UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for XKQLWQB... Searching the city database file for: XKQLWQB ... Date:1200Z 18 APR 25 Station: XKQLWQB WMO ident: 99999 Latitude: 50.30 Longitude: -9.60 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 -21 200 5 SFC 996 12 10.0 7.8 86 2.2 8.8 200 5 283.5 284.6 282.1 301.9 6.67 2 925 621 5.6 5.3 98 0.3 5.5 290 7 285.0 286.1 282.1 301.9 6.04 3 850 1310 2.6 0.5 86 2.1 1.6 220 7 288.9 289.7 282.3 302.2 4.67 4 700 2864 -4.1 -12.1 54 8.0 -6.9 200 15 297.9 298.3 283.2 304.6 2.16 5 500 5430 -22.1 -26.3 69 4.2 -22.9 175 29 306.1 306.3 284.9 309.1 0.89 6 400 7020 -35.3 -39.5 65 4.2 -35.7 170 33 309.1 309.2 285.4 310.2 0.31 7 300 8960 -49.3 -63.3 18 14.0 -49.6 190 35 315.9 315.9 287.4 316.0 0.03 8 281 9386 -50.7 -65.7 15 15.0 -51.0 190 33 319.8 319.8 288.7 319.9 0.02 9 250 10150 -47.1 -74.1 3 27.0 -47.6 185 29 336.0 336.0 293.3 336.1 0.01 10 200 11640 -46.1 -80.1 1 34.0 -46.9 200 11 359.8 359.8 298.7 359.8 0.00 11 150 13550 -46.7 -80.7 1 34.0 -47.6 230 15 389.6 389.6 303.8 389.6 0.00 12 100 16200 -51.7 -82.7 1 31.0 -52.5 225 11 427.8 427.8 308.6 427.9 0.00 13 38 22434 -54.7 -85.7 1 31.0 -56.1 556.6 556.6 318.5 556.6 0.01 14 24 25378 -54.1 -86.1 1 32.0 -56.2 636.5 636.5 322.2 636.6 0.01 15 21 26242 -50.3 -84.3 1 34.0 -53.6 672.8 672.8 323.5 672.9 0.02 TRP 281 9386 -50.7 -65.7 15 15.0 -51.0 190 33 319.8 319.8 288.7 319.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5451.00 m Freezing level: 791.79 mb = 1913.05 m = 6276.32 ft Wetbulb zero: 821.72 mb = 1580.83 m = 5186.37 ft Precipitable water: 0.70 inches Sfc-500 mean rel hum: 70.71 % Est. max temperature: 15.61 C = 60.09 F Sfc-Lift cond lev (LCL): 963.30 mb = 287.02 m = 941.67 ft T: 8.01 C 700-500 lapse rate: 7.01 C/km ThetaE index: 0.02 C Layer 925.0- 850.0 mb Conv cond level (CCL): 925.28 mb = 618.54 m = 2029.29 ft Mean mixing ratio: 6.18 g/kg Conv temperature: 11.55 C = 52.80 F Cap Strength: 4.26 C Lifted Index: 5.54 C Risk: None Lifted Index @300 mb: 9.98 C Lifted Index @700 mb: 4.26 C Showalter Index: 5.30 C Risk: None Total Totals Index: 47.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 22.60 C K Index: 17.20 Risk: < 20 % chance of thunderstorms Sweat Index: 49.00 Risk: None Energy Index: 1.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.00 J/kg Max Up Vert Vel: 4.47 m/s Conv Inhibition (B-): 43032.00 J/kg Cap Strength: 5.40 C Lift Cond Lev (LCL): 929.75 mb = 578.85 m = 1899.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 219 at 13 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 ---------------------------------------------------------- 0 996 12 200 5 1.7 4.7 | 51 8 -6.3 -5.0 1 925 621 290 7 6.6 -2.4 | 7 12 -1.4 -12.1 2 850 1310 220 7 4.5 5.4 | 39 6 -3.5 -4.4 3 700 2864 200 15 5.1 14.1 | 147 5 -2.9 4.4 4 500 5430 175 29 -2.5 28.9 | 151 22 -10.5 19.2 5 400 7020 170 33 -5.7 32.5 | 149 27 -13.7 22.8 6 300 8960 190 35 6.1 34.5 | 176 25 -1.9 24.7 7 281 9386 190 33 5.7 32.5 | 174 23 -2.3 22.8 8 250 10150 185 29 2.5 28.9 | 164 20 -5.5 19.2 9 200 11640 200 11 3.8 10.3 | 98 4 -4.2 0.6 10 150 13550 230 15 11.5 9.6 | 271 4 3.5 -0.1 11 100 16200 225 11 7.8 7.8 | 6 2 -0.2 -1.9 Wind Parameters Mean winds (0-6000m): 189.4 at 16.8 knts Storm direction: 219.4 at 12.6 knts Shear (0-3000m) pos: 1.2 neg: 2.7 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 99.4 deg Storm rel helicity (0-3000m) pos: 12.2 neg: -13.1 tot: -0.9 m^2/s^2 ave: -0.3 10^-3 m/s^2 rel: 0.14 Storm rel vorticity (0-3000m) horiz: 4.7 stream: 0.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.37 Bulk Shear: 26.83 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 ------------------------------------------------------------------------------- 500 244 6 21 8| 7.3 0.0 7.3| 0.0 -12.0 -12.0 -24.1 -0.77| 7.9 -6.1 1000 262 6 11 9| 3.7 1.5 5.1| 1.6 -13.1 -11.5 -11.5 -0.39| 7.3 -2.8 1500 249 7 14 8| 2.4 2.4 4.9| 7.0 -13.1 -6.1 -4.1 -0.11| 6.5 -0.7 2000 236 7 19 6| 1.8 2.5 4.3| 8.7 -13.1 -4.5 -2.2 -0.01| 5.6 -0.1 2500 225 8 28 4| 1.5 2.6 4.0| 10.5 -13.1 -2.6 -1.0 0.10| 5.1 0.5 3000 217 9 45 3| 1.2 2.7 3.9| 12.2 -13.1 -0.9 -0.3 0.14| 4.7 0.6 4000 207 12 102 3| 0.9 2.8 3.7| 14.0 -13.2 0.8 0.2 0.14| 4.4 0.6 5000 197 14 135 5| 0.7 2.9 3.6| 14.0 -17.6 -3.6 -0.7 0.09| 4.2 0.4 6000 189 17 142 9| 0.6 2.8 3.4| 14.0 -24.0 -10.0 -1.7 0.05| 3.9 0.2 Wrote GIF file: /home/apache/climate/data/raob//XKQLWQB/skewt/XKQLWQB.skewt.20250418.12.gif