Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 42, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Jul 1, 2021, 9:30 AM CDT for Tulsa County, Wagoner County, Oklahoma. It was in force for 4 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
- Jul 1, 2021, 9:30 AM CDT (14:30 UTC)
- Expired
- Jul 1, 2021, 1:51 PM CDT
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Tulsa County, OK, Wagoner County, OK
The radar
The Tulsa radar (KINX), 36 km from the middle of the area, began a volume at 14:29 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 |
|---|---|---|---|
| Jul 1, 12:02 PM CDT | FLASH FLOOD | Broken Arrow, OK | WATER OVER 101ST STREET NEAR CEDAR RIDGE COUNTRY CLUB. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 2.5 hours before the alert went out and 213 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
- 789 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.7
The text
As transmitted.
497
WGUS54 KTSA 011430
FFWTSA
OKC143-145-011730-
/O.NEW.KTSA.FF.W.0042.210701T1430Z-210701T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
930 AM CDT Thu Jul 1 2021
The National Weather Service in Tulsa has issued a
* Flash Flood Warning for...
Southeastern Tulsa County in northeastern Oklahoma...
West Central Wagoner County in northeastern Oklahoma...
* Until 1230 PM CDT.
* At 930 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 2 inches of rain
have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1
hour. 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...
Jenks... Coweta...
Jenks Riverside Airport... Oneta...
Stonebluff... 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 3608 9607 3616 9607 3616 9600 3616 9581
3603 9570 3587 9573 3602 9603 3608 9603
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1.5 INCHES IN 1 HOUR
$$
Lacy2 follow-up statements
453
WGUS54 KTSA 011617
FFWTSA
OKC143-145-011900-
/O.EXT.KTSA.FF.W.0042.000000T0000Z-210701T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
1117 AM CDT Thu Jul 1 2021
The National Weather Service in Tulsa has extended the
* Flash Flood Warning for...
Southeastern Tulsa County in northeastern Oklahoma...
West Central Wagoner County in northeastern Oklahoma...
* Until 200 PM CDT.
* At 1117 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 2 and 4 inches of rain
have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1
hour. Additional rainfall amounts of 1 to 2 inches are possible in
the warned area. Flash flooding is ongoing.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Tulsa... Broken Arrow...
Sand Springs... Bixby...
Jenks... Coweta...
Jenks Riverside Airport... Oneta...
Stonebluff... Leonard...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3608 9607 3616 9607 3616 9600 3616 9581
3603 9570 3587 9573 3602 9603 3608 9603
FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1.5 INCHES IN 1 HOUR
$$
Lacy435
WGUS74 KTSA 011851
FFSTSA
Flash Flood Statement
National Weather Service Tulsa OK
151 PM CDT Thu Jul 1 2021
OKC143-145-011901-
/O.CAN.KTSA.FF.W.0042.000000T0000Z-210701T1900Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tulsa OK-Wagoner OK-
151 PM CDT Thu Jul 1 2021
...FLASH FLOOD WARNING FOR SOUTHEASTERN TULSA AND WEST CENTRAL
WAGONER COUNTIES HAS BEEN REPLACED WITH A FLOOD WARNING...
The heavy rain has ended. Additional Flash Flooding is no longer
expected to pose a threat. Please continue to heed remaining road
closures.
A Flash Flood Watch remains in effect until 700 PM CDT for portions
of east central Oklahoma and northeast Oklahoma.
LAT...LON 3608 9607 3616 9607 3616 9600 3616 9581
3603 9570 3587 9573 3602 9603 3608 9603
$$
24The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 9:43 PM CDT | Special Weather Statement | TSA | Tulsa | 47 min |
| Jun 30, 10:20 PM CDT | Areal Flood Advisory | TSA | Creek, Tulsa | 115 min |
| Jul 1, 5:02 AM CDT | Areal Flood Advisory | TSA | Craig, Delaware, Ottawa | 3 hr |
| Jul 1, 5:50 AM CDT | Flash Flood Warning | TSA | Craig, Delaware | 4 hr |
| Jul 1, 7:14 AM CDT | Areal Flood Advisory | TSA | Creek, Osage, Pawnee, Tulsa, Wagoner | 3 hr |
| Jul 1, 7:24 AM CDT | Areal Flood Advisory | TSA | Craig, Delaware, Mayes, Rogers | 3 hr |
| Jul 1, 8:06 AM CDT | Areal Flood Advisory | TSA | Osage, Rogers, Tulsa, Wagoner, Washington | 3 hr |
| Jul 1, 8:16 AM CDT | Areal Flood Advisory | TSA | Muskogee, Wagoner | 3 hr |
| Jul 1, 8:27 AM CDT | Areal Flood Advisory | TSA | Adair, Cherokee | 3 hr |
| Jul 1, 10:40 AM CDT | Flash Flood Warning | TSA | Wagoner | 3 hr |
| Jul 1, 10:57 AM CDT | Areal Flood Advisory | TSA | McIntosh, Muskogee | 3 hr |
| Jul 1, 11:40 AM CDT | Areal Flood Advisory | TSA | Osage, Pawnee | 3 hr |
| Jul 1, 12:02 PM CDT | Areal Flood Advisory | TSA | Creek, Okfuskee, Okmulgee | 3 hr |
| Jul 1, 12:59 PM CDT | Areal Flood Advisory | TSA | McIntosh, Muskogee, Okmulgee | 3 hr |
| Jul 1, 1:42 PM CDT | Areal Flood Warning | TSA | Wagoner | 3 hr |
| Jul 1, 1:51 PM CDT | Areal Flood Warning | TSA | Tulsa, Wagoner | 3 hr |
| Jul 1, 2:16 PM CDT | River Flood Advisory | TSA | Tulsa | 4 hr |
| Jul 1, 2:32 PM CDT | River Flood Advisory | TSA | Muskogee | 4 hr |
| Jul 1, 5:43 PM CDT | River Flood Warning | TSA | Osage, Tulsa | 8 hr |
| Jul 1, 5:50 PM CDT | River Flood Warning | TSA | Tulsa | 14 hr |
| Jul 1, 6:07 PM CDT | River Flood Warning | TSA | Muskogee | 8 hr |
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.