UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122112.upa.cvt Date: 1200Z 21 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 21 DEC 25 Station: VVDN WMO ident: 48855 Latitude: 16.03 Longitude: 108.18 Elevation: 7.00 ------------------------------------------------------------------------------- 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 7 24.8 21.6 82 3.2 22.5 45 5 296.8 299.7 295.2 343.6 16.22 1 1000 128 24.2 21.2 83 3.0 22.1 55 15 297.4 300.3 295.3 343.8 16.05 2 937 695 19.4 19.4 100 0.0 19.4 59 20 298.0 300.8 294.9 342.5 15.31 3 925 806 18.8 18.8 100 0.0 18.8 60 21 298.5 301.2 294.8 341.9 14.93 4 850 1530 14.6 14.5 99 0.1 14.6 60 21 301.4 303.7 293.7 337.7 12.31 5 783 2223 11.2 11.2 100 0.0 11.2 85 14 305.0 306.9 293.6 337.1 10.74 6 744 2649 8.6 8.6 100 0.0 8.6 101 10 306.6 308.4 293.1 335.2 9.47 7 741 2683 9.4 8.6 95 0.8 8.9 102 10 307.8 309.6 293.5 336.7 9.51 8 700 3155 7.6 6.4 92 1.2 6.9 120 5 310.9 312.5 293.7 337.5 8.65 9 649 3776 4.0 4.0 100 0.0 4.0 150 5 313.6 315.1 293.9 338.2 7.88 10 618 4173 2.4 -2.2 72 4.6 0.0 170 4 316.2 317.2 292.5 333.0 5.27 11 612 4252 3.6 -23.4 12 27.0 -5.1 174 4 318.5 318.7 289.3 321.8 0.95 12 606 4333 4.0 -37.0 3 41.0 -6.0 178 4 319.8 319.9 289.0 320.8 0.26 13 500 5870 -6.1 -36.1 7 30.0 -12.8 255 3 325.6 325.7 290.8 326.9 0.35 14 466 6416 -10.1 -44.1 4 34.0 -15.9 276 16 327.3 327.3 291.1 327.9 0.16 15 400 7580 -15.7 -57.7 1 42.0 -20.5 320 44 334.6 334.6 293.0 334.7 0.04 16 367 8221 -20.3 -59.3 2 39.0 -24.1 307 45 336.8 336.8 293.6 336.9 0.04 17 363 8302 -19.7 -59.7 2 40.0 -23.7 305 45 338.7 338.7 294.0 338.8 0.03 18 334 8915 -22.3 -62.3 1 40.0 -25.9 292 45 343.3 343.3 295.1 343.4 0.03 19 304 9596 -28.7 -63.7 2 35.0 -31.1 277 46 343.6 343.6 295.2 343.7 0.02 20 300 9690 -29.3 -64.3 2 35.0 -31.6 275 46 344.1 344.1 295.3 344.2 0.02 21 257 10780 -37.3 -67.3 3 30.0 -38.7 258 46 347.9 347.9 296.2 347.9 0.02 22 250 10970 -39.1 -68.1 3 29.0 -40.3 255 46 347.9 347.9 296.2 348.0 0.02 23 200 12450 -52.7 -64.7 22 12.0 -53.0 245 52 349.3 349.3 296.5 349.5 0.03 24 196 12580 -54.1 -65.1 25 11.0 -54.4 246 52 349.1 349.1 296.5 349.2 0.03 25 162 13773 -63.5 -73.5 24 10.0 -63.6 256 48 352.8 352.8 297.3 352.9 0.01 26 152 14160 -67.1 -73.1 42 6.0 -67.1 259 46 353.2 353.2 297.3 353.2 0.01 27 150 14240 -67.9 -73.9 42 6.0 -67.9 260 46 353.1 353.1 297.3 353.2 0.01 28 140 14653 -70.7 -78.7 30 8.0 -70.8 264 42 355.2 355.2 297.7 355.3 0.01 29 115 15808 -75.5 -86.5 16 11.0 -75.5 276 30 366.9 366.9 300.0 366.9 0.00 30 100 16610 -79.5 -88.5 21 9.0 -79.5 285 21 374.1 374.1 301.3 374.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5742.00 m Freezing level: 564.02 mb = 4941.45 m = 16211.91 ft Wetbulb zero: 617.98 mb = 4173.46 m = 13692.29 ft Precipitable water: 1.85 inches Sfc-500 mean rel hum: 69.00 % Est. max temperature: 28.93 C = 84.07 F Sfc-Lift cond lev (LCL): 968.12 mb = 410.17 m = 1345.69 ft T: 21.81 C 700-500 lapse rate: 5.05 C/km ThetaE index: 8.62 C Layer 937.0- 741.0 mb Conv cond level (CCL): 941.55 mb = 652.57 m = 2140.94 ft Mean mixing ratio: 15.56 g/kg Conv temperature: 26.03 C = 78.86 F Cap Strength: 1.23 C Lifted Index: -0.49 C Risk: Thunderstorms probable Lifted Index @300 mb: 3.02 C Lifted Index @700 mb: -0.97 C Showalter Index: 1.67 C Risk: Showers probable Total Totals Index: 41.30 C Risk: None Vertical Totals Index: 20.70 C Cross Totals Index: 20.60 C K Index: 34.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 219.00 Risk: None Energy Index: -2.02 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 204.93 J/kg Max Up Vert Vel: 20.24 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 1.22 C Lift Cond Lev (LCL): 944.55 mb = 624.87 m = 2050.08 ft Lev Free Conv (LFC): 939.55 mb = 671.10 m = 2201.75 ft Equ Level (EL): 609.55 mb = 4285.00 m = 14058.21 ft B at Equ Level: 160.57 J/kg Max Parcel Lev (MPL): 299.55 mb = 9700.54 m = 31825.53 ft Wind level data Storm motion: 100 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 1014 7 45 5 -3.5 -3.5 | 321 6 3.9 -4.8 1 1000 128 55 15 -12.3 -8.6 | 26 11 -4.9 -9.9 2 925 806 60 21 -18.2 -10.5 | 42 16 -10.8 -11.8 3 850 1530 60 21 -18.2 -10.5 | 42 16 -10.8 -11.8 4 700 3155 120 5 -4.3 2.5 | 248 3 3.1 1.2 5 500 5870 255 3 2.9 0.8 | 273 10 10.3 -0.5 6 400 7580 320 44 28.3 -33.7 | 314 50 35.7 -35.0 7 300 9690 275 46 45.8 -4.0 | 276 54 53.3 -5.3 8 250 10970 255 46 44.4 11.9 | 258 53 51.9 10.6 9 200 12450 245 52 47.1 22.0 | 249 58 54.6 20.7 10 150 14240 260 46 45.3 8.0 | 263 53 52.7 6.7 11 100 16610 285 21 20.3 -5.4 | 284 29 27.7 -6.7 Wind Parameters Mean winds (0-6000m): 69.6 at 10.0 knts Storm direction: 99.6 at 7.5 knts Shear (0-3000m) pos: 1.1 neg: 0.0 tot: 1.1 10-3/s Storm rel Dir Shear (0-3000m): -93.4 deg Storm rel helicity (0-3000m) pos: 52.0 neg: 0.0 tot: 52.0 m^2/s^2 ave: 17.3 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.3 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 46.06 Bulk Shear: 4.45 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 56 15 27 11| 13.9 0.0 13.9| 24.0 0.0 24.0 48.0 0.82| 14.5 11.8 1000 58 18 35 13| 8.3 0.0 8.3| 30.2 0.0 30.2 30.2 0.78| 8.7 6.7 1500 59 19 38 14| 5.6 0.0 5.6| 30.2 0.0 30.2 20.2 0.78| 5.8 4.5 2000 61 19 41 14| 3.2 0.0 3.2| 44.1 0.0 44.1 22.1 0.71| 6.2 4.4 2500 64 18 43 13| 1.9 0.0 1.9| 49.8 0.0 49.8 19.9 0.66| 6.4 4.2 3000 64 16 41 11| 1.1 0.0 1.1| 52.0 0.0 52.0 17.3 0.68| 6.3 4.3 4000 68 14 38 8| 1.0 0.0 1.0| 53.1 -0.3 52.7 13.2 0.61| 5.4 3.3 5000 70 12 34 6| 0.9 0.0 0.9| 57.8 -0.3 57.5 11.5 0.61| 4.7 2.9 6000 70 10 23 5| 0.9 0.0 0.9| 63.8 -1.0 62.7 10.5 0.58| 4.4 2.6 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251221.12.gif