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Dangerous Cold Weather for Most of the Country; Rare Winter Storm for the South; Fire Weather Concerns for Southern California

Arctic air will filter south and east through early this week. As this cold air moves across the South, a rare winter storm is forecast to develop from Texas, Gulf Coast States into the Southeast through early this week. Several new daily record low temperatures are expected, including new record-low maximum temperatures. For Southern California, fire weather concerns increase this week. Read More >

May 14, 2014
Straight Line Winds and Hail in Adams County, OH

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
233 PM EDT THU MAY 15 2014

...STRAIGHT LINE WIND DAMAGE IN ADAMS COUNTY OHIO...

THE NATIONAL WEATHER SERVICE IN WILMINGTON OH HAS CONCLUDED THAT
TREE DAMAGE IN ADAMS COUNTY THAT OCCURED DURING THE SEVERE
WEATHER OF MAY 14 2014 WAS STRAIGHT LINE WIND DAMAGE.

FOR REFERENCE...STRAIGHT-LINE WINDS ARE GENERALLY ANY WIND THAT
IS NOT ASSOCIATED WITH ROTATION...USED MAINLY TO DIFFERENTIATE
THEM FROM TORNADIC WINDS.

$$

 
 
 


Pictures from the storm survey:
 

Vertical Loop of KILN Radar Imagery near Peak Intensity (4:23 PM)
0.5° Reflectivity 0.5° Storm-Relative Motion 0.5° Correlation Coefficient 0.5° Differential Reflectivity
0.5° Specific Differential Phase 0.5° Velocity 0.5° Spectrum Width 0.5° Hydrometeor Classification
0.9° Reflectivity 0.9° Storm-Relative Motion 0.9° Correlation Coefficient 0.9° Differential Reflectivity
1.3° Reflectivity 1.3° Storm-Relative Motion 1.3° Correlation Coefficient 1.3° Differential Reflectivity
2.4° Reflectivity 2.4° Storm-Relative Motion 2.4° Correlation Coefficient 2.4° Differential Reflectivity
4.0° Reflectivity 4.0° Storm-Relative Motion 4.0° Correlation Coefficient 4.0° Differential Reflectivity
5.1° Reflectivity 5.1° Storm-Relative Motion 5.1° Correlation Coefficient 5.1° Differential Reflectivity
6.4° Reflectivity 6.4° Storm-Relative Motion 6.4° Correlation Coefficient 6.4° Differential Reflectivity
8.0° Reflectivity 8.0° Storm-Relative Motion 8.0° Correlation Coefficient 8.0° Differential Reflectivity
10.0° Reflectivity 10.0° Storm-Relative Motion 10.0° Correlation Coefficient 10.0° Differential Reflectivity
12.5° Reflectivity 12.5° Storm-Relative Motion 12.5° Correlation Coefficient 12.5° Differential Reflectivity

3-Dimensional KILN Radar Imagery
4:19 PM (>20 dBZ) 4:19 PM (>50 dBZ)
4:23 PM (>20 dBZ) 4:23 PM (>50 dBZ)
KILN Radar Cross-Sections
4:23 PM 4:28 PM

Full Radar Loops from NWS Wilmington Ohio (3:08 PM - 5:14 PM) Storm Statistics
KILN 0.5° Reflectivity (3000-4000 feet AGL) | Animation 75 dBZ Height:
~24,000 feet

65 dBZ Height:
~30,000 feet

50 dBZ Height:
~36,000 feet

Max Echo Top:
~48,000 feet
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
KILN 0.5° Storm-Relative Motion (3000-4000 feet AGL)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
KILN 1.3° Reflectivity (6000-8000 feet AGL)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
KILN 4.0° Reflectivity (16000-20000 feet AGL)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30