UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for WITT... Searching the city database file for: WITT ... Date:0000Z 20 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 1006 21 24.8 23.6 93 1.2 23.9 160 4 297.4 300.8 296.9 351.2 18.53 1 1000 76 24.4 23.3 94 1.1 23.6 250 2 297.5 300.9 296.8 350.6 18.30 2 975 299 26.2 20.2 70 6.0 21.9 255 11 301.5 304.4 296.0 347.1 15.46 3 954 491 25.2 19.2 69 6.0 21.0 245 13 302.4 305.1 295.8 346.2 14.84 4 925 762 23.2 18.2 73 5.0 19.7 230 16 303.0 305.7 295.6 345.6 14.36 5 911 894 22.2 17.2 73 5.0 18.8 226 19 303.3 305.9 295.3 343.9 13.68 6 850 1491 17.8 16.3 91 1.5 16.8 255 23 304.8 307.4 295.8 346.1 13.85 7 791 2104 15.0 13.3 90 1.7 13.9 236 15 308.1 310.4 295.6 345.2 12.23 8 757 2476 14.0 10.9 82 3.1 12.0 307 11 310.9 313.0 295.3 344.3 10.89 9 700 3133 9.6 9.3 98 0.3 9.4 355 4 313.1 315.1 295.7 345.8 10.57 10 673 3458 9.2 7.2 87 2.0 7.9 8 4 316.2 318.0 295.7 346.0 9.52 11 615 4197 4.8 2.6 86 2.2 3.5 36 4 319.4 320.9 295.1 343.4 7.53 12 587 4574 1.8 0.4 90 1.4 1.0 87 10 320.2 321.5 294.7 341.8 6.73 13 508 5725 -3.7 -14.7 42 11.0 -8.1 68 21 327.0 327.5 293.2 335.3 2.41 14 500 5850 -4.7 -10.7 63 6.0 -7.3 65 22 327.3 328.0 294.0 338.7 3.38 15 477 6219 -7.3 -8.5 91 1.2 -7.8 45 20 328.5 329.4 295.0 342.7 4.22 16 438 6878 -11.5 -11.5 100 0.0 -11.5 1 8 331.3 332.1 295.2 343.7 3.63 17 427 7073 -12.3 -12.3 100 0.0 -12.3 26 9 332.7 333.4 295.4 344.7 3.49 18 400 7570 -14.7 -24.7 42 10.0 -17.6 90 10 335.9 336.1 294.4 340.6 1.29 19 377 8015 -16.9 -27.9 38 11.0 -19.7 83 14 338.7 338.9 294.9 342.5 1.02 20 342 8734 -23.1 -23.1 100 0.0 -23.1 56 18 339.9 340.2 295.8 346.2 1.74 21 300 9680 -28.5 -41.5 28 13.0 -30.3 55 22 345.2 345.3 295.8 346.6 0.34 22 263 10610 -36.5 -45.5 39 9.0 -37.4 44 21 346.7 346.8 296.1 347.7 0.25 23 250 10960 -39.7 -43.0 71 3.3 -40.0 40 20 347.0 347.1 296.3 348.4 0.34 24 242 11181 -41.7 -42.9 88 1.2 -41.8 43 21 347.3 347.4 296.4 348.7 0.36 25 222 11757 -46.7 -48.8 79 2.1 -46.8 59 22 348.3 348.3 296.4 349.1 0.20 26 200 12440 -51.7 -55.0 68 3.3 -51.8 95 18 350.9 350.9 296.9 351.4 0.11 27 192 12702 -53.7 -56.9 68 3.2 -53.8 99 19 351.8 351.8 297.1 352.2 0.09 28 162 13764 -63.5 -64.5 88 1.0 -63.5 116 23 352.8 352.8 297.3 353.0 0.04 29 150 14230 -67.7 -70.1 71 2.4 -67.7 110 28 353.5 353.5 297.4 353.6 0.02 30 127 15207 -76.5 -80.0 57 3.5 -76.5 92 35 354.8 354.8 297.7 354.8 0.01 31 103 16394 -81.9 -85.8 51 3.9 -81.9 70 44 366.4 366.4 299.9 366.4 0.00 32 100 16560 -80.9 -85.0 50 4.1 -80.9 70 35 371.4 371.4 300.8 371.4 0.00 33 83 17610 -81.7 -88.7 29 7.0 -81.7 66 23 390.1 390.1 303.8 390.1 0.00 34 73 18340 -77.3 -83.3 38 6.0 -77.3 340 18 414.0 414.0 307.0 414.0 0.01 35 70 18580 -78.9 -86.9 26 8.0 -78.9 280 17 415.6 415.6 307.2 415.6 0.00 36 50 20560 -66.7 -93.7 1 27.0 -67.0 270 23 486.3 486.3 314.0 486.3 0.00 TRP 103 16394 -81.9 -85.8 51 3.9 -81.9 70 44 366.4 366.4 299.9 366.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5774.00 m Freezing level: 561.15 mb = 4950.56 m = 16241.79 ft Wetbulb zero: 578.16 mb = 4694.58 m = 15401.99 ft Precipitable water: 2.34 inches Sfc-500 mean rel hum: 80.65 % Est. max temperature: 32.02 C = 89.63 F Sfc-Lift cond lev (LCL): 989.01 mb = 173.40 m = 568.91 ft T: 25.19 C 700-500 lapse rate: 5.26 C/km ThetaE index: 7.28 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 851.91 mb = 1471.72 m = 4828.41 ft Mean mixing ratio: 15.35 g/kg Conv temperature: 32.12 C = 89.81 F Cap Strength: 2.13 C Lifted Index: -0.62 C Risk: Thunderstorms probable Lifted Index @300 mb: 1.60 C Lifted Index @700 mb: -0.12 C Showalter Index: -0.33 C Risk: Thunderstorms probable Total Totals Index: 43.50 C Risk: None Vertical Totals Index: 22.50 C Cross Totals Index: 21.00 C K Index: 38.50 Risk: > 80 % chance of thunderstorms Sweat Index: 263.60 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 120.56 J/kg Max Up Vert Vel: 15.53 m/s Conv Inhibition (B-): 112.01 J/kg Cap Strength: 2.13 C Lift Cond Lev (LCL): 891.44 mb = 1081.28 m = 3547.46 ft Lev Free Conv (LFC): 606.44 mb = 4310.21 m = 14140.93 ft Equ Level (EL): 386.44 mb = 7828.85 m = 25684.88 ft B at Equ Level: 115.17 J/kg Max Parcel Lev (MPL): 236.44 mb = 11336.07 m = 37191.38 ft Wind level data Storm motion: 292 at 9 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 1006 21 160 4 -1.4 3.8 | 126 12 -10.0 7.2 1 1000 76 250 2 1.9 0.7 | 122 8 -6.8 4.2 2 974 305 255 11 10.6 2.8 | 197 7 2.0 6.3 3 925 762 230 16 12.3 10.3 | 195 14 3.6 13.8 4 909 914 225 19 13.4 13.4 | 196 18 4.8 16.9 5 850 1491 255 23 22.2 6.0 | 235 17 13.6 9.4 6 847 1524 255 23 22.2 6.0 | 235 17 13.6 9.4 7 788 2134 235 15 12.3 8.6 | 197 13 3.6 12.1 8 733 2743 5 7 -0.6 -7.0 | 69 10 -9.3 -3.5 9 700 3133 355 4 0.3 -4.0 | 87 8 -8.3 -0.5 10 608 4267 40 4 -2.6 -3.1 | 92 11 -11.2 0.4 11 586 4572 90 10 -10.0 0.0 | 101 19 -18.6 3.5 12 500 5850 65 22 -19.9 -9.3 | 79 29 -28.6 -5.8 13 484 6096 60 23 -19.9 -11.5 | 74 30 -28.6 -8.0 14 447 6706 340 8 2.7 -7.5 | 56 7 -5.9 -4.0 15 400 7570 90 10 -10.0 0.0 | 101 19 -18.6 3.5 16 366 8230 80 16 -15.8 -2.8 | 92 24 -24.4 0.7 17 323 9144 35 19 -10.9 -15.6 | 58 23 -19.5 -12.1 18 310 9449 60 22 -19.1 -11.0 | 75 29 -27.7 -7.5 19 300 9680 55 22 -18.0 -12.6 | 71 28 -26.7 -9.1 20 250 10960 40 20 -12.9 -15.3 | 61 25 -21.5 -11.8 21 228 11582 50 23 -17.6 -14.8 | 67 29 -26.3 -11.3 22 200 12440 95 18 -17.9 1.6 | 101 27 -26.6 5.1 23 155 14021 120 24 -20.8 12.0 | 118 33 -29.4 15.5 24 150 14230 110 28 -26.3 9.6 | 110 37 -35.0 13.1 25 103 16394 70 44 -41.3 -15.0 | 77 51 -50.0 -11.6 26 100 16560 70 35 -32.9 -12.0 | 78 42 -41.5 -8.5 27 96 16764 70 35 -32.9 -12.0 | 78 42 -41.5 -8.5 28 91 17069 60 30 -26.0 -15.0 | 72 36 -34.6 -11.5 29 78 17983 70 19 -17.9 -6.5 | 84 27 -26.5 -3.0 30 70 18580 280 17 16.7 -3.0 | 266 8 8.1 0.5 31 70 18593 0 0 -0.0 -0.0 | 112 9 -8.6 3.5 32 50 20560 270 23 23.0 -0.0 | 256 15 14.4 3.5 33 45 21031 270 23 23.0 -0.0 | 256 15 14.4 3.5 Wind Parameters Mean winds (0-6000m): 262.0 at 12.4 knts Storm direction: 292.0 at 9.3 knts Shear (0-3000m) pos: 3.2 neg: 1.8 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): -45.1 deg Storm rel helicity (0-3000m) pos: 97.5 neg: -38.8 tot: 58.7 m^2/s^2 ave: 19.6 10^-3 m/s^2 rel: 0.42 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 5.3 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 45.30 Bulk Shear: 2.66 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 ------------------------------------------------------------------------------- 500 249 9 175 7| 13.9 0.0 13.9| 14.6 -0.1 14.5 29.0 0.53| 16.8 8.8 1000 237 13 190 11| 6.9 3.8 10.7| 24.3 -2.6 21.7 21.7 0.38| 13.3 5.1 1500 240 16 204 12| 7.1 2.5 9.6| 67.2 -2.6 64.6 43.1 0.55| 12.2 6.7 2000 243 17 209 13| 5.3 2.7 8.0| 67.2 -33.7 33.6 16.8 0.26| 11.3 3.0 2500 245 16 210 12| 4.9 2.1 7.1| 83.8 -38.8 45.0 18.0 0.37| 13.4 5.0 3000 247 14 207 10| 3.2 1.8 5.0| 97.5 -38.8 58.7 19.6 0.42| 12.8 5.3 4000 252 12 200 7| 2.2 1.3 3.5|101.1 -38.8 62.3 15.6 0.42| 10.0 4.2 5000 251 11 194 7| 1.5 1.3 2.8|113.6 -52.9 60.7 12.1 0.36| 9.4 3.4 6000 262 12 215 6| 1.2 1.4 2.6|113.6-111.0 2.6 0.4 0.24| 8.8 2.1 Wrote GIF file: /home/apache/climate/data/raob//WITT/skewt/WITT.skewt.20250420.00.gif