UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 30 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 1007 103 26.6 8.6 32 18.0 15.8 120 9 299.2 300.4 288.6 319.7 6.97 1 850 1537 11.0 2.0 54 9.0 6.3 130 25 297.7 298.6 286.4 313.1 5.20 2 700 3119 -1.3 -7.3 64 6.0 -3.8 130 23 301.0 301.6 285.6 310.7 3.15 3 500 5720 -18.1 -41.1 11 23.0 -21.2 125 21 311.0 311.0 285.9 311.7 0.21 4 400 7340 -31.5 -51.5 12 20.0 -32.9 120 31 314.0 314.1 286.9 314.4 0.08 5 300 9320 -44.7 -66.7 7 22.0 -45.3 100 42 322.4 322.4 289.5 322.4 0.02 6 250 10510 -53.9 -67.9 16 14.0 -54.1 95 38 325.9 325.9 290.6 326.0 0.02 7 200 11920 -60.9 -73.9 16 13.0 -61.0 100 13 336.3 336.3 293.4 336.4 0.01 8 182 12503 -63.9 -74.9 21 11.0 -64.0 70 17 340.6 340.6 294.5 340.7 0.01 9 150 13710 -57.1 -87.1 1 30.0 -57.4 190 3 371.7 371.7 300.9 371.7 0.00 10 100 16270 -59.9 -88.9 1 29.0 -60.2 85 0 412.0 412.0 306.7 412.0 0.00 TRP 182 12503 -63.9 -74.9 21 11.0 -64.0 70 17 340.6 340.6 294.5 340.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5557.98 m Freezing level: 715.85 mb = 2951.80 m = 9684.26 ft Wetbulb zero: 756.07 mb = 2491.20 m = 8173.14 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 44.71 % Est. max temperature: 25.21 C = 77.37 F Sfc-Lift cond lev (LCL): 772.93 mb = 2311.50 m = 7583.59 ft T: 4.98 C 700-500 lapse rate: 6.46 C/km ThetaE index: 9.03 C Layer 850.0- 500.0 mb Conv cond level (CCL): 752.00 mb = 2535.12 m = 8317.22 ft Mean mixing ratio: 6.44 g/kg Conv temperature: 27.31 C = 81.16 F Cap Strength: 0.84 C Lifted Index: -0.40 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.74 C Lifted Index @700 mb: -0.73 C Showalter Index: 2.33 C Risk: Showers probable Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 20.10 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 99.00 Risk: None Energy Index: -0.22 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 145.25 J/kg Max Up Vert Vel: 17.04 m/s Conv Inhibition (B-): 5.41 J/kg Cap Strength: 0.84 C Lift Cond Lev (LCL): 764.92 mb = 2396.38 m = 7862.04 ft Lev Free Conv (LFC): 729.92 mb = 2778.01 m = 9114.08 ft Equ Level (EL): 369.92 mb = 7878.14 m = 25846.59 ft B at Equ Level: 142.33 J/kg Max Parcel Lev (MPL): 289.92 mb = 9543.16 m = 31309.20 ft Wind level data Storm motion: 157 at 16 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 1007 103 120 9 -7.8 4.5 | 9 10 -1.6 -10.1 1 1000 155 125 9 -7.4 5.2 | 7 9 -1.1 -9.4 2 925 825 110 15 -14.1 5.1 | 40 12 -7.9 -9.4 3 850 1537 130 25 -19.2 16.1 | 97 13 -12.9 1.5 4 700 3119 130 23 -17.6 14.8 | 91 11 -11.4 0.2 5 500 5720 125 21 -17.2 12.0 | 77 11 -11.0 -2.5 6 400 7340 120 31 -26.8 15.5 | 93 21 -20.6 0.9 7 300 9320 100 42 -41.4 7.3 | 78 36 -35.1 -7.3 8 250 10510 95 38 -37.9 3.3 | 70 34 -31.6 -11.3 9 200 11920 100 13 -12.8 2.3 | 28 14 -6.6 -12.3 10 182 12503 70 17 -16.0 -5.8 | 26 23 -9.7 -20.4 11 150 13710 190 3 0.5 3.0 | 330 13 6.8 -11.6 12 100 16270 85 0 -0.0 -0.0 | 337 16 6.2 -14.6 Wind Parameters Mean winds (0-6000m): 126.8 at 21.1 knts Storm direction: 156.8 at 15.9 knts Shear (0-3000m) pos: 2.2 neg: 0.4 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 82.3 deg Storm rel helicity (0-3000m) pos: 53.9 neg: -3.6 tot: 50.3 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.8 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 9.85 Bulk Shear: 14.75 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 ------------------------------------------------------------------------------- 500 119 11 19 10| 0.0 4.2 4.2| 10.1 0.0 10.1 20.2 0.82| 4.9 4.0 1000 115 13 32 11| 3.1 2.1 5.2| 29.4 0.0 29.4 29.4 0.87| 5.9 5.2 1500 121 16 51 10| 4.4 1.4 5.8| 53.9 0.0 53.9 35.9 0.92| 6.6 6.0 2000 124 18 64 10| 3.3 0.9 4.2| 53.9 -1.2 52.7 26.4 0.87| 5.1 4.4 2500 125 19 71 10| 2.6 0.6 3.3| 53.9 -2.4 51.5 20.6 0.83| 4.2 3.5 3000 126 20 75 10| 2.2 0.4 2.6| 53.9 -3.6 50.3 16.8 0.78| 3.6 2.8 4000 127 21 79 11| 1.6 0.4 2.0| 53.9 -6.8 47.1 11.8 0.70| 2.8 2.0 5000 127 21 80 11| 1.3 0.3 1.7| 53.9 -10.0 43.9 8.8 0.62| 2.4 1.5 6000 127 21 80 11| 1.1 0.4 1.5| 58.1 -11.8 46.3 7.7 0.57| 2.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250430.12.gif