UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101900.upa.cvt Date: 0000Z 19 OCT 25 Searching for VI399... Searching the city database file for: VI399 ... Date:0000Z 19 OCT 25 Station: VI399 WMO ident: 42399 Latitude: 26.53 Longitude: 88.72 ------------------------------------------------------------------------------- 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 1000 90 24.4 23.2 93 1.2 23.6 0 0 297.5 300.8 296.7 350.3 18.19 1 925 767 22.6 19.4 82 3.2 20.4 305 2 302.4 305.3 296.3 348.3 15.51 2 850 1499 18.0 13.9 77 4.1 15.3 320 2 305.0 307.2 294.4 340.4 11.83 3 700 3134 8.0 -2.0 49 10.0 2.9 290 8 311.3 312.2 290.6 326.1 4.72 4 500 5820 -8.9 -25.9 24 17.0 -13.5 255 23 322.2 322.4 290.4 325.4 0.93 5 400 7520 -18.3 -62.3 1 44.0 -22.5 250 31 331.2 331.2 292.0 331.3 0.02 6 300 9610 -31.7 -70.7 1 39.0 -33.7 250 44 340.7 340.7 294.5 340.7 0.01 7 250 10870 -41.1 -77.1 1 36.0 -42.1 255 50 345.0 345.0 295.5 345.0 0.00 8 200 12360 -51.7 -84.7 1 33.0 -52.1 260 51 350.9 350.9 296.8 350.9 0.00 9 150 14170 -63.3 -92.3 1 29.0 -63.4 260 38 361.0 361.0 298.9 361.0 0.00 10 115 15769 -71.9 -98.9 1 27.0 -71.9 270 35 373.6 373.6 301.2 373.6 0.00 11 100 16590 -73.1 -99.1 1 26.0 -73.2 265 18 386.5 386.5 303.3 386.5 0.00 TRP 115 15769 -71.9 -98.9 1 27.0 -71.9 270 35 373.6 373.6 301.2 373.6 0.00 WND Sounding variables and indices 1000-500 mb thick: 5730.42 m Freezing level: 605.33 mb = 4405.48 m = 14453.50 ft Wetbulb zero: 664.76 mb = 3546.36 m = 11634.90 ft Precipitable water: 1.63 inches Sfc-500 mean rel hum: 54.95 % Est. max temperature: 31.85 C = 89.33 F Sfc-Lift cond lev (LCL): 983.08 mb = 237.86 m = 780.37 ft T: 24.01 C 700-500 lapse rate: 6.29 C/km ThetaE index: 24.86 C Layer 925.0- 400.0 mb Conv cond level (CCL): 869.63 mb = 1301.36 m = 4269.52 ft Mean mixing ratio: 16.33 g/kg Conv temperature: 31.16 C = 88.09 F Cap Strength: 1.95 C Lifted Index: -5.52 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -2.66 C Lifted Index @700 mb: -2.24 C Showalter Index: -2.24 C Risk: Severe thunderstorms possible Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 22.80 C K Index: 30.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 207.80 Risk: None Energy Index: -2.92 Risk: Severe Thunderstorms probable Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1223.77 J/kg Max Up Vert Vel: 49.47 m/s Conv Inhibition (B-): 35.55 J/kg Cap Strength: 1.95 C Lift Cond Lev (LCL): 915.76 mb = 853.88 m = 2801.41 ft Lev Free Conv (LFC): 810.76 mb = 1896.98 m = 6223.62 ft Equ Level (EL): 220.76 mb = 11700.45 m = 38386.84 ft B at Equ Level: 1218.63 J/kg Max Parcel Lev (MPL): 110.76 mb = 15989.45 m = 52458.17 ft Wind level data Storm motion: 304 at 6 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 1000 90 0 0 -0.0 -0.0 | 124 6 -4.9 3.4 1 1000 78 0 0 -0.0 -0.0 | 124 6 -4.9 3.4 2 975 305 85 4 -4.0 -0.3 | 109 9 -8.9 3.0 3 942 610 10 1 -0.2 -1.0 | 115 6 -5.1 2.4 4 925 767 305 2 1.6 -1.1 | 124 4 -3.3 2.2 5 909 914 290 2 1.9 -0.7 | 131 4 -3.1 2.7 6 878 1219 280 2 2.0 -0.3 | 136 4 -3.0 3.0 7 850 1499 320 2 1.3 -1.5 | 117 4 -3.7 1.9 8 817 1829 300 5 4.3 -2.5 | 145 1 -0.6 0.9 9 788 2134 280 8 7.9 -1.4 | 236 4 2.9 2.0 10 760 2438 275 10 10.0 -0.9 | 243 6 5.0 2.5 11 733 2743 280 9 8.9 -1.6 | 245 4 3.9 1.8 12 707 3048 285 9 8.7 -2.3 | 254 4 3.7 1.1 13 700 3134 290 8 7.5 -2.7 | 256 3 2.6 0.6 14 656 3658 300 3 2.6 -1.5 | 129 3 -2.3 1.9 15 631 3962 115 3 -2.7 1.3 | 121 9 -7.7 4.7 16 607 4267 120 4 -3.5 2.0 | 123 10 -8.4 5.4 17 585 4572 305 3 2.5 -1.7 | 124 3 -2.5 1.7 18 563 4877 295 12 10.9 -5.1 | 286 6 5.9 -1.7 19 521 5486 265 21 20.9 1.8 | 252 17 16.0 5.2 20 500 5820 255 23 22.2 6.0 | 242 20 17.3 9.3 21 482 6096 250 23 21.6 7.9 | 236 20 16.7 11.3 22 400 7520 250 31 29.1 10.6 | 240 28 24.2 14.0 23 395 7620 245 31 28.1 13.1 | 235 28 23.2 16.5 24 320 9144 250 41 38.5 14.0 | 243 38 33.6 17.4 25 300 9610 250 44 41.3 15.0 | 243 41 36.4 18.4 26 257 10668 260 51 50.2 8.9 | 255 47 45.3 12.2 27 250 10870 255 50 48.3 12.9 | 249 46 43.4 16.3 28 205 12192 260 54 53.2 9.4 | 255 50 48.2 12.8 29 200 12360 260 51 50.2 8.9 | 255 47 45.3 12.2 30 161 13716 260 43 42.3 7.5 | 254 39 37.4 10.9 31 150 14170 260 38 37.4 6.6 | 253 34 32.5 10.0 32 126 15240 255 35 33.8 9.1 | 247 31 28.9 12.4 33 115 15769 270 35 35.0 -0.0 | 264 30 30.1 3.4 34 100 16590 265 18 17.9 1.6 | 249 14 13.0 5.0 35 72 18288 265 8 8.0 0.7 | 217 5 3.0 4.1 36 40 21336 135 4 -2.8 2.8 | 129 10 -7.8 6.2 37 23 24384 45 11 -7.8 -7.8 | 71 13 -12.7 -4.4 38 13 27432 60 9 -7.8 -4.5 | 85 13 -12.7 -1.1 Wind Parameters Mean winds (0-6000m): 274.4 at 8.0 knts Storm direction: 304.4 at 6.0 knts Shear (0-3000m) pos: 0.7 neg: 1.7 tot: 2.4 10-3/s Storm rel Dir Shear (0-3000m): 132.6 deg Storm rel helicity (0-3000m) pos: 6.2 neg: -5.2 tot: 1.0 m^2/s^2 ave: 0.3 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 0.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 87.67 Bulk Shear: 13.96 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 75 2 111 8| 1.0 0.0 1.0| 1.6 -3.7 -2.1 -4.3 -0.14| 8.3 -1.2 1000 27 2 104 6| 0.5 1.2 1.7| 3.4 -3.7 -0.3 -0.3 0.04| 5.5 0.2 1500 335 2 110 4| 0.8 0.8 1.6| 3.5 -5.2 -1.7 -1.1 -0.07| 4.5 -0.3 2000 308 3 121 3| 0.6 2.0 2.6| 4.5 -5.2 -0.7 -0.3 0.11| 4.8 0.5 2500 290 4 151 2| 0.5 2.0 2.5| 5.3 -5.2 0.1 0.1 0.13| 4.5 0.6 3000 287 5 175 2| 0.7 1.7 2.4| 6.2 -5.2 1.0 0.3 0.15| 4.1 0.6 4000 288 5 170 2| 1.6 1.3 2.9| 13.7 -8.5 5.2 1.3 0.05| 4.9 0.2 5000 289 5 182 2| 1.3 2.8 4.1| 15.9 -22.2 -6.2 -1.2 0.03| 6.5 0.2 6000 274 8 227 4| 1.1 3.0 4.1| 15.9 -64.6 -48.6 -8.1 -0.10| 6.7 -0.7 Wrote GIF file: /home/apache/climate/data/raob//VI399/skewt/VI399.skewt.20251019.00.gif