UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025112900.upa.cvt Date: 0000Z 29 NOV 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 29 NOV 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 10.4 6.7 78 3.7 8.5 205 17 283.5 284.6 281.6 300.6 6.16 1 925 745 7.2 4.4 82 2.8 5.8 225 36 286.7 287.7 282.4 302.7 5.67 2 850 1436 3.0 1.5 90 1.5 2.3 235 35 289.3 290.2 282.8 303.7 5.02 3 700 2984 -4.5 -8.0 76 3.5 -5.8 245 42 297.5 298.0 284.0 306.5 2.99 4 500 5550 -21.3 -23.8 80 2.5 -21.8 255 52 307.1 307.3 285.6 310.8 1.12 5 400 7150 -33.9 -36.2 80 2.3 -34.1 250 60 310.9 311.0 286.2 312.4 0.43 6 300 9090 -50.9 -54.1 69 3.2 -51.0 255 69 313.6 313.6 286.7 313.9 0.08 7 250 10250 -61.7 -64.8 66 3.1 -61.7 260 69 314.3 314.3 286.9 314.4 0.03 8 234 10658 -64.0 -67.2 65 3.2 -64.1 265 75 316.8 316.8 287.7 316.9 0.02 9 231 10737 -64.5 -67.7 65 3.2 -64.6 265 71 317.3 317.3 287.9 317.3 0.02 10 200 11630 -59.7 -66.7 40 7.0 -59.8 260 56 338.2 338.2 293.9 338.3 0.02 11 150 13450 -57.7 -71.7 15 14.0 -57.9 255 56 370.7 370.7 300.7 370.7 0.02 12 100 15990 -62.3 -91.3 1 29.0 -62.5 250 35 407.4 407.4 306.2 407.4 0.00 TRP 231 10737 -64.5 -67.7 65 3.2 -64.6 265 71 317.3 317.3 287.9 317.3 0.02 WND 234 10658 -64.0 -67.2 65 3.2 -64.1 265 75 316.8 316.8 287.7 316.9 0.02 Sounding variables and indices 1000-500 mb thick: 5447.00 m Freezing level: 790.00 mb = 2055.20 m = 6742.70 ft Wetbulb zero: 807.94 mb = 1840.64 m = 6038.76 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 80.84 % Est. max temperature: 16.14 C = 61.05 F Sfc-Lift cond lev (LCL): 945.41 mb = 565.30 m = 1854.62 ft T: 8.10 C 700-500 lapse rate: 6.55 C/km ThetaE index: 0.00 C Layer 1000.0--97609095688668617833845882880.0 mb Conv cond level (CCL): 863.48 mb = 1307.45 m = 4289.49 ft Mean mixing ratio: 5.82 g/kg Conv temperature: 15.66 C = 60.19 F Cap Strength: 3.80 C Lifted Index: 6.31 C Risk: None Lifted Index @300 mb: 8.38 C Lifted Index @700 mb: 3.80 C Showalter Index: 5.16 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 22.80 C K Index: 22.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 207.75 Risk: None Energy Index: 1.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.78 J/kg Max Up Vert Vel: 4.85 m/s Conv Inhibition (B-): 10457.67 J/kg Cap Strength: 6.21 C Lift Cond Lev (LCL): 905.22 mb = 921.62 m = 3023.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 32 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 103 205 17 7.2 15.4 | 127 30 -24.3 18.0 1 1000 98 205 17 7.2 15.4 | 127 30 -24.3 18.0 2 925 745 225 36 25.5 25.5 | 168 29 -6.0 28.1 3 850 1436 235 35 28.7 20.1 | 173 23 -2.8 22.7 4 700 2984 245 42 38.1 17.7 | 198 21 6.6 20.4 5 500 5550 255 52 50.2 13.5 | 229 25 18.8 16.1 6 400 7150 250 60 56.4 20.5 | 227 34 24.9 23.1 7 300 9090 255 69 66.6 17.9 | 240 41 35.2 20.5 8 250 10250 260 69 68.0 12.0 | 248 39 36.5 14.6 9 234 10658 265 75 74.7 6.5 | 258 44 43.2 9.1 10 231 10737 265 71 70.7 6.2 | 257 40 39.3 8.8 11 200 11630 260 56 55.1 9.7 | 242 27 23.7 12.3 12 150 13450 255 56 54.1 14.5 | 233 28 22.6 17.1 13 100 15990 250 35 32.9 12.0 | 186 15 1.4 14.6 Wind Parameters Mean winds (0-6000m): 244.7 at 42.1 knts Storm direction: 274.7 at 31.6 knts Shear (0-3000m) pos: 5.4 neg: 0.0 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 72.6 deg Storm rel helicity (0-3000m) pos: 236.9 neg: 0.0 tot: 236.9 m^2/s^2 ave: 79.0 10^-3 m/s^2 rel: 0.90 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 73.03 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 ------------------------------------------------------------------------------- 500 217 24 143 28| 16.4 0.0 16.4|125.1 0.0 125.1 250.2 1.00| 16.6 16.5 1000 222 30 155 27| 10.9 0.0 10.9|171.3 0.0 171.3 171.3 0.92| 12.4 11.4 1500 227 32 161 26| 7.8 0.0 7.8|183.8 0.0 183.8 122.5 0.87| 9.6 8.3 2000 230 33 165 25| 6.6 0.0 6.6|201.6 0.0 201.6 100.8 0.88| 8.0 7.0 2500 232 34 170 24| 5.9 0.0 5.9|219.6 0.0 219.6 87.9 0.89| 7.0 6.3 3000 235 35 174 23| 5.4 0.0 5.4|236.9 0.0 236.9 79.0 0.90| 6.4 5.7 4000 239 38 182 22| 4.6 0.0 4.6|264.9 0.0 264.9 66.2 0.91| 5.4 4.9 5000 242 40 190 22| 4.2 0.0 4.2|294.7 0.0 294.7 58.9 0.91| 4.9 4.4 6000 245 42 198 22| 3.7 0.2 4.0|308.6 -1.9 306.7 51.1 0.85| 4.5 3.9 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20251129.00.gif