Flash Flood Warning 1, NWS Norman, OK

Issued

Mar 19, 2012, 11:22 AM CDT (16:22 UTC)

Expired

Mar 19, 2012, 5:15 PM CDT

In force

6 hr

Issued by

NWS Norman, OK

Area

Storm-based polygon

Flood severity

None

Counties Canadian County, OK, Cleveland County, OK, Grady County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Oklahoma County, OK, Pottawatomie County, OK

The Norman radar (KTLX), 2 km from the middle of the area, began a volume at 16:26 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.

042 
WGUS54 KOUN 191622
FFWOUN
OKC017-027-051-081-083-087-109-125-192215-
/O.NEW.KOUN.FF.W.0001.120319T1622Z-120319T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NORMAN OK
1122 AM CDT MON MAR 19 2012

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  LINCOLN COUNTY IN CENTRAL OKLAHOMA...
  MCCLAIN COUNTY IN SOUTH CENTRAL OKLAHOMA...
  OKLAHOMA COUNTY IN CENTRAL OKLAHOMA...
  GRADY COUNTY IN SOUTH CENTRAL OKLAHOMA...
  EXTREME SOUTHEASTERN CANADIAN COUNTY IN CENTRAL OKLAHOMA...
  CLEVELAND COUNTY IN SOUTH CENTRAL OKLAHOMA...
  POTTAWATOMIE COUNTY IN SOUTH CENTRAL OKLAHOMA...
  EXTREME SOUTHEASTERN LOGAN COUNTY IN CENTRAL OKLAHOMA...

* UNTIL 515 PM CDT

* AT 1120 AM CDT...NATIONAL WEATHER SERVICE RADAR AND RAIN GAUGES 
  INDICATED THAT HEAVY RAIN WAS FALLING OVER THE AREA. TWO TO THREE 
  INCHES OF RAIN HAS ALREADY FALLEN IN THE OKC METRO AREA OVER THE 
  PAST FOUR HOURS. FLASH FLOODING IS ALREADY OCCURRING IN NORMAN. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE
  OKLAHOMA CITY...NORMAN...EDMOND...MIDWEST CITY...MOORE...DEL CITY...
  STELLA...YUKON...BETHANY...MUSTANG...THE VILLAGE...WARR ACRES...
  CHOCTAW...NEWCASTLE...NOBLE...HARRAH...TUTTLE...NICHOLS HILLS...
  SPENCER...SLAUGHTERVILLE...MCLOUD...CHANDLER...BLANCHARD...JONES...
  NICOMA PARK...GOLDSBY...PINK...NINNEKAH...MEEKER AND DAVENPORT. 

ADDITIONAL RAINFALL AMOUNTS OF ONE TO THREE INCHES ARE LIKELY IN THE 
WARNED AREA THIS AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND 
UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. 

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE 
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE 
USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS 
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING 
FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3547 9677 3509 9725 3486 9767 3486 9801
      3572 9767 3591 9667

$$

17

263 
WGUS74 KOUN 191800
FFSOUN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE NORMAN OK
100 PM CDT MON MAR 19 2012

OKC017-027-051-081-083-087-109-125-192215-
/O.CON.KOUN.FF.W.0001.000000T0000Z-120319T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN OK-MCCLAIN OK-OKLAHOMA OK-GRADY OK-CANADIAN OK-CLEVELAND OK-
POTTAWATOMIE OK-LOGAN OK-
100 PM CDT MON MAR 19 2012

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM CDT FOR 
LINCOLN...MCCLAIN...OKLAHOMA...GRADY...EXTREME SOUTHEASTERN 
CANADIAN...CLEVELAND...POTTAWATOMIE AND EXTREME SOUTHEASTERN LOGAN 
COUNTIES...

AT 1249 PM CDT...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED 
THAT SHOWERS AND THUNDERSTORMS HAVE BROUGHT TWO TO FOUR INCHES 
OF RAINFALL TO THE OKC METRO AREA OVER THE PAST SIX HOURS. 
MODERATE TO HEAVY RAIN CONTINUED OVER THE AREA. LOCAL MEDIA 
AND PUBLIC INDICATED THAT FLOODING WAS ONGOING IN NORTH 
NORMAN NEAR 24TH AVENUE NORTHWEST BETWEEN INDIAN HILLS AND 
FRANKLIN ROADS.
 
FLASH FLOODING WILL CONTINUE THIS AFTERNOON. 

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE
OKLAHOMA CITY...NORMAN...EDMOND...MIDWEST CITY...MOORE...DEL CITY...
STELLA...YUKON...BETHANY...MUSTANG...THE VILLAGE...WARR ACRES...
CHOCTAW...NEWCASTLE...NOBLE...HARRAH...TUTTLE...NICHOLS HILLS...
SPENCER...SLAUGHTERVILLE...MCLOUD...CHANDLER...BLANCHARD...JONES...
NICOMA PARK...GOLDSBY...PINK...NINNEKAH...MEEKER AND DAVENPORT. 

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF INCH TO TWO INCHES CAN BE 
EXPECTED THIS AFTERNOON ACROSS THE WARNED AREA. RAIN IS EXPECTED TO 
SLOWLY TAPER OFF THROUGHOUT THE AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO 
CROSS SAFELY.  MOVE TO HIGHER GROUND.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY 
YOUR REPORT TO THE NATIONAL WEATHER SERVICE. 

&&

LAT...LON 3547 9677 3509 9725 3486 9767 3486 9801
      3572 9767 3591 9667
$$

17

Flash Flood Warnings in Oklahoma, 2012Every flash flood warning in 2012

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.