UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for VOCC... Searching the city database file for: VOCC ... Date:1200Z 9 DEC 25 Station: VOCC WMO ident: 43353 Latitude: 9.95 Longitude: 76.27 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1008 3 28.6 21.6 66 7.0 23.6 265 10 301.1 304.1 296.4 349.1 16.32 1 1006 21 28.0 21.0 66 7.0 23.0 265 10 300.6 303.5 295.9 346.8 15.75 2 1005 31 28.0 21.0 66 7.0 23.0 265 10 300.7 303.6 296.0 347.0 15.77 3 1000 77 27.6 20.6 66 7.0 22.6 265 10 300.8 303.6 295.8 346.1 15.45 4 925 760 23.4 18.4 74 5.0 19.9 335 1 303.2 305.9 295.8 346.4 14.55 5 863 1360 19.8 14.8 73 5.0 16.4 93 12 305.6 307.9 295.0 342.6 12.36 6 850 1491 20.4 12.4 60 8.0 15.1 95 15 307.5 309.5 294.3 339.9 10.70 7 842 1572 20.0 8.0 46 12.0 12.6 91 13 307.9 309.4 292.3 332.4 8.02 8 799 2021 16.8 -1.2 29 18.0 7.3 83 4 309.2 310.0 289.6 322.8 4.38 9 700 3134 10.8 -7.2 28 18.0 2.3 30 7 314.4 315.1 290.2 324.7 3.18 10 693 3218 10.2 -9.8 23 20.0 1.3 28 6 314.7 315.2 289.8 323.2 2.62 11 610 4263 2.8 -5.2 56 8.0 -1.1 34 9 317.9 318.7 292.2 331.6 4.26 12 582 4642 1.4 -4.6 64 6.0 -1.6 61 8 320.5 321.4 293.2 335.7 4.67 13 569 4823 1.2 -9.8 44 11.0 -3.7 75 8 322.4 323.0 292.5 333.0 3.19 14 531 5375 -2.5 -11.5 50 9.0 -6.3 140 4 324.4 325.0 292.9 334.4 2.99 15 518 5571 -3.3 -19.3 28 16.0 -8.9 165 3 325.7 326.0 292.0 331.3 1.60 16 505 5772 -4.7 -12.7 54 8.0 -8.0 190 2 326.4 326.9 293.3 336.0 2.85 17 500 5850 -5.5 -13.5 53 8.0 -8.7 200 1 326.3 326.9 293.2 335.5 2.70 18 474 6270 -6.9 -14.9 53 8.0 -10.0 295 3 329.6 330.1 293.9 338.4 2.54 19 436 6921 -9.9 -26.9 24 17.0 -14.7 312 8 333.8 334.0 293.7 337.3 0.97 20 433 6974 -10.5 -28.5 21 18.0 -15.3 313 8 333.7 333.9 293.5 336.8 0.84 21 400 7580 -16.1 -29.1 32 13.0 -19.3 330 13 334.1 334.2 293.6 337.2 0.86 22 381 7946 -18.5 -28.5 41 10.0 -20.9 308 15 335.6 335.8 294.1 339.1 0.96 23 336 8879 -23.3 -38.3 24 15.0 -25.8 213 21 341.3 341.4 295.0 342.9 0.42 24 300 9700 -29.9 -43.9 24 14.0 -31.6 180 22 343.2 343.3 295.3 344.3 0.26 25 253 10898 -40.1 -55.1 19 15.0 -41.0 183 23 345.3 345.3 295.7 345.6 0.09 26 250 10980 -40.5 -55.5 18 15.0 -41.3 180 24 345.9 345.9 295.8 346.2 0.08 27 200 12470 -52.7 -64.7 22 12.0 -53.0 185 31 349.3 349.3 296.5 349.5 0.03 28 155 14080 -66.7 -77.7 20 11.0 -66.8 176 28 351.9 351.9 297.0 351.9 0.01 29 150 14280 -66.9 -77.9 20 11.0 -67.0 175 28 354.8 354.8 297.7 354.9 0.01 30 130 15137 -73.3 -83.3 20 10.0 -73.3 201 23 358.2 358.2 298.4 358.2 0.00 31 120 15608 -73.1 -83.1 20 10.0 -73.1 222 22 366.9 366.9 300.0 366.9 0.00 32 100 16660 -81.3 -91.3 17 10.0 -81.3 275 20 370.6 370.6 300.7 370.7 0.00 33 89 17315 -84.9 -94.9 15 10.0 -84.9 235 30 376.0 376.0 301.6 376.0 0.00 34 81 17840 -84.9 -94.9 15 10.0 -84.9 292 19 386.3 386.3 303.2 386.3 0.00 35 78 18051 -81.9 -91.9 17 10.0 -81.9 315 15 396.7 396.7 304.8 396.7 0.00 36 72 18506 -79.3 -89.3 18 10.0 -79.3 3 5 411.4 411.4 306.7 411.4 0.00 37 71 18587 -75.9 -85.9 19 10.0 -75.9 11 4 420.3 420.3 307.7 420.3 0.00 38 70 18670 -74.5 -85.5 17 11.0 -74.6 20 2 425.0 425.0 308.3 425.0 0.00 39 66 19017 -74.5 -84.5 20 10.0 -74.6 33 5 432.2 432.2 309.1 432.2 0.00 40 64 19199 -72.9 -83.9 17 11.0 -73.0 40 7 439.5 439.5 309.8 439.6 0.01 41 60 19580 -74.9 -84.9 20 10.0 -75.0 54 11 443.3 443.3 310.2 443.3 0.00 42 53 20313 -72.1 -83.1 18 11.0 -72.2 82 19 465.8 465.8 312.3 465.8 0.01 43 50 20660 -70.9 -81.9 18 11.0 -71.0 95 22 476.4 476.4 313.2 476.5 0.01 44 43 21564 -66.1 -77.1 20 11.0 -66.4 509.2 509.2 315.6 509.4 0.02 45 41 21855 -63.5 -74.5 21 11.0 -63.8 522.7 522.7 316.5 522.9 0.04 46 39 22162 -63.3 -74.3 21 11.0 -63.7 530.7 530.7 317.0 531.0 0.04 TRP 89 17315 -84.9 -94.9 15 10.0 -84.9 235 30 376.0 376.0 301.6 376.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5773.00 m Freezing level: 556.68 mb = 5002.33 m = 16411.64 ft Wetbulb zero: 647.78 mb = 3770.41 m = 12369.96 ft Precipitable water: 1.53 inches Sfc-500 mean rel hum: 47.57 % Est. max temperature: 33.86 C = 92.94 F Sfc-Lift cond lev (LCL): 910.84 mb = 893.50 m = 2931.39 ft T: 22.60 C 700-500 lapse rate: 6.00 C/km ThetaE index: 23.53 C Layer 863.0- 700.0 mb Conv cond level (CCL): 790.69 mb = 2108.72 m = 6918.28 ft Mean mixing ratio: 14.92 g/kg Conv temperature: 37.14 C = 98.86 F Cap Strength: 3.56 C Lifted Index: -1.18 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.55 C Lifted Index @700 mb: 1.23 C Showalter Index: 1.34 C Risk: Showers probable Total Totals Index: 43.80 C Risk: None Vertical Totals Index: 25.90 C Cross Totals Index: 17.90 C K Index: 20.30 Risk: 20-40 % chance of thunderstorms Sweat Index: 179.80 Risk: None Energy Index: -0.85 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 112.38 J/kg Max Up Vert Vel: 14.99 m/s Conv Inhibition (B-): 184.26 J/kg Cap Strength: 3.57 C Lift Cond Lev (LCL): 878.27 mb = 1208.55 m = 3965.00 ft Lev Free Conv (LFC): 653.27 mb = 3701.23 m = 12143.00 ft Equ Level (EL): 463.27 mb = 6447.94 m = 21154.40 ft B at Equ Level: 70.55 J/kg Max Parcel Lev (MPL): 213.27 mb = 12040.96 m = 39503.97 ft Wind level data Storm motion: 97 at 5 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 1008 3 265 10 10.0 0.9 | 269 15 14.5 0.3 1 1000 77 265 10 10.0 0.9 | 269 15 14.5 0.3 2 974 305 245 9 8.2 3.8 | 256 13 12.7 3.2 3 941 610 210 4 2.0 3.5 | 246 7 6.6 2.9 4 925 760 335 1 0.4 -0.9 | 287 5 5.0 -1.5 5 909 914 45 3 -2.1 -2.1 | 318 4 2.5 -2.7 6 877 1219 90 9 -9.0 0.0 | 82 4 -4.4 -0.6 7 850 1491 95 15 -14.9 1.3 | 94 10 -10.4 0.7 8 817 1829 80 8 -7.9 -1.4 | 59 4 -3.3 -2.0 9 788 2134 85 2 -2.0 -0.2 | 286 3 2.6 -0.8 10 760 2438 85 5 -5.0 -0.4 | 22 1 -0.4 -1.0 11 733 2743 85 5 -5.0 -0.4 | 22 1 -0.4 -1.0 12 700 3134 30 7 -3.5 -6.1 | 351 7 1.1 -6.6 13 656 3658 20 3 -1.0 -2.8 | 314 5 3.5 -3.4 14 608 4267 35 9 -5.2 -7.4 | 4 8 -0.6 -8.0 15 564 4877 80 8 -7.9 -1.4 | 59 4 -3.3 -2.0 16 500 5850 200 1 0.3 0.9 | 266 5 4.9 0.4 17 484 6096 290 2 1.9 -0.7 | 281 7 6.5 -1.3 18 400 7580 330 13 6.5 -11.3 | 317 16 11.1 -11.8 19 398 7620 340 13 4.4 -12.2 | 325 16 9.0 -12.8 20 324 9144 185 23 2.0 22.9 | 196 23 6.6 22.3 21 300 9700 180 22 0.0 22.0 | 192 22 4.6 21.4 22 261 10668 190 19 3.3 18.7 | 203 20 7.9 18.1 23 250 10980 180 24 0.0 24.0 | 191 24 4.6 23.4 24 200 12470 185 31 2.7 30.9 | 194 31 7.3 30.3 25 150 14280 175 28 -2.4 27.9 | 184 27 2.1 27.3 26 127 15240 205 22 9.3 19.9 | 216 24 13.9 19.4 27 100 16660 275 20 19.9 -1.7 | 275 25 24.5 -2.3 28 98 16764 270 19 19.0 -0.0 | 271 24 23.6 -0.6 29 89 17315 235 30 24.6 17.2 | 240 34 29.1 16.6 30 70 18670 20 2 -0.7 -1.9 | 302 5 3.9 -2.5 31 50 20660 95 22 -21.9 1.9 | 94 17 -17.3 1.3 Wind Parameters Mean winds (0-6000m): 67.3 at 6.1 knts Storm direction: 97.3 at 4.6 knts Shear (0-3000m) pos: 2.0 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 93.1 deg Storm rel helicity (0-3000m) pos: 21.1 neg: -26.4 tot: -5.3 m^2/s^2 ave: -1.8 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 8.8 stream: 0.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.84 Bulk Shear: 29.23 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 ------------------------------------------------------------------------------- 500 251 9 260 13| 0.0 7.2 7.2| 0.0 -17.1 -17.1 -34.3 -0.64| 8.1 -5.2 1000 250 6 262 10| 0.0 7.4 7.4| 13.3 -17.2 -3.9 -3.9 0.21| 10.5 2.3 1500 151 7 191 6| 3.9 4.9 8.8| 20.5 -17.2 3.3 2.2 0.35| 11.0 3.9 2000 103 8 111 3| 2.9 1.6 4.5| 20.5 -24.9 -4.4 -2.2 0.13| 11.0 1.4 2500 98 7 100 2| 2.4 1.3 3.7| 21.1 -25.5 -4.4 -1.8 0.11| 9.8 1.1 3000 92 7 81 2| 2.0 1.6 3.7| 21.1 -26.4 -5.3 -1.8 0.09| 8.8 0.8 4000 71 6 27 3| 1.6 1.1 2.7| 25.2 -33.0 -7.8 -2.0 0.05| 7.7 0.4 5000 65 7 23 4| 1.9 0.9 2.8| 38.9 -33.0 5.9 1.2 0.17| 7.4 1.3 6000 67 6 20 3| 1.0 0.7 1.7| 47.6 -33.0 14.6 2.4 0.26| 7.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//VOCC/skewt/VOCC.skewt.20251209.12.gif