Alert archive / Oklahoma / Heat Advisories in 2018

Heat Advisory 4, NWS Tulsa, OK

June 27, 201822 counties in Oklahoma; Benton County, Carroll County, Arkansas

NWS Tulsa, OK issued this heat advisory at Jun 27, 2018, 3:21 PM CDT for 22 counties in Oklahoma; Benton County, Carroll County, Arkansas. It took effect at Jun 28, 2018, 1:00 PM CDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jun 27, 2018, 3:21 PM CDT (20:21 UTC)
In effect from
Jun 28, 2018, 1:00 PM CDT
Expired
Jun 28, 2018, 9:00 PM CDT
In force
8 hr
Issued by
NWS Tulsa, OK
All 24 counties

Benton County, AR, Carroll County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Pushmataha County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 39 km from the middle of the area, began a volume at 20:22 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this heat advisory went out at Jun 26, 6:33 PM CDT, 20 hours 48 minutes earlier.

Area forecast discussion, Jun 26, 6:33 PM CDT, 20 hours 48 minutes before
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Hazardous weather outlook, Jun 26, 5:06 PM CDT, 22 hours 15 minutes before
Hazardous Weather Outlook
National Weather Service Tulsa OK
506 PM CDT Tue Jun 26 2018

ARZ001-002-010-011-019-020-029-OKZ049-053>076-271015-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
506 PM CDT Tue Jun 26 2018

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...This afternoon and Tonight.

SEVERE THUNDERSTORM.
	RISK...Elevated.
	AREA...Primarily far northeast Oklahoma and far northwest Arkansas.
	ONSET...Ongoing...diminishing by 8 PM.

DANGEROUS HEAT.
	RISK...Limited.
	AREA...Much of eastern Oklahoma and west central Arkansas.
	ONSET...Ongoing...improving after sunset.

DISCUSSION...
A line of strong storms continue across far northeast Oklahoma into
far northwest Arkansas.  Gusty winds will be common with these storms
but the risk of severe weather appears to be diminishing.  The
overall chances for additional severe storms will continue to
diminish by the early evening hours.

Additionally, heat index values of 100 to 105 degrees will continue
across much of eastern Oklahoma and west central Arkansas through
the late afternoon hours.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Likely.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
WEDNESDAY through FRIDAY...Dangerous Heat Potential.
SATURDAY...Thunderstorm Potential...Dangerous Heat Potential.
SUNDAY and MONDAY...Thunderstorm Potential.

EXTENDED DISCUSSION...
Temperatures will continue to warm through mid week as upper level
high pressure builds over the southern plains. Warmer temperatures
will combine with higher dewpoints already in place, and will
likely result in heat index values between 105 and 110 for most of
eastern Oklahoma and west central Arkansas Wednesday through Friday.
A heat advisory is in effect for much of the region.

Low end thunderstorm chances will return over the weekend
along with slightly cooler temperatures in conjunction with an
approaching frontal boundary.

weather.gov/tulsa contains additional information.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 11:48 PM CDTSpecial Weather StatementTSAWashington27 min

Nearby

Heat Advisories in Oklahoma, 2018Heat Advisories in Arkansas, 2018Every heat advisory in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.