UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041600.upa.cvt Date: 0000Z 16 APR 25 Searching for WITT... Searching the city database file for: WITT ... Date:0000Z 16 APR 25 Station: WITT WMO ident: 96011 Latitude: 5.51 Longitude: 95.41 Elevation: 21.00 ------------------------------------------------------------------------------- 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 1008 21 24.8 23.4 92 1.4 23.8 140 5 297.3 300.6 296.7 350.2 18.26 1 1000 94 23.6 22.5 94 1.1 22.8 145 12 296.8 299.9 296.0 347.1 17.41 2 977 299 24.6 20.3 77 4.3 21.6 135 10 299.7 302.6 295.6 345.1 15.53 3 925 779 22.2 19.7 86 2.5 20.5 70 10 302.0 304.9 296.3 348.7 15.81 4 912 902 21.4 19.4 88 2.0 20.0 70 10 302.4 305.3 296.4 348.9 15.74 5 850 1510 17.2 15.2 88 2.0 15.8 90 8 304.2 306.6 294.9 342.5 12.89 6 834 1672 15.8 14.5 92 1.3 15.0 96 8 304.3 306.7 294.7 341.8 12.55 7 793 2101 14.6 11.9 84 2.7 12.9 114 7 307.5 309.6 294.6 341.1 11.11 8 770 2350 14.0 11.6 85 2.4 12.4 123 8 309.4 311.6 295.2 343.6 11.22 9 700 3150 9.4 7.9 90 1.5 8.5 155 11 312.9 314.7 295.0 342.6 9.60 10 658 3662 7.4 5.6 88 1.8 6.3 147 15 316.2 317.9 295.2 343.6 8.71 11 616 4202 3.6 3.2 97 0.4 3.4 132 11 317.9 319.4 295.0 342.8 7.85 12 598 4442 1.8 1.8 100 0.0 1.8 138 9 318.5 319.9 294.7 341.8 7.31 13 500 5870 -4.7 -4.7 100 0.0 -4.7 130 13 327.3 328.4 295.6 345.2 5.41 14 400 7590 -14.7 -14.7 100 0.0 -14.7 130 6 335.9 336.5 295.8 346.6 3.06 15 367 8238 -18.7 -19.0 97 0.3 -18.8 120 4 338.9 339.4 296.0 347.2 2.32 16 300 9710 -29.5 -29.9 96 0.4 -29.6 150 15 343.8 344.0 296.1 347.8 1.07 17 273 10374 -35.1 -35.5 96 0.4 -35.1 129 17 345.1 345.2 296.1 347.7 0.68 18 250 10980 -40.1 -41.4 87 1.3 -40.2 110 19 346.4 346.5 296.2 348.1 0.41 19 228 11601 -44.9 -46.2 87 1.3 -45.0 100 22 348.4 348.4 296.5 349.5 0.27 20 200 12460 -52.9 -55.2 76 2.3 -53.0 85 27 349.0 349.0 296.5 349.4 0.11 21 150 14240 -68.7 -73.7 48 5.0 -68.7 85 41 351.7 351.7 297.0 351.8 0.01 22 134 14907 -72.3 -76.5 53 4.2 -72.3 128 33 356.9 356.9 298.1 356.9 0.01 23 108 16145 -80.7 -85.2 47 4.5 -80.7 211 18 363.7 363.7 299.4 363.7 0.00 24 100 16580 -78.7 -83.0 49 4.3 -78.7 240 12 375.7 375.7 301.5 375.7 0.00 25 70 18570 -80.5 -84.4 52 3.9 -80.5 110 6 412.2 412.2 306.8 412.2 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5776.00 m Freezing level: 570.86 mb = 4837.44 m = 15870.67 ft Wetbulb zero: 571.22 mb = 4807.60 m = 15772.77 ft Precipitable water: 2.48 inches Sfc-500 mean rel hum: 91.42 % Est. max temperature: 31.48 C = 88.66 F Sfc-Lift cond lev (LCL): 988.08 mb = 199.58 m = 654.79 ft T: 24.12 C 700-500 lapse rate: 5.18 C/km ThetaE index: 7.89 C Layer 850.0- 770.0 mb Conv cond level (CCL): 877.25 mb = 1237.64 m = 4060.45 ft Mean mixing ratio: 16.02 g/kg Conv temperature: 30.93 C = 87.67 F Cap Strength: 1.93 C Lifted Index: -0.74 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.39 C Lifted Index @700 mb: -0.40 C Showalter Index: 1.08 C Risk: Showers probable Total Totals Index: 41.80 C Risk: None Vertical Totals Index: 21.90 C Cross Totals Index: 19.90 C K Index: 35.60 Risk: > 80 % chance of thunderstorms Sweat Index: 211.40 Risk: None Energy Index: 0.43 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 169.88 J/kg Max Up Vert Vel: 18.43 m/s Conv Inhibition (B-): 36.72 J/kg Cap Strength: 1.93 C Lift Cond Lev (LCL): 918.10 mb = 844.22 m = 2769.71 ft Lev Free Conv (LFC): 843.10 mb = 1579.62 m = 5182.43 ft Equ Level (EL): 793.10 mb = 2099.72 m = 6888.77 ft B at Equ Level: 25.73 J/kg Max Parcel Lev (MPL): 183.10 mb = 13006.30 m = 42671.08 ft Wind level data Storm motion: 161 at 8 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 1008 21 140 5 -3.2 3.8 | 11 3 -0.7 -3.4 1 1000 94 145 12 -6.9 9.8 | 121 5 -4.4 2.6 2 976 305 135 10 -7.1 7.1 | 88 5 -4.5 -0.2 3 925 779 70 10 -9.4 -3.4 | 33 13 -6.9 -10.6 4 911 914 70 10 -9.4 -3.4 | 33 13 -6.9 -10.6 5 850 1510 90 8 -8.0 0.0 | 37 9 -5.5 -7.2 6 790 2134 115 7 -6.3 3.0 | 42 6 -3.8 -4.3 7 700 3150 155 11 -4.6 10.0 | 142 3 -2.1 2.7 8 683 3353 155 18 -7.6 16.3 | 151 10 -5.1 9.1 9 610 4267 130 10 -7.7 6.4 | 81 5 -5.1 -0.8 10 565 4877 160 7 -2.4 6.6 | 348 1 0.1 -0.6 11 500 5870 130 13 -10.0 8.4 | 99 8 -7.4 1.1 12 449 6706 105 13 -12.6 3.4 | 69 11 -10.0 -3.9 13 415 7315 175 9 -0.8 9.0 | 225 2 1.7 1.7 14 400 7590 130 6 -4.6 3.9 | 32 4 -2.1 -3.4 15 367 8230 120 4 -3.5 2.0 | 10 5 -0.9 -5.2 16 300 9710 150 15 -7.5 13.0 | 139 8 -5.0 5.8 17 250 10980 110 19 -17.9 6.5 | 87 15 -15.3 -0.7 18 200 12460 85 27 -26.9 -2.4 | 69 26 -24.4 -9.6 19 150 14240 85 41 -40.8 -3.6 | 74 40 -38.3 -10.8 20 100 16580 240 12 10.4 6.0 | 275 13 12.9 -1.2 21 97 16764 240 12 10.4 6.0 | 275 13 12.9 -1.2 22 92 17069 250 21 19.7 7.2 | 270 22 22.3 -0.0 23 74 18288 45 27 -19.1 -19.1 | 32 31 -16.6 -26.3 24 70 18570 110 6 -5.6 2.1 | 31 6 -3.1 -5.2 25 58 19507 265 26 25.9 2.3 | 280 29 28.4 -5.0 Wind Parameters Mean winds (0-6000m): 130.7 at 10.2 knts Storm direction: 160.7 at 7.7 knts Shear (0-3000m) pos: 2.1 neg: 1.5 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 112.9 deg Storm rel helicity (0-3000m) pos: 14.6 neg: -21.3 tot: -6.7 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: 0.13 Storm rel vorticity (0-3000m) horiz: 6.0 stream: 0.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 13218.19 Bulk Shear: 0.01 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 ------------------------------------------------------------------------------- 500 132 10 86 5| 0.0 6.7 6.7| 4.4 -8.7 -4.3 -8.6 0.13| 15.9 2.0 1000 106 10 58 8| 0.0 4.6 4.6| 5.2 -21.3 -16.1 -16.1 -0.10| 11.5 -1.2 1500 97 10 50 9| 1.0 3.1 4.1| 7.0 -21.3 -14.3 -9.5 -0.07| 8.7 -0.6 2000 98 9 48 9| 1.5 2.3 3.8| 8.3 -21.3 -13.0 -6.5 -0.04| 7.2 -0.3 2500 102 9 49 8| 1.8 1.8 3.6| 11.1 -21.3 -10.2 -4.1 0.04| 6.4 0.2 3000 110 9 55 7| 2.1 1.5 3.7| 14.6 -21.3 -6.7 -2.2 0.13| 6.0 0.8 4000 126 10 78 6| 2.2 1.7 3.9| 16.9 -33.9 -17.1 -4.3 0.01| 6.4 0.1 5000 129 10 81 5| 1.7 1.4 3.1| 17.1 -37.5 -20.4 -4.1 -0.03| 5.9 -0.2 6000 131 10 84 5| 1.4 1.5 3.0| 17.2 -40.5 -23.3 -3.9 -0.05| 5.6 -0.3 Wrote GIF file: /home/apache/climate/data/raob//WITT/skewt/WITT.skewt.20250416.00.gif