UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for LEMD... Searching the city database file for: LEMD ... Date:1200Z 6 DEC 25 Station: LEMD WMO ident: 8221 Latitude: 40.45 Longitude: -3.55 Elevation: 582.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 188 SFC 949 582 14.4 9.8 74 4.6 11.7 235 13 291.9 293.3 287.0 314.8 8.03 2 925 845 10.8 9.1 89 1.7 9.8 245 19 290.4 291.7 286.2 312.6 7.86 3 850 1551 8.4 6.3 87 2.1 7.2 290 11 294.9 296.2 287.2 315.4 7.06 4 700 3130 0.8 -9.2 47 10.0 -3.2 280 29 303.4 303.9 286.0 311.8 2.72 5 500 5750 -16.7 -38.7 13 22.0 -20.1 300 23 312.7 312.7 286.6 313.6 0.27 6 400 7390 -27.1 -42.1 23 15.0 -28.8 300 33 319.8 319.8 288.9 320.6 0.24 7 300 9390 -44.3 -64.3 9 20.0 -44.9 310 27 322.9 322.9 289.7 323.0 0.02 8 250 10580 -55.1 -67.1 21 12.0 -55.3 310 33 324.1 324.2 290.0 324.2 0.02 9 200 11970 -64.7 -69.7 50 5.0 -64.7 285 62 330.3 330.3 291.8 330.4 0.02 10 171 12910 -70.1 -75.1 48 5.0 -70.1 285 56 336.5 336.5 293.4 336.5 0.01 11 150 13690 -68.4 -78.0 24 9.6 -68.4 285 66 352.3 352.3 297.1 352.3 0.01 12 100 16130 -63.1 -87.1 3 24.0 -63.3 280 29 405.8 405.8 306.0 405.8 0.00 TRP 171 12910 -70.1 -75.1 48 5.0 -70.1 285 56 336.5 336.5 293.4 336.5 0.01 WND 150 13690 -68.4 -78.0 24 9.6 -68.4 285 66 352.3 352.3 297.1 352.3 0.01 Sounding variables and indices 1000-500 mb thick: 5562.00 m Freezing level: 690.86 mb = 3249.77 m = 10661.85 ft Wetbulb zero: 746.06 mb = 2611.70 m = 8568.46 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 50.91 % Est. max temperature: 20.06 C = 68.10 F Sfc-Lift cond lev (LCL): 885.69 mb = 1207.63 m = 3961.99 ft T: 9.57 C 700-500 lapse rate: 6.68 C/km ThetaE index: 3.58 C Layer 700.0- 500.0 mb Conv cond level (CCL): 812.79 mb = 1915.01 m = 6282.78 ft Mean mixing ratio: 7.57 g/kg Conv temperature: 19.32 C = 66.78 F Cap Strength: 3.01 C Lifted Index: 3.14 C Risk: None Lifted Index @300 mb: 6.66 C Lifted Index @700 mb: 3.01 C Showalter Index: 2.32 C Risk: Showers probable Total Totals Index: 48.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 23.00 C K Index: 21.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 120.60 Risk: None Energy Index: -0.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.47 J/kg Max Up Vert Vel: 5.56 m/s Conv Inhibition (B-): 6354.39 J/kg Cap Strength: 3.08 C Lift Cond Lev (LCL): 868.48 mb = 1371.42 m = 4499.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 316 at 17 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 ---------------------------------------------------------- 0 949 582 235 13 10.6 7.5 | 177 20 -1.2 19.8 1 925 845 245 19 17.2 8.0 | 195 21 5.4 20.4 2 850 1551 290 11 10.3 -3.8 | 170 9 -1.5 8.6 3 700 3130 280 29 28.6 -5.0 | 246 18 16.7 7.3 4 500 5750 300 23 19.9 -11.5 | 264 8 8.1 0.9 5 400 7390 300 33 28.6 -16.5 | 284 17 16.8 -4.1 6 300 9390 310 27 20.7 -17.4 | 299 10 8.9 -5.0 7 250 10580 310 33 25.3 -21.2 | 303 16 13.5 -8.9 8 200 11970 285 62 59.9 -16.0 | 274 48 48.1 -3.7 9 171 12910 285 56 54.1 -14.5 | 273 42 42.3 -2.1 10 150 13690 285 66 63.8 -17.1 | 275 52 51.9 -4.7 11 100 16130 280 29 28.6 -5.0 | 246 18 16.7 7.3 Wind Parameters Mean winds (0-6000m): 286.3 at 22.8 knts Storm direction: 316.3 at 17.1 knts Shear (0-3000m) pos: 2.2 neg: 3.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 72.5 deg Storm rel helicity (0-3000m) pos: 75.8 neg: -12.8 tot: 63.0 m^2/s^2 ave: 21.0 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.56 Bulk Shear: 27.72 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 ------------------------------------------------------------------------------- 500 247 17 191 19| 7.4 0.0 7.4| 36.8 -0.4 36.4 72.8 0.60| 11.6 7.0 1000 257 15 190 16| 5.8 0.0 5.8| 36.8 -12.8 24.0 24.0 0.12| 10.3 1.3 1500 267 15 193 13| 3.9 2.0 5.8| 49.1 -12.8 36.2 24.2 0.31| 8.8 2.8 2000 273 16 200 12| 2.9 3.0 5.9| 60.9 -12.8 48.0 24.0 0.39| 8.1 3.2 2500 275 18 210 12| 2.3 3.6 5.9| 71.1 -12.8 58.2 23.3 0.40| 7.7 3.1 3000 277 20 218 13| 2.2 3.0 5.2| 75.8 -12.8 63.0 21.0 0.40| 6.8 2.7 4000 280 22 227 13| 2.1 2.2 4.3| 82.0 -12.8 69.2 17.3 0.40| 5.6 2.3 5000 283 22 234 12| 2.0 1.8 3.7| 85.7 -12.8 72.9 14.6 0.40| 4.9 1.9 6000 286 23 239 12| 1.7 1.7 3.4| 92.6 -12.8 79.8 13.3 0.40| 4.6 1.8 Wrote GIF file: /home/apache/climate/data/raob//LEMD/skewt/LEMD.skewt.20251206.12.gif