UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112812.upa.cvt Date: 1200Z 28 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 28 NOV 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 1017 61 11.4 1.4 50 10.0 6.6 170 3 283.2 283.9 279.0 294.9 4.16 1 1000 192 9.0 -1.0 49 10.0 4.6 190 5 282.1 282.8 277.7 292.1 3.55 2 925 838 7.2 5.9 91 1.3 6.5 250 11 286.7 287.8 283.1 304.4 6.30 3 850 1530 4.2 1.3 81 2.9 2.8 250 7 290.5 291.4 283.3 304.8 4.95 4 700 3088 -3.1 -7.9 69 4.8 -5.0 305 7 299.1 299.6 284.7 308.2 3.01 5 500 5680 -16.3 -35.3 18 19.0 -19.6 290 25 313.2 313.2 286.9 314.5 0.38 6 400 7310 -28.7 -34.7 56 6.0 -29.5 285 38 317.7 317.8 288.6 319.5 0.50 7 300 9300 -45.3 -52.3 45 7.0 -45.6 280 38 321.5 321.5 289.3 321.9 0.10 8 250 10490 -55.3 -62.3 41 7.0 -55.4 275 42 323.9 323.9 290.0 324.0 0.04 9 200 11890 -62.7 -71.7 29 9.0 -62.8 285 40 333.5 333.5 292.7 333.5 0.01 10 171 12844 -67.7 -73.7 42 6.0 -67.7 270 35 340.5 340.5 294.4 340.5 0.01 11 150 13640 -63.9 -79.9 10 16.0 -64.0 285 38 360.0 360.0 298.7 360.0 0.00 12 100 16110 -65.3 -93.3 1 28.0 -65.4 305 25 401.6 401.6 305.4 401.6 0.00 TRP 171 12844 -67.7 -73.7 42 6.0 -67.7 270 35 340.5 340.5 294.4 340.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5488.00 m Freezing level: 763.70 mb = 2426.38 m = 7960.48 ft Wetbulb zero: 796.61 mb = 2050.54 m = 6727.41 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 60.48 % Est. max temperature: 17.89 C = 64.20 F Sfc-Lift cond lev (LCL): 873.51 mb = 1306.69 m = 4287.00 ft T: 5.17 C 700-500 lapse rate: 5.09 C/km ThetaE index: 2.72 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 744.53 mb = 2593.09 m = 8507.42 ft Mean mixing ratio: 4.86 g/kg Conv temperature: 24.63 C = 76.33 F Cap Strength: 7.49 C Lifted Index: 14.09 C Risk: None Lifted Index @300 mb: 16.76 C Lifted Index @700 mb: 7.49 C Showalter Index: 9.40 C Risk: None Total Totals Index: 38.10 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 17.60 C K Index: 17.00 Risk: < 20 % chance of thunderstorms Sweat Index: 54.60 Risk: None Energy Index: 2.02 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 7.56 J/kg Max Up Vert Vel: 3.89 m/s Conv Inhibition (B-): 12302.20 J/kg Cap Strength: 13.74 C Lift Cond Lev (LCL): 887.57 mb = 1176.01 m = 3858.25 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 313 at 9 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 1017 61 170 3 -0.5 3.0 | 142 12 -7.3 9.4 1 1000 192 190 5 0.9 4.9 | 152 13 -5.9 11.4 2 925 838 250 11 10.3 3.8 | 199 11 3.5 10.2 3 850 1530 250 7 6.6 2.4 | 179 9 -0.2 8.8 4 700 3088 305 7 5.7 -4.0 | 156 3 -1.1 2.4 5 500 5680 290 25 23.5 -8.6 | 277 17 16.7 -2.1 6 400 7310 285 38 36.7 -9.8 | 276 30 29.9 -3.4 7 300 9300 280 38 37.4 -6.6 | 270 31 30.6 -0.2 8 250 10490 275 42 41.8 -3.7 | 265 35 35.0 2.8 9 200 11890 285 40 38.6 -10.4 | 277 32 31.8 -3.9 10 171 12844 270 35 35.0 -0.0 | 257 29 28.2 6.4 11 150 13640 285 38 36.7 -9.8 | 276 30 29.9 -3.4 12 100 16110 305 25 20.5 -14.3 | 300 16 13.7 -7.9 Wind Parameters Mean winds (0-6000m): 283.5 at 12.5 knts Storm direction: 313.5 at 9.4 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 16.4 deg Storm rel helicity (0-3000m) pos: 40.3 neg: -9.9 tot: 30.4 m^2/s^2 ave: 10.1 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.0 stream: 1.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.36 Bulk Shear: 20.99 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 ------------------------------------------------------------------------------- 500 206 6 161 13| 7.3 0.0 7.3| 25.1 0.0 25.1 50.2 0.97| 7.9 7.7 1000 234 8 178 11| 5.0 0.0 5.0| 39.5 -2.6 36.9 36.9 0.81| 7.1 5.8 1500 240 8 181 10| 2.5 0.0 2.5| 39.5 -8.5 31.0 20.7 0.53| 5.7 3.0 2000 245 8 182 10| 2.1 0.0 2.1| 40.3 -8.5 31.8 15.9 0.49| 4.8 2.4 2500 251 8 183 9| 1.8 0.0 1.8| 40.3 -8.8 31.5 12.6 0.43| 4.3 1.8 3000 257 8 184 8| 1.6 0.0 1.6| 40.3 -9.9 30.4 10.1 0.34| 4.0 1.3 4000 272 8 193 6| 1.2 0.9 2.1| 43.1 -9.9 33.2 8.3 0.41| 3.8 1.6 5000 281 10 214 6| 1.0 1.4 2.4| 44.3 -9.9 34.4 6.9 0.35| 3.8 1.3 6000 283 12 237 6| 0.8 1.8 2.6| 44.7 -11.3 33.4 5.6 0.28| 3.8 1.1 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251128.12.gif