UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121812.upa.cvt Date: 1200Z 18 DEC 25 Searching for VVDN... Searching the city database file for: VVDN ... Date:1200Z 18 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 1015 7 23.8 20.2 80 3.6 21.3 335 5 295.7 298.4 293.9 338.3 14.84 1 1000 138 22.6 19.9 85 2.7 20.8 345 13 295.8 298.4 293.9 338.3 14.78 2 925 813 18.2 16.5 90 1.7 17.1 10 13 297.9 300.3 293.2 335.3 12.87 3 889 1153 15.4 15.4 100 0.0 15.4 22 10 298.4 300.7 293.0 334.7 12.47 4 850 1534 13.4 13.4 100 0.0 13.4 35 7 300.2 302.3 292.7 333.7 11.44 5 778 2277 10.0 10.0 100 0.0 10.0 92 6 304.2 306.1 292.8 334.0 9.96 6 727 2840 7.8 5.0 82 2.8 6.2 136 5 307.8 309.2 291.9 330.8 7.54 7 706 3083 8.8 2.8 66 6.0 5.4 155 5 311.5 312.7 292.3 332.1 6.65 8 700 3154 8.2 2.2 66 6.0 4.9 160 5 311.6 312.8 292.1 331.5 6.42 9 680 3393 6.4 -0.6 61 7.0 2.7 167 7 312.1 313.2 291.5 329.0 5.39 10 622 4118 1.2 1.2 100 0.0 1.2 190 13 314.3 315.5 293.2 335.4 6.73 11 596 4460 -0.5 -3.2 82 2.7 -1.9 201 16 316.1 317.1 292.3 332.3 5.07 12 592 4514 -0.5 -8.5 55 8.0 -4.0 202 17 316.8 317.4 291.1 327.8 3.40 13 589 4555 -0.7 -3.9 79 3.2 -2.3 204 17 317.0 317.9 292.4 332.6 4.87 14 583 4637 -1.3 -4.0 82 2.7 -2.6 206 18 317.2 318.2 292.5 332.9 4.88 15 573 4775 -1.7 -9.7 54 8.0 -5.1 211 19 318.3 318.9 291.4 328.8 3.20 16 562 4929 -3.3 -10.3 58 7.0 -6.2 215 21 318.2 318.8 291.3 328.4 3.11 17 558 4985 -3.7 -14.7 42 11.0 -7.8 217 21 318.4 318.8 290.5 325.7 2.19 18 555 5028 -2.9 -29.9 10 27.0 -9.9 219 22 319.8 319.9 289.3 321.9 0.58 19 500 5850 -6.5 -47.5 2 41.0 -13.5 245 29 325.1 325.1 290.4 325.5 0.10 20 453 6614 -10.3 -45.3 4 35.0 -16.2 243 34 329.7 329.7 291.7 330.2 0.15 21 428 7048 -13.7 -26.7 33 13.0 -17.1 242 37 330.7 330.9 292.9 334.4 1.01 22 421 7173 -14.5 -31.5 22 17.0 -18.4 241 37 331.3 331.4 292.7 333.7 0.65 23 405 7466 -14.9 -53.9 2 39.0 -19.9 240 39 334.4 334.4 293.0 334.7 0.06 24 400 7560 -14.3 -54.3 2 40.0 -19.6 240 40 336.4 336.4 293.5 336.6 0.06 25 396 7636 -13.7 -54.7 2 41.0 -19.2 240 40 338.2 338.2 293.9 338.4 0.06 26 332 8955 -22.5 -60.5 2 38.0 -26.1 243 39 343.6 343.6 295.2 343.7 0.03 27 300 9690 -28.9 -55.9 6 27.0 -31.2 245 38 344.6 344.7 295.5 344.9 0.07 28 261 10666 -37.9 -57.9 11 20.0 -39.1 253 44 345.4 345.5 295.7 345.7 0.06 29 250 10960 -40.7 -52.7 26 12.0 -41.5 255 46 345.6 345.6 295.7 346.0 0.12 30 247 11042 -41.3 -53.3 26 12.0 -42.0 253 46 345.9 345.9 295.8 346.3 0.11 31 206 12249 -51.5 -55.9 59 4.4 -51.7 229 49 348.3 348.3 296.3 348.7 0.10 32 200 12440 -52.9 -59.9 42 7.0 -53.1 225 50 349.0 349.0 296.5 349.3 0.06 33 185 12939 -57.2 -63.5 45 6.3 -57.3 220 60 349.9 349.9 296.7 350.1 0.04 34 180 13112 -58.7 -64.7 46 6.0 -58.8 223 59 350.2 350.2 296.7 350.4 0.04 35 171 13433 -60.9 -71.9 22 11.0 -61.0 229 58 351.7 351.7 297.0 351.8 0.01 36 169 13506 -60.5 -76.5 10 16.0 -60.7 231 57 353.6 353.6 297.4 353.6 0.01 37 150 14240 -66.1 -77.1 20 11.0 -66.2 245 54 356.2 356.2 298.0 356.2 0.01 38 129 15136 -73.5 -83.5 20 10.0 -73.5 267 44 358.6 358.6 298.4 358.6 0.00 39 120 15557 -75.1 -83.1 28 8.0 -75.1 278 39 363.2 363.2 299.3 363.2 0.00 40 100 16600 -79.9 -88.9 21 9.0 -79.9 305 27 373.4 373.4 301.1 373.4 0.00 TRP WND 185 12939 -57.2 -63.5 45 6.3 -57.3 220 60 349.9 349.9 296.7 350.1 0.04 Sounding variables and indices 1000-500 mb thick: 5712.00 m Freezing level: 603.65 mb = 4359.53 m = 14302.76 ft Wetbulb zero: 611.83 mb = 4249.89 m = 13943.03 ft Precipitable water: 1.75 inches Sfc-500 mean rel hum: 73.45 % Est. max temperature: 27.63 C = 81.73 F Sfc-Lift cond lev (LCL): 963.12 mb = 463.38 m = 1520.27 ft T: 20.48 C 700-500 lapse rate: 5.45 C/km ThetaE index: 4.61 C Layer 1000.0- 778.0 mb Conv cond level (CCL): 916.00 mb = 896.75 m = 2942.06 ft Mean mixing ratio: 13.86 g/kg Conv temperature: 26.17 C = 79.10 F Cap Strength: 1.81 C Lifted Index: 1.62 C Risk: Showers probable Lifted Index @300 mb: 7.09 C Lifted Index @700 mb: 1.53 C Showalter Index: 3.03 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 19.90 C Cross Totals Index: 19.90 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 203.80 Risk: None Energy Index: -1.51 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 65.18 J/kg Max Up Vert Vel: 11.42 m/s Conv Inhibition (B-): 4.07 J/kg Cap Strength: 1.64 C Lift Cond Lev (LCL): 933.11 mb = 737.39 m = 2419.24 ft Lev Free Conv (LFC): 898.11 mb = 1065.67 m = 3496.25 ft Equ Level (EL): 718.11 mb = 2942.21 m = 9652.82 ft B at Equ Level: 51.84 J/kg Max Parcel Lev (MPL): 488.11 mb = 6036.33 m = 19803.98 ft Wind level data Storm motion: 284 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 1015 7 335 5 2.1 -4.5 | 74 8 -7.3 -2.1 1 1000 138 345 13 3.4 -12.6 | 31 12 -6.1 -10.1 2 925 813 10 13 -2.3 -12.8 | 48 16 -11.7 -10.4 3 850 1534 35 7 -4.0 -5.7 | 76 14 -13.4 -3.3 4 700 3154 160 5 -1.7 4.7 | 123 13 -11.1 7.1 5 500 5850 245 29 26.3 12.3 | 229 22 16.9 14.7 6 400 7560 240 40 34.6 20.0 | 228 34 25.2 22.4 7 300 9690 245 38 34.4 16.1 | 234 31 25.0 18.5 8 250 10960 255 46 44.4 11.9 | 248 38 35.0 14.3 9 200 12440 225 50 35.4 35.4 | 214 46 25.9 37.8 10 185 12939 220 60 38.6 46.0 | 211 56 29.1 48.4 11 150 14240 245 54 48.9 22.8 | 237 47 39.5 25.2 12 100 16600 305 27 22.1 -15.5 | 316 18 12.7 -13.1 Wind Parameters Mean winds (0-6000m): 254.4 at 13.0 knts Storm direction: 284.4 at 9.7 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 45.6 deg Storm rel helicity (0-3000m) pos: 88.1 neg: -14.7 tot: 73.4 m^2/s^2 ave: 24.5 10^-3 m/s^2 rel: 0.48 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 2.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 1.45 Bulk Shear: 45.10 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 ------------------------------------------------------------------------------- 500 350 12 38 12| 8.9 0.0 8.9| 6.3 -14.7 -8.4 -16.7 -0.43| 11.3 -4.9 1000 359 12 43 14| 4.3 0.0 4.3| 22.7 -14.7 8.0 8.0 -0.04| 8.1 -0.3 1500 5 11 50 14| 2.2 0.0 2.2| 41.5 -14.7 26.8 17.9 0.20| 7.1 1.4 2000 12 10 57 14| 2.2 0.0 2.2| 57.8 -14.7 43.2 21.6 0.33| 6.5 2.2 2500 19 9 63 14| 2.1 0.0 2.1| 74.9 -14.7 60.2 24.1 0.43| 6.0 2.6 3000 21 9 66 14| 1.7 0.0 1.7| 88.1 -14.7 73.4 24.5 0.48| 5.7 2.7 4000 32 9 71 15| 2.2 0.0 2.2|122.5 -14.7 107.8 27.0 0.57| 5.5 3.1 5000 237 10 174 8| 2.5 0.0 2.5|184.1 -14.7 169.4 33.9 0.67| 5.7 3.8 6000 254 13 207 7| 2.6 0.0 2.6|260.1 -14.7 245.4 40.9 0.72| 6.0 4.4 Wrote GIF file: /home/apache/climate/data/raob//VVDN/skewt/VVDN.skewt.20251218.12.gif