UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122512.upa.cvt Date: 1200Z 25 DEC 25 Searching for LF145... Searching the city database file for: LF145 ... Date:1200Z 25 DEC 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 171 1.2 -4.8 64 6.0 -1.0 70 13 274.3 274.7 272.1 281.6 2.67 1 1000 179 1.0 -4.0 69 5.0 -0.9 70 13 274.1 274.6 272.3 281.9 2.84 2 925 798 -3.9 -3.9 100 0.0 -3.9 95 17 275.3 275.8 273.3 283.8 3.09 3 850 1484 4.4 -1.6 65 6.0 1.7 155 21 290.8 291.5 282.3 302.4 4.00 4 700 3026 -7.9 -9.5 88 1.6 -8.5 140 19 293.7 294.2 282.0 301.7 2.66 5 500 5550 -24.1 -32.1 48 8.0 -25.3 135 35 303.7 303.8 283.5 305.4 0.52 6 400 7140 -37.5 -48.5 31 11.0 -38.1 135 31 306.3 306.3 284.1 306.7 0.12 7 300 9050 -52.9 -61.9 33 9.0 -53.1 115 31 310.8 310.8 285.7 310.9 0.03 8 250 10210 -58.1 -71.1 17 13.0 -58.2 105 36 319.7 319.7 288.6 319.7 0.01 9 225 10874 -59.7 -73.7 15 14.0 -59.8 95 46 327.0 327.0 290.9 327.1 0.01 10 200 11620 -56.1 -75.1 8 19.0 -56.3 110 40 343.9 343.9 295.3 344.0 0.01 11 150 13460 -55.1 -79.1 4 24.0 -55.5 90 35 375.1 375.1 301.5 375.2 0.01 12 100 16060 -54.1 -85.1 1 31.0 -54.7 75 25 423.2 423.2 308.1 423.2 0.00 TRP 225 10874 -59.7 -73.7 15 14.0 -59.8 95 46 327.0 327.0 290.9 327.1 0.01 WND Sounding variables and indices 1000-500 mb thick: 5371.00 m Freezing level: 984.69 mb = 305.33 m = 1001.72 ft Freezing level: 889.76 mb = 1120.34 m = 3675.60 ft Freezing level: 796.34 mb = 2035.61 m = 6678.43 ft Wetbulb zero: Below ground Precipitable water: 0.54 inches Sfc-500 mean rel hum: 74.00 % Est. max temperature: 17.47 C = 63.45 F Sfc-Lift cond lev (LCL): 911.67 mb = 915.73 m = 3004.34 ft T: -2.48 C 700-500 lapse rate: 6.42 C/km ThetaE index: 0.69 C Layer 700.0- 500.0 mb Conv cond level (CCL): 700.73 mb = 3017.69 m = 9900.45 ft Mean mixing ratio: 3.03 g/kg Conv temperature: 20.66 C = 69.18 F Cap Strength: 12.93 C Lifted Index: 16.84 C Risk: None Lifted Index @300 mb: 19.15 C Lifted Index @700 mb: 12.00 C Showalter Index: 3.21 C Risk: None Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 22.50 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 117.00 Risk: None Energy Index: 0.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.69 J/kg Max Up Vert Vel: 5.78 m/s Conv Inhibition (B-): 17356.65 J/kg Cap Strength: 16.59 C Lift Cond Lev (LCL): 918.48 mb = 855.40 m = 2806.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 165 at 18 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 171 70 13 -12.2 -4.4 | 19 23 -7.7 -21.8 1 1000 179 70 13 -12.2 -4.4 | 19 23 -7.7 -21.8 2 925 798 95 17 -16.9 1.5 | 38 20 -12.4 -15.9 3 850 1484 155 21 -8.9 19.0 | 111 5 -4.3 1.7 4 700 3026 140 19 -12.2 14.6 | 70 8 -7.7 -2.8 5 500 5550 135 35 -24.7 24.7 | 110 22 -20.2 7.4 6 400 7140 135 31 -21.9 21.9 | 105 18 -17.4 4.6 7 300 9050 115 31 -28.1 13.1 | 80 24 -23.5 -4.2 8 250 10210 105 36 -34.8 9.3 | 75 31 -30.2 -8.0 9 225 10874 95 46 -45.8 4.0 | 72 43 -41.3 -13.3 10 200 11620 110 40 -37.6 13.7 | 84 33 -33.0 -3.7 11 150 13460 90 35 -35.0 0.0 | 60 35 -30.4 -17.3 12 100 16060 75 25 -24.1 -6.5 | 39 31 -19.6 -23.8 Wind Parameters Mean winds (0-6000m): 135.3 at 23.9 knts Storm direction: 165.3 at 17.9 knts Shear (0-3000m) pos: 4.0 neg: 0.8 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 56.2 deg Storm rel helicity (0-3000m) pos: 83.5 neg: -6.4 tot: 77.1 m^2/s^2 ave: 25.7 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.9 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.33 Bulk Shear: 50.04 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 81 15 27 22| 6.1 0.0 6.1| 32.4 0.0 32.4 64.9 0.93| 6.1 5.7 1000 95 16 36 20| 8.4 0.0 8.4| 69.3 0.0 69.3 69.3 0.76| 9.4 7.1 1500 115 18 49 15| 7.9 0.0 7.9| 82.0 -0.4 81.6 54.4 0.70| 9.6 6.7 2000 126 18 57 12| 6.0 0.5 6.4| 82.0 -2.6 79.4 39.7 0.60| 7.7 4.6 2500 131 19 61 11| 4.8 0.8 5.5| 82.0 -4.9 77.1 30.8 0.53| 6.5 3.4 3000 133 19 64 10| 4.0 0.8 4.8| 83.5 -6.4 77.1 25.7 0.49| 5.8 2.9 4000 135 20 70 10| 3.0 1.1 4.0| 95.4 -6.4 89.0 22.3 0.52| 5.2 2.7 5000 135 22 80 11| 2.4 1.5 3.8|106.1 -6.4 99.7 19.9 0.50| 4.8 2.4 6000 135 24 88 12| 2.0 1.3 3.3|109.5 -10.0 99.5 16.6 0.46| 4.3 2.0 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251225.12.gif