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Delmarva Skywarn Page
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TO THE SEVERE LOCAL STORM SPOTTER:
SEVERE WEATHER!!! Its effects are felt by many of us during our lifetimes.
To obtain critical weather information, the National
Weather Service of the U.S. Department of Commerce's National Oceanic
and Atmospheric Administration, and cooperating organizations,
have established SKYWARN Spotter Networks. Although SKYWARN spotters
are essential information sources for all types of weather
hazards, your largest responsibility as a SKYWARN spotter is to identify
and describe severe local storms. In the average year, 10,000
severe thunderstorms, 5,000 floods, and over 900 tornadoes occur across
the United States. During the past 10 years, tornadoes, severe
thunderstorms, and flash floods have killed nearly 2,300 people in
the United States and injured thousands of others. Because of storm
spotter reports, such as those you provided, plus the addition of new
technology and improved warning dissemination, this death toll was
reduced by more than 800 from the previous 10 years. While the figures
still appear staggering, several thousand lives have been saved by
reports from storm spotters.
Your information, coupled with Doppler radar, satellite, and other data,
has enabled the National Weather Service to issue more timely
and accurate warnings for tornadoes, severe thunderstorms, and flash
floods. I am pleased that you are part of the ranks of those who
form
the Nations first line of defense against severe weather. There can
be no finer reward than to know that your efforts have given a
community the precious gift of time.. .seconds and minutes that can
save lives.
Sincerely,
John B. Jones, J
Deputy Assistant Administrator for Weather Services
The Weather Forecast Office (WFO) in Wakefield issues warnings for tornadoes,
severe thunderstorms and flash flooding. The
capabilities of the WSR-88D (NEXRAD) has enabled us to detect severe
weather phenomena and provide increased lead time in our
warnings. However, we still need ground truth to supplement our warnings.
This is where you come in! We need storm spotters,
especially in the rural areas in our county warning area. Bill Sammler,
our Warning Coordination Meteorologist (WCM) has developed a
storm spotter training program. If you would like to inquire about
becoming a storm spotter or want more information on one of the training
sessions below, click here
to send an e-mail message to Bill.
The NWS Wakefield SKYWARN network has grown by more than 500 members
since 1994. To become a
part of this ever growing network of weather enthusiasts and severe
weather volunteers, we ask that
you meet the following requirements:
1) Attend 1 session of the "Basic SKYWARN class". These classes are
free of charge, last about 3 hours, and
provide the student with materials and classroom type instruction necessary
to be a spotter. ATTENDANCE AT
FOLLOW-UP TRAINING IS RECOMMENDED EVERY 2 YEARS TO UPDATE AND ENHANCE
THE INITIAL
TRAINING.
2) Complete the SKYWARN Sign-Up Form, either at the class or at home,
and return it to the training instructor.
This form can be mailed to the address provided. These forms give the
NWS vital information we use to contact
you during severe weather, and to mail you our spotter newsletter,
The Spotter's Page.
It's that simple. Once you've completed steps 1 and 2, all we ask is
your participation during severe weather
situations. Thank you for your interest in the SKYWARN program.
From the ARRL Operating Manual 1998,
Nasty weather hits somewhere every day. Long ago, amateurs exchanged
simple information among
themselves about the approach and progress of storms. Next, concerned
hams phoned the weather
offices to share a few reports they thought might be of particular
interest to the public. National Weather
Service forecasters were relying on spotters: police, sheriff, highway
patrol. Emergency government and
trained individuals who reported weather information by telephone.
But when severe weather strikes,
professional spotters may be burdened with law enforcement tasks, phone
lines may become
overloaded, special communication circuits might go out of service
or, worse yet, there can be a loss of
electrical power. Because of these uncertainties, weather center officials
welcomed amateur operators
and encouraged them to install their battery powered radio equipment
on-site so forecasters could
monitor the weather nets, request specific area observations and maintain
communications in a serious
emergency.
Those first, informal weather nets had great potential to access perhaps
hundreds of observers in a wide
area. Many Meteorologists-in-Charge (MIC’s) eagerly began to instruct
hams in the types of information
needed during severe-weather emergencies, including radar interpreting.
Eventually, Amateur Radio
SKYWARN operations developed as an important part of community disaster
preparedness programs.
Accurate observations and rapid communications during extreme weather
situations now proves to be
fundamental to the NWS, Amateur Radio operators nationwide are a first-response
group invaluable to
the success of an early storm-warning effort. Weather spotting is popular
because the procedures are
easy to learn and reports can be given from the relative safety and
convenience of a home or an auto.
For example, during a severe-storm episode in Wisconsin in 1994, there
was danger of local flooding. A
quick check of conditions at the homes of hams operating ARES
net rapidly revealed trouble spots over
a 40 mile area. This information proved invaluable to emergency government
and weather officials, yet
no ham had to leave home to participate.
Weather reports on a severe-weather net are limited to drastic weather
data, unless specifically
requested by the control operator. So, most amateurs monitor net operations
transmit only when they can
help.
Weather forecasters, depending on their geographical location, need
certain information.
During the summer or thunderstorm season report:
Here's a four-step method to describe the weather you spot:
1) What: Tornadoes, funnels, heavy rain and snow.
2) Where: Direction and distance from a known location
for example, 3 miles south of Newington.
3) When: Time of observation.
4) How: Storm's direction, speed of travel, size, intensity and destructiveness.
Include uncertainty as
needed. (“Funnel cloud, but too far away to be certain
it is on the ground.”)
Alerting the Weather Net:
The Net Control Station, using a VHF repeater, directs maintains control
over traffic being passed on
the Weather Net.. The station also collates reports, relates pertinent
material to. the Weather Service
and organizes liaison with other area repeaters. Priority Stations,
those that are assigned tactical call
signs, may call any other station without going through net control.
The NCS might start the net upon
hearing a National Oceanic and Atmospheric Administration (NOAA) radio
alert. or upon request by
NWS or the EC. The NCS should keep in mind that the general public and or government officials might be
listening to net operations with scanners.
Here are some guidelines an NCS might use to initiate and handle a
severe-weather net on a
repeater:
1) Activate alert tone on repeater,
2) Read weather-net activation format.
3) Appoint a backup NCS to copy and log all traffic—and to take over
in the event the NCS goes off-
the-air or needs relief.
4) Ask NWS for the current weather status.
5) Check in all available operators.
6) Assign operators to priority stations and liaisons.
7) Give severe-weather report outline and updates.
8) Be apprised of situations and assignments by EC. -
9) Periodically read instructions on net procedures and types of severe
weather to report.
10) Acknowledge and respond to all calls immediately,
11) Require that net stations request permission to leave the net.
12) During periods of inactivity and to keep the frequency open, make
periodic announcements that a
net is in progress.
13) Close the net after operations conclude. Please be sure to thank
all for their help.
We would like to list all EC's and Skywarn Cords for DE, MD & VA. on this page. Please email me with this information so
We can put the info up.
VA
- Accomack County - Dennis Cope KD4NVM monitors Accomac
147.255 and 146.925 repeaters. Phone 757-824-5944
Dennis
KD4NVM
Skywarn Cord.
Accomack County, Va.