UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025051412.upa.cvt Date: 1200Z 14 MAY 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 14 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 1011 61 24.0 11.0 44 13.0 16.0 100 1 296.2 297.7 288.7 320.0 8.17 1 1000 141 21.0 8.0 43 13.0 13.4 125 3 294.1 295.4 286.6 313.6 6.74 2 925 808 14.8 6.8 59 8.0 10.3 75 3 294.4 295.6 286.7 313.9 6.71 3 850 1515 8.2 6.6 90 1.6 7.3 70 7 294.7 296.0 287.3 315.6 7.21 4 700 3086 -3.3 -7.8 71 4.5 -5.1 145 5 298.8 299.4 284.6 308.1 3.03 5 500 5660 -20.5 -26.5 59 6.0 -21.7 165 3 308.0 308.2 285.7 311.0 0.88 6 400 7270 -33.7 -38.7 61 5.0 -34.2 165 9 311.2 311.3 286.2 312.4 0.34 7 300 9210 -49.5 -55.5 49 6.0 -49.7 150 13 315.6 315.6 287.3 315.8 0.07 8 259 10156 -57.3 -62.3 53 5.0 -57.4 160 11 317.6 317.7 288.0 317.8 0.03 9 250 10380 -57.7 -63.7 46 6.0 -57.8 145 11 320.3 320.3 288.9 320.4 0.03 10 200 11800 -54.5 -73.5 8 19.0 -54.8 240 11 346.5 346.5 295.8 346.5 0.01 11 150 13650 -54.1 -85.1 1 31.0 -54.5 245 5 376.9 376.9 301.8 376.9 0.00 12 100 16250 -55.3 -86.3 1 31.0 -55.8 205 9 420.9 420.9 307.8 420.9 0.00 TRP 259 10156 -57.3 -62.3 53 5.0 -57.4 160 11 317.6 317.7 288.0 317.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5519.00 m Freezing level: 743.04 mb = 2635.19 m = 8645.54 ft Wetbulb zero: 761.61 mb = 2403.47 m = 7885.30 ft Precipitable water: 0.94 inches Sfc-500 mean rel hum: 68.34 % Est. max temperature: 22.48 C = 72.46 F Sfc-Lift cond lev (LCL): 834.71 mb = 1661.87 m = 5452.27 ft T: 7.12 C 700-500 lapse rate: 6.68 C/km ThetaE index: 7.54 C Layer 700.0- 500.0 mb Conv cond level (CCL): 805.18 mb = 1953.36 m = 6408.58 ft Mean mixing ratio: 6.80 g/kg Conv temperature: 23.70 C = 74.66 F Cap Strength: 0.98 C Lifted Index: -0.72 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.34 C Lifted Index @700 mb: -1.15 C Showalter Index: -1.59 C Risk: Thunderstorms probable Total Totals Index: 55.80 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.70 C Cross Totals Index: 27.10 C K Index: 30.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 232.20 Risk: None Energy Index: -1.01 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 192.88 J/kg Max Up Vert Vel: 19.64 m/s Conv Inhibition (B-): 21.27 J/kg Cap Strength: 1.81 C Lift Cond Lev (LCL): 823.00 mb = 1776.18 m = 5827.30 ft Lev Free Conv (LFC): 758.00 mb = 2441.89 m = 8011.35 ft Equ Level (EL): 358.00 mb = 8018.06 m = 26305.64 ft B at Equ Level: 192.21 J/kg Max Parcel Lev (MPL): 248.00 mb = 10431.09 m = 34222.32 ft Wind level data Storm motion: 153 at 3 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 1011 61 100 1 -1.0 0.2 | 349 3 0.5 -2.8 1 1000 141 125 3 -2.5 1.7 | 36 2 -0.9 -1.3 2 925 808 75 3 -2.9 -0.8 | 20 4 -1.4 -3.8 3 850 1515 70 7 -6.6 -2.4 | 43 7 -5.1 -5.4 4 700 3086 145 5 -2.9 4.1 | 129 2 -1.3 1.1 5 500 5660 165 3 -0.8 2.9 | 277 1 0.7 -0.1 6 400 7270 165 9 -2.3 8.7 | 172 6 -0.8 5.7 7 300 9210 150 13 -6.5 11.3 | 149 10 -5.0 8.3 8 259 10156 160 11 -3.8 10.3 | 163 8 -2.2 7.3 9 250 10380 145 11 -6.3 9.0 | 141 8 -4.8 6.0 10 200 11800 240 11 9.5 5.5 | 257 11 11.0 2.5 11 150 13650 245 5 4.5 2.1 | 278 6 6.1 -0.9 12 100 16250 205 9 3.8 8.2 | 226 7 5.3 5.2 Wind Parameters Mean winds (0-6000m): 123.1 at 4.5 knts Storm direction: 153.1 at 3.4 knts Shear (0-3000m) pos: 1.2 neg: 1.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 137.0 deg Storm rel helicity (0-3000m) pos: 10.7 neg: -0.6 tot: 10.1 m^2/s^2 ave: 3.4 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 433.24 Bulk Shear: 0.45 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 ------------------------------------------------------------------------------- 500 111 3 29 2| 0.0 2.1 2.1| 0.9 -0.3 0.7 1.3 0.39| 3.9 1.5 1000 93 3 29 3| 0.0 1.8 1.8| 2.0 -0.6 1.3 1.3 0.32| 3.1 1.0 1500 82 4 34 4| 0.0 2.1 2.1| 4.1 -0.6 3.5 2.4 0.38| 3.0 1.1 2000 82 5 40 5| 0.7 1.6 2.3| 7.6 -0.6 7.0 3.5 0.47| 3.0 1.4 2500 87 5 47 5| 1.1 1.2 2.3| 9.6 -0.6 9.0 3.6 0.50| 2.9 1.5 3000 93 5 52 4| 1.2 1.0 2.3| 10.7 -0.6 10.1 3.4 0.54| 2.8 1.5 4000 106 5 63 4| 1.0 0.8 1.7| 10.9 -0.6 10.3 2.6 0.53| 2.2 1.2 5000 116 5 71 3| 0.8 0.6 1.4| 11.0 -0.6 10.4 2.1 0.55| 1.9 1.0 6000 123 4 76 2| 0.7 0.5 1.2| 11.1 -0.9 10.2 1.7 0.46| 1.8 0.8 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20250514.12.gif