UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050400.upa.cvt Date: 0000Z 4 MAY 25 Searching for LFRB... Searching the city database file for: LFRB ... Date:0000Z 4 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 1002 103 11.4 8.4 82 3.0 9.7 35 13 284.4 285.6 282.8 303.6 6.91 1 1000 113 11.4 9.5 88 1.9 10.3 35 13 284.5 285.8 283.5 305.2 7.46 2 925 767 11.4 9.6 89 1.8 10.3 75 25 291.0 292.4 286.8 314.1 8.13 3 850 1471 8.6 6.9 89 1.7 7.6 125 3 295.2 296.5 287.6 316.5 7.36 4 700 3047 -1.7 -6.7 69 5.0 -3.8 15 3 300.6 301.2 285.5 310.7 3.30 5 500 5650 -17.1 -23.1 60 6.0 -18.6 35 3 312.2 312.4 287.5 316.2 1.19 6 400 7280 -29.1 -37.1 46 8.0 -30.1 40 9 317.2 317.2 288.3 318.6 0.40 7 300 9270 -44.3 -53.3 36 9.0 -44.7 45 23 322.9 322.9 289.8 323.3 0.09 8 250 10460 -53.9 -62.9 32 9.0 -54.1 40 31 325.9 325.9 290.6 326.1 0.03 9 200 11860 -63.7 -70.7 38 7.0 -63.8 70 27 331.9 331.9 292.2 331.9 0.01 10 192 12112 -64.9 -71.9 37 7.0 -65.0 70 23 333.9 333.9 292.7 333.9 0.01 11 150 13660 -56.3 -78.3 5 22.0 -56.6 15 11 373.1 373.1 301.1 373.1 0.01 12 100 16240 -56.3 -87.3 1 31.0 -56.8 280 3 418.9 418.9 307.6 419.0 0.00 TRP 192 12112 -64.9 -71.9 37 7.0 -65.0 70 23 333.9 333.9 292.7 333.9 0.01 WND Sounding variables and indices 1000-500 mb thick: 5537.00 m Freezing level: 724.76 mb = 2786.88 m = 9143.21 ft Wetbulb zero: 749.74 mb = 2489.78 m = 8168.47 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 74.02 % Est. max temperature: 22.06 C = 71.70 F Sfc-Lift cond lev (LCL): 957.57 mb = 476.70 m = 1563.97 ft T: 11.40 C 700-500 lapse rate: 5.92 C/km ThetaE index: 5.79 C Layer 700.0- 500.0 mb Conv cond level (CCL): 832.71 mb = 1637.77 m = 5373.19 ft Mean mixing ratio: 7.84 g/kg Conv temperature: 22.77 C = 72.98 F Cap Strength: 3.25 C Lifted Index: 4.79 C Risk: None Lifted Index @300 mb: 8.91 C Lifted Index @700 mb: 2.09 C Showalter Index: 1.28 C Risk: Showers probable Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.70 C Cross Totals Index: 24.00 C K Index: 27.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 105.80 Risk: None Energy Index: -0.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.26 J/kg Max Up Vert Vel: 6.52 m/s Conv Inhibition (B-): 9444.11 J/kg Cap Strength: 4.68 C Lift Cond Lev (LCL): 924.53 mb = 771.20 m = 2530.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 87 at 4 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 1002 103 35 13 -7.5 -10.6 | 16 11 -3.0 -10.4 1 1000 113 35 13 -7.5 -10.6 | 16 11 -3.0 -10.4 2 925 767 75 25 -24.1 -6.5 | 72 21 -19.7 -6.3 3 850 1471 125 3 -2.5 1.7 | 226 3 2.0 1.9 4 700 3047 15 3 -0.8 -2.9 | 306 5 3.7 -2.7 5 500 5650 35 3 -1.7 -2.5 | 309 4 2.8 -2.2 6 400 7280 40 9 -5.8 -6.9 | 11 7 -1.3 -6.7 7 300 9270 45 23 -16.3 -16.3 | 36 20 -11.8 -16.0 8 250 10460 40 31 -19.9 -23.7 | 33 28 -15.4 -23.5 9 200 11860 70 27 -25.4 -9.2 | 67 23 -20.9 -9.0 10 192 12112 70 23 -21.6 -7.9 | 66 19 -17.1 -7.6 11 150 13660 15 11 -2.8 -10.6 | 351 11 1.6 -10.4 12 100 16240 280 3 3.0 -0.5 | 272 7 7.4 -0.3 Wind Parameters Mean winds (0-6000m): 57.2 at 6.0 knts Storm direction: 87.2 at 4.5 knts Shear (0-3000m) pos: 2.2 neg: 0.8 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): -69.9 deg Storm rel helicity (0-3000m) pos: 108.4 neg: -0.3 tot: 108.1 m^2/s^2 ave: 36.0 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 6.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.24 Bulk Shear: 17.14 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 53 17 43 14| 12.9 0.0 12.9| 40.8 0.0 40.8 81.5 0.84| 13.2 11.1 1000 69 19 64 15| 7.5 0.0 7.5| 95.7 0.0 95.7 95.7 0.77| 15.7 12.0 1500 70 15 63 11| 4.4 0.0 4.4|107.2 0.0 107.2 71.4 0.75| 14.8 11.2 2000 72 12 63 8| 3.3 0.5 3.8|107.8 0.0 107.8 53.9 0.75| 11.6 8.8 2500 71 10 60 6| 2.6 0.7 3.4|108.3 0.0 108.3 43.3 0.75| 9.7 7.2 3000 69 9 53 5| 2.2 0.8 3.0|108.4 -0.3 108.1 36.0 0.72| 8.3 6.0 4000 64 8 37 4| 1.7 0.6 2.2|108.5 -0.3 108.2 27.1 0.71| 6.3 4.5 5000 60 7 22 3| 1.3 0.5 1.8|108.6 -0.3 108.3 21.7 0.71| 5.1 3.6 6000 57 6 10 3| 1.0 0.4 1.4|110.2 -0.3 109.9 18.3 0.72| 4.4 3.1 Wrote GIF file: /home/apache/climate/data/raob//LFRB/skewt/LFRB.skewt.20250504.00.gif