"It will also require the NWS to be more forthcoming about the number of vacant positions in the NWS", said the National Weather Service Employees Organization, which pushed for inclusion of the language.
The primary threat is wind gusts in excess of 60 miles per hour, according to the National Weather Service.
The House approved the bill by voice vote Tuesday, sending it to the president.
There were numerous reports of wind damage - mainly to trees - stretching north from Louisa County to Manassas and Fairfax County.
Meteorologists were still gathering information on that tornado Thursday, she said.
The National Weather Service confirmed Thursday there was an EF-1 tornado in Boone County Tuesday night.
"All manner of severe weather is on the table for this line of storms", he said. "Strong tornadoes remain possible across eastern and northeastern portions of Central Alabama, where the best wind shear remains in place".
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A third round will develop this evening through 9 p.m. Lightning runs through cloud over Blount Cultural Park in Montgomery, Ala., Wednesday, April 5, 2017, as a thunderstorm moves through southern Montgomery County.
A tornado warning is issued when tornadoes are imminent or occurring.
The watch will continue to be in effect until 4 p.m. NWS Charleston's website said some storms could be severe, with large hail, damaging winds and heavy rain.
The second round is expected to develop and move northeast through the afternoon, impacting all of central Alabama. All other patients are being transported to other area hospitals.
Savannah-Chatham County Public School System - dismiss at the regularly scheduled time, all after-school activities and athletic events canceled.
As the storm has made its way across Georgia today, it is suspected to have produced a tornado in Quitman and Randolph counties, according to the NWS.