UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050912.upa.cvt Date: 1200Z 9 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 9 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 1007 61 20.0 7.0 43 13.0 12.7 75 9 292.6 293.7 285.5 310.6 6.24 1 1000 107 17.8 4.8 42 13.0 10.8 70 9 291.0 291.9 284.0 306.5 5.39 2 925 765 11.4 3.4 58 8.0 7.3 90 7 291.0 291.9 283.8 306.2 5.28 3 850 1463 5.0 0.5 73 4.5 2.8 90 7 291.4 292.2 283.4 304.9 4.67 4 700 3014 -6.1 -11.1 68 5.0 -7.8 160 9 295.7 296.2 282.5 302.8 2.34 5 500 5570 -21.9 -26.2 68 4.3 -22.7 240 15 306.3 306.5 285.1 309.3 0.90 6 400 7170 -35.5 -38.9 71 3.4 -35.8 235 23 308.9 308.9 285.3 310.0 0.33 7 300 9100 -51.1 -59.1 38 8.0 -51.3 235 40 313.3 313.3 286.6 313.5 0.04 8 266 9880 -53.1 -68.1 15 15.0 -53.3 245 38 321.4 321.4 289.2 321.4 0.02 9 250 10280 -53.1 -66.1 19 13.0 -53.3 240 31 327.1 327.1 290.9 327.2 0.02 10 200 11720 -51.9 -76.9 3 25.0 -52.3 250 21 350.6 350.6 296.8 350.6 0.01 11 150 13590 -52.1 -84.1 1 32.0 -52.6 235 9 380.3 380.3 302.3 380.3 0.00 12 100 16190 -54.1 -85.1 1 31.0 -54.7 260 19 423.2 423.2 308.1 423.2 0.00 TRP 266 9880 -53.1 -68.1 15 15.0 -53.3 245 38 321.4 321.4 289.2 321.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5463.00 m Freezing level: 782.43 mb = 2161.65 m = 7091.94 ft Wetbulb zero: 810.16 mb = 1846.47 m = 6057.88 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 65.95 % Est. max temperature: 18.78 C = 65.81 F Sfc-Lift cond lev (LCL): 829.77 mb = 1655.39 m = 5431.02 ft T: 3.62 C 700-500 lapse rate: 6.18 C/km ThetaE index: 7.73 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 799.61 mb = 1951.20 m = 6401.48 ft Mean mixing ratio: 5.34 g/kg Conv temperature: 20.23 C = 68.42 F Cap Strength: 1.12 C Lifted Index: 2.75 C Risk: None Lifted Index @300 mb: 5.07 C Lifted Index @700 mb: -0.14 C Showalter Index: 3.69 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 22.40 C K Index: 22.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: 0.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.73 J/kg Max Up Vert Vel: 2.34 m/s Conv Inhibition (B-): 31.95 J/kg Cap Strength: 2.73 C Lift Cond Lev (LCL): 820.48 mb = 1745.40 m = 5726.30 ft Lev Free Conv (LFC): 715.48 mb = 2839.30 m = 9315.17 ft Equ Level (EL): 665.48 mb = 3398.20 m = 11148.82 ft B at Equ Level: 2.36 J/kg Max Parcel Lev (MPL): 635.48 mb = 3748.61 m = 12298.45 ft Wind level data Storm motion: 215 at 8 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 61 75 9 -8.7 -2.3 | 56 16 -13.1 -8.7 1 1000 107 70 9 -8.5 -3.1 | 54 16 -12.9 -9.5 2 925 765 90 7 -7.0 0.0 | 61 13 -11.4 -6.4 3 850 1463 90 7 -7.0 0.0 | 61 13 -11.4 -6.4 4 700 3014 160 9 -3.1 8.5 | 105 8 -7.5 2.1 5 500 5570 240 15 13.0 7.5 | 263 9 8.6 1.1 6 400 7170 235 23 18.8 13.2 | 245 16 14.4 6.8 7 300 9100 235 40 32.8 22.9 | 240 33 28.4 16.6 8 266 9880 245 38 34.4 16.1 | 252 32 30.0 9.7 9 250 10280 240 31 26.8 15.5 | 248 24 22.4 9.1 10 200 11720 250 21 19.7 7.2 | 267 15 15.3 0.8 11 150 13590 235 9 7.4 5.2 | 292 3 3.0 -1.2 12 100 16190 260 19 18.7 3.3 | 282 15 14.3 -3.1 Wind Parameters Mean winds (0-6000m): 184.7 at 10.3 knts Storm direction: 214.7 at 7.8 knts Shear (0-3000m) pos: 2.1 neg: 0.0 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 50.8 deg Storm rel helicity (0-3000m) pos: 30.7 neg: -2.3 tot: 28.5 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 2.4 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.09 Bulk Shear: 30.88 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 76 8 56 15| 1.9 0.0 1.9| 4.7 -2.3 2.4 4.9 0.24| 2.8 0.7 1000 81 8 58 14| 1.5 0.0 1.5| 6.2 -2.3 4.0 4.0 0.29| 1.9 0.6 1500 84 8 59 14| 1.1 0.0 1.1| 8.1 -2.3 5.8 3.9 0.38| 1.5 0.6 2000 90 7 62 14| 1.6 0.0 1.6| 17.0 -2.3 14.7 7.4 0.60| 1.9 1.1 2500 98 8 66 13| 1.9 0.0 1.9| 24.7 -2.3 22.5 9.0 0.67| 2.2 1.4 3000 108 8 71 12| 2.1 0.0 2.1| 30.7 -2.3 28.5 9.5 0.69| 2.4 1.7 4000 130 8 85 11| 2.3 0.0 2.3| 39.9 -2.3 37.6 9.4 0.76| 2.6 1.9 5000 156 9 104 8| 2.3 0.0 2.3| 49.6 -2.3 47.3 9.5 0.81| 2.8 2.3 6000 185 10 138 5| 2.0 0.2 2.3| 56.2 -5.3 50.9 8.5 0.72| 2.9 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250509.12.gif