UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051400.upa.cvt Date: 0000Z 14 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 14 MAY 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1010 61 14.8 13.5 92 1.3 14.0 20 9 287.1 288.8 286.8 314.0 9.67 1 1000 133 15.6 11.6 77 4.0 13.2 25 9 288.8 290.3 286.4 312.9 8.60 2 925 795 13.8 5.8 58 8.0 9.4 130 7 293.4 294.5 285.9 311.5 6.26 3 850 1500 7.8 4.3 78 3.5 5.9 160 13 294.3 295.4 286.1 312.1 6.13 4 700 3067 -3.9 -5.7 87 1.8 -4.7 220 13 298.2 298.8 284.9 308.9 3.57 5 500 5630 -20.7 -36.7 22 16.0 -22.9 240 15 307.8 307.9 284.9 309.0 0.33 6 400 7240 -33.7 -42.7 40 9.0 -34.4 250 21 311.2 311.2 286.0 312.0 0.22 7 300 9190 -49.1 -53.2 62 4.1 -49.3 235 21 316.1 316.2 287.6 316.5 0.09 8 250 10360 -58.1 -62.2 59 4.1 -58.2 240 29 319.7 319.7 288.7 319.8 0.04 9 242 10564 -59.1 -62.1 68 3.0 -59.2 245 27 321.2 321.2 289.2 321.3 0.04 10 200 11780 -51.3 -76.3 4 25.0 -51.7 230 11 351.5 351.5 297.0 351.6 0.01 11 150 13630 -54.3 -85.3 1 31.0 -54.7 220 19 376.5 376.5 301.7 376.5 0.00 12 100 16220 -54.5 -85.5 1 31.0 -55.1 220 9 422.4 422.4 308.0 422.4 0.00 TRP 242 10564 -59.1 -62.1 68 3.0 -59.2 245 27 321.2 321.2 289.2 321.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5497.00 m Freezing level: 750.00 mb = 2544.67 m = 8348.54 ft Wetbulb zero: 766.02 mb = 2339.60 m = 7675.78 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 66.08 % Est. max temperature: 21.89 C = 71.40 F Sfc-Lift cond lev (LCL): 990.76 mb = 211.79 m = 694.84 ft T: 15.39 C 700-500 lapse rate: 6.55 C/km ThetaE index: 3.21 C Layer 700.0- 500.0 mb Conv cond level (CCL): 835.06 mb = 1643.13 m = 5390.79 ft Mean mixing ratio: 7.41 g/kg Conv temperature: 22.38 C = 72.28 F Cap Strength: 2.71 C Lifted Index: 0.20 C Risk: Showers probable Lifted Index @300 mb: 3.03 C Lifted Index @700 mb: -0.87 C Showalter Index: 0.29 C Risk: Thunderstorms probable Total Totals Index: 53.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 25.00 C K Index: 31.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 182.60 Risk: None Energy Index: -0.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 77.64 J/kg Max Up Vert Vel: 12.46 m/s Conv Inhibition (B-): 88.44 J/kg Cap Strength: 2.71 C Lift Cond Lev (LCL): 879.21 mb = 1218.33 m = 3997.10 ft Lev Free Conv (LFC): 744.21 mb = 2572.76 m = 8440.70 ft Equ Level (EL): 504.21 mb = 5566.18 m = 18261.53 ft B at Equ Level: 76.92 J/kg Max Parcel Lev (MPL): 344.21 mb = 8258.26 m = 27093.69 ft Wind level data Storm motion: 243 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 1010 61 20 9 -3.1 -8.5 | 42 17 -11.6 -12.8 1 1000 133 25 9 -3.8 -8.2 | 45 18 -12.3 -12.5 2 925 795 130 7 -5.4 4.5 | 91 14 -13.9 0.2 3 850 1500 160 13 -4.4 12.2 | 121 15 -13.0 7.9 4 700 3067 220 13 8.4 10.0 | 178 6 -0.2 5.7 5 500 5630 240 15 13.0 7.5 | 234 5 4.5 3.2 6 400 7240 250 21 19.7 7.2 | 256 12 11.2 2.9 7 300 9190 235 21 17.2 12.0 | 228 12 8.7 7.7 8 250 10360 240 29 25.1 14.5 | 238 19 16.6 10.2 9 242 10564 245 27 24.5 11.4 | 246 17 15.9 7.1 10 200 11780 230 11 8.4 7.1 | 178 3 -0.1 2.8 11 150 13630 220 19 12.2 14.6 | 200 11 3.7 10.3 12 100 16220 220 9 5.8 6.9 | 133 4 -2.8 2.6 Wind Parameters Mean winds (0-6000m): 213.3 at 12.7 knts Storm direction: 243.3 at 9.6 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 135.5 deg Storm rel helicity (0-3000m) pos: 122.3 neg: 0.0 tot: 122.3 m^2/s^2 ave: 40.8 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 5.5 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 1.33 Bulk Shear: 58.40 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 49 8 57 18| 10.3 0.0 10.3| 48.7 0.0 48.7 97.5 0.98| 11.0 10.8 1000 86 8 74 17| 8.2 0.0 8.2| 74.8 0.0 74.8 74.8 0.94| 9.3 8.8 1500 124 9 93 16| 7.2 0.0 7.2| 96.8 0.0 96.8 64.6 0.95| 8.2 7.8 2000 144 10 105 15| 5.6 0.0 5.6|108.3 0.0 108.3 54.1 0.92| 7.2 6.6 2500 159 11 115 14| 4.5 0.0 4.5|116.5 0.0 116.5 46.6 0.89| 6.7 5.9 3000 171 11 123 12| 3.7 0.0 3.7|122.3 0.0 122.3 40.8 0.87| 6.3 5.5 4000 190 12 138 10| 2.8 0.0 2.8|125.1 0.0 125.1 31.3 0.87| 5.0 4.4 5000 203 12 152 8| 2.3 0.0 2.3|127.9 0.0 127.9 25.6 0.88| 4.2 3.7 6000 213 13 166 7| 2.1 0.0 2.1|131.0 0.0 131.0 21.8 0.86| 3.8 3.3 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250514.00.gif