UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 28 APR 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 103 20.4 6.4 40 14.0 12.6 130 9 292.6 293.6 285.2 309.7 5.96 1 1000 200 17.6 8.6 56 9.0 12.4 130 11 290.8 292.0 285.6 310.8 7.02 2 925 859 11.6 4.6 62 7.0 7.9 130 13 291.2 292.2 284.4 307.7 5.75 3 850 1558 6.6 -6.4 39 13.0 1.2 125 15 293.1 293.6 281.9 301.4 2.78 4 700 3134 0.6 -32.4 6 33.0 -7.0 155 13 303.1 303.2 283.1 304.4 0.36 5 500 5740 -17.1 -38.1 14 21.0 -20.3 145 11 312.2 312.2 286.5 313.2 0.29 6 400 7370 -30.3 -45.3 22 15.0 -31.6 170 9 315.6 315.6 287.5 316.2 0.17 7 300 9360 -45.9 -50.5 60 4.6 -46.1 305 5 320.7 320.7 289.1 321.1 0.12 8 250 10550 -53.9 -61.9 37 8.0 -54.1 315 9 325.9 325.9 290.6 326.1 0.04 9 200 11940 -63.9 -69.9 44 6.0 -64.0 315 19 331.6 331.6 292.2 331.6 0.02 10 190 12253 -65.9 -70.8 50 4.9 -66.0 295 21 333.3 333.3 292.6 333.3 0.01 11 150 13700 -62.1 -80.1 7 18.0 -62.3 260 21 363.1 363.1 299.3 363.1 0.00 12 100 16230 -59.3 -89.3 1 30.0 -59.6 255 5 413.2 413.2 306.9 413.2 0.00 TRP 190 12253 -65.9 -70.8 50 4.9 -66.0 295 21 333.3 333.3 292.6 333.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5540.00 m Freezing level: 693.22 mb = 3222.34 m = 10571.85 ft Wetbulb zero: 828.21 mb = 1768.80 m = 5803.08 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 24.53 % Est. max temperature: 20.60 C = 69.08 F Sfc-Lift cond lev (LCL): 821.62 mb = 1833.65 m = 6015.84 ft T: 5.55 C 700-500 lapse rate: 6.79 C/km ThetaE index: 9.40 C Layer 925.0- 700.0 mb Conv cond level (CCL): 754.20 mb = 2528.65 m = 8296.00 ft Mean mixing ratio: 6.27 g/kg Conv temperature: 27.12 C = 80.82 F Cap Strength: 5.21 C Lifted Index: 5.82 C Risk: None Lifted Index @300 mb: 8.46 C Lifted Index @700 mb: 5.21 C Showalter Index: 10.92 C Risk: None Total Totals Index: 34.40 C Risk: None Vertical Totals Index: 23.70 C Cross Totals Index: 10.70 C K Index: -15.70 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 2.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.92 J/kg Max Up Vert Vel: 2.42 m/s Conv Inhibition (B-): 8639.05 J/kg Cap Strength: 5.71 C Lift Cond Lev (LCL): 848.54 mb = 1571.93 m = 5157.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 172 at 9 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 103 130 9 -6.9 5.8 | 57 7 -5.6 -3.6 1 1000 200 130 11 -8.4 7.1 | 72 7 -7.1 -2.3 2 925 859 130 13 -10.0 8.4 | 83 9 -8.6 -1.0 3 850 1558 125 15 -12.3 8.6 | 86 11 -10.9 -0.8 4 700 3134 155 13 -5.5 11.8 | 120 5 -4.2 2.4 5 500 5740 145 11 -6.3 9.0 | 86 5 -5.0 -0.4 6 400 7370 170 9 -1.6 8.9 | 23 1 -0.2 -0.5 7 300 9360 305 5 4.1 -2.9 | 336 13 5.4 -12.2 8 250 10550 315 9 6.4 -6.4 | 334 18 7.7 -15.7 9 200 11940 315 19 13.4 -13.4 | 327 27 14.8 -22.8 10 190 12253 295 21 19.0 -8.9 | 312 27 20.4 -18.3 11 150 13700 260 21 20.7 3.6 | 285 23 22.0 -5.7 12 100 16230 255 5 4.8 1.3 | 323 10 6.2 -8.1 Wind Parameters Mean winds (0-6000m): 141.9 at 12.6 knts Storm direction: 171.9 at 9.5 knts Shear (0-3000m) pos: 1.2 neg: 1.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 61.9 deg Storm rel helicity (0-3000m) pos: 16.9 neg: 0.0 tot: 16.9 m^2/s^2 ave: 5.6 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 2.3 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.79 Bulk Shear: 1.05 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 ------------------------------------------------------------------------------- 500 130 11 74 8| 0.0 3.3 3.3| 5.4 0.0 5.4 10.8 0.87| 3.3 2.9 1000 130 12 78 8| 0.0 2.4 2.4| 7.2 0.0 7.2 7.2 0.75| 2.5 1.9 1500 128 13 81 9| 0.0 2.1 2.1| 8.2 0.0 8.2 5.5 0.63| 2.2 1.4 2000 129 13 84 9| 0.6 1.5 2.2| 12.0 0.0 12.0 6.0 0.62| 2.3 1.4 2500 131 13 87 9| 1.0 1.2 2.2| 14.8 0.0 14.8 5.9 0.61| 2.3 1.4 3000 134 13 90 8| 1.2 1.0 2.3| 16.9 0.0 16.9 5.6 0.61| 2.3 1.4 4000 138 13 94 7| 0.9 0.7 1.7| 16.9 -1.3 15.7 3.9 0.49| 1.9 0.9 5000 141 13 95 7| 0.7 0.6 1.3| 16.9 -2.7 14.3 2.9 0.38| 1.6 0.6 6000 142 13 95 6| 0.7 0.5 1.2| 17.0 -3.5 13.5 2.3 0.31| 1.5 0.5 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250428.12.gif