UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121300.upa.cvt Date: 0000Z 13 DEC 25 Searching for LF145... Searching the city database file for: LF145 ... Date:0000Z 13 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 1005 168 8.6 8.4 99 0.2 8.5 260 1 281.3 282.5 281.4 300.2 6.89 1 1000 209 8.4 8.3 99 0.1 8.3 260 1 281.5 282.7 281.5 300.4 6.88 2 925 852 7.8 5.6 86 2.2 6.6 225 11 287.3 288.4 283.2 304.7 6.17 3 850 1546 4.0 2.3 89 1.7 3.2 230 19 290.3 291.3 283.6 305.6 5.32 4 700 3096 -6.7 -6.7 100 0.0 -6.7 215 23 295.1 295.7 283.4 304.9 3.30 5 500 5660 -19.1 -20.7 87 1.6 -19.5 220 40 309.8 310.0 286.9 314.6 1.47 6 400 7280 -30.3 -31.6 88 1.3 -30.5 210 38 315.6 315.7 288.1 318.0 0.68 7 300 9270 -44.3 -51.3 46 7.0 -44.6 205 31 322.9 322.9 289.8 323.4 0.11 8 250 10460 -54.9 -57.7 71 2.8 -54.9 210 29 324.4 324.5 290.2 324.7 0.06 9 200 11850 -66.1 -68.3 74 2.2 -66.1 235 35 328.1 328.1 291.2 328.2 0.02 10 199 11880 -66.3 -68.4 75 2.1 -66.3 235 36 328.2 328.2 291.2 328.3 0.02 11 150 13640 -56.1 -71.1 14 15.0 -56.4 225 36 373.4 373.4 301.2 373.5 0.02 12 100 16160 -61.7 -88.7 2 27.0 -61.9 230 29 408.5 408.5 306.3 408.5 0.00 TRP 199 11880 -66.3 -68.4 75 2.1 -66.3 235 36 328.2 328.2 291.2 328.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5451.00 m Freezing level: 793.93 mb = 2125.44 m = 6973.14 ft Wetbulb zero: 801.77 mb = 2012.32 m = 6602.03 ft Precipitable water: 0.89 inches Sfc-500 mean rel hum: 92.95 % Est. max temperature: 17.39 C = 63.30 F Sfc-Lift cond lev (LCL): 1001.95 mb = 192.92 m = 632.94 ft T: 8.48 C 700-500 lapse rate: 4.84 C/km ThetaE index: 0.67 C Layer 700.0- 500.0 mb Conv cond level (CCL): 878.12 mb = 1278.83 m = 4195.57 ft Mean mixing ratio: 6.44 g/kg Conv temperature: 16.43 C = 61.57 F Cap Strength: 2.05 C Lifted Index: 7.83 C Risk: None Lifted Index @300 mb: 14.30 C Lifted Index @700 mb: 1.07 C Showalter Index: 6.08 C Risk: None Total Totals Index: 44.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.10 C Cross Totals Index: 21.40 C K Index: 25.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 105.60 Risk: None Energy Index: 1.75 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.35 J/kg Max Up Vert Vel: 6.83 m/s Conv Inhibition (B-): 11040.48 J/kg Cap Strength: 7.60 C Lift Cond Lev (LCL): 934.84 mb = 764.72 m = 2508.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 at 19 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 1005 168 260 1 1.0 0.2 | 69 18 -16.5 -6.2 1 1000 209 260 1 1.0 0.2 | 69 18 -16.5 -6.2 2 925 852 225 11 7.8 7.8 | 98 10 -9.8 1.4 3 850 1546 230 19 14.6 12.2 | 153 7 -3.0 5.8 4 700 3096 215 23 13.2 18.8 | 161 13 -4.3 12.4 5 500 5660 220 40 25.7 30.6 | 199 26 8.2 24.2 6 400 7280 210 38 19.0 32.9 | 183 27 1.5 26.5 7 300 9270 205 31 13.1 28.1 | 168 22 -4.4 21.7 8 250 10460 210 29 14.5 25.1 | 171 19 -3.0 18.7 9 200 11850 235 35 28.7 20.1 | 219 18 11.1 13.7 10 199 11880 235 36 29.5 20.6 | 220 19 12.0 14.2 11 150 13640 225 36 25.5 25.5 | 203 21 7.9 19.0 12 100 16160 230 29 22.2 18.6 | 201 13 4.7 12.2 Wind Parameters Mean winds (0-6000m): 219.9 at 24.9 knts Storm direction: 249.9 at 18.7 knts Shear (0-3000m) pos: 0.8 neg: 3.2 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 93.2 deg Storm rel helicity (0-3000m) pos: 35.2 neg: -0.3 tot: 34.9 m^2/s^2 ave: 11.6 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.41 Bulk Shear: 57.65 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 ------------------------------------------------------------------------------- 500 238 4 73 15| 0.0 7.5 7.5| 8.7 -0.3 8.4 16.7 0.34| 7.7 2.6 1000 227 8 85 12| 0.0 7.1 7.1| 23.6 -0.3 23.3 23.3 0.59| 7.4 4.4 1500 228 11 96 9| 1.6 4.7 6.3| 31.7 -0.3 31.4 20.9 0.67| 6.6 4.4 2000 228 13 108 8| 1.2 3.9 5.1| 33.0 -0.3 32.7 16.3 0.63| 5.5 3.5 2500 226 15 120 8| 1.0 3.4 4.4| 33.7 -0.3 33.4 13.4 0.59| 4.9 2.9 3000 223 16 130 8| 0.8 3.2 4.0| 35.2 -0.3 34.9 11.6 0.55| 4.5 2.4 4000 221 19 146 9| 1.5 2.4 3.8| 56.2 -0.3 55.9 14.0 0.59| 4.2 2.5 5000 220 22 162 11| 1.9 1.9 3.8| 78.8 -0.3 78.4 15.7 0.60| 4.1 2.4 6000 220 25 173 13| 1.8 1.6 3.4| 90.5 -15.4 75.1 12.5 0.52| 3.9 2.0 Wrote GIF file: /home/apache/climate/data/raob//LF145/skewt/LF145.skewt.20251213.00.gif