UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101311.upa.cvt Date: 1100Z 13 OCT 25 Searching for VO371... Searching the city database file for: VO371 ... Date:1100Z 13 OCT 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 49 290 2 SFC 997 76 27.8 24.3 81 3.5 25.2 290 2 301.2 304.8 298.5 358.8 19.53 2 925 741 24.2 19.2 74 5.0 20.6 310 14 304.1 306.9 296.5 349.6 15.31 3 850 1471 19.8 15.9 78 3.9 17.1 5 10 306.9 309.4 296.1 347.5 13.49 4 700 3113 10.0 6.9 81 3.1 8.1 60 9 313.6 315.3 294.7 341.4 8.96 5 500 5850 -4.1 -13.1 50 9.0 -7.8 90 18 328.0 328.6 293.7 337.6 2.79 6 400 7570 -14.7 -26.7 35 12.0 -17.9 80 15 335.9 336.1 294.3 339.8 1.08 7 300 9690 -29.3 -33.0 70 3.7 -30.0 105 17 344.1 344.3 296.0 347.1 0.79 8 250 10970 -39.1 -59.1 10 20.0 -40.2 120 26 347.9 347.9 296.2 348.2 0.05 9 200 12450 -52.1 -58.1 48 6.0 -52.3 100 16 350.3 350.3 296.8 350.6 0.07 10 150 14250 -67.9 -73.9 42 6.0 -67.9 110 21 353.1 353.1 297.3 353.2 0.01 11 104 16371 -82.9 -87.3 46 4.4 -82.9 95 48 363.5 363.5 299.4 363.5 0.00 12 100 16590 -81.9 -86.2 48 4.3 -81.9 110 48 369.5 369.5 300.5 369.5 0.00 TRP 104 16371 -82.9 -87.3 46 4.4 -82.9 95 48 363.5 363.5 299.4 363.5 0.00 WND Sounding variables and indices 1000-500 mb thick: 5801.00 m Freezing level: 558.16 mb = 5054.13 m = 16581.61 ft Wetbulb zero: 598.28 mb = 4390.26 m = 14403.56 ft Precipitable water: 2.17 inches Sfc-500 mean rel hum: 71.94 % Est. max temperature: 33.60 C = 92.48 F Sfc-Lift cond lev (LCL): 948.11 mb = 521.98 m = 1712.53 ft T: 25.39 C 700-500 lapse rate: 5.15 C/km ThetaE index: 21.27 C Layer 925.0- 400.0 mb Conv cond level (CCL): 836.08 mb = 1610.60 m = 5284.07 ft Mean mixing ratio: 16.71 g/kg Conv temperature: 34.05 C = 93.29 F Cap Strength: 2.14 C Lifted Index: -2.13 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.43 C Lifted Index @700 mb: -1.33 C Showalter Index: -0.25 C Risk: Thunderstorms probable Total Totals Index: 43.90 C Risk: None Vertical Totals Index: 23.90 C Cross Totals Index: 20.00 C K Index: 36.70 Risk: > 80 % chance of thunderstorms Sweat Index: 228.80 Risk: None Energy Index: -1.94 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 843.12 J/kg Max Up Vert Vel: 41.06 m/s Conv Inhibition (B-): 58.19 J/kg Cap Strength: 2.14 C Lift Cond Lev (LCL): 888.60 mb = 1087.59 m = 3568.18 ft Lev Free Conv (LFC): 763.60 mb = 2377.54 m = 7800.23 ft Equ Level (EL): 153.60 mb = 14101.61 m = 46264.57 ft B at Equ Level: 839.55 J/kg Wind level data Storm motion: 85 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 ---------------------------------------------------------- 0 997 76 290 2 1.9 -0.7 | 270 11 10.7 0.1 1 925 741 310 14 10.7 -9.0 | 293 21 19.6 -8.2 2 850 1471 5 10 -0.9 -10.0 | 319 12 8.0 -9.2 3 700 3113 60 9 -7.8 -4.5 | 344 4 1.0 -3.7 4 500 5850 90 18 -18.0 0.0 | 95 9 -9.2 0.8 5 400 7570 80 15 -14.8 -2.6 | 73 6 -5.9 -1.8 6 300 9690 105 17 -16.4 4.4 | 124 9 -7.6 5.2 7 250 10970 120 26 -22.5 13.0 | 135 19 -13.7 13.8 8 200 12450 100 16 -15.8 2.8 | 117 8 -6.9 3.5 9 150 14250 110 21 -19.7 7.2 | 126 13 -10.9 7.9 10 104 16371 95 48 -47.8 4.2 | 97 39 -39.0 4.9 11 100 16590 110 48 -45.1 16.4 | 115 40 -36.3 17.2 Wind Parameters Mean winds (0-6000m): 55.0 at 11.8 knts Storm direction: 85.0 at 8.9 knts Shear (0-3000m) pos: 1.8 neg: 0.0 tot: 1.8 10-3/s Storm rel Dir Shear (0-3000m): 74.5 deg Storm rel helicity (0-3000m) pos: 73.4 neg: 0.0 tot: 73.4 m^2/s^2 ave: 24.5 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.1 10^-3/s Energy-Hel index: 0.37 Bulk Rich Number: 27.97 Bulk Shear: 30.15 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 ------------------------------------------------------------------------------- 500 307 6 283 14| 9.4 0.0 9.4| 18.0 0.0 18.0 35.9 0.49| 9.5 4.7 1000 314 10 291 17| 5.6 0.0 5.6| 51.5 0.0 51.5 51.5 0.62| 9.2 5.7 1500 326 10 297 16| 3.3 0.0 3.3| 65.8 0.0 65.8 43.9 0.60| 8.5 5.0 2000 338 10 304 15| 2.6 0.0 2.6| 70.1 0.0 70.1 35.0 0.59| 7.1 4.2 2500 349 10 310 14| 2.1 0.0 2.1| 72.4 0.0 72.4 29.0 0.57| 6.2 3.6 3000 358 10 315 13| 1.8 0.0 1.8| 73.4 0.0 73.4 24.5 0.54| 5.7 3.1 4000 18 10 326 10| 1.8 0.0 1.8| 77.1 0.0 77.1 19.3 0.59| 4.7 2.8 5000 38 11 344 8| 1.8 0.0 1.8| 81.9 0.0 81.9 16.4 0.61| 4.2 2.6 6000 55 12 8 6| 1.7 0.0 1.7| 86.9 -0.8 86.1 14.3 0.60| 3.9 2.3 Wrote GIF file: /home/apache/climate/data/raob//VO371/skewt/VO371.skewt.20251013.11.gif