UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for VI874... Searching the city database file for: VI874 ... Date:0000Z 20 APR 25 Station: VI874 WMO ident: 42874 Latitude: 21.22 Longitude: 81.67 ------------------------------------------------------------------------------- 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 971 29.4 22.4 66 7.0 24.2 0 0 305.1 308.4 298.4 358.5 17.83 1 471 -27.7 -27.7 100 0.0 -27.7 360 11 304.4 304.6 284.2 307.2 0.83 2 351 -39.1 -39.1 100 0.0 -39.1 299 25 315.8 315.8 287.8 317.1 0.37 3 331 -40.7 -40.7 100 0.0 -40.7 298 25 318.9 319.0 288.8 320.1 0.33 4 105 -86.5 -86.5 100 0.0 -86.5 213 11 355.6 355.6 297.8 355.6 0.00 5 86 -93.5 -93.5 100 0.0 -93.5 362.4 362.4 299.2 362.4 0.00 TRP WND Sounding variables and indices Freezing level: 713.56 mb = -9999.00 m = -9999.00 ft Wetbulb zero: 737.74 mb = -9999.00 m = -9999.00 ft Precipitable water: 1.87 inches Sfc-500 mean rel hum: 81.73 % Est. max temperature: 30.38 C = 86.68 F Sfc-Lift cond lev (LCL): 877.59 mb = -9999.00 m = -9999.00 ft T: 21.42 C Conv cond level (CCL): 471.00 mb = -9999.00 m = -9999.00 ft Mean mixing ratio: 24.98 g/kg Conv temperature: 82.51 C = 180.52 F Cap Strength: 1.67 C Lifted Index: -28.22 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -28.94 C Lifted Index @700 mb: -13.41 C Showalter Index: -16.12 C Risk: Severe thunderstorms probable Total Totals Index: 78.05 C Risk: Severe Thunderstorms probable Vertical Totals Index: 41.88 C Cross Totals Index: 36.17 C K Index: 51.23 Risk: > 80 % chance of thunderstorms Sweat Index: 753.91 Risk: Severe Thunderstorms possible Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 2.33 C Lift Cond Lev (LCL): 983.44 mb = -9999.00 m = -9999.00 ft Lev Free Conv (LFC): -4514.00 mb = -9999.00 m = -9999.00 ft Wind level data ------------------------------------ TRUE/GROUND REL LEV P H DIR SPD U V mb m knt m/s ------------------------------------ 0 1013 0 0 0 -0.0 -0.0 1 977 305 185 4 0.3 4.0 2 971 358 0 0 -0.0 -0.0 3 935 610 240 18 15.6 9.0 4 925 684 240 21 18.2 10.5 5 899 914 250 21 19.7 7.2 6 865 1219 265 18 17.9 1.6 7 850 1363 280 16 15.8 -2.8 8 801 1829 300 12 10.4 -6.0 9 771 2134 320 11 7.1 -8.4 10 741 2438 330 11 5.5 -9.5 11 713 2743 325 11 6.3 -9.0 12 700 2890 325 11 6.3 -9.0 13 685 3048 325 11 6.3 -9.0 14 631 3658 325 11 6.3 -9.0 15 606 3962 325 11 6.3 -9.0 16 581 4267 325 11 6.3 -9.0 17 558 4572 310 8 6.1 -5.1 18 535 4877 310 6 4.6 -3.9 19 500 5380 5 11 -1.0 -11.0 20 493 5486 5 12 -1.0 -12.0 21 452 6096 355 11 1.0 -11.0 22 400 6970 290 20 18.8 -6.8 23 364 7620 300 25 21.7 -12.5 24 300 8940 295 26 23.6 -11.0 25 291 9144 295 26 23.6 -11.0 26 250 10140 280 27 26.6 -4.7 27 230 10668 270 23 23.0 -0.0 28 200 11540 245 25 22.7 10.6 29 179 12192 265 23 22.9 2.0 30 150 13270 245 18 16.3 7.6 31 139 13716 240 17 14.7 8.5 32 106 15240 220 10 6.4 7.7 33 100 15550 160 16 -5.5 15.0 Wind Parameters Energy-Hel index: -0.00 Bulk Rich Number: 0.00 Bulk Shear: 30.11 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 NO DATA | | | 1000 NO DATA | | | 1500 NO DATA | | | 2000 NO DATA | | | 2500 NO DATA | | | 3000 NO DATA | | | 4000 NO DATA | | | 5000 NO DATA | | | 6000 NO DATA | | | Wrote GIF file: /home/apache/climate/data/raob//VI874/skewt/VI874.skewt.20250420.00.gif