Alert archive / Oklahoma / Excessive Heat Warnings in 2013

Excessive Heat Warning 1, NWS Tulsa, OK

June 26, 201320 counties in Oklahoma

NWS Tulsa, OK issued this excessive heat warning at Jun 26, 2013, 3:25 AM CDT for 20 counties in Oklahoma. It took effect at Jun 26, 2013, 5:00 AM CDT. It was in force for 40 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 26, 2013, 3:25 AM CDT (08:25 UTC)
In effect from
Jun 26, 2013, 5:00 AM CDT
Expired
Jun 27, 2013, 9:00 PM CDT
In force
40 hr
Issued by
NWS Tulsa, OK

Counties Adair County, OK, Cherokee 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, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 23 km from the middle of the area, began a volume at 08:24 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 excessive heat warning 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 excessive heat warning went out at Jun 26, 3:21 AM CDT, 4 minutes earlier.

Area forecast discussion, Jun 26, 3:21 AM CDT, 4 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
321 AM CDT WED JUN 26 2013

.DISCUSSION...
EXCESSIVE HEAT WILL BE THE MAIN CONCERN OVER THE NEXT COUPLE OF DAYS
BEFORE A PATTERN CHANGE RETURNS THE REGION TO A PERIOD OF SLIGHTLY
BELOW SEASONAL AVERAGE TEMPERATURES.

A STRONG UPPER RIDGE BUILDING ACROSS THE SOUTHERN PLAINS SHOWS NO
SIGNS OF RELENTING. TEMPERATURES WILL CONTINUE WELL ABOVE SEASONAL
AVERAGES THROUGH FRIDAY... BOTH DURING THE DAY AND OVERNIGHT.
TEMPERATURES SHOULD TOP THE CENTURY MARK IN A FEW LOCATIONS THURSDAY
AFTERNOON. LOW LEVEL MOISTURE IS EXPECTED TO REMAIN ESPECIALLY HIGH
DURING THIS TIME PERIOD AS WELL... WHICH WILL PRODUCE AFTERNOON HEAT
INDICES BETWEEN 105 AND 110 ACROSS MUCH OF THE CWA. IN ADDITION... A
LARGE PORTION OF THE AREA WILL NOT COOL BELOW 75 DEGREES OVERNIGHT.

DEWPOINTS WILL BE THE CONTROLLING FACTOR THROUGH FRIDAY. THE CURRENT
FORECAST IS FOR DEWPOINTS TO REMAIN ABOVE 70 DEGREES DURING THE
AFTERNOON BOTH TODAY AND THURSDAY. IF THIS VERIFIES... IT WILL
CREATE DANGEROUS HEAT CONDITIONS. THIS PROLONGED PERIOD OF EXCESSIVE
HEAT WITH LITTLE COOLING RELIEF DURING THE OVERNIGHT HOURS WILL MEET
CRITERIA FOR AN EXCESSIVE HEAT WARNING... SO WILL GO AHEAD WITH THAT
FOR THIS MORNINGS FORECAST PACKAGE. IN FACT... SINCE MINIMUMS THIS
MORNING WILL REMAIN ABOVE 75 DEGREES FOR MUCH OF THE AREA... WILL
HAVE THIS IN EFFECT FROM THIS MORNING AND EXTEND IT THROUGH
FRIDAY AFTERNOON.

AN UNSEASONABLY STRONG UPPER TROUGH AND ASSOCIATED COLD FRONT IS
EXPECTED TO PROVIDE SOME RELIEF FROM THE HEAT BEGINNING FRIDAY. THE
RELIEF WILL NOT BE IMMEDIATE... BUT AS DRIER POST-FRONTAL AIR
FILTERS INTO THE REGION CONDITIONS WILL SLOWLY IMPROVE. BY THE EARLY
PART OF NEXT WEEK... HIGHS ONLY IN THE 80S WITH OVERNIGHT LOWS IN
THE 60S WILL BE COMMON ACROSS MOST OF THE CWA.

UNFORTUNATELY... PRECIPITATION CHANCES WITH THE APPROACHING SYSTEM
APPEAR TO BE MINIMAL. HAVE CURRENTLY ONLY BEEN ABLE TO JUSTIFY A
SLIGHT CHANCE ACROSS THE NORTHEASTERN THIRD OF THE FORECAST AREA FOR
THURSDAY NIGHT INTO FRIDAY MORNING WITH FRONTAL PASSAGE. ANOTHER...
PERHAPS BETTER CHANCE FOR PRECIPITATION WILL BE OVERNIGHT SATURDAY
NIGHT INTO EARLY SUNDAY MORNING.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   97  77 100  78 /  10   0   0  20
FSM   97  75 100  78 /  10   0   0  10
MLC   96  76  99  77 /   0   0   0  10
BVO   98  74 101  75 /  10  10   0  20
FYV   94  72  96  73 /  10  10   0  20
BYV   95  73  95  73 /  10  10   0  20
MKO   96  75  99  76 /  10   0   0  10
MIO   97  75  99  76 /  10  10  10  20
F10   95  76  99  77 /  10   0   0  10
HHW   96  76  98  76 /   0   0  10  10

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...EXCESSIVE HEAT WARNING UNTIL 7 PM FRIDAY FOR OKZ054-OKZ055-
     OKZ056-OKZ057-OKZ058-OKZ059-OKZ060-OKZ061-OKZ062-OKZ063-
     OKZ064-OKZ065-OKZ066-OKZ067-OKZ068-OKZ069-OKZ070-OKZ071-
     OKZ072-OKZ073-OKZ074-OKZ075-OKZ076.

AR...EXCESSIVE HEAT WARNING UNTIL 7 PM FRIDAY FOR ARZ019-ARZ020-
     ARZ029.

&&

SHORT TERM...69
LONG TERM....06
Hazardous weather outlook, Jun 25, 9:31 PM CDT, 5 hours 54 minutes before
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 6:10 PM CDTSpecial Weather StatementTSABenton35 min

Nearby

Excessive Heat Warnings in Oklahoma, 2013Excessive Heat Warnings in Arkansas, 2013Every excessive heat warning in 2013

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.