UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042818.upa.cvt Date: 1800Z 28 APR 25 Searching for KSTA... Searching the city database file for: KSTA ... Date:1800Z 28 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 1017 87 21.2 -1.8 21 23.0 10.0 225 5 292.9 293.5 282.4 302.7 3.29 1 1000 230 19.0 -3.0 22 22.0 8.7 220 8 292.1 292.7 281.8 301.2 3.06 2 925 891 12.4 -4.6 30 17.0 4.9 240 6 292.0 292.5 281.6 300.7 2.93 3 850 1591 5.8 -5.2 45 11.0 1.1 185 4 292.2 292.8 281.8 301.2 3.05 4 700 3168 0.4 -38.6 3 39.0 -7.4 315 10 302.9 303.0 282.8 303.6 0.19 5 500 5780 -15.5 -37.5 13 22.0 -19.1 325 30 314.1 314.2 287.2 315.2 0.30 6 400 7430 -27.1 -45.1 16 18.0 -28.9 325 29 319.8 319.8 288.9 320.4 0.17 7 300 9440 -43.1 -58.1 18 15.0 -43.7 335 43 324.6 324.6 290.2 324.8 0.05 8 250 10640 -52.9 -63.9 25 11.0 -53.1 325 48 327.4 327.4 291.0 327.5 0.03 9 200 12040 -61.9 -71.9 25 10.0 -62.0 330 48 334.7 334.7 293.0 334.8 0.01 10 183 12590 -63.5 -75.5 18 12.0 -63.6 325 51 340.7 340.7 294.5 340.8 0.01 11 150 13820 -61.7 -84.7 3 23.0 -61.9 305 49 363.8 363.8 299.4 363.8 0.00 12 100 16340 -60.7 -86.7 2 26.0 -61.0 325 34 410.4 410.4 306.6 410.5 0.00 TRP 183 12590 -63.5 -75.5 18 12.0 -63.6 325 51 340.7 340.7 294.5 340.8 0.01 WND Sounding variables and indices 1000-500 mb thick: 5550.00 m Freezing level: 694.97 mb = 3233.71 m = 10609.16 ft Wetbulb zero: 830.13 mb = 1783.10 m = 5849.99 ft Precipitable water: 0.33 inches Sfc-500 mean rel hum: 18.49 % Est. max temperature: 20.44 C = 68.80 F Sfc-Lift cond lev (LCL): 720.87 mb = 2929.32 m = 9610.53 ft T: 1.22 C 700-500 lapse rate: 6.09 C/km ThetaE index: 1.99 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 550.78 mb = 5029.10 m = 16499.46 ft Mean mixing ratio: 3.02 g/kg Conv temperature: 39.35 C = 102.83 F Cap Strength: 9.23 C Lifted Index: 12.72 C Risk: None Lifted Index @300 mb: 16.79 C Lifted Index @700 mb: 9.23 C Showalter Index: 12.61 C Risk: None Total Totals Index: 31.60 C Risk: None Vertical Totals Index: 21.30 C Cross Totals Index: 10.30 C K Index: -22.90 Risk: None Sweat Index: 38.00 Risk: None Energy Index: 3.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.43 J/kg Max Up Vert Vel: 2.20 m/s Conv Inhibition (B-): 12472.04 J/kg Cap Strength: 12.56 C Lift Cond Lev (LCL): 716.38 mb = 2980.12 m = 9777.18 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 343 at 10 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 1017 87 225 5 3.5 3.5 | 182 13 0.6 13.4 1 1000 230 220 8 5.1 6.1 | 188 16 2.2 16.0 2 925 891 240 6 5.2 3.0 | 190 13 2.2 12.9 3 850 1591 185 4 0.3 4.0 | 169 14 -2.6 13.9 4 700 3168 315 10 7.1 -7.1 | 236 5 4.1 2.8 5 500 5780 325 30 17.2 -24.6 | 316 20 14.2 -14.7 6 400 7430 325 29 16.6 -23.8 | 315 19 13.7 -13.9 7 300 9440 335 43 18.2 -39.0 | 332 33 15.2 -29.1 8 250 10640 325 48 27.5 -39.3 | 320 38 24.6 -29.4 9 200 12040 330 48 24.0 -41.6 | 326 38 21.0 -31.7 10 183 12590 325 51 29.3 -41.8 | 320 41 26.3 -31.9 11 150 13820 305 49 40.1 -28.1 | 296 41 37.2 -18.2 12 100 16340 325 34 19.5 -27.9 | 317 24 16.5 -18.0 Wind Parameters Mean winds (0-6000m): 313.3 at 13.8 knts Storm direction: 343.3 at 10.3 knts Shear (0-3000m) pos: 2.2 neg: 0.9 tot: 3.1 10-3/s Storm rel Dir Shear (0-3000m): 47.6 deg Storm rel helicity (0-3000m) pos: 46.7 neg: -18.3 tot: 28.4 m^2/s^2 ave: 9.5 10^-3 m/s^2 rel: 0.34 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 31.53 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 ------------------------------------------------------------------------------- 500 224 7 188 15| 2.1 0.0 2.1| 7.2 0.0 7.2 14.4 0.42| 4.5 1.9 1000 228 7 188 14| 1.0 0.8 1.9| 7.5 -5.3 2.2 2.2 0.06| 3.8 0.2 1500 224 6 185 14| 0.7 1.7 2.4| 7.5 -18.3 -10.8 -7.2 -0.28| 3.7 -1.0 2000 221 6 183 14| 1.5 1.3 2.8| 22.3 -18.3 4.0 2.0 0.06| 3.8 0.2 2500 230 6 187 14| 2.0 1.0 3.0| 37.6 -18.3 19.3 7.7 0.27| 4.1 1.1 3000 249 6 194 13| 2.2 0.9 3.1| 46.7 -18.3 28.4 9.5 0.34| 4.6 1.6 4000 284 8 212 9| 2.6 0.6 3.3| 57.1 -18.3 38.8 9.7 0.44| 4.5 2.0 5000 304 11 236 7| 2.9 0.5 3.4| 69.5 -18.3 51.2 10.2 0.45| 4.4 2.0 6000 313 14 266 7| 2.8 0.4 3.3| 80.3 -18.4 61.9 10.3 0.45| 4.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//KSTA/skewt/KSTA.skewt.20250428.18.gif