UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120400.upa.cvt Date: 0000Z 4 DEC 25 Searching for KREV... Searching the city database file for: KREV ... Date:0000Z 4 DEC 25 Station: KREV WMO ident: 72489 Latitude: 39.57 Longitude: -119.78 Elevation: 1516.00 ------------------------------------------------------------------------------- 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 190 1 925 842 SFC 852 1516 5.0 -4.0 52 9.0 1.1 155 6 291.2 291.8 281.7 301.0 3.33 3 850 1538 4.8 -4.2 52 9.0 1.0 75 26 291.2 291.8 281.7 300.8 3.29 4 700 3090 -3.7 -30.7 10 27.0 -9.5 55 15 298.4 298.5 281.3 299.8 0.42 5 680 3318 -4.5 -45.5 2 41.0 -10.8 51 19 300.0 300.0 281.5 300.3 0.10 6 669 3447 -4.7 -52.7 1 48.0 -11.1 46 21 301.2 301.2 281.9 301.3 0.04 7 656 3601 -5.3 -46.3 2 41.0 -11.5 39 21 302.2 302.2 282.4 302.5 0.09 8 637 3831 -6.3 -53.3 1 47.0 -12.4 28 21 303.6 303.6 282.9 303.7 0.04 9 624 3992 -6.1 -53.1 1 47.0 -12.3 20 19 305.6 305.6 283.7 305.8 0.04 10 620 4043 -5.9 -52.9 1 47.0 -12.2 18 21 306.4 306.4 284.0 306.6 0.05 11 550 4972 -10.5 -18.5 52 8.0 -12.9 349 43 311.6 311.9 287.8 316.9 1.62 12 537 5156 -11.7 343 39 312.3 TRP WND Sounding variables and indices Freezing level: 765.29 mb = 2414.42 m = 7921.24 ft Wetbulb zero: 836.31 mb = 1667.80 m = 5471.71 ft Precipitable water: 0.14 inches Sfc-500 mean rel hum: 22.10 % Est. max temperature: 11.78 C = 53.20 F Sfc-Lift cond lev (LCL): 741.31 mb = 2631.69 m = 8634.04 ft T: -1.19 C ThetaE index: 1.17 C Layer 850.0- 680.0 mb Conv cond level (CCL): None Cap Strength: 12.98 C Lifted Index @700 mb: 4.49 C Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.65 J/kg Max Up Vert Vel: 1.82 m/s Conv Inhibition (B-): 736.50 J/kg Cap Strength: 12.80 C Lift Cond Lev (LCL): 656.81 mb = 3591.21 m = 11782.03 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 60 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 ---------------------------------------------------------- 0 852 1516 155 6 -2.5 5.4 | 222 20 13.1 14.6 1 850 1538 75 26 -25.1 -6.7 | 105 10 -9.5 2.5 2 820 1829 75 26 -25.1 -6.7 | 105 10 -9.5 2.5 3 789 2134 65 19 -17.2 -8.0 | 126 2 -1.6 1.2 4 759 2438 75 16 -15.5 -4.1 | 182 5 0.2 5.1 5 731 2743 75 14 -13.5 -3.6 | 201 6 2.1 5.6 6 704 3048 50 15 -11.5 -9.6 | 276 4 4.1 -0.4 7 700 3090 55 15 -12.3 -8.6 | 260 3 3.3 0.6 8 676 3353 50 20 -15.3 -12.9 | 355 4 0.3 -3.7 9 649 3658 35 22 -12.6 -18.0 | 341 9 3.0 -8.8 10 623 3962 20 19 -6.5 -17.9 | 313 13 9.1 -8.6 11 598 4267 5 32 -2.8 -31.9 | 330 26 12.8 -22.7 12 575 4572 5 32 -2.8 -31.9 | 330 26 12.8 -22.7 13 552 4877 350 43 7.5 -42.3 | 325 40 23.1 -33.1 14 530 5182 340 37 12.7 -34.8 | 312 38 28.3 -25.6 Wind Parameters Mean winds (0-6000m): 29.5 at 24.2 knts Storm direction: 59.5 at 18.1 knts Shear (0-3000m) pos: 1.1 neg: 7.1 tot: 8.2 10-3/s Storm rel Dir Shear (0-3000m): 108.7 deg Storm rel helicity (0-3000m) pos: 32.3 neg: -60.1 tot: -27.8 m^2/s^2 ave: -9.3 10^-3 m/s^2 rel: -0.21 Storm rel vorticity (0-3000m) horiz: 14.1 stream: -2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.04 Bulk Shear: 46.07 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 74 25 107 9| 0.0 22.8 22.8| 0.4 -45.4 -45.0 -90.1 -0.82| 37.7-30.8 1000 72 21 120 5| 3.4 11.4 14.7| 4.3 -45.4 -41.1 -41.1 -0.57| 22.8-13.0 1500 72 19 142 4| 2.2 8.0 10.3| 11.2 -45.4 -34.2 -22.8 -0.38| 17.6 -6.6 2000 66 19 135 2| 1.7 7.7 9.4| 13.9 -46.2 -32.3 -16.2 -0.26| 15.4 -4.1 2500 58 19 37 1| 1.3 6.4 7.7| 16.5 -60.1 -43.6 -17.4 -0.29| 14.4 -4.2 3000 46 21 354 5| 1.1 7.1 8.2| 32.3 -60.1 -27.8 -9.3 -0.21| 14.1 -2.9 4000 NO DATA | 1.0 7.2 8.1| | 5000 NO DATA | 1.0 7.2 8.1| | 6000 NO DATA | 1.0 7.2 8.1| | Wrote GIF file: /home/apache/climate/data/raob//KREV/skewt/KREV.skewt.20251204.00.gif