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-------- Original Message --------
445
NOUS41 KWBC 051521
PNSWSH
Service Change Notice 10-40
National Weather Service Headquarters Washington DC
1022 AM EST Mon Nov 5 2012
To: Subscribers:
-Family of Services
-NOAA Weather Wire Service
-Emergency Managers Weather Information Network
-NOAAPort
Other NWS partners and employees
From: Cynthia Abelman
Chief, Aviation Services Branch
Subject: US SIGMET Testing
All three United States Meteorological Watch Offices (MWOs),
(Kansas City, Anchorage and Honolulu) will perform annual
SIGMET testing beginning November 7 and ending November 21.
The tests serve as an important exercise and will include
Volcanic Ash (VA), Tropical Cyclone (WC) and Weather
phenomena (WS) SIGMETs. The validity period for each test is
10 minutes.
On November 7 at 0200 GMT the Honolulu MWO will coordinate
with the Tropical Cyclone Advisory Center (TCAC) in Honolulu
and issue a test Tropical Cyclone SIGMET. Look for the
following SIGMET WMO ID during this test:
WCPA## PHFO
On November 14 at 0200 GMT, all three US MWOs will
coordinate with the two Volcanic Ash Advisory Centers
(VAACs) (Anchorage and Washington) for the Volcanic Ash
SIGMETs test. Look for the following SIGMET WMO IDs during
this test:
WVAK## PAWU
WVPN## KKCI
WVPA## PHFO
On November 21 at 0200 GMT, all three US MWOs will issue
test SIGMETs for Weather phenomena (WS). Look for the following three SIGMET WMO IDs during this test: WSAK## PAWU WSPN## KKCI WSPA## PHFOIf active SIGMETs are occurring at the proposed date and
time, the test will still continue.
If you have any questions about this change, please contact:
Michael Graf
National Weather Service
SSMC-2 Station 13314
1325 East-West Highway
Silver Spring Md. 20910
Phone: 301-713-1726 X 117
EMAIL: michael.graf@xxxxxxxx
National NWS Technical Implementation Notices are online at:
http://www.nws.noaa.gov/om/notif.htm
$$
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