UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051300.upa.cvt Date: 0000Z 13 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 13 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 1009 61 12.4 9.2 81 3.2 10.6 305 9 284.8 286.1 283.4 304.9 7.25 1 1000 121 13.0 8.8 76 4.2 10.6 305 9 286.1 287.4 283.8 306.0 7.12 2 925 776 11.0 4.0 62 7.0 7.3 160 5 290.6 291.5 284.0 306.4 5.51 3 850 1473 4.6 2.1 84 2.5 3.4 170 9 291.0 291.9 283.8 306.0 5.24 4 700 3027 -4.9 -7.4 83 2.5 -5.9 200 13 297.1 297.6 284.0 306.5 3.13 5 500 5590 -22.3 -25.4 76 3.1 -22.9 230 15 305.9 306.0 284.9 309.0 0.97 6 400 7190 -34.9 -43.9 39 9.0 -35.6 240 17 309.6 309.7 285.4 310.3 0.19 7 300 9110 -52.5 -57.2 57 4.7 -52.6 230 35 311.3 311.4 285.9 311.6 0.06 8 265 9900 -57.3 -61.4 60 4.1 -57.3 235 27 315.6 315.6 287.3 315.7 0.04 9 250 10270 -54.5 -72.5 9 18.0 -54.7 240 25 325.0 325.0 290.3 325.1 0.01 10 200 11720 -50.1 -74.1 4 24.0 -50.5 245 17 353.4 353.4 297.4 353.5 0.01 11 150 13600 -51.3 -83.3 1 32.0 -51.8 250 15 381.7 381.7 302.5 381.7 0.00 12 100 16210 -53.1 -85.1 1 32.0 -53.8 215 3 425.1 425.1 308.3 425.1 0.00 TRP 265 9900 -57.3 -61.4 60 4.1 -57.3 235 27 315.6 315.6 287.3 315.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5469.00 m Freezing level: 777.37 mb = 2225.46 m = 7301.30 ft Wetbulb zero: 795.57 mb = 2002.72 m = 6570.53 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 78.38 % Est. max temperature: 18.52 C = 65.33 F Sfc-Lift cond lev (LCL): 961.48 mb = 451.02 m = 1479.70 ft T: 11.99 C 700-500 lapse rate: 6.79 C/km ThetaE index: 0.32 C Layer 850.0- 700.0 mb Conv cond level (CCL): 849.12 mb = 1481.28 m = 4859.79 ft Mean mixing ratio: 6.25 g/kg Conv temperature: 18.59 C = 65.47 F Cap Strength: 2.24 C Lifted Index: 2.47 C Risk: None Lifted Index @300 mb: 3.85 C Lifted Index @700 mb: 1.12 C Showalter Index: 2.55 C Risk: Showers probable Total Totals Index: 51.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 24.40 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 104.20 Risk: None Energy Index: 0.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.61 J/kg Max Up Vert Vel: 4.39 m/s Conv Inhibition (B-): 11460.19 J/kg Cap Strength: 2.47 C Lift Cond Lev (LCL): 881.15 mb = 1176.30 m = 3859.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 239 at 9 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 1009 61 305 9 7.4 -5.2 | 1 10 -0.2 -9.7 1 1000 121 305 9 7.4 -5.2 | 1 10 -0.2 -9.7 2 925 776 160 5 -1.7 4.7 | 91 9 -9.3 0.2 3 850 1473 170 9 -1.6 8.9 | 115 10 -9.2 4.4 4 700 3027 200 13 4.4 12.2 | 158 8 -3.2 7.7 5 500 5590 230 15 11.5 9.6 | 217 6 3.9 5.1 6 400 7190 240 17 14.7 8.5 | 241 8 7.1 4.0 7 300 9110 230 35 26.8 22.5 | 227 26 19.2 18.0 8 265 9900 235 27 22.1 15.5 | 233 18 14.5 11.0 9 250 10270 240 25 21.7 12.5 | 240 16 14.0 8.0 10 200 11720 245 17 15.4 7.2 | 251 8 7.8 2.7 11 150 13600 250 15 14.1 5.1 | 264 7 6.5 0.6 12 100 16210 215 3 1.7 2.5 | 71 6 -5.9 -2.0 Wind Parameters Mean winds (0-6000m): 209.4 at 11.8 knts Storm direction: 239.4 at 8.8 knts Shear (0-3000m) pos: 1.5 neg: 2.5 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 156.9 deg Storm rel helicity (0-3000m) pos: 29.7 neg: -4.7 tot: 25.0 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.57 Bulk Shear: 16.83 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 ------------------------------------------------------------------------------- 500 276 8 358 5| 0.0 12.0 12.0| 2.9 -2.0 1.0 1.9 0.30| 13.9 4.2 1000 242 7 52 2| 0.0 7.6 7.6| 6.6 -4.7 1.9 1.9 0.21| 10.1 2.1 1500 193 7 113 7| 1.0 5.1 6.0| 13.9 -4.7 9.2 6.1 0.31| 7.7 2.4 2000 185 8 116 8| 1.2 3.8 5.0| 19.1 -4.7 14.5 7.2 0.36| 6.3 2.3 2500 186 9 121 8| 1.4 3.0 4.4| 24.5 -4.7 19.8 7.9 0.41| 5.5 2.3 3000 190 9 127 8| 1.5 2.5 4.0| 29.7 -4.7 25.0 8.3 0.46| 5.0 2.3 4000 196 10 138 7| 1.4 1.9 3.3| 35.1 -4.7 30.4 7.6 0.50| 4.1 2.1 5000 203 11 150 7| 1.3 1.5 2.8| 40.3 -4.7 35.6 7.1 0.54| 3.6 2.0 6000 209 12 162 6| 1.2 1.3 2.5| 44.7 -4.7 40.0 6.7 0.57| 3.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250513.00.gif