UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 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 1008 103 16.0 9.0 63 7.0 12.0 105 9 288.5 289.7 284.8 308.7 7.16 1 1000 162 17.8 11.8 68 6.0 14.1 110 13 291.0 292.5 287.3 315.7 8.72 2 925 831 16.2 8.2 59 8.0 11.5 125 21 295.9 297.2 287.9 317.4 7.39 3 850 1542 10.2 2.2 58 8.0 6.1 130 21 296.8 297.8 286.2 312.4 5.28 4 700 3123 -0.9 -10.9 47 10.0 -4.7 120 17 301.5 301.9 284.9 308.9 2.38 5 500 5730 -17.5 -44.5 8 27.0 -20.9 105 19 311.7 311.7 286.1 312.2 0.15 6 400 7360 -29.7 -58.7 4 29.0 -31.4 100 33 316.4 316.4 287.6 316.5 0.03 7 300 9350 -43.7 -65.7 7 22.0 -44.3 75 23 323.8 323.8 289.9 323.8 0.02 8 250 10540 -53.9 -66.9 19 13.0 -54.1 70 25 325.9 325.9 290.6 326.0 0.02 9 200 11940 -63.3 -71.3 33 8.0 -63.4 65 19 332.5 332.5 292.4 332.6 0.01 10 198 12002 -63.7 -71.7 33 8.0 -63.8 60 19 332.8 332.8 292.5 332.9 0.01 11 150 13730 -59.9 -82.9 3 23.0 -60.1 55 1 366.9 366.9 300.0 366.9 0.00 12 100 16270 -60.5 -89.5 1 29.0 -60.8 235 7 410.8 410.8 306.6 410.8 0.00 TRP 198 12002 -63.7 -71.7 33 8.0 -63.8 60 19 332.8 332.8 292.5 332.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5568.00 m Freezing level: 712.16 mb = 2994.81 m = 9825.37 ft Wetbulb zero: 765.30 mb = 2396.78 m = 7863.35 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 42.25 % Est. max temperature: 24.26 C = 75.67 F Sfc-Lift cond lev (LCL): 907.67 mb = 990.04 m = 3248.14 ft T: 14.86 C 700-500 lapse rate: 6.37 C/km ThetaE index: 8.49 C Layer 850.0- 500.0 mb Conv cond level (CCL): 805.03 mb = 1984.63 m = 6511.17 ft Mean mixing ratio: 7.88 g/kg Conv temperature: 25.71 C = 78.27 F Cap Strength: 2.98 C Lifted Index: 1.00 C Risk: Showers probable Lifted Index @300 mb: 5.70 C Lifted Index @700 mb: 0.31 C Showalter Index: 3.34 C Risk: None Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 19.70 C K Index: 19.90 Risk: < 20 % chance of thunderstorms Sweat Index: 87.40 Risk: None Energy Index: 0.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.24 J/kg Max Up Vert Vel: 4.95 m/s Conv Inhibition (B-): 7640.53 J/kg Cap Strength: 2.98 C Lift Cond Lev (LCL): 860.37 mb = 1440.04 m = 4724.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 148 at 14 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 1008 103 105 9 -8.7 2.3 | 8 10 -1.3 -9.5 1 1000 162 110 13 -12.2 4.4 | 33 9 -4.8 -7.3 2 925 831 125 21 -17.2 12.0 | 92 10 -9.8 0.3 3 850 1542 130 21 -16.1 13.5 | 101 9 -8.7 1.7 4 700 3123 120 17 -14.7 8.5 | 66 8 -7.3 -3.3 5 500 5730 105 19 -18.4 4.9 | 58 13 -10.9 -6.9 6 400 7360 100 33 -32.5 5.7 | 76 26 -25.1 -6.1 7 300 9350 75 23 -22.2 -6.0 | 40 23 -14.8 -17.7 8 250 10540 70 25 -23.5 -8.6 | 38 26 -16.1 -20.3 9 200 11940 65 19 -17.2 -8.0 | 26 22 -9.8 -19.8 10 198 12002 60 19 -16.5 -9.5 | 23 23 -9.0 -21.3 11 150 13730 55 1 -0.8 -0.6 | 332 14 6.6 -12.4 12 100 16270 235 7 5.7 4.0 | 301 15 13.2 -7.8 Wind Parameters Mean winds (0-6000m): 117.8 at 18.6 knts Storm direction: 147.8 at 13.9 knts Shear (0-3000m) pos: 2.3 neg: 0.8 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 58.6 deg Storm rel helicity (0-3000m) pos: 34.0 neg: -10.8 tot: 23.2 m^2/s^2 ave: 7.7 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 6.89 Bulk Shear: 1.78 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 ------------------------------------------------------------------------------- 500 115 15 49 8| 10.1 0.0 10.1| 22.8 0.0 22.8 45.6 0.99| 10.4 10.3 1000 121 18 71 8| 6.7 0.0 6.7| 31.8 0.0 31.8 31.8 0.98| 7.2 7.0 1500 124 19 81 8| 4.5 0.0 4.5| 34.0 -0.3 33.7 22.5 0.95| 5.2 5.0 2000 125 19 84 8| 3.4 0.4 3.8| 34.0 -3.9 30.0 15.0 0.76| 4.3 3.3 2500 125 19 84 8| 2.7 0.7 3.4| 34.0 -7.4 26.5 10.6 0.61| 3.8 2.3 3000 125 19 83 8| 2.3 0.8 3.1| 34.0 -10.8 23.2 7.7 0.48| 3.4 1.6 4000 123 19 78 8| 1.7 0.8 2.5| 34.0 -12.0 22.0 5.5 0.41| 2.8 1.2 5000 121 18 74 9| 1.4 0.8 2.1| 34.0 -13.6 20.3 4.1 0.36| 2.5 0.9 6000 118 19 71 10| 1.1 0.8 2.0| 40.9 -15.0 25.9 4.3 0.35| 2.4 0.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250430.00.gif