UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050900.upa.cvt Date: 0000Z 9 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 9 MAY 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 1007 103 8.0 5.1 82 2.9 6.6 40 11 280.6 281.5 279.4 295.6 5.47 1 1000 151 9.2 9.0 99 0.2 9.1 50 13 282.4 283.6 282.3 302.2 7.21 2 925 797 8.4 -3.6 43 12.0 3.2 85 25 287.9 288.5 280.0 297.1 3.16 3 850 1489 3.2 -1.7 70 4.9 1.0 75 15 289.5 290.2 281.7 301.0 3.97 4 700 3031 -6.9 -13.9 57 7.0 -9.1 65 17 294.8 295.2 281.5 300.5 1.86 5 500 5580 -22.9 -40.9 18 18.0 -24.9 60 35 305.1 305.2 283.7 305.9 0.21 6 400 7170 -34.9 -42.9 44 8.0 -35.5 60 56 309.6 309.7 285.5 310.4 0.22 7 300 9120 -48.7 -56.7 39 8.0 -48.9 60 73 316.7 316.7 287.8 316.9 0.06 8 251 10274 -54.0 -65.9 22 11.9 -54.2 55 79 325.4 325.4 290.4 325.5 0.02 9 250 10300 -54.1 -66.1 22 12.0 -54.3 55 77 325.6 325.6 290.5 325.7 0.02 10 243 10482 -55.1 -67.1 21 12.0 -55.3 55 73 326.8 326.8 290.8 326.9 0.02 11 200 11730 -54.7 -79.7 3 25.0 -55.0 40 33 346.1 346.1 295.8 346.2 0.00 12 150 13580 -53.9 -84.9 1 31.0 -54.3 25 9 377.2 377.2 301.8 377.2 0.00 TRP 243 10482 -55.1 -67.1 21 12.0 -55.3 55 73 326.8 326.8 290.8 326.9 0.02 WND 251 10274 -54.0 -65.9 22 11.9 -54.2 55 79 325.4 325.4 290.4 325.5 0.02 Sounding variables and indices 1000-500 mb thick: 5429.00 m Freezing level: 802.48 mb = 1977.55 m = 6487.96 ft Wetbulb zero: 834.97 mb = 1630.72 m = 5350.05 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 51.30 % Est. max temperature: 16.77 C = 62.19 F Sfc-Lift cond lev (LCL): 963.37 mb = 460.25 m = 1509.98 ft T: 8.82 C 700-500 lapse rate: 6.28 C/km ThetaE index: 5.09 C Layer 925.0- 850.0 mb Conv cond level (CCL): 805.76 mb = 1913.49 m = 6277.77 ft Mean mixing ratio: 4.90 g/kg Conv temperature: 18.43 C = 65.18 F Cap Strength: 3.40 C Lifted Index: 6.58 C Risk: None Lifted Index @300 mb: 12.45 C Lifted Index @700 mb: 2.95 C Showalter Index: 5.38 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.10 C Cross Totals Index: 21.20 C K Index: 17.40 Risk: < 20 % chance of thunderstorms Sweat Index: 65.00 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.27 J/kg Max Up Vert Vel: 5.34 m/s Conv Inhibition (B-): 7038.58 J/kg Cap Strength: 6.47 C Lift Cond Lev (LCL): 874.67 mb = 1254.88 m = 4117.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 96 at 17 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 1007 103 40 11 -7.1 -8.4 | 315 14 10.2 -10.1 1 1000 151 50 13 -10.0 -8.4 | 324 12 7.3 -10.0 2 925 797 85 25 -24.9 -2.2 | 63 9 -7.7 -3.8 3 850 1489 75 15 -14.5 -3.9 | 334 6 2.7 -5.5 4 700 3031 65 17 -15.4 -7.2 | 348 9 1.8 -8.8 5 500 5580 60 35 -30.3 -17.5 | 34 23 -13.1 -19.2 6 400 7170 60 56 -48.5 -28.0 | 47 43 -31.3 -29.7 7 300 9120 60 73 -63.2 -36.5 | 50 60 -46.0 -38.2 8 251 10274 55 79 -64.7 -45.3 | 45 67 -47.5 -47.0 9 250 10300 55 77 -63.1 -44.2 | 45 65 -45.8 -45.8 10 243 10482 55 73 -59.8 -41.9 | 44 61 -42.6 -43.5 11 200 11730 40 33 -21.2 -25.3 | 8 27 -4.0 -26.9 12 150 13580 25 9 -3.8 -8.2 | 306 17 13.4 -9.8 Wind Parameters Mean winds (0-6000m): 65.5 at 23.1 knts Storm direction: 95.5 at 17.3 knts Shear (0-3000m) pos: 2.4 neg: 1.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 36.6 deg Storm rel helicity (0-3000m) pos: 50.6 neg: -15.5 tot: 35.1 m^2/s^2 ave: 11.7 10^-3 m/s^2 rel: 0.32 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 1.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.55 Bulk Shear: 5.60 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 64 17 345 9| 14.2 0.0 14.2| 34.2 0.0 34.2 68.5 0.88| 14.5 12.8 1000 76 20 16 7| 7.3 0.0 7.3| 45.9 -7.1 38.8 38.8 0.58| 12.5 7.3 1500 77 19 11 6| 4.9 2.0 6.8| 46.1 -15.5 30.7 20.5 0.28| 10.4 3.0 2000 76 18 3 6| 3.6 1.5 5.1| 47.4 -15.5 31.9 16.0 0.30| 8.1 2.4 2500 75 18 358 6| 2.9 1.2 4.1| 48.6 -15.5 33.1 13.2 0.30| 6.7 2.0 3000 73 17 356 7| 2.4 1.0 3.5| 50.6 -15.5 35.1 11.7 0.32| 5.8 1.8 4000 70 18 0 8| 1.8 1.0 2.8| 66.3 -15.5 50.9 12.7 0.39| 5.3 2.1 5000 68 20 10 10| 1.5 1.4 2.9| 80.7 -15.5 65.2 13.0 0.40| 5.0 2.0 6000 66 23 19 12| 1.2 2.0 3.3|105.2 -15.5 89.7 15.0 0.40| 5.0 2.0 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250509.00.gif