UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120100.upa.cvt Date: 0000Z 1 DEC 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 1 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 1003 103 9.2 5.6 78 3.6 7.3 215 15 282.1 283.1 280.4 297.8 5.69 1 1000 117 10.6 7.9 83 2.7 9.2 215 15 283.8 284.9 282.3 302.3 6.69 2 925 762 5.6 4.4 92 1.2 5.0 215 36 285.0 286.0 281.7 300.9 5.67 3 850 1446 0.8 0.4 97 0.4 0.6 230 38 287.0 287.8 281.4 300.2 4.63 4 700 2999 -2.7 -3.3 96 0.6 -3.0 280 25 299.5 300.3 286.2 312.4 4.28 5 500 5600 -17.1 -18.8 87 1.7 -17.6 290 31 312.2 312.5 288.1 317.9 1.73 6 400 7230 -29.3 -31.7 80 2.4 -29.7 290 36 316.9 317.0 288.5 319.3 0.67 7 300 9210 -46.5 -50.1 67 3.6 -46.7 305 48 319.8 319.8 288.8 320.3 0.13 8 250 10390 -57.1 -61.4 58 4.3 -57.2 310 56 321.2 321.2 289.2 321.3 0.04 9 205 11620 -65.1 -69.2 57 4.1 -65.1 315 95 327.3 327.3 291.0 327.4 0.02 10 203 11679 -65.5 -69.6 57 4.1 -65.5 315 93 327.6 327.6 291.0 327.7 0.02 11 200 11770 -64.7 -69.0 55 4.3 -64.7 320 87 330.3 330.3 291.8 330.4 0.02 12 150 13530 -65.7 -73.7 32 8.0 -65.8 310 35 356.9 356.9 298.1 357.0 0.01 13 100 16020 -61.5 -82.5 5 21.0 -61.7 320 31 408.9 408.9 306.4 408.9 0.00 TRP 203 11679 -65.5 -69.6 57 4.1 -65.5 315 93 327.6 327.6 291.0 327.7 0.02 WND 205 11620 -65.1 -69.2 57 4.1 -65.1 315 95 327.3 327.3 291.0 327.4 0.02 Sounding variables and indices 1000-500 mb thick: 5483.00 m Freezing level: 815.71 mb = 1800.97 m = 5908.63 ft Wetbulb zero: 824.58 mb = 1688.86 m = 5540.81 ft Precipitable water: 0.92 inches Sfc-500 mean rel hum: 92.57 % Est. max temperature: 14.00 C = 57.20 F Sfc-Lift cond lev (LCL): 949.50 mb = 545.69 m = 1790.29 ft T: 7.28 C 700-500 lapse rate: 5.54 C/km ThetaE index: 2.12 C Layer 925.0- 700.0 mb Conv cond level (CCL): 917.68 mb = 826.31 m = 2710.95 ft Mean mixing ratio: 6.03 g/kg Conv temperature: 12.31 C = 54.17 F Cap Strength: 5.95 C Lifted Index: 10.89 C Risk: None Lifted Index @300 mb: 13.19 C Lifted Index @700 mb: 5.95 C Showalter Index: 11.77 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 17.90 C Cross Totals Index: 17.50 C K Index: 17.70 Risk: < 20 % chance of thunderstorms Sweat Index: 245.05 Risk: None Energy Index: 3.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.09 J/kg Max Up Vert Vel: 4.02 m/s Conv Inhibition (B-): 2.38 J/kg Cap Strength: 10.64 C Lift Cond Lev (LCL): 926.74 mb = 746.44 m = 2448.92 ft Lev Free Conv (LFC): 881.74 mb = 1149.43 m = 3771.06 ft Equ Level (EL): 831.74 mb = 1619.69 m = 5313.89 ft B at Equ Level: 7.15 J/kg Max Parcel Lev (MPL): 801.74 mb = 1913.53 m = 6277.91 ft Wind level data Storm motion: 292 at 22 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 103 215 15 8.6 12.3 | 150 24 -12.2 20.7 1 1000 117 215 15 8.6 12.3 | 150 24 -12.2 20.7 2 925 762 215 36 20.6 29.5 | 180 38 -0.1 37.9 3 850 1446 230 38 29.1 24.4 | 194 34 8.3 32.9 4 700 2999 280 25 24.6 -4.3 | 223 6 3.8 4.1 5 500 5600 290 31 29.1 -10.6 | 284 9 8.4 -2.2 6 400 7230 290 36 33.8 -12.3 | 287 14 13.1 -3.9 7 300 9210 305 48 39.3 -27.5 | 316 27 18.5 -19.1 8 250 10390 310 56 42.9 -36.0 | 321 35 22.1 -27.5 9 205 11620 315 95 67.2 -67.2 | 322 75 46.4 -58.7 10 203 11679 315 93 65.8 -65.8 | 322 73 45.0 -57.3 11 200 11770 320 87 55.9 -66.6 | 329 68 35.1 -58.2 12 150 13530 310 35 26.8 -22.5 | 337 15 6.0 -14.1 13 100 16020 320 31 19.9 -23.7 | 3 15 -0.9 -15.3 Wind Parameters Mean winds (0-6000m): 262.1 at 29.9 knts Storm direction: 292.1 at 22.4 knts Shear (0-3000m) pos: 5.3 neg: 2.7 tot: 8.0 10-3/s Storm rel Dir Shear (0-3000m): 76.6 deg Storm rel helicity (0-3000m) pos: 271.5 neg: 0.0 tot: 271.5 m^2/s^2 ave: 90.5 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.13 Bulk Shear: 64.16 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 ------------------------------------------------------------------------------- 500 215 23 164 28| 0.0 16.3 16.3| 91.5 0.0 91.5 183.1 0.78| 16.3 12.6 1000 217 29 174 32| 3.9 8.1 12.0|164.8 0.0 164.8 164.8 0.78| 13.1 10.2 1500 221 32 180 32| 4.5 5.4 9.9|222.9 0.0 222.9 148.6 0.77| 11.7 9.0 2000 227 32 185 31| 5.1 4.1 9.1|255.7 0.0 255.7 127.8 0.70| 11.5 8.0 2500 232 32 189 29| 5.4 3.3 8.6|268.7 0.0 268.7 107.5 0.63| 11.1 7.0 3000 236 31 191 26| 5.3 2.7 8.0|271.5 0.0 271.5 90.5 0.57| 10.5 6.0 4000 246 30 198 22| 4.3 2.0 6.3|275.8 0.0 275.8 69.0 0.59| 8.2 4.9 5000 255 30 206 18| 3.7 1.6 5.3|280.5 0.0 280.5 56.1 0.60| 6.9 4.2 6000 262 30 215 15| 3.2 1.4 4.6|283.4 0.0 283.4 47.2 0.60| 6.0 3.6 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251201.00.gif