MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2509230000F021.nam218 Reading from grid file:/home/data/models/nam_218/2509230000F021.nam218 Searching file for grids... Date: 21 hour NAM valid 21Z TUE 23 SEP 25 Station: 38.97,-76.58 Latitude: 38.97 Longitude: -76.58 ------------------------------------------------------------------------------- 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 1012 16 27.1 20.8 68 6.3 22.6 163 7 299.3 302.1 295.4 344.5 15.49 1 1000 117 26.2 19.7 67 6.5 21.6 168 11 299.3 302.0 294.7 341.8 14.56 2 950 569 23.0 17.9 73 5.1 19.5 204 13 300.5 303.0 294.5 340.7 13.70 3 900 1038 18.5 16.9 91 1.5 17.4 209 13 300.5 303.0 294.4 340.4 13.60 4 850 1526 15.0 12.5 85 2.4 13.4 230 18 301.8 303.8 292.7 333.8 10.81 5 800 2037 11.5 7.7 77 3.8 9.3 231 18 303.4 305.0 291.2 328.2 8.28 6 750 2574 8.8 0.8 57 8.0 4.6 227 21 306.1 307.1 289.6 322.7 5.41 7 700 3141 5.2 -1.8 60 7.0 1.7 229 25 308.3 309.1 289.7 323.1 4.79 8 650 3743 1.9 -2.4 73 4.3 -0.3 228 26 311.1 312.0 290.7 326.5 4.92 9 600 4385 -1.5 -4.4 80 2.9 -2.9 225 22 314.4 315.3 291.5 329.0 4.59 10 550 5074 -4.7 -9.7 68 4.9 -6.8 225 21 318.5 319.1 291.5 329.4 3.34 11 500 5817 -9.5 -14.5 67 5.1 -11.3 227 24 321.5 322.0 291.7 329.8 2.48 12 450 6624 -14.7 -18.0 76 3.3 -15.7 220 26 324.8 325.2 292.2 331.9 2.07 13 400 7505 -20.6 -23.5 77 2.9 -21.4 216 22 328.2 328.5 292.6 333.2 1.43 14 350 8479 -27.4 -31.4 69 3.9 -28.2 229 18 331.7 331.9 293.0 334.7 0.80 15 300 9568 -36.2 -39.5 71 3.4 -36.5 226 19 334.4 334.5 293.3 336.0 0.41 16 250 10805 -47.3 -50.7 68 3.4 -47.5 205 27 335.7 335.7 293.4 336.3 0.14 17 200 12239 -56.1 -66.6 26 10.5 -56.3 225 41 343.9 343.9 295.3 344.0 0.02 18 150 14062 -58.0 -81.3 4 23.3 -58.2 244 34 370.2 370.2 300.6 370.2 0.00 19 100 16569 -65.0 -85.8 4 20.8 -65.2 259 23 402.1 402.1 305.5 402.1 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5699.95 m Freezing level: 621.91 mb = 4103.32 m = 13462.16 ft Wetbulb zero: 656.86 mb = 3657.49 m = 11999.48 ft Precipitable water: 1.73 inches Sfc-500 mean rel hum: 72.59 % Est. max temperature: 29.37 C = 84.86 F Sfc-Lift cond lev (LCL): 923.11 mb = 818.11 m = 2684.06 ft T: 20.59 C 700-500 lapse rate: 5.48 C/km ThetaE index: 21.82 C Layer 1000.0- 700.0 mb Conv cond level (CCL): 879.69 mb = 1232.81 m = 4044.60 ft Mean mixing ratio: 14.04 g/kg Conv temperature: 28.90 C = 84.02 F Cap Strength: 0.62 C Lifted Index: -3.20 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.84 C Lifted Index @700 mb: -2.84 C Showalter Index: 0.02 C Risk: Thunderstorms probable Total Totals Index: 46.42 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.42 C Cross Totals Index: 21.99 C K Index: 29.95 Risk: 40-60 % chance of thunderstorms Sweat Index: 209.21 Risk: None Energy Index: -0.84 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1082.98 J/kg Max Up Vert Vel: 46.54 m/s Conv Inhibition (B-): 10.30 J/kg Cap Strength: 0.62 C Lift Cond Lev (LCL): 892.36 mb = 1110.63 m = 3643.76 ft Lev Free Conv (LFC): 867.36 mb = 1353.30 m = 4439.89 ft Equ Level (EL): 217.36 mb = 11704.14 m = 38398.96 ft B at Equ Level: 1081.71 J/kg Max Parcel Lev (MPL): 137.36 mb = 14606.45 m = 47920.83 ft Wind Parameters Mean winds (0-6000m): 223.9 at 20.0 knts Storm direction: 253.9 at 15.0 knts Shear (0-3000m) pos: 3.4 neg: 0.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 96.2 deg Storm rel helicity (0-3000m) pos: 61.6 neg: 0.0 tot: 61.6 m^2/s^2 ave: 20.5 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 3.2 10^-3/s Energy-Hel index: 0.36 Bulk Rich Number: 42.51 Bulk Shear: 25.48 m/s