The Weather Prediction Center

College Park, MD


Storm Summary Message



Storm Summary Number 1 for Southern Plains to Southeastern U.S.
Winter Storm
NWS Weather Prediction Center College Park MD
300 PM CST Fri Dec 07 2018

...Heavy rainfall currently affecting central to eastern Texas
with wintry precipitation expected to develop tonight over
southeastern New Mexico into West Texas... 

Winter Storm Warnings are in effect for portions of northern
Arkansas as well as northwestern South Carolina, western North
Carolina and southwest Virginia

Winter Storm Watches and Winter Weather Advisories are in effect
for portions of New Mexico into West Texas, Oklahoma and the
Ozarks, along with sections of the southern Appalachians into
Virginia, North Carolina and South Carolina.

Flood and Flash Flood Watches are in effect for portions of
southern and eastern Texas into western Louisiana and far southern
Arkansas. A Flood Watch is also in effect for portions of Georgia.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov

A slow moving frontal boundary extended from the central Gulf
Coast into eastern Texas and northern Mexico. Aloft, an eastward
moving upper level disturbance was located over Arizona and
northwestern Mexico. Moisture streaming ahead of the upper level
disturbance was overrunning the frontal boundary allowing for
widespread precipitation across the south-central U.S. National
Weather Service radar and surface observations showed moderate to
embedded heavy rain over central and eastern Texas while
predominately cold light rain was falling over southern New Mexico
into far western Texas. 

...Selected preliminary Storm Total Rainfall in inches from 600 PM
CST Fri Dec 06 through 200 PM CST Fri Dec 07...

...TEXAS...
RUSK COUNTY AIRPORT                   2.53                    
SAN MARCOS                            2.10                    
NEW BRAUNFELS                         1.92                    
HUNTSVILLE                            1.90                    
AUSTIN-BERGSTROM AIRPORT              1.69                    
PALESTINE                             1.57                    


The upper level disturbance over the Southwest will continue to
steadily progress toward the east over the next 24 to 48 hours
with an area of low pressure to form along the front tonight and
track along the Gulf Coast into the western Atlantic by Sunday
afternoon. Heavy rain is expected near and north of the low track
from eastern Texas through the Gulf Coast states where 3 to 6
inches of rainfall will be possible from eastern Texas into
portions of the lower Mississippi Valley. Snow and freezing rain
are forecast to develop along the northern and western fringes of
the precipitation shield beginning tonight over New Mexico into
West Texas, Oklahoma and northern Arkansas. Up to four inches of
snow along with light freezing rain accumulations are expected for
these locations with additional light snow/ice accumulations
extending eastward through the Tennessee Valley from Saturday into
Sunday. As the storm organizes near the coast of the southeastern
U.S early on Sunday, significant snowfall of over a foot is
expected to affect portions of western North Carolina into
southwest Virginia along with freezing rain affecting the Piedmont
into sections of the Coastal Plain.

The next storm summary will be issued by the Weather Prediction
Center at 900 PM CST. Please refer to your local National Weather
Service office for additional information on this event.

Otto




Last Updated: 407 PM EST FRI DEC 07 2018