UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120517.upa.cvt Date: 1700Z 5 DEC 25 Searching for KSTA... Searching the city database file for: KSTA ... Date:1700Z 5 DEC 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 1011 87 -1.7 -3.9 85 2.2 -2.5 60 5 270.6 271.1 270.1 278.3 2.83 1 1000 174 -3.3 -6.1 81 2.8 -4.2 100 4 269.9 270.2 268.9 276.4 2.42 2 925 785 -6.5 -8.1 88 1.6 -7.0 155 15 272.7 273.0 270.4 278.8 2.24 3 850 1449 -4.3 -6.0 88 1.7 -4.9 225 30 281.6 282.1 276.5 289.8 2.87 4 700 2970 -7.9 -10.3 83 2.4 -8.7 260 28 293.7 294.2 281.8 301.2 2.49 5 500 5520 -18.7 -48.7 5 30.0 -22.0 260 82 310.2 310.3 285.5 310.6 0.09 6 400 7150 -29.7 -32.0 80 2.3 -30.0 260 117 316.4 316.5 288.3 318.7 0.65 7 300 9160 -42.1 -52.1 33 10.0 -42.6 260 139 326.0 326.0 290.7 326.4 0.10 8 250 10370 -50.3 -56.3 49 6.0 -50.5 255 161 331.3 331.3 292.2 331.6 0.07 9 235 10770 -53.0 -59.6 45 6.6 -53.2 255 164 333.1 333.1 292.6 333.3 0.05 10 200 11790 -60.1 -68.1 34 8.0 -60.2 255 147 337.6 337.6 293.7 337.7 0.02 11 192 12045 -61.5 -69.5 34 8.0 -61.6 255 142 339.3 339.3 294.1 339.4 0.02 12 150 13590 -59.5 -72.5 17 13.0 -59.7 265 97 367.6 367.6 300.1 367.6 0.01 13 100 16110 -63.7 -82.7 6 19.0 -63.9 270 66 404.7 404.7 305.8 404.7 0.00 TRP 192 12045 -61.5 -69.5 34 8.0 -61.6 255 142 339.3 339.3 294.1 339.4 0.02 WND 235 10770 -53.0 -59.6 45 6.6 -53.2 255 164 333.1 333.1 292.6 333.3 0.05 Sounding variables and indices 1000-500 mb thick: 5346.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.46 inches Sfc-500 mean rel hum: 65.84 % Est. max temperature: 7.99 C = 46.38 F Sfc-Lift cond lev (LCL): 976.61 mb = 359.45 m = 1179.29 ft T: -4.27 C 700-500 lapse rate: 4.24 C/km ThetaE index: 1.83 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 597.07 mb = 4175.35 m = 13698.48 ft Mean mixing ratio: 2.35 g/kg Conv temperature: 29.29 C = 84.72 F Cap Strength: 16.34 C Lifted Index: 26.87 C Risk: None Lifted Index @300 mb: 34.11 C Lifted Index @700 mb: 16.34 C Showalter Index: 17.67 C Risk: None Total Totals Index: 27.10 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 12.70 C K Index: 6.00 Risk: None Sweat Index: 238.70 Risk: None Energy Index: 4.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.90 J/kg Max Up Vert Vel: 4.45 m/s Conv Inhibition (B-): 20719.20 J/kg Cap Strength: 26.39 C Lift Cond Lev (LCL): 927.65 mb = 762.56 m = 2501.82 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 283 at 32 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 1011 87 60 5 -4.3 -2.5 | 98 36 -35.5 4.8 1 1000 174 100 4 -3.9 0.7 | 103 36 -35.2 8.0 2 925 785 155 15 -6.3 13.6 | 119 43 -37.6 20.9 3 850 1449 225 30 21.2 21.2 | 161 30 -10.0 28.5 4 700 2970 260 28 27.6 4.9 | 163 13 -3.6 12.2 5 500 5520 260 82 80.8 14.2 | 246 54 49.5 21.6 6 400 7150 260 117 115.2 20.3 | 252 88 84.0 27.6 7 300 9160 260 139 136.9 24.1 | 253 110 105.7 31.5 8 250 10370 255 161 155.5 41.7 | 248 134 124.3 49.0 9 235 10770 255 164 158.4 42.4 | 249 137 127.2 49.8 10 200 11790 255 147 142.0 38.0 | 248 120 110.8 45.4 11 192 12045 255 142 137.2 36.8 | 247 115 105.9 44.1 12 150 13590 265 97 96.6 8.5 | 256 67 65.4 15.8 13 100 16110 270 66 66.0 -0.0 | 258 36 34.8 7.3 Wind Parameters Mean winds (0-6000m): 253.2 at 42.7 knts Storm direction: 283.2 at 32.1 knts Shear (0-3000m) pos: 6.0 neg: 0.0 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 76.8 deg Storm rel helicity (0-3000m) pos: 465.4 neg: -1.5 tot: 463.8 m^2/s^2 ave: 154.6 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 11.8 stream: 8.0 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.03 Bulk Shear: 300.94 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 ------------------------------------------------------------------------------- 500 123 7 107 39| 11.7 0.0 11.7| 97.6 0.0 97.6 195.3 0.79| 12.4 9.8 1000 157 12 117 40| 12.9 0.0 12.9|291.6 0.0 291.6 291.6 0.90| 15.3 13.8 1500 193 17 131 36| 11.9 0.0 11.9|446.3 0.0 446.3 297.5 0.86| 17.3 14.8 2000 210 20 139 32| 8.8 0.0 8.8|455.6 0.0 455.6 227.8 0.79| 14.5 11.5 2500 221 22 144 29| 6.9 0.0 6.9|457.7 -0.1 457.6 183.0 0.72| 12.8 9.2 3000 229 23 148 26| 6.0 0.0 6.0|465.4 -1.5 463.8 154.6 0.68| 11.8 8.0 4000 242 27 160 21| 4.5 2.7 7.3|536.2 -1.5 534.7 133.7 0.70| 11.6 8.1 5000 249 34 183 19| 3.6 4.4 8.0|607.0 -1.5 605.5 121.1 0.63| 11.4 7.3 6000 253 43 206 22| 3.0 5.5 8.5|678.4 -1.5 676.9 112.8 0.57| 11.4 6.5 Wrote GIF file: /home/apache/climate/data/raob//KSTA/skewt/KSTA.skewt.20251205.17.gif