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Weather service warns of fire weather Monday

Weather
Posted by LewisvilleTexan on 2016/2/7 19:10:00 (502 reads)

Open in new windowStaff Reports

Update:
The National Weather Service has issued a red flag warning effective Monday from 9 a.m. to 6 p.m.

A red flag warning means that critical fire weather conditions are occurring now or will occur shortly.

Strong winds are forecast to be from the northwest at 20-30 mph with gusts to 35 mph, with low relative humidity from 15-25 percent. Rainfall is below normal for this time of year, so vegetation may be dry enough to support wildfires.

High temperatures are expected to be in the 50s and low 60s.

34 counties are in the warning area, including Denton, Dallas, and Tarrant. 14 additional counties to the east, including Collin County, are in a fire weather watch.

Any fire that develops could spread quickly.

Readers are advised to avoid outdoor fires and dispose of cigarettes properly.


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Original post:

The National Weather Service has issued a fire weather watch effective Monday from 9 a.m. to 6 p.m.

A fire weather watch means that critical fire weather conditions are forecast to occur.

Strong winds are forecast to be from the northwest at 25 mph with gusts to 35 mph, with low relative humidity from 15-25 percent. Rainfall is below normal for this time of year, so vegetation may be dry enough to support wildfires.

High temperatures are expected to be in the 50s and low 60s.

33 counties are in the watch area, including Denton, Dallas, and Tarrant.

Any fire that develops could spread quickly.

Readers are advised to avoid outdoor fires and dispose of cigarettes properly. Pay attention to local media for any red flag warnings.
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Weather Briefing - Christmas Weekend

Weather
Posted by LewisvilleTexan on 2015/12/25 0:37:33 (482 reads)

Via the National Weather Service:
Rain starts Friday, with strong/severe thunderstorms possible Saturday- Sunday. Snow or a rain/snow mixture possible Sunday/Monday.


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Lewisville wakes to Tornado Warning

Weather
Posted by WhosPlayin on 2015/11/17 11:00:00 (7967 reads)

Open in new windowOpen in new windowBy Steve Southwell
editor@LewisvilleTexan.com


Tuesday morning was a rude awakening for many Lewisville residents when strong storms moved through the area as a squall line. Strong winds tipped over a tractor-trailer in the parking lot of Walmart, waking the driver. Police said that driver was not injured, but Lewisville Fire Department did assist him in exiting the rig. Paramedics evaluated him for injuries. Down the street on FM 3040, a steeple and cupola were blown off a clock tower monument at Chapel Hill Apartments.

Lewisville emergency management coordinator Josh Roberts said there were also instances of downed trees and a few downed power lines, damage to some roofs in Creekside Mobile Home Park, and damage to some overhead doors. Most of the damage was in the southwest portion of the city.

At 3:46 a.m. that morning the National Weather Service issued a tornado warning due to radar-indicated rotation. Skywarn spotters were out around the county prior to the warning, but as far as we heard, no spotter was able to get eyes on any rotation in Lewisville. Roberts gave the order to turn on the outdoor warning sirens. Many residents reported that their cell phones turned on to warn them.

The National Weather Service did visit Lewisville the next day to perform a field survey to determine what happened. Roberts says their preliminary findings are that the damage was caused by straight-line winds with gusts of 60-70 mph.

Unfortunately, the city’s Citizen Alert reverse-911 system malfunctioned with regards to sending warnings to residents who had signed up for the service. The system is supposed to automatically send National Weather Service warnings via robo-dialed phone calls, and tornado warnings are a mandatory send that users cannot turn off. Even though the warning expired, and the storm had passed by 4:15 a.m., residents began receiving tornado warning calls after 5:15 a.m. Residents and Roberts were not happy about that glitch. “Obviously this is horrible timing, and please know that I consider the occurrence of this issue as unacceptable,” said Roberts. “The vendor has said that they've implemented a ‘fix’ but I've asked for specifics and have some scheduled discussions with them in the near future,” he added.

Roberts did say that the issue pointed out the necessity for residents to have multiple means of receiving warnings in the event of severe weather. The outdoor warning sirens are not intended to be loud enough to be heard inside every home. Setting up an All-Hazards Weather Radio in a place where it can be heard is a good way to get alerts. Many local media outlets also have apps that can deliver weather alerts.

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Updated: Rain on the way for North Texas

Weather
Posted by LewisvilleTexan on 2015/10/21 13:30:00 (1098 reads)

Open in new windowOpen in new windowMeteorologists are expecting a much-needed heavy rain event for North Texas to roll in Thursday and last through the weekend. The National Weather service issued a flash flood watch effective from 1 a.m. Friday morning until 1 a.m. Sunday morning for 38 counties in North Texas, including Denton, Dallas, Tarrant, Cooke, Wise, and Collin counties. Forecasters expect most of North Texas will get three to six inches of rain, with some locally heavy downpours of as much as 10 inches.

For Thursday, the forecast calls for possible showers and thunderstorms this morning, which chances increasing in the afternoon to 70%. As of 6:30 a.m., radar showed the storms west of our area along a line from Childress to Big Spring, which should allow for a dry morning commute. Skies will be mostly cloudy today, and highs will be in the upper 70s with winds from the southeast at 15-20 mph. There is an 80% chance of rain tonight, with possible heavy rainfall. Lows tonight will be in the upper 60s. Southeast winds will be at 15-20 mph dropping to 10-15 mph after midnight. Friday, rain chances increase to 90%. Saturday, the rain chance is 80%.

As of last Thursday, Denton County was in severe drought. An exceptionally dry summer followed a very wet May that brought flooding and a new record level for Lewisville Lake. About 47% of the State of Texas is currently in drought stages 1-4. Since January 1, the DFW area has received 39.1 inches of rain- nearly 10 inches above normal for the year, but the last several months have been dry. Lewisville Lake sits at 521.15 feet, or about 10 inches below full conservation pool.

National Weather Service update from Thursday morning:
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Here is the latest information on the heavy rainfall expected to move into North Texas starting later today. It appears that we will have at least two rounds of heavy rainfall...one tonight...and another late Friday night into Saturday. At this time it appears that most of North Texas will pick up 3 to 6 inches of rain. A FLASH FLOOD WATCH is in effect for most of the area. Keep in mind that there are likely to be small bands or pockets of very heavy rainfall...as much as 10 inches of rain in some areas. These will be very localized and extremely difficult to pin down an exact location. Stay tuned for the latest forecast information throughout the day.



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Ozone Action Day in North Texas

Weather
Posted by WhosPlayin on 2015/8/10 15:20:00 (933 reads)

Open in new windowMonday, the combination of low winds and high temperature will possibly create ozone levels in the air that are unhealthy for sensitive groups. It is an ozone action day. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy exertion outdoors. You can help out by doing your best to reduce pollution today. You can find some tips here.

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