UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041612.upa.cvt Date: 1200Z 16 APR 25 Searching for U0674... Searching the city database file for: U0674 ... Date:1200Z 16 APR 25 Station: U0674 WMO ident: 20674 Latitude: 73.53 Longitude: 80.40 ------------------------------------------------------------------------------- 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 14 75 9 SFC 995 52 -13.5 -16.6 77 3.1 -14.1 75 9 260.0 260.2 259.3 262.9 1.05 2 961 318 -12.5 -17.0 69 4.5 -13.4 89 12 263.6 263.8 262.1 266.5 1.05 3 925 609 -13.3 -17.7 69 4.4 -14.2 105 15 265.7 265.9 263.6 268.6 1.03 4 887 928 -12.9 -17.1 71 4.2 -13.8 103 13 269.3 269.5 266.4 272.5 1.13 5 850 1252 -14.3 -19.3 66 5.0 -15.3 100 11 271.2 271.3 267.3 274.0 0.98 6 821 1515 -15.1 -23.1 50 8.0 -16.5 102 11 273.0 273.1 268.1 275.1 0.72 7 795 1757 -16.9 -26.9 42 10.0 -18.4 103 11 273.6 273.7 268.1 275.2 0.53 8 726 2432 -21.5 -30.5 44 9.0 -22.6 108 11 275.8 275.9 269.3 277.0 0.42 9 700 2699 -23.9 -33.9 39 10.0 -24.9 110 11 276.0 276.1 269.3 277.0 0.31 10 500 5050 -44.3 -50.3 51 6.0 -44.5 175 3 279.0 279.0 270.7 279.3 0.08 11 489 5199 -45.5 -51.5 51 6.0 -45.7 165 4 279.3 279.3 270.9 279.6 0.07 12 435 5972 -50.3 -56.3 49 6.0 -50.4 113 7 282.8 282.8 272.8 282.9 0.04 13 400 6520 -50.5 -56.5 49 6.0 -50.6 75 9 289.4 289.4 276.4 289.5 0.05 14 377 6907 -50.1 -56.1 49 6.0 -50.3 294.8 294.8 279.1 295.0 0.05 15 345 7488 -48.5 -55.5 44 7.0 -48.7 304.6 304.6 283.3 304.8 0.06 TRP WND Sounding variables and indices 1000-500 mb thick: 5036.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 51.10 % Est. max temperature: -2.06 C = 28.30 F Sfc-Lift cond lev (LCL): 946.29 mb = 435.25 m = 1427.95 ft T: -12.82 C 700-500 lapse rate: 8.68 C/km ThetaE index: 0.07 C Layer 700.0- 500.0 mb Conv cond level (CCL): 748.91 mb = 2200.71 m = 7220.10 ft Mean mixing ratio: 1.05 g/kg Conv temperature: 1.51 C = 34.72 F Cap Strength: 8.77 C Lifted Index: 9.65 C Risk: None Lifted Index @700 mb: 8.72 C Showalter Index: 4.43 C Risk: None Total Totals Index: 55.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.00 C Cross Totals Index: 25.00 C K Index: 0.70 Risk: None Sweat Index: 145.00 Risk: None Energy Index: 1.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.66 J/kg Max Up Vert Vel: 7.30 m/s Conv Inhibition (B-): 3015.28 J/kg Cap Strength: 9.66 C Lift Cond Lev (LCL): 881.34 mb = 976.93 m = 3205.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 141 at 6 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 ---------------------------------------------------------- 0 995 52 75 9 -8.7 -2.3 | 32 9 -4.6 -7.3 1 925 609 105 15 -14.5 3.9 | 84 10 -10.4 -1.1 2 850 1252 100 11 -10.8 1.9 | 65 7 -6.7 -3.1 3 700 2699 110 11 -10.3 3.8 | 79 6 -6.2 -1.2 4 500 5050 175 3 -0.3 3.0 | 298 4 3.8 -2.0 5 400 6520 75 9 -8.7 -2.3 | 32 9 -4.6 -7.3 Wind Parameters Mean winds (0-6000m): 110.6 at 8.6 knts Storm direction: 140.6 at 6.5 knts Shear (0-3000m) pos: 1.4 neg: 0.4 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 56.2 deg Storm rel helicity (0-3000m) pos: 24.8 neg: -6.1 tot: 18.7 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.50 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 10.36 Bulk Shear: 2.57 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 92 12 59 9| 7.8 0.0 7.8| 18.6 0.0 18.6 37.2 0.98| 7.9 7.8 1000 98 13 70 9| 3.9 1.1 5.0| 20.7 -4.2 16.5 16.5 0.60| 5.7 3.4 1500 99 12 69 9| 2.3 0.7 3.0| 21.3 -6.1 15.2 10.1 0.47| 4.4 2.1 2000 100 12 69 8| 1.8 0.6 2.4| 22.3 -6.1 16.2 8.1 0.49| 3.5 1.7 2500 102 12 70 8| 1.5 0.4 2.0| 23.3 -6.1 17.2 6.9 0.51| 2.9 1.5 3000 103 12 72 7| 1.4 0.4 1.7| 24.8 -6.1 18.7 6.2 0.50| 2.8 1.4 4000 108 11 74 6| 1.1 0.3 1.4| 26.1 -6.1 19.9 5.0 0.51| 2.8 1.4 5000 109 9 68 5| 0.9 0.2 1.1| 27.4 -6.1 21.2 4.2 0.50| 2.6 1.3 6000 111 9 64 4| 0.7 0.4 1.1| 28.8 -6.3 22.5 3.7 0.48| 2.8 1.4 Wrote GIF file: /home/apache/climate/data/raob//U0674/skewt/U0674.skewt.20250416.12.gif