UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122000.upa.cvt Date: 0000Z 20 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:0000Z 20 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 1013 7 22.2 20.7 91 1.5 21.2 25 1 294.3 297.0 293.9 338.1 15.35 1 1000 121 22.2 19.3 84 2.9 20.2 355 3 295.4 297.9 293.4 336.2 14.23 2 997 147 22.6 19.2 81 3.4 20.2 356 3 296.0 298.6 293.5 336.8 14.18 3 930 751 18.6 18.6 100 0.0 18.6 18 14 297.9 300.5 294.4 340.4 14.65 4 925 797 18.4 18.4 100 0.0 18.4 20 15 298.1 300.8 294.4 340.4 14.55 5 850 1520 14.8 14.5 98 0.3 14.6 55 9 301.6 303.9 293.8 337.9 12.31 6 750 2570 8.2 8.2 100 0.0 8.2 139 6 305.5 307.2 292.5 333.0 9.14 7 742 2659 9.0 5.1 77 3.9 6.8 146 6 307.3 308.7 291.7 329.9 7.44 8 724 2862 7.2 3.4 77 3.8 5.1 162 6 307.5 308.7 291.2 328.1 6.76 9 719 2919 8.4 -8.6 29 17.0 0.9 167 6 309.4 309.9 288.2 318.2 2.77 10 700 3141 7.4 -20.6 12 28.0 -2.1 185 5 310.7 310.9 286.8 314.2 1.06 11 693 3224 8.2 -32.8 4 41.0 -2.9 180 6 312.5 312.5 286.6 313.7 0.35 12 641 3863 6.4 138 11 317.5 13 640 3876 6.4 137 11 317.6 14 556 5013 0.0 -48.0 1 48.0 -9.1 62 20 323.1 323.1 289.8 323.4 0.09 15 500 5850 -7.3 -43.3 4 36.0 -13.8 5 27 324.1 324.2 290.2 324.8 0.17 16 497 5897 -7.7 -43.7 4 36.0 -14.1 3 27 324.2 324.2 290.2 324.8 0.16 17 468 6362 -9.7 -50.7 2 41.0 -15.9 343 25 327.3 327.4 291.0 327.7 0.08 18 400 7560 -15.5 -57.5 1 42.0 -20.4 290 21 334.8 334.9 293.0 335.0 0.04 19 339 8795 -22.7 -62.7 1 40.0 -26.2 270 32 341.3 341.3 294.7 341.4 0.02 20 302 9633 -29.7 -64.7 2 35.0 -32.0 256 40 342.9 342.9 295.0 343.0 0.02 21 300 9680 -29.7 -64.7 2 35.0 -32.0 255 40 343.5 343.5 295.2 343.6 0.02 22 289 9944 -30.5 -53.5 9 23.0 -32.5 251 42 346.1 346.1 295.8 346.5 0.09 23 250 10950 -38.9 -59.9 9 21.0 -40.0 235 48 348.2 348.2 296.3 348.4 0.05 24 228 11576 -44.5 -61.5 13 17.0 -45.2 235 47 349.0 349.0 296.4 349.2 0.04 25 200 12440 -52.5 -58.5 48 6.0 -52.7 235 46 349.6 349.6 296.6 349.9 0.07 26 199 12472 -52.9 -58.9 48 6.0 -53.1 235 46 349.5 349.5 296.6 349.8 0.07 27 191 12735 -55.3 -64.3 32 9.0 -55.5 234 47 349.8 349.8 296.6 349.9 0.04 28 181 13076 -58.5 -64.5 46 6.0 -58.6 233 47 350.0 350.0 296.7 350.1 0.04 29 155 14032 -66.5 -71.5 49 5.0 -66.5 231 50 352.2 352.2 297.1 352.3 0.02 30 150 14230 -67.7 -73.7 42 6.0 -67.7 230 50 353.5 353.5 297.4 353.5 0.01 31 143 14516 -70.3 -74.6 53 4.3 -70.4 236 46 353.8 353.8 297.4 353.8 0.01 32 134 14901 -71.5 -80.5 25 9.0 -71.5 245 41 358.3 358.3 298.4 358.3 0.00 33 121 15497 -76.1 -84.1 27 8.0 -76.1 259 34 360.5 360.5 298.8 360.5 0.00 34 100 16590 -78.5 -87.5 22 9.0 -78.5 285 19 376.1 376.1 301.6 376.1 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5729.00 m Freezing level: 556.00 mb = 5013.15 m = 16447.13 ft Wetbulb zero: 713.29 mb = 2985.41 m = 9794.52 ft Precipitable water: 1.44 inches Sfc-500 mean rel hum: 68.08 % Est. max temperature: 28.98 C = 84.17 F Sfc-Lift cond lev (LCL): 991.33 mb = 196.72 m = 645.39 ft T: 22.27 C 700-500 lapse rate: 5.43 C/km ThetaE index: 26.66 C Layer 925.0- 641.0 mb Conv cond level (CCL): 922.36 mb = 821.41 m = 2694.88 ft Mean mixing ratio: 14.46 g/kg Conv temperature: 26.20 C = 79.16 F Cap Strength: 2.81 C Lifted Index: 0.00 C Risk: Showers probable Lifted Index @300 mb: 5.17 C Lifted Index @700 mb: 0.11 C Showalter Index: 0.36 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 22.10 C Cross Totals Index: 21.80 C K Index: 8.60 Risk: None Sweat Index: 219.00 Risk: None Energy Index: -2.49 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 55.41 J/kg Max Up Vert Vel: 10.53 m/s Conv Inhibition (B-): 7.20 J/kg Cap Strength: 2.77 C Lift Cond Lev (LCL): 941.25 mb = 646.26 m = 2120.24 ft Lev Free Conv (LFC): 846.25 mb = 1557.03 m = 5108.32 ft Equ Level (EL): 706.25 mb = 3067.39 m = 10063.48 ft B at Equ Level: 54.90 J/kg Max Parcel Lev (MPL): 636.25 mb = 3923.43 m = 12871.98 ft Wind level data Storm motion: 47 at 9 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 1013 7 25 1 -0.4 -0.9 | 229 8 6.4 5.4 1 1000 121 355 3 0.3 -3.0 | 244 8 7.0 3.4 2 925 797 20 15 -5.1 -14.1 | 348 8 1.7 -7.7 3 850 1520 55 9 -7.4 -5.2 | 154 1 -0.6 1.2 4 700 3141 185 5 0.4 5.0 | 212 13 7.2 11.3 5 500 5850 5 27 -2.4 -26.9 | 348 21 4.4 -20.5 6 400 7560 290 21 19.7 -7.2 | 272 27 26.5 -0.8 7 300 9680 255 40 38.6 10.4 | 250 48 45.4 16.7 8 250 10950 235 48 39.3 27.5 | 234 57 46.1 33.9 9 200 12440 235 46 37.7 26.4 | 234 55 44.5 32.7 10 150 14230 230 50 38.3 32.1 | 230 59 45.1 38.5 11 100 16590 285 19 18.4 -4.9 | 267 25 25.1 1.4 Wind Parameters Mean winds (0-6000m): 16.9 at 12.4 knts Storm direction: 46.9 at 9.3 knts Shear (0-3000m) pos: 2.6 neg: 1.5 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): -21.2 deg Storm rel helicity (0-3000m) pos: 51.2 neg: 0.0 tot: 51.2 m^2/s^2 ave: 17.1 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 4.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 8.18 Bulk Shear: 6.78 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 6 5 261 6| 0.0 9.1 9.1| 16.2 0.0 16.2 32.5 0.96| 9.5 9.1 1000 18 9 302 5| 2.8 4.6 7.3| 27.8 0.0 27.8 27.8 0.87| 9.1 7.9 1500 25 10 316 4| 2.5 3.0 5.6| 29.6 0.0 29.6 19.7 0.79| 8.3 6.6 2000 35 10 319 2| 3.1 2.3 5.4| 31.4 0.0 31.4 15.7 0.69| 7.8 5.3 2500 42 9 298 1| 3.0 1.8 4.8| 38.9 0.0 38.9 15.6 0.67| 7.3 4.9 3000 44 9 260 1| 2.6 1.5 4.1| 51.2 0.0 51.2 17.1 0.69| 6.8 4.7 4000 63 8 164 3| 1.9 1.6 3.5| 53.8 -40.3 13.5 3.4 0.34| 6.6 2.3 5000 58 10 123 2| 1.5 3.1 4.6| 53.8-104.2 -50.4 -10.1 -0.03| 7.4 -0.3 6000 17 12 330 6| 1.3 3.5 4.8| 53.8-210.1-156.3 -26.0 -0.28| 8.5 -2.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251220.00.gif