UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025073112.upa.cvt Date: 1200Z 31 JUL 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 31 JUL 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1010 103 19.0 14.0 73 5.0 15.8 260 9 291.3 293.1 288.6 319.6 9.99 1 1000 183 17.4 16.5 94 0.9 16.8 250 11 290.5 292.7 290.0 324.0 11.88 2 925 844 12.8 12.8 100 0.0 12.8 265 13 292.4 294.2 289.0 321.1 10.09 3 850 1553 10.4 10.4 100 0.0 10.4 295 19 297.0 298.7 290.0 324.2 9.36 4 700 3146 1.8 -10.2 41 12.0 -3.0 285 17 304.5 304.9 286.2 312.4 2.51 5 500 5780 -13.3 -30.3 23 17.0 -17.0 270 33 316.8 316.9 288.4 319.0 0.62 6 400 7430 -27.3 -29.3 83 2.0 -27.6 260 38 319.5 319.7 289.5 322.5 0.85 7 300 9450 -41.5 -51.5 33 10.0 -42.1 260 40 326.9 326.9 290.9 327.3 0.11 8 250 10660 -47.7 -58.7 27 11.0 -48.1 275 44 335.2 335.2 293.2 335.4 0.06 9 234 11095 -51.1 -62.1 26 11.0 -51.4 270 44 336.4 336.4 293.4 336.6 0.04 10 200 12120 -50.7 -69.7 9 19.0 -51.1 270 33 352.5 352.5 297.2 352.6 0.02 11 150 13990 -52.1 -76.1 4 24.0 -52.6 305 27 380.3 380.3 302.3 380.3 0.01 12 100 16580 -55.3 -86.3 1 31.0 -55.8 275 11 420.9 420.9 307.8 420.9 0.00 TRP 234 11095 -51.1 -62.1 26 11.0 -51.4 270 44 336.4 336.4 293.4 336.6 0.04 WND Sounding variables and indices 1000-500 mb thick: 5597.00 m Freezing level: 676.16 mb = 3459.99 m = 11351.52 ft Wetbulb zero: 733.33 mb = 2764.35 m = 9069.26 ft Precipitable water: 1.19 inches Sfc-500 mean rel hum: 58.47 % Est. max temperature: 24.09 C = 75.36 F Sfc-Lift cond lev (LCL): 937.85 mb = 726.99 m = 2385.11 ft T: 13.61 C 700-500 lapse rate: 5.73 C/km ThetaE index: 11.85 C Layer 700.0- 500.0 mb Conv cond level (CCL): 948.14 mb = 634.47 m = 2081.57 ft Mean mixing ratio: 10.83 g/kg Conv temperature: 19.50 C = 67.10 F Cap Strength: 0.65 C Lifted Index: 1.80 C Risk: Showers probable Lifted Index @300 mb: 3.83 C Lifted Index @700 mb: 0.43 C Showalter Index: 0.83 C Risk: Thunderstorms probable Total Totals Index: 47.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 23.70 C K Index: 22.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 195.80 Risk: None Energy Index: -1.07 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.14 J/kg Max Up Vert Vel: 4.93 m/s Conv Inhibition (B-): 0.02 J/kg Cap Strength: 1.82 C Lift Cond Lev (LCL): 950.91 mb = 609.78 m = 2000.56 ft Lev Free Conv (LFC): 935.91 mb = 744.59 m = 2442.85 ft Equ Level (EL): 885.91 mb = 1206.05 m = 3956.80 ft B at Equ Level: 11.73 J/kg Max Parcel Lev (MPL): 815.91 mb = 1888.84 m = 6196.91 ft Wind level data Storm motion: 307 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 1010 103 260 9 8.9 1.6 | 162 12 -3.7 11.2 1 1000 183 250 11 10.3 3.8 | 171 14 -2.2 13.4 2 925 844 265 13 13.0 1.1 | 182 11 0.4 10.7 3 850 1553 295 19 17.2 -8.0 | 251 5 4.7 1.6 4 700 3146 285 17 16.4 -4.4 | 217 7 3.9 5.2 5 500 5780 270 33 33.0 -0.0 | 245 23 20.5 9.6 6 400 7430 260 38 37.4 6.6 | 237 30 24.9 16.2 7 300 9450 260 40 39.4 6.9 | 238 32 26.9 16.5 8 250 10660 275 44 43.8 -3.8 | 260 32 31.3 5.8 9 234 11095 270 44 44.0 -0.0 | 253 33 31.5 9.6 10 200 12120 270 33 33.0 -0.0 | 245 23 20.5 9.6 11 150 13990 305 27 22.1 -15.5 | 302 11 9.6 -5.9 12 100 16580 275 11 11.0 -1.0 | 170 9 -1.6 8.6 Wind Parameters Mean winds (0-6000m): 277.5 at 21.0 knts Storm direction: 307.5 at 15.8 knts Shear (0-3000m) pos: 1.9 neg: 0.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 55.7 deg Storm rel helicity (0-3000m) pos: 30.5 neg: -4.7 tot: 25.8 m^2/s^2 ave: 8.6 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 3.4 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.70 Bulk Shear: 17.23 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 ------------------------------------------------------------------------------- 500 255 11 173 13| 0.0 3.4 3.4| 11.7 0.0 11.7 23.4 0.72| 5.0 3.6 1000 262 12 179 11| 2.5 1.7 4.2| 20.9 0.0 20.9 20.9 0.72| 5.0 3.6 1500 273 14 189 9| 3.9 1.1 5.0| 30.5 0.0 30.5 20.3 0.77| 5.7 4.4 2000 279 15 199 8| 2.9 0.9 3.8| 30.5 -1.6 29.0 14.5 0.65| 4.5 3.0 2500 282 16 204 7| 2.3 0.8 3.2| 30.5 -3.1 27.4 11.0 0.56| 3.9 2.2 3000 283 16 207 7| 1.9 0.8 2.8| 30.5 -4.7 25.8 8.6 0.48| 3.4 1.6 4000 283 17 214 7| 1.5 1.3 2.7| 37.8 -4.7 33.1 8.3 0.49| 3.4 1.6 5000 281 19 224 9| 1.2 1.7 2.8| 42.3 -4.7 37.6 7.5 0.43| 3.4 1.4 6000 277 21 231 11| 1.0 1.9 2.9| 42.7 -8.9 33.8 5.6 0.34| 3.3 1.1 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250731.12.gif