NWS Dallas/Fort Worth Public/Media Guide - Winter Weather Advisory Frame

<body bgcolor="#ffffff" leftmargin="0" topmargin="0"> <table width="100%" cellspacing="0" cellpadding="2" border="0"> <tr bgcolor="#cccccc"> <td width="10"> </td> <td align="left"><span class="white">National Weather Service</span></td> <td align="right"><span class="white">Dallas/Fort Worth</span></td> <td width="10"> </td> </tr> </table> <div align="center"><table width="90%" cellspacing="0" cellpadding="0" border="0"> <tr><td><div align="center"><br><h3>Winter Weather Advisory</h3>(WSW, WWUS44)</div> <h4>Definition</h4> Winter weather advisories are issued for winter weather situations that cause significant inconveniences but do not meet warning criteria and, if caution is not exercised, could lead to life-threatening situations. Advisories are issued for significant events that are occurring, are imminent, or have a very high probability of occurrence.<br><br> As with warnings, advisories are usually issued only for the first period of a forecast but may be issued for the second period and are reissued whenever there is a change in timing, areal extent, or expected condition. Winter weather advisories will include some of the following information... <ul> <li>Affected area,</li> <li>Potential snow amounts, ice accumulations, wind chill, etc,</li> <li>Timing of the event (beginning, ending, time of heaviest precipitation or worst conditions, duration, statement about skill of timing, etc.),</li> <li>Reason for issuing the advisory, and</li> <li>Precautions, call to action statements, potential impact.</li> </ul> <h4>Example (more than one type of winter weather expected to occur)</h4> <div align="center"><table width="430" cellspacing="0" cellpadding="5" border="1" bgcolor="#eaeaea"> <tr> <td><pre> FTWWSWFTW TTAAOO KFTW 231017 TXZO91>095-101>107-115>122-231200- URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FORT WORTH TX 130 AM CST WED DEC 15 1999 ...A WINTER WEATHER ADVISORY IS IN EFFECT FOR THE NORTHWESTERN SECTIONS OF NORTH TEXAS TODAY..... THE ADVISORY IS TO THE NORTH AND WEST OF A GRAHAM...EASTLAND LINE. AT 100 AM THIS MORNING...A COMBINATION OF SNOW AND SLEET WAS FALLING IN ABILENE AND EXTENDED EASTWARD TO NEAR EASTLAND. THIS PRECIPITATION IS EXPECTED TO CONTINUE THIS MORNING AND MAY BEGIN TO ACCUMULATE ON GRASSY SURFACES... BRIDGES AND OVERPASSES. TEMPERATURES ARE AT OR NEAR THE FREEZING MARK OVER THE ADVISORY AREA AND ARE EXPECTED TO HOLD FAIRLY STEADY UNTIL MID MORNING. HIGHS THIS AFTERNOON WILL LIKELY APPROACH 40...SO ANY ACCUMULATIONS OF SNOW AND SLEET WELL MELT BY LATE AFTERNOON. IF YOU NEED TO TRAVEL...EXERCISE EXTREME CAUTION WHEN DRIVING ACROSS BRIDGES AND OVERPASSES THAT MAY BE ICY. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE NEWS SOURCE FOR FURTHER STATEMENTS CONCERNING THIS DEVELOPING WEATHER SITUATION.</pre></td> </tr> </table></div> <br><br> <h4>Example (only one type of winter weather expected to occur)</h4> <div align="center"><table width="622" cellspacing="0" cellpadding="5" border="1" bgcolor="#eaeaea"> <tr> <td><pre> FTWWSWFTW TTAAOO KFTW 231017 TXZO91>095-101>107-115>122-231200- URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE FORT WORTH TX 130 AM CST WED DEC 15 1999 ...A FREEZING RAIN ADVISORY IS IN EFFECT FOR WEST AND NORTH PORTIONS OF NORTH TEXAS TONIGHT... THE NATIONAL WEATHER SERVICE HAS ISSUED A FREEZING RAIN ADVISORY FOR NORTH TEXAS NORTH AND WEST OF A BROWNWOOD...DALLAS...PARIS LINE. THIS INCLUDES THE CITES OF SHERMAN...PARIS...AND THE DALLAS/FORT WORTH METROPLEX. EARLY THIS EVENING NATIONAL WEATHER SERVICE RADAR AND SURFACE REPORTS INDICATED PATCHES OF LIGHT RAIN AND DRIZZLE WERE OCCURRING AN AREA EXTENDING FROM GAINESVILLE...TO DALLAS...TO BROWNWOOD..TO ALBANY. AIR TEMPERATURES WERE AT OR BELOW THE FREEZING MARK...ALLOWING FOR THE RAIN TO FREEZE AS IT COMES IM CONTACT WITH EXPOSED SURFACES. AS BRIDGES AND ROADS COOL OVERNIGHT...ICE MAY BEGIN TO ACCUMULATE MAKING TRAVEL HAZARDOUS. PRECIPITATION ACROSS THE ADVISORY AREA IS LIGHT AT THE MOMENT. ICE ACCUMULATIONS SHOULD NOT BE SIGNIFICANT UNTIL LATE TONIGHT WHEN RAINFALL IS EXPECTED TO INCREASE SLIGHTLY IN COVERAGE AND INTENSITY. ACCUMULATIONS OF ICE SHOULD REMAIN BELOW 1/4 INCH...PRECLUDING SIGNIFICANT DAMAGE TO TREE LINES AND POWER LINES. IF YOU NEED TO TRAVEL THIS EVENING...TAKE EXTREME CAUTION IN REACHING DESTINATIONS AS ROADS AND OVERPASSES WILL BECOME SLICK AND HAZARDOUS LATER TONIGHT AND THE EARLY MORNING HOURS. STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE NEWS SOURCE FOR FURTHER STATEMENTS CONCERNING THIS DANGEROUS WINTER STORM. </pre></td> </tr> </table></div><br><br> </td> </tr> <tr> <td align="center">NWS Dallas/Fort Worth: <a href="../fwd/">Home</a> | <a href="../fwd/forecast.htm">Forecasts</a> | <a href="../fwd/currentwx.html">Current Weather</a> | <a href="http://weather.noaa.gov/radar/national.html">Radar</a> | <a href="http://204.185.136.10/awc/aviation_weather_center.html">Aviation</a> | <a href="../fwd/skywarn.html">Preparedness</a><br> <a href="../fwd/lakes.htm">Hydrology & River Info</a> | <a href="../fwd/radio.html">NOAA Weather Radio</a> | <a href="../fwd/ntexclima.html">Climat Data</a> </td> </tr> </table> <br><br> <table cellspacing="0" cellpadding="1" width="100%" border="0" bgcolor="#000000"> <tr align="center"> <td width="2%"> </td> <td align="left" width="30%"><b><span class="white">Winter Weather Advisory</span></b></td> <td width="5%"><a onmouseover="act('fb')" onmouseout="inact('fb')" href="winterf.htm"><img src="../images/fboff.gif" alt="Winter Weather Introduction" width="23" height="23" border="0" name="fb"></a></td> <td width="1%"> </td> <td width="5%"><a onmouseover="act('b')" onmouseout="inact('b')" href="wswarnf.htm"><img src="../images/boff.gif" alt="Winter Storm Warning" width="23" height="23" border="0" name="b"></a></td> <td width="1%"> </td> <td width="6%"><a onmouseover="act('co')" onmouseout="inact('co')" href="../contents.htm"><img src="../images/cooff.gif" alt="Table of Contents" width="23" height="23" border="0" name="co"></a></td> <td width="1%"> </td> <td width="5%"><a onmouseover="act('f')" onmouseout="inact('f')" href="chillf.htm"><img src="../images/foff.gif" alt="Wind Chill Advisory" width="23" height="23" border="0" name="f"></a></td> <td width="1%"> </td> <td width="5%"><a onmouseover="act('ff')" onmouseout="inact('ff')" href="../npw/npwf.htm"><img src="../images/ffoff.gif" alt="Non-Precipitation Weather" width="23" height="23" border="0" name="ff"></a></td> <td align="right" width="30%"><b><span class="white">Winter Weather Products</span></b></td> <td width="2%"> </td> </tr> </table> </div> </body>