UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025062700.upa.cvt Date: 0000Z 27 JUN 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 27 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 1004 6 28.4 23.5 75 4.9 24.8 140 1 301.2 304.6 297.8 355.6 18.45 1 1000 38 28.2 23.5 76 4.7 24.7 140 1 301.4 304.8 297.9 356.0 18.53 2 955 446 24.4 22.7 90 1.7 23.2 164 9 301.5 304.9 297.9 356.0 18.48 3 925 727 23.8 21.3 86 2.5 22.0 180 15 303.6 306.9 297.8 355.7 17.50 4 859 1374 20.4 19.1 92 1.3 19.5 202 13 306.6 309.7 297.9 356.0 16.42 5 850 1465 20.4 17.3 82 3.1 18.2 205 13 307.5 310.3 297.1 352.1 14.78 6 716 2929 11.0 10.4 96 0.6 10.6 218 4 312.6 314.8 296.0 347.0 11.14 7 700 3118 10.6 9.2 91 1.4 9.7 220 3 314.2 316.2 295.9 346.8 10.50 8 608 4280 4.6 1.9 83 2.7 3.1 243 2 320.2 321.6 295.1 343.4 7.24 9 594 4470 3.6 3.5 99 0.1 3.5 247 2 321.2 322.8 296.1 347.9 8.32 10 511 5678 -3.1 -6.8 76 3.7 -4.9 271 1 327.2 328.1 294.8 342.2 4.50 11 500 5850 -4.1 -5.0 93 0.9 -4.6 275 1 328.0 329.1 295.7 345.6 5.28 12 496 5914 -4.5 -4.5 100 0.0 -4.5 281 1 328.3 329.4 295.9 346.7 5.53 13 493 5962 -4.7 -4.9 98 0.2 -4.8 286 1 328.6 329.7 295.9 346.6 5.40 14 491 5994 -4.5 -11.5 58 7.0 -7.5 289 1 329.3 329.9 294.4 340.3 3.23 15 482 6140 -5.3 -11.3 63 6.0 -7.9 303 1 330.0 330.7 294.7 341.4 3.35 16 477 6222 -5.9 -6.9 93 1.0 -6.4 311 1 330.3 331.2 295.8 346.4 4.79 17 463 6456 -7.1 -7.7 95 0.6 -7.4 334 2 331.6 332.5 296.0 347.3 4.63 18 439 6871 -9.9 -12.9 79 3.0 -11.1 14 2 333.1 333.8 295.3 344.3 3.23 19 437 6906 -9.3 -10.4 92 1.1 -9.8 18 2 334.3 335.1 296.2 348.0 3.97 20 419 7232 -10.3 -10.5 98 0.2 -10.4 50 3 337.1 337.9 296.9 351.4 4.11 21 400 7590 -12.3 -13.1 94 0.8 -12.6 85 3 339.0 339.7 296.9 351.3 3.49 22 338 8857 -20.5 -21.6 91 1.1 -20.8 70 8 344.5 345.0 297.1 351.9 2.01 23 318 9306 -23.1 -32.1 44 9.0 -25.1 65 9 347.0 347.2 296.7 350.2 0.81 24 300 9730 -26.5 -28.9 80 2.4 -27.1 60 11 348.0 348.3 297.2 352.5 1.17 25 286 10074 -29.3 -30.2 92 0.9 -29.5 57 12 348.8 349.1 297.3 353.0 1.09 26 250 11020 -36.9 -40.7 68 3.8 -37.4 50 15 351.2 351.3 297.3 353.0 0.44 27 229 11619 -41.7 -51.7 33 10.0 -42.3 42 16 352.8 352.8 297.4 353.4 0.14 28 217 11981 -44.7 -49.0 62 4.3 -45.0 37 16 353.6 353.7 297.6 354.5 0.20 29 201 12487 -49.3 -52.8 67 3.5 -49.5 30 17 354.2 354.2 297.7 354.8 0.14 30 200 12520 -49.7 -53.4 65 3.7 -49.9 30 17 354.1 354.1 297.6 354.6 0.13 31 176 13341 -57.5 -64.5 41 7.0 -57.6 37 21 354.4 354.4 297.6 354.6 0.04 32 173 13449 -58.1 -70.1 20 12.0 -58.3 38 21 355.2 355.2 297.7 355.3 0.02 33 150 14330 -65.9 -70.9 50 5.0 -66.0 45 25 356.6 356.6 298.0 356.6 0.02 34 124 15458 -75.1 -78.0 64 2.9 -75.1 51 32 359.8 359.8 298.7 359.8 0.01 35 123 15505 -75.5 -78.9 59 3.4 -75.5 51 32 359.9 359.9 298.7 359.9 0.01 36 109 16197 -79.1 -83.1 52 4.0 -79.1 55 36 365.8 365.8 299.8 365.8 0.00 37 100 16690 -75.9 -83.9 27 8.0 -75.9 60 48 381.1 381.1 302.4 381.1 0.00 TRP 109 16197 -79.1 -83.1 52 4.0 -79.1 55 36 365.8 365.8 299.8 365.8 0.00 WND Sounding variables and indices 1000-500 mb thick: 5812.00 m Freezing level: 549.40 mb = 5118.79 m = 16793.71 ft Wetbulb zero: 559.22 mb = 4953.92 m = 16252.81 ft Precipitable water: 2.68 inches Sfc-500 mean rel hum: 87.82 % Est. max temperature: 34.30 C = 93.75 F Sfc-Lift cond lev (LCL): 935.45 mb = 628.22 m = 2061.05 ft T: 24.01 C 700-500 lapse rate: 5.38 C/km ThetaE index: 12.55 C Layer 850.0- 594.0 mb Conv cond level (CCL): 866.22 mb = 1300.47 m = 4266.59 ft Mean mixing ratio: 18.09 g/kg Conv temperature: 33.46 C = 92.23 F Cap Strength: 1.63 C Lifted Index: -3.18 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -1.27 C Lifted Index @700 mb: -1.55 C Showalter Index: -1.89 C Risk: Thunderstorms probable Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.50 C Cross Totals Index: 21.40 C K Index: 40.40 Risk: > 80 % chance of thunderstorms Sweat Index: 234.60 Risk: None Energy Index: -1.34 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 727.70 J/kg Max Up Vert Vel: 38.15 m/s Conv Inhibition (B-): 44.99 J/kg Cap Strength: 1.63 C Lift Cond Lev (LCL): 916.27 mb = 809.81 m = 2656.83 ft Lev Free Conv (LFC): 791.27 mb = 2075.79 m = 6810.26 ft Equ Level (EL): 161.27 mb = 13882.53 m = 45545.82 ft B at Equ Level: 725.99 J/kg Wind level data Storm motion: 232 at 4 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 1004 6 140 1 -0.6 0.8 | 65 4 -4.0 -1.8 1 1000 38 140 1 -0.6 0.8 | 65 4 -4.0 -1.8 2 925 727 180 15 0.0 15.0 | 165 13 -3.4 12.4 3 850 1465 205 13 5.5 11.8 | 193 9 2.1 9.2 4 700 3118 220 3 1.9 2.3 | 78 1 -1.4 -0.3 5 500 5850 275 1 1.0 -0.1 | 42 4 -2.4 -2.7 6 400 7590 85 3 -3.0 -0.3 | 66 7 -6.4 -2.9 7 300 9730 60 11 -9.5 -5.5 | 58 15 -12.9 -8.1 8 250 11020 50 15 -11.5 -9.6 | 51 19 -14.9 -12.2 9 200 12520 30 17 -8.5 -14.7 | 34 21 -11.9 -17.3 10 150 14330 45 25 -17.7 -17.7 | 46 29 -21.0 -20.3 11 109 16197 55 36 -29.5 -20.6 | 55 40 -32.9 -23.2 12 100 16690 60 48 -41.6 -24.0 | 59 52 -44.9 -26.6 Wind Parameters Mean winds (0-6000m): 202.4 at 5.7 knts Storm direction: 232.4 at 4.3 knts Shear (0-3000m) pos: 0.6 neg: 0.0 tot: 0.6 10-3/s Storm rel Dir Shear (0-3000m): 38.5 deg Storm rel helicity (0-3000m) pos: 43.1 neg: -1.2 tot: 41.9 m^2/s^2 ave: 14.0 10^-3 m/s^2 rel: 0.51 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 2.7 10^-3/s Energy-Hel index: 0.20 Bulk Rich Number: 423.33 Bulk Shear: 1.72 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 ------------------------------------------------------------------------------- 500 165 5 119 5| 9.9 0.0 9.9| 14.6 0.0 14.6 29.1 0.85| 10.3 8.7 1000 180 10 155 8| 7.0 0.0 7.0| 33.6 0.0 33.6 33.6 0.84| 9.1 7.6 1500 187 11 166 8| 4.2 0.0 4.2| 42.8 0.0 42.8 28.5 0.83| 7.4 6.2 2000 192 11 173 8| 2.4 0.0 2.4| 43.1 -0.0 43.1 21.6 0.73| 6.4 4.7 2500 195 10 175 8| 1.3 0.0 1.3| 43.1 -0.4 42.7 17.1 0.64| 5.8 3.7 3000 196 10 174 7| 0.6 0.0 0.6| 43.1 -1.2 41.9 14.0 0.51| 5.3 2.7 4000 199 8 170 5| 0.3 0.0 0.3| 43.1 -1.8 41.3 10.3 0.44| 4.2 1.8 5000 201 7 165 4| 0.2 0.0 0.2| 43.1 -2.0 41.2 8.2 0.42| 3.5 1.4 6000 202 6 155 3| 0.2 0.0 0.2| 43.3 -2.2 41.1 6.8 0.40| 3.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20250627.00.gif