Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 569, NWS Norman, OK

July 11, 2013Pottawatomie County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jul 11, 2013, 8:23 PM CDT for Pottawatomie County, Oklahoma. It was in force for 37 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: Jul 11, 2013, 8:23 PM CDT (01:23 UTC)
Expired: Jul 11, 2013, 9:00 PM CDT
In force: 37 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

County Pottawatomie County, OK

The radar

The Norman radar (KTLX), 33 km from the middle of the area, began a volume at 01:25 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 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 Jul 11, 6:38 PM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jul 11, 6:38 PM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, Jul 11, 3:31 PM CDT, 4 hours 52 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
331 PM CDT THU JUL 11 2013

OKZ004>048-050>052-TXZ083>090-121000-
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-
331 PM CDT THU JUL 11 2013

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

.DAY ONE...THROUGH TONIGHT...

THUNDERSTORM OUTLOOK...
ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE INTO THIS EVENING.
AN ISOLATED SEVERE STORM OR TWO MAY OCCUR...BUT WIDESPREAD SEVERE
WEATHER IS NOT EXPECTED.

DISCUSSION...
ALTHOUGH UPPER LEVEL SUPPORT WILL BE WEAK...STRONG HEATING AND WEAK
CONVERGENCE ALONG SURFACE BOUNDARIES HAS ALLOWED WIDELY SCATTERED
THUNDERSTORMS TO DEVELOP THIS AFTERNOON.

WIND SHEAR WILL REMAIN WEAK AND ORGANIZED SEVERE WEATHER IS NOT
EXPECTED. HOWEVER...ISOLATED STRONG STORMS MAY PRODUCE WIND GUSTS
TO NEAR 60 MPH ALONG WITH VERY HEAVY RAINFALL AND FREQUENT LIGHTNING.

STORMS WILL DIMINISH BY 10 PM WITH LOSS OF DAYTIME HEATING AND INCREASING
LOW LEVEL STABILITY.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT FRIDAY JUL 12.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...15 PERCENT.

OTHER HAZARDOUS WEATHER...
HOT WEATHER WILL PERSIST INTO THE WEEKEND. ALTHOUGH THE HEAT ADVISORY
HAS BEEN CANCELLED...WE ENCOURAGE YOU TO FOLLOW HEAT SAFETY GUIDELINES
TO PREVENT HEAT RELATED ILLNESS AND INJURY.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

THUNDERSTORM OUTLOOK...
DRY WEATHER IS EXPECTED TOMORROW AND SATURDAY...WITH LOW THUNDERSTORM
CHANCES RETURNING BY SUNDAY AFTERNOON. STORM CHANCES WILL THEN CONTINUE
THROUGH AT LEAST TUESDAY AS AN UPPER STORM SYSTEM IMPACTS THE AREA.
THE THREAT FOR SEVERE STORMS WILL REMAIN LOW.

OTHER HAZARDOUS WEATHER...
HOT AND MUGGY WEATHER WILL CONTINUE THROUGH THE END OF THE WEEK.
STEPS SHOULD BE TAKEN IN ORDER TO MINIMIZE THE ADVERSE HEALTH EFFECTS
OF THE HEAT. TRY TO LIMIT OUTDOOR ACTIVITIES DURING THE AFTERNOON
HOURS...DRINK PLENTY OF WATER. IF OUTSIDE TAKE FREQUENT BREAKS IN
THE SHADE...AND USE SUNSCREEN. IT IS ALSO ADVISED TO MAKE SURE OUTDOOR
PETS HAVE ACCESS TO SHADE AND FRESH WATER.

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

AUSTIN

In the hours before

Special weather statement, Jul 11, 5:28 PM CDT, 2 hours 55 minutes before

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Local storm report, Jul 11, 5:33 PM CDT, 2 hours 50 minutes before

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Special weather statement, Jul 11, 6:11 PM CDT, 2 hours 12 minutes before

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Special weather statement, Jul 11, 6:18 PM CDT, 2 hours 5 minutes before

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Special weather statement, Jul 11, 6:37 PM CDT, 1 hour 46 minutes before

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Special weather statement, Jul 11, 6:51 PM CDT, 1 hour 32 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
Jul 11, 7:05 PM CDT	Special Weather Statement	OUN	Lincoln	40 min
Jul 11, 7:17 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln	28 min
Jul 11, 7:26 PM CDT	Special Weather Statement	OUN	Marshall	34 min
Jul 11, 7:46 PM CDT	Special Weather Statement	OUN	Lincoln	29 min
Jul 11, 7:58 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie, Seminole	32 min
Jul 11, 8:06 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	24 min
Jul 11, 8:26 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	34 min
Jul 11, 8:54 PM CDT	Special Weather Statement	OUN	Pottawatomie	36 min
Jul 11, 8:59 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, McClain, Pottawatomie	31 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2013 Every severe thunderstorm 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.