UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for LF145... Searching the city database file for: LF145 ... Date:0000Z 27 APR 25 Station: LF145 WMO ident: 7145 Latitude: 48.77 Longitude: 2.02 ------------------------------------------------------------------------------- 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 1001 169 11.6 7.7 77 3.9 9.5 345 9 284.7 285.8 282.6 303.0 6.59 1 1000 177 12.2 9.3 82 2.9 10.6 345 9 285.4 286.6 283.7 305.8 7.36 2 925 830 10.4 7.2 81 3.2 8.6 45 17 289.9 291.2 285.1 309.5 6.90 3 850 1527 4.8 3.4 91 1.4 4.1 55 11 291.2 292.2 284.4 307.7 5.75 4 700 3082 -3.5 -8.4 69 4.9 -5.4 50 15 298.6 299.1 284.4 307.4 2.90 5 500 5650 -20.7 -31.7 37 11.0 -22.5 40 19 307.8 307.9 285.2 309.6 0.54 6 400 7250 -33.5 -45.5 29 12.0 -34.4 20 25 311.4 311.5 286.1 312.0 0.16 7 300 9220 -47.3 -60.3 21 13.0 -47.7 5 27 318.7 318.7 288.3 318.8 0.04 8 250 10400 -56.3 -64.3 36 8.0 -56.4 355 19 322.4 322.4 289.5 322.5 0.03 9 223 11119 -59.9 -66.9 40 7.0 -60.0 355 11 327.5 327.6 291.0 327.6 0.02 10 200 11800 -59.1 -69.1 26 10.0 -59.2 310 7 339.2 339.2 294.1 339.2 0.02 11 150 13610 -56.5 -75.5 7 19.0 -56.8 290 11 372.7 372.7 301.1 372.8 0.01 12 100 16190 -55.9 -86.9 1 31.0 -56.4 325 5 419.7 419.7 307.7 419.7 0.00 TRP 223 11119 -59.9 -66.9 40 7.0 -60.0 355 11 327.5 327.6 291.0 327.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5473.00 m Freezing level: 763.25 mb = 2426.28 m = 7960.13 ft Wetbulb zero: 785.60 mb = 2158.02 m = 7080.03 ft Precipitable water: 0.82 inches Sfc-500 mean rel hum: 67.54 % Est. max temperature: 18.09 C = 64.56 F Sfc-Lift cond lev (LCL): 943.67 mb = 662.60 m = 2173.86 ft T: 10.86 C 700-500 lapse rate: 6.70 C/km ThetaE index: 2.11 C Layer 850.0- 500.0 mb Conv cond level (CCL): 873.73 mb = 1300.03 m = 4265.13 ft Mean mixing ratio: 7.02 g/kg Conv temperature: 17.72 C = 63.90 F Cap Strength: 1.94 C Lifted Index: 2.83 C Risk: None Lifted Index @300 mb: 7.76 C Lifted Index @700 mb: 1.58 C Showalter Index: 3.07 C Risk: None Total Totals Index: 49.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 24.10 C K Index: 24.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 93.80 Risk: None Energy Index: 0.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.80 J/kg Max Up Vert Vel: 5.44 m/s Conv Inhibition (B-): 9113.00 J/kg Cap Strength: 2.75 C Lift Cond Lev (LCL): 907.24 mb = 989.83 m = 3247.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 74 at 12 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 1001 169 345 9 2.3 -8.7 | 292 15 13.5 -5.5 1 1000 177 345 9 2.3 -8.7 | 292 15 13.5 -5.5 2 925 830 45 17 -12.0 -12.0 | 5 9 -0.8 -8.8 3 850 1527 55 11 -9.0 -6.3 | 325 4 2.2 -3.1 4 700 3082 50 15 -11.5 -9.6 | 3 6 -0.3 -6.5 5 500 5650 40 19 -12.2 -14.6 | 5 11 -1.0 -11.4 6 400 7250 20 25 -8.6 -23.5 | 353 20 2.6 -20.3 7 300 9220 5 27 -2.4 -26.9 | 340 25 8.8 -23.7 8 250 10400 355 19 1.7 -18.9 | 321 20 12.8 -15.8 9 223 11119 355 11 1.0 -11.0 | 303 14 12.1 -7.8 10 200 11800 310 7 5.4 -4.5 | 275 17 16.5 -1.3 11 150 13610 290 11 10.3 -3.8 | 272 22 21.5 -0.6 12 100 16190 325 5 2.9 -4.1 | 274 14 14.0 -0.9 Wind Parameters Mean winds (0-6000m): 44.1 at 15.5 knts Storm direction: 74.1 at 11.6 knts Shear (0-3000m) pos: 2.0 neg: 0.7 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 70.9 deg Storm rel helicity (0-3000m) pos: 49.2 neg: -4.9 tot: 44.3 m^2/s^2 ave: 14.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.71 Bulk Shear: 8.64 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 13 12 315 12| 11.1 0.0 11.1| 34.9 0.0 34.9 69.8 0.93| 11.6 10.7 1000 34 14 337 9| 6.7 0.0 6.7| 45.4 -2.0 43.4 43.4 0.72| 9.6 7.0 1500 40 13 339 8| 4.0 0.0 4.0| 45.7 -4.9 40.8 27.2 0.52| 7.6 3.9 2000 43 13 340 7| 3.0 0.3 3.4| 46.9 -4.9 42.1 21.0 0.54| 6.0 3.2 2500 45 13 342 6| 2.4 0.5 3.0| 48.2 -4.9 43.3 17.3 0.55| 5.1 2.8 3000 46 13 345 6| 2.0 0.7 2.7| 49.2 -4.9 44.3 14.8 0.54| 4.5 2.4 4000 47 14 351 6| 1.5 0.7 2.3| 49.7 -4.9 44.9 11.2 0.52| 3.6 1.9 5000 46 15 355 7| 1.2 0.8 2.0| 49.9 -4.9 45.0 9.0 0.48| 3.1 1.5 6000 44 15 357 8| 1.0 1.0 2.0| 49.9 -7.9 42.0 7.0 0.40| 2.9 1.2 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20250427.00.gif