UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 29 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 24.2 9.2 39 15.0 15.2 110 13 296.7 298.0 288.1 317.8 7.25 1 1000 168 21.6 9.6 46 12.0 14.4 110 13 294.8 296.1 287.6 316.5 7.52 2 925 835 15.0 9.0 67 6.0 11.5 125 15 294.6 296.0 287.8 317.2 7.81 3 850 1544 9.8 1.8 57 8.0 5.7 125 25 296.4 297.3 285.9 311.5 5.13 4 700 3125 0.2 -15.8 29 16.0 -5.2 115 17 302.7 303.0 284.5 307.8 1.59 5 500 5740 -14.7 -51.7 3 37.0 -19.0 105 31 315.1 315.1 287.2 315.4 0.06 6 400 7380 -29.3 -49.3 13 20.0 -30.9 85 21 316.9 316.9 287.9 317.3 0.11 7 300 9360 -44.9 -62.9 12 18.0 -45.4 100 9 322.1 322.1 289.4 322.2 0.03 8 250 10560 -54.1 -63.1 32 9.0 -54.3 100 7 325.6 325.6 290.5 325.8 0.03 9 200 11950 -63.1 -69.1 44 6.0 -63.1 75 5 332.8 332.8 292.5 332.9 0.02 10 183 12492 -66.7 -72.7 42 6.0 -66.7 330 1 335.5 335.5 293.2 335.6 0.01 11 150 13720 -58.5 -75.5 9 17.0 -58.7 265 15 369.3 369.3 300.4 369.3 0.01 12 100 16260 -60.5 -89.5 1 29.0 -60.8 285 15 410.8 410.8 306.6 410.8 0.00 TRP 183 12492 -66.7 -72.7 42 6.0 -66.7 330 1 335.5 335.5 293.2 335.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5572.00 m Freezing level: 697.32 mb = 3160.10 m = 10367.66 ft Wetbulb zero: 771.71 mb = 2330.81 m = 7646.91 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 33.84 % Est. max temperature: 23.75 C = 74.74 F Sfc-Lift cond lev (LCL): 807.88 mb = 1957.84 m = 6423.29 ft T: 7.29 C 700-500 lapse rate: 5.70 C/km ThetaE index: 9.42 C Layer 850.0- 500.0 mb Conv cond level (CCL): 792.87 mb = 2110.55 m = 6924.30 ft Mean mixing ratio: 7.61 g/kg Conv temperature: 26.23 C = 79.21 F Cap Strength: 1.95 C Lifted Index: 3.50 C Risk: None Lifted Index @300 mb: 4.12 C Lifted Index @700 mb: 1.15 C Showalter Index: 6.67 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 24.50 C Cross Totals Index: 16.50 C K Index: 10.30 Risk: None Sweat Index: 102.60 Risk: None Energy Index: 0.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.27 J/kg Max Up Vert Vel: 2.13 m/s Conv Inhibition (B-): 6501.81 J/kg Cap Strength: 3.33 C Lift Cond Lev (LCL): 838.70 mb = 1653.00 m = 5423.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 143 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 1008 103 110 13 -12.2 4.4 | 15 9 -2.4 -8.8 1 1000 168 110 13 -12.2 4.4 | 15 9 -2.4 -8.8 2 925 835 125 15 -12.3 8.6 | 28 5 -2.5 -4.6 3 850 1544 125 25 -20.5 14.3 | 96 11 -10.7 1.1 4 700 3125 115 17 -15.4 7.2 | 43 8 -5.6 -6.1 5 500 5740 105 31 -29.9 8.0 | 75 21 -20.1 -5.2 6 400 7380 85 21 -20.9 -1.8 | 36 19 -11.1 -15.1 7 300 9360 100 9 -8.9 1.6 | 355 12 0.9 -11.7 8 250 10560 100 7 -6.9 1.2 | 346 12 2.9 -12.0 9 200 11950 75 5 -4.8 -1.3 | 341 15 5.0 -14.5 10 183 12492 330 1 0.5 -0.9 | 324 17 10.3 -14.1 11 150 13720 265 15 14.9 1.3 | 296 27 24.7 -11.9 12 100 16260 285 15 14.5 -3.9 | 305 30 24.3 -17.1 Wind Parameters Mean winds (0-6000m): 113.5 at 22.0 knts Storm direction: 143.5 at 16.5 knts Shear (0-3000m) pos: 1.2 neg: 0.6 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 28.3 deg Storm rel helicity (0-3000m) pos: 16.1 neg: -18.8 tot: -2.6 m^2/s^2 ave: -0.9 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 0.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.24 Bulk Shear: 9.34 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 ------------------------------------------------------------------------------- 500 114 14 18 8| 2.7 0.0 2.7| 2.2 0.0 2.2 4.5 0.40| 2.7 1.1 1000 120 15 27 7| 3.6 0.0 3.6| 8.3 0.0 8.3 8.3 0.67| 4.0 2.7 1500 122 17 49 6| 2.4 2.0 4.5| 16.1 0.0 16.1 10.8 0.65| 4.7 3.1 2000 122 19 62 7| 1.8 0.9 2.7| 16.1 -6.6 9.6 4.8 0.39| 4.3 1.7 2500 122 19 65 7| 1.5 0.5 2.0| 16.1 -12.8 3.4 1.3 0.20| 4.0 0.8 3000 121 19 63 7| 1.2 0.6 1.8| 16.1 -18.8 -2.6 -0.9 0.05| 3.8 0.2 4000 119 19 61 8| 0.9 0.8 1.7| 25.5 -18.8 6.8 1.7 0.17| 3.5 0.6 5000 116 20 64 9| 0.7 1.2 1.9| 33.6 -18.8 14.9 3.0 0.21| 3.4 0.7 6000 113 22 67 11| 0.6 1.2 1.8| 37.1 -35.5 1.6 0.3 0.11| 3.4 0.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250429.12.gif