UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051100.upa.cvt Date: 0000Z 11 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 11 MAY 25 Station: LFBD WMO ident: 7510 Latitude: 44.83 Longitude: -0.70 Elevation: 61.00 ------------------------------------------------------------------------------- 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 1005 61 13.6 13.1 97 0.5 13.3 140 11 286.3 288.0 286.2 312.6 9.46 1 1000 89 13.4 13.2 99 0.2 13.3 140 11 286.5 288.2 286.4 313.1 9.57 2 925 746 11.8 7.6 75 4.2 9.5 195 25 291.4 292.6 285.9 311.6 7.09 3 850 1448 7.0 3.3 77 3.7 5.1 200 19 293.5 294.5 285.3 310.0 5.71 4 700 3016 -2.3 -7.3 69 5.0 -4.3 185 21 299.9 300.5 285.1 309.6 3.15 5 500 5590 -20.7 -23.8 76 3.1 -21.4 195 31 307.8 308.0 285.8 311.5 1.12 6 400 7210 -31.9 -48.9 17 17.0 -33.1 170 42 313.5 313.6 286.7 313.9 0.11 7 300 9170 -48.1 -60.1 24 12.0 -48.4 170 46 317.6 317.6 288.0 317.7 0.04 8 253 10274 -55.9 -64.9 32 9.0 -56.1 180 46 321.9 321.9 289.3 322.0 0.02 9 250 10350 -55.7 -64.7 32 9.0 -55.8 185 46 323.3 323.3 289.8 323.4 0.03 10 200 11770 -52.9 -72.9 7 20.0 -53.2 205 29 349.0 349.0 296.4 349.0 0.01 11 150 13630 -52.3 -84.3 1 32.0 -52.8 225 33 380.0 380.0 302.2 380.0 0.00 12 100 16240 -53.3 -85.3 1 32.0 -53.9 240 19 424.7 424.7 308.3 424.8 0.00 TRP 253 10274 -55.9 -64.9 32 9.0 -56.1 180 46 321.9 321.9 289.3 322.0 0.02 WND Sounding variables and indices 1000-500 mb thick: 5501.00 m Freezing level: 737.10 mb = 2628.21 m = 8622.65 ft Wetbulb zero: 769.06 mb = 2256.16 m = 7401.99 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 74.80 % Est. max temperature: 20.60 C = 69.09 F Sfc-Lift cond lev (LCL): 997.65 mb = 108.86 m = 357.16 ft T: 13.35 C 700-500 lapse rate: 7.15 C/km ThetaE index: 3.57 C Layer 925.0- 500.0 mb Conv cond level (CCL): 876.07 mb = 1197.16 m = 3927.64 ft Mean mixing ratio: 8.09 g/kg Conv temperature: 20.00 C = 68.00 F Cap Strength: 2.05 C Lifted Index: 0.20 C Risk: Showers probable Lifted Index @300 mb: 4.03 C Lifted Index @700 mb: 0.73 C Showalter Index: 1.60 C Risk: Showers probable Total Totals Index: 51.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.70 C Cross Totals Index: 24.00 C K Index: 26.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 162.60 Risk: None Energy Index: 0.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.26 J/kg Max Up Vert Vel: 5.15 m/s Conv Inhibition (B-): 9965.33 J/kg Cap Strength: 2.05 C Lift Cond Lev (LCL): 920.18 mb = 789.33 m = 2589.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 221 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 1005 61 140 11 -7.1 8.4 | 75 19 -18.7 -5.0 1 1000 89 140 11 -7.1 8.4 | 75 19 -18.7 -5.0 2 925 746 195 25 6.5 24.1 | 155 12 -5.1 10.8 3 850 1448 200 19 6.5 17.9 | 131 7 -5.1 4.5 4 700 3016 185 21 1.8 20.9 | 128 12 -9.8 7.5 5 500 5590 195 31 8.0 29.9 | 168 17 -3.6 16.6 6 400 7210 170 42 -7.3 41.4 | 146 34 -18.9 28.0 7 300 9170 170 46 -8.0 45.3 | 148 37 -19.6 31.9 8 253 10274 180 46 0.0 46.0 | 160 35 -11.6 32.6 9 250 10350 185 46 4.0 45.8 | 167 33 -7.6 32.4 10 200 11770 205 29 12.3 26.3 | 183 13 0.7 12.9 11 150 13630 225 33 23.3 23.3 | 230 15 11.7 9.9 12 100 16240 240 19 16.5 9.5 | 309 6 4.9 -3.9 Wind Parameters Mean winds (0-6000m): 190.9 at 23.6 knts Storm direction: 220.9 at 17.7 knts Shear (0-3000m) pos: 2.8 neg: 0.9 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 53.4 deg Storm rel helicity (0-3000m) pos: 86.2 neg: -9.7 tot: 76.6 m^2/s^2 ave: 25.5 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.71 Bulk Shear: 18.55 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 ------------------------------------------------------------------------------- 500 165 16 96 16| 14.8 0.0 14.8| 62.3 0.0 62.3 124.7 0.93| 15.4 14.4 1000 185 19 121 12| 9.7 0.0 9.7| 85.8 -3.3 82.5 82.5 0.79| 12.9 10.2 1500 190 20 126 10| 5.6 0.0 5.6| 85.8 -8.0 77.8 51.9 0.61| 9.9 6.0 2000 191 20 128 10| 4.2 0.4 4.7| 85.8 -8.2 77.6 38.8 0.57| 7.9 4.5 2500 192 20 128 10| 3.4 0.7 4.1| 85.8 -8.8 77.0 30.8 0.53| 6.7 3.5 3000 191 20 128 10| 2.8 0.9 3.7| 86.2 -9.7 76.6 25.5 0.50| 5.9 2.9 4000 190 21 131 11| 2.6 0.7 3.3| 99.9 -9.7 90.2 22.6 0.55| 4.9 2.7 5000 190 22 137 11| 2.5 0.5 3.1|114.6 -9.7 104.9 21.0 0.58| 4.4 2.6 6000 191 24 144 12| 2.3 0.9 3.2|122.5 -20.6 101.9 17.0 0.49| 4.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250511.00.gif