UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041900.upa.cvt Date: 0000Z 19 APR 25 Searching for WITT... Searching the city database file for: WITT ... Date:0000Z 19 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 1007 21 24.4 23.0 92 1.4 23.4 220 3 297.0 300.2 296.3 348.5 17.83 1 1000 80 24.0 23.2 95 0.8 23.5 205 3 297.1 300.4 296.6 349.8 18.19 2 983 231 25.4 22.8 86 2.6 23.5 252 3 300.0 303.3 297.3 352.9 18.06 3 975 303 25.2 21.7 81 3.5 22.7 274 3 300.5 303.6 296.7 350.4 17.00 4 960 440 25.4 20.9 76 4.5 22.2 268 8 302.1 305.1 296.7 350.5 16.42 5 925 767 23.0 19.8 82 3.2 20.7 250 20 302.8 305.8 296.6 349.9 15.91 6 911 900 22.0 18.9 83 3.1 19.8 246 20 303.1 305.9 296.3 348.3 15.26 7 850 1500 18.0 16.4 90 1.6 16.9 270 14 305.0 307.6 295.9 346.6 13.94 8 803 1986 15.0 14.3 96 0.7 14.6 262 14 306.8 309.2 295.6 345.6 12.87 9 792 2103 14.6 14.0 96 0.6 14.2 261 14 307.6 310.0 295.8 346.2 12.80 10 700 3142 10.6 7.3 80 3.3 8.6 275 18 314.2 316.0 295.0 342.9 9.21 11 689 3274 10.0 6.3 78 3.7 7.8 276 19 315.0 316.7 294.8 342.3 8.73 12 667 3544 8.6 5.6 81 3.0 6.8 279 20 316.3 318.0 295.1 343.3 8.59 13 616 4197 4.2 3.1 93 1.1 3.5 297 15 318.6 320.1 295.1 343.3 7.79 14 500 5870 -4.9 -7.2 84 2.3 -6.0 5 4 327.1 328.0 294.8 342.0 4.46 15 400 7590 -15.1 -21.1 60 6.0 -17.0 30 10 335.4 335.7 294.7 341.7 1.78 16 380 7976 -17.9 -22.9 65 5.0 -19.4 34 13 336.6 337.0 294.9 342.4 1.60 17 364 8298 -19.9 -20.9 92 1.0 -20.2 60 14 338.1 338.5 295.6 345.3 1.99 18 348 8631 -21.3 -32.3 36 11.0 -23.6 87 15 340.6 340.8 295.1 343.4 0.73 19 300 9710 -29.5 -37.5 46 8.0 -30.7 110 10 343.8 343.9 295.7 345.8 0.51 20 266 10554 -37.1 -37.8 93 0.7 -37.2 92 14 344.7 344.9 296.0 346.9 0.55 21 250 10980 -40.3 -41.3 90 1.0 -40.4 75 18 346.2 346.2 296.1 347.8 0.41 22 234 11427 -43.5 -51.5 41 8.0 -44.0 81 19 347.9 347.9 296.3 348.5 0.14 23 200 12460 -52.9 -55.7 71 2.8 -53.0 95 23 349.0 349.0 296.5 349.4 0.10 24 150 14240 -68.3 -72.4 55 4.1 -68.3 90 32 352.4 352.4 297.2 352.5 0.01 25 141 14608 -71.3 -77.3 40 6.0 -71.3 94 30 353.5 353.5 297.4 353.5 0.01 26 124 15357 -76.3 -81.1 46 4.8 -76.3 103 27 357.6 357.6 298.2 357.6 0.00 27 104 16359 -80.7 -85.5 44 4.8 -80.7 65 16 367.7 367.7 300.1 367.7 0.00 28 100 16580 -80.9 -85.9 43 5.0 -80.9 85 17 371.4 371.4 300.8 371.4 0.00 29 70 18600 -77.3 -83.3 38 6.0 -77.3 280 15 419.0 419.0 307.6 419.0 0.01 30 50 20580 -70.3 -92.3 3 22.0 -70.5 285 29 477.8 477.8 313.2 477.8 0.00 TRP 104 16359 -80.7 -85.5 44 4.8 -80.7 65 16 367.7 367.7 300.1 367.7 0.00 WND Sounding variables and indices 1000-500 mb thick: 5790.00 m Freezing level: 562.46 mb = 4969.32 m = 16303.36 ft Wetbulb zero: 573.06 mb = 4776.60 m = 15671.06 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 87.04 % Est. max temperature: 32.24 C = 90.03 F Sfc-Lift cond lev (LCL): 987.07 mb = 194.75 m = 638.94 ft T: 25.06 C 700-500 lapse rate: 5.68 C/km ThetaE index: 4.98 C Layer 925.0- 792.0 mb Conv cond level (CCL): 874.78 mb = 1251.28 m = 4105.19 ft Mean mixing ratio: 16.67 g/kg Conv temperature: 31.69 C = 89.03 F Cap Strength: 1.80 C Lifted Index: -2.05 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.31 C Lifted Index @700 mb: -0.08 C Showalter Index: -0.70 C Risk: Thunderstorms probable Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.30 C K Index: 36.00 Risk: > 80 % chance of thunderstorms Sweat Index: 228.80 Risk: None Energy Index: -0.99 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 592.18 J/kg Max Up Vert Vel: 34.41 m/s Conv Inhibition (B-): 40.19 J/kg Cap Strength: 1.80 C Lift Cond Lev (LCL): 913.67 mb = 874.65 m = 2869.55 ft Lev Free Conv (LFC): 838.67 mb = 1614.60 m = 5297.19 ft Equ Level (EL): 178.67 mb = 13157.96 m = 43168.62 ft B at Equ Level: 587.14 J/kg Max Parcel Lev (MPL): 98.67 mb = 16656.10 m = 54645.32 ft Wind level data Storm motion: 306 at 10 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 1007 21 220 3 1.9 2.3 | 143 10 -6.1 8.2 1 1000 80 205 3 1.3 2.7 | 142 11 -6.8 8.6 2 975 305 275 3 3.0 -0.3 | 138 8 -5.1 5.6 3 925 767 250 20 18.8 6.8 | 220 17 10.7 12.8 4 909 914 245 20 18.1 8.5 | 215 18 10.1 14.4 5 850 1500 270 14 14.0 -0.0 | 225 8 6.0 5.9 6 789 2134 260 14 13.8 2.4 | 215 10 5.7 8.3 7 700 3142 275 18 17.9 -1.6 | 246 11 9.9 4.3 8 657 3658 280 21 20.7 -3.6 | 260 13 12.6 2.3 9 609 4267 300 14 12.1 -7.0 | 285 4 4.1 -1.1 10 500 5870 5 4 -0.3 -4.0 | 103 9 -8.4 1.9 11 400 7590 30 10 -5.0 -8.7 | 78 13 -13.0 -2.7 12 382 7925 30 13 -6.5 -11.3 | 70 15 -14.5 -5.3 13 338 8839 105 15 -14.5 3.9 | 113 25 -22.5 9.8 14 300 9710 110 10 -9.4 3.4 | 118 20 -17.4 9.3 15 273 10363 110 15 -14.1 5.1 | 117 25 -22.1 11.0 16 250 10973 50 13 -10.0 -8.4 | 82 18 -18.0 -2.4 17 250 10980 75 18 -17.4 -4.7 | 93 25 -25.4 1.3 18 200 12460 95 23 -22.9 2.0 | 104 32 -31.0 7.9 19 180 13106 100 24 -23.6 4.2 | 108 33 -31.7 10.1 20 150 14240 90 32 -32.0 0.0 | 98 40 -40.0 5.9 21 120 15545 105 26 -25.1 6.7 | 111 35 -33.2 12.6 22 104 16359 65 16 -14.5 -6.8 | 88 23 -22.5 -0.9 23 100 16580 85 17 -16.9 -1.5 | 100 25 -25.0 4.4 24 97 16764 75 18 -17.4 -4.7 | 93 25 -25.4 1.3 25 82 17678 155 7 -3.0 6.3 | 138 16 -11.0 12.3 26 74 18288 305 2 1.6 -1.1 | 127 8 -6.4 4.8 27 70 18600 280 15 14.8 -2.6 | 244 7 6.7 3.3 28 51 20422 285 44 42.5 -11.4 | 279 35 34.5 -5.5 29 50 20580 285 29 28.0 -7.5 | 275 20 20.0 -1.6 30 48 20726 285 30 29.0 -7.8 | 275 21 20.9 -1.9 Wind Parameters Mean winds (0-6000m): 276.3 at 13.3 knts Storm direction: 306.3 at 10.0 knts Shear (0-3000m) pos: 2.4 neg: 1.7 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 99.1 deg Storm rel helicity (0-3000m) pos: 43.1 neg: -10.1 tot: 33.1 m^2/s^2 ave: 11.0 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 2.5 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 54.24 Bulk Shear: 10.92 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 ------------------------------------------------------------------------------- 500 255 5 154 8| 9.3 0.0 9.3| 12.0 -0.5 11.5 23.1 0.63| 11.2 7.1 1000 249 11 194 10| 4.6 4.5 9.1| 23.8 -6.1 17.7 17.7 0.40| 12.2 4.9 1500 253 13 204 11| 3.1 3.0 6.1| 29.5 -6.1 23.4 15.6 0.36| 10.8 3.8 2000 256 13 208 10| 2.4 2.5 4.9| 29.5 -9.4 20.1 10.1 0.29| 8.6 2.5 2500 258 13 210 10| 2.2 2.0 4.3| 35.1 -10.1 25.1 10.0 0.33| 7.4 2.4 3000 260 14 215 10| 2.4 1.7 4.1| 43.1 -10.1 33.1 11.0 0.38| 6.6 2.5 4000 267 15 227 10| 2.2 1.3 3.5| 60.0 -10.1 49.9 12.5 0.42| 6.2 2.6 5000 273 15 233 8| 1.9 1.0 2.9| 67.1 -10.1 57.1 11.4 0.47| 6.1 2.9 6000 276 13 229 7| 1.4 0.8 2.3| 75.2 -10.9 64.3 10.7 0.49| 5.7 2.8 Wrote GIF file: /home/apache/climate/data/raob//WITT/skewt/WITT.skewt.20250419.00.gif