UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025081112.upa.cvt Date: 1200Z 11 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 11 AUG 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 24.2 14.2 54 10.0 17.7 5 3 296.8 298.6 290.6 326.2 10.15 1 1000 153 22.4 18.1 77 4.3 19.5 40 3 295.5 297.9 292.6 333.4 13.18 2 925 832 22.6 9.6 44 13.0 14.6 145 21 302.4 303.9 290.7 326.6 8.13 3 850 1565 19.8 -4.2 19 24.0 7.9 120 11 306.9 307.5 287.8 317.2 3.29 4 700 3205 9.0 3.0 66 6.0 5.6 170 27 312.5 313.7 292.7 333.6 6.80 5 500 5890 -10.9 -11.8 93 0.9 -11.2 210 35 319.7 320.4 291.7 330.0 3.10 6 400 7570 -21.7 -37.7 22 16.0 -24.2 220 27 326.8 326.9 291.2 328.2 0.37 7 300 9620 -38.1 -51.1 24 13.0 -38.9 205 33 331.7 331.7 292.3 332.1 0.12 8 250 10840 -47.3 -59.3 24 12.0 -47.7 220 48 335.7 335.8 293.3 336.0 0.05 9 202 12236 -53.3 -70.3 11 17.0 -53.6 215 44 347.4 347.4 296.1 347.4 0.01 10 200 12300 -52.7 -69.7 11 17.0 -53.0 215 42 349.3 349.3 296.5 349.4 0.02 11 150 14160 -54.7 -85.7 1 31.0 -55.1 225 23 375.8 375.8 301.6 375.8 0.00 12 100 16710 -31.9 -70.9 1 39.0 -36.4 85 35 466.1 466.1 312.3 466.2 0.03 TRP 202 12236 -53.3 -70.3 11 17.0 -53.6 215 44 347.4 347.4 296.1 347.4 0.01 WND Sounding variables and indices 1000-500 mb thick: 5737.00 m Freezing level: 609.55 mb = 4419.32 m = 14498.91 ft Wetbulb zero: 633.56 mb = 4000.76 m = 13125.69 ft Precipitable water: 1.30 inches Sfc-500 mean rel hum: 61.21 % Est. max temperature: 33.91 C = 93.05 F Sfc-Lift cond lev (LCL): 869.38 mb = 1369.60 m = 4493.38 ft T: 20.55 C 700-500 lapse rate: 7.41 C/km ThetaE index: 16.23 C Layer 925.0- 700.0 mb Conv cond level (CCL): 694.43 mb = 3268.71 m = 10723.98 ft Mean mixing ratio: 10.11 g/kg Conv temperature: 40.12 C = 104.21 F Cap Strength: 7.49 C Lifted Index: 0.74 C Risk: Showers probable Lifted Index @300 mb: 2.72 C Lifted Index @700 mb: 5.00 C Showalter Index: 7.07 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 30.70 C Cross Totals Index: 6.70 C K Index: 20.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 57.00 Risk: None Energy Index: 2.61 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.77 J/kg Max Up Vert Vel: 6.13 m/s Conv Inhibition (B-): 7927.18 J/kg Cap Strength: 7.49 C Lift Cond Lev (LCL): 834.56 mb = 1719.83 m = 5642.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 18 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 5 3 -0.3 -3.0 | 26 21 -9.0 -18.6 1 1000 153 40 3 -1.9 -2.3 | 31 21 -10.6 -17.9 2 925 832 145 21 -12.0 17.2 | 94 21 -20.7 1.6 3 850 1565 120 11 -9.5 5.5 | 61 21 -18.2 -10.1 4 700 3205 170 27 -4.7 26.6 | 129 17 -13.4 11.0 5 500 5890 210 35 17.5 30.3 | 211 17 8.8 14.7 6 400 7570 220 27 17.4 20.7 | 240 10 8.7 5.0 7 300 9620 205 33 13.9 29.9 | 200 15 5.2 14.3 8 250 10840 220 48 30.9 36.8 | 226 31 22.2 21.1 9 202 12236 215 44 25.2 36.0 | 219 26 16.5 20.4 10 200 12300 215 42 24.1 34.4 | 219 24 15.4 18.8 11 150 14160 225 23 16.3 16.3 | 265 8 7.6 0.6 12 100 16710 85 35 -34.9 -3.1 | 67 47 -43.6 -18.7 Wind Parameters Mean winds (0-6000m): 179.1 at 23.9 knts Storm direction: 209.1 at 17.9 knts Shear (0-3000m) pos: 6.1 neg: 1.2 tot: 7.3 10-3/s Storm rel Dir Shear (0-3000m): 97.9 deg Storm rel helicity (0-3000m) pos: 277.0 neg: -58.2 tot: 218.8 m^2/s^2 ave: 72.9 10^-3 m/s^2 rel: 0.61 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 6.4 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.24 Bulk Shear: 77.18 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 97 8 49 22| 16.4 0.0 16.4|106.0 0.0 106.0 212.0 0.93| 18.4 17.0 1000 138 13 72 19| 10.0 0.0 10.0|170.7 -19.5 151.2 151.2 0.71| 17.0 12.1 1500 136 14 72 19| 6.7 2.4 9.0|170.7 -58.2 112.5 75.0 0.42| 13.7 5.7 2000 134 14 72 19| 6.4 1.8 8.2|203.9 -58.2 145.7 72.8 0.49| 11.9 5.8 2500 138 15 76 19| 6.3 1.4 7.7|239.5 -58.2 181.2 72.5 0.56| 10.9 6.1 3000 146 16 83 18| 6.1 1.2 7.3|277.0 -58.2 218.8 72.9 0.61| 10.5 6.4 4000 158 19 97 16| 5.0 0.9 5.9|315.0 -58.2 256.8 64.2 0.66| 9.0 5.9 5000 169 22 113 14| 4.3 0.7 5.0|349.9 -58.2 291.7 58.3 0.70| 8.1 5.6 6000 179 24 132 12| 3.6 0.6 4.2|383.7 -58.2 325.5 54.3 0.72| 7.5 5.4 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250811.12.gif