UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for WITT... Searching the city database file for: WITT ... Date:0000Z 27 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 26.2 24.8 92 1.4 25.2 150 2 298.7 302.3 298.1 356.8 19.92 1 976 303 25.0 24.0 94 1.0 24.3 145 8 300.2 303.8 298.2 357.8 19.60 2 962 429 24.6 23.4 93 1.2 23.8 132 7 301.1 304.6 298.2 357.5 19.16 3 912 891 21.2 21.1 99 0.1 21.2 81 2 302.2 305.4 297.5 354.0 17.53 4 810 1903 15.4 15.4 100 0.0 15.4 101 7 306.5 309.0 296.1 347.7 13.72 5 793 2082 14.8 14.3 97 0.5 14.5 106 7 307.7 310.1 296.0 347.1 13.04 6 679 3379 10.0 1.0 54 9.0 5.0 175 6 316.3 317.5 293.2 335.6 6.07 7 648 3764 7.0 2.7 74 4.3 4.5 184 7 317.2 318.6 294.3 339.9 7.20 8 616 4178 4.4 -0.2 72 4.6 1.9 110 6 318.8 320.0 293.9 338.4 6.13 9 567 4847 0.8 -1.0 88 1.8 -0.2 50 9 322.2 323.4 295.0 342.6 6.29 10 548 5120 0.0 -4.4 72 4.4 -2.2 47 8 324.4 325.4 294.6 341.0 5.04 11 481 6148 -7.7 -8.2 96 0.5 -7.9 37 6 327.3 328.1 294.7 341.6 4.29 12 428 7048 -11.7 -19.7 51 8.0 -14.4 30 7 333.3 333.6 294.3 339.9 1.87 13 406 7450 -14.7 -16.3 88 1.6 -15.3 26 8 334.5 335.0 295.2 343.7 2.64 14 391 7734 -16.3 -20.6 69 4.3 -17.7 2 8 336.0 336.4 295.0 342.8 1.90 15 279 10180 -34.9 -36.0 90 1.1 -35.1 119 11 343.2 343.4 295.7 345.7 0.63 16 225 11643 -46.9 -52.9 50 6.0 -47.2 93 24 346.6 346.7 296.0 347.2 0.13 17 214 11973 -49.9 -53.7 64 3.8 -50.1 92 28 347.0 347.0 296.1 347.5 0.12 18 193 12642 -53.9 -63.9 28 10.0 -54.1 86 24 351.0 351.0 296.9 351.1 0.04 19 170 13447 -58.9 -68.9 26 10.0 -59.0 96 23 355.6 355.6 297.8 355.7 0.02 20 162 13748 -61.3 -74.3 16 13.0 -61.4 100 23 356.5 356.5 298.0 356.6 0.01 21 114 15838 -78.7 -84.7 37 6.0 -78.7 340 2 361.9 361.9 299.1 361.9 0.00 22 108 16147 -77.7 -83.7 37 6.0 -77.7 317 2 369.4 369.4 300.5 369.4 0.00 23 91 17111 -84.1 -90.1 34 6.0 -84.1 294 2 375.2 375.2 301.5 375.2 0.00 24 83 17619 -85.3 -91.3 33 6.0 -85.3 220 5 382.8 382.8 302.7 382.8 0.00 25 75 18192 -75.3 -79.8 49 4.5 -75.3 274 12 415.0 415.0 307.2 415.1 0.01 26 70 18590 -76.7 -84.7 27 8.0 -76.7 310 16 420.3 420.3 307.7 420.3 0.00 27 58 19684 -69.5 -81.5 16 12.0 -69.6 299 10 459.8 459.8 311.8 459.8 0.01 28 50 20560 -71.3 -87.3 8 16.0 -71.4 270 16 475.5 475.5 313.1 475.5 0.00 29 38 22230 -58.9 -88.9 1 30.0 -59.7 278 20 545.9 545.9 317.9 545.9 0.00 30 30 23710 -59.5 -89.5 1 30.0 -60.4 285 23 582.4 582.4 319.8 582.5 0.00 31 20 26280 -55.7 -86.7 1 31.0 -57.8 85 47 665.7 665.7 323.3 665.8 0.01 32 18 26951 -55.9 -86.9 1 31.0 -58.1 85 53 685.4 685.4 324.0 685.5 0.01 33 15 28130 -48.6 -81.8 1 33.2 -53.4 85 64 746.2 746.2 325.8 746.5 0.03 34 14 28587 -45.9 -79.9 1 34.0 -51.9 85 64 770.4 770.4 326.5 770.8 0.05 TRP 83 17619 -85.3 -91.3 33 6.0 -85.3 220 5 382.8 382.8 302.7 382.8 0.00 WND 15 28130 -48.6 -81.8 1 33.2 -53.4 85 64 746.2 746.2 325.8 746.5 0.03 Sounding variables and indices 1000-500 mb thick: 5751.56 m Freezing level: 548.00 mb = 5119.56 m = 16796.26 ft Wetbulb zero: 570.73 mb = 4793.74 m = 15727.31 ft Precipitable water: 2.47 inches Sfc-500 mean rel hum: 83.35 % Est. max temperature: 31.96 C = 89.52 F Sfc-Lift cond lev (LCL): 988.18 mb = 194.59 m = 638.42 ft T: 25.46 C 700-500 lapse rate: 6.02 C/km ThetaE index: 22.23 C Layer 962.0- 648.0 mb Conv cond level (CCL): 933.88 mb = 686.03 m = 2250.74 ft Mean mixing ratio: 18.89 g/kg Conv temperature: 29.24 C = 84.63 F Cap Strength: 0.57 C Lifted Index: -4.67 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -5.93 C Lifted Index @700 mb: -1.38 C Showalter Index: -2.47 C Risk: Severe thunderstorms possible Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.17 C Cross Totals Index: 23.13 C K Index: 33.55 Risk: 60-80 % chance of thunderstorms Sweat Index: 228.55 Risk: None Energy Index: -1.82 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1914.91 J/kg Max Up Vert Vel: 61.89 m/s Conv Inhibition (B-): 3.48 J/kg Cap Strength: 0.57 C Lift Cond Lev (LCL): 945.84 mb = 575.74 m = 1888.90 ft Lev Free Conv (LFC): 920.84 mb = 807.81 m = 2650.25 ft Equ Level (EL): 160.84 mb = 13790.55 m = 45244.05 ft B at Equ Level: 1911.02 J/kg Max Parcel Lev (MPL): 70.84 mb = 18521.12 m = 60764.07 ft Wind level data Storm motion: 128 at 5 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 21 150 2 -1.0 1.7 | 293 3 2.6 -1.1 1 975 305 145 8 -4.6 6.6 | 166 4 -0.9 3.7 2 907 914 75 1 -1.0 -0.3 | 319 4 2.7 -3.1 3 850 1457 90 6 -6.0 0.0 | 39 4 -2.4 -2.9 4 781 2134 110 7 -6.6 2.4 | 81 3 -2.9 -0.5 5 700 3012 170 6 -1.0 5.9 | 221 4 2.6 3.0 6 643 3658 185 7 0.6 7.0 | 226 6 4.3 4.1 7 594 4267 45 6 -4.2 -4.2 | 5 7 -0.6 -7.1 8 570 4572 50 9 -6.9 -5.8 | 21 9 -3.2 -8.7 9 500 5574 40 6 -3.9 -4.6 | 2 7 -0.2 -7.5 10 400 7185 25 8 -3.4 -7.3 | 358 10 0.3 -10.1 11 393 7315 360 8 -0.0 -8.0 | 341 11 3.6 -10.9 12 300 9164 115 10 -9.1 4.2 | 104 6 -5.4 1.3 13 274 9754 120 11 -9.5 5.5 | 114 6 -5.9 2.6 14 250 10363 95 15 -14.9 1.3 | 82 11 -11.3 -1.6 15 200 11775 90 34 -34.0 0.0 | 85 30 -30.4 -2.9 16 196 11887 85 24 -23.9 -2.1 | 76 21 -20.3 -5.0 17 152 13411 105 23 -22.2 6.0 | 99 19 -18.6 3.1 18 150 13509 5 3 -0.3 -3.0 | 330 7 3.4 -5.9 19 130 14326 35 2 -1.1 -1.6 | 331 5 2.5 -4.5 20 100 15797 285 2 1.9 -0.5 | 301 7 5.6 -3.4 21 96 16154 10 21 -3.6 -20.7 | 360 24 0.0 -23.6 22 93 16459 345 2 0.5 -1.9 | 319 6 4.2 -4.8 23 91 16764 285 2 1.9 -0.5 | 301 7 5.6 -3.4 24 83 17619 220 5 3.2 3.8 | 262 7 6.9 1.0 25 70 18590 310 16 12.3 -10.3 | 310 21 15.9 -13.2 26 60 19507 305 9 7.4 -5.2 | 306 14 11.0 -8.0 27 50 20560 270 16 16.0 -0.0 | 278 20 19.6 -2.9 28 30 23710 285 23 22.2 -6.0 | 289 27 25.9 -8.8 29 27 24384 325 27 15.5 -22.1 | 323 31 19.1 -25.0 30 20 26280 85 47 -46.8 -4.1 | 81 44 -43.2 -7.0 31 15 28130 85 64 -63.8 -5.6 | 82 61 -60.1 -8.5 32 14 28346 85 64 -63.8 -5.6 | 82 61 -60.1 -8.5 33 13 28651 85 59 -58.8 -5.1 | 82 56 -55.1 -8.0 Wind Parameters Mean winds (0-6000m): 98.3 at 6.2 knts Storm direction: 128.3 at 4.6 knts Shear (0-3000m) pos: 1.1 neg: 0.4 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -72.6 deg Storm rel helicity (0-3000m) pos: 10.6 neg: -6.2 tot: 4.4 m^2/s^2 ave: 1.5 10^-3 m/s^2 rel: 0.04 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 0.2 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 774.02 Bulk Shear: 2.47 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 ------------------------------------------------------------------------------- 500 140 6 180 2| 0.0 4.0 4.0| 0.0 -3.8 -3.8 -7.7 -0.79| 10.0 -8.0 1000 139 4 244 1| 0.0 1.2 1.2| 0.9 -6.2 -5.4 -5.4 -0.70| 8.2 -5.7 1500 122 4 358 1| 1.4 0.8 2.2| 4.7 -6.2 -1.5 -1.0 -0.34| 7.0 -2.4 2000 114 5 41 1| 1.3 0.6 1.9| 6.2 -6.2 -0.0 -0.0 -0.24| 5.7 -1.3 2500 116 5 61 1| 1.2 0.5 1.7| 8.3 -6.2 2.1 0.8 -0.07| 5.3 -0.4 3000 122 5 91 1| 1.1 0.4 1.5| 10.6 -6.2 4.4 1.5 0.04| 5.1 0.2 4000 136 6 163 1| 1.0 1.4 2.3| 11.2 -12.3 -1.1 -0.3 -0.16| 5.3 -0.9 5000 116 6 82 2| 0.8 1.6 2.4| 14.9 -20.3 -5.4 -1.1 -0.20| 5.3 -1.1 6000 98 6 51 3| 0.6 1.3 1.9| 14.9 -23.5 -8.7 -1.4 -0.22| 4.6 -1.0 Wrote GIF file: /home/apache/climate/data/raob//WITT/skewt/WITT.skewt.20250427.00.gif