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 LFME... Searching the city database file for: LFME ... Date:1200Z 4 DEC 25 Station: LFME WMO ident: 7645 Latitude: 43.87 Longitude: 4.40 Elevation: 62.00 ------------------------------------------------------------------------------- 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 1003 62 11.0 5.0 66 6.0 7.9 245 1 283.9 284.8 281.0 299.1 5.45 1 1000 85 8.4 4.4 76 4.0 6.4 215 1 281.5 282.4 279.6 296.0 5.24 2 925 725 5.0 -3.0 56 8.0 1.6 230 11 284.4 285.0 278.6 293.9 3.31 3 850 1413 2.6 -2.4 70 5.0 0.4 275 15 288.9 289.5 281.2 299.8 3.77 4 700 2950 -7.5 -10.0 82 2.5 -8.4 265 9 294.2 294.6 282.1 301.9 2.55 5 500 5480 -23.7 -35.7 32 12.0 -25.3 275 19 304.1 304.2 283.5 305.4 0.36 6 400 7070 -36.7 -40.9 65 4.2 -37.0 280 17 307.3 307.3 284.7 308.2 0.27 7 300 8990 -53.5 -60.5 42 7.0 -53.7 265 17 309.9 309.9 285.4 310.1 0.04 8 250 10150 -59.3 -65.3 46 6.0 -59.4 210 23 317.9 317.9 288.1 318.0 0.02 9 227 10751 -62.3 -72.3 25 10.0 -62.4 235 23 322.2 322.2 289.5 322.3 0.01 10 200 11540 -59.3 -77.3 8 18.0 -59.5 255 23 338.9 338.9 294.0 338.9 0.01 11 150 13350 -56.9 -85.9 1 29.0 -57.2 270 21 372.0 372.0 300.9 372.1 0.00 12 100 15910 -59.1 -89.1 1 30.0 -59.5 250 27 413.5 413.5 306.9 413.5 0.00 TRP 227 10751 -62.3 -72.3 25 10.0 -62.4 235 23 322.2 322.2 289.5 322.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5395.00 m Freezing level: 811.39 mb = 1808.66 m = 5933.86 ft Wetbulb zero: 842.66 mb = 1481.63 m = 4860.94 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 64.18 % Est. max temperature: 15.78 C = 60.41 F Sfc-Lift cond lev (LCL): 915.73 mb = 806.95 m = 2647.45 ft T: 4.71 C 700-500 lapse rate: 6.40 C/km ThetaE index: 5.26 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 768.41 mb = 2211.88 m = 7256.73 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 18.77 C = 65.78 F Cap Strength: 4.90 C Lifted Index: 8.83 C Risk: None Lifted Index @300 mb: 10.64 C Lifted Index @700 mb: 4.90 C Showalter Index: 5.40 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 21.30 C K Index: 21.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 49.00 Risk: None Energy Index: 1.14 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.27 J/kg Max Up Vert Vel: 4.75 m/s Conv Inhibition (B-): 12397.12 J/kg Cap Strength: 8.62 C Lift Cond Lev (LCL): 867.28 mb = 1249.25 m = 4098.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 299 at 10 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 1003 62 245 1 0.9 0.4 | 124 9 -7.6 5.1 1 1000 85 215 1 0.6 0.8 | 125 10 -8.0 5.5 2 925 725 230 11 8.4 7.1 | 179 12 -0.1 11.8 3 850 1413 275 15 14.9 -1.3 | 242 7 6.4 3.4 4 700 2950 265 9 9.0 0.8 | 184 5 0.4 5.5 5 500 5480 275 19 18.9 -1.7 | 254 11 10.4 3.0 6 400 7070 280 17 16.7 -3.0 | 258 8 8.2 1.7 7 300 8990 265 17 16.9 1.5 | 234 10 8.4 6.2 8 250 10150 210 23 11.5 19.9 | 187 25 3.0 24.6 9 227 10751 235 23 18.8 13.2 | 210 21 10.3 17.9 10 200 11540 255 23 22.2 6.0 | 232 17 13.7 10.6 11 150 13350 270 21 21.0 -0.0 | 249 13 12.5 4.7 12 100 15910 250 27 25.4 9.2 | 230 22 16.8 13.9 Wind Parameters Mean winds (0-6000m): 268.8 at 13.0 knts Storm direction: 298.8 at 9.7 knts Shear (0-3000m) pos: 1.8 neg: 1.2 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 65.3 deg Storm rel helicity (0-3000m) pos: 51.6 neg: -9.1 tot: 42.6 m^2/s^2 ave: 14.2 10^-3 m/s^2 rel: 0.52 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.82 Bulk Shear: 13.76 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 ------------------------------------------------------------------------------- 500 225 5 146 10| 0.0 7.7 7.7| 19.8 0.0 19.8 39.5 0.97| 7.9 7.7 1000 235 8 167 9| 3.3 3.9 7.2| 39.5 0.0 39.5 39.5 0.95| 7.8 7.4 1500 252 10 187 8| 3.7 2.6 6.3| 51.1 -0.7 50.4 33.6 0.90| 7.4 6.6 2000 258 11 197 7| 2.8 1.8 4.6| 51.1 -3.9 47.2 23.6 0.74| 6.1 4.5 2500 261 11 200 7| 2.2 1.4 3.7| 51.1 -6.9 44.2 17.7 0.60| 5.3 3.2 3000 262 11 199 7| 1.8 1.2 3.1| 51.6 -9.1 42.6 14.2 0.52| 4.7 2.5 4000 264 11 202 6| 1.8 0.9 2.8| 57.6 -9.1 48.5 12.1 0.57| 4.1 2.3 5000 266 12 211 6| 1.9 0.7 2.6| 64.2 -9.1 55.1 11.0 0.59| 3.7 2.2 6000 269 13 222 7| 1.7 0.6 2.3| 68.1 -9.1 59.0 9.8 0.59| 3.3 1.9 Wrote GIF file: /home/apache/climate/data/raob//LFME/skewt/LFME.skewt.20251204.12.gif