UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121100.upa.cvt Date: 0000Z 11 DEC 25 Searching for LFBD... Searching the city database file for: LFBD ... Date:0000Z 11 DEC 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 1020 61 9.2 8.9 98 0.3 9.0 65 3 280.8 282.0 281.3 299.9 7.02 1 1000 217 11.6 11.3 98 0.3 11.4 75 5 284.8 286.2 284.6 308.1 8.43 2 925 867 9.0 4.1 71 4.9 6.5 45 5 288.5 289.5 283.1 304.3 5.55 3 850 1561 4.4 -0.6 70 5.0 2.1 125 3 290.8 291.5 282.7 303.2 4.30 4 700 3120 -3.5 -6.4 80 2.9 -4.7 105 5 298.6 299.2 284.9 308.8 3.38 5 500 5700 -17.3 -21.3 71 4.0 -18.3 245 9 311.9 312.2 287.6 316.6 1.40 6 400 7330 -29.1 -31.6 79 2.5 -29.5 215 27 317.2 317.3 288.6 319.6 0.68 7 300 9320 -45.3 -48.4 71 3.1 -45.4 220 44 321.5 321.5 289.4 322.1 0.16 8 250 10510 -56.1 -60.1 61 4.0 -56.2 230 48 322.7 322.7 289.6 322.8 0.05 9 232 10982 -58.1 -61.9 62 3.8 -58.2 215 48 326.6 326.6 290.8 326.8 0.04 10 200 11920 -55.9 -66.9 24 11.0 -56.1 260 19 344.2 344.2 295.4 344.3 0.02 11 150 13760 -57.3 -77.3 6 20.0 -57.6 250 31 371.4 371.4 300.8 371.4 0.01 12 100 16290 -62.5 -91.5 1 29.0 -62.7 340 5 407.0 407.0 306.1 407.0 0.00 TRP 232 10982 -58.1 -61.9 62 3.8 -58.2 215 48 326.6 326.6 290.8 326.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5483.00 m Freezing level: 766.46 mb = 2429.30 m = 7970.06 ft Wetbulb zero: 803.91 mb = 2008.67 m = 6590.03 ft Precipitable water: 0.90 inches Sfc-500 mean rel hum: 76.51 % Est. max temperature: 18.64 C = 65.56 F Sfc-Lift cond lev (LCL): 1015.39 mb = 96.66 m = 317.13 ft T: 9.75 C 700-500 lapse rate: 5.35 C/km ThetaE index: 4.82 C Layer 925.0- 700.0 mb Conv cond level (CCL): 891.31 mb = 1171.52 m = 3843.53 ft Mean mixing ratio: 7.05 g/kg Conv temperature: 18.00 C = 64.39 F Cap Strength: 2.81 C Lifted Index: 7.82 C Risk: None Lifted Index @300 mb: 11.40 C Lifted Index @700 mb: 2.81 C Showalter Index: 9.46 C Risk: None Total Totals Index: 38.40 C Risk: None Vertical Totals Index: 21.70 C Cross Totals Index: 16.70 C K Index: 18.20 Risk: < 20 % chance of thunderstorms Sweat Index: 15.00 Risk: None Energy Index: 2.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.53 J/kg Max Up Vert Vel: 5.92 m/s Conv Inhibition (B-): 10378.20 J/kg Cap Strength: 7.45 C Lift Cond Lev (LCL): 939.13 mb = 740.64 m = 2429.90 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 192 at 4 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 1020 61 65 3 -2.7 -1.3 | 33 7 -3.6 -5.6 1 1000 217 75 5 -4.8 -1.3 | 46 8 -5.7 -5.6 2 925 867 45 5 -3.5 -3.5 | 29 9 -4.4 -7.8 3 850 1561 125 3 -2.5 1.7 | 52 4 -3.3 -2.6 4 700 3120 105 5 -4.8 1.3 | 62 6 -5.7 -3.0 5 500 5700 245 9 8.2 3.8 | 274 7 7.3 -0.5 6 400 7330 215 27 15.5 22.1 | 219 23 14.6 17.8 7 300 9320 220 44 28.3 33.7 | 223 40 27.4 29.4 8 250 10510 230 48 36.8 30.9 | 234 45 35.9 26.6 9 232 10982 215 48 27.5 39.3 | 217 44 26.7 35.0 10 200 11920 260 19 18.7 3.3 | 273 18 17.8 -1.0 11 150 13760 250 31 29.1 10.6 | 257 29 28.3 6.3 12 100 16290 340 5 1.7 -4.7 | 355 9 0.8 -9.0 Wind Parameters Mean winds (0-6000m): 161.6 at 5.9 knts Storm direction: 191.6 at 4.4 knts Shear (0-3000m) pos: 0.8 neg: 0.7 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): 29.3 deg Storm rel helicity (0-3000m) pos: 9.9 neg: -5.1 tot: 4.8 m^2/s^2 ave: 1.6 10^-3 m/s^2 rel: 0.24 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 0.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.24 Bulk Shear: 7.84 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 68 5 41 8| 0.0 2.1 2.1| 2.8 -2.4 0.4 0.8 0.12| 3.4 0.4 1000 61 5 37 8| 0.5 1.0 1.5| 6.1 -5.1 1.1 1.1 0.11| 3.3 0.4 1500 66 4 39 8| 1.6 0.7 2.3| 8.8 -5.1 3.7 2.5 0.21| 3.6 0.8 2000 77 4 43 7| 1.2 0.7 1.9| 9.3 -5.1 4.2 2.1 0.24| 2.9 0.7 2500 85 4 47 7| 1.0 0.7 1.7| 9.7 -5.1 4.6 1.8 0.24| 2.5 0.6 3000 90 4 50 7| 0.8 0.7 1.5| 9.9 -5.1 4.8 1.6 0.24| 2.2 0.5 4000 103 5 58 6| 1.2 0.5 1.8| 16.2 -5.1 11.1 2.8 0.43| 2.3 1.0 5000 124 5 74 5| 1.5 0.4 1.9| 22.0 -5.1 16.9 3.4 0.57| 2.6 1.5 6000 162 6 115 3| 1.7 0.4 2.1| 27.7 -10.9 16.8 2.8 0.46| 2.9 1.4 Wrote GIF file: /home/apache/climate/data/raob//LFBD/skewt/LFBD.skewt.20251211.00.gif