Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 26, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 6, 2021, 4:32 PM CDT for Oklahoma County, Oklahoma. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 6, 2021, 4:32 PM CDT (21:32 UTC)
- Expired
- Jun 6, 2021, 7:37 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
County Oklahoma County, OK
The radar
The Norman radar (KTLX), 20 km from the middle of the area, began a volume at 21:35 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 4:52 PM CDT | FLASH FLOOD | Del City, OK | STRANDED MOTORIST 3500 BLOCK OF SE 27TH IN AREA OF CHERRY CREEK BRIDGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.5 hours before the alert went out and 291 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 644 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 604 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 165 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
816
WGUS54 KOUN 062132
FFWOUN
OKC109-070045-
/O.NEW.KOUN.FF.W.0026.210606T2132Z-210607T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Norman OK
432 PM CDT Sun Jun 6 2021
The National Weather Service in Norman has issued a
* Flash Flood Warning for...
South Central Oklahoma County in central Oklahoma...
* Until 745 PM CDT.
* At 432 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 2 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Southeastern Oklahoma City, Midwest City, Del City, Valley Brook
and Smith Village.
This includes the following highways...
Interstate 35 between mile markers 128 and 130.
Interstate 40 between mile markers 154 and 156.
Additional rainfall amounts of 1 to 1.5 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3550 9742 3549 9747 3542 9748 3540 9749
3540 9746 3540 9744 3547 9741
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL...1.25-1.75 INCHES IN 1 HOUR
$$
032 follow-up statements
556
WGUS74 KOUN 062220
FFSOUN
Flash Flood Statement
National Weather Service Norman OK
520 PM CDT Sun Jun 6 2021
OKC109-070045-
/O.CON.KOUN.FF.W.0026.000000T0000Z-210607T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Oklahoma OK-
520 PM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM CDT THIS
EVENING FOR SOUTH CENTRAL OKLAHOMA COUNTY...
At 520 PM CDT, the Del City Fire Department reported a motorist
stranded at the 3500 block of Southeast 27th in the area of Cherry
Creek Bridge. Between 2 and 2.5 inches of rain have fallen. Flash
flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Fire department/rescue.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Southeastern Oklahoma City, Midwest City, Del City, Valley Brook and
Smith Village.
This includes the following streams and drainages...
Crooked Oak Creek and North Canadian River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3550 9742 3549 9747 3542 9748 3540 9749
3540 9746 3540 9744 3547 9741
FLASH FLOOD...OBSERVED
$$
03485
WGUS74 KOUN 070037
FFSOUN
Flash Flood Statement
National Weather Service Norman OK
737 PM CDT Sun Jun 6 2021
OKC109-070047-
/O.CAN.KOUN.FF.W.0026.000000T0000Z-210607T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Oklahoma OK-
737 PM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING IS CANCELLED FOR SOUTH CENTRAL OKLAHOMA
COUNTY...
Flood waters have receded. The heavy rain has ended. Flooding is no
longer expected to pose a threat. Please continue to heed remaining
road closures.
LAT...LON 3550 9742 3549 9747 3542 9748 3540 9749
3540 9746 3540 9744 3547 9741
$$
03The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 1:46 PM CDT | Special Weather Statement | OUN | Caddo | 44 min |
| Jun 6, 2:49 PM CDT | Special Weather Statement | OUN | Caddo | 26 min |
| Jun 6, 3:13 PM CDT | Special Weather Statement | OUN | Cleveland | 47 min |
| Jun 6, 3:14 PM CDT | Special Weather Statement | OUN | Major | 31 min |
| Jun 6, 3:19 PM CDT | Special Weather Statement | OUN | Blaine | 41 min |
| Jun 6, 3:20 PM CDT | Special Weather Statement | OUN | Pottawatomie | 25 min |
| Jun 6, 3:31 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Major | 29 min |
| Jun 6, 3:39 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian | 51 min |
| Jun 6, 3:45 PM CDT | Special Weather Statement | OUN | Oklahoma | 45 min |
| Jun 6, 3:55 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Garfield, Kingfisher, Major | 50 min |
| Jun 6, 3:57 PM CDT | Special Weather Statement | OUN | Blaine | 48 min |
| Jun 6, 3:59 PM CDT | Special Weather Statement | OUN | Canadian | 31 min |
| Jun 6, 4:05 PM CDT | Areal Flood Advisory | OUN | Blaine | 3 hr |
| Jun 6, 4:08 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 35 min |
| Jun 6, 4:12 PM CDT | Special Weather Statement | OUN | Pontotoc | 48 min |
| Jun 6, 4:14 PM CDT | Special Weather Statement | OUN | Carter, Murray | 61 min |
| Jun 6, 4:19 PM CDT | Areal Flood Advisory | OUN | Oklahoma | 3 hr |
| Jun 6, 4:37 PM CDT | Special Weather Statement | OUN | Kingfisher | 38 min |
| Jun 6, 4:38 PM CDT | Special Weather Statement | OUN | Marshall | 37 min |
| Jun 6, 4:41 PM CDT | Areal Flood Advisory | OUN | Carter, Love, Murray | 3 hr |
| Jun 6, 5:14 PM CDT | Special Weather Statement | OUN | Kingfisher | 31 min |
| Jun 6, 5:14 PM CDT | Special Weather Statement | OUN | Johnston | 31 min |
| Jun 6, 5:15 PM CDT | Special Weather Statement | OUN | Oklahoma | 45 min |
| Jun 6, 5:27 PM CDT | Special Weather Statement | OUN | Johnston | 63 min |
| Jun 6, 5:38 PM CDT | Special Weather Statement | OUN | Coal | 67 min |
| Jun 6, 5:45 PM CDT | Special Weather Statement | OUN | Lincoln | 30 min |
| Jun 6, 5:48 PM CDT | Special Weather Statement | OUN | Lincoln | 57 min |
| Jun 6, 5:55 PM CDT | Areal Flood Advisory | OUN | Atoka, Bryan, Coal, Johnston, Marshall | 3 hr |
| Jun 6, 6:13 PM CDT | Flash Flood Warning | OUN | Atoka, Johnston | 3 hr |
| Jun 6, 6:29 PM CDT | Special Weather Statement | OUN | Atoka | 61 min |
Nearby
Flash Flood Warnings in Oklahoma, 2021Every flash flood warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.