Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 59, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Aug 13, 2021, 6:03 PM CDT for Creek County, Tulsa 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
- Aug 13, 2021, 6:03 PM CDT (23:03 UTC)
- Expired
- Aug 13, 2021, 8:37 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Creek County, OK, Tulsa County, OK
The radar
The Tulsa radar (KINX), 37 km from the middle of the area, began a volume at 23:06 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 12:00Z, 11.1 hours before the alert went out and 214 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
- 592 J/kg
- Mixed-layer CIN
- -167 J/kg
- Mixed-layer LCL
- 904 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 49 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
894
WGUS54 KTSA 132303
FFWTSA
OKC037-143-140215-
/O.NEW.KTSA.FF.W.0059.210813T2303Z-210814T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
603 PM CDT Fri Aug 13 2021
The National Weather Service in Tulsa has issued a
* Flash Flood Warning for...
East Central Creek County in northeastern Oklahoma...
Southeastern Tulsa County in northeastern Oklahoma...
* Until 915 PM CDT.
* At 603 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 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...
Tulsa... Broken Arrow...
Sand Springs... Bixby...
Sapulpa... Jenks...
Glenpool... Kiefer...
Jenks Riverside Airport... Leonard...
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 3615 9603 3617 9585 3606 9576 3591 9577
3590 9603 3599 9615
FLASH FLOOD...RADAR INDICATED
$$1 follow-up statement
005
WGUS74 KTSA 140137
FFSTSA
Flash Flood Statement
National Weather Service Tulsa OK
837 PM CDT Fri Aug 13 2021
OKC037-143-140147-
/O.CAN.KTSA.FF.W.0059.000000T0000Z-210814T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Creek OK-Tulsa OK-
837 PM CDT Fri Aug 13 2021
...FLASH FLOOD WARNING IS CANCELLED FOR EAST CENTRAL CREEK AND
SOUTHEASTERN TULSA COUNTIES...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
LAT...LON 3615 9603 3617 9585 3606 9576 3591 9577
3590 9603 3599 9615
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 6:12 AM CDT | Special Weather Statement | TSA | Washington | 33 min |
| Aug 13, 6:43 AM CDT | Special Weather Statement | TSA | Nowata | 17 min |
| Aug 13, 7:41 AM CDT | Special Weather Statement | TSA | Nowata | 34 min |
| Aug 13, 8:27 AM CDT | Special Weather Statement | TSA | Rogers | 33 min |
| Aug 13, 2:16 PM CDT | Heat Advisory | TSA | Cherokee, Creek, Haskell, McIntosh, Muskogee, Okfuskee and 4 more | 4 hr |
| Aug 13, 4:36 PM CDT | Special Weather Statement | TSA | Cherokee | 24 min |
| Aug 13, 4:38 PM CDT | Special Weather Statement | TSA | Tulsa | 37 min |
| Aug 13, 4:49 PM CDT | Special Weather Statement | TSA | Okfuskee | 26 min |
| Aug 13, 5:13 PM CDT | Special Weather Statement | TSA | Adair, Cherokee | 47 min |
| Aug 13, 5:24 PM CDT | Special Weather Statement | TSA | Tulsa | 36 min |
| Aug 13, 5:26 PM CDT | Areal Flood Advisory | TSA | Tulsa | 3 hr |
| Aug 13, 5:29 PM CDT | Special Weather Statement | TSA | Creek | 31 min |
| Aug 13, 5:52 PM CDT | Special Weather Statement | TSA | Tulsa | 38 min |
| Aug 13, 6:09 PM CDT | Special Weather Statement | TSA | Muskogee | 36 min |
| Aug 13, 6:33 PM CDT | Special Weather Statement | TSA | Muskogee | 42 min |
| Aug 13, 6:34 PM CDT | Special Weather Statement | TSA | Wagoner | 41 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.