UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025072912.upa.cvt Date: 1200Z 29 JUL 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:1200Z 29 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 1012 103 17.4 15.2 87 2.2 16.0 300 11 289.6 291.5 288.7 319.8 10.79 1 1000 195 16.6 16.6 100 0.0 16.6 310 15 289.8 291.9 289.8 323.3 11.96 2 925 857 13.4 13.4 100 0.0 13.4 315 19 293.0 294.9 289.6 322.9 10.50 3 850 1567 10.0 9.6 97 0.4 9.7 330 19 296.6 298.2 289.5 322.3 8.86 4 700 3154 1.6 -22.4 15 24.0 -5.5 320 27 304.3 304.4 284.2 307.2 0.90 5 500 5810 -10.9 -20.9 44 10.0 -13.9 330 38 319.7 320.0 290.2 324.7 1.45 6 400 7480 -23.1 -26.5 74 3.4 -23.8 325 52 325.0 325.2 291.4 328.8 1.10 7 300 9520 -39.5 -43.8 64 4.3 -39.8 330 52 329.7 329.7 291.9 330.7 0.26 8 250 10740 -48.5 -58.5 30 10.0 -48.8 335 56 334.0 334.0 292.9 334.2 0.06 9 202 12126 -54.3 -70.3 12 16.0 -54.6 325 56 345.8 345.8 295.7 345.9 0.01 10 200 12190 -53.5 -70.5 11 17.0 -53.8 325 56 348.0 348.0 296.2 348.1 0.01 11 150 14060 -51.9 -83.9 1 32.0 -52.4 315 40 380.6 380.6 302.3 380.7 0.00 12 100 16630 -59.7 -89.7 1 30.0 -60.0 305 21 412.4 412.4 306.8 412.4 0.00 TRP 202 12126 -54.3 -70.3 12 16.0 -54.6 325 56 345.8 345.8 295.7 345.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5615.00 m Freezing level: 674.40 mb = 3493.97 m = 11463.01 ft Wetbulb zero: 754.04 mb = 2546.19 m = 8353.56 ft Precipitable water: 1.14 inches Sfc-500 mean rel hum: 53.84 % Est. max temperature: 23.88 C = 74.99 F Sfc-Lift cond lev (LCL): 979.58 mb = 370.20 m = 1214.54 ft T: 15.75 C 700-500 lapse rate: 4.71 C/km ThetaE index: 16.07 C Layer 925.0- 500.0 mb Conv cond level (CCL): 957.81 mb = 561.01 m = 1840.55 ft Mean mixing ratio: 11.13 g/kg Conv temperature: 19.40 C = 66.92 F Cap Strength: 0.03 C Lifted Index: 3.90 C Risk: None Lifted Index @300 mb: 5.42 C Lifted Index @700 mb: -0.06 C Showalter Index: 4.20 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 20.50 C K Index: 6.50 Risk: None Sweat Index: 191.20 Risk: None Energy Index: 0.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.02 J/kg Max Up Vert Vel: 6.17 m/s Conv Inhibition (B-): 0.21 J/kg Cap Strength: 3.61 C Lift Cond Lev (LCL): 959.55 mb = 545.62 m = 1790.06 ft Lev Free Conv (LFC): 924.55 mb = 861.09 m = 2825.06 ft Equ Level (EL): 904.55 mb = 1044.72 m = 3427.50 ft B at Equ Level: 15.54 J/kg Max Parcel Lev (MPL): 614.55 mb = 4181.67 m = 13719.23 ft Wind level data Storm motion: 354 at 20 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 1012 103 300 11 9.5 -5.5 | 208 16 7.6 14.5 1 1000 195 310 15 11.5 -9.6 | 223 14 9.5 10.4 2 925 857 315 19 13.4 -13.4 | 240 13 11.5 6.6 3 850 1567 330 19 9.5 -16.5 | 245 8 7.5 3.6 4 700 3154 320 27 17.4 -20.7 | 272 15 15.4 -0.6 5 500 5810 330 38 19.0 -32.9 | 307 21 17.0 -12.9 6 400 7480 325 52 29.8 -42.6 | 309 36 27.9 -22.6 7 300 9520 330 52 26.0 -45.0 | 316 35 24.0 -25.0 8 250 10740 335 56 23.7 -50.8 | 325 38 21.7 -30.7 9 202 12126 325 56 32.1 -45.9 | 311 40 30.2 -25.8 10 200 12190 325 56 32.1 -45.9 | 311 40 30.2 -25.8 11 150 14060 315 40 28.3 -28.3 | 287 28 26.3 -8.2 12 100 16630 305 21 17.2 -12.0 | 242 17 15.2 8.0 Wind Parameters Mean winds (0-6000m): 324.4 at 26.8 knts Storm direction: 354.4 at 20.1 knts Shear (0-3000m) pos: 1.9 neg: 1.4 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 64.5 deg Storm rel helicity (0-3000m) pos: 47.9 neg: 0.0 tot: 47.9 m^2/s^2 ave: 16.0 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.95 Bulk Shear: 19.97 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 ------------------------------------------------------------------------------- 500 311 16 225 14| 7.4 0.0 7.4| 25.1 0.0 25.1 50.3 0.91| 7.4 6.7 1000 314 17 232 13| 4.9 0.0 4.9| 32.2 0.0 32.2 32.2 0.82| 5.4 4.4 1500 318 18 235 12| 3.8 0.0 3.8| 33.9 0.0 33.9 22.6 0.67| 4.7 3.2 2000 321 18 239 11| 2.8 0.7 3.6| 39.1 0.0 39.1 19.5 0.69| 4.2 2.9 2500 322 19 244 11| 2.3 1.1 3.4| 43.9 0.0 43.9 17.5 0.67| 4.0 2.7 3000 321 20 249 11| 1.9 1.4 3.3| 47.9 0.0 47.9 16.0 0.64| 3.8 2.4 4000 322 22 258 12| 2.0 1.1 3.1| 65.3 0.0 65.3 16.3 0.68| 3.4 2.3 5000 323 25 268 13| 2.1 0.9 2.9| 84.9 0.0 84.9 17.0 0.71| 3.2 2.3 6000 324 27 277 14| 1.9 1.0 2.9|102.1 0.0 102.1 17.0 0.68| 3.2 2.2 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250729.12.gif