National Weather Service United States Department of Commerce

Massive Heat Wave; Severe Storms and Heavy Rain

A massive heat wave is consuming much of the Midwest into the Southern tier of the U.S. with hazy, hot and humid conditions. These dangerous conditions will likely persist through Thursday as widespread excessive heat warnings and heat advisories are in effect. North and east of the heat and area of high pressure, thunderstorms with damaging and severe winds, large hail and heavy rain are likely. Read More >

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NOUS41 KLWX 070328 CCA
PNSLWX

DCZ001-MDZ003>007-009>011-013-014-016>018-501-502-VAZ021-025>031-036>
042-050>057-WVZ049>055-501>504-071100-

PUBLIC INFORMATION STATEMENT...CORRECTED REAGAN NATIONAL INFO
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 
1030 PM EST SAT FEB 06 2010

...PRELIMINARY SUMMARY OF TWO-DAY STORM TOTAL SNOWFALLS EXCEEDED IN 
THE BALTIMORE-WASHINGTON AREA...

THE 32.4 INCH TWO-DAY STORM TOTAL SNOWFALL RECORDED TODAY AT DULLES 
INTERNATIONAL AIRPORT EXCEEDS THE PREVIOUS TWO-DAY STORM RECORD OF 
23.2 INCHES ON 7-8 JANUARY 1996.

THE 24.8 INCH TWO-DAY STORM TOTAL SNOWFALL ESTIMATED TODAY AT 
BALTIMORE/WASHINGTON INTERNATIONAL THURGOOD MARSHALL AIRPORT EXCEEDS 
THE PREVIOUS TWO-DAY STORM TOTAL SNOWFALL RECORD OF 24.4 INCHES FOR 
BWI AIRPORT FROM 16-17 FEBRUARY 2003.  THIS WOULD ALSO BE THE 2ND 
HIGHEST TWO-DAY STORM TOTAL ALL-TIME SNOWFALL FOR BALTIMORE RECORDS 
WHICH DATE BACK TO 1871...BEING SECOND ONLY TO THE 26.3 INCHES WHICH 
FELL 27-28 JANUARY 1922.

THE 17.8 INCH TWO-DAY STORM TOTAL SNOWFALL RECORDED TODAY AT RONALD 
REAGAN WASHINGTON NATIONAL AIRPORT IS THE SECOND HIGHEST TWO-DAY 
STORM TOTAL RECORD...SECOND ONLY TO THE 18.7 INCHES FOR NATIONAL 
AIRPORT FROM 18-19 FEBRUARY 1979.  THIS WOULD ALSO BE THE 4TH 
HIGHEST TWO-DAY STORM TOTAL ALL-TIME SNOWFALL FOR WASHINGTON RECORDS 
WHICH DATE BACK TO 1871...BEHIND ONLY THE 27-28 JANUARY 1922 
KNICKERBOCKER STORM WITH 26.0 INCHES...THE 12-13 FEBRUARY 1899 STORM 
WHICH PRODUCED 19.0 INCHES...AND THE 18.7 INCHES WHICH FELL 18-19 
FEBRUARY 1979.

AS WITH ANY MAJOR CLIMATE RECORD ACHIEVEMENT...THESE PRELIMINARY 
RECORDS WILL BE QUALITY CONTROLLED BY NOAA'S NATIONAL CLIMATIC DATA 
CENTER OVER THE NEXT SEVERAL WEEKS.

$$

LEE