UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050900.upa.cvt Date: 0000Z 9 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 9 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 1008 61 13.0 8.0 72 5.0 10.3 60 9 285.5 286.7 283.1 304.1 6.68 1 1000 113 14.0 7.0 63 7.0 10.2 65 11 287.1 288.2 283.3 304.9 6.29 2 925 768 10.6 2.6 58 8.0 6.6 60 7 290.1 291.0 283.2 304.5 4.99 3 850 1465 5.0 0.0 70 5.0 2.7 45 5 291.4 292.2 283.2 304.4 4.50 4 700 3012 -7.3 -7.8 96 0.5 -7.5 290 3 294.4 294.9 282.8 303.5 3.03 5 500 5560 -22.1 -34.1 33 12.0 -23.9 280 11 306.1 306.2 284.4 307.6 0.43 6 400 7160 -34.9 -48.9 23 14.0 -35.8 255 17 309.6 309.7 285.3 310.0 0.11 7 300 9100 -50.3 -53.5 69 3.2 -50.4 270 31 314.5 314.5 287.0 314.8 0.09 8 256 10119 -55.7 -62.7 41 7.0 -55.8 280 25 321.1 321.1 289.1 321.2 0.03 9 250 10270 -55.1 -63.1 36 8.0 -55.2 275 23 324.1 324.2 290.0 324.3 0.03 10 200 11710 -50.7 -76.7 3 26.0 -51.1 250 15 352.5 352.5 297.2 352.5 0.01 11 150 13580 -52.3 -84.3 1 32.0 -52.8 250 13 380.0 380.0 302.2 380.0 0.00 12 100 16190 -54.9 -85.9 1 31.0 -55.5 270 19 421.7 421.7 307.9 421.7 0.00 TRP 256 10119 -55.7 -62.7 41 7.0 -55.8 280 25 321.1 321.1 289.1 321.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5447.00 m Freezing level: 789.02 mb = 2093.86 m = 6869.54 ft Wetbulb zero: 810.69 mb = 1842.28 m = 6044.15 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 69.13 % Est. max temperature: 18.77 C = 65.78 F Sfc-Lift cond lev (LCL): 934.81 mb = 679.37 m = 2228.87 ft T: 11.06 C 700-500 lapse rate: 5.81 C/km ThetaE index: 1.39 C Layer 925.0- 500.0 mb Conv cond level (CCL): 815.43 mb = 1795.83 m = 5891.77 ft Mean mixing ratio: 5.58 g/kg Conv temperature: 19.60 C = 67.27 F Cap Strength: 2.41 C Lifted Index: 3.69 C Risk: None Lifted Index @300 mb: 7.10 C Lifted Index @700 mb: -0.46 C Showalter Index: 3.84 C Risk: None Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.10 C Cross Totals Index: 22.10 C K Index: 26.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 25.00 Risk: None Energy Index: 0.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.07 J/kg Max Up Vert Vel: 5.11 m/s Conv Inhibition (B-): 95.30 J/kg Cap Strength: 3.49 C Lift Cond Lev (LCL): 856.09 mb = 1406.14 m = 4613.28 ft Lev Free Conv (LFC): 721.09 mb = 2775.48 m = 9105.78 ft Equ Level (EL): 661.09 mb = 3445.07 m = 11302.60 ft B at Equ Level: 12.79 J/kg Max Parcel Lev (MPL): 601.09 mb = 4165.58 m = 13666.44 ft Wind level data Storm motion: 341 at 5 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 1008 61 60 9 -7.8 -4.5 | 92 9 -9.4 0.3 1 1000 113 65 11 -10.0 -4.6 | 91 12 -11.6 0.2 2 925 768 60 7 -6.1 -3.5 | 100 8 -7.7 1.3 3 850 1465 45 5 -3.5 -3.5 | 104 5 -5.2 1.3 4 700 3012 290 3 2.8 -1.0 | 197 4 1.2 3.8 5 500 5560 280 11 10.8 -1.9 | 252 10 9.2 2.9 6 400 7160 255 17 16.4 4.4 | 238 17 14.8 9.2 7 300 9100 270 31 31.0 -0.0 | 261 30 29.4 4.8 8 256 10119 280 25 24.6 -4.3 | 269 23 23.0 0.5 9 250 10270 275 23 22.9 -2.0 | 262 21 21.3 2.8 10 200 11710 250 15 14.1 5.1 | 231 16 12.5 9.9 11 150 13580 250 13 12.2 4.4 | 229 14 10.6 9.3 12 100 16190 270 19 19.0 -0.0 | 254 18 17.4 4.8 Wind Parameters Mean winds (0-6000m): 311.4 at 6.8 knts Storm direction: 341.4 at 5.1 knts Shear (0-3000m) pos: 0.1 neg: 1.8 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 107.7 deg Storm rel helicity (0-3000m) pos: 5.3 neg: -0.9 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.52 Bulk Shear: 25.01 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 63 10 93 10| 0.8 0.0 0.8| 2.1 -0.4 1.7 3.4 0.15| 4.5 0.7 1000 62 8 95 9| 0.4 1.2 1.6| 3.4 -0.4 3.1 3.1 0.19| 3.5 0.7 1500 59 7 97 8| 0.3 1.5 1.7| 4.1 -0.6 3.4 2.3 0.17| 3.0 0.5 2000 53 7 96 7| 0.2 1.9 2.1| 4.3 -0.8 3.5 1.7 0.14| 3.0 0.4 2500 48 6 97 6| 0.2 1.9 2.1| 5.0 -0.8 4.2 1.7 0.26| 3.0 0.8 3000 46 6 99 6| 0.1 1.8 2.0| 5.3 -0.9 4.4 1.5 0.24| 2.8 0.7 4000 26 5 89 4| 0.1 1.7 1.8| 8.5 -0.9 7.6 1.9 0.34| 2.5 0.9 5000 345 6 6 1| 0.1 1.7 1.8| 11.3 -0.9 10.4 2.1 0.36| 2.4 0.9 6000 311 7 264 3| 0.1 1.8 1.8| 12.4 -2.8 9.6 1.6 0.30| 2.3 0.7 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250509.00.gif