Alert archive / Oklahoma / Red Flag Warnings in 2008

Red Flag Warning 33, NWS Norman, OK

June 5, 2008Ellis County, Harper County, Woodward County, Oklahoma

NWS Norman, OK issued this red flag warning at Jun 5, 2008, 4:34 AM CDT for Ellis County, Harper County, Woodward County, Oklahoma. It took effect at Jun 5, 2008, 1:00 PM CDT. It was in force for 8 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 5, 2008, 4:34 AM CDT (09:34 UTC)
In effect from: Jun 5, 2008, 1:00 PM CDT
Expired: Jun 5, 2008, 9:00 PM CDT
In force: 8 hr
Issued by: NWS Norman, OK

Counties Ellis County, OK, Harper County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 131 km from the middle of the area, began a volume at 09:35 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 red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Norman, OK wrote its last area forecast discussion before this red flag warning went out at Jun 5, 4:22 AM CDT, 12 minutes earlier.

Area forecast discussion, Jun 5, 4:22 AM CDT, 12 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
422 AM CDT THU JUN 5 2008

.DISCUSSION...
AN UNSEASONABLY STRONG UPPER-LEVEL LOW IS CURRENTLY SPINNING OVER
THE ARIZONA/UTAH BORDER... AND WILL CONTINUE TO APPROACH THE
SOUTHERN PLAINS THIS MORNING... THEN TURN NORTH THIS AFTERNOON AND
EVENING. THE EFFECTS OF THIS STORM AT GROUND LEVEL WILL INCLUDE
SEVERAL MAJOR ITEMS....

FIRST... A DEEP LOW PRESSURE SYSTEM CENTERED OVER SOUTHWEST KANSAS
THIS MORNING WILL BEGIN TO MOVE NORTHEAST... THEN NORTH...
TODAY... AND THE ASSOCIATED PRESSURE GRADIENT WILL RESULT IN VERY
STRONG WINDS ACROSS ALL OF OKLAHOMA AND NORTH TEXAS. WE WILL
EXPAND OUR EXISTING WIND ADVISORY TO INCLUDE OUR ENTIRE FORECAST
AREA FOR TODAY AND EARLY THIS EVENING. THE DAY SHIFT WILL NEED TO
MONITOR CONDITIONS CLOSELY IN CASE AN UPGRADE TO A HIGH WIND
WARNING BECOMES NECESSARY... MOST LIKELY IN OUR WESTERN COUNTIES.

SECOND... THE COMBINATION OF THE STRONG WINDS WITH LOW RELATIVE
HUMIDITIES BEHIND THE DRYLINE THIS AFTERNOON... AND TEMPERATURES
IN THE MID 90S... WILL REQUIRE US TO ONCE AGAIN HOIST THE RED FLAG
IN OUR NORTHWEST THREE COUNTIES THAT HAVE VEGETATION SUPPORTIVE OF
WILDFIRES.

AND FINALLY... AND PERHAPS MOST IMPORTANTLY... THE STORM WILL MOVE
INTO AN AREA OF STRONG POTENTIAL INSTABILITY AND WILL HELP
GENERATE PARTICULARLY STRONG WIND FIELDS. FORECAST HODOGRAPHS FOR
THIS EVENING ARE PARTICULARLY IMPRESSIVE... SUGGESTING THE
POTENTIAL FOR TORNADOES... AND THE USUAL COMPLEMENTS OF VERY LARGE
HAIL AND DAMAGING STRAIGHT-LINE WINDS. INDICATIONS ARE THAT THE
MID-LEVEL CAP WHICH PREVENTED STORMS YESTERDAY WILL BE OVERCOME BY
LATE THIS AFTERNOON IN THE AREA JUST EAST OF THE DRYLINE. THIS
DRYLINE IS FORECAST TO BE ACROSS WESTERN OKLAHOMA... APPROXIMATELY
FROM WOODWARD TO CHEYENNE... LATE THIS AFTERNOON. WIND PROFILES
SUGGEST THAT STORMS WILL INITIALLY MOVE QUICKLY TOWARD THE
NORTHEAST... ALTHOUGH LEFT- AND RIGHT-MOVERS WOULD OBVIOUSLY
DEVIATE FROM THIS AVERAGE TRACK. THE ORIENTATION OF THE DRYLINE
AND THE AVERAGE STORM TRACK MAY LEAD TO TRAINING OF STORMS... AND
LOCALLY HEAVY RAINFALL.

IN SHORT... A SUBSTANTIAL SEVERE WEATHER EVENT IS LIKELY THIS
EVENING AND OVERNIGHT ACROSS MOST OF OUR FORECAST AREA.

FOR FRIDAY AND BEYOND... THE MAIN STORM SYSTEM MOVES AWAY FROM THE
SOUTHERN PLAINS ON FRIDAY... GRADUALLY REDUCING THE CHANCES FOR
STORMS. THERE MAY STILL BE SOME SEVERE WEATHER EARLY FRIDAY OVER
OUR EASTERN COUNTIES... AND SOME AFTERNOON DEVELOPMENT MAY OCCUR
OVER MUCH THE SAME AREA... WITH A DECREASED RISK OF SEVERITY. THE
WEEKEND LOOKS LIKE IT WILL BE RAIN-FREE... BUT WINDS WILL
RETURN... AND THE HEAT AND HUMIDITY WILL REMAIN. NEXT WEEK ALSO
LOOKS QUITE WARM... WINDY... AND HUMID... AND THERE IS A CHANCE OF
STORMS AGAIN AROUND THE MIDDLE OF THE WEEK.

&&

.PRELIMINARY POINT TEMPS/POPS...
OKLAHOMA CITY OK  92  70  89  72 /  20  60  20  10
HOBART OK         97  69  95  72 /  20  50  20  10
WICHITA FALLS TX  98  74  92  75 /  10  40  20  10
GAGE OK           93  58  91  72 /  20  20  10  10
PONCA CITY OK     91  71  87  75 /  20  70  20  10
DURANT OK         92  73  87  74 /  10  30  20  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...WIND ADVISORY UNTIL 9 PM CDT THIS EVENING FOR OKZ004>048-050>052.

     RED FLAG WARNING FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS
     EVENING FOR OKZ004-009-010.

TX...WIND ADVISORY UNTIL 9 PM CDT THIS EVENING FOR TXZ083>090.

&&

24/23

Hazardous weather outlook, Jun 4, 8:55 PM CDT, 7 hours 39 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 4:16 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Dewey, Major, Woods	44 min
Jun 5, 4:25 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	65 min
Jun 5, 4:29 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Greer, Washita	46 min
Jun 5, 4:33 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey	42 min
Jun 5, 4:54 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Dewey, Garfield, Grant, Major and 1 more	51 min
Jun 5, 4:58 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer	17 min
Jun 5, 5:13 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Blaine, Custer, Dewey, Washita	32 min
Jun 5, 5:16 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant	59 min
Jun 5, 5:40 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Custer, Dewey, Garfield, Grant and 3 more	50 min
Jun 5, 6:16 PM CDT	Areal Flood Advisory	OUN	Custer, Dewey	3 hr
Jun 5, 6:21 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Beckham, Blaine, Caddo, Custer, Dewey and 8 more	54 min
Jun 5, 6:41 PM CDT	Areal Flood Advisory	OUN	Alfalfa, Garfield, Grant, Major	3 hr
Jun 5, 6:45 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Harmon, Jackson, Kiowa	45 min

Nearby

Red Flag Warnings in Oklahoma, 2008 Every red flag warning in 2008

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.