UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025061700.upa.cvt Date: 0000Z 17 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 17 JUN 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 28.2 25.0 83 3.2 25.8 135 1 300.9 304.6 298.8 360.6 20.23 1 1000 46 28.0 24.8 83 3.2 25.6 140 3 301.1 304.8 298.8 360.4 20.08 2 972 299 26.0 25.9 99 0.1 26.0 171 5 301.6 305.7 300.1 367.1 22.13 3 946 539 25.2 23.6 91 1.6 24.0 201 7 303.1 306.8 299.1 361.8 19.74 4 936 633 26.8 20.8 70 6.0 22.5 212 8 305.7 308.8 297.9 355.9 16.75 5 925 738 26.2 20.2 70 6.0 21.9 225 9 306.1 309.1 297.7 355.1 16.32 6 850 1480 20.6 18.1 86 2.5 18.8 265 21 307.7 310.6 297.7 354.7 15.56 7 822 1770 18.4 17.2 93 1.2 17.6 262 20 308.4 311.2 297.5 354.4 15.19 8 757 2474 14.6 14.6 100 0.0 14.6 253 19 311.6 314.2 297.5 354.4 13.94 9 700 3136 11.6 10.7 94 0.9 11.0 245 17 315.3 317.6 297.0 351.6 11.63 10 624 4090 6.8 5.4 91 1.4 5.9 250 15 320.4 322.1 296.5 349.3 9.06 11 602 4385 6.0 2.6 79 3.4 4.0 252 14 322.8 324.3 296.1 347.6 7.70 12 514 5660 -2.9 -2.9 100 0.0 -2.9 259 11 326.9 328.1 295.9 346.8 6.02 13 510 5722 -1.9 -3.4 89 1.5 -2.7 259 11 328.9 330.0 296.3 348.3 5.85 14 500 5880 -2.7 -4.0 91 1.3 -3.4 260 11 329.7 330.9 296.4 348.8 5.70 15 488 6073 -3.3 -5.9 82 2.6 -4.6 263 10 331.3 332.3 296.3 348.4 5.05 16 484 6139 -3.3 -6.9 76 3.6 -5.1 264 10 332.1 333.0 296.2 348.1 4.72 17 418 7290 -9.5 -13.9 70 4.4 -11.3 284 3 338.4 339.0 296.5 349.4 3.13 18 400 7630 -12.1 -15.0 79 2.9 -13.3 290 1 339.3 339.9 296.6 349.8 2.98 19 367 8281 -16.9 -19.7 79 2.8 -17.9 321 6 341.3 341.8 296.5 349.2 2.19 20 356 8508 -18.3 -26.3 49 8.0 -20.5 333 7 342.4 342.7 296.0 347.1 1.25 21 350 8634 -19.5 -20.9 89 1.4 -20.0 339 8 342.5 342.9 296.6 350.0 2.07 22 340 8848 -21.1 -28.1 53 7.0 -22.8 349 10 343.1 343.4 296.0 347.3 1.11 23 338 8892 -21.5 -24.8 75 3.3 -22.4 351 10 343.2 343.5 296.4 348.8 1.51 24 336 8936 -21.7 -29.7 48 8.0 -23.6 354 11 343.5 343.7 296.0 347.2 0.97 25 318 9338 -23.9 -33.9 39 10.0 -25.9 14 14 345.9 346.0 296.3 348.5 0.68 26 300 9760 -27.3 -37.3 38 10.0 -29.0 35 17 346.9 347.0 296.4 348.9 0.52 27 285 10129 -29.1 -36.1 51 7.0 -30.3 24 18 349.5 349.6 297.0 351.9 0.61 28 250 11050 -37.7 -40.4 76 2.7 -38.0 355 19 350.0 350.1 297.0 351.8 0.45 29 242 11274 -39.7 -41.2 86 1.5 -39.9 1 19 350.3 350.4 297.1 352.0 0.43 30 238 11388 -40.3 -47.3 47 7.0 -40.9 4 19 351.1 351.1 297.1 352.0 0.23 31 200 12550 -50.5 -55.5 55 5.0 -50.7 35 19 352.8 352.8 297.3 353.2 0.10 32 183 13121 -55.7 -59.0 66 3.3 -55.8 29 26 353.4 353.4 297.4 353.7 0.07 33 160 13963 -61.1 -70.1 29 9.0 -61.2 19 37 358.1 358.1 298.4 358.2 0.02 34 150 14360 -64.3 -71.3 38 7.0 -64.4 15 42 359.3 359.3 298.6 359.4 0.02 35 138 14867 -68.3 -73.0 51 4.7 -68.4 19 41 360.9 360.9 298.9 361.0 0.01 36 121 15647 -73.7 -79.7 39 6.0 -73.7 24 38 364.9 364.9 299.7 364.9 0.01 37 105 16469 -78.1 -85.1 31 7.0 -78.1 30 36 371.6 371.6 300.8 371.6 0.00 38 100 16750 -75.5 -85.5 19 10.0 -75.5 40 38 381.9 381.9 302.5 381.9 0.00 TRP 105 16469 -78.1 -85.1 31 7.0 -78.1 30 36 371.6 371.6 300.8 371.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5834.00 m Freezing level: 542.67 mb = 5244.69 m = 17206.79 ft Wetbulb zero: 551.04 mb = 5098.74 m = 16727.95 ft Precipitable water: 2.81 inches Sfc-500 mean rel hum: 89.76 % Est. max temperature: 34.91 C = 94.83 F Sfc-Lift cond lev (LCL): 959.95 mb = 409.19 m = 1342.46 ft T: 25.63 C 700-500 lapse rate: 5.21 C/km ThetaE index: 20.34 C Layer 946.0- 510.0 mb Conv cond level (CCL): 863.92 mb = 1337.50 m = 4388.07 ft Mean mixing ratio: 19.19 g/kg Conv temperature: 34.71 C = 94.49 F Cap Strength: 2.80 C Lifted Index: -3.25 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.35 C Lifted Index @700 mb: -1.72 C Showalter Index: -1.37 C Risk: Thunderstorms probable Total Totals Index: 44.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 20.80 C K Index: 40.50 Risk: > 80 % chance of thunderstorms Sweat Index: 270.20 Risk: None Energy Index: -1.24 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1580.44 J/kg Max Up Vert Vel: 56.22 m/s Conv Inhibition (B-): 55.28 J/kg Cap Strength: 2.80 C Lift Cond Lev (LCL): 914.49 mb = 838.30 m = 2750.30 ft Lev Free Conv (LFC): 829.49 mb = 1691.25 m = 5548.66 ft Equ Level (EL): 139.49 mb = 14801.57 m = 48560.98 ft B at Equ Level: 1576.48 J/kg Wind level data Storm motion: 282 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 1005 6 135 1 -0.7 0.7 | 104 12 -11.3 2.9 1 1000 46 140 3 -1.9 2.3 | 110 13 -12.5 4.5 2 925 738 225 9 6.4 6.4 | 154 10 -4.3 8.6 3 850 1480 265 21 20.9 1.8 | 249 11 10.3 4.0 4 700 3136 245 17 15.4 7.2 | 207 11 4.8 9.4 5 500 5880 260 11 10.8 1.9 | 183 4 0.2 4.1 6 400 7630 290 1 0.9 -0.3 | 101 10 -9.7 1.8 7 300 9760 35 17 -9.8 -13.9 | 60 24 -20.4 -11.7 8 250 11050 355 19 1.7 -18.9 | 28 19 -9.0 -16.7 9 200 12550 35 19 -10.9 -15.6 | 58 25 -21.5 -13.4 10 150 14360 15 42 -10.9 -40.6 | 29 44 -21.5 -38.4 11 105 16469 30 36 -18.0 -31.2 | 45 41 -28.6 -29.0 12 100 16750 40 38 -24.4 -29.1 | 52 44 -35.0 -26.9 Wind Parameters Mean winds (0-6000m): 251.7 at 14.5 knts Storm direction: 281.7 at 10.8 knts Shear (0-3000m) pos: 3.7 neg: 1.2 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 105.8 deg Storm rel helicity (0-3000m) pos: 74.0 neg: -19.7 tot: 54.3 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 3.3 10^-3/s Energy-Hel index: 0.73 Bulk Rich Number: 62.53 Bulk Shear: 25.28 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 ------------------------------------------------------------------------------- 500 179 5 123 13| 6.8 0.0 6.8| 25.0 0.0 25.0 50.0 0.87| 8.5 7.4 1000 219 7 142 10| 7.0 0.0 7.0| 47.6 0.0 47.6 47.6 0.89| 9.2 8.1 1500 243 11 171 7| 7.4 0.0 7.4| 74.0 0.0 74.0 49.3 0.92| 9.8 9.0 2000 251 13 194 7| 5.6 0.6 6.2| 74.0 -6.9 67.0 33.5 0.77| 8.0 6.1 2500 253 14 205 7| 4.4 1.0 5.4| 74.0 -13.5 60.5 24.2 0.64| 6.9 4.4 3000 252 15 208 8| 3.7 1.2 4.9| 74.0 -19.7 54.3 18.1 0.54| 6.1 3.3 4000 251 15 208 8| 2.6 0.9 3.5| 74.0 -21.8 52.2 13.0 0.48| 4.9 2.4 5000 251 15 207 8| 1.9 0.7 2.6| 74.0 -23.2 50.7 10.1 0.43| 4.2 1.8 6000 252 14 205 7| 1.4 0.6 2.0| 74.0 -25.6 48.4 8.1 0.36| 3.8 1.3 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250617.00.gif