(c) BUDGET.—The Director of the National Weather 
Service shall, not less frequently than annually, submit to 
Congress a proposed budget corresponding with the activi-
ties described in subsection (b), including an analysis of 
such activities that can be complemented by National Oce-
anic and Atmospheric Administration aircraft. 
(d) AUTHORIZATION
OF
APPROPRIATIONS.—From 
amounts made available to Operations, Research, and Fa-
cilities of the National Oceanic and Atmospheric Adminis-
tration, there is authorized to be appropriated up to 
$10,000,000 for each of fiscal years 2024 through 2028 to 
carry out this section. 
(e) DEFINITION.—In this section, the term ‘‘weather 
enterprise’’ has the meaning given such term in section 2 
of the Weather Research and Forecasting Innovation Act 
of 2017 (15 U.S.C. 8501). 
SEC. 3. AVIATION WEATHER AND TURBULENCE FORE-
CASTING COORDINATION. 
(a) IN GENERAL.—The Director of the National 
Weather Service shall include turbulence events or phe-
nomena, icing conditions, or other phenomena in the fore-
casting capabilities of the National Weather Service’s Avia-
tion Weather Center, and deliver operational forecasts with 
consistent, timely, and accurate weather and turbulence in-
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formation for the airspace system and the protection of lives 
and property. 
(b) COORDINATION.—In carrying out subsection (a), 
the Director of the National Weather Service shall— 
(1) give consideration to recommendations from 
the Administrator of the Federal Aviation Adminis-
tration in furtherance of section 44720 of title 49, 
United States Code; and 
(2) improve weather and turbulence forecasting 
capabilities by— 
(A) designating or establishing within the 
Federal Government an interagency working 
group to determine weather and environmental 
data or observation requirements, needs, and po-
tential solutions related to aviation weather and 
turbulence modeling or forecasting; 
(B) identifying current and future potential 
data gaps related to turbulence events or phe-
nomena that can— 
(i) identify or inform route specific 
flight planning; and 
(ii) be supplemented or filled by com-
mercial aviation tools; 
(C) transitioning research initiatives and 
pilot programs, including a pilot program of in-
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strumentation for observing greenhouse gases and 
other atmospheric factors deployed on commer-
cial aircraft and supporting the evaluation of a 
sustained observing network using such plat-
forms, into operations that improve the fore-
casting missions of the Aviation Weather Center; 
(D) developing and deploying improved 
probabilistic aviation weather forecast guidance 
technology; and 
(E) updating interagency agreements, as 
appropriate, including to address reimbursable 
agreements. 
SEC. 4. NEXT GENERATION AVIATION RESEARCH. 
Paragraph (3) of section 102(b) of the Weather Re-
search and Forecasting Innovation Act of 2017 (15 U.S.C. 
8512(b)), is amended— 
(1) by redesignating subparagraphs (F) and (G) 
as subparagraphs (G) and (H), respectively; and 
(2) by inserting after subparagraph (E) the fol-
lowing new subparagraph: 
‘‘(F) aviation weather phenomena, includ-
ing atmospheric composition and turbulence, to 
improve scientific understanding and forecast 
capabilities for the airspace system;’’. 
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Union Calendar No. 171 
118TH CONGRESS 
1ST SESSION 
H. R. 3915 
[Report No. 118–211] 
A BILL 
To improve the National Weather Service’s fore-
casting of turbulence and acquisition of aviation 
weather data, and for other purposes. 
SEPTEMBER 21, 2023 
Reported with an amendment, committed to the Com-
mittee of the Whole House on the State of the Union, 
and ordered to be printed 
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