UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for WITT... Searching the city database file for: WITT ... Date:0000Z 17 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 23.0 22.3 96 0.7 22.5 140 4 295.5 298.5 295.4 344.5 17.05 1 1000 89 23.8 22.4 92 1.4 22.8 145 12 297.0 300.1 296.0 347.0 17.30 2 983 240 25.8 21.3 76 4.5 22.6 124 11 300.4 303.4 296.3 348.6 16.44 3 976 303 25.4 20.8 76 4.6 22.1 115 11 300.6 303.6 296.1 347.7 16.04 4 955 494 24.6 19.6 74 5.0 21.1 78 10 301.7 304.5 295.8 346.5 15.20 5 925 773 22.8 18.5 77 4.3 19.8 120 7 302.6 305.3 295.7 345.9 14.64 6 912 896 21.8 17.8 78 4.0 19.0 133 10 302.8 305.4 295.5 344.9 14.20 7 850 1504 18.2 14.7 80 3.5 15.8 200 13 305.2 307.5 294.9 342.5 12.47 8 793 2097 15.6 13.1 85 2.5 14.0 235 14 308.6 310.8 295.5 345.1 12.04 9 723 2876 11.0 10.2 95 0.8 10.5 230 18 311.8 313.8 295.6 345.2 10.88 10 700 3146 10.0 9.1 94 0.9 9.5 230 17 313.6 315.5 295.7 345.9 10.43 11 617 4177 4.8 3.1 89 1.7 3.8 221 15 319.1 320.6 295.3 343.9 7.78 12 500 5850 -4.7 -6.4 88 1.7 -5.5 195 18 327.3 328.3 295.1 343.1 4.74 13 439 6861 -10.7 -12.1 89 1.4 -11.3 247 14 332.1 332.8 295.3 344.0 3.45 14 400 7570 -14.5 -18.1 74 3.6 -15.7 145 11 336.1 336.6 295.3 344.3 2.30 15 387 7819 -15.3 -19.9 68 4.6 -16.9 141 12 338.3 338.7 295.7 345.6 2.04 16 300 9680 -29.7 -40.7 34 11.0 -31.2 110 16 343.5 343.6 295.5 345.0 0.36 17 250 10940 -39.5 -47.5 42 8.0 -40.2 120 13 347.3 347.4 296.3 348.2 0.21 18 200 12420 -52.7 -57.7 55 5.0 -52.9 115 31 349.3 349.3 296.5 349.7 0.08 19 191 12715 -55.1 -59.6 57 4.5 -55.2 115 32 350.1 350.1 296.7 350.4 0.06 20 167 13555 -62.9 -68.9 44 6.0 -63.0 115 32 350.8 350.8 296.8 350.9 0.02 21 150 14210 -65.7 -75.7 24 10.0 -65.8 115 32 356.9 356.9 298.1 356.9 0.01 22 141 14583 -67.9 -89.9 3 22.0 -67.9 110 25 359.4 359.4 298.6 359.4 0.00 23 108 16137 -79.7 -93.7 8 14.0 -79.7 97 11 365.6 365.6 299.8 365.6 0.00 24 100 16570 -81.5 -97.5 5 16.0 -81.5 95 10 370.3 370.3 300.6 370.3 0.00 25 98 16683 -80.9 -93.9 9 13.0 -80.9 95 10 373.6 373.6 301.2 373.6 0.00 26 87 17343 -85.7 -103.7 2 18.0 -85.7 45 14 376.9 376.9 301.8 376.9 0.00 27 78 17950 -79.3 -88.3 21 9.0 -79.3 327 22 402.1 402.1 305.5 402.1 0.00 28 70 18570 -74.7 -86.7 14 12.0 -74.7 250 30 424.6 424.6 308.2 424.6 0.00 29 50 20550 -69.5 -94.5 1 25.0 -69.6 275 35 479.7 479.7 313.4 479.7 0.00 30 44 21316 -67.7 -94.7 1 27.0 -67.9 280 33 502.0 502.0 315.1 502.0 0.00 TRP 87 17343 -85.7 -103.7 2 18.0 -85.7 45 14 376.9 376.9 301.8 376.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 557.88 mb = 5022.12 m = 16476.57 ft Wetbulb zero: 569.22 mb = 4818.07 m = 15807.14 ft Precipitable water: 2.40 inches Sfc-500 mean rel hum: 86.46 % Est. max temperature: 32.44 C = 90.39 F Sfc-Lift cond lev (LCL): 998.15 mb = 105.30 m = 345.48 ft T: 24.02 C 700-500 lapse rate: 5.44 C/km ThetaE index: 6.11 C Layer 976.0- 793.0 mb Conv cond level (CCL): 846.44 mb = 1539.87 m = 5052.02 ft Mean mixing ratio: 15.55 g/kg Conv temperature: 32.96 C = 91.32 F Cap Strength: 2.18 C Lifted Index: -0.56 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.51 C Lifted Index @700 mb: 0.34 C Showalter Index: 1.08 C Risk: Showers probable Total Totals Index: 42.30 C Risk: None Vertical Totals Index: 22.90 C Cross Totals Index: 19.40 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 220.40 Risk: None Energy Index: 0.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.19 J/kg Max Up Vert Vel: 11.68 m/s Conv Inhibition (B-): 108.23 J/kg Cap Strength: 2.18 C Lift Cond Lev (LCL): 902.76 mb = 984.13 m = 3228.72 ft Lev Free Conv (LFC): 597.76 mb = 4428.80 m = 14530.01 ft Equ Level (EL): 407.76 mb = 7423.56 m = 24355.22 ft B at Equ Level: 68.18 J/kg Max Parcel Lev (MPL): 277.76 mb = 10212.40 m = 33504.84 ft Wind level data Storm motion: 241 at 11 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 4 -2.6 3.1 | 79 13 -12.4 -2.3 1 1000 89 145 12 -6.9 9.8 | 105 17 -16.7 4.5 2 976 305 115 11 -10.0 4.6 | 88 20 -19.8 -0.7 3 942 610 55 10 -8.2 -5.7 | 58 21 -18.1 -11.1 4 925 773 120 7 -6.1 3.5 | 83 16 -15.9 -1.9 5 910 914 135 10 -7.1 7.1 | 96 17 -16.9 1.7 6 850 1504 200 13 4.4 12.2 | 142 9 -5.4 6.8 7 818 1829 205 21 8.9 19.0 | 176 14 -1.0 13.7 8 789 2134 240 13 11.3 6.5 | 231 2 1.4 1.1 9 734 2743 230 19 14.6 12.2 | 214 8 4.7 6.8 10 700 3146 230 17 13.0 10.9 | 210 6 3.2 5.6 11 609 4267 220 15 9.6 11.5 | 178 6 -0.2 6.1 12 543 5182 225 16 11.3 11.3 | 194 6 1.5 5.9 13 504 5791 180 17 0.0 17.0 | 140 15 -9.9 11.6 14 500 5850 195 18 4.7 17.4 | 157 13 -5.2 12.0 15 430 7010 255 13 12.6 3.4 | 307 3 2.7 -2.0 16 400 7570 145 11 -6.3 9.0 | 103 17 -16.2 3.6 17 300 9680 110 16 -15.0 5.5 | 90 25 -24.9 0.1 18 297 9754 110 16 -15.0 5.5 | 90 25 -24.9 0.1 19 250 10940 120 13 -11.3 6.5 | 93 21 -21.1 1.1 20 200 12420 115 31 -28.1 13.1 | 102 39 -38.0 7.7 21 198 12497 115 32 -29.0 13.5 | 102 40 -38.9 8.1 22 150 14210 115 32 -29.0 13.5 | 102 40 -38.9 8.1 23 126 15240 100 13 -12.8 2.3 | 82 23 -22.7 -3.1 24 100 16570 95 10 -10.0 0.9 | 77 20 -19.8 -4.5 25 97 16764 95 10 -10.0 0.9 | 77 20 -19.8 -4.5 26 87 17343 45 14 -9.9 -9.9 | 52 25 -19.8 -15.3 27 70 18570 250 30 28.2 10.3 | 255 19 18.3 4.9 28 51 20422 285 24 23.2 -6.2 | 311 18 13.3 -11.6 29 50 20550 275 35 34.9 -3.1 | 289 26 25.0 -8.4 30 39 21641 285 32 30.9 -8.3 | 303 25 21.0 -13.7 Wind Parameters Mean winds (0-6000m): 211.4 at 15.0 knts Storm direction: 241.4 at 11.2 knts Shear (0-3000m) pos: 4.6 neg: 1.5 tot: 6.1 10-3/s Storm rel Dir Shear (0-3000m): 132.0 deg Storm rel helicity (0-3000m) pos: 142.4 neg: -81.1 tot: 61.3 m^2/s^2 ave: 20.4 10^-3 m/s^2 rel: 0.31 Storm rel vorticity (0-3000m) horiz: 13.1 stream: 4.0 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.42 Bulk Shear: 47.90 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 ------------------------------------------------------------------------------- 500 117 11 88 19| 0.0 9.8 9.8| 23.1 -65.9 -42.8 -85.6 -0.30| 21.6 -6.6 1000 113 10 85 19| 6.5 4.9 11.4| 85.0 -78.6 6.4 6.4 0.12| 19.5 2.3 1500 137 11 98 17| 7.3 3.3 10.6|114.5 -78.6 35.8 23.9 0.27| 16.9 4.6 2000 168 12 118 14| 6.6 2.4 9.0|140.9 -78.6 62.3 31.1 0.35| 16.8 5.9 2500 187 13 132 11| 5.5 2.0 7.5|142.4 -79.3 63.1 25.3 0.33| 15.1 5.0 3000 200 14 146 9| 4.6 1.5 6.1|142.4 -81.1 61.3 20.4 0.31| 13.1 4.0 4000 210 14 160 8| 3.4 1.5 4.9|142.4 -85.8 56.6 14.1 0.26| 10.3 2.6 5000 213 15 165 7| 2.8 1.2 4.0|144.5 -86.8 57.6 11.5 0.26| 8.4 2.2 6000 211 15 164 8| 2.5 1.4 3.8|160.7-107.9 52.7 8.8 0.18| 8.5 1.5 Wrote GIF file: /home/apache/climate/data/raob//WITT/skewt/WITT.skewt.20250417.00.gif