UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025080312.upa.cvt Date: 1200Z 3 AUG 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 3 AUG 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 1013 103 21.2 12.2 56 9.0 15.7 265 7 293.3 294.8 288.3 318.6 8.84 1 1000 202 17.8 14.1 79 3.7 15.5 260 7 291.0 292.8 288.6 319.7 10.16 2 925 863 12.0 12.0 100 0.0 12.0 305 3 291.6 293.3 288.3 318.7 9.56 3 850 1573 13.0 10.3 84 2.7 11.3 350 9 299.8 301.5 290.9 327.1 9.29 4 700 3186 5.6 0.7 71 4.9 3.0 330 13 308.7 309.8 290.7 326.4 5.76 5 500 5850 -9.5 -14.2 69 4.7 -11.2 330 23 321.5 322.0 291.7 330.0 2.55 6 400 7540 -19.3 -30.3 37 11.0 -21.7 320 29 329.9 330.1 292.4 332.7 0.77 7 300 9600 -37.1 -40.9 68 3.8 -37.5 330 40 333.1 333.2 292.9 334.4 0.36 8 250 10830 -48.1 -52.4 61 4.3 -48.3 325 52 334.6 334.6 293.1 335.0 0.12 9 200 12260 -58.1 -67.1 31 9.0 -58.2 330 58 340.8 340.8 294.5 340.9 0.02 10 189 12615 -59.3 -66.3 40 7.0 -59.4 325 54 344.4 344.4 295.4 344.5 0.03 11 175 13097 -58.4 -70.4 20 12.0 -58.5 320 60 353.6 353.6 297.4 353.7 0.02 12 150 14070 -56.5 -78.5 5 22.0 -56.8 330 44 372.7 372.7 301.1 372.8 0.01 13 100 16630 -58.9 -88.9 1 30.0 -59.2 325 19 413.9 413.9 307.0 413.9 0.00 TRP 189 12615 -59.3 -66.3 40 7.0 -59.4 325 54 344.4 344.4 295.4 344.5 0.03 WND 175 13097 -58.4 -70.4 20 12.0 -58.5 320 60 353.6 353.6 297.4 353.7 0.02 Sounding variables and indices 1000-500 mb thick: 5648.00 m Freezing level: 625.83 mb = 4173.97 m = 13693.97 ft Wetbulb zero: 657.75 mb = 3678.94 m = 12069.86 ft Precipitable water: 1.50 inches Sfc-500 mean rel hum: 76.51 % Est. max temperature: 26.23 C = 79.22 F Sfc-Lift cond lev (LCL): 886.69 mb = 1218.18 m = 3996.62 ft T: 12.50 C 700-500 lapse rate: 5.67 C/km ThetaE index: 0.96 C Layer 925.0- 850.0 mb Conv cond level (CCL): 930.27 mb = 814.80 m = 2673.20 ft Mean mixing ratio: 9.78 g/kg Conv temperature: 19.46 C = 67.04 F Cap Strength: 5.52 C Lifted Index: 7.33 C Risk: None Lifted Index @300 mb: 10.28 C Lifted Index @700 mb: 5.52 C Showalter Index: 3.20 C Risk: None Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 19.80 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 164.60 Risk: None Energy Index: 0.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.09 J/kg Max Up Vert Vel: 3.19 m/s Conv Inhibition (B-): 9969.50 J/kg Cap Strength: 7.28 C Lift Cond Lev (LCL): 931.10 mb = 807.31 m = 2648.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 360 at 10 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 1013 103 265 7 7.0 0.6 | 213 13 6.9 10.7 1 1000 202 260 7 6.9 1.2 | 211 13 6.9 11.3 2 925 863 305 3 2.5 -1.7 | 196 9 2.4 8.4 3 850 1573 350 9 1.6 -8.9 | 232 2 1.5 1.2 4 700 3186 330 13 6.5 -11.3 | 280 7 6.5 -1.2 5 500 5850 330 23 11.5 -19.9 | 311 15 11.5 -9.8 6 400 7540 320 29 18.6 -22.2 | 303 22 18.6 -12.1 7 300 9600 330 40 20.0 -34.6 | 321 32 20.0 -24.6 8 250 10830 325 52 29.8 -42.6 | 317 44 29.8 -32.5 9 200 12260 330 58 29.0 -50.2 | 324 50 29.0 -40.2 10 189 12615 325 54 31.0 -44.2 | 318 46 30.9 -34.2 11 175 13097 320 60 38.6 -46.0 | 313 53 38.5 -35.9 12 150 14070 330 44 22.0 -38.1 | 322 36 22.0 -28.0 13 100 16630 325 19 10.9 -15.6 | 297 12 10.9 -5.5 Wind Parameters Mean winds (0-6000m): 329.9 at 13.4 knts Storm direction: 359.9 at 10.1 knts Shear (0-3000m) pos: 1.9 neg: 0.9 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 67.2 deg Storm rel helicity (0-3000m) pos: 6.9 neg: -7.1 tot: -0.2 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 18.37 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 ------------------------------------------------------------------------------- 500 269 6 211 12| 3.4 0.0 3.4| 0.0 -3.9 -3.8 -7.7 -0.30| 4.4 -1.3 1000 279 5 208 10| 3.0 0.0 3.0| 2.6 -7.1 -4.6 -4.6 -0.17| 4.2 -0.7 1500 308 6 214 8| 3.7 0.0 3.7| 5.1 -7.1 -2.0 -1.4 0.05| 4.6 0.2 2000 323 7 220 6| 2.8 0.4 3.2| 5.9 -7.1 -1.2 -0.6 0.13| 3.9 0.5 2500 329 8 227 5| 2.2 0.7 2.9| 6.5 -7.1 -0.6 -0.2 0.15| 3.5 0.5 3000 330 8 235 5| 1.9 0.9 2.7| 6.9 -7.1 -0.2 -0.1 0.15| 3.2 0.5 4000 330 10 252 5| 1.4 1.1 2.5| 11.5 -7.1 4.3 1.1 0.23| 2.9 0.7 5000 330 12 269 6| 1.1 1.2 2.4| 16.4 -7.1 9.3 1.9 0.26| 2.7 0.7 6000 330 13 283 7| 0.9 1.4 2.3| 19.9 -8.1 11.9 2.0 0.25| 2.6 0.6 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250803.12.gif