UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122100.upa.cvt Date: 0000Z 21 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 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 23.6 21.9 90 1.7 22.4 10 3 295.6 298.5 295.1 343.1 16.53 1 1000 126 23.2 21.7 91 1.5 22.2 15 13 296.4 299.3 295.3 344.1 16.56 2 925 804 18.8 18.8 100 0.0 18.8 35 23 298.5 301.2 294.8 341.9 14.93 3 863 1399 15.4 15.3 99 0.1 15.4 51 23 301.0 303.3 294.0 338.5 12.77 4 850 1528 15.0 15.0 100 0.0 15.0 55 23 301.9 304.2 294.1 339.4 12.72 5 739 2706 9.6 9.6 100 0.0 9.6 91 13 308.3 310.2 294.1 339.3 10.21 6 700 3156 7.2 7.1 99 0.1 7.2 105 9 310.5 312.2 293.9 338.3 9.08 7 637 3927 3.4 3.4 100 0.0 3.4 78 8 314.6 316.1 294.0 338.7 7.70 8 594 4492 1.6 0.9 95 0.7 1.2 59 8 318.9 320.2 294.6 340.9 6.90 9 572 4797 1.4 -17.6 23 19.0 -5.6 48 8 322.1 322.4 291.1 327.8 1.68 10 564 4910 2.0 -37.0 4 39.0 -7.5 44 8 324.1 324.2 290.3 325.2 0.28 11 500 5870 -5.3 -37.3 6 32.0 -12.3 10 7 326.6 326.6 291.1 327.7 0.31 12 465 6435 -10.1 -38.1 8 28.0 -15.7 346 14 327.5 327.5 291.3 328.6 0.31 13 400 7580 -17.1 -50.1 4 33.0 -21.4 295 27 332.8 332.8 292.6 333.2 0.10 14 393 7712 -17.7 -50.7 4 33.0 -21.9 292 28 333.7 333.7 292.8 334.0 0.09 15 360 8365 -20.7 -57.7 2 37.0 -24.5 279 32 338.1 338.1 293.9 338.3 0.04 16 309 9478 -27.7 -62.7 2 35.0 -30.3 255 39 343.4 343.4 295.1 343.5 0.03 17 300 9690 -29.5 -62.5 3 33.0 -31.8 250 40 343.8 343.8 295.3 343.9 0.03 18 250 10960 -40.5 -55.5 18 15.0 -41.3 245 46 345.9 345.9 295.8 346.2 0.08 19 248 11015 -40.9 -54.9 21 14.0 -41.7 245 46 346.1 346.1 295.8 346.4 0.09 20 223 11728 -46.3 -59.3 22 13.0 -46.8 240 46 348.4 348.4 296.3 348.7 0.06 21 212 12061 -49.3 -54.1 57 4.8 -49.5 238 46 348.8 348.9 296.5 349.3 0.12 22 200 12440 -52.5 -56.9 59 4.4 -52.7 235 46 349.6 349.6 296.6 350.0 0.09 23 198 12505 -52.9 -57.2 59 4.3 -53.1 236 46 350.0 350.0 296.7 350.4 0.08 24 155 14032 -66.3 -70.9 52 4.6 -66.4 248 46 352.5 352.6 297.2 352.6 0.02 25 150 14230 -67.7 -73.7 42 6.0 -67.7 250 46 353.5 353.5 297.4 353.5 0.01 26 148 14311 -68.3 -75.3 36 7.0 -68.4 251 45 353.8 353.8 297.4 353.8 0.01 27 137 14770 -72.1 -76.4 52 4.3 -72.1 257 41 355.0 355.0 297.7 355.0 0.01 28 129 15123 -73.9 -79.9 39 6.0 -73.9 261 37 357.9 357.9 298.3 357.9 0.01 29 114 15840 -76.5 -86.5 19 10.0 -76.5 270 30 365.9 365.9 299.8 366.0 0.00 30 100 16590 -79.3 -87.3 26 8.0 -79.3 280 23 374.5 374.5 301.4 374.5 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5744.00 m Freezing level: 546.47 mb = 5173.27 m = 16972.45 ft Wetbulb zero: 590.14 mb = 4545.01 m = 14911.27 ft Precipitable water: 2.00 inches Sfc-500 mean rel hum: 78.85 % Est. max temperature: 28.98 C = 84.16 F Sfc-Lift cond lev (LCL): 989.51 mb = 217.72 m = 714.28 ft T: 22.60 C 700-500 lapse rate: 4.61 C/km ThetaE index: 5.59 C Layer 925.0- 850.0 mb Conv cond level (CCL): 944.63 mb = 621.39 m = 2038.65 ft Mean mixing ratio: 15.73 g/kg Conv temperature: 25.99 C = 78.78 F Cap Strength: 2.27 C Lifted Index: 0.25 C Risk: Showers probable Lifted Index @300 mb: 2.82 C Lifted Index @700 mb: -1.37 C Showalter Index: 1.77 C Risk: Showers probable Total Totals Index: 40.60 C Risk: None Vertical Totals Index: 20.30 C Cross Totals Index: 20.30 C K Index: 35.20 Risk: > 80 % chance of thunderstorms Sweat Index: 233.00 Risk: None Energy Index: -2.19 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 205.01 J/kg Max Up Vert Vel: 20.25 m/s Conv Inhibition (B-): 0.64 J/kg Cap Strength: 2.19 C Lift Cond Lev (LCL): 952.72 mb = 547.23 m = 1795.34 ft Lev Free Conv (LFC): 937.72 mb = 685.24 m = 2248.13 ft Equ Level (EL): 587.72 mb = 4578.20 m = 15020.14 ft B at Equ Level: 148.23 J/kg Max Parcel Lev (MPL): 287.72 mb = 9981.16 m = 32746.19 ft Wind level data Storm motion: 84 at 10 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 10 3 -0.5 -3.0 | 282 9 9.2 -1.9 1 1000 126 15 13 -3.4 -12.6 | 331 13 6.3 -11.5 2 925 804 35 23 -13.2 -18.8 | 11 18 -3.5 -17.8 3 850 1528 55 23 -18.8 -13.2 | 37 15 -9.2 -12.2 4 700 3156 105 9 -8.7 2.3 | 196 3 1.0 3.3 5 500 5870 10 7 -1.2 -6.9 | 305 10 8.5 -5.9 6 400 7580 295 27 24.5 -11.4 | 287 36 34.1 -10.4 7 300 9690 250 40 37.6 13.7 | 253 49 47.3 14.7 8 250 10960 245 46 41.7 19.4 | 248 55 51.4 20.5 9 200 12440 235 46 37.7 26.4 | 240 55 47.4 27.4 10 150 14230 250 46 43.2 15.7 | 252 55 52.9 16.7 11 100 16590 280 23 22.7 -4.0 | 275 32 32.3 -3.0 Wind Parameters Mean winds (0-6000m): 54.0 at 13.0 knts Storm direction: 84.0 at 9.7 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): -110.5 deg Storm rel helicity (0-3000m) pos: 126.4 neg: 0.0 tot: 126.4 m^2/s^2 ave: 42.1 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 8.3 stream: 6.9 10^-3/s Energy-Hel index: 0.15 Bulk Rich Number: 25.55 Bulk Shear: 8.02 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 21 14 338 13| 16.2 0.0 16.2| 47.2 0.0 47.2 94.4 0.92| 17.1 15.8 1000 30 18 357 14| 10.5 0.0 10.5| 78.6 0.0 78.6 78.6 0.91| 12.5 11.4 1500 37 20 8 15| 7.2 0.0 7.2|100.9 0.0 100.9 67.2 0.92| 10.2 9.4 2000 43 20 16 14| 4.5 0.0 4.5|114.9 0.0 114.9 57.4 0.86| 9.5 8.1 2500 48 19 22 13| 2.9 0.0 2.9|122.1 0.0 122.1 48.8 0.82| 8.9 7.3 3000 51 18 23 11| 1.8 0.0 1.8|126.4 0.0 126.4 42.1 0.83| 8.3 6.9 4000 56 16 24 9| 1.4 0.6 2.0|128.7 0.0 128.7 32.2 0.82| 7.0 5.7 5000 56 14 18 7| 1.1 1.0 2.1|129.1 -0.5 128.6 25.7 0.76| 6.1 4.6 6000 54 13 7 7| 0.9 1.2 2.1|131.5 -3.8 127.6 21.3 0.68| 5.6 3.8 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251221.00.gif