UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051012.upa.cvt Date: 1200Z 10 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 10 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 21.4 13.4 60 8.0 16.4 145 7 294.1 295.9 289.3 321.8 9.65 1 1000 93 19.4 11.4 60 8.0 14.6 145 7 292.5 294.1 287.7 316.8 8.49 2 925 757 14.0 6.0 58 8.0 9.6 110 11 293.6 294.8 286.0 312.0 6.34 3 850 1463 9.0 2.0 61 7.0 5.4 155 21 295.6 296.5 285.6 310.8 5.20 4 700 3035 -3.3 -6.1 81 2.8 -4.4 185 23 298.8 299.5 285.1 309.3 3.46 5 500 5610 -20.7 -28.7 49 8.0 -22.2 195 27 307.8 307.9 285.4 310.2 0.72 6 400 7220 -33.3 -37.4 67 4.1 -33.7 205 38 311.7 311.8 286.4 313.1 0.38 7 300 9170 -50.3 -55.1 57 4.8 -50.4 200 50 314.5 314.5 287.0 314.7 0.07 8 279 9636 -53.1 -58.0 55 4.9 -53.2 210 60 316.9 317.0 287.8 317.2 0.05 9 251 10305 -57.3 -62.3 53 5.0 -57.4 220 52 320.5 320.5 288.9 320.7 0.03 10 250 10330 -56.9 -62.9 47 6.0 -57.0 220 50 321.5 321.5 289.2 321.6 0.03 11 200 11760 -53.7 -78.7 3 25.0 -54.0 215 23 347.7 347.7 296.1 347.7 0.00 12 150 13620 -53.1 -85.1 1 32.0 -53.5 225 23 378.6 378.6 302.0 378.6 0.00 13 100 16220 -54.9 -85.9 1 31.0 -55.5 225 19 421.7 421.7 307.9 421.7 0.00 TRP 251 10305 -57.3 -62.3 53 5.0 -57.4 220 52 320.5 320.5 288.9 320.7 0.03 WND 279 9636 -53.1 -58.0 55 4.9 -53.2 210 60 316.9 317.0 287.8 317.2 0.05 Sounding variables and indices 1000-500 mb thick: 5517.00 m Freezing level: 740.24 mb = 2613.24 m = 8573.53 ft Wetbulb zero: 767.56 mb = 2289.05 m = 7509.93 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 65.34 % Est. max temperature: 22.71 C = 72.88 F Sfc-Lift cond lev (LCL): 892.95 mb = 1051.39 m = 3449.41 ft T: 11.92 C 700-500 lapse rate: 6.76 C/km ThetaE index: 12.51 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 810.30 mb = 1850.25 m = 6070.29 ft Mean mixing ratio: 7.24 g/kg Conv temperature: 23.70 C = 74.65 F Cap Strength: 2.24 C Lifted Index: -0.92 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.57 C Lifted Index @700 mb: -1.15 C Showalter Index: 1.08 C Risk: Showers probable Total Totals Index: 52.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.70 C Cross Totals Index: 22.70 C K Index: 28.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 161.00 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 185.58 J/kg Max Up Vert Vel: 19.27 m/s Conv Inhibition (B-): 70.54 J/kg Cap Strength: 2.24 C Lift Cond Lev (LCL): 848.33 mb = 1478.91 m = 4852.00 ft Lev Free Conv (LFC): 743.33 mb = 2548.70 m = 8361.79 ft Equ Level (EL): 353.33 mb = 8060.90 m = 26446.20 ft B at Equ Level: 185.05 J/kg Max Parcel Lev (MPL): 243.33 mb = 10503.26 m = 34459.09 ft Wind level data Storm motion: 210 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 1005 61 145 7 -4.0 5.7 | 55 15 -12.1 -8.4 1 1000 93 145 7 -4.0 5.7 | 55 15 -12.1 -8.4 2 925 757 110 11 -10.3 3.8 | 61 21 -18.4 -10.4 3 850 1463 155 21 -8.9 19.0 | 106 18 -16.9 4.9 4 700 3035 185 23 2.0 22.9 | 145 11 -6.1 8.8 5 500 5610 195 27 7.0 26.1 | 175 12 -1.1 11.9 6 400 7220 205 38 16.1 34.4 | 201 22 8.0 20.3 7 300 9170 200 50 17.1 47.0 | 195 34 9.0 32.8 8 279 9636 210 60 30.0 52.0 | 210 44 21.9 37.8 9 251 10305 220 52 33.4 39.8 | 225 36 25.4 25.7 10 250 10330 220 50 32.1 38.3 | 225 34 24.1 24.2 11 200 11760 215 23 13.2 18.8 | 228 7 5.1 4.7 12 150 13620 225 23 16.3 16.3 | 256 8 8.2 2.1 13 100 16220 225 19 13.4 13.4 | 278 5 5.4 -0.7 Wind Parameters Mean winds (0-6000m): 179.7 at 21.7 knts Storm direction: 209.7 at 16.3 knts Shear (0-3000m) pos: 3.6 neg: 0.8 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 90.4 deg Storm rel helicity (0-3000m) pos: 123.1 neg: -0.4 tot: 122.8 m^2/s^2 ave: 40.9 10^-3 m/s^2 rel: 0.77 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 4.6 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 4.67 Bulk Shear: 39.70 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 ------------------------------------------------------------------------------- 500 132 8 59 17| 0.0 4.7 4.7| 6.9 0.0 6.9 13.9 0.35| 4.7 1.7 1000 123 10 63 19| 3.0 2.3 5.3| 40.3 -0.4 40.0 40.0 0.59| 6.6 3.9 1500 137 13 75 18| 5.0 1.6 6.5| 90.9 -0.4 90.5 60.3 0.75| 8.1 6.1 2000 146 15 84 17| 4.3 1.2 5.4|102.9 -0.4 102.5 51.3 0.76| 7.0 5.3 2500 153 17 92 16| 3.8 0.9 4.8|113.7 -0.4 113.3 45.3 0.76| 6.4 4.8 3000 160 18 99 14| 3.6 0.8 4.4|123.1 -0.4 122.8 40.9 0.77| 5.9 4.6 4000 168 19 111 13| 2.9 0.6 3.5|129.5 -0.4 129.1 32.3 0.78| 4.7 3.7 5000 175 20 122 12| 2.6 0.5 3.0|136.2 -0.4 135.8 27.2 0.79| 4.0 3.2 6000 180 22 133 11| 2.5 0.4 2.9|147.8 -0.4 147.4 24.6 0.79| 3.8 3.0 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250510.12.gif