UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051112.upa.cvt Date: 1200Z 11 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 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 1006 61 15.0 10.2 73 4.8 12.2 225 11 287.7 289.0 285.1 309.5 7.78 1 1000 101 14.4 9.9 74 4.5 11.8 225 11 287.5 288.9 284.9 309.1 7.67 2 925 752 8.0 6.8 92 1.2 7.3 230 15 287.5 288.7 284.0 306.4 6.71 3 850 1445 4.4 0.7 77 3.7 2.7 225 19 290.8 291.6 283.2 304.4 4.73 4 700 2996 -6.3 -11.3 68 5.0 -8.0 220 23 295.5 295.9 282.4 302.5 2.30 5 500 5540 -22.9 -24.3 88 1.4 -23.2 155 25 305.1 305.3 284.8 308.6 1.07 6 400 7140 -35.7 -39.3 69 3.6 -36.0 155 46 308.6 308.7 285.2 309.7 0.32 7 335 8353 -42.5 -53.1 30 10.6 -42.9 165 71 315.4 315.4 287.3 315.7 0.08 8 300 9090 -46.7 -61.7 17 15.0 -47.1 165 68 319.5 319.5 288.6 319.7 0.03 9 270 9780 -51.1 -67.1 13 16.0 -51.4 170 62 322.9 322.9 289.6 323.0 0.02 10 250 10280 -50.1 -70.1 8 20.0 -50.5 185 40 331.6 331.6 292.2 331.6 0.01 11 200 11730 -49.3 -78.3 2 29.0 -49.8 205 27 354.7 354.7 297.6 354.7 0.00 12 150 13610 -51.5 -83.5 1 32.0 -52.1 220 25 381.3 381.3 302.5 381.3 0.00 13 100 16230 -53.7 -84.7 1 31.0 -54.3 240 23 424.0 424.0 308.2 424.0 0.00 TRP 270 9780 -51.1 -67.1 13 16.0 -51.4 170 62 322.9 322.9 289.6 323.0 0.02 WND 335 8353 -42.5 -53.1 30 10.6 -42.9 165 71 315.4 315.4 287.3 315.7 0.08 Sounding variables and indices 1000-500 mb thick: 5439.00 m Freezing level: 788.32 mb = 2082.79 m = 6833.23 ft Wetbulb zero: 812.63 mb = 1804.12 m = 5918.97 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 77.71 % Est. max temperature: 17.83 C = 64.10 F Sfc-Lift cond lev (LCL): 936.17 mb = 651.78 m = 2138.36 ft T: 8.99 C 700-500 lapse rate: 6.53 C/km ThetaE index: 6.98 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 910.35 mb = 882.83 m = 2896.38 ft Mean mixing ratio: 7.07 g/kg Conv temperature: 15.45 C = 59.82 F Cap Strength: 0.40 C Lifted Index: 1.05 C Risk: Showers probable Lifted Index @300 mb: 8.71 C Lifted Index @700 mb: -0.93 C Showalter Index: 3.04 C Risk: None Total Totals Index: 50.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 23.60 C K Index: 23.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 109.40 Risk: None Energy Index: 0.80 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 58.64 J/kg Max Up Vert Vel: 10.83 m/s Conv Inhibition (B-): 9.46 J/kg Cap Strength: 0.89 C Lift Cond Lev (LCL): 917.35 mb = 820.07 m = 2690.47 ft Lev Free Conv (LFC): 802.35 mb = 1905.86 m = 6252.76 ft Equ Level (EL): 562.35 mb = 4651.48 m = 15260.59 ft B at Equ Level: 58.56 J/kg Max Parcel Lev (MPL): 442.35 mb = 6418.41 m = 21057.52 ft Wind level data Storm motion: 229 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 1006 61 225 11 7.8 7.8 | 57 5 -4.4 -2.9 1 1000 101 225 11 7.8 7.8 | 57 5 -4.4 -2.9 2 925 752 230 15 11.5 9.6 | 34 1 -0.7 -1.1 3 850 1445 225 19 13.4 13.4 | 204 3 1.2 2.7 4 700 2996 220 23 14.8 17.6 | 200 7 2.6 6.9 5 500 5540 155 25 -10.6 22.7 | 118 26 -22.8 12.0 6 400 7140 155 46 -19.4 41.7 | 134 44 -31.6 31.0 7 335 8353 165 71 -18.4 68.6 | 152 65 -30.6 57.9 8 300 9090 165 68 -17.6 65.7 | 152 63 -29.8 55.0 9 270 9780 170 62 -10.8 61.1 | 155 55 -23.0 50.4 10 250 10280 185 40 3.5 39.8 | 163 30 -8.7 29.2 11 200 11730 205 27 11.4 24.5 | 177 14 -0.8 13.8 12 150 13610 220 25 16.1 19.2 | 205 9 3.9 8.5 13 100 16230 240 23 19.9 11.5 | 264 8 7.7 0.8 Wind Parameters Mean winds (0-6000m): 198.8 at 21.6 knts Storm direction: 228.8 at 16.2 knts Shear (0-3000m) pos: 0.5 neg: 1.7 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 139.3 deg Storm rel helicity (0-3000m) pos: 0.1 neg: -2.3 tot: -2.2 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: -0.05 Storm rel vorticity (0-3000m) horiz: 2.3 stream: -0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.96 Bulk Shear: 19.84 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 ------------------------------------------------------------------------------- 500 227 12 55 4| 3.0 0.0 3.0| 0.0 -0.3 -0.3 -0.7 -0.13| 3.0 -0.4 1000 228 14 52 2| 1.5 1.5 3.0| 0.0 -0.6 -0.5 -0.5 0.03| 3.2 0.1 1500 227 15 72 1| 1.0 1.9 2.9| 0.1 -0.6 -0.5 -0.3 0.02| 3.1 0.1 2000 226 16 151 1| 0.8 1.8 2.5| 0.1 -0.7 -0.6 -0.3 0.01| 2.7 0.0 2500 225 17 185 2| 0.6 1.7 2.3| 0.1 -0.8 -0.8 -0.3 0.00| 2.4 0.0 3000 224 18 192 2| 0.5 1.7 2.2| 0.1 -2.3 -2.2 -0.7 -0.05| 2.3 -0.1 4000 219 20 180 5| 0.4 1.9 2.3| 0.1 -24.9 -24.8 -6.2 -0.36| 3.1 -1.1 5000 210 21 164 7| 0.3 2.2 2.5| 0.1 -61.3 -61.3 -12.3 -0.47| 3.6 -1.7 6000 199 22 152 11| 0.3 2.6 2.9| 27.1 -84.9 -57.8 -9.6 -0.35| 4.0 -1.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250511.12.gif