 630 3962 105 18 -17.4 4.7 | 90 9 -9.0 -0.0 16 606 4267 100 14 -13.8 2.4 | 67 6 -5.4 -2.2 17 583 4572 90 10 -10.0 0.0 | 19 5 -1.6 -4.7 18 561 4877 70 6 -5.6 -2.1 | 338 7 2.8 -6.7 19 520 5486 330 4 2.0 -3.5 | 308 13 10.4 -8.1 20 500 5790 100 2 -2.0 0.3 | 304 8 6.4 -4.3 21 480 6096 110 6 -5.6 2.1 | 313 4 2.8 -2.6 22 400 7470 85 9 -9.0 -0.8 | 6 5 -0.6 -5.5 23 392 7620 80 9 -8.9 -1.6 | 4 6 -0.5 -6.2 24 316 9144 10 14 -2.4 -13.8 | 342 19 6.0 -18.5 25 300 9510 270 5 5.0 -0.0 | 289 14 13.4 -4.7 26 282 9933 250 16 15.0 5.5 | 268 23 23.4 0.8 27 253 10668 260 37 36.4 6.4 | 268 45 44.8 1.8 28 250 10750 255 42 40.6 10.9 | 263 49 49.0 6.2 29 202 12192 245 61 55.3 25.8 | 252 67 63.7 21.1 30 200 12250 245 64 58.0 27.0 | 251 70 66.4 22.4 31 159 13716 250 59 55.4 20.2 | 256 66 63.9 15.5 32 151 14068 260 65 64.0 11.3 | 265 73 72.4 6.6 33 150 14110 260 65 64.0 11.3 | 265 73 72.4 6.6 34 125 15240 275 49 48.8 -4.3 | 279 58 57.2 -8.9 35 100 16580 265 39 38.9 3.4 | 272 47 47.3 -1.3 Wind Parameters Mean winds (0-6000m): 89.0 at 12.8 knts Storm direction: 119.0 at 9.6 knts Shear (0-3000m) pos: 4.0 neg: 1.8 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 157.1 deg Storm rel helicity (0-3000m) pos: 103.2 neg: -6.2 tot: 97.0 m^2/s^2 ave: 32.3 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 5.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 2.46 Bulk Shear: 40.32 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 ------------------------------------------------------------------------------- 500 340 8 318 17| 0.0 6.0 6.0| 32.4 -4.5 27.8 55.7 0.30| 20.6 6.2 1000 3 7 324 14| 4.4 3.0 7.4| 41.0 -6.2 34.8 34.8 0.32| 15.3 5.0 1500 39 8 342 11| 2.9 3.5 6.4| 53.2 -6.2 47.0 31.3 0.42| 12.7 5.3 2000 58 10 2 10| 3.9 2.6 6.5| 73.7 -6.2 67.5 33.8 0.49| 11.3 5.6 2500 70 12 20 9| 3.7 2.1 5.8| 87.2 -6.2 81.0 32.4 0.53| 9.9 5.3 3000 79 14 36 9| 4.0 1.8 5.7|103.2 -6.2 97.0 32.3 0.56| 9.3 5.2 4000 90 16 58 9| 2.7 1.5 4.3|108.2 -14.0 94.2 23.5 0.45| 8.1 3.7 5000 90 15 54 8| 2.2 2.4 4.6|108.2 -32.9 75.3 15.1 0.21| 8.1 1.7 6000 89 13 42 7| 2.4 2.0 4.5|114.3 -50.9 63.4 10.6 0.14| 8.1 1.1 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20250501.00.gif