Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 399, NWS Norman, OK

June 28, 2011Atoka County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 28, 2011, 7:04 PM CDT for Atoka County, Oklahoma. It was in force for 56 min. 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 28, 2011, 7:04 PM CDT (00:04 UTC)
Expired: Jun 28, 2011, 8:00 PM CDT
In force: 56 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

County Atoka County, OK

The radar

The Norman radar (KTLX), 155 km from the middle of the area, began a volume at 00:05 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 28, 3:53 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 28, 6:35 PM CDT, 29 minutes earlier.

Area forecast discussion, Jun 28, 6:35 PM CDT, 29 minutes before

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Hazardous weather outlook, Jun 28, 5:08 PM CDT, 1 hour 56 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATE
NATIONAL WEATHER SERVICE NORMAN OK
508 PM CDT TUE JUN 28 2011

OKZ004>048-050>052-TXZ083>090-291000-
HARPER-WOODS-ALFALFA-GRANT-KAY-ELLIS-WOODWARD-MAJOR-GARFIELD-NOBLE-
ROGER MILLS-DEWEY-CUSTER-BLAINE-KINGFISHER-LOGAN-PAYNE-BECKHAM-
WASHITA-CADDO-CANADIAN-OKLAHOMA-LINCOLN-GRADY-MCCLAIN-CLEVELAND-
POTTAWATOMIE-SEMINOLE-HUGHES-HARMON-GREER-KIOWA-JACKSON-TILLMAN-
COMANCHE-STEPHENS-GARVIN-MURRAY-PONTOTOC-COAL-COTTON-JEFFERSON-
CARTER-JOHNSTON-ATOKA-LOVE-MARSHALL-BRYAN-HARDEMAN-FOARD-WILBARGER-
WICHITA-KNOX-BAYLOR-ARCHER-CLAY-
508 PM CDT TUE JUN 28 2011

THIS HAZARDOUS WEATHER OUTLOOK COVERS NORTHERN...WESTERN...
CENTRAL...AND SOUTHERN OKLAHOMA...AND WESTERN NORTH TEXAS.

.DAY ONE...THROUGH TONIGHT...

THUNDERSTORM OUTLOOK...
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF
OKLAHOMA THROUGH LATE EVENING.

LOCATION...
THE SLIGHT RISK COVERS LOCATIONS NEAR AND EAST OF INTERSTATE-35 AND
SOUTH OF A PAULS VALLEY...TO ADA AND CALVIN LINE.

TIMING...
THE GREATEST LIKELIHOOD FOR SEVERE STORMS WILL BE 5 PM THROUGH 10 PM.

IMPACTS...
HAIL TO THE SIZE OF OF TENNIS BALLS AND WIND GUSTS TO 70 MPH.

DISCUSSION...
SCATTERED THUNDERSTORMS MAY BUILD LATE THIS AFTERNOON ACROSS
SOUTH-CENTRAL AND SOUTHEAST OKLAHOMA AND MOVE IN A SOUTHERLY
DIRECTION. VERY UNSTABLE CONDITIONS WILL EXIST ALONG WITH MARGINAL
DEEP LAYER WIND SHEAR. ENVIRONMENTAL CONDITIONS WILL BE SUPPORTIVE
OF VERY DAMAGING WIND AND HAIL. PERSONS OUTSIDE...ESPECIALLY BOATERS
ON AREA LAKES...SHOULD BE PREPARED TO TAKE SHELTER IF SKIES BEGIN TO
LOOK THREATENING.

IN ADDITION...THUNDERSTORMS DEVELOPING OVER THE COLORADO HIGH PLAINS
MAY WORK THEIR WAY INTO NORTHERN AND EVEN CENTRAL SECTIONS OF
OKLAHOMA LATE TONIGHT AND TOMORROW MORNING. SOME STRONG WINDS WILL
BE POSSIBLE WITH OVERNIGHT ACTIVITY...BUT ORGANIZED SEVERE STORMS
ARE NOT EXPECTED.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT WEDNESDAY JUN 29.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...60 PERCENT.

OTHER HAZARDOUS WEATHER...
NONE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY...

THUNDERSTORM OUTLOOK...
THERE MAY BE SOME LINGERING NON-SEVERE THUNDERSTORMS OVER CENTRAL
AND EASTERN OKLAHOMA WEDNESDAY MORNING. ISOLATED STORMS WILL ALSO BE
POSSIBLE WEDNESDAY AFTERNOON ACROSS THE RED RIVER VALLEY REGION
WHERE ANY OUTFLOW BOUNDARIES MAY EXIST.

OTHER HAZARDOUS WEATHER...
TEMPERATURES WILL INCREASE...LEADING TO VERY HOT CONDITIONS
REGION-WIDE BY LATE WEEK AND INTO THE HOLIDAY WEEKEND. PLAN AHEAD
AND WORK DURING THE EARLY MORNING OR EVENING HOURS TO AVOID HEAT
RELATED ILLNESSES. IF OUTDOORS THIS HOLIDAY WEEKEND...BE SURE TO USE
SUNSCREEN...DRINK PLENTY OF WATER OR SPORT DRINKS...AND SEEK SHADY
AREAS IF THEY ARE AVAILABLE.

EXCEPTIONAL DROUGHT CONDITIONS ACROSS WESTERN OKLAHOMA AND WESTERN
NORTH TEXAS WILL CONTINUE TO ELEVATE THE RISK OF WILDFIRES ON HOT
AND WINDY DAYS THROUGH EARLY NEXT WEEK.

THE NEXT SCHEDULED HAZARDOUS WEATHER OUTLOOK WILL BE ISSUED BY 5 AM
WEDNESDAY MORNING.

In the hours before

Special weather statement, Jun 28, 5:08 PM CDT, 1 hour 56 minutes before

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Special weather statement, Jun 28, 5:09 PM CDT, 1 hour 55 minutes before

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Special weather statement, Jun 28, 5:54 PM CDT, 1 hour 10 minutes before

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Local storm report, Jun 28, 6:42 PM CDT, 22 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 28, 7:35 PM CDT	Special Weather Statement	OUN	Bryan	40 min
Jun 28, 7:44 PM CDT	Special Weather Statement	OUN	Coal	46 min
Jun 28, 7:47 PM CDT	Severe Thunderstorm Warning	OUN	Coal	43 min
Jun 28, 8:01 PM CDT	Special Weather Statement	OUN	Atoka	44 min
Jun 28, 8:06 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	39 min
Jun 28, 8:28 PM CDT	Special Weather Statement	OUN	Johnston	47 min
Jun 28, 8:48 PM CDT	Special Weather Statement	OUN	Bryan	42 min
Jun 28, 9:15 PM CDT	Special Weather Statement	OUN	Garvin, Murray	45 min
Jun 28, 9:48 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Murray	30 min
Jun 28, 10:48 PM CDT	Special Weather Statement	OUN	Harper	57 min
Jun 28, 11:07 PM CDT	Severe Thunderstorm Warning	OUN	Harper	38 min
Jun 28, 11:14 PM CDT	Special Weather Statement	OUN	Ellis	46 min
Jun 28, 11:16 PM CDT	Severe Thunderstorm Warning	OUN	Ellis	44 min
Jun 28, 11:42 PM CDT	Special Weather Statement	OUN	Ellis, Harper, Woodward	63 min
Jun 29, 12:20 AM CDT	Severe Thunderstorm Warning	OUN	Ellis, Woodward	40 min
Jun 29, 12:50 AM CDT	Special Weather Statement	OUN	Woods, Woodward	55 min
Jun 29, 1:39 AM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Woods	51 min
Jun 29, 1:47 AM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey, Major	43 min
Jun 29, 2:06 AM CDT	Special Weather Statement	OUN	Alfalfa, Beckham, Blaine, Custer, Dewey, Garfield and 5 more	39 min
Jun 29, 2:47 AM CDT	Special Weather Statement	OUN	Beckham, Blaine, Caddo, Canadian, Custer, Kingfisher and 3 more	43 min
Jun 29, 3:38 AM CDT	Fire Weather Watch	OUN	Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 12 more	24 hr
Jun 29, 4:01 AM CDT	Special Weather Statement	OUN	Blaine, Canadian, Custer, Dewey, Kingfisher	44 min
Jun 29, 4:44 AM CDT	Special Weather Statement	OUN	Oklahoma	31 min
Jun 29, 5:08 AM CDT	Special Weather Statement	OUN	Garfield, Grant, Kingfisher	37 min
Jun 29, 5:22 AM CDT	Special Weather Statement	OUN	Canadian, Oklahoma	38 min
Jun 29, 6:04 AM CDT	Special Weather Statement	OUN	Grady	41 min
Jun 29, 8:11 AM CDT	Special Weather Statement	OUN	Cleveland	19 min
Jun 29, 6:27 PM CDT	Special Weather Statement	OUN	Pontotoc	18 min
Jun 29, 6:51 PM CDT	Special Weather Statement	OUN	Pontotoc	24 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2011 Every severe thunderstorm warning in 2011

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.