Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 38, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jun 26, 2021, 11:33 PM CDT for 5 counties in Oklahoma. It was in force for 10 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 26, 2021, 11:33 PM CDT (04:33 UTC)
- Expired
- Jun 27, 2021, 9:30 AM CDT
- In force
- 10 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Craig County, OK, Delaware County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK
The radar
The Tulsa radar (KINX), 70 km from the middle of the area, began a volume at 04:32 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
Springfield, MO (KSGF), launched 00:00Z, 4.6 hours before the alert went out and 121 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
- 342 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 86 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.3
The text
As transmitted.
193
WGUS54 KTSA 270433
FFWTSA
OKC035-041-105-115-131-271030-
/O.NEW.KTSA.FF.W.0038.210627T0433Z-210627T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
1133 PM CDT Sat Jun 26 2021
The National Weather Service in Tulsa has issued a
* Flash Flood Warning for...
Craig County in northeastern Oklahoma...
Northwestern Delaware County in northeastern Oklahoma...
Southeastern Nowata County in northeastern Oklahoma...
Ottawa County in northeastern Oklahoma...
Northeastern Rogers County in northeastern Oklahoma...
* Until 530 AM CDT.
* At 1133 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 4 and 6 inches of rain
have fallen earlier today. Additional rainfall amounts of 2 to 4
inches are possible in the warned area through the night. 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...
Miami... Vinita...
Grove... Commerce...
Chelsea... Fairland...
Afton... Quapaw...
Welch... Bernice...
Ketchum... Bluejacket...
Wyandotte... Big Cabin...
New Alluwe... Picher...
Narcissa... Cleora...
Bernice State Park... White Oak...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3686 9511 3700 9502 3700 9462 3666 9463
3651 9502 3651 9544 3640 9560 3655 9568
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
771
WGUS54 KTSA 271018
FFWTSA
OKC035-041-105-115-131-271430-
/O.EXT.KTSA.FF.W.0038.000000T0000Z-210627T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
518 AM CDT Sun Jun 27 2021
The National Weather Service in Tulsa has extended the
* Flash Flood Warning for...
Craig County in northeastern Oklahoma...
Northwestern Delaware County in northeastern Oklahoma...
Southeastern Nowata County in northeastern Oklahoma...
Ottawa County in northeastern Oklahoma...
Northeastern Rogers County in northeastern Oklahoma...
* Until 930 AM CDT.
* At 518 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 4 and 8 inches of rain
have fallen over the past 24 to 48 hours. Additional rainfall
amounts of 1 to 3 inches are possible in the warned area. Flash
flooding is ongoing or expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Miami... Vinita...
Grove... Commerce...
Chelsea... Fairland...
Afton... Quapaw...
Welch... Bernice...
Ketchum... Bluejacket...
Wyandotte... Big Cabin...
New Alluwe... Picher...
Narcissa... Cleora...
Bernice State Park... White Oak...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3686 9511 3700 9502 3700 9462 3666 9463
3651 9502 3651 9544 3640 9560 3655 9568
FLASH FLOOD...RADAR INDICATED
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 9:00 PM CDT | Areal Flood Advisory | TSA | Nowata, Osage, Pawnee, Washington | 4 hr |
| Jun 26, 10:12 PM CDT | Areal Flood Advisory | TSA | Craig, Creek, Delaware, Mayes, Nowata, Osage and 5 more | 3 hr |
| Jun 27, 12:45 AM CDT | Areal Flood Advisory | TSA | Creek, Delaware, Mayes, Muskogee, Okfuskee, Okmulgee and 6 more | 5 hr |
| Jun 27, 4:50 AM CDT | Flash Flood Warning | TSA | Creek, Osage, Pawnee, Tulsa | 4 hr |
| Jun 27, 6:21 AM CDT | Flash Flood Warning | TSA | Okmulgee | 3 hr |
| Jun 27, 8:37 AM CDT | Areal Flood Warning | TSA | Creek, Osage, Pawnee, Tulsa | 3 hr |
| Jun 27, 9:09 AM CDT | River Flood Warning | TSA | Creek | 18 hr |
| Jun 27, 10:26 AM CDT | River Flood Warning | TSA | Tulsa | 7 hr |
| Jun 27, 3:52 PM CDT | Special Weather Statement | TSA | Wagoner | 38 min |
| Jun 27, 4:25 PM CDT | Special Weather Statement | TSA | McIntosh | 35 min |
| Jun 27, 4:33 PM CDT | Special Weather Statement | TSA | Wagoner | 42 min |
| Jun 27, 5:00 PM CDT | Special Weather Statement | TSA | McIntosh | 60 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.