UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050200.upa.cvt Date: 0000Z 2 MAY 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 2 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 1000 87 22.2 20.1 88 2.1 20.8 0 0 295.4 298.0 293.9 338.3 14.97 1 925 761 21.4 13.4 60 8.0 16.2 95 20 301.2 303.1 292.3 332.1 10.50 2 850 1489 17.2 8.2 55 9.0 11.7 105 23 304.2 305.7 291.2 328.3 8.05 3 700 3111 6.4 0.4 65 6.0 3.2 95 12 309.6 310.6 290.9 327.0 5.63 4 500 5780 -9.7 -16.7 57 7.0 -12.1 35 13 321.2 321.6 291.2 328.2 2.07 5 400 7470 -19.7 -35.7 23 16.0 -22.6 255 6 329.4 329.5 292.0 331.1 0.46 6 300 9540 -35.3 -42.3 49 7.0 -36.0 240 35 335.6 335.7 293.5 336.8 0.31 7 250 10780 -42.7 -62.7 9 20.0 -43.5 245 44 342.6 342.6 295.0 342.7 0.03 8 200 12270 -48.5 -82.5 1 34.0 -49.1 250 59 356.0 356.0 297.9 356.0 0.00 9 150 14130 -57.9 -88.9 1 31.0 -58.2 250 49 370.3 370.3 300.6 370.3 0.00 10 100 16590 -72.9 -98.9 1 26.0 -72.9 280 30 386.9 386.9 303.3 386.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5692.53 m Freezing level: 620.50 mb = 4171.97 m = 13687.40 ft Wetbulb zero: 657.76 mb = 3604.73 m = 11826.41 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 61.94 % Est. max temperature: 31.01 C = 87.83 F Sfc-Lift cond lev (LCL): 970.01 mb = 350.54 m = 1150.05 ft T: 21.89 C 700-500 lapse rate: 6.03 C/km ThetaE index: 11.31 C Layer 925.0- 500.0 mb Conv cond level (CCL): 788.62 mb = 2115.12 m = 6939.29 ft Mean mixing ratio: 12.04 g/kg Conv temperature: 33.14 C = 91.65 F Cap Strength: 3.92 C Lifted Index: -0.46 C Risk: Thunderstorms probable Lifted Index @300 mb: 2.24 C Lifted Index @700 mb: 0.58 C Showalter Index: 2.35 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: 29.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 157.40 Risk: None Energy Index: -0.03 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.91 J/kg Max Up Vert Vel: 10.09 m/s Conv Inhibition (B-): 200.09 J/kg Cap Strength: 3.92 C Lift Cond Lev (LCL): 873.07 mb = 1258.42 m = 4128.62 ft Lev Free Conv (LFC): 628.07 mb = 3971.06 m = 13028.26 ft Equ Level (EL): 448.07 mb = 6610.47 m = 21687.64 ft B at Equ Level: 50.09 J/kg Max Parcel Lev (MPL): 358.07 mb = 8266.75 m = 27121.55 ft Wind level data Storm motion: 117 at 12 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 87 0 0 -0.0 -0.0 | 297 12 11.2 -5.6 1 1000 78 0 0 -0.0 -0.0 | 297 12 11.2 -5.6 2 974 305 55 11 -9.0 -6.3 | 350 12 2.1 -11.9 3 941 610 90 17 -17.0 0.0 | 46 8 -5.8 -5.6 4 925 761 95 20 -19.9 1.7 | 66 10 -8.8 -3.9 5 909 914 100 22 -21.7 3.8 | 80 11 -10.5 -1.8 6 877 1219 105 24 -23.2 6.2 | 93 12 -12.0 0.6 7 850 1489 105 23 -22.2 6.0 | 92 11 -11.1 0.4 8 816 1829 105 21 -20.3 5.4 | 89 9 -9.1 -0.2 9 787 2134 95 20 -19.9 1.7 | 66 10 -8.8 -3.9 10 759 2438 90 22 -22.0 0.0 | 63 12 -10.8 -5.6 11 732 2743 85 20 -19.9 -1.7 | 50 11 -8.8 -7.3 12 705 3048 90 14 -14.0 0.0 | 27 6 -2.8 -5.6 13 700 3111 95 12 -12.0 1.0 | 10 5 -0.8 -4.6 14 653 3658 100 13 -12.8 2.3 | 26 4 -1.6 -3.3 15 629 3962 85 15 -14.9 -1.3 | 29 8 -3.8 -6.9 16 605 4267 80 15 -14.8 -2.6 | 24 9 -3.6 -8.2 17 582 4572 80 16 -15.8 -2.8 | 29 10 -4.6 -8.4 18 560 4877 80 19 -18.7 -3.3 | 40 12 -7.6 -8.9 19 519 5486 65 11 -10.0 -4.6 | 353 10 1.2 -10.3 20 500 5780 35 13 -7.5 -10.6 | 347 17 3.7 -16.3 21 480 6096 30 16 -8.0 -13.9 | 351 20 3.2 -19.5 22 400 7470 255 6 5.8 1.6 | 283 17 17.0 -4.0 23 392 7620 255 7 6.8 1.8 | 282 18 17.9 -3.8 24 317 9144 235 29 23.8 16.6 | 252 37 34.9 11.0 25 300 9540 240 35 30.3 17.5 | 254 43 41.5 11.9 26 254 10668 245 41 37.2 17.3 | 256 50 48.3 11.7 27 250 10780 245 44 39.9 18.6 | 256 53 51.0 13.0 28 202 12192 250 57 53.6 19.5 | 258 66 64.7 13.9 29 200 12270 250 59 55.4 20.2 | 258 68 66.6 14.6 30 160 13716 250 55 51.7 18.8 | 258 64 62.8 13.2 31 150 14130 250 49 46.0 16.8 | 259 58 57.2 11.2 32 125 15240 245 42 38.1 17.7 | 256 51 49.2 12.1 33 100 16590 280 30 29.5 -5.2 | 285 42 40.7 -10.8 Wind Parameters Mean winds (0-6000m): 86.7 at 16.6 knts Storm direction: 116.7 at 12.5 knts Shear (0-3000m) pos: 2.7 neg: 1.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 79.2 deg Storm rel helicity (0-3000m) pos: 84.8 neg: -29.3 tot: 55.5 m^2/s^2 ave: 18.5 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 3.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 6.87 Bulk Shear: 7.41 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 69 10 351 9| 17.0 0.0 17.0| 61.9 0.0 61.9 123.8 0.95| 22.1 21.0 1000 89 15 36 7| 11.9 0.0 11.9| 81.7 0.0 81.7 81.7 0.94| 15.4 14.6 1500 96 18 61 8| 7.7 0.0 7.7| 84.8 -0.9 83.9 56.0 0.89| 11.1 9.9 2000 98 19 68 8| 5.8 1.0 6.8| 84.8 -9.6 75.3 37.6 0.69| 9.5 6.6 2500 96 19 67 9| 4.6 1.4 6.0| 84.8 -16.9 67.9 27.1 0.56| 8.5 4.7 3000 95 19 63 9| 2.7 1.2 3.8| 84.8 -29.3 55.5 18.5 0.35| 8.6 3.0 4000 95 18 57 8| 2.1 1.4 3.5| 86.2 -30.8 55.5 13.9 0.32| 7.3 2.3 5000 92 17 51 8| 1.7 1.4 3.0| 93.5 -40.3 53.3 10.7 0.27| 6.6 1.8 6000 87 17 40 9| 1.4 2.0 3.4| 98.7 -61.8 36.9 6.1 0.14| 6.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20250502.00.gif