MODEL GRIDDED SOUNDING PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/models/nam_218/2508271800F000.nam218 Reading from grid file:/home/data/models/nam_218/2508271800F000.nam218 Searching the city database file for: KIOW ... Searching file for grids... Date: NAM analysis for 1800Z 27 AUG 25 Station: KIOW Latitude: 41.63 Longitude: -91.55 ------------------------------------------------------------------------------- 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 196 SFC 997 222 18.2 15.4 83 2.8 16.4 177 1 291.6 293.6 289.7 323.0 11.09 2 950 635 16.6 10.8 69 5.8 13.1 216 11 294.0 295.6 288.3 318.8 8.61 3 900 1093 14.0 6.7 61 7.3 9.9 227 16 296.0 297.2 287.4 315.9 6.84 4 850 1572 10.5 5.8 73 4.7 7.9 244 17 297.2 298.4 287.8 317.1 6.82 5 800 2076 8.3 8.0 98 0.3 8.2 268 21 300.0 301.6 290.3 325.0 8.47 6 750 2607 5.5 5.2 98 0.3 5.3 281 25 302.5 303.9 290.2 324.6 7.39 7 700 3168 2.4 2.0 97 0.4 2.1 297 23 305.1 306.3 290.0 324.2 6.31 8 650 3765 -1.0 -2.3 91 1.3 -1.6 307 19 307.8 308.8 289.8 323.2 4.98 9 600 4398 -5.0 -8.3 78 3.3 -6.4 311 15 310.4 311.0 289.1 321.2 3.42 10 550 5078 -8.8 -16.1 55 7.3 -11.3 302 17 313.6 314.0 288.8 320.1 1.97 11 500 5809 -13.7 -22.8 46 9.0 -16.2 297 22 316.3 316.5 288.9 320.4 1.22 12 450 6602 -18.4 -30.8 33 12.4 -20.8 291 32 320.2 320.3 289.5 322.5 0.65 13 400 7469 -25.1 -36.1 35 11.0 -26.8 291 46 322.3 322.4 289.9 323.9 0.44 14 350 8424 -31.7 -51.4 12 19.8 -33.1 293 64 326.1 326.1 290.7 326.4 0.10 15 300 9497 -39.3 -51.1 28 11.8 -40.0 294 77 330.0 330.0 291.9 330.5 0.12 16 250 10722 -47.7 -58.0 29 10.4 -48.0 296 91 335.2 335.2 293.2 335.5 0.06 17 200 12169 -54.1 -66.6 20 12.4 -54.4 300 98 347.0 347.0 296.0 347.1 0.02 18 150 14007 -55.9 -84.2 2 28.3 -56.3 311 65 373.7 373.7 301.2 373.7 0.00 19 100 16561 -59.9 -87.3 2 27.4 -60.3 318 33 411.9 411.9 306.7 411.9 0.00 TRP 0 WND 0 Sounding variables and indices 1000-500 mb thick: 5612.95 m Freezing level: 664.86 mb = 3587.52 m = 11769.94 ft Wetbulb zero: 671.61 mb = 3501.57 m = 11487.96 ft Precipitable water: 1.24 inches Sfc-500 mean rel hum: 77.67 % Est. max temperature: 23.93 C = 75.08 F Sfc-Lift cond lev (LCL): 955.78 mb = 582.89 m = 1912.34 ft T: 16.80 C 700-500 lapse rate: 6.10 C/km ThetaE index: 7.13 C Layer 950.0- 850.0 mb Conv cond level (CCL): 801.17 mb = 2063.45 m = 6769.76 ft Mean mixing ratio: 8.66 g/kg Conv temperature: 26.55 C = 79.80 F Cap Strength: 3.07 C Lifted Index: 3.23 C Risk: None Lifted Index @300 mb: 8.28 C Lifted Index @700 mb: 2.40 C Showalter Index: 4.25 C Risk: None Total Totals Index: 43.83 C Risk: None Vertical Totals Index: 24.27 C Cross Totals Index: 19.55 C K Index: 29.69 Risk: 40-60 % chance of thunderstorms Sweat Index: 251.00 Risk: None Energy Index: 0.70 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.78 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 9030.83 J/kg Cap Strength: 3.23 C Lift Cond Lev (LCL): 872.84 mb = 1350.04 m = 4429.22 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind Parameters Mean winds (0-6000m): 284.2 at 18.5 knts Storm direction: 314.2 at 13.9 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 136.8 deg Storm rel helicity (0-3000m) pos: 176.9 neg: 0.0 tot: 176.9 m^2/s^2 ave: 59.0 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.42 Bulk Shear: 40.06 m/s