Atmospheric Modeling and Emergency Response


 The Senate Homeland Security and Governmental Affairs has released an interesting report, Senate Rept. No. 111-377, December 17, 2010 to accompany S. 1649 which failed to become law in the 111th   Congress. I believe it will be reintroduced.

EXTRACT FROM REPORT

 Page 43

This section directs the Secretary of Homeland Security to ensure
the rapid development and dissemination of integrated plume
models that assess the location and predict the spread of nuclear,
radioactive, or chemical fallout of biological agents resulting from
an attack or release and that contain protective action guidance.

The Secretary of Homeland Security will also establish mechanisms

for dissemination by emergency response providers of these

plume models to nongovernmental organizations and the public to

ensure appropriate response activities. In addition, the Secretary of

Homeland Security is required to ensure that DHS exercises the

development and dissemination of integrated plume models.

Subsection 222(a) provides definitions for this section, including

for the term ‘‘plume model,’’ which means assessment of the location

and prediction of the spread of nuclear, radioactive, or chemical

fallout and biological pathogens resulting from an explosion or

release of nuclear, chemical or biological substances. The term ‘‘integrated

plume model’’ incorporates the concept that protective action

guidance and other information are also included with the provided

plume models.

Subsection 222(b) directs the Secretary of Homeland Security to

develop and disseminate integrated plume models to enable rapid

response activities following a nuclear, radiological, chemical or biological

release. While the integrated plume models are to be provided

by the Secretary to appropriate emergency response officials,

it is expected that integrated plume models incorporating protective

action guidance will be made in a publicly releasable format

if public release is deemed appropriate by the emergency response

officials in command of the incident response. The integrated

plume models should be developed in consultation with other federal

agencies, State, local, and tribal governments and nongovernmental

organizations involved in the response, sheltering and care

of affected individuals.

Subsection 222(c) directs the Secretary of Homeland Security to

ensure that the integrated plume models developed pursuant to

 development of the integrated plume models, lessons learned from exerci 

this section are exercised. 

 There are at least 18 atmospheric models used by federal agencies for various purposes. One of the most popular is CAMEO developed by DPA. There is however no consensus on their use and that makes impossible coherent issuances of PARs and PADs by authorized officials to protect the public. PAR=Protective Action Recommendation; PAD=Protective Action Decision!



To my knowledge no state has developed its own models and relies totally on the federal establishment for development, maintenance, and application of these models.

 
 exeeexxxercise
 

 

exercising these products, and plans for improving future versions.” 
 
 
 
 
 

 

of Homeland Security to produce a report to Congress detailing thee Mar

Section 222. Plume modeling

 o

development of the integrated plume models, lessons learned from
exercising these products, and plans for improving future versions.”
 
 

 

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