Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 12, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at May 3, 2021, 6:50 PM CDT for Carter County, Murray County, Oklahoma. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 3, 2021, 6:50 PM CDT (23:50 UTC)
- Expired
- May 3, 2021, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carter County, OK, Murray County, OK
The radar
The Norman radar (KTLX), 113 km from the middle of the area, began a volume at 23:53 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.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 11.8 hours before the alert went out and 105 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
- 993 J/kg
- Mixed-layer CIN
- -487 J/kg
- Mixed-layer LCL
- 923 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
526
WGUS54 KOUN 032350
FFWOUN
OKC019-099-040300-
/O.NEW.KOUN.FF.W.0012.210503T2350Z-210504T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Norman OK
650 PM CDT Mon May 3 2021
The National Weather Service in Norman has issued a
* Flash Flood Warning for...
East Central Carter County in southern Oklahoma...
Southeastern Murray County in southern Oklahoma...
* Until 1000 PM CDT.
* At 650 PM CDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
2 and 3 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...
Springer, Dougherty, Gene Autry and Lake Of The Arbuckles.
This includes the following highways...
Interstate 35 near mile marker 37.
Additional rainfall amounts of 0.5 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.
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 3440 9706 3445 9693 3445 9689 3436 9688
3433 9691 3433 9693 3432 9693 3429 9693
3425 9697 3424 9717 3431 9715
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
032 follow-up statements
691
WGUS74 KOUN 040037
FFSOUN
Flash Flood Statement
National Weather Service Norman OK
737 PM CDT Mon May 3 2021
OKC019-099-040300-
/O.CON.KOUN.FF.W.0012.000000T0000Z-210504T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carter OK-Murray OK-
737 PM CDT Mon May 3 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 10 PM CDT THIS
EVENING FOR EAST CENTRAL CARTER AND SOUTHEASTERN MURRAY COUNTIES...
At 737 PM CDT, Although heavy rainfall has ended over the warned
area, between 2 and 3 inches of rain fell in the past one to two
hours. Flash flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Springer, Dougherty, Gene Autry and Lake Of The Arbuckles.
This includes the following highways...
Interstate 35 near mile marker 37.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3440 9706 3445 9693 3445 9689 3436 9688
3433 9691 3433 9693 3432 9693 3429 9693
3425 9697 3424 9717 3431 9715
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$
03485
WGUS74 KOUN 040252
FFSOUN
Flash Flood Statement
National Weather Service Norman OK
952 PM CDT Mon May 3 2021
OKC019-099-040302-
/O.EXP.KOUN.FF.W.0012.000000T0000Z-210504T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carter OK-Murray OK-
952 PM CDT Mon May 3 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 10 PM CDT THIS EVENING FOR
EAST CENTRAL CARTER AND SOUTHEASTERN MURRAY COUNTIES...
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 3440 9706 3445 9693 3445 9689 3436 9688
3433 9691 3433 9693 3432 9693 3429 9693
3425 9697 3424 9717 3431 9715
$$
03The office that day
Everything else NWS Norman, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 4:56 PM CDT | Special Weather Statement | OUN | Harper | 49 min |
| May 3, 5:05 PM CDT | Special Weather Statement | OUN | Carter | 25 min |
| May 3, 5:09 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Love, Murray | 51 min |
| May 3, 5:24 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Murray | 51 min |
| May 3, 5:49 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Murray | 26 min |
| May 3, 5:50 PM CDT | Special Weather Statement | OUN | Harper | 25 min |
| May 3, 5:53 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Murray | 67 min |
| May 3, 6:00 PM CDT | Areal Flood Advisory | OUN | Carter, Garvin, Johnston, Love, Murray, Pontotoc | 5 hr |
| May 3, 6:02 PM CDT | Severe Thunderstorm Warning | OUN | Johnston, Murray, Pontotoc | 58 min |
| May 3, 6:09 PM CDT | Special Weather Statement | OUN | Love | 36 min |
| May 3, 6:12 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, McClain, Murray | 33 min |
| May 3, 6:19 PM CDT | Severe Thunderstorm Warning | OUN | Love | 26 min |
| May 3, 6:25 PM CDT | Special Weather Statement | OUN | Hughes | 35 min |
| May 3, 6:33 PM CDT | Severe Thunderstorm Warning | OUN | Coal, Johnston, Pontotoc | 42 min |
| May 3, 6:35 PM CDT | Severe Thunderstorm Warning | OUN | Coal, Hughes, Pontotoc | 40 min |
| May 3, 6:38 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Murray | 37 min |
| May 3, 6:39 PM CDT | Special Weather Statement | OUN | Johnston | 36 min |
| May 3, 6:44 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Love, Marshall | 8 min |
| May 3, 6:56 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Johnston, Murray, Pontotoc | 49 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.