UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120212.upa.cvt Date: 1200Z 2 DEC 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1200Z 2 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 ------------------------------------------------------------------------------- 0 1000 64 0 0 SFC 999 73 30.0 25.0 75 5.0 26.3 0 0 303.2 307.0 299.4 363.8 20.35 2 925 753 21.6 20.0 91 1.6 20.5 280 3 301.4 304.4 296.4 348.8 16.11 3 850 1482 19.2 14.2 73 5.0 15.8 0 0 306.3 308.5 294.9 342.5 12.07 4 700 3133 10.4 3.4 62 7.0 6.3 335 6 314.0 315.3 293.3 335.9 7.00 5 500 5870 -4.1 -21.1 25 17.0 -9.8 175 1 328.0 328.3 292.5 333.0 1.42 6 400 7590 -15.5 -31.5 24 16.0 -19.1 130 12 334.8 335.0 293.7 337.4 0.69 7 300 9700 -30.9 -54.9 8 24.0 -32.9 225 10 341.8 341.8 294.8 342.1 0.07 8 250 10970 -40.9 -48.9 42 8.0 -41.5 250 22 345.3 345.3 295.7 346.0 0.18 9 200 12440 -53.1 -70.1 11 17.0 -53.4 275 10 348.7 348.7 296.4 348.7 0.02 10 150 14240 -68.3 -80.3 16 12.0 -68.4 245 15 352.4 352.4 297.1 352.4 0.00 11 100 16570 -83.3 -90.3 28 7.0 -83.3 175 11 366.8 366.8 300.0 366.8 0.00 12 88 17276 -88.5 -93.5 38 5.0 -88.5 135 22 370.0 370.0 300.6 370.0 0.00 13 70 18550 -79.5 -88.5 21 9.0 -79.5 120 10 414.3 414.3 307.0 414.3 0.00 14 50 20500 -71.5 -90.5 4 19.0 -71.6 100 30 475.0 475.0 313.1 475.0 0.00 15 30 23600 -61.5 -94.5 0 33.0 -62.3 80 45 577.0 577.0 319.5 577.0 0.00 16 20 26170 -53.7 -88.7 1 35.0 -56.2 80 52 671.8 671.8 323.5 671.9 0.01 17 10 30690 -40.9 -79.9 1 39.0 -50.7 355 24 866.9 866.9 328.8 867.6 0.07 TRP 88 17276 -88.5 -93.5 38 5.0 -88.5 135 22 370.0 370.0 300.6 370.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5806.00 m Freezing level: 556.55 mb = 5096.09 m = 16719.25 ft Wetbulb zero: 621.49 mb = 4100.61 m = 13453.28 ft Precipitable water: 1.90 inches Sfc-500 mean rel hum: 59.21 % Est. max temperature: 33.07 C = 91.52 F Sfc-Lift cond lev (LCL): 929.72 mb = 708.01 m = 2322.85 ft T: 22.16 C 700-500 lapse rate: 5.30 C/km ThetaE index: 30.76 C Layer 925.0- 400.0 mb Conv cond level (CCL): 901.56 mb = 974.26 m = 3196.36 ft Mean mixing ratio: 17.46 g/kg Conv temperature: 29.63 C = 85.34 F Cap Strength: 0.55 C Lifted Index: -2.54 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -4.61 C Lifted Index @700 mb: -1.25 C Showalter Index: 1.68 C Risk: Showers probable Total Totals Index: 41.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 18.30 C K Index: 30.50 Risk: 60-80 % chance of thunderstorms Sweat Index: 171.40 Risk: None Energy Index: -1.74 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1421.64 J/kg Max Up Vert Vel: 53.32 m/s Conv Inhibition (B-): 10.50 J/kg Cap Strength: 0.95 C Lift Cond Lev (LCL): 909.51 mb = 898.55 m = 2947.97 ft Lev Free Conv (LFC): 804.51 mb = 1949.66 m = 6396.46 ft Equ Level (EL): 134.51 mb = 14866.15 m = 48772.85 ft B at Equ Level: 1392.58 J/kg Max Parcel Lev (MPL): 74.51 mb = 18201.91 m = 59716.83 ft Wind level data Storm motion: 31 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 ---------------------------------------------------------- 0 999 73 0 0 -0.0 -0.0 | 211 5 2.4 4.1 1 973 305 270 8 8.0 -0.0 | 248 11 10.4 4.1 2 925 753 280 3 3.0 -0.5 | 236 6 5.4 3.6 3 908 914 315 2 1.4 -1.4 | 235 5 3.8 2.7 4 876 1219 190 3 0.5 3.0 | 203 8 2.9 7.1 5 850 1482 0 0 -0.0 -0.0 | 211 5 2.4 4.1 6 846 1524 0 1 -0.0 -1.0 | 218 4 2.4 3.1 7 816 1829 350 2 0.3 -2.0 | 232 4 2.8 2.1 8 787 2134 355 5 0.4 -5.0 | 287 3 2.9 -0.9 9 760 2438 300 5 4.3 -2.5 | 257 7 6.8 1.6 10 733 2743 340 7 2.4 -6.6 | 297 5 4.8 -2.5 11 700 3133 335 6 2.5 -5.4 | 285 5 5.0 -1.3 12 656 3658 355 7 0.6 -7.0 | 313 4 3.0 -2.9 13 632 3962 15 9 -2.3 -8.7 | 359 5 0.1 -4.6 14 565 4877 10 12 -2.1 -11.8 | 357 8 0.3 -7.7 15 544 5182 35 14 -8.0 -11.5 | 37 9 -5.6 -7.4 16 524 5486 50 9 -6.9 -5.8 | 70 5 -4.5 -1.7 17 500 5870 175 1 -0.1 1.0 | 205 6 2.3 5.1 18 486 6096 160 6 -2.1 5.6 | 182 10 0.4 9.8 19 467 6401 100 9 -8.9 1.6 | 131 9 -6.4 5.7 20 415 7315 75 8 -7.7 -2.1 | 111 6 -5.3 2.0 21 400 7590 130 12 -9.2 7.7 | 150 14 -6.8 11.8 22 398 7620 125 16 -13.1 9.2 | 141 17 -10.7 13.3 23 382 7925 105 7 -6.8 1.8 | 144 7 -4.3 5.9 24 367 8230 135 11 -7.8 7.8 | 156 13 -5.4 11.9 25 352 8534 155 17 -7.2 15.4 | 166 20 -4.8 19.5 26 337 8839 180 9 0.0 9.0 | 190 13 2.4 13.1 27 310 9449 160 8 -2.7 7.5 | 178 12 -0.3 11.6 28 300 9700 225 10 7.1 7.1 | 220 15 9.5 11.2 29 298 9754 220 9 5.8 6.9 | 217 14 8.2 11.0 30 273 10363 245 11 10.0 4.6 | 235 15 12.4 8.8 31 250 10970 250 22 20.7 7.5 | 243 26 23.1 11.6 32 228 11582 250 15 14.1 5.1 | 241 19 16.5 9.2 33 218 11887 250 9 8.5 3.1 | 237 13 10.9 7.2 34 200 12440 275 10 10.0 -0.9 | 255 13 12.4 3.2 35 198 12497 270 9 9.0 -0.0 | 250 12 11.4 4.1 36 189 12802 275 11 11.0 -1.0 | 257 14 13.4 3.2 37 150 14240 245 15 13.6 6.3 | 237 19 16.0 10.5 38 148 14326 250 14 13.2 4.8 | 240 18 15.6 8.9 39 133 14935 255 11 10.6 2.8 | 242 15 13.1 7.0 40 126 15240 220 5 3.2 3.8 | 215 10 5.6 7.9 41 120 15545 295 9 8.2 -3.8 | 268 11 10.6 0.3 42 113 15850 285 13 12.6 -3.4 | 267 15 15.0 0.8 43 108 16154 305 8 6.6 -4.6 | 273 9 9.0 -0.5 44 102 16459 290 3 2.8 -1.0 | 240 6 5.2 3.1 45 100 16570 175 11 -1.0 11.0 | 186 15 1.5 15.1 46 97 16764 180 10 0.0 10.0 | 190 14 2.4 14.1 47 88 17276 135 22 -15.6 15.6 | 146 24 -13.1 19.7 48 70 18550 120 10 -8.7 5.0 | 146 11 -6.2 9.1 49 50 20500 100 30 -29.5 5.2 | 109 29 -27.1 9.3 50 30 23600 80 45 -44.3 -7.8 | 85 42 -41.9 -3.7 51 20 26170 80 52 -51.2 -9.0 | 84 49 -48.8 -4.9 52 10 30690 355 24 2.1 -23.9 | 347 20 4.5 -19.8 Wind Parameters Mean winds (0-6000m): 0.5 at 6.4 knts Storm direction: 30.5 at 4.8 knts Shear (0-3000m) pos: 0.9 neg: 1.2 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 76.3 deg Storm rel helicity (0-3000m) pos: 17.1 neg: -16.8 tot: 0.3 m^2/s^2 ave: 0.1 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 0.6 10^-3/s Energy-Hel index: 0.09 Bulk Rich Number: 158.17 Bulk Shear: 8.99 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 ------------------------------------------------------------------------------- 500 271 5 243 9| 0.0 5.2 5.2| 4.3 -4.2 0.1 0.2 0.17| 12.3 2.1 1000 275 4 240 8| 0.0 1.3 1.3| 4.3 -8.1 -3.8 -3.8 -0.01| 9.0 -0.1 1500 266 3 233 7| 1.1 0.9 1.9| 7.9 -12.9 -5.0 -3.4 -0.03| 8.5 -0.3 2000 282 3 238 6| 0.8 0.9 1.7| 10.5 -12.9 -2.4 -1.2 0.08| 7.2 0.6 2500 297 3 246 6| 0.6 1.4 2.0| 13.2 -15.6 -2.4 -0.9 0.06| 7.0 0.4 3000 310 4 255 6| 0.9 1.2 2.0| 17.1 -16.8 0.3 0.1 0.10| 6.5 0.6 4000 331 5 271 5| 1.4 0.9 2.3| 23.5 -16.8 6.7 1.7 0.21| 5.6 1.2 5000 349 6 298 4| 1.5 0.8 2.3| 31.3 -17.1 14.2 2.8 0.25| 5.2 1.3 6000 1 6 314 3| 1.1 0.6 1.7| 62.1 -22.2 39.9 6.6 0.39| 6.6 2.5 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251202.12.gif