UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101312.upa.cvt Date: 1200Z 13 OCT 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 13 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 1013 103 15.4 8.4 63 7.0 11.4 75 11 287.5 288.7 284.1 306.7 6.83 1 1000 203 14.8 9.8 72 5.0 11.9 70 13 288.0 289.3 285.1 309.4 7.62 2 925 860 16.4 7.4 55 9.0 11.2 100 21 296.1 297.3 287.6 316.5 6.99 3 850 1574 12.0 4.0 58 8.0 7.6 115 17 298.7 299.8 287.6 316.5 6.00 4 700 3169 3.6 -20.4 15 24.0 -4.1 90 17 306.5 306.7 285.3 310.0 1.08 5 500 5800 -16.5 -22.5 60 6.0 -18.0 95 17 312.9 313.2 287.8 317.1 1.26 6 400 7450 -26.1 -47.1 12 21.0 -28.2 85 29 321.1 321.1 289.2 321.6 0.14 7 300 9460 -43.3 -57.3 20 14.0 -43.8 65 25 324.3 324.3 290.2 324.6 0.06 8 250 10660 -52.7 -62.7 29 10.0 -52.9 65 25 327.7 327.7 291.1 327.9 0.03 9 200 12060 -61.9 -70.9 29 9.0 -62.0 40 27 334.7 334.7 293.0 334.8 0.01 10 187 12473 -63.9 -72.9 28 9.0 -64.0 50 23 338.0 338.0 293.9 338.0 0.01 11 150 13830 -61.9 -80.9 6 19.0 -62.0 20 9 363.4 363.4 299.4 363.5 0.00 12 100 16330 -64.1 -92.1 1 28.0 -64.3 30 7 403.9 403.9 305.7 403.9 0.00 TRP 187 12473 -63.9 -72.9 28 9.0 -64.0 50 23 338.0 338.0 293.9 338.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5597.00 m Freezing level: 664.18 mb = 3640.22 m = 11942.85 ft Wetbulb zero: 752.25 mb = 2577.65 m = 8456.74 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 43.00 % Est. max temperature: 26.20 C = 79.16 F Sfc-Lift cond lev (LCL): 912.01 mb = 979.38 m = 3213.16 ft T: 15.66 C 700-500 lapse rate: 7.64 C/km ThetaE index: 6.47 C Layer 700.0- 500.0 mb Conv cond level (CCL): 706.74 mb = 3090.30 m = 10138.65 ft Mean mixing ratio: 7.25 g/kg Conv temperature: 34.08 C = 93.34 F Cap Strength: 6.39 C Lifted Index: 4.11 C Risk: None Lifted Index @300 mb: 8.48 C Lifted Index @700 mb: 6.39 C Showalter Index: 1.88 C Risk: Showers probable Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 20.50 C K Index: 8.50 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 0.17 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.70 J/kg Max Up Vert Vel: 5.60 m/s Conv Inhibition (B-): 8915.38 J/kg Cap Strength: 6.35 C Lift Cond Lev (LCL): 864.14 mb = 1434.71 m = 4707.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 126 at 13 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 1013 103 75 11 -10.6 -2.8 | 1 10 -0.2 -10.5 1 1000 203 70 13 -12.2 -4.4 | 9 12 -1.8 -12.1 2 925 860 100 21 -20.7 3.6 | 69 11 -10.3 -4.0 3 850 1574 115 17 -15.4 7.2 | 85 5 -5.0 -0.4 4 700 3169 90 17 -17.0 0.0 | 41 10 -6.6 -7.6 5 500 5800 95 17 -16.9 1.5 | 47 9 -6.5 -6.1 6 400 7450 85 29 -28.9 -2.5 | 61 21 -18.5 -10.2 7 300 9460 65 25 -22.7 -10.6 | 34 22 -12.3 -18.2 8 250 10660 65 25 -22.7 -10.6 | 34 22 -12.3 -18.2 9 200 12060 40 27 -17.4 -20.7 | 14 29 -7.0 -28.3 10 187 12473 50 23 -17.6 -14.8 | 18 24 -7.2 -22.4 11 150 13830 20 9 -3.1 -8.5 | 336 18 7.3 -16.1 12 100 16330 30 7 -3.5 -6.1 | 333 15 6.9 -13.7 Wind Parameters Mean winds (0-6000m): 96.3 at 17.2 knts Storm direction: 126.3 at 12.9 knts Shear (0-3000m) pos: 1.9 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 40.8 deg Storm rel helicity (0-3000m) pos: 44.2 neg: -9.7 tot: 34.5 m^2/s^2 ave: 11.5 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.12 Bulk Shear: 3.81 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 79 15 21 11| 7.8 0.0 7.8| 25.2 0.0 25.2 50.3 0.90| 9.5 8.5 1000 91 17 43 10| 5.9 0.0 5.9| 41.9 0.0 41.9 41.9 0.87| 8.4 7.3 1500 98 18 53 9| 3.8 0.0 3.8| 44.2 0.0 44.2 29.5 0.76| 7.0 5.3 2000 101 17 57 8| 2.8 0.6 3.4| 44.2 -2.8 41.4 20.7 0.60| 5.8 3.5 2500 101 17 57 8| 2.3 1.0 3.2| 44.2 -6.0 38.2 15.3 0.48| 5.1 2.4 3000 100 17 55 8| 1.9 1.2 3.1| 44.2 -9.7 34.5 11.5 0.38| 4.7 1.8 4000 98 17 52 8| 1.5 0.9 2.3| 45.1 -10.2 34.9 8.7 0.37| 3.6 1.3 5000 97 17 50 9| 1.2 0.7 1.9| 46.0 -10.2 35.8 7.2 0.38| 2.9 1.1 6000 96 17 49 9| 1.0 0.7 1.7| 49.6 -10.2 39.4 6.6 0.39| 2.7 1.0 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251013.12.gif