Alert archive / Oklahoma / Flash Flood Warnings in 2010

Flash Flood Warning 22, NWS Norman, OK

July 7, 2010Caddo County, Comanche County, Kiowa County, Oklahoma

NWS Norman, OK issued this flash flood warning at Jul 7, 2010, 2:17 PM CDT for Caddo County, Comanche County, Kiowa County, Oklahoma. It was in force for 4 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
Jul 7, 2010, 2:17 PM CDT (19:17 UTC)
Expired
Jul 7, 2010, 6:15 PM CDT
In force
4 hr
Issued by
NWS Norman, OK
Area
Storm-based polygon
Flood severity
None

Counties Caddo County, OK, Comanche County, OK, Kiowa County, OK

The radar

The Altus AFB radar (KFDR), 70 km from the middle of the area, began a volume at 19:18 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 flash flood 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 flash flood warning went out at Jul 7, 1:06 PM CDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jul 7, 1:06 PM CDT, 1 hour 11 minutes before
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Hazardous weather outlook, Jul 7, 11:50 AM CDT, 2 hours 27 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE NORMAN OK
1150 AM CDT WED JUL 7 2010

OKZ004>048-050>052-TXZ083>090-081000-
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-
1150 AM CDT WED JUL 7 2010

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

.DAY ONE...TODAY AND TONIGHT...

THUNDERSTORM OUTLOOK...
SEVERE THUNDERSTORMS ARE NOT EXPECTED.

DISCUSSION...
A DEEP LAYER OF VERY MOIST AIR WILL PERSIST OVER THE SOUTHERN
PLAINS... RESULTING IN A CONTINUATION OF SHOWERS AND THUNDERSTORMS.
THE VERTICAL WIND SHEAR WILL REMAIN RELATIVELY WEAK ACROSS THE AREA
THROUGH TONIGHT. HOWEVER... DAYTIME HEATING COULD RESULT IN
SUFFICIENT INSTABILITIES TO SUPPORT A FEW THUNDERSTORMS PRODUCING
BRIEF STRONG WINDS TO NEAR 50 MPH THIS AFTERNOON AND EARLY EVENING.
THE PRIMARY CONCERNS CONTINUE TO BE HEAVY RAINFALL.

PROBABILITY TABLE...
VALID THROUGH 700 AM CDT THURSDAY JUL 8.
PROBABILITY OF THUNDERSTORMS OCCURRING IN THE
              NWS NORMAN COUNTY WARNING AREA...100 PERCENT.
PROBABILITY OF SEVERE STORMS IF STORMS OCCUR...10 PERCENT.

OTHER HAZARDOUS WEATHER...
THE PERSISTENT...GREAT AMOUNT OF MOISTURE IN THE ATMOSPHERE...AND
THE SLOW MOVEMENT OF THUNDERSTORMS... WILL AGAIN SUPPORT LOCALLY
HEAVY RAINFALL. MEANWHILE...AN UPPER DISTURBANCE OVER SOUTHEAST
OKLAHOMA WILL CONTINUE TO DRIFT NORTH AND NORTHWEST TODAY BRINGING A
CHANCE OF HEAVY RAIN TO PARTS OF SOUTHEAST OKLAHOMA. FINALLY...
ADDITIONAL SHOWER AND THUNDERSTORM DEVELOPMENT WILL LIKELY OCCUR
THIS AFTERNOON AND EVENING NEAR WEAK BOUNDARIES GENERATED FROM
EARLIER THUNDERSTORM ACTIVITY. SEE THE FLASH FLOOD WATCH PRODUCT FOR
FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THUNDERSTORM OUTLOOK...
WHILE THE SEVERE WEATHER POTENTIAL WILL REMAIN MINIMAL... THE
POTENTIAL FOR HEAVY RAIN AND FLOODING WILL CONTINUE INTO FRIDAY AS
DEEP TROPICAL MOISTURE CONTINUES TO FLOW INTO THE SOUTHERN PLAINS.
THE FLOODING THREAT MAY BECOME PARTICULARLY WIDESPREAD ON THURSDAY
NIGHT AND EARLY FRIDAY...AS A COLD FRONT CONVERGES WITH EVEN DEEPER
TROPICAL MOISTURE MOVING UP FROM THE GULF COAST.

ALTHOUGH PRECIPITATION CHANCES WILL DECREASE SOMEWHAT BY FRIDAY
NIGHT...THE MOISTURE CONTENT IN THE ATMOSPHERE IS NOT EXPECTED TO
DECREASE IN ANY SUBSTANTIAL WAY. THUS...THERE WILL BE A RISK OF
FLOODING WHEREVER STORMS CAN DEVELOP...EVEN GOING INTO THE UPCOMING
WEEKEND.

OTHER HAZARDOUS WEATHER...
NONE.

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

CJS/30

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 7:38 PM CDTAreal Flood AdvisoryOUNCaddo, Kiowa, Washita3 hr
Jul 6, 8:19 PM CDTRiver Flood WarningOUNCotton, Jefferson, Tillman42 hr
Jul 6, 11:20 PM CDTAreal Flood AdvisoryOUNBeckham, Roger Mills3 hr
Jul 7, 12:10 AM CDTFlash Flood WarningOUNBeckham3 hr
Jul 7, 2:59 AM CDTFlash Flood WarningOUNBeckham, Custer, Roger Mills, Washita3 hr
Jul 7, 4:12 AM CDTFlash Flood WatchOUNAlfalfa, Atoka, Beckham, Blaine, Bryan, Caddo and 41 more72 hr
Jul 7, 5:31 AM CDTAreal Flood AdvisoryOUNBeckham, Roger Mills3 hr
Jul 7, 7:10 AM CDTAreal Flood AdvisoryOUNKiowa, Washita3 hr
Jul 7, 10:42 AM CDTRiver Flood WarningOUNLincoln, Oklahoma, Pottawatomie3 hr
Jul 7, 1:36 PM CDTAreal Flood AdvisoryOUNAtoka3 hr
Jul 7, 1:50 PM CDTAreal Flood AdvisoryOUNCaddo, Kiowa3 hr
Jul 7, 1:50 PM CDTRiver Flood WarningOUNCotton13 hr
Jul 7, 2:30 PM CDTFlash Flood WarningOUNCaddo, Canadian4 hr
Jul 7, 4:06 PM CDTAreal Flood AdvisoryOUNGarfield3 hr
Jul 7, 4:32 PM CDTAreal Flood AdvisoryOUNTillman3 hr
Jul 7, 5:29 PM CDTAreal Flood AdvisoryOUNKay3 hr

Nearby

Flash Flood Warnings in Oklahoma, 2010Every flash flood warning in 2010

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.