222  
SXUS43 KTOP 200510  
RECTOP  
 
MORNING LOW LEVEL WIND FORECAST  
NATIONAL WEATHER SERVICE TOPEKA KS  
1210 AM CDT THU JUN 20 2013  
   
..SHAWNEE COUNTY  
 
   
DISCUSSION  
 
AVIATION...(FOR THE 06Z TAFS THROUGH 06Z THURSDAY NIGHT)  
ISSUED AT 1142 PM CDT WED JUN 19 2013  
 
VFR CONDITIONS STILL EXPECTED THROUGH THE TAF PERIOD. MAIN  
UNCERTAINTY REMAINS IN THUNDERSTORM POTENTIAL AND TIMING.  
MONITORING POTENTIAL FOR STORMS OVER TAF SITES AS EARLY AS 09Z...  
BUT FEEL MOST LIKELY TIME IS AFTER SUNRISE. IF STORMS INDEED  
DEVELOP THURSDAY MORNING...WEAK OUTFLOW BOUNDARIES MAY SERVE AS A  
FOCUS FOR ISOLATED BUT STRONG AFTERNOON TS...SO KEPT VCTS FOR MUCH  
OF THE DAY GIVEN THE PERSISTENT POTENTIAL FOR SCATTERED TS. COULD  
ALSO SEE SOUTH WINDS GUST TO 25 KTS OR BETTER DURING DAYLIGHT  
HOURS.  
   
THIS MORNING  
 
SUNRISE: 557 AM  
 
SURFACE WIND FORECAST: 6 AM 160/10 MPH  
8 AM 170/13 MPH  
 
TOP SND (AGL) (AT 605 PM): 200FT 176/16 MPH  
400FT 169/19 MPH  
600FT 167/19 MPH  
800FT 165/19 MPH  
1000FT 170/19 MPH  
1500FT 163/20 MPH  
2000FT 158/18 MPH  
 
RAP WINDS (AGL)(AT 700 AM): SURFACE 119/10 MPH  
62FT 122/13 MPH  
220FT 128/14 MPH  
493FT 148/18 MPH  
904FT 170/25 MPH  
1436FT 186/29 MPH  
2086FT 198/32 MPH  
2810FT 209/37 MPH  
3620FT 215/38 MPH  
 
RAP WINDS (AGL)(AT 800 AM): SURFACE 134/10 MPH  
56FT 135/14 MPH  
214FT 140/16 MPH  
487FT 156/20 MPH  
895FT 177/27 MPH  
1429FT 191/35 MPH  
2078FT 196/39 MPH  
2805FT 200/38 MPH  
3610FT 205/36 MPH  
 
RAP WINDS (AGL)(AT 900 AM): SURFACE 131/12 MPH  
53FT 131/15 MPH  
211FT 132/17 MPH  
484FT 144/21 MPH  
895FT 177/27 MPH  
1429FT 191/35 MPH  
2078FT 196/39 MPH  
2805FT 200/38 MPH  
3610FT 205/36 MPH  
 
DENSITY ALTITUDE: 6 AM 2238 FT  
8 AM 2437 FT  
   
OUTLOOK FOR THIS EVENING  
 
SUNSET: 851 PM  
SURFACE WIND: 6 PM 170/20G28 MPH  
8 PM 170/16G25 MPH  
 
 
 
THIS FORECAST IS NOT ROUTINELY UPDATED OR AMENDED OUTSIDE OF  
SCHEDULED ISSUANCES. A METEOROLOGIST WILL ALSO BE AVAILABLE AT PHONE  
NUMBER 1-785-234-2592.  
 
FOR ADDITIONAL INFORMATION VISIT OUR WEBSITE AT HTTP://WWW.WEATHER.GOV/TOPEKA  
 
 
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