UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053012.upa.cvt Date: 1200Z 30 MAY 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:1200Z 30 MAY 25 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 1005 6 27.6 24.5 83 3.1 25.3 145 7 300.3 303.9 298.3 358.0 19.61 1 1000 50 27.4 24.4 84 3.0 25.2 145 7 300.5 304.1 298.4 358.2 19.59 2 943 568 23.0 23.0 100 0.0 23.0 168 12 301.2 304.7 298.2 357.4 19.08 3 925 737 22.8 22.0 95 0.8 22.2 175 13 302.6 306.0 298.1 356.8 18.28 4 867 1302 20.8 20.3 97 0.5 20.5 236 11 306.2 309.5 298.5 358.9 17.55 5 854 1434 21.6 18.5 83 3.1 19.4 251 11 308.4 311.3 298.0 356.5 15.89 6 850 1475 21.4 18.4 83 3.0 19.2 255 11 308.6 311.5 298.0 356.6 15.86 7 744 2622 15.8 8.8 63 7.0 11.3 238 11 314.5 316.3 295.4 344.3 9.60 8 700 3138 12.0 8.1 77 3.9 9.5 230 11 315.8 317.6 295.8 346.2 9.74 9 690 3259 11.4 7.5 77 3.9 8.9 230 11 316.4 318.2 295.8 346.1 9.48 10 596 4476 7.0 2.0 70 5.0 4.1 232 11 324.8 326.3 296.4 349.1 7.45 11 556 5044 2.6 0.1 84 2.5 1.2 233 11 326.2 327.5 296.4 349.0 6.95 12 521 5569 0.6 -3.3 75 3.9 -1.5 234 11 329.9 331.0 296.4 349.1 5.77 13 514 5678 0.4 -8.6 51 9.0 -3.9 235 11 330.9 331.7 295.3 344.1 3.89 14 508 5773 0.0 -3.8 76 3.8 -2.0 235 11 331.5 332.7 296.8 350.7 5.70 15 500 5900 -0.7 -4.6 75 3.9 -2.7 235 11 332.2 333.3 296.8 350.6 5.45 16 494 5996 -1.1 -4.7 76 3.6 -3.0 239 11 332.8 334.0 296.9 351.4 5.47 17 481 6209 -1.9 -7.9 63 6.0 -4.8 247 11 334.4 335.3 296.5 349.5 4.39 18 431 7072 -8.5 -10.0 89 1.5 -9.2 282 11 336.7 337.5 296.8 351.1 4.16 19 407 7516 -9.9 -13.7 74 3.8 -11.5 300 11 340.4 341.1 297.1 352.0 3.26 20 400 7650 -10.5 -15.5 67 5.0 -12.5 305 11 341.3 341.9 297.0 351.6 2.86 21 388 7884 -12.1 -19.1 56 7.0 -14.6 318 11 342.2 342.7 296.7 350.1 2.18 22 348 8706 -18.3 -20.7 81 2.4 -19.1 3 9 344.7 345.1 297.1 352.4 2.11 23 325 9214 -20.9 -27.9 53 7.0 -22.7 32 8 347.9 348.1 297.1 352.4 1.19 24 300 9800 -25.3 -35.3 39 10.0 -27.2 65 7 349.7 349.9 297.1 352.2 0.63 25 296 9898 -25.9 -36.9 35 11.0 -27.9 64 8 350.2 350.3 297.1 352.4 0.55 26 251 11072 -35.5 -52.5 16 17.0 -36.9 55 23 352.9 352.9 297.4 353.4 0.12 27 250 11100 -35.7 -52.7 16 17.0 -37.1 55 23 353.0 353.0 297.4 353.5 0.12 28 230 11671 -40.7 -49.7 37 9.0 -41.4 44 24 353.9 353.9 297.6 354.6 0.18 29 221 11940 -43.3 -56.3 23 13.0 -44.0 38 25 354.0 354.0 297.5 354.3 0.08 30 206 12406 -47.7 -52.4 58 4.7 -48.0 29 26 354.2 354.3 297.7 354.8 0.15 31 204 12470 -47.9 -58.9 27 11.0 -48.3 28 27 354.9 354.9 297.7 355.2 0.07 32 201 12567 -48.7 -61.7 21 13.0 -49.1 26 27 355.1 355.2 297.8 355.4 0.05 33 200 12600 -49.1 -61.1 23 12.0 -49.5 25 27 355.0 355.0 297.7 355.2 0.05 34 175 13463 -56.7 -63.7 41 7.0 -56.9 37 31 356.3 356.3 298.0 356.5 0.04 35 170 13647 -57.5 -71.5 15 14.0 -57.7 39 32 358.0 358.0 298.3 358.0 0.01 36 155 14227 -61.1 -79.1 8 18.0 -61.3 47 35 361.4 361.4 299.0 361.4 0.00 37 150 14430 -62.9 -78.9 10 16.0 -63.0 50 36 361.7 361.7 299.0 361.7 0.01 38 134 15113 -69.1 -80.1 19 11.0 -69.2 51 37 362.6 362.6 299.2 362.6 0.00 39 127 15431 -71.7 -75.9 53 4.2 -71.7 52 37 363.5 363.5 299.4 363.5 0.01 40 120 15764 -73.9 -80.9 33 7.0 -73.9 53 37 365.4 365.4 299.7 365.4 0.00 41 111 16215 -76.5 -83.5 32 7.0 -76.5 54 37 368.7 368.8 300.4 368.8 0.00 42 100 16810 -79.9 -84.9 43 5.0 -79.9 55 38 373.4 373.4 301.1 373.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5850.00 m Freezing level: 508.00 mb = 5772.66 m = 18938.93 ft Wetbulb zero: 540.53 mb = 5272.06 m = 17296.56 ft Precipitable water: 2.66 inches Sfc-500 mean rel hum: 78.57 % Est. max temperature: 35.48 C = 95.87 F Sfc-Lift cond lev (LCL): 961.28 mb = 398.72 m = 1308.11 ft T: 24.44 C 700-500 lapse rate: 4.60 C/km ThetaE index: 12.30 C Layer 744.0- 700.0 mb Conv cond level (CCL): 914.12 mb = 840.27 m = 2756.77 ft Mean mixing ratio: 18.98 g/kg Conv temperature: 30.56 C = 87.00 F Cap Strength: 1.95 C Lifted Index: -0.31 C Risk: Thunderstorms probable Lifted Index @300 mb: -0.89 C Lifted Index @700 mb: -0.56 C Showalter Index: -0.02 C Risk: Thunderstorms probable Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 19.10 C K Index: 36.60 Risk: > 80 % chance of thunderstorms Sweat Index: 253.80 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 344.19 J/kg Max Up Vert Vel: 26.24 m/s Conv Inhibition (B-): 79.70 J/kg Cap Strength: 1.88 C Lift Cond Lev (LCL): 937.87 mb = 615.99 m = 2020.94 ft Lev Free Conv (LFC): 712.87 mb = 2983.76 m = 9789.12 ft Equ Level (EL): 622.87 mb = 4109.35 m = 13481.95 ft B at Equ Level: 25.64 J/kg Max Parcel Lev (MPL): 112.87 mb = 16118.23 m = 52880.69 ft Wind level data Storm motion: 257 at 8 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 1005 6 145 7 -4.0 5.7 | 108 13 -12.0 3.9 1 1000 50 145 7 -4.0 5.7 | 108 13 -12.0 3.9 2 925 737 175 13 -1.1 13.0 | 141 14 -9.2 11.1 3 850 1475 255 11 10.6 2.8 | 249 3 2.6 1.0 4 700 3138 230 11 8.4 7.1 | 184 5 0.4 5.2 5 500 5900 235 11 9.0 6.3 | 192 5 1.0 4.5 6 400 7650 305 11 9.0 -6.3 | 353 8 1.0 -8.1 7 300 9800 65 7 -6.3 -3.0 | 72 15 -14.4 -4.8 8 250 11100 55 23 -18.8 -13.2 | 61 31 -26.9 -15.0 9 200 12600 25 27 -11.4 -24.5 | 36 33 -19.4 -26.3 10 150 14430 50 36 -27.6 -23.1 | 55 43 -35.6 -25.0 11 100 16810 55 38 -31.1 -21.8 | 59 46 -39.2 -23.6 Wind Parameters Mean winds (0-6000m): 227.1 at 11.0 knts Storm direction: 257.1 at 8.2 knts Shear (0-3000m) pos: 2.6 neg: 0.7 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 79.4 deg Storm rel helicity (0-3000m) pos: 53.8 neg: -3.5 tot: 50.3 m^2/s^2 ave: 16.8 10^-3 m/s^2 rel: 0.56 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 2.8 10^-3/s Energy-Hel index: 0.12 Bulk Rich Number: 19.32 Bulk Shear: 17.82 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 ------------------------------------------------------------------------------- 500 156 9 118 13| 5.1 0.0 5.1| 17.3 0.0 17.3 34.6 0.96| 5.2 5.0 1000 172 11 132 13| 5.4 0.0 5.4| 42.7 0.0 42.7 42.7 0.86| 7.4 6.3 1500 189 11 144 11| 5.1 0.0 5.1| 53.8 0.0 53.8 35.9 0.80| 8.5 6.8 2000 206 11 158 9| 3.8 0.4 4.2| 53.8 -1.1 52.7 26.4 0.70| 6.7 4.7 2500 215 11 166 7| 3.1 0.6 3.7| 53.8 -2.2 51.6 20.6 0.62| 5.7 3.5 3000 220 11 171 7| 2.6 0.7 3.3| 53.8 -3.5 50.3 16.8 0.56| 5.0 2.8 4000 223 11 175 6| 1.9 0.6 2.5| 54.1 -3.8 50.2 12.6 0.54| 3.8 2.1 5000 225 11 178 6| 1.6 0.5 2.0| 54.4 -3.8 50.6 10.1 0.54| 3.1 1.7 6000 227 11 180 6| 1.4 0.4 1.8| 55.4 -3.8 51.5 8.6 0.55| 2.7 1.5 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250530.12.gif