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June 11, 2021
By Mary HightowerU of A System Division of Agriculture
(680 words)(Newsrooms – with art at https://flic.kr/s/aHsmVXAw4Z)
ROHWER, Ark. — The Rohwer Research Station in Desha County is known for hosting row
crop variety trials as well as pest management and soil fertility experiments. This
week it earned a bit of notoriety in another field: weather.
The 19.22 inches of rain recorded at the Rohwer Research Station in Desha County on
Tuesday morning represented the second-highest rain total ever recorded in Arkansas
during a 48-hour period, according to the National Weather Service. The deluge came
during a week of persistent storms that prompted flood and tornado warnings across
Arkansas. The one 48-hour rain total ahead of Rohwer’s is the 21.45 inches of rain
that fell over two days ending Dec. 4, 1982.
The Rohwer Research Station is one of thousands of locations across the United States
that are part of the National Weather Service Cooperative Observer Program. Formed
in 1890, the program’s mission is to provide weather data including the daily maximum
and minimum temperatures and 24-hour precipitation totals.
“All of this goes into the climate records we keep across Arkansas,” said Sean Clarke,
observation program leader for the National Weather Service at Little Rock. “This
is how we determine the normals for each state. It’s valuable data for us to have
climate data across many years and keep track of it.
“The day-to-day observations are also useful for determining river flooding (levels)
and the issuing of river flood warnings as well,” he said. “This also goes into the
drought monitor. The data is used to determine what the levels of drought are by the
Rohwer is part of a collection of facilities around Arkansas that perform the land
grant research function within the University of Arkansas System Division of Agriculture.
Clarke said his office has been working with the experiment stations for decades.
In addition to Rohwer, the weather service gets daily measurements from the Fruit
Research Station in Clarksville, the Rice Research and Extension Center in Stuttgart
and the Livestock and Forestry Research Station at Batesville. Clarke also said the
campus police department at the University of Arkansas at Monticello is also part
of the Cooperative Observer Program.
The Division of Agriculture’s Southwest Research and Extension Center in Hope has
been an observer for the National Weather Service in Shreveport for more than 75 years.
Hope is within the Shreveport office’s warning area.
Clarke said stations such as Rohwer use equipment provided by the National Weather
“It’s low tech, compared to what is available now,” he said. Without electronic inputs
or other connections, Clarke said “It’s more reliable. There’s nothing to break. We
measure the rain with a cylinder that’s 8 inches in diameter and put a measuring stick
in it every day.”
Larry Earnest, director of the Rohwer station for the Division of Agriculture, said
several people share the job of measuring and reporting the findings. He said the
rain gauge has been at the station since 1958 or 59.
“It was old when I got here,” he joked.
Earnest said that when he and program associate Scott Hayes emptied the gauge on Monday,
it read 9.25 inches. On Tuesday, they noted 9.97 inches, adding up to their almost-record
total. Randy Spurlock also shares in the reporting duties and has since 1995.
Earnest said the effects of the heavy rain and flooding on the research plots was
“disheartening.” However, on Wednesday afternoon, he said water levels in the field
had “already fallen by 6-8 inches. Tonight, we hope most of the water will come off
the cotton and hope the soybeans will be OK.
“I may be a little more optimistic than I need to be,” Earnest said.
Rohwer is important as a data point for the National Weather Service.
“We don’t have a lot of observers in southeastern Arkansas,” Clarke said, adding that
the weather service is always looking for volunteers around Dumas and McGehee to help
record and report weather information. For more information about the observer network
To learn about extension programs in Arkansas, contact your local Cooperative Extension
Service agent or visit www.uaex.uada.edu. To learn more about Division of Agriculture research, visit the Arkansas Agricultural
Experiment Station website: https://aaes.uark.edu. To learn more about the Division of Agriculture, visit https://uada.edu/
Follow us on Twitter at @AgInArk, @AR_Extension or @ArkAgResearch.
About the Division of Agriculture
The University of Arkansas System Division of Agriculture’s mission is to strengthen
agriculture, communities, and families by connecting trusted research to the adoption
of best practices. Through the Agricultural Experiment Station and the Cooperative
Extension Service, the Division of Agriculture conducts research and extension work
within the nation’s historic land grant education system.
The Division of Agriculture is one of 20 entities within the University of Arkansas
System. It has offices in all 75 counties in Arkansas and faculty on five system campuses.
The University of Arkansas System Division of Agriculture offers all its Extension
and Research programs and services without regard to race, color, sex, gender identity,
sexual orientation, national origin, religion, age, disability, marital or veteran
status, genetic information, or any other legally protected status, and is an Affirmative
Action/Equal Opportunity Employer.
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Media contact: Mary Hightower email@example.com 501-671-2006