UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for OIII... Searching the city database file for: OIII ... Date:1200Z 28 APR 25 Station: OIII WMO ident: 40754 Latitude: 35.68 Longitude: 51.35 Elevation: 1191.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 12 1 925 724 SFC 878 1191 32.6 -3.4 10 36.0 13.0 240 4 317.3 318.0 291.2 328.3 3.38 3 850 1483 28.4 -0.6 15 29.0 12.2 195 3 315.9 316.7 291.6 329.7 4.30 4 724 2871 15.0 -4.0 27 19.0 5.3 203 9 316.0 316.8 291.3 328.7 3.93 5 701 3143 12.6 -9.4 21 22.0 2.5 205 10 316.3 316.8 290.3 325.1 2.67 6 700 3155 12.6 -9.4 21 22.0 2.5 205 10 316.4 317.0 290.3 325.2 2.68 7 526 5460 -9.1 -14.0 68 4.9 -10.9 209 26 317.3 317.8 290.4 325.4 2.46 8 500 5850 -12.1 -19.1 56 7.0 -14.3 210 29 318.3 318.6 290.0 324.0 1.69 9 481 6145 -14.1 -26.1 35 12.0 -17.0 319.4 319.6 289.6 322.7 0.95 10 464 6417 -16.7 319.4 TRP WND Sounding variables and indices 1000-500 mb thick: 5838.00 m Freezing level: 598.97 mb = 4493.17 m = 14741.20 ft Wetbulb zero: 667.07 mb = 3543.57 m = 11625.74 ft Precipitable water: 0.49 inches Sfc-500 mean rel hum: 35.99 % Est. max temperature: 31.35 C = 88.42 F Sfc-Lift cond lev (LCL): 517.66 mb = 5582.76 m = 18315.92 ft T: -10.05 C 700-500 lapse rate: 9.17 C/km ThetaE index: 4.63 C Layer 724.0- 700.0 mb Conv cond level (CCL): 538.40 mb = 5271.66 m = 17295.25 ft Mean mixing ratio: 4.10 g/kg Conv temperature: 32.58 C = 90.64 F Cap Strength: 0.98 C Lifted Index: -0.52 C Risk: Thunderstorms probable Lifted Index @700 mb: 0.26 C Showalter Index: -0.69 C Risk: Thunderstorms probable Total Totals Index: 52.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 40.50 C Cross Totals Index: 11.50 C K Index: 17.90 Risk: < 20 % chance of thunderstorms Sweat Index: 95.00 Risk: None Energy Index: -1.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.56 J/kg Max Up Vert Vel: 7.29 m/s Conv Inhibition (B-): 53.37 J/kg Cap Strength: 1.15 C Lift Cond Lev (LCL): 546.77 mb = 5147.27 m = 16887.18 ft Lev Free Conv (LFC): 521.77 mb = 5521.76 m = 18115.80 ft Wind level data Storm motion: 238 at 11 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 ---------------------------------------------------------- 0 878 1191 240 4 3.5 2.0 | 57 7 -5.5 -3.6 1 850 1483 195 3 0.8 2.9 | 72 9 -8.2 -2.7 2 700 3155 205 10 4.2 9.1 | 126 6 -4.7 3.4 3 500 5850 210 29 14.5 25.1 | 196 20 5.5 19.5 Wind Parameters Mean winds (0-6000m): 207.9 at 14.1 knts Storm direction: 237.9 at 10.6 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 116.8 deg Storm rel helicity (0-3000m) pos: 26.6 neg: 0.0 tot: 26.6 m^2/s^2 ave: 8.9 10^-3 m/s^2 rel: 0.82 Storm rel vorticity (0-3000m) horiz: 3.0 stream: 2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.78 Bulk Shear: 14.94 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 ------------------------------------------------------------------------------- 500 210 3 70 8| 0.0 3.0 3.0| 5.1 0.0 5.1 10.3 0.69| 3.9 2.7 1000 203 4 76 8| 1.1 1.5 2.6| 8.7 0.0 8.7 8.7 0.75| 3.0 2.3 1500 203 5 83 7| 1.4 1.0 2.5| 12.1 0.0 12.1 8.1 0.79| 2.7 2.2 2000 204 6 90 6| 1.7 0.8 2.4| 15.6 0.0 15.6 7.8 0.84| 2.6 2.2 2500 205 7 99 6| 2.1 0.6 2.7| 21.1 0.0 21.1 8.4 0.85| 2.8 2.4 3000 205 9 113 6| 2.3 0.5 2.8| 26.6 0.0 26.6 8.9 0.82| 3.0 2.4 4000 207 12 144 6| 2.6 0.4 3.0| 38.6 0.0 38.6 9.7 0.73| 3.1 2.3 5000 NO DATA | 2.8 0.3 3.1| | 6000 NO DATA | 2.8 0.3 3.1| | Wrote GIF file: /home/apache/climate/data/raob//OIII/skewt/OIII.skewt.20250428.12.gif