UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050812.upa.cvt Date: 1200Z 8 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 8 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 1008 61 18.0 7.0 49 11.0 11.9 90 5 290.5 291.6 284.7 308.3 6.24 1 1000 114 17.6 5.6 45 12.0 11.1 85 5 290.8 291.8 284.2 307.1 5.70 2 925 770 10.4 2.4 58 8.0 6.4 75 5 289.9 290.8 283.0 304.1 4.92 3 850 1465 4.0 -1.0 70 5.0 1.7 75 5 290.3 291.1 282.4 302.4 4.18 4 700 3008 -8.1 -9.0 93 0.9 -8.4 145 5 293.5 294.0 282.1 301.8 2.76 5 500 5560 -23.3 -28.3 63 5.0 -24.2 320 11 304.6 304.8 284.2 307.1 0.74 6 400 7160 -33.7 -46.7 26 13.0 -34.6 275 25 311.2 311.2 285.9 311.7 0.14 7 300 9100 -49.9 -55.9 49 6.0 -50.1 280 33 315.0 315.0 287.2 315.3 0.07 8 250 10280 -54.5 -69.5 14 15.0 -54.7 275 15 325.0 325.0 290.3 325.1 0.01 9 249 10306 -54.7 -70.7 12 16.0 -54.9 275 17 325.1 325.1 290.3 325.2 0.01 10 200 11720 -50.9 -79.9 2 29.0 -51.3 295 15 352.2 352.2 297.1 352.2 0.00 11 150 13590 -52.3 -84.3 1 32.0 -52.8 290 19 380.0 380.0 302.2 380.0 0.00 12 100 16200 -54.3 -85.3 1 31.0 -54.9 275 13 422.8 422.8 308.0 422.8 0.00 TRP 249 10306 -54.7 -70.7 12 16.0 -54.9 275 17 325.1 325.1 290.3 325.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5446.00 m Freezing level: 800.41 mb = 1975.08 m = 6479.85 ft Wetbulb zero: 824.56 mb = 1706.46 m = 5598.56 ft Precipitable water: 0.68 inches Sfc-500 mean rel hum: 74.11 % Est. max temperature: 17.81 C = 64.06 F Sfc-Lift cond lev (LCL): 855.19 mb = 1415.00 m = 4642.33 ft T: 4.46 C 700-500 lapse rate: 5.96 C/km ThetaE index: 6.54 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 818.65 mb = 1763.63 m = 5786.12 ft Mean mixing ratio: 5.27 g/kg Conv temperature: 18.51 C = 65.31 F Cap Strength: 0.49 C Lifted Index: 1.93 C Risk: Showers probable Lifted Index @300 mb: 6.95 C Lifted Index @700 mb: -1.67 C Showalter Index: 3.98 C Risk: None Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 22.30 C K Index: 25.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 33.00 Risk: None Energy Index: 0.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.37 J/kg Max Up Vert Vel: 13.14 m/s Conv Inhibition (B-): 6.05 J/kg Cap Strength: 1.76 C Lift Cond Lev (LCL): 826.84 mb = 1684.50 m = 5526.51 ft Lev Free Conv (LFC): 791.84 mb = 2028.23 m = 6654.22 ft Equ Level (EL): 571.84 mb = 4541.70 m = 14900.41 ft B at Equ Level: 85.48 J/kg Max Parcel Lev (MPL): 471.84 mb = 5975.58 m = 19604.68 ft Wind level data Storm motion: 41 at 5 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 1008 61 90 5 -5.0 0.0 | 159 4 -1.5 4.0 1 1000 114 85 5 -5.0 -0.4 | 157 4 -1.5 3.5 2 925 770 75 5 -4.8 -1.3 | 153 3 -1.4 2.7 3 850 1465 75 5 -4.8 -1.3 | 153 3 -1.4 2.7 4 700 3008 145 5 -2.9 4.1 | 184 8 0.6 8.0 5 500 5560 320 11 7.1 -8.4 | 293 11 10.5 -4.5 6 400 7160 275 25 24.9 -2.2 | 266 28 28.4 1.8 7 300 9100 280 33 32.5 -5.7 | 273 36 36.0 -1.8 8 250 10280 275 15 14.9 -1.3 | 262 19 18.4 2.6 9 249 10306 275 17 16.9 -1.5 | 263 21 20.4 2.5 10 200 11720 295 15 13.6 -6.3 | 278 17 17.1 -2.4 11 150 13590 290 19 17.9 -6.5 | 277 21 21.3 -2.5 12 100 16200 275 13 13.0 -1.1 | 260 17 16.4 2.8 Wind Parameters Mean winds (0-6000m): 11.3 at 7.0 knts Storm direction: 41.3 at 5.3 knts Shear (0-3000m) pos: 1.0 neg: 0.2 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): 26.7 deg Storm rel helicity (0-3000m) pos: 5.6 neg: -0.4 tot: 5.2 m^2/s^2 ave: 1.7 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 1.3 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 12.69 Bulk Shear: 6.80 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 82 5 156 4| 0.0 1.1 1.1| 0.0 -0.3 -0.3 -0.6 -0.30| 1.1 -0.3 1000 79 5 154 3| 0.0 0.7 0.7| 0.0 -0.4 -0.4 -0.4 -0.29| 0.7 -0.2 1500 78 5 154 3| 0.1 0.4 0.6| 0.1 -0.4 -0.3 -0.2 -0.17| 0.6 -0.1 2000 81 5 155 3| 0.6 0.3 0.9| 0.9 -0.4 0.5 0.3 0.12| 0.9 0.1 2500 87 5 158 4| 0.9 0.3 1.1| 2.7 -0.4 2.3 0.9 0.27| 1.2 0.3 3000 94 5 161 5| 1.0 0.2 1.3| 5.6 -0.4 5.2 1.7 0.38| 1.3 0.5 4000 116 5 168 6| 1.5 0.2 1.7| 24.3 -0.4 23.9 6.0 0.60| 2.0 1.2 5000 111 6 161 6| 1.5 0.1 1.6| 61.2 -0.4 60.8 12.2 0.76| 2.7 2.0 6000 11 7 324 4| 1.2 0.5 1.7| 81.1 -5.6 75.5 12.6 0.65| 3.3 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250508.12.gif