UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080900.upa.cvt Date: 0000Z 9 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 9 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 1011 103 12.8 9.1 78 3.7 10.7 25 7 285.1 286.3 283.4 305.0 7.18 1 1000 188 15.8 11.9 78 3.9 13.4 30 7 289.0 290.5 286.6 313.6 8.78 2 925 845 11.2 8.7 85 2.5 9.7 285 5 290.8 292.1 286.2 312.5 7.65 3 850 1553 13.0 -13.0 15 26.0 2.9 225 9 299.8 300.1 283.4 304.9 1.65 4 700 3167 6.6 -7.4 36 14.0 0.3 255 29 309.8 310.4 288.6 319.7 3.13 5 500 5840 -8.3 -12.4 72 4.1 -9.9 260 48 322.9 323.5 292.4 332.8 2.95 6 400 7540 -20.3 -21.4 91 1.1 -20.6 255 42 328.6 329.0 293.0 334.7 1.73 7 300 9610 -35.3 -38.5 72 3.2 -35.7 250 52 335.6 335.7 293.7 337.4 0.46 8 250 10850 -45.1 -46.5 86 1.4 -45.2 260 54 339.0 339.1 294.3 339.9 0.23 9 200 12300 -55.9 -61.9 47 6.0 -56.1 275 52 344.2 344.3 295.4 344.4 0.05 10 175 13142 -61.9 -66.9 51 5.0 -62.0 285 60 347.8 347.8 296.1 347.9 0.03 11 163 13584 -61.9 -69.2 37 7.3 -62.0 295 62 354.9 354.9 297.7 355.0 0.02 12 150 14100 -61.9 -71.9 25 10.0 -62.0 275 36 363.4 363.4 299.4 363.5 0.02 13 100 16620 -58.9 -80.9 4 22.0 -59.2 275 31 413.9 413.9 307.0 414.0 0.01 TRP 175 13142 -61.9 -66.9 51 5.0 -62.0 285 60 347.8 347.8 296.1 347.9 0.03 WND 163 13584 -61.9 -69.2 37 7.3 -62.0 295 62 354.9 354.9 297.7 355.0 0.02 Sounding variables and indices 1000-500 mb thick: 5652.00 m Freezing level: 611.41 mb = 4351.01 m = 14274.80 ft Wetbulb zero: 693.90 mb = 3236.53 m = 10618.41 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 49.08 % Est. max temperature: 26.16 C = 79.09 F Sfc-Lift cond lev (LCL): 956.19 mb = 565.57 m = 1855.53 ft T: 13.16 C 700-500 lapse rate: 5.57 C/km ThetaE index: 8.68 C Layer 925.0- 700.0 mb Conv cond level (CCL): 668.95 mb = 3527.49 m = 11572.99 ft Mean mixing ratio: 7.98 g/kg Conv temperature: 39.41 C = 102.94 F Cap Strength: 9.57 C Lifted Index: 12.54 C Risk: None Lifted Index @300 mb: 16.77 C Lifted Index @700 mb: 9.57 C Showalter Index: 17.29 C Risk: None Total Totals Index: 16.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: -4.70 C K Index: -5.70 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 5.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.14 J/kg Max Up Vert Vel: 4.04 m/s Conv Inhibition (B-): 12301.58 J/kg Cap Strength: 12.48 C Lift Cond Lev (LCL): 911.93 mb = 964.19 m = 3163.30 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 287 at 20 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 1011 103 25 7 -3.0 -6.3 | 88 22 -21.8 -0.6 1 1000 188 30 7 -3.5 -6.1 | 89 22 -22.3 -0.3 2 925 845 285 5 4.8 -1.3 | 108 15 -14.0 4.5 3 850 1553 225 9 6.4 6.4 | 134 17 -12.4 12.1 4 700 3167 255 29 28.0 7.5 | 215 16 9.2 13.3 5 500 5840 260 48 47.3 8.3 | 244 32 28.5 14.1 6 400 7540 255 42 40.6 10.9 | 233 27 21.8 16.6 7 300 9610 250 52 48.9 17.8 | 232 38 30.1 23.5 8 250 10850 260 54 53.2 9.4 | 246 38 34.4 15.1 9 200 12300 275 52 51.8 -4.5 | 268 33 33.0 1.2 10 175 13142 285 60 58.0 -15.5 | 284 40 39.2 -9.8 11 163 13584 295 62 56.2 -26.2 | 299 43 37.4 -20.5 12 150 14100 275 36 35.9 -3.1 | 261 17 17.1 2.6 13 100 16620 275 31 30.9 -2.7 | 256 12 12.1 3.1 Wind Parameters Mean winds (0-6000m): 257.0 at 26.2 knts Storm direction: 287.0 at 19.7 knts Shear (0-3000m) pos: 3.5 neg: 2.8 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 122.9 deg Storm rel helicity (0-3000m) pos: 138.4 neg: -2.2 tot: 136.1 m^2/s^2 ave: 45.4 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 7.0 stream: 5.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 111.47 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 7 6 88 20| 0.0 6.8 6.8| 9.3 -2.2 7.1 14.1 0.22| 7.7 1.7 1000 333 6 91 16| 0.0 6.1 6.1| 32.3 -2.2 30.0 30.0 0.56| 7.1 3.9 1500 281 7 110 13| 0.0 5.6 5.6| 52.1 -2.2 49.9 33.3 0.63| 6.8 4.3 2000 253 8 126 14| 1.7 4.2 5.9| 80.0 -2.2 77.8 38.9 0.72| 6.8 4.9 2500 248 10 136 13| 2.7 3.4 6.1|108.2 -2.2 106.0 42.4 0.78| 6.8 5.3 3000 252 13 146 12| 3.5 2.8 6.3|138.4 -2.2 136.1 45.4 0.82| 7.0 5.7 4000 254 17 169 11| 3.6 2.1 5.7|164.5 -2.2 162.2 40.6 0.80| 6.2 5.0 5000 256 22 192 11| 3.6 1.7 5.3|190.1 -2.2 187.9 37.6 0.77| 5.7 4.4 6000 257 26 210 13| 3.3 1.5 4.8|209.8 -8.5 201.3 33.6 0.72| 5.3 3.8 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250809.00.gif