UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101700.upa.cvt Date: 0000Z 17 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 17 OCT 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 9.0 6.2 83 2.8 7.6 100 9 281.3 282.3 280.2 297.5 5.88 1 1000 189 11.2 7.8 80 3.4 9.3 105 13 284.4 285.5 282.5 302.8 6.64 2 925 839 11.6 1.6 50 10.0 6.6 95 13 291.2 292.0 283.2 304.6 4.64 3 850 1541 9.2 -8.8 27 18.0 1.9 100 13 295.8 296.2 282.5 302.8 2.31 4 700 3132 1.8 -18.2 21 20.0 -4.8 110 11 304.5 304.7 284.8 308.7 1.30 5 500 5750 -15.7 -32.7 22 17.0 -18.9 100 21 313.9 314.0 287.3 315.6 0.49 6 400 7390 -28.7 -46.7 16 18.0 -30.3 95 27 317.7 317.7 288.2 318.2 0.14 7 300 9380 -44.3 -57.3 22 13.0 -44.7 85 9 322.9 322.9 289.7 323.1 0.06 8 250 10570 -54.1 -63.1 32 9.0 -54.3 330 7 325.6 325.6 290.5 325.8 0.03 9 200 11970 -63.1 -68.1 51 5.0 -63.1 290 9 332.8 332.8 292.5 332.9 0.02 10 192 12222 -64.3 -69.2 51 4.9 -64.3 275 11 334.8 334.8 293.0 334.9 0.02 11 150 13750 -60.9 -80.9 5 20.0 -61.1 305 9 365.2 365.2 299.7 365.2 0.00 12 100 16260 -62.1 -91.1 1 29.0 -62.3 305 13 407.7 407.7 306.2 407.7 0.00 TRP 192 12222 -64.3 -69.2 51 4.9 -64.3 275 11 334.8 334.8 293.0 334.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5561.00 m Freezing level: 679.43 mb = 3401.28 m = 11158.92 ft Wetbulb zero: 807.45 mb = 1961.82 m = 6436.34 ft Precipitable water: 0.50 inches Sfc-500 mean rel hum: 29.94 % Est. max temperature: 22.85 C = 73.14 F Sfc-Lift cond lev (LCL): 968.80 mb = 453.27 m = 1487.10 ft T: 11.36 C 700-500 lapse rate: 6.68 C/km ThetaE index: 1.81 C Layer 850.0- 700.0 mb Conv cond level (CCL): 669.82 mb = 3474.86 m = 11400.31 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 33.58 C = 92.44 F Cap Strength: 9.28 C Lifted Index: 10.88 C Risk: None Lifted Index @300 mb: 13.92 C Lifted Index @700 mb: 9.28 C Showalter Index: 11.35 C Risk: None Total Totals Index: 31.80 C Risk: None Vertical Totals Index: 24.90 C Cross Totals Index: 6.90 C K Index: -3.90 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 2.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.61 J/kg Max Up Vert Vel: 5.76 m/s Conv Inhibition (B-): 11638.53 J/kg Cap Strength: 10.79 C Lift Cond Lev (LCL): 866.51 mb = 1381.33 m = 4531.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 132 at 11 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 103 100 9 -8.9 1.6 | 8 6 -0.8 -5.8 1 1000 189 105 13 -12.6 3.4 | 48 6 -4.5 -4.0 2 925 839 95 13 -13.0 1.1 | 38 8 -4.9 -6.2 3 850 1541 100 13 -12.8 2.3 | 43 7 -4.7 -5.1 4 700 3132 110 11 -10.3 3.8 | 32 4 -2.3 -3.6 5 500 5750 100 21 -20.7 3.6 | 74 13 -12.6 -3.7 6 400 7390 95 27 -26.9 2.4 | 75 19 -18.8 -5.0 7 300 9380 85 9 -9.0 -0.8 | 6 8 -0.9 -8.2 8 250 10570 330 7 3.5 -6.1 | 319 18 11.6 -13.4 9 200 11970 290 9 8.5 -3.1 | 302 20 16.5 -10.4 10 192 12222 275 11 11.0 -1.0 | 294 21 19.0 -8.3 11 150 13750 305 9 7.4 -5.2 | 309 20 15.4 -12.5 12 100 16260 305 13 10.6 -7.5 | 308 24 18.7 -14.8 Wind Parameters Mean winds (0-6000m): 102.4 at 14.6 knts Storm direction: 132.4 at 10.9 knts Shear (0-3000m) pos: 0.6 neg: 0.7 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 24.7 deg Storm rel helicity (0-3000m) pos: 7.1 neg: -3.4 tot: 3.7 m^2/s^2 ave: 1.2 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 1.7 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 33.46 Bulk Shear: 0.50 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 ------------------------------------------------------------------------------- 500 102 13 42 6| 0.0 4.1 4.1| 6.1 -1.3 4.7 9.5 0.61| 5.7 3.5 1000 99 13 41 7| 0.0 2.1 2.1| 6.4 -2.1 4.3 4.3 0.48| 3.4 1.6 1500 99 13 41 7| 0.3 1.4 1.7| 7.1 -2.1 5.0 3.3 0.48| 2.6 1.2 2000 100 13 41 7| 0.4 1.0 1.5| 7.1 -2.4 4.7 2.3 0.40| 2.2 0.9 2500 101 13 41 7| 0.5 0.8 1.3| 7.1 -2.9 4.2 1.7 0.33| 1.9 0.6 3000 102 12 40 6| 0.6 0.7 1.3| 7.1 -3.4 3.7 1.2 0.26| 1.7 0.5 4000 103 13 42 6| 0.4 1.0 1.4| 10.8 -3.4 7.4 1.9 0.38| 1.8 0.7 5000 103 13 49 7| 0.3 1.2 1.6| 14.0 -3.4 10.6 2.1 0.37| 1.8 0.7 6000 102 15 55 7| 0.3 1.3 1.6| 16.0 -3.4 12.6 2.1 0.33| 1.9 0.6 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251017.00.gif