UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for WITT... Searching the city database file for: WITT ... Date:0000Z 1 MAY 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 25.6 24.2 92 1.4 24.6 160 4 298.1 301.6 297.5 353.9 19.19 1 1000 89 25.0 24.3 96 0.7 24.5 100 5 298.1 301.7 297.7 354.8 19.47 2 976 304 24.8 24.1 96 0.7 24.3 336 6 300.0 303.6 298.3 357.9 19.72 3 925 775 22.0 21.7 98 0.3 21.8 195 1 301.8 305.1 297.7 354.8 17.94 4 912 898 21.4 20.1 92 1.3 20.5 164 2 302.4 305.4 296.8 351.1 16.45 5 895 1061 20.2 19.9 98 0.3 20.0 146 3 302.8 305.9 297.0 351.9 16.56 6 850 1506 18.4 15.1 81 3.3 16.2 105 8 305.4 307.8 295.2 343.7 12.80 7 794 2081 15.8 10.8 72 5.0 12.6 79 10 308.7 310.6 294.3 340.0 10.30 8 700 3130 10.2 5.6 73 4.6 7.5 260 5 313.8 315.3 294.1 339.3 8.18 9 615 4195 5.2 2.2 81 3.0 3.5 180 10 319.9 321.3 295.1 343.3 7.32 10 500 5850 -5.3 -6.1 94 0.8 -5.7 55 8 326.6 327.5 295.0 342.7 4.86 11 400 7540 -16.1 -17.0 93 0.9 -16.4 135 9 334.1 334.6 295.0 342.9 2.52 12 300 9640 -29.3 -37.3 46 8.0 -30.6 335 3 344.1 344.2 295.8 346.1 0.52 13 268 10437 -34.7 -44.7 36 10.0 -35.8 82 7 347.5 347.6 296.3 348.6 0.27 TRP WND Sounding variables and indices 1000-500 mb thick: 5761.00 m Freezing level: 558.05 mb = 5014.40 m = 16451.24 ft Wetbulb zero: 571.54 mb = 4780.68 m = 15684.45 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 83.45 % Est. max temperature: 32.49 C = 90.48 F Sfc-Lift cond lev (LCL): 988.14 mb = 194.40 m = 637.79 ft T: 24.90 C 700-500 lapse rate: 5.70 C/km ThetaE index: 12.60 C Layer 850.0- 615.0 mb Conv cond level (CCL): 935.76 mb = 673.43 m = 2209.38 ft Mean mixing ratio: 18.73 g/kg Conv temperature: 28.96 C = 84.13 F Cap Strength: 0.46 C Lifted Index: -4.27 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.89 C Lifted Index @700 mb: -1.89 C Showalter Index: 0.01 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 20.40 C K Index: 34.20 Risk: 60-80 % chance of thunderstorms Sweat Index: 205.20 Risk: None Energy Index: -0.32 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1157.93 J/kg Max Up Vert Vel: 48.12 m/s Conv Inhibition (B-): 1.70 J/kg Cap Strength: 0.46 C Lift Cond Lev (LCL): 948.69 mb = 552.87 m = 1813.85 ft Lev Free Conv (LFC): 913.69 mb = 881.99 m = 2893.62 ft Wind level data Storm motion: 138 at 6 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 21 160 4 -1.4 3.8 | 290 3 2.9 -1.0 1 1000 89 100 5 -4.9 0.9 | 9 4 -0.7 -3.9 2 976 305 335 6 2.5 -5.4 | 326 12 6.8 -10.2 3 943 610 345 8 2.1 -7.7 | 333 14 6.3 -12.5 4 925 775 195 1 0.3 1.0 | 310 6 4.5 -3.8 5 910 914 160 2 -0.7 1.9 | 309 5 3.6 -2.9 6 850 1506 105 8 -7.7 2.1 | 52 4 -3.5 -2.7 7 848 1524 120 7 -6.1 3.5 | 54 2 -1.8 -1.3 8 789 2134 75 10 -9.7 -2.6 | 36 9 -5.4 -7.4 9 700 3130 260 5 4.9 0.9 | 293 10 9.2 -3.9 10 681 3353 320 9 5.8 -6.9 | 319 15 10.1 -11.7 11 608 4267 165 10 -2.6 9.7 | 199 5 1.7 4.9 12 586 4572 145 16 -9.2 13.1 | 149 10 -4.9 8.3 13 504 5791 55 8 -6.6 -4.6 | 14 10 -2.3 -9.4 14 500 5850 55 8 -6.6 -4.6 | 14 10 -2.3 -9.4 15 412 7315 135 9 -6.4 6.4 | 127 3 -2.1 1.6 16 400 7540 135 9 -6.4 6.4 | 127 3 -2.1 1.6 17 300 9640 335 3 1.3 -2.7 | 324 9 5.5 -7.5 18 257 10668 120 8 -6.9 4.0 | 73 3 -2.7 -0.8 Wind Parameters Mean winds (0-6000m): 108.4 at 8.6 knts Storm direction: 138.4 at 6.4 knts Shear (0-3000m) pos: 1.8 neg: 3.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 10.4 deg Storm rel helicity (0-3000m) pos: 12.6 neg: -105.2 tot: -92.6 m^2/s^2 ave: -30.9 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 11.5 stream: -4.1 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 61.61 Bulk Shear: 18.80 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 ------------------------------------------------------------------------------- 500 359 6 338 12| 0.0 11.7 11.7| 7.9 -17.5 -9.6 -19.2 -0.00| 18.7 -0.1 1000 354 5 334 11| 5.4 5.9 11.2| 10.7 -36.5 -25.7 -25.7 -0.17| 16.7 -2.8 1500 57 5 0 8| 3.6 3.5 7.1| 12.6 -36.5 -23.9 -15.9 -0.05| 13.2 -0.6 2000 82 6 16 6| 2.7 3.9 6.6| 12.6 -38.6 -26.0 -13.0 -0.07| 11.3 -0.8 2500 71 7 16 7| 2.2 4.5 6.7| 12.6 -70.3 -57.7 -23.1 -0.25| 11.6 -2.9 3000 73 7 17 7| 1.8 3.1 4.9| 12.6-105.2 -92.6 -30.9 -0.36| 11.5 -4.1 4000 66 7 16 8| 0.9 0.9 1.8| 28.2-164.3-136.1 -34.0 -0.39| 11.9 -4.7 5000 115 8 68 3| 0.7 1.2 2.0| 28.2-205.6-177.4 -35.5 -0.49| 11.9 -5.9 6000 108 9 61 4| 0.6 1.3 1.9| 30.7-231.5-200.8 -33.5 -0.52| 11.0 -5.8 Wrote GIF file: /home/apache/climate/data/raob//WITT/skewt/WITT.skewt.20250501.00.gif