UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for FKKD... Searching the city database file for: FKKD ... Date:0000Z 17 APR 25 Station: FKKD WMO ident: 64910 Latitude: 4.00 Longitude: 9.73 Elevation: 9.00 ------------------------------------------------------------------------------- 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 1012 9 25.2 24.3 95 0.9 24.6 160 4 297.3 300.8 297.3 353.1 19.23 1 1000 122 25.4 23.8 91 1.6 24.2 160 5 298.5 302.0 297.4 353.6 18.88 2 925 807 21.6 20.4 93 1.2 20.8 245 11 301.4 304.4 296.7 350.1 16.53 3 850 1541 19.6 15.8 79 3.8 17.0 305 2 306.7 309.2 296.0 347.0 13.40 4 700 3191 10.6 5.9 73 4.7 7.8 85 23 314.2 315.8 294.4 340.3 8.35 5 500 5910 -5.9 -8.6 81 2.7 -7.1 65 16 325.8 326.6 294.1 339.2 4.00 6 400 7640 -14.1 -23.1 46 9.0 -16.9 75 25 336.7 337.0 294.8 342.1 1.49 7 300 9760 -29.9 -40.9 34 11.0 -31.4 55 23 343.2 343.3 295.4 344.7 0.36 8 250 11030 -40.1 -50.1 34 10.0 -40.8 100 8 346.4 346.5 296.0 347.1 0.16 9 200 12510 -52.5 -61.5 33 9.0 -52.8 55 2 349.6 349.6 296.6 349.8 0.05 TRP WND Sounding variables and indices 1000-500 mb thick: 5788.00 m Freezing level: 571.52 mb = 4937.75 m = 16199.78 ft Wetbulb zero: 595.80 mb = 4493.48 m = 14742.20 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 79.56 % Est. max temperature: 33.69 C = 92.65 F Sfc-Lift cond lev (LCL): 999.30 mb = 128.15 m = 420.44 ft T: 25.37 C 700-500 lapse rate: 6.07 C/km ThetaE index: 14.39 C Layer 925.0- 400.0 mb Conv cond level (CCL): 909.77 mb = 951.16 m = 3120.55 ft Mean mixing ratio: 17.66 g/kg Conv temperature: 30.31 C = 86.55 F Cap Strength: 1.42 C Lifted Index: -3.58 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.50 C Lifted Index @700 mb: -0.49 C Showalter Index: -1.85 C Risk: Thunderstorms probable Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 21.70 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 209.60 Risk: None Energy Index: -1.57 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 810.01 J/kg Max Up Vert Vel: 40.25 m/s Conv Inhibition (B-): 54.43 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 942.61 mb = 641.28 m = 2103.92 ft Lev Free Conv (LFC): 737.61 mb = 2746.22 m = 9009.79 ft Wind level data Storm motion: 110 at 11 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 1012 9 160 4 -1.4 3.8 | 270 9 8.8 -0.1 1 1000 122 160 5 -1.7 4.7 | 264 9 8.5 0.9 2 925 807 245 11 10.0 4.6 | 268 20 20.2 0.8 3 850 1541 305 2 1.6 -1.1 | 293 13 11.8 -5.0 4 700 3191 85 23 -22.9 -2.0 | 65 14 -12.7 -5.8 5 500 5910 65 16 -14.5 -6.8 | 22 11 -4.3 -10.6 6 400 7640 75 25 -24.1 -6.5 | 54 17 -13.9 -10.3 7 300 9760 55 23 -18.8 -13.2 | 27 19 -8.6 -17.0 8 250 11030 100 8 -7.9 1.4 | 316 3 2.3 -2.4 9 200 12510 55 2 -1.6 -1.1 | 300 10 8.6 -5.0 Wind Parameters Mean winds (0-6000m): 80.5 at 14.5 knts Storm direction: 110.5 at 10.9 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 129.4 deg Storm rel helicity (0-3000m) pos: 183.7 neg: -6.4 tot: 177.3 m^2/s^2 ave: 59.1 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 6.7 10^-3/s Energy-Hel index: 0.40 Bulk Rich Number: 20.67 Bulk Shear: 39.18 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 ------------------------------------------------------------------------------- 500 185 6 258 11| 6.6 0.0 6.6| 1.2 -6.4 -5.2 -10.4 -0.30| 7.7 -2.3 1000 227 8 264 16| 5.2 0.0 5.2| 36.5 -6.4 30.1 30.1 0.27| 9.3 2.5 1500 235 7 269 16| 2.1 0.0 2.1| 55.9 -6.4 49.5 33.0 0.36| 8.7 3.2 2000 249 7 275 16| 3.1 0.0 3.1| 78.1 -6.4 71.7 35.9 0.46| 8.2 3.8 2500 290 7 290 18| 3.6 0.0 3.6|125.3 -6.4 118.9 47.6 0.59| 8.7 5.2 3000 78 9 348 6| 3.6 0.0 3.6|183.7 -6.4 177.3 59.1 0.69| 9.8 6.7 4000 90 12 28 4| 2.8 0.2 3.0|206.8 -16.6 190.2 47.6 0.64| 8.5 5.5 5000 84 14 34 6| 2.2 0.6 2.8|206.8 -28.0 178.8 35.8 0.56| 7.2 4.0 6000 80 15 34 7| 1.9 0.7 2.5|208.2 -37.3 171.0 28.5 0.50| 6.3 3.1 Wrote GIF file: /home/apache/climate/data/raob//FKKD/skewt/FKKD.skewt.20250417.00.gif