UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051512.upa.cvt Date: 1200Z 15 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 15 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 1012 61 25.0 13.0 47 12.0 17.4 30 5 297.1 298.8 290.0 324.3 9.33 1 1000 150 22.8 9.8 44 13.0 15.0 35 7 296.0 297.3 288.1 318.1 7.62 2 925 820 15.8 9.8 67 6.0 12.2 40 9 295.5 296.9 288.5 319.3 8.24 3 850 1530 9.4 6.6 83 2.8 7.8 30 11 296.0 297.3 287.8 317.0 7.21 4 700 3105 -2.1 -8.1 63 6.0 -4.5 5 9 300.2 300.7 285.0 309.2 2.96 5 500 5690 -19.3 -37.3 19 18.0 -22.0 50 15 309.5 309.6 285.5 310.6 0.31 6 400 7300 -32.3 -46.3 24 14.0 -33.4 45 19 313.0 313.0 286.6 313.6 0.15 7 300 9260 -48.7 -58.7 30 10.0 -49.0 80 17 316.7 316.7 287.7 316.9 0.05 8 259 10213 -54.9 -63.9 32 9.0 -55.1 70 25 321.2 321.2 289.2 321.3 0.03 9 250 10440 -53.7 -64.7 25 11.0 -53.9 85 29 326.2 326.2 290.7 326.3 0.03 10 200 11870 -55.7 -76.7 6 21.0 -55.9 90 9 344.6 344.6 295.4 344.6 0.01 11 150 13710 -54.7 -85.7 1 31.0 -55.1 15 1 375.8 375.8 301.6 375.8 0.00 12 100 16290 -54.9 -85.9 1 31.0 -55.5 15 5 421.7 421.7 307.9 421.7 0.00 TRP 259 10213 -54.9 -63.9 32 9.0 -55.1 70 25 321.2 321.2 289.2 321.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5540.00 m Freezing level: 727.39 mb = 2817.39 m = 9243.30 ft Wetbulb zero: 754.76 mb = 2494.02 m = 8182.37 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 55.63 % Est. max temperature: 23.78 C = 74.80 F Sfc-Lift cond lev (LCL): 848.44 mb = 1544.88 m = 5068.43 ft T: 9.29 C 700-500 lapse rate: 6.65 C/km ThetaE index: 10.10 C Layer 850.0- 500.0 mb Conv cond level (CCL): 826.56 mb = 1756.82 m = 5763.77 ft Mean mixing ratio: 8.02 g/kg Conv temperature: 24.48 C = 76.06 F Cap Strength: 0.54 C Lifted Index: -2.39 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.20 C Lifted Index @700 mb: -2.12 C Showalter Index: -1.21 C Risk: Thunderstorms probable Total Totals Index: 54.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.70 C Cross Totals Index: 25.90 C K Index: 29.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 228.20 Risk: None Energy Index: -1.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 615.82 J/kg Max Up Vert Vel: 35.09 m/s Conv Inhibition (B-): 6.54 J/kg Cap Strength: 1.36 C Lift Cond Lev (LCL): 836.76 mb = 1657.33 m = 5437.38 ft Lev Free Conv (LFC): 801.76 mb = 2003.94 m = 6574.54 ft Equ Level (EL): 281.76 mb = 9666.83 m = 31714.94 ft B at Equ Level: 615.38 J/kg Max Parcel Lev (MPL): 201.76 mb = 11813.80 m = 38758.72 ft Wind level data Storm motion: 62 at 8 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 61 30 5 -2.5 -4.3 | 275 5 4.8 -0.4 1 1000 150 35 7 -4.0 -5.7 | 300 4 3.2 -1.9 2 925 820 40 9 -5.8 -6.9 | 334 3 1.5 -3.0 3 850 1530 30 11 -5.5 -9.5 | 343 6 1.8 -5.6 4 700 3105 5 9 -0.8 -9.0 | 308 8 6.5 -5.1 5 500 5690 50 15 -11.5 -9.6 | 36 7 -4.2 -5.8 6 400 7300 45 19 -13.4 -13.4 | 33 11 -6.2 -9.6 7 300 9260 80 17 -16.7 -3.0 | 96 10 -9.5 0.9 8 259 10213 70 25 -23.5 -8.6 | 74 17 -16.2 -4.7 9 250 10440 85 29 -28.9 -2.5 | 94 22 -21.6 1.4 10 200 11870 90 9 -9.0 0.0 | 156 4 -1.7 3.9 11 150 13710 15 1 -0.3 -1.0 | 247 8 7.0 2.9 12 100 16290 15 5 -1.3 -4.8 | 279 6 6.0 -0.9 Wind Parameters Mean winds (0-6000m): 31.8 at 11.0 knts Storm direction: 61.8 at 8.2 knts Shear (0-3000m) pos: 0.6 neg: 0.8 tot: 1.4 10-3/s Storm rel Dir Shear (0-3000m): 33.5 deg Storm rel helicity (0-3000m) pos: 4.5 neg: -7.5 tot: -3.0 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 2.0 stream: 0.1 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 333.33 Bulk Shear: 1.85 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 36 7 304 4| 3.4 0.0 3.4| 3.1 0.0 3.1 6.2 0.90| 3.5 3.1 1000 38 8 318 3| 1.7 0.8 2.5| 4.2 0.0 4.2 4.2 0.84| 2.6 2.2 1500 36 9 328 4| 1.1 1.1 2.2| 4.5 -0.1 4.4 2.9 0.64| 2.4 1.5 2000 33 9 331 5| 0.9 0.9 1.7| 4.5 -2.5 2.0 1.0 0.35| 2.2 0.8 2500 30 9 329 5| 0.7 0.8 1.5| 4.5 -5.0 -0.4 -0.2 0.17| 2.1 0.3 3000 27 9 327 5| 0.6 0.8 1.4| 4.5 -7.5 -3.0 -1.0 0.04| 2.0 0.1 4000 23 10 325 6| 0.9 0.6 1.5| 11.5 -7.5 4.0 1.0 0.26| 1.9 0.5 5000 26 10 332 6| 1.1 0.5 1.6| 19.5 -7.5 12.0 2.4 0.42| 2.0 0.8 6000 32 11 345 6| 1.2 0.4 1.6| 25.1 -7.7 17.4 2.9 0.48| 2.0 1.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250515.12.gif