UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080512.upa.cvt Date: 1200Z 5 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 5 AUG 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 1018 103 18.0 8.0 52 10.0 12.3 325 13 289.7 290.8 284.7 308.5 6.62 1 1000 244 15.4 9.4 67 6.0 12.0 330 13 288.5 289.9 285.1 309.4 7.41 2 925 900 9.4 8.2 92 1.2 8.8 335 13 288.9 290.2 285.2 309.8 7.39 3 850 1596 10.2 -10.8 22 21.0 1.9 330 17 296.8 297.2 282.5 302.9 1.97 4 700 3184 3.0 -33.0 5 36.0 -5.6 305 27 305.8 305.9 284.2 307.0 0.34 5 500 5840 -9.3 -34.3 11 25.0 -14.6 295 52 321.7 321.8 289.8 323.2 0.42 6 400 7520 -21.5 -51.5 5 30.0 -24.7 295 58 327.0 327.1 291.0 327.4 0.08 7 300 9560 -39.1 -56.1 15 17.0 -39.9 280 62 330.3 330.3 291.9 330.5 0.06 8 250 10780 -48.9 -62.9 18 14.0 -49.3 260 64 333.4 333.4 292.7 333.5 0.03 9 208 11970 -54.2 -66.4 21 12.2 -54.4 260 87 343.1 343.1 295.1 343.2 0.02 10 203 12125 -54.9 -66.9 21 12.0 -55.1 265 83 344.4 344.4 295.4 344.5 0.02 11 200 12220 -54.9 -68.9 16 14.0 -55.1 270 83 345.8 345.8 295.7 345.9 0.02 12 150 14060 -55.7 -86.7 1 31.0 -56.1 270 60 374.1 374.1 301.3 374.1 0.00 13 100 16620 -56.9 -86.9 1 30.0 -57.3 265 29 417.8 417.8 307.4 417.8 0.00 TRP 203 12125 -54.9 -66.9 21 12.0 -55.1 265 83 344.4 344.4 295.4 344.5 0.02 WND 208 11970 -54.2 -66.4 21 12.2 -54.4 260 87 343.1 343.1 295.1 343.2 0.02 Sounding variables and indices 1000-500 mb thick: 5596.00 m Freezing level: 651.22 mb = 3831.81 m = 12571.39 ft Wetbulb zero: 812.10 mb = 1969.02 m = 6459.96 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 24.47 % Est. max temperature: 23.21 C = 73.78 F Sfc-Lift cond lev (LCL): 876.77 mb = 1340.73 m = 4398.66 ft T: 9.91 C 700-500 lapse rate: 4.63 C/km ThetaE index: 6.90 C Layer 850.0- 700.0 mb Conv cond level (CCL): 731.35 mb = 2825.69 m = 9270.52 ft Mean mixing ratio: 7.31 g/kg Conv temperature: 32.18 C = 89.92 F Cap Strength: 7.37 C Lifted Index: 13.36 C Risk: None Lifted Index @300 mb: 14.96 C Lifted Index @700 mb: 7.37 C Showalter Index: 17.66 C Risk: None Total Totals Index: 18.00 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: -1.50 C K Index: -27.30 Risk: None Sweat Index: 86.00 Risk: None Energy Index: 4.29 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.35 J/kg Max Up Vert Vel: 2.17 m/s Conv Inhibition (B-): 12444.82 J/kg Cap Strength: 13.05 C Lift Cond Lev (LCL): 907.15 mb = 1060.38 m = 3478.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 335 at 22 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 1018 103 325 13 7.5 -10.6 | 169 9 -1.8 9.3 1 1000 244 330 13 6.5 -11.3 | 162 9 -2.8 8.7 2 925 900 335 13 5.5 -11.8 | 155 9 -3.8 8.1 3 850 1596 330 17 8.5 -14.7 | 172 5 -0.8 5.2 4 700 3184 305 27 22.1 -15.5 | 251 14 12.9 4.4 5 500 5840 295 52 47.1 -22.0 | 273 38 37.9 -2.1 6 400 7520 295 58 52.6 -24.5 | 276 44 43.3 -4.6 7 300 9560 280 62 61.1 -10.8 | 260 53 51.8 9.1 8 250 10780 260 64 63.0 11.1 | 240 62 53.8 31.0 9 208 11970 260 87 85.7 15.1 | 245 84 76.4 35.0 10 203 12125 265 83 82.7 7.2 | 250 78 73.4 27.1 11 200 12220 270 83 83.0 -0.0 | 255 76 73.7 19.9 12 150 14060 270 60 60.0 -0.0 | 249 55 50.7 19.9 13 100 16620 265 29 28.9 2.5 | 221 30 19.6 22.4 Wind Parameters Mean winds (0-6000m): 305.1 at 29.3 knts Storm direction: 335.1 at 22.0 knts Shear (0-3000m) pos: 0.4 neg: 2.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 81.7 deg Storm rel helicity (0-3000m) pos: 16.2 neg: -5.3 tot: 10.9 m^2/s^2 ave: 3.6 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 44.59 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 ------------------------------------------------------------------------------- 500 330 13 162 9| 1.8 0.0 1.8| 0.0 -4.1 -4.1 -8.2 -0.96| 1.8 -1.7 1000 332 13 159 9| 1.2 0.0 1.2| 0.8 -5.3 -4.5 -4.5 -0.52| 1.8 -0.9 1500 332 14 161 8| 0.8 1.0 1.8| 3.5 -5.3 -1.8 -1.2 -0.04| 2.2 -0.1 2000 330 15 166 7| 0.6 1.8 2.4| 8.4 -5.3 3.1 1.5 0.34| 2.7 0.9 2500 327 16 178 6| 0.5 2.3 2.8| 13.1 -5.3 7.8 3.1 0.43| 3.1 1.3 3000 322 18 197 6| 0.4 2.6 3.0| 16.2 -5.3 10.9 3.6 0.39| 3.4 1.3 4000 315 21 228 7| 0.3 3.2 3.5| 36.4 -5.3 31.2 7.8 0.42| 3.8 1.6 5000 310 25 248 11| 0.2 3.6 3.8| 52.2 -5.3 46.9 9.4 0.37| 4.0 1.5 6000 305 29 258 15| 0.2 3.7 3.9| 61.3 -5.3 56.0 9.3 0.33| 4.0 1.3 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250805.12.gif