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 VV811... Searching the city database file for: VV811 ... Date:0000Z 27 APR 25 Station: VV811 WMO ident: 48811 Latitude: 21.40 Longitude: 103.02 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 98 SFC 958 473 22.2 22.1 99 0.1 22.2 0 0 299.0 302.2 296.8 350.8 17.75 2 933 704 21.2 21.2 100 0.0 21.2 266 1 300.2 303.4 296.8 350.8 17.23 3 925 779 21.8 20.9 95 0.9 21.2 235 1 301.6 304.7 297.0 351.9 17.06 4 890 1117 24.0 19.0 74 5.0 20.4 226 6 307.2 310.2 297.6 354.6 15.73 5 850 1520 20.8 18.3 86 2.5 19.0 215 13 307.9 310.9 297.8 355.6 15.76 6 772 2347 15.4 14.8 96 0.6 15.0 245 16 310.7 313.3 297.3 353.0 13.85 7 735 2763 13.4 10.6 83 2.8 11.6 260 17 312.9 315.0 296.0 346.9 10.99 8 700 3173 9.8 7.9 88 1.9 8.6 275 19 313.3 315.2 295.1 343.1 9.60 9 639 3923 3.6 0.3 79 3.3 1.8 279 18 314.6 315.7 292.7 333.9 6.13 10 599 4445 0.6 -0.1 95 0.7 0.2 282 17 317.0 318.2 293.6 337.2 6.36 11 584 4649 0.0 -4.0 74 4.0 -2.0 283 17 318.6 319.5 292.9 334.3 4.87 12 577 4746 1.8 -22.2 15 24.0 -6.2 284 17 321.8 322.0 290.5 325.7 1.12 13 532 5398 -1.1 -31.1 8 30.0 -9.2 287 16 325.9 326.0 291.1 327.8 0.54 14 500 5890 -5.1 -31.1 11 26.0 -11.8 290 15 326.8 326.9 291.4 328.9 0.57 15 455 6622 -11.3 -26.3 28 15.0 -15.3 273 14 328.0 328.2 292.1 331.5 0.98 16 437 6930 -12.9 -25.9 33 13.0 -16.4 266 14 329.8 330.0 292.7 333.6 1.06 17 403 7544 -16.3 -52.3 3 36.0 -20.9 251 13 333.1 333.1 292.6 333.4 0.08 18 400 7600 -16.5 -43.5 8 27.0 -20.8 250 13 333.5 333.6 292.9 334.3 0.20 19 373 8120 -19.9 -47.9 6 28.0 -23.6 256 16 335.8 335.8 293.4 336.3 0.13 20 372 8140 -19.9 -35.9 23 16.0 -22.9 256 17 336.0 336.1 293.8 337.9 0.48 21 368 8220 -20.3 -26.3 59 6.0 -21.8 257 17 336.5 336.8 294.6 341.0 1.21 22 367 8240 -20.1 -35.1 25 15.0 -23.0 257 17 337.1 337.2 294.1 339.1 0.53 23 363 8321 -20.3 -40.3 15 20.0 -23.6 258 18 337.9 337.9 294.1 339.1 0.31 24 351 8568 -22.3 -31.3 44 9.0 -24.2 261 19 338.4 338.6 294.7 341.4 0.80 25 347 8652 -22.9 -38.9 22 16.0 -25.5 262 20 338.7 338.8 294.4 340.2 0.38 26 333 8952 -25.1 -28.9 71 3.8 -25.9 266 22 339.7 339.9 295.2 343.6 1.05 27 326 9105 -25.7 -31.7 57 6.0 -26.9 268 23 341.0 341.1 295.3 344.1 0.83 28 300 9700 -30.7 -42.7 30 12.0 -32.1 275 27 342.1 342.2 295.1 343.3 0.30 29 296 9795 -31.1 -65.1 2 34.0 -33.1 275 27 342.9 342.9 295.0 342.9 0.02 30 283 10112 -33.7 -48.7 21 15.0 -35.1 275 27 343.6 343.6 295.3 344.2 0.16 31 261 10675 -37.9 -62.9 6 25.0 -39.1 275 27 345.4 345.4 295.6 345.6 0.03 32 250 10970 -40.5 -62.5 8 22.0 -41.5 275 27 345.9 345.9 295.7 346.0 0.03 33 221 11797 -47.5 -58.5 27 11.0 -47.9 272 29 347.5 347.5 296.1 347.8 0.06 34 220 11827 -47.7 -69.7 6 22.0 -48.3 272 29 347.6 347.6 296.1 347.7 0.01 35 210 12132 -49.7 -58.7 34 9.0 -50.0 271 30 349.2 349.2 296.5 349.4 0.07 36 206 12258 -50.5 -71.5 7 21.0 -50.9 271 30 349.8 349.8 296.6 349.9 0.01 37 200 12450 -51.9 -70.9 8 19.0 -52.2 270 31 350.6 350.6 296.8 350.6 0.01 38 150 14250 -66.9 -74.9 31 8.0 -67.0 280 33 354.8 354.8 297.7 354.9 0.01 39 138 14750 -70.3 -77.3 35 7.0 -70.4 276 30 357.4 357.4 298.2 357.4 0.01 40 102 16507 -79.5 -86.5 30 7.0 -79.5 260 17 372.0 372.0 300.9 372.0 0.00 41 100 16620 -78.3 -87.3 22 9.0 -78.3 270 21 376.4 376.4 301.6 376.5 0.00 TRP 102 16507 -79.5 -86.5 30 7.0 -79.5 260 17 372.0 372.0 300.9 372.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5792.00 m Freezing level: 549.07 mb = 5150.76 m = 16898.62 ft Wetbulb zero: 597.65 mb = 4463.42 m = 14643.58 ft Precipitable water: 1.88 inches Sfc-500 mean rel hum: 69.45 % Est. max temperature: 32.49 C = 90.47 F Sfc-Lift cond lev (LCL): 957.05 mb = 481.87 m = 1580.91 ft T: 22.16 C 700-500 lapse rate: 5.48 C/km ThetaE index: 21.71 C Layer 772.0- 599.0 mb Conv cond level (CCL): 813.29 mb = 1899.37 m = 6231.45 ft Mean mixing ratio: 16.50 g/kg Conv temperature: 32.30 C = 90.14 F Cap Strength: 3.33 C Lifted Index: -3.24 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.00 C Lifted Index @700 mb: -1.65 C Showalter Index: -4.07 C Risk: Severe thunderstorms possible Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.90 C Cross Totals Index: 23.40 C K Index: 42.30 Risk: > 80 % chance of thunderstorms Sweat Index: 266.60 Risk: None Energy Index: -5.13 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1370.55 J/kg Max Up Vert Vel: 52.36 m/s Conv Inhibition (B-): 84.55 J/kg Cap Strength: 3.33 C Lift Cond Lev (LCL): 875.62 mb = 1259.99 m = 4133.78 ft Lev Free Conv (LFC): 730.62 mb = 2813.57 m = 9230.76 ft Equ Level (EL): 170.62 mb = 13443.97 m = 44106.99 ft B at Equ Level: 1368.42 J/kg Wind level data Storm motion: 300 at 11 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 ---------------------------------------------------------- 0 958 473 0 0 -0.0 -0.0 | 120 11 -9.4 5.5 1 925 779 235 1 0.8 0.6 | 125 11 -8.6 6.0 2 850 1520 215 13 7.5 10.6 | 173 16 -2.0 16.1 3 700 3173 275 19 18.9 -1.7 | 248 10 9.5 3.8 4 500 5890 290 15 14.1 -5.1 | 266 5 4.7 0.3 5 400 7600 250 13 12.2 4.4 | 196 10 2.8 9.9 6 300 9700 275 27 26.9 -2.4 | 260 18 17.5 3.1 7 250 10970 275 27 26.9 -2.4 | 260 18 17.5 3.1 8 200 12450 270 31 31.0 -0.0 | 256 22 21.6 5.5 9 150 14250 280 33 32.5 -5.7 | 271 23 23.1 -0.3 10 102 16507 260 17 16.7 3.0 | 221 11 7.3 8.4 11 100 16620 270 21 21.0 -0.0 | 245 13 11.6 5.5 Wind Parameters Mean winds (0-6000m): 270.1 at 14.5 knts Storm direction: 300.1 at 10.9 knts Shear (0-3000m) pos: 2.8 neg: 2.1 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 129.7 deg Storm rel helicity (0-3000m) pos: 90.2 neg: -0.3 tot: 89.9 m^2/s^2 ave: 30.0 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 4.7 10^-3/s Energy-Hel index: 0.56 Bulk Rich Number: 56.51 Bulk Shear: 24.25 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 ------------------------------------------------------------------------------- 500 232 1 127 10| 0.0 4.3 4.3| 11.2 -0.3 10.9 21.8 0.87| 4.7 4.1 1000 218 5 145 11| 0.0 6.3 6.3| 30.6 -0.3 30.3 30.3 0.78| 6.7 5.2 1500 221 8 158 12| 1.5 4.2 5.7| 48.3 -0.3 48.0 32.0 0.81| 6.1 5.0 2000 229 10 170 12| 2.4 3.1 5.5| 65.9 -0.3 65.6 32.8 0.84| 5.9 5.0 2500 240 11 182 11| 2.9 2.5 5.5| 82.8 -0.3 82.5 33.0 0.86| 5.9 5.1 3000 250 12 193 10| 2.8 2.1 4.9| 90.2 -0.3 89.9 30.0 0.86| 5.5 4.7 4000 260 14 208 9| 2.1 1.6 3.7| 92.2 -0.3 91.9 23.0 0.83| 4.4 3.6 5000 266 14 218 8| 1.7 1.3 3.0| 93.5 -0.3 93.2 18.6 0.80| 3.7 3.0 6000 270 15 223 7| 1.4 1.3 2.6| 93.9 -4.8 89.1 14.8 0.64| 3.5 2.2 Wrote GIF file: /home/apache/climate/data/raob//VV811/skewt/VV811.skewt.20250427.00.gif