UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 10 DEC 25 Station: LFRB WMO ident: 7110 Latitude: 48.45 Longitude: -4.42 Elevation: 103.00 ------------------------------------------------------------------------------- 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 1000 103 10.6 7.5 81 3.1 8.9 235 13 283.8 284.9 282.1 301.8 6.51 1 925 744 7.8 4.8 81 3.0 6.2 240 29 287.3 288.3 282.9 303.8 5.83 2 850 1435 3.0 -1.5 72 4.5 1.0 235 29 289.3 290.0 281.7 300.9 4.03 3 700 2982 -6.5 -13.5 58 7.0 -8.8 235 36 295.3 295.6 281.8 301.2 1.93 4 500 5520 -21.1 -50.1 6 29.0 -23.8 220 69 307.3 307.3 284.4 307.6 0.08 5 400 7130 -33.1 -35.7 77 2.6 -33.4 210 89 312.0 312.1 286.6 313.6 0.46 6 300 9120 -42.7 -59.7 14 17.0 -43.3 210 116 325.2 325.2 290.4 325.3 0.04 7 295 9233 -43.4 -60.4 14 17.0 -44.0 210 118 325.8 325.8 290.6 326.0 0.04 8 250 10330 -49.9 -66.9 12 17.0 -50.3 215 95 331.9 331.9 292.2 332.0 0.02 9 235 10734 -51.5 -69.5 10 18.0 -51.8 210 93 335.4 335.4 293.2 335.4 0.01 10 200 11790 -48.3 -78.3 2 30.0 -48.9 210 64 356.3 356.3 298.0 356.3 0.00 11 150 13650 -53.5 -84.5 1 31.0 -53.9 245 52 377.9 377.9 301.9 377.9 0.00 12 100 16220 -61.3 -90.3 1 29.0 -61.6 200 23 409.3 409.3 306.4 409.3 0.00 TRP 235 10734 -51.5 -69.5 10 18.0 -51.8 210 93 335.4 335.4 293.2 335.4 0.01 WND 295 9233 -43.4 -60.4 14 17.0 -44.0 210 118 325.8 325.8 290.6 326.0 0.04 Sounding variables and indices 1000-500 mb thick: 5417.00 m Freezing level: 802.63 mb = 1923.53 m = 6310.70 ft Wetbulb zero: 834.83 mb = 1578.47 m = 5178.66 ft Precipitable water: 0.61 inches Sfc-500 mean rel hum: 51.97 % Est. max temperature: 16.14 C = 61.05 F Sfc-Lift cond lev (LCL): 954.10 mb = 489.31 m = 1605.32 ft T: 8.91 C 700-500 lapse rate: 5.75 C/km ThetaE index: 2.83 C Layer 850.0- 700.0 mb Conv cond level (CCL): 869.92 mb = 1245.68 m = 4086.82 ft Mean mixing ratio: 6.00 g/kg Conv temperature: 15.59 C = 60.07 F Cap Strength: 1.69 C Lifted Index: 5.86 C Risk: None Lifted Index @300 mb: 15.93 C Lifted Index @700 mb: 1.27 C Showalter Index: 7.24 C Risk: None Total Totals Index: 43.70 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 19.60 C K Index: 15.60 Risk: < 20 % chance of thunderstorms Sweat Index: 127.00 Risk: None Energy Index: 1.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.42 J/kg Max Up Vert Vel: 4.98 m/s Conv Inhibition (B-): 12563.63 J/kg Cap Strength: 5.70 C Lift Cond Lev (LCL): 905.24 mb = 920.49 m = 3019.94 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 33 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 1000 103 235 13 10.6 7.5 | 91 21 -21.3 0.3 1 1000 96 235 13 10.6 7.5 | 91 21 -21.3 0.3 2 925 744 240 29 25.1 14.5 | 137 10 -6.8 7.4 3 850 1435 235 29 23.8 16.6 | 139 13 -8.2 9.5 4 700 2982 235 36 29.5 20.6 | 170 14 -2.5 13.5 5 500 5520 220 69 44.4 52.9 | 195 47 12.4 45.7 6 400 7130 210 89 44.5 77.1 | 190 71 12.5 69.9 7 300 9120 210 116 58.0 100.5 | 196 97 26.0 93.3 8 295 9233 210 118 59.0 102.2 | 196 99 27.0 95.0 9 250 10330 215 95 54.5 77.8 | 198 74 22.5 70.7 10 235 10734 210 93 46.5 80.5 | 191 75 14.5 73.4 11 200 11790 210 64 32.0 55.4 | 180 48 0.0 48.3 12 150 13650 245 52 47.1 22.0 | 226 21 15.2 14.8 13 100 16220 200 23 7.9 21.6 | 121 28 -24.1 14.5 Wind Parameters Mean winds (0-6000m): 227.4 at 43.7 knts Storm direction: 257.4 at 32.7 knts Shear (0-3000m) pos: 2.1 neg: 2.1 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 83.3 deg Storm rel helicity (0-3000m) pos: 71.2 neg: 0.0 tot: 71.2 m^2/s^2 ave: 23.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.15 Bulk Shear: 82.51 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 19 101 16| 12.8 0.0 12.8| 33.6 0.0 33.6 67.2 0.65| 12.8 8.3 1000 239 24 115 13| 6.4 1.8 8.2| 43.1 0.0 43.1 43.1 0.67| 8.8 5.8 1500 238 26 123 12| 4.3 1.6 5.8| 46.1 0.0 46.1 30.7 0.65| 6.5 4.2 2000 237 27 129 12| 3.2 1.7 4.9| 53.6 0.0 53.6 26.8 0.69| 5.4 3.7 2500 236 28 135 12| 2.6 1.9 4.4| 61.0 0.0 61.0 24.4 0.71| 4.8 3.4 3000 236 29 141 12| 2.1 2.1 4.2| 71.2 0.0 71.2 23.7 0.73| 4.6 3.3 4000 234 33 157 13| 1.6 3.3 4.9|102.6 0.0 102.6 25.7 0.63| 5.2 3.3 5000 231 38 172 17| 1.3 4.1 5.4|116.2 0.0 116.2 23.2 0.50| 5.6 2.8 6000 227 44 180 22| 1.1 4.6 5.7|116.2 -20.2 96.0 16.0 0.37| 6.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251210.00.gif