UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112700.upa.cvt Date: 0000Z 27 NOV 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 27 NOV 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 1011 103 10.0 8.2 89 1.8 9.0 220 11 282.3 283.4 281.7 300.8 6.75 1 1000 182 10.8 10.3 97 0.5 10.5 220 13 284.0 285.3 283.7 305.7 7.88 2 925 828 6.6 6.4 99 0.2 6.5 245 17 286.1 287.2 283.1 304.3 6.52 3 850 1518 2.8 2.7 99 0.1 2.7 250 17 289.1 290.0 283.2 304.7 5.47 4 700 3075 -2.5 -4.5 86 2.0 -3.4 320 11 299.7 300.4 285.9 311.5 3.91 5 500 5670 -15.9 -23.9 50 8.0 -17.9 335 27 313.7 313.9 287.9 317.4 1.11 6 400 7310 -27.9 -35.9 46 8.0 -29.0 345 36 318.7 318.8 288.8 320.3 0.45 7 300 9300 -44.1 -48.1 64 4.0 -44.3 0 46 323.2 323.2 289.9 323.8 0.16 8 250 10500 -53.1 -57.5 59 4.4 -53.2 355 64 327.1 327.1 291.0 327.4 0.06 9 200 11900 -63.7 -68.7 50 5.0 -63.7 350 77 331.9 331.9 292.3 332.0 0.02 10 180 12544 -66.9 -71.7 51 4.7 -67.0 345 79 336.8 336.8 293.5 336.8 0.01 11 171 12854 -68.5 -73.1 51 4.6 -68.5 0 73 339.1 339.1 294.1 339.2 0.01 12 150 13650 -64.1 -76.1 18 12.0 -64.2 345 44 359.7 359.7 298.7 359.7 0.01 13 100 16110 -67.9 -86.9 5 19.0 -68.0 330 36 396.5 396.5 304.8 396.5 0.00 TRP 171 12854 -68.5 -73.1 51 4.6 -68.5 0 73 339.1 339.1 294.1 339.2 0.01 WND 180 12544 -66.9 -71.7 51 4.7 -67.0 345 79 336.8 336.8 293.5 336.8 0.01 Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: 770.75 mb = 2340.57 m = 7678.93 ft Wetbulb zero: 782.77 mb = 2178.78 m = 7148.14 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 82.27 % Est. max temperature: 16.38 C = 61.48 F Sfc-Lift cond lev (LCL): 983.77 mb = 317.57 m = 1041.88 ft T: 9.92 C 700-500 lapse rate: 5.16 C/km ThetaE index: 1.38 C Layer 925.0- 850.0 mb Conv cond level (CCL): 949.32 mb = 612.99 m = 2011.10 ft Mean mixing ratio: 7.10 g/kg Conv temperature: 13.11 C = 55.59 F Cap Strength: 4.31 C Lifted Index: 9.80 C Risk: None Lifted Index @300 mb: 13.24 C Lifted Index @700 mb: 4.31 C Showalter Index: 9.86 C Risk: None Total Totals Index: 37.30 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 18.60 C K Index: 19.40 Risk: < 20 % chance of thunderstorms Sweat Index: 93.40 Risk: None Energy Index: 2.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.73 J/kg Max Up Vert Vel: 4.84 m/s Conv Inhibition (B-): 0.66 J/kg Cap Strength: 9.64 C Lift Cond Lev (LCL): 954.54 mb = 567.52 m = 1861.92 ft Lev Free Conv (LFC): 929.54 mb = 787.43 m = 2583.41 ft Equ Level (EL): 859.54 mb = 1426.93 m = 4681.47 ft B at Equ Level: 11.68 J/kg Max Parcel Lev (MPL): 799.54 mb = 2008.78 m = 6590.42 ft Wind level data Storm motion: 335 at 13 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 103 220 11 7.1 8.4 | 184 21 1.5 20.4 1 1000 182 220 13 8.4 10.0 | 187 22 2.8 22.0 2 925 828 245 17 15.4 7.2 | 207 22 9.9 19.2 3 850 1518 250 17 16.0 5.8 | 210 21 10.4 17.8 4 700 3075 320 11 7.1 -8.4 | 203 4 1.5 3.6 5 500 5670 335 27 11.4 -24.5 | 335 14 5.9 -12.5 6 400 7310 345 36 9.3 -34.8 | 351 23 3.8 -22.8 7 300 9300 0 46 -0.0 -46.0 | 9 34 -5.5 -34.0 8 250 10500 355 64 5.6 -63.8 | 360 52 0.0 -51.7 9 200 11900 350 77 13.4 -75.8 | 353 64 7.8 -63.8 10 180 12544 345 79 20.4 -76.3 | 347 66 14.9 -64.3 11 171 12854 0 73 -0.0 -73.0 | 5 61 -5.5 -61.0 12 150 13650 345 44 11.4 -42.5 | 349 31 5.9 -30.5 13 100 16110 330 36 18.0 -31.2 | 327 23 12.5 -19.2 Wind Parameters Mean winds (0-6000m): 305.3 at 17.6 knts Storm direction: 335.3 at 13.2 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 21.0 deg Storm rel helicity (0-3000m) pos: 75.0 neg: -2.6 tot: 72.4 m^2/s^2 ave: 24.1 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.22 Bulk Shear: 52.97 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 ------------------------------------------------------------------------------- 500 228 14 192 22| 6.1 0.0 6.1| 34.5 0.0 34.5 68.9 0.88| 6.9 6.1 1000 237 15 200 22| 4.5 0.0 4.5| 53.3 0.0 53.3 53.3 0.91| 5.2 4.7 1500 241 16 203 21| 3.3 0.0 3.3| 60.6 0.0 60.6 40.4 0.86| 4.2 3.6 2000 247 16 206 20| 3.2 0.0 3.2| 72.7 0.0 72.7 36.4 0.71| 4.8 3.4 2500 253 15 209 19| 3.1 0.0 3.1| 75.0 -0.1 74.9 30.0 0.57| 5.0 2.9 3000 257 15 210 18| 2.9 0.0 2.9| 75.0 -2.6 72.4 24.1 0.42| 5.0 2.1 4000 273 15 219 14| 3.0 0.0 3.0| 80.2 -2.6 77.6 19.4 0.50| 4.6 2.3 5000 291 16 235 11| 3.0 0.0 3.0| 86.6 -2.6 84.0 16.8 0.50| 4.3 2.2 6000 305 18 258 9| 3.1 0.0 3.1| 96.6 -2.6 94.1 15.7 0.49| 4.2 2.1 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251127.00.gif