UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112512.upa.cvt Date: 1200Z 25 NOV 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:1200Z 25 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 1010 61 11.4 8.7 83 2.7 9.9 345 3 283.7 285.0 282.6 303.1 7.00 1 1000 132 9.8 6.6 80 3.2 8.1 350 3 283.0 284.0 281.3 299.9 6.11 2 925 773 3.8 3.8 100 0.0 3.8 345 19 283.2 284.1 280.6 298.3 5.43 3 850 1453 -0.9 -3.3 84 2.4 -1.9 330 33 285.2 285.8 279.2 295.3 3.52 4 700 2974 -11.5 -18.5 56 7.0 -13.3 320 33 289.7 290.0 278.4 293.6 1.27 5 500 5450 -32.1 -36.7 64 4.6 -32.5 315 48 293.9 294.0 279.1 295.0 0.33 6 400 7000 -41.5 -55.5 21 14.0 -42.0 320 50 301.1 301.1 281.8 301.2 0.05 7 311 8683 -47.6 -65.1 12 17.5 -48.0 330 73 315.0 315.0 287.1 315.0 0.02 8 300 8920 -48.5 -66.5 11 18.0 -48.8 330 69 317.0 317.0 287.8 317.1 0.02 9 265 9732 -52.5 -68.5 13 16.0 -52.8 335 68 322.6 322.6 289.6 322.7 0.01 10 250 10110 -51.7 -71.7 7 20.0 -52.0 325 66 329.2 329.2 291.5 329.2 0.01 11 200 11550 -51.9 -83.9 1 32.0 -52.3 325 58 350.6 350.6 296.8 350.6 0.00 12 150 13400 -56.9 -86.9 1 30.0 -57.2 315 50 372.0 372.0 300.9 372.0 0.00 13 100 15940 -60.7 -89.7 1 29.0 -61.0 310 35 410.4 410.4 306.6 410.5 0.00 TRP 265 9732 -52.5 -68.5 13 16.0 -52.8 335 68 322.6 322.6 289.6 322.7 0.01 WND 311 8683 -47.6 -65.1 12 17.5 -48.0 330 73 315.0 315.0 287.1 315.0 0.02 Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: 864.36 mb = 1322.79 m = 4339.80 ft Wetbulb zero: 874.87 mb = 1221.10 m = 4006.18 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 70.17 % Est. max temperature: 12.59 C = 54.66 F Sfc-Lift cond lev (LCL): 969.62 mb = 385.69 m = 1265.36 ft T: 7.43 C 700-500 lapse rate: 8.32 C/km ThetaE index: 9.47 C Layer 1000.0- 500.0 mb Conv cond level (CCL): 937.16 mb = 665.64 m = 2183.82 ft Mean mixing ratio: 5.76 g/kg Conv temperature: 10.82 C = 51.48 F Cap Strength: 0.01 C Lifted Index: -2.53 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 12.74 C Lifted Index @700 mb: -1.56 C Showalter Index: 0.22 C Risk: Thunderstorms probable Total Totals Index: 60.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 31.20 C Cross Totals Index: 28.80 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 334.00 Risk: Showers and thunderstorms possible Energy Index: -0.08 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 362.28 J/kg Max Up Vert Vel: 26.92 m/s Conv Inhibition (B-): 0.49 J/kg Cap Strength: 0.59 C Lift Cond Lev (LCL): 937.38 mb = 663.71 m = 2177.50 ft Lev Free Conv (LFC): 932.38 mb = 707.69 m = 2321.78 ft Equ Level (EL): 432.38 mb = 6459.35 m = 21191.82 ft B at Equ Level: 359.61 J/kg Max Parcel Lev (MPL): 332.38 mb = 8238.33 m = 27028.32 ft Wind level data Storm motion: 351 at 26 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 61 345 3 0.8 -2.9 | 172 23 -3.2 22.7 1 1000 132 350 3 0.5 -3.0 | 171 23 -3.5 22.6 2 925 773 345 19 4.9 -18.4 | 187 7 0.9 7.2 3 850 1453 330 33 16.5 -28.6 | 284 13 12.5 -3.0 4 700 2974 320 33 21.2 -25.3 | 269 17 17.2 0.3 5 500 5450 315 48 33.9 -33.9 | 286 31 30.0 -8.4 6 400 7000 320 50 32.1 -38.3 | 294 31 28.2 -12.7 7 311 8683 330 73 36.5 -63.2 | 319 50 32.5 -37.6 8 300 8920 330 69 34.5 -59.8 | 318 46 30.5 -34.2 9 265 9732 335 68 28.7 -61.6 | 326 44 24.8 -36.1 10 250 10110 325 66 37.9 -54.1 | 310 44 33.9 -28.5 11 200 11550 325 58 33.3 -47.5 | 307 37 29.3 -21.9 12 150 13400 315 50 35.4 -35.4 | 287 33 31.4 -9.8 13 100 15940 310 35 26.8 -22.5 | 262 23 22.8 3.1 Wind Parameters Mean winds (0-6000m): 321.2 at 34.5 knts Storm direction: 351.2 at 25.9 knts Shear (0-3000m) pos: 1.8 neg: 3.8 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 98.2 deg Storm rel helicity (0-3000m) pos: 31.3 neg: -16.1 tot: 15.2 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 1.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 3.50 Bulk Shear: 103.56 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 ------------------------------------------------------------------------------- 500 347 7 173 18| 11.0 0.0 11.0| 5.6 -1.3 4.2 8.5 0.10| 11.1 1.1 1000 344 13 179 13| 5.5 5.9 11.4| 19.0 -1.3 17.6 17.6 0.39| 11.6 4.5 1500 337 19 202 9| 3.7 7.0 10.6| 29.8 -2.2 27.6 18.4 0.43| 11.0 4.7 2000 334 22 227 8| 2.8 5.3 8.1| 29.8 -6.9 23.0 11.5 0.36| 8.8 3.2 2500 331 25 243 9| 2.2 4.4 6.6| 29.8 -11.8 18.0 7.2 0.31| 7.4 2.3 3000 329 26 251 10| 1.8 3.8 5.6| 31.3 -16.1 15.2 5.1 0.28| 6.5 1.8 4000 326 29 261 12| 1.4 3.6 5.0| 48.4 -16.1 32.4 8.1 0.31| 5.7 1.8 5000 323 32 269 15| 1.1 3.6 4.7| 63.4 -16.1 47.3 9.5 0.32| 5.2 1.6 6000 321 35 274 18| 1.0 3.2 4.2| 83.5 -16.1 67.4 11.2 0.34| 4.7 1.6 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251125.12.gif