UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025060212.upa.cvt Date: 1200Z 2 JUN 25 Searching for U3921... Searching the city database file for: U3921 ... Date:1200Z 2 JUN 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 2 SFC 990 91 28.0 8.0 28 20.0 15.9 160 9 302.0 303.3 289.5 322.3 6.81 2 978 200 28.8 6.8 25 22.0 15.7 164 10 303.9 305.1 289.7 323.0 6.34 3 925 694 24.6 2.6 24 22.0 12.3 185 17 304.5 305.4 288.6 319.7 4.99 4 860 1321 18.6 1.6 32 17.0 9.4 181 20 304.6 305.5 288.7 319.8 4.99 5 850 1421 17.6 1.6 34 16.0 8.9 180 21 304.6 305.5 288.7 320.0 5.05 6 706 2963 2.4 -2.3 71 4.7 0.1 190 23 304.4 305.2 288.2 318.4 4.58 7 700 3032 1.8 -2.6 73 4.4 -0.3 190 23 304.5 305.3 288.2 318.3 4.51 8 668 3408 -0.7 -3.9 79 3.2 -2.2 191 24 305.8 306.6 288.4 319.0 4.29 9 612 4101 -6.3 -12.3 62 6.0 -8.5 192 25 307.1 307.5 287.0 314.8 2.43 10 570 4655 -9.5 -13.7 71 4.2 -10.9 193 25 309.6 310.1 287.8 317.1 2.33 11 548 4958 -12.1 -18.1 61 6.0 -13.9 194 26 310.1 310.4 287.3 315.5 1.68 12 546 4986 -11.7 -17.7 61 6.0 -13.5 194 26 310.9 311.2 287.6 316.5 1.74 13 518 5390 -11.9 -15.1 77 3.2 -13.0 194 27 315.3 315.8 289.6 322.8 2.28 14 510 5509 -11.1 -13.9 80 2.8 -12.1 195 27 317.7 318.2 290.6 326.1 2.56 15 509 5524 -11.5 -14.2 80 2.7 -12.5 195 27 317.4 317.9 290.5 325.6 2.50 16 505 5585 -14.3 -17.4 77 3.1 -15.3 195 27 314.7 315.1 289.0 321.1 1.93 17 500 5660 -14.9 -18.5 74 3.6 -16.0 195 27 314.9 315.2 289.0 320.8 1.78 18 496 5721 -14.9 -18.7 73 3.8 -16.0 195 27 315.6 315.9 289.2 321.5 1.76 19 494 5751 -17.3 -21.8 68 4.5 -18.4 194 27 313.0 313.3 287.9 317.5 1.35 20 485 5888 -18.9 -24.9 59 6.0 -20.3 194 27 312.7 312.9 287.5 316.2 1.05 21 481 5950 -19.3 -26.3 54 7.0 -20.8 193 27 313.0 313.1 287.5 316.1 0.93 22 455 6362 -19.5 -23.5 71 4.0 -20.5 191 27 317.7 318.0 289.3 322.0 1.26 23 436 6676 -23.7 -27.0 74 3.3 -24.4 189 27 316.3 316.5 288.6 319.6 0.96 24 400 7300 -27.7 -30.6 76 2.9 -28.2 185 27 319.0 319.1 289.2 321.6 0.75 25 384 7593 -29.3 -32.4 74 3.1 -29.7 320.6 320.8 289.6 323.0 0.66 TRP WND Sounding variables and indices 1000-500 mb thick: 5658.00 m Freezing level: 676.96 mb = 3302.75 m = 10835.65 ft Wetbulb zero: 704.00 mb = 2986.03 m = 9796.57 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 55.89 % Est. max temperature: 30.57 C = 87.03 F Sfc-Lift cond lev (LCL): 738.21 mb = 2592.44 m = 8505.26 ft T: 6.05 C 700-500 lapse rate: 6.35 C/km ThetaE index: 3.34 C Layer 925.0- 860.0 mb Conv cond level (CCL): 671.00 mb = 3372.03 m = 11062.95 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 31.62 C = 88.92 F Cap Strength: 3.70 C Lifted Index: 1.02 C Risk: Showers probable Lifted Index @700 mb: 0.29 C Showalter Index: 1.49 C Risk: Showers probable Total Totals Index: 49.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.50 C Cross Totals Index: 16.50 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 88.20 Risk: None Energy Index: 0.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.40 J/kg Max Up Vert Vel: 8.99 m/s Conv Inhibition (B-): 39.08 J/kg Cap Strength: 2.70 C Lift Cond Lev (LCL): 685.04 mb = 3205.63 m = 10517.04 ft Lev Free Conv (LFC): 640.04 mb = 3746.55 m = 12291.67 ft Equ Level (EL): 540.04 mb = 5070.08 m = 16633.91 ft B at Equ Level: 31.02 J/kg Max Parcel Lev (MPL): 500.04 mb = 5659.42 m = 18567.44 ft Wind level data Storm motion: 219 at 17 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 ---------------------------------------------------------- 0 990 91 160 9 -3.1 8.5 | 71 15 -13.7 -4.7 1 925 694 185 17 1.5 16.9 | 112 10 -9.2 3.8 2 850 1421 180 21 0.0 21.0 | 126 13 -10.7 7.9 3 700 3032 190 23 4.0 22.7 | 145 12 -6.7 9.5 4 500 5660 195 27 7.0 26.1 | 164 13 -3.7 12.9 5 400 7300 185 27 2.4 26.9 | 149 16 -8.3 13.7 Wind Parameters Mean winds (0-6000m): 189.0 at 22.6 knts Storm direction: 219.0 at 16.9 knts Shear (0-3000m) pos: 2.5 neg: 0.4 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 74.3 deg Storm rel helicity (0-3000m) pos: 49.7 neg: 0.0 tot: 49.7 m^2/s^2 ave: 16.6 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 3.2 stream: 2.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.48 Bulk Shear: 16.28 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 ------------------------------------------------------------------------------- 500 175 12 86 12| 8.1 0.0 8.1| 23.6 0.0 23.6 47.3 0.88| 8.3 7.3 1000 180 15 100 11| 5.9 0.0 5.9| 32.8 0.0 32.8 32.8 0.85| 6.3 5.3 1500 180 17 109 11| 3.9 0.7 4.6| 37.7 0.0 37.7 25.1 0.82| 5.0 4.1 2000 181 18 115 11| 3.2 0.5 3.7| 41.8 0.0 41.8 20.9 0.83| 4.1 3.4 2500 182 19 120 11| 2.7 0.4 3.2| 45.9 0.0 45.9 18.4 0.83| 3.5 2.9 3000 184 20 124 11| 2.5 0.4 2.8| 49.7 0.0 49.7 16.6 0.84| 3.2 2.7 4000 186 21 131 11| 2.1 0.3 2.3| 54.8 0.0 54.8 13.7 0.85| 2.6 2.2 5000 188 22 137 11| 1.8 0.2 2.0| 60.1 0.0 60.1 12.0 0.85| 2.3 1.9 6000 189 23 142 12| 1.6 0.2 1.8| 62.9 -3.6 59.3 9.9 0.77| 2.1 1.6 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250602.12.gif