UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041912.upa.cvt Date: 1200Z 19 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 19 APR 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 144 SFC 989 240 23.8 5.8 31 18.0 13.6 200 5 297.9 299.0 287.1 315.1 5.85 2 967 435 21.2 2.2 28 19.0 11.1 203 8 297.2 298.0 285.7 310.9 4.63 3 925 817 19.0 2.0 32 17.0 10.0 210 15 298.7 299.6 286.4 313.0 4.78 4 916 900 16.0 1.0 36 15.0 8.3 212 16 296.5 297.3 285.2 309.8 4.49 5 850 1528 9.0 -2.0 46 11.0 3.8 230 27 295.6 296.3 284.2 307.1 3.88 6 835 1675 7.8 -2.2 49 10.0 3.1 228 26 295.8 296.5 284.3 307.4 3.89 7 777 2265 4.2 -4.8 52 9.0 0.3 221 22 298.1 298.7 284.7 308.5 3.44 8 756 2487 3.4 -6.6 48 10.0 -0.9 218 21 299.6 300.1 284.9 309.0 3.08 9 710 2992 -2.1 -22.1 20 20.0 -7.6 211 18 298.9 299.1 282.1 301.9 0.92 10 700 3104 -3.7 -25.7 16 22.0 -9.1 210 17 298.4 298.5 281.5 300.6 0.67 11 690 3215 -5.9 -33.9 9 28.0 -11.2 207 18 297.2 297.2 280.6 298.2 0.32 12 521 5290 -28.7 -37.7 42 9.0 -29.6 144 31 294.6 294.6 279.3 295.5 0.29 13 500 5580 -29.5 -39.5 37 10.0 -30.4 135 33 297.1 297.1 280.4 297.9 0.25 14 437 6533 -34.5 -46.5 29 12.0 -35.3 120 32 302.4 302.4 282.5 302.9 0.13 15 400 7150 -36.5 -49.5 25 13.0 -37.2 110 31 307.6 307.6 284.5 307.9 0.10 16 334 8388 -41.1 -57.1 16 16.0 -41.8 107 27 317.5 317.5 288.0 317.7 0.05 17 300 9110 -46.5 -63.5 13 17.0 -46.9 105 25 319.8 319.8 288.7 319.9 0.02 18 295 9221 -47.7 -63.7 14 16.0 -48.1 319.7 319.7 288.6 319.8 0.02 TRP WND Sounding variables and indices 1000-500 mb thick: 5436.00 m Freezing level: 727.56 mb = 2799.02 m = 9183.04 ft Wetbulb zero: 772.21 mb = 2314.99 m = 7595.01 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 33.08 % Est. max temperature: 21.67 C = 71.01 F Sfc-Lift cond lev (LCL): 757.58 mb = 2470.36 m = 8104.77 ft T: 3.46 C 700-500 lapse rate: 10.42 C/km ThetaE index: 13.45 C Layer 710.0- 500.0 mb Conv cond level (CCL): 712.52 mb = 2963.14 m = 9721.47 ft Mean mixing ratio: 4.72 g/kg Conv temperature: 24.89 C = 76.81 F Cap Strength: 1.68 C Lifted Index: -8.05 C Risk: Severe thunderstorms probable Lifted Index @300 mb: 6.24 C Lifted Index @700 mb: -0.26 C Showalter Index: -5.32 C Risk: Severe thunderstorms possible Total Totals Index: 66.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 38.50 C Cross Totals Index: 27.50 C K Index: 14.50 Risk: None Sweat Index: 427.00 Risk: Severe Thunderstorms possible Energy Index: -1.97 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 969.10 J/kg Max Up Vert Vel: 44.02 m/s Conv Inhibition (B-): 48.38 J/kg Cap Strength: 2.03 C Lift Cond Lev (LCL): 728.87 mb = 2780.91 m = 9123.60 ft Lev Free Conv (LFC): 693.87 mb = 3172.06 m = 10406.90 ft Equ Level (EL): 373.87 mb = 7614.04 m = 24980.15 ft B at Equ Level: 962.69 J/kg Wind level data Storm motion: 208 at 18 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 ---------------------------------------------------------- 0 989 240 200 5 1.7 4.7 | 32 13 -6.6 -10.7 1 925 817 210 15 7.5 13.0 | 19 3 -0.9 -2.4 2 850 1528 230 27 20.7 17.4 | 261 12 12.3 2.0 3 700 3104 210 17 8.5 14.7 | 348 1 0.1 -0.7 4 500 5580 135 33 -23.3 23.3 | 104 33 -31.7 7.9 5 400 7150 110 31 -29.1 10.6 | 83 38 -37.5 -4.8 6 300 9110 105 25 -24.1 6.5 | 75 34 -32.5 -8.9 Wind Parameters Mean winds (0-6000m): 178.5 at 23.4 knts Storm direction: 208.5 at 17.5 knts Shear (0-3000m) pos: 3.7 neg: 1.9 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 109.3 deg Storm rel helicity (0-3000m) pos: 2.1 neg: -6.3 tot: -4.3 m^2/s^2 ave: -1.4 10^-3 m/s^2 rel: -0.08 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -0.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 29.24 Bulk Shear: 33.14 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 ------------------------------------------------------------------------------- 500 207 9 30 8| 9.0 0.0 9.0| 0.7 -0.7 0.1 0.1 -0.03| 9.0 -0.2 1000 213 14 13 4| 9.1 0.0 9.1| 0.7 -3.9 -3.2 -3.2 -0.30| 9.5 -2.8 1500 221 18 304 4| 7.3 0.0 7.3| 1.4 -5.2 -3.8 -2.5 -0.22| 8.9 -2.0 2000 222 19 284 5| 5.5 1.1 6.6| 1.4 -6.3 -4.9 -2.4 -0.21| 7.8 -1.6 2500 222 20 279 5| 4.4 1.7 6.0| 1.6 -6.3 -4.7 -1.9 -0.18| 7.0 -1.2 3000 220 19 279 4| 3.7 1.9 5.6| 2.1 -6.3 -4.3 -1.4 -0.08| 6.6 -0.5 4000 212 20 236 3| 2.7 2.8 5.6| 2.1 -11.6 -9.5 -2.4 -0.10| 6.6 -0.6 5000 196 21 155 6| 2.2 3.8 6.0| 2.1 -52.2 -50.1 -10.0 -0.18| 6.9 -1.3 6000 178 23 132 12| 1.8 3.9 5.7| 2.1-131.2-129.1 -21.5 -0.27| 6.8 -1.8 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250419.12.gif