UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041718.upa.cvt Date: 1800Z 17 APR 25 Searching for KSTA... Searching the city database file for: KSTA ... Date:1800Z 17 APR 25 Station: KSTA WMO ident: 69990 Latitude: 38.97 Longitude: -77.49 Elevation: 87.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1014 87 13.6 -6.4 24 20.0 5.4 10 6 285.6 286.0 277.9 292.4 2.33 1 1000 204 11.4 -6.6 28 18.0 4.2 315 12 284.5 285.0 277.3 291.3 2.33 2 925 847 4.8 -8.2 38 13.0 -0.0 305 8 284.2 284.6 277.0 290.7 2.22 3 850 1529 -0.3 -14.3 34 14.0 -4.7 290 12 285.8 286.1 276.8 290.3 1.48 4 700 3079 -1.9 -46.9 2 45.0 -9.1 330 17 300.4 300.4 281.6 300.7 0.08 5 500 5650 -21.1 -40.1 16 19.0 -23.5 315 32 307.3 307.4 284.6 308.1 0.23 6 400 7260 -32.3 -46.3 24 14.0 -33.4 320 42 313.0 313.0 286.6 313.6 0.15 7 300 9220 -48.1 -60.1 24 12.0 -48.4 315 58 317.6 317.6 288.0 317.7 0.04 8 250 10400 -56.3 -66.3 27 10.0 -56.5 310 70 322.4 322.4 289.5 322.4 0.02 9 236 10765 -57.9 -66.9 31 9.0 -58.0 310 80 325.3 325.3 290.4 325.4 0.02 10 220 11208 -57.6 -70.9 17 13.2 -57.8 310 103 332.3 332.3 292.3 332.3 0.01 11 200 11810 -57.3 -76.3 7 19.0 -57.5 320 90 342.0 342.0 294.8 342.0 0.01 12 150 13650 -53.1 -84.1 1 31.0 -53.5 300 39 378.6 378.6 302.0 378.6 0.00 13 100 16200 -58.1 -89.1 1 31.0 -58.5 280 59 415.5 415.5 307.2 415.5 0.00 TRP 236 10765 -57.9 -66.9 31 9.0 -58.0 310 80 325.3 325.3 290.4 325.4 0.02 WND 220 11208 -57.6 -70.9 17 13.2 -57.8 310 103 332.3 332.3 292.3 332.3 0.01 Sounding variables and indices 1000-500 mb thick: 5446.00 m Freezing level: 854.41 mb = 1488.88 m = 4884.73 ft Wetbulb zero: 925.70 mb = 840.81 m = 2758.52 ft Precipitable water: 0.21 inches Sfc-500 mean rel hum: 17.67 % Est. max temperature: 13.51 C = 56.33 F Sfc-Lift cond lev (LCL): 747.76 mb = 2552.05 m = 8372.76 ft T: -1.36 C 700-500 lapse rate: 7.47 C/km ThetaE index: 2.15 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 564.94 mb = 4716.92 m = 15475.28 ft Mean mixing ratio: 2.27 g/kg Conv temperature: 33.03 C = 91.46 F Cap Strength: 13.02 C Lifted Index: 14.33 C Risk: None Lifted Index @300 mb: 18.85 C Lifted Index @700 mb: 13.02 C Showalter Index: 14.92 C Risk: None Total Totals Index: 27.60 C Risk: None Vertical Totals Index: 20.80 C Cross Totals Index: 6.80 C K Index: -38.50 Risk: None Sweat Index: 56.00 Risk: None Energy Index: 3.87 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.90 J/kg Max Up Vert Vel: 1.95 m/s Conv Inhibition (B-): 15954.56 J/kg Cap Strength: 14.27 C Lift Cond Lev (LCL): 756.18 mb = 2462.66 m = 8079.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 at 14 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 1014 87 10 6 -1.0 -5.9 | 152 9 -4.4 8.1 1 1000 204 315 12 8.5 -8.5 | 223 8 5.1 5.5 2 925 847 305 8 6.6 -4.6 | 199 10 3.2 9.4 3 850 1529 290 12 11.3 -4.1 | 219 13 7.9 9.9 4 700 3079 330 17 8.5 -14.7 | 278 5 5.2 -0.7 5 500 5650 315 32 22.6 -22.6 | 294 21 19.3 -8.6 6 400 7260 320 42 27.0 -32.2 | 307 30 23.7 -18.1 7 300 9220 315 58 41.0 -41.0 | 306 46 37.7 -27.0 8 250 10400 310 70 53.6 -45.0 | 302 59 50.3 -31.0 9 236 10765 310 80 61.3 -51.4 | 303 69 57.9 -37.4 10 220 11208 310 103 78.9 -66.2 | 305 92 75.6 -52.2 11 200 11810 320 90 57.9 -68.9 | 315 77 54.5 -54.9 12 150 13650 300 39 33.8 -19.5 | 280 31 30.4 -5.5 13 100 16200 280 59 58.1 -10.2 | 266 55 54.8 3.8 Wind Parameters Mean winds (0-6000m): 316.6 at 19.2 knts Storm direction: 346.6 at 14.4 knts Shear (0-3000m) pos: 1.8 neg: 2.1 tot: 4.0 10-3/s Storm rel Dir Shear (0-3000m): 126.3 deg Storm rel helicity (0-3000m) pos: 44.3 neg: -6.7 tot: 37.6 m^2/s^2 ave: 12.5 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 3.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.18 Bulk Shear: 10.35 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 ------------------------------------------------------------------------------- 500 316 10 211 8| 0.0 8.8 8.8| 14.5 -3.8 10.7 21.4 0.57| 13.1 7.5 1000 311 10 207 9| 0.0 4.8 4.8| 17.9 -6.7 11.2 11.2 0.47| 8.1 3.8 1500 304 10 210 10| 0.0 4.3 4.3| 25.7 -6.7 19.0 12.6 0.52| 6.5 3.4 2000 303 11 215 10| 0.9 3.2 4.1| 33.0 -6.7 26.3 13.1 0.55| 5.8 3.2 2500 305 12 219 10| 1.4 2.6 4.0| 39.1 -6.7 32.4 13.0 0.57| 5.4 3.1 3000 310 12 225 9| 1.8 2.1 4.0| 44.3 -6.7 37.6 12.5 0.60| 5.1 3.1 4000 316 14 239 8| 1.4 2.2 3.6| 48.3 -6.7 41.6 10.4 0.56| 4.6 2.6 5000 317 17 257 8| 1.1 2.4 3.5| 49.2 -7.0 42.1 8.4 0.48| 4.4 2.1 6000 317 19 270 10| 1.1 2.3 3.4| 58.5 -8.7 49.9 8.3 0.44| 4.2 1.8 Wrote GIF file: /home/apache/climate/data/raob//KSTA/skewt/KSTA.skewt.20250417.18.gif