UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2020032900.upa.cvt Date: 0000Z 29 MAR 20 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 29 MAR 20 Station: VVNB WMO ident: 48820 Latitude: 21.02 Longitude: 105.80 Elevation: 6.00 ------------------------------------------------------------------------------- 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 1009 6 23.0 21.5 91 1.5 21.9 150 3 295.4 298.3 294.8 341.9 16.20 1 1000 83 22.4 21.3 94 1.1 21.6 130 7 295.5 298.5 294.8 341.9 16.15 2 955 484 20.2 20.2 100 0.0 20.2 154 19 297.2 300.1 295.0 342.9 15.79 3 925 761 20.2 20.2 100 0.0 20.2 170 27 300.0 302.9 296.1 347.7 16.32 4 850 1489 16.4 16.4 100 0.0 16.4 200 21 303.3 305.9 295.4 344.7 13.94 5 831 1682 15.2 15.2 100 0.0 15.2 208 21 304.0 306.5 295.1 343.3 13.19 6 827 1723 15.0 14.0 94 1.0 14.3 210 22 304.2 306.5 294.5 340.7 12.24 7 805 1953 18.2 9.2 56 9.0 12.5 220 22 310.0 311.7 293.8 337.9 9.11 8 700 3135 9.4 4.4 71 5.0 6.5 270 25 312.9 314.3 293.4 336.3 7.51 9 689 3266 8.6 4.5 75 4.1 6.2 271 25 313.4 314.9 293.7 337.4 7.69 10 649 3759 6.0 -5.0 45 11.0 0.6 276 27 315.9 316.7 291.4 328.9 4.06 11 605 4331 2.2 -6.8 51 9.0 -2.0 281 29 317.9 318.6 291.7 330.2 3.80 12 593 4494 4.4 -18.6 17 23.0 -4.1 282 30 322.3 322.6 291.0 327.4 1.49 13 586 4591 5.0 -18.0 17 23.0 -3.8 283 30 324.1 324.4 291.6 329.5 1.58 14 573 4774 4.6 -21.4 13 26.0 -4.6 285 31 325.7 325.9 291.7 329.9 1.21 15 500 5870 -3.1 -32.1 9 29.0 -10.7 295 35 329.3 329.4 292.0 331.2 0.52 16 440 6865 -11.5 -31.5 17 20.0 -16.2 295 38 330.9 331.0 292.6 333.2 0.62 17 433 6988 -10.9 -35.9 11 25.0 -16.3 295 38 333.2 333.3 293.0 334.7 0.41 18 400 7590 -16.5 -34.5 20 18.0 -20.2 295 40 333.5 333.6 293.2 335.5 0.51 19 396 7665 -17.1 -34.1 21 17.0 -20.6 295 40 333.7 333.8 293.3 335.7 0.54 20 355 8479 -20.7 -49.7 6 29.0 -24.4 295 41 339.5 339.5 294.3 339.9 0.12 21 300 9700 -29.7 -59.7 4 30.0 -31.9 295 42 343.5 343.5 295.2 343.7 0.04 22 286 10038 -31.3 -59.3 5 28.0 -33.3 290 42 346.0 346.0 295.8 346.2 0.05 23 250 10970 -39.7 -59.7 10 20.0 -40.7 275 42 347.0 347.1 296.0 347.3 0.05 24 221 11803 -47.3 -63.3 14 16.0 -47.8 281 39 347.8 347.8 296.2 347.9 0.03 25 200 12460 -51.7 -70.7 9 19.0 -52.1 285 36 350.9 350.9 296.8 351.0 0.01 26 190 12790 -53.1 -75.1 5 22.0 -53.4 284 36 353.8 353.8 297.4 353.9 0.01 27 150 14260 -66.1 -79.1 15 13.0 -66.2 280 35 356.2 356.2 298.0 356.2 0.01 28 121 15528 -76.9 -82.9 38 6.0 -76.9 272 33 359.0 359.0 298.5 359.0 0.00 29 119 15624 -77.5 -83.5 37 6.0 -77.5 271 33 359.6 359.6 298.7 359.7 0.00 30 100 16620 -77.7 -87.7 18 10.0 -77.7 265 31 377.6 377.6 301.9 377.6 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5787.00 m Freezing level: 529.39 mb = 5428.68 m = 17810.41 ft Wetbulb zero: 638.89 mb = 3887.06 m = 12752.68 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 58.92 % Est. max temperature: 30.54 C = 86.96 F Sfc-Lift cond lev (LCL): 987.47 mb = 192.80 m = 632.53 ft T: 21.80 C 700-500 lapse rate: 4.57 C/km ThetaE index: 11.45 C Layer 850.0- 689.0 mb Conv cond level (CCL): 962.91 mb = 412.24 m = 1352.47 ft Mean mixing ratio: 16.03 g/kg Conv temperature: 24.55 C = 76.19 F Cap Strength: 3.94 C Lifted Index: 2.04 C Risk: None Lifted Index @300 mb: 1.92 C Lifted Index @700 mb: 0.47 C Showalter Index: 1.80 C Risk: Showers probable Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 19.50 C Cross Totals Index: 19.50 C K Index: 30.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 423.32 Risk: Severe Thunderstorms possible Energy Index: -2.51 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.48 J/kg Max Up Vert Vel: 9.00 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 3.87 C Lift Cond Lev (LCL): 953.38 mb = 498.81 m = 1636.50 ft Lev Free Conv (LFC): 948.38 mb = 544.43 m = 1786.17 ft Equ Level (EL): 938.38 mb = 636.39 m = 2087.88 ft B at Equ Level: 21.57 J/kg Max Parcel Lev (MPL): 808.38 mb = 1917.21 m = 6289.98 ft Wind level data Storm motion: 289 at 19 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 1009 6 150 3 -1.5 2.6 | 115 22 -19.7 9.0 1 1000 83 130 7 -5.4 4.5 | 115 26 -23.6 10.9 2 925 761 170 27 -4.7 26.6 | 145 40 -22.9 33.0 3 850 1489 200 21 7.2 19.7 | 157 28 -11.1 26.2 4 700 3135 270 25 25.0 -0.0 | 226 9 6.8 6.4 5 500 5870 295 35 31.7 -14.8 | 302 16 13.5 -8.3 6 400 7590 295 40 36.3 -16.9 | 300 21 18.0 -10.5 7 300 9700 295 42 38.1 -17.7 | 300 23 19.8 -11.3 8 250 10970 275 42 41.8 -3.7 | 263 24 23.6 2.8 9 200 12460 285 36 34.8 -9.3 | 280 17 16.5 -2.9 10 150 14260 280 35 34.5 -6.1 | 269 16 16.2 0.4 11 100 16620 265 31 30.9 2.7 | 234 16 12.6 9.1 Wind Parameters Mean winds (0-6000m): 259.5 at 25.8 knts Storm direction: 289.5 at 19.3 knts Shear (0-3000m) pos: 4.5 neg: 0.0 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 101.1 deg Storm rel helicity (0-3000m) pos: 335.3 neg: 0.0 tot: 335.3 m^2/s^2 ave: 111.8 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 11.5 stream: 7.6 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 0.30 Bulk Shear: 137.21 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 ------------------------------------------------------------------------------- 500 148 12 124 30| 17.0 0.0 17.0| 80.2 0.0 80.2 160.4 0.53| 18.6 9.9 1000 166 18 137 33| 11.5 0.0 11.5|198.3 0.0 198.3 198.3 0.66| 16.6 11.0 1500 175 20 143 33| 6.6 0.0 6.6|235.5 0.0 235.5 157.0 0.62| 14.2 8.8 2000 184 20 148 31| 5.5 0.0 5.5|279.1 0.0 279.1 139.5 0.65| 12.7 8.2 2500 195 21 154 30| 4.9 0.0 4.9|311.9 0.0 311.9 124.7 0.66| 11.9 7.9 3000 206 21 161 27| 4.5 0.0 4.5|335.3 0.0 335.3 111.8 0.66| 11.5 7.6 4000 227 23 176 22| 3.9 0.0 3.9|352.5 0.0 352.5 88.1 0.69| 9.6 6.6 5000 245 24 192 17| 3.5 0.0 3.5|368.5 0.0 368.5 73.7 0.71| 8.3 5.8 6000 259 26 213 13| 3.2 0.0 3.2|385.2 -0.1 385.1 64.2 0.71| 7.4 5.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20200329.00.gif