UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120600.upa.cvt Date: 0000Z 6 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:0000Z 6 DEC 25 Station: VO371 WMO ident: 43371 Latitude: 8.48 Longitude: 76.95 ------------------------------------------------------------------------------- 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 1002 75 24.6 22.6 89 2.0 23.2 0 0 297.6 300.7 296.3 348.3 17.48 1 1000 92 25.4 21.3 78 4.1 22.5 335 2 298.5 301.5 295.6 345.5 16.15 2 925 774 22.2 18.7 81 3.5 19.8 235 3 302.0 304.7 295.7 345.8 14.83 3 850 1505 17.4 13.8 79 3.6 15.0 70 21 304.4 306.6 294.1 339.4 11.75 4 700 3136 10.4 0.4 50 10.0 4.9 100 18 314.0 315.1 292.2 331.7 5.63 5 500 5860 -3.9 -12.9 50 9.0 -7.7 75 6 328.3 328.9 293.8 338.0 2.83 6 400 7590 -15.5 -32.5 22 17.0 -19.3 175 2 334.8 335.0 293.6 337.2 0.62 7 300 9690 -30.7 -44.7 24 14.0 -32.3 185 26 342.1 342.2 295.1 343.1 0.24 8 250 10960 -40.7 -53.7 23 13.0 -41.5 215 29 345.6 345.6 295.7 346.0 0.10 9 200 12430 -53.7 -58.7 54 5.0 -53.8 240 27 347.7 347.7 296.2 348.0 0.07 10 150 14210 -67.9 -76.9 27 9.0 -67.9 270 36 353.1 353.1 297.3 353.2 0.01 11 100 16560 -82.5 -89.5 29 7.0 -82.5 165 10 368.3 368.3 300.2 368.3 0.00 12 90 17141 -87.1 -92.1 39 5.0 -87.1 370.4 370.4 300.7 370.4 0.00 13 83 17580 -89.5 -94.5 38 5.0 -89.5 374.2 374.2 301.3 374.2 0.00 14 82 17645 -89.9 -94.5 41 4.6 -89.9 374.7 374.7 301.4 374.7 0.00 15 82 17645 -90.1 -94.6 41 4.5 -90.1 374.3 374.3 301.3 374.3 0.00 16 82 17645 -86.3 -94.3 22 8.0 -86.3 382.1 382.1 302.6 382.1 0.00 17 82 17645 -85.7 -93.7 22 8.0 -85.7 383.3 383.3 302.8 383.3 0.00 18 81 17712 -84.9 -93.9 19 9.0 -84.9 386.3 386.3 303.2 386.3 0.00 19 81 17712 -84.1 -93.1 19 9.0 -84.1 387.9 387.9 303.5 387.9 0.00 20 81 17712 -82.7 -92.7 16 10.0 -82.7 390.8 390.8 303.9 390.8 0.00 21 81 17712 -77.1 -87.1 19 10.0 -77.1 402.3 402.3 305.5 402.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5768.00 m Freezing level: 554.55 mb = 5117.09 m = 16788.15 ft Wetbulb zero: 621.55 mb = 4098.34 m = 13445.83 ft Precipitable water: 1.81 inches Sfc-500 mean rel hum: 60.98 % Est. max temperature: 31.33 C = 88.40 F Sfc-Lift cond lev (LCL): 973.60 mb = 326.06 m = 1069.74 ft T: 24.30 C 700-500 lapse rate: 5.25 C/km ThetaE index: 14.02 C Layer 850.0- 500.0 mb Conv cond level (CCL): 858.20 mb = 1421.97 m = 4665.20 ft Mean mixing ratio: 15.24 g/kg Conv temperature: 31.14 C = 88.04 F Cap Strength: 1.96 C Lifted Index: 0.71 C Risk: Showers probable Lifted Index @300 mb: 0.16 C Lifted Index @700 mb: 1.06 C Showalter Index: 3.11 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 17.70 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 213.60 Risk: None Energy Index: -0.30 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.25 J/kg Max Up Vert Vel: 8.97 m/s Conv Inhibition (B-): 164.78 J/kg Cap Strength: 1.96 C Lift Cond Lev (LCL): 900.98 mb = 1001.46 m = 3285.60 ft Lev Free Conv (LFC): 435.98 mb = 6922.25 m = 22710.50 ft Equ Level (EL): 305.98 mb = 9545.94 m = 31318.31 ft B at Equ Level: 39.47 J/kg Max Parcel Lev (MPL): 245.98 mb = 11066.81 m = 36307.99 ft Wind level data Storm motion: 114 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 1002 75 0 0 -0.0 -0.0 | 294 9 8.0 -3.5 1 1000 92 335 2 0.8 -1.8 | 301 10 8.8 -5.3 2 976 305 210 2 1.0 1.7 | 281 9 9.0 -1.8 3 943 610 225 8 5.7 5.7 | 261 14 13.6 2.2 4 925 774 235 3 2.5 1.7 | 280 11 10.4 -1.8 5 910 914 0 0 -0.0 -0.0 | 294 9 8.0 -3.5 6 879 1219 80 12 -11.8 -2.1 | 35 7 -3.8 -5.6 7 850 1505 70 21 -19.7 -7.2 | 48 16 -11.8 -10.7 8 734 2743 80 10 -9.8 -1.7 | 20 6 -1.9 -5.2 9 700 3136 100 18 -17.7 3.1 | 88 10 -9.7 -0.4 10 632 3962 105 14 -13.5 3.6 | 91 6 -5.5 0.1 11 586 4572 50 11 -8.4 -7.1 | 2 11 -0.4 -10.6 12 544 5182 90 9 -9.0 0.0 | 16 4 -1.0 -3.5 13 524 5486 80 13 -12.8 -2.3 | 40 7 -4.8 -5.7 14 504 5791 85 7 -7.0 -0.6 | 346 4 1.0 -4.1 15 500 5860 75 6 -5.8 -1.6 | 337 5 2.2 -5.0 16 485 6096 55 6 -4.9 -3.4 | 336 8 3.1 -6.9 17 466 6401 85 8 -8.0 -0.7 | 360 4 0.0 -4.2 18 448 6706 85 9 -9.0 -0.8 | 13 4 -1.0 -4.3 19 414 7315 45 6 -4.2 -4.2 | 334 9 3.7 -7.7 20 400 7590 175 2 -0.2 2.0 | 281 8 7.8 -1.5 21 398 7620 100 2 -2.0 0.3 | 298 7 6.0 -3.1 22 382 7925 205 5 2.1 4.5 | 264 10 10.1 1.0 23 351 8534 180 16 0.0 16.0 | 213 15 8.0 12.5 24 300 9690 185 26 2.3 25.9 | 205 25 10.2 22.4 25 272 10363 200 26 8.9 24.4 | 219 27 16.9 20.9 26 250 10960 215 29 16.6 23.8 | 231 32 24.6 20.3 27 250 10973 215 31 17.8 25.4 | 230 34 25.8 21.9 28 207 12192 240 32 27.7 16.0 | 251 38 35.7 12.5 29 200 12430 240 27 23.4 13.5 | 252 33 31.4 10.0 30 198 12497 235 28 22.9 16.1 | 248 33 30.9 12.6 31 171 13411 265 20 19.9 1.7 | 274 28 27.9 -1.7 32 162 13716 285 21 20.3 -5.4 | 288 30 28.3 -8.9 33 150 14210 270 36 36.0 -0.0 | 275 44 44.0 -3.5 34 147 14326 275 29 28.9 -2.5 | 279 37 36.9 -6.0 35 132 14935 275 36 35.9 -3.1 | 279 44 43.8 -6.6 36 119 15545 265 33 32.9 2.9 | 271 41 40.9 -0.6 37 107 16154 260 20 19.7 3.5 | 270 28 27.7 -0.0 38 102 16459 270 12 12.0 -0.0 | 280 20 20.0 -3.5 39 100 16560 165 10 -2.6 9.7 | 221 8 5.4 6.2 40 96 16764 185 6 0.5 6.0 | 254 9 8.5 2.5 Wind Parameters Mean winds (0-6000m): 83.6 at 11.6 knts Storm direction: 113.6 at 8.7 knts Shear (0-3000m) pos: 3.8 neg: 1.3 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 146.7 deg Storm rel helicity (0-3000m) pos: 68.1 neg: -24.2 tot: 43.9 m^2/s^2 ave: 14.6 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 3.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.45 Bulk Shear: 27.78 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 ------------------------------------------------------------------------------- 500 228 3 276 11| 0.0 7.5 7.5| 0.0 -15.9 -15.9 -31.8 -0.60| 9.8 -5.9 1000 230 4 276 11| 7.0 3.8 10.8| 34.2 -15.9 18.3 18.3 0.30| 12.1 3.7 1500 87 7 351 4| 9.3 2.5 11.8| 56.3 -16.0 40.2 26.8 0.44| 13.7 6.0 2000 78 10 18 6| 5.8 1.9 7.7| 56.3 -18.8 37.5 18.7 0.38| 11.5 4.3 2500 77 11 24 7| 3.7 1.5 5.2| 56.3 -23.2 33.1 13.2 0.30| 10.1 3.0 3000 79 11 28 6| 3.8 1.3 5.0| 68.1 -24.2 43.9 14.6 0.36| 9.9 3.6 4000 87 12 47 6| 2.6 1.0 3.6| 72.0 -27.8 44.2 11.0 0.31| 8.4 2.6 5000 84 12 41 6| 2.2 1.4 3.6| 76.0 -45.9 30.1 6.0 0.16| 8.4 1.4 6000 84 12 37 6| 1.9 1.5 3.4| 78.7 -53.6 25.1 4.2 0.10| 8.2 0.8 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251206.00.gif