UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120200.upa.cvt Date: 0000Z 2 DEC 25 Searching for VVNB... Searching the city database file for: VVNB ... Date:0000Z 2 DEC 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 1014 6 22.0 20.3 90 1.7 20.8 0 0 294.0 296.7 293.5 336.6 14.95 1 1000 123 20.8 19.8 94 1.0 20.1 185 3 294.0 296.6 293.3 335.9 14.69 2 982 280 19.4 19.4 100 0.0 19.4 183 5 294.1 296.7 293.2 335.7 14.59 3 925 794 16.6 16.2 97 0.4 16.4 175 11 296.3 298.6 292.4 332.7 12.62 4 873 1285 13.0 12.9 99 0.1 13.0 213 12 297.5 299.4 291.3 328.8 10.77 5 863 1383 15.4 5.4 51 10.0 9.7 220 13 301.0 302.2 288.9 320.4 6.52 6 850 1512 16.0 6.0 51 10.0 10.2 230 13 302.9 304.2 289.9 323.6 6.91 7 843 1582 16.2 4.2 45 12.0 9.5 233 13 303.8 305.0 289.5 322.4 6.14 8 839 1622 15.8 2.8 42 13.0 8.6 234 14 303.8 304.9 289.0 320.7 5.58 9 807 1951 13.6 -7.4 23 21.0 4.1 246 16 304.9 305.4 286.5 313.4 2.71 10 784 2193 11.8 -4.2 32 16.0 4.1 255 17 305.5 306.2 287.6 316.6 3.57 11 763 2421 14.6 -20.4 7 35.0 2.0 263 19 310.9 311.1 286.8 314.2 0.99 12 762 2432 14.6 -20.4 7 35.0 1.9 264 19 311.0 311.2 286.9 314.3 0.99 13 727 2828 13.6 -22.4 7 36.0 1.0 278 21 314.1 314.3 287.8 317.1 0.87 14 700 3145 11.6 -22.4 7 34.0 -0.2 290 23 315.3 315.5 288.2 318.4 0.90 15 686 3313 10.8 -25.2 6 36.0 -1.0 290 23 316.3 316.4 288.3 318.8 0.72 16 671 3496 11.2 -35.8 2 47.0 -1.7 290 23 318.7 318.8 288.6 319.7 0.27 17 549 5134 0.8 -35.2 5 36.0 -8.2 290 23 325.2 325.3 290.7 326.5 0.35 18 539 5281 1.6 -46.4 1 48.0 -8.3 290 23 327.9 327.9 291.2 328.3 0.11 19 500 5880 -2.7 -47.7 2 45.0 -11.2 290 23 329.7 329.8 291.7 330.2 0.10 20 400 7610 -14.7 -41.7 8 27.0 -19.4 255 17 335.9 335.9 293.5 336.8 0.25 21 398 7648 -15.1 -42.1 8 27.0 -19.8 255 17 335.8 335.9 293.5 336.8 0.24 22 388 7841 -15.3 -45.3 6 30.0 -20.1 255 18 338.0 338.1 294.0 338.7 0.17 23 300 9730 -30.7 -51.7 11 21.0 -32.6 255 27 342.1 342.1 294.9 342.6 0.11 24 250 10990 -42.3 -55.3 23 13.0 -43.0 265 25 343.2 343.2 295.1 343.5 0.08 25 248 11044 -42.7 -56.7 20 14.0 -43.4 264 25 343.4 343.4 295.2 343.7 0.07 26 223 11757 -46.9 -67.9 7 21.0 -47.5 252 28 347.5 347.5 296.1 347.6 0.02 27 200 12470 -53.3 -66.3 19 13.0 -53.6 240 31 348.4 348.4 296.3 348.5 0.03 28 173 13387 -61.1 -70.1 29 9.0 -61.2 248 28 350.2 350.2 296.7 350.3 0.02 29 172 13423 -61.3 -70.3 29 9.0 -61.4 248 28 350.5 350.5 296.7 350.6 0.02 30 150 14260 -67.1 -78.1 20 11.0 -67.2 255 25 354.5 354.5 297.6 354.5 0.01 31 141 14630 -69.9 -81.9 16 12.0 -69.9 257 25 355.9 355.9 297.9 355.9 0.00 32 116 15763 -78.9 -83.9 44 5.0 -78.9 261 26 359.7 359.7 298.7 359.7 0.00 33 115 15812 -79.3 -84.3 43 5.0 -79.3 262 26 359.8 359.8 298.7 359.8 0.00 34 101 16544 -81.1 -91.1 17 10.0 -81.1 265 27 370.0 370.0 300.5 370.0 0.00 35 100 16600 -80.9 -90.9 17 10.0 -80.9 265 27 371.4 371.4 300.8 371.4 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5757.00 m Freezing level: 524.49 mb = 5504.11 m = 18057.89 ft Wetbulb zero: 704.94 mb = 3086.03 m = 10124.66 ft Precipitable water: 0.99 inches Sfc-500 mean rel hum: 29.93 % Est. max temperature: 28.67 C = 83.60 F Sfc-Lift cond lev (LCL): 989.38 mb = 215.46 m = 706.88 ft T: 19.98 C 700-500 lapse rate: 5.23 C/km ThetaE index: 16.23 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 955.73 mb = 513.23 m = 1683.81 ft Mean mixing ratio: 13.81 g/kg Conv temperature: 23.10 C = 73.58 F Cap Strength: 7.15 C Lifted Index: 6.42 C Risk: None Lifted Index @300 mb: 6.72 C Lifted Index @700 mb: 5.66 C Showalter Index: 11.75 C Risk: None Total Totals Index: 27.40 C Risk: None Vertical Totals Index: 18.70 C Cross Totals Index: 8.70 C K Index: -9.30 Risk: None Sweat Index: 121.00 Risk: None Energy Index: 1.62 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.99 J/kg Max Up Vert Vel: 7.74 m/s Conv Inhibition (B-): 0.01 J/kg Cap Strength: 7.13 C Lift Cond Lev (LCL): 957.76 mb = 494.97 m = 1623.90 ft Lev Free Conv (LFC): 942.76 mb = 630.60 m = 2068.86 ft Equ Level (EL): 862.76 mb = 1385.14 m = 4544.38 ft B at Equ Level: 27.58 J/kg Max Parcel Lev (MPL): 822.76 mb = 1787.41 m = 5864.15 ft Wind level data Storm motion: 307 at 14 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 1014 6 0 0 -0.0 -0.0 | 127 14 -10.9 8.2 1 1000 123 185 3 0.3 3.0 | 136 15 -10.7 11.2 2 925 794 175 11 -1.0 11.0 | 148 23 -11.9 19.2 3 850 1512 230 13 10.0 8.4 | 177 17 -1.0 16.6 4 700 3145 290 23 21.6 -7.9 | 268 11 10.7 0.3 5 500 5880 290 23 21.6 -7.9 | 268 11 10.7 0.3 6 400 7610 255 17 16.4 4.4 | 204 14 5.5 12.6 7 300 9730 255 27 26.1 7.0 | 225 21 15.1 15.2 8 250 10990 265 25 24.9 2.2 | 233 17 14.0 10.4 9 200 12470 240 31 26.8 15.5 | 214 29 15.9 23.7 10 150 14260 255 25 24.1 6.5 | 222 20 13.2 14.7 11 100 16600 265 27 26.9 2.4 | 237 19 16.0 10.6 Wind Parameters Mean winds (0-6000m): 276.9 at 18.2 knts Storm direction: 306.9 at 13.7 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 129.7 deg Storm rel helicity (0-3000m) pos: 142.8 neg: 0.0 tot: 142.8 m^2/s^2 ave: 47.6 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 5.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.62 Bulk Shear: 48.51 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 ------------------------------------------------------------------------------- 500 181 4 139 17| 7.8 0.0 7.8| 19.8 0.0 19.8 39.5 0.59| 8.5 5.0 1000 179 7 144 19| 6.0 0.0 6.0| 43.6 0.0 43.6 43.6 0.61| 7.6 4.6 1500 194 9 153 19| 4.5 0.0 4.5| 78.3 0.0 78.3 52.2 0.68| 7.9 5.4 2000 210 10 161 18| 4.1 0.0 4.1|100.1 0.0 100.1 50.0 0.73| 7.4 5.4 2500 226 12 171 17| 3.9 0.0 3.9|121.4 0.0 121.4 48.6 0.77| 7.2 5.6 3000 243 13 183 14| 3.8 0.0 3.8|142.8 0.0 142.8 47.6 0.80| 7.3 5.9 4000 263 16 204 11| 3.0 0.0 3.0|149.0 0.0 149.0 37.2 0.81| 5.7 4.7 5000 272 17 219 10| 2.4 0.0 2.4|149.0 0.0 149.0 29.8 0.81| 4.6 3.7 6000 277 18 230 9| 2.0 0.1 2.1|149.0 -3.1 145.9 24.3 0.77| 3.9 3.0 Wrote GIF file: /home/apache/climate/data/raob//VVNB/skewt/VVNB.skewt.20251202.00.gif