Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 27, NWS Norman, OK
NWS Norman, OK issued this flash flood warning at Jun 6, 2021, 6:13 PM CDT for Atoka County, Johnston 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
- Jun 6, 2021, 6:13 PM CDT (23:13 UTC)
- Expired
- Jun 6, 2021, 9:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Norman, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Atoka County, OK, Johnston County, OK
The radar
The Norman radar (KTLX), 140 km from the middle of the area, began a volume at 23:16 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
Fort Worth, TX (KFWD), launched 12:00Z, 11.2 hours before the alert went out and 193 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.
871
WGUS54 KOUN 062313
FFWOUN
OKC005-069-070215-
/O.NEW.KOUN.FF.W.0027.210606T2313Z-210607T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Norman OK
613 PM CDT Sun Jun 6 2021
The National Weather Service in Norman has issued a
* Flash Flood Warning for...
Southwestern Atoka County in southeastern Oklahoma...
East Central Johnston County in southeastern Oklahoma...
* Until 915 PM CDT.
* At 613 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
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...
Atoka, Wapanucka, Tushka, Caney, Bromide and Boggy Depot Park.
Additional rainfall amounts of 0.5 to 1 inch 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 3442 9641 3442 9630 3442 9623 3442 9622
3442 9619 3442 9615 3442 9614 3415 9616
3415 9631 3427 9634 3435 9656 3442 9651
FLASH FLOOD...RADAR INDICATED
$$
031 follow-up statement
733
WGUS74 KOUN 070043
FFSOUN
Flash Flood Statement
National Weather Service Norman OK
743 PM CDT Sun Jun 6 2021
OKC005-069-070215-
/O.CON.KOUN.FF.W.0027.000000T0000Z-210607T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Atoka OK-Johnston OK-
743 PM CDT Sun Jun 6 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM CDT THIS
EVENING FOR SOUTHWESTERN ATOKA AND EAST CENTRAL JOHNSTON COUNTIES...
At 743 PM CDT, doppler radar indicated thunderstorms produced heavy
rain across the warned area. Between 2.5 to 3.0 inches of rain fell
over the past 1 to 2 hours. Flash flooding remains possible.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Atoka, Wapanucka, Tushka, Caney, Bromide and Boggy Depot Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Please report flooding to your local law enforcement agency when you
can do so safely.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3442 9641 3442 9630 3442 9623 3442 9622
3442 9619 3442 9615 3442 9614 3415 9616
3415 9631 3427 9634 3435 9656 3442 9651
FLASH FLOOD...RADAR INDICATED
$$
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, 4:32 PM CDT | Flash Flood Warning | 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, 6:29 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.