Flash Flood Warning 55, NWS Norman, OK

Issued

Aug 13, 2021, 3:40 PM CDT (20:40 UTC)

Expired

Aug 13, 2021, 6:45 PM CDT

In force

3 hr

Issued by

NWS Norman, OK

Area

Storm-based polygon

Flood severity

None

County Oklahoma County, OK

The Norman radar (KTLX), 32 km from the middle of the area, began a volume at 20:40 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.

572 
WGUS54 KOUN 132040
FFWOUN
OKC109-132345-
/O.NEW.KOUN.FF.W.0055.210813T2040Z-210813T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Norman OK
340 PM CDT Fri Aug 13 2021

The National Weather Service in Norman has issued a

* Flash Flood Warning for...
  Southwestern Oklahoma County in central Oklahoma...

* Until 645 PM CDT.

* At 340 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Oklahoma City, Del City, Bethany, Warr Acres, The Village, Nichols 
  Hills, Valley Brook, Forest Park, Woodlawn Park, Lake Aluma, Smith 
  Village, The Capitol and The Fairgrounds.

This includes the following highways...
	Interstate 35 between mile markers 123 and 135.
	Interstate 44 between mile markers 119 and 130.
	Interstate 40 between mile markers 145 and 151.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3563 9756 3547 9767 3540 9748 3554 9742

FLASH FLOOD...RADAR INDICATED

$$

Zwink

363 
WGUS74 KOUN 132207
FFSOUN

Flash Flood Statement
National Weather Service Norman OK
507 PM CDT Fri Aug 13 2021

OKC109-132345-
/O.CON.KOUN.FF.W.0055.000000T0000Z-210813T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Oklahoma OK-
507 PM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM CDT THIS 
EVENING FOR SOUTHWESTERN OKLAHOMA COUNTY...

At 507 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 2 and 3 inches of rain have 
fallen. Additional rainfall amounts up to 1 inch are possible in the 
warned area. Flash flooding is ongoing.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Oklahoma City, Del City, Bethany, Warr Acres, The Village, Nichols 
  Hills, Valley Brook, Forest Park, Woodlawn Park, Lake Aluma, Smith 
  Village, The Capitol and The Fairgrounds.

This includes the following highways...
	Interstate 35 between mile markers 123 and 135.
	Interstate 44 between mile markers 119 and 130.
	Interstate 40 between mile markers 145 and 154.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3563 9756 3547 9767 3540 9748 3554 9742

FLASH FLOOD...RADAR INDICATED

$$

Zwink

261 
WGUS74 KOUN 132346
FFSOUN

Flash Flood Statement
National Weather Service Norman OK
646 PM CDT Fri Aug 13 2021

OKC109-132356-
/O.EXP.KOUN.FF.W.0055.000000T0000Z-210813T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Oklahoma OK-
646 PM CDT Fri Aug 13 2021

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN OKLAHOMA 
COUNTY...

The heavy rain has ended. Flash flooding is no longer expected to 
pose a threat. Please continue to heed remaining road closures.

LAT...LON 3563 9756 3547 9767 3540 9748 3554 9742

$$

Zwink

Flash Flood Warnings in Oklahoma, 2021Every flash flood warning in 2021

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.