Alert archive / Oklahoma / Flash Flood Watches in 2015

Flash Flood Watch 15, NWS Tulsa, OK

December 12, 201514 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this flash flood watch at Dec 12, 2015, 10:26 AM CST for 14 counties in Oklahoma; 4 counties in Arkansas. It took effect at Dec 12, 2015, 6:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued: Dec 12, 2015, 10:26 AM CST (16:26 UTC)
In effect from: Dec 12, 2015, 6:00 PM CST
Expired: Dec 13, 2015, 12:00 PM CST
In force: 18 hr
Issued by: NWS Tulsa, OK
Flood severity: None

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Choctaw County, OK, Craig County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Ottawa County, OK, Pittsburg County, OK, Pushmataha County, OK, Wagoner County, OK

The radar

The Western Arkansas radar (KSRX), 72 km from the middle of the area, began a volume at 16:24 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 flash flood watch 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 flash flood watch went out at Dec 12, 9:39 AM CST, 47 minutes earlier.

Area forecast discussion, Dec 12, 9:39 AM CST, 47 minutes before

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Hazardous weather outlook, Dec 12, 5:19 AM CST, 5 hours 7 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
519 AM CST SAT DEC 12 2015

ARZ001-002-010-011-019-020-029-OKZ049-053>076-131100-
ADAIR OK-BENTON AR-CARROLL AR-CHEROKEE OK-CHOCTAW OK-CRAIG OK-
CRAWFORD AR-CREEK OK-DELAWARE OK-FRANKLIN AR-HASKELL OK-LATIMER OK-
LE FLORE OK-MADISON AR-MAYES OK-MCINTOSH OK-MUSKOGEE OK-NOWATA OK-
OKFUSKEE OK-OKMULGEE OK-OSAGE OK-OTTAWA OK-PAWNEE OK-PITTSBURG OK-
PUSHMATAHA OK-ROGERS OK-SEBASTIAN AR-SEQUOYAH OK-TULSA OK-WAGONER OK-
WASHINGTON OK-WASHINGTON AR-
519 AM CST SAT DEC 12 2015

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORM.
	RISK...LIMITED.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...TONIGHT.

FLASH FLOOD.
	RISK...ELEVATED.
	AREA...MAINLY FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...TONIGHT.

HEAVY RAIN.
	RISK...SIGNIFICANT.
	AREA...EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.
	ONSET...TONIGHT.

	AREA AT GREATEST RISK...FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS.

DISCUSSION...
A STRONG STORM SYSTEM WILL MOVE EAST INTO THE SOUTHERN PLAINS
TONIGHT. AHEAD OF THIS SYSTEM...SHOWERS AND A FEW THUNDERSTORMS
WILL BEGIN TO DEVELOP ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS LATE THIS AFTERNOON AND WILL INCREASE IN COVERAGE AND
INTENSITY THIS EVENING AND OVERNIGHT.

INSTABILITY WILL BE LIMITED THIS EVENING AND OVERNIGHT BUT VERY
STRONG WIND FIELDS ALOFT WILL BE PRESENT SO A FEW SEVERE
THUNDERSTORMS WITH DAMAGING WIND GUSTS WILL BE POSSIBLE. AN
ISOLATED BRIEF TORNADIC SPINUP CANNOT TOTALLY BE RULED OUT
EITHER...ESPECIALLY IN SOUTHEAST OKLAHOMA.

HEAVY RAINFALL AMOUNTS WILL BE LIKELY IN SOME PLACES...ESPECIALLY
IN FAR EASTERN OKLAHOMA AND NORTHWEST ARKANSAS. THIS MAY RESULT IN
SOME LOCALIZED AREAS OF FLASH FLOODING. MAINSTEM RIVER FLOODING
MAY ALSO OCCUR IN A FEW SPOTS.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
LOCAL SPOTTER ACTIVATION MAY BE NEEDED.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.
SUNDAY...THUNDERSTORM POTENTIAL...HEAVY RAIN POTENTIAL.
MONDAY THROUGH FRIDAY...NO HAZARDS.

EXTENDED DISCUSSION...
THE THUNDERSTORM AND HEAVY RAIN POTENTIAL WILL LINGER INTO EARLY
SUNDAY WITH CONDITIONS IMPROVING BY THE AFTERNOON HOURS. DRY
WEATHER WILL THEN PREVAIL FOR MUCH OF THE NEXT WEEK.

WWW.SRH.NOAA.GOV/TULSA CONTAINS ADDITIONAL INFORMATION.

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 12, 7:11 AM CST	River Flood Warning	TSA	Ottawa	4 days
Dec 12, 7:32 AM CST	River Flood Warning	TSA	Adair	62 hr
Dec 12, 7:33 AM CST	River Flood Warning	TSA	Cherokee	4 days
Dec 12, 8:41 AM CST	River Flood Warning	TSA	Pushmataha	53 hr
Dec 12, 9:05 AM CST	River Flood Warning	TSA	LeFlore	55 hr
Dec 12, 9:06 AM CST	River Flood Warning	TSA	LeFlore	4 days

Nearby

Flash Flood Watches in Oklahoma, 2015 Flash Flood Watches in Arkansas, 2015 Every flash flood watch in 2015

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.