UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120412.upa.cvt Date: 1200Z 4 DEC 25 Searching for LEMD... Searching the city database file for: LEMD ... Date:1200Z 4 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 139 SFC 943 582 9.6 6.5 81 3.1 7.9 250 13 287.5 288.7 283.7 305.7 6.44 2 925 789 8.0 4.7 80 3.3 6.3 255 23 287.5 288.5 283.0 303.9 5.79 3 850 1482 3.0 1.0 87 2.0 2.1 285 29 289.3 290.1 282.7 303.2 4.84 4 700 3024 -7.3 -7.5 98 0.2 -7.4 300 33 294.4 295.0 282.8 303.7 3.11 5 500 5590 -19.3 -32.3 31 13.0 -21.5 300 46 309.5 309.6 285.8 311.3 0.51 6 400 7200 -32.5 -39.5 50 7.0 -33.2 315 81 312.7 312.8 286.7 313.9 0.31 7 300 9160 -48.1 -52.8 58 4.7 -48.3 315 93 317.6 317.6 288.1 317.9 0.10 8 271 9825 -53.7 -57.9 60 4.3 -53.8 315 95 318.8 318.8 288.4 319.0 0.06 9 250 10340 -58.1 -62.0 61 3.9 -58.2 315 91 319.7 319.7 288.7 319.8 0.04 10 219 11158 -64.7 -68.5 59 3.8 -64.7 310 81 321.8 321.8 289.3 321.9 0.02 11 200 11710 -64.9 -74.9 24 10.0 -65.0 305 83 330.0 330.0 291.7 330.0 0.01 12 150 13490 -60.1 -83.1 3 23.0 -60.3 300 62 366.5 366.5 299.9 366.5 0.00 13 100 16000 -63.9 -85.9 3 22.0 -64.1 285 38 404.3 404.3 305.7 404.3 0.00 TRP 219 11158 -64.7 -68.5 59 3.8 -64.7 310 81 321.8 321.8 289.3 321.9 0.02 WND 271 9825 -53.7 -57.9 60 4.3 -53.8 315 95 318.8 318.8 288.4 319.0 0.06 Sounding variables and indices 1000-500 mb thick: 5451.00 m Freezing level: 806.31 mb = 1931.13 m = 6335.64 ft Wetbulb zero: 817.08 mb = 1795.74 m = 5891.45 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 76.09 % Est. max temperature: 13.16 C = 55.68 F Sfc-Lift cond lev (LCL): 899.59 mb = 1017.29 m = 3337.53 ft T: 6.35 C 700-500 lapse rate: 4.68 C/km ThetaE index: 2.53 C Layer 925.0- 700.0 mb Conv cond level (CCL): 840.19 mb = 1574.24 m = 5164.76 ft Mean mixing ratio: 5.41 g/kg Conv temperature: 11.63 C = 52.94 F Cap Strength: 0.79 C Lifted Index: 7.11 C Risk: None Lifted Index @300 mb: 9.95 C Lifted Index @700 mb: 0.06 C Showalter Index: 7.46 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 22.30 C Cross Totals Index: 20.30 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 116.00 Risk: None Energy Index: 1.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.85 J/kg Max Up Vert Vel: 3.42 m/s Conv Inhibition (B-): 9384.54 J/kg Cap Strength: 6.79 C Lift Cond Lev (LCL): 856.26 mb = 1421.86 m = 4664.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 29 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 ---------------------------------------------------------- 0 943 582 250 13 12.2 4.4 | 174 29 -3.2 28.7 1 925 789 255 23 22.2 6.0 | 193 31 6.8 30.2 2 850 1482 285 29 28.0 -7.5 | 217 21 12.6 16.7 3 700 3024 300 33 28.6 -16.5 | 240 15 13.1 7.7 4 500 5590 300 46 39.8 -23.0 | 267 24 24.4 1.2 5 400 7200 315 81 57.3 -57.3 | 308 53 41.8 -33.1 6 300 9160 315 93 65.8 -65.8 | 310 65 50.3 -41.6 7 271 9825 315 95 67.2 -67.2 | 310 67 51.7 -43.0 8 250 10340 315 91 64.3 -64.3 | 309 63 48.9 -40.1 9 219 11158 310 81 62.0 -52.1 | 301 54 46.6 -27.9 10 200 11710 305 83 68.0 -47.6 | 294 58 52.5 -23.4 11 150 13490 300 62 53.7 -31.0 | 280 39 38.3 -6.8 12 100 16000 285 38 36.7 -9.8 | 236 26 21.3 14.4 Wind Parameters Mean winds (0-6000m): 297.5 at 38.3 knts Storm direction: 327.5 at 28.7 knts Shear (0-3000m) pos: 4.6 neg: 0.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 74.4 deg Storm rel helicity (0-3000m) pos: 197.1 neg: 0.0 tot: 197.1 m^2/s^2 ave: 65.7 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.07 Bulk Shear: 82.86 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 ------------------------------------------------------------------------------- 500 259 22 192 29| 14.1 0.0 14.1|113.1 0.0 113.1 226.2 0.91| 16.4 14.9 1000 271 25 202 26| 10.4 0.0 10.4|156.0 0.0 156.0 156.0 0.84| 13.1 11.0 1500 278 27 208 23| 7.7 0.0 7.7|167.3 0.0 167.3 111.5 0.83| 9.7 8.1 2000 283 28 213 22| 6.3 0.0 6.3|178.1 0.0 178.1 89.0 0.83| 8.0 6.6 2500 286 29 217 20| 5.5 0.0 5.5|188.2 0.0 188.2 75.3 0.83| 7.0 5.8 3000 289 30 221 19| 4.6 0.4 5.0|197.1 0.0 197.1 65.7 0.83| 6.3 5.2 4000 292 32 230 18| 3.5 1.0 4.4|214.9 0.0 214.9 53.7 0.81| 5.4 4.4 5000 295 34 238 19| 2.8 1.3 4.1|232.6 0.0 232.6 46.5 0.79| 4.8 3.8 6000 297 38 251 20| 4.3 1.1 5.4|371.3 0.0 371.3 61.9 0.76| 6.0 4.6 Wrote GIF file: /home/apache/climate/data/raob//LEMD/skewt/LEMD.skewt.20251204.12.gif