Alert archive / Oklahoma / Flash Flood Watches in 2021

Flash Flood Watch 4, NWS Tulsa, OK

June 26, 202117 counties in Oklahoma; 4 counties in Arkansas

NWS Tulsa, OK issued this flash flood watch at Jun 26, 2021, 2:53 AM CDT for 17 counties in Oklahoma; 4 counties in Arkansas. It took effect at Jun 26, 2021, 3:00 AM CDT. It was in force for 52 hr.

The area

The counties it named.

The facts

Issued
Jun 26, 2021, 2:53 AM CDT (07:53 UTC)
In effect from
Jun 26, 2021, 3:00 AM CDT
Expired
Jun 28, 2021, 6:49 AM CDT
In force
52 hr
Issued by
NWS Tulsa, OK
Flood severity
None
All 21 counties

Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 28 km from the middle of the area, began a volume at 07:55 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, 7.9 hours before the alert went out and 155 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.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2021-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1507 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2021-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1507 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1381 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
2.0

Open this sounding in Storm Lab

The text

As transmitted.

461 
WGUS64 KTSA 260753
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
253 AM CDT Sat Jun 26 2021

OKZ054>062-064-067-262000-
/O.NEW.KTSA.FF.A.0004.210626T0800Z-210627T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Creek-Wagoner-
Including the cities of Pawhuska, Pryor, Sapulpa, Tulsa, Miami, 
Nowata, Wagoner, Vinita, Bartlesville, Claremore, and Pawnee
253 AM CDT Sat Jun 26 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY MORNING...

The National Weather Service in Tulsa has issued a

* Flash Flood Watch for a portion of northeast Oklahoma, including 
  the following counties, Craig, Creek, Mayes, Nowata, Osage, 
  Ottawa, Pawnee, Rogers, Tulsa, Wagoner and Washington OK.

* Through Sunday morning.

* Several rounds of showers and thunderstorms are expected across 
  portions of northeast Oklahoma through Tonight. 2 to 4 inches of 
  rain will be likely across the watch area through Tonight with 
  locally higher amounts possible. This will likely lead to flooding 
  of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

RJS
5 follow-up statements
044 
WGUS64 KTSA 261538
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
1038 AM CDT Sat Jun 26 2021

OKZ065-066-270000-
/O.EXA.KTSA.FF.A.0004.000000T0000Z-210627T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Okfuskee-Okmulgee-
Including the cities of Okmulgee and Okemah
1038 AM CDT Sat Jun 26 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY MORNING...

The National Weather Service in Tulsa has expanded the

* Flash Flood Watch to include portions of east central Oklahoma and 
  northeast Oklahoma, including the following counties, in east 
  central Oklahoma, Okfuskee. In northeast Oklahoma, Okmulgee.

* Through Sunday morning.

* Several rounds of showers and thunderstorms are expected across 
  portions of northeast Oklahoma through Tonight. 2 to 4 inches of 
  rain will be likely across the watch area through Tonight with 
  locally higher amounts possible. This will likely lead to flooding 
  of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

OKZ054>062-064-067-270000-
/O.CON.KTSA.FF.A.0004.000000T0000Z-210627T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Creek-Wagoner-
Including the cities of Pawhuska, Pryor, Sapulpa, Tulsa, Miami, 
Nowata, Wagoner, Vinita, Bartlesville, Claremore, and Pawnee
1038 AM CDT Sat Jun 26 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH SUNDAY MORNING...

The Flash Flood Watch continues for

* A portion of northeast Oklahoma, including the following counties, 
  Craig, Creek, Mayes, Nowata, Osage, Ottawa, Pawnee, Rogers, Tulsa, 
  Wagoner and Washington OK.

* Through Sunday morning.

* Several rounds of showers and thunderstorms are expected across 
  portions of northeast Oklahoma through Tonight. 2 to 4 inches of 
  rain will be likely across the watch area through Tonight with 
  locally higher amounts possible. This will likely lead to flooding 
  of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
165 
WGUS64 KTSA 261951
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
251 PM CDT Sat Jun 26 2021

ARZ001-002-010-011-OKZ063-068>071-271000-
/O.EXB.KTSA.FF.A.0004.000000T0000Z-210628T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Delaware-Cherokee-Adair-
Muskogee-McIntosh-
Including the cities of Muskogee, Checotah, Eureka Springs, Rogers, 
Jay, Huntsville, Springdale, Tahlequah, Grove, Stilwell, 
Fayetteville, Bentonville, and Berryville
251 PM CDT Sat Jun 26 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH SUNDAY EVENING...

The National Weather Service in Tulsa has expanded the

* Flash Flood Watch to include portions of northwest Arkansas and 
  Oklahoma, including the following counties, in northwest Arkansas, 
  Benton, Carroll, Madison and Washington AR. In Oklahoma, Adair, 
  Cherokee, Delaware, McIntosh and Muskogee.

* Through Sunday evening.

* Several rounds of showers and thunderstorms are expected across 
  parts of northeast Oklahoma and far northwest Arkansas through 
  Sunday. 2 to 4 inches of rain will be likely across the watch area 
  through Sunday with locally higher amounts possible. This will 
  likely lead to flooding of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

OKZ054>062-064>067-271000-
/O.EXT.KTSA.FF.A.0004.000000T0000Z-210628T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Creek-Okfuskee-Okmulgee-Wagoner-
Including the cities of Pawhuska, Pryor, Sapulpa, Tulsa, Miami, 
Nowata, Wagoner, Vinita, Okmulgee, Bartlesville, Claremore, Pawnee, 
and Okemah
251 PM CDT Sat Jun 26 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH SUNDAY EVENING...

The Flash Flood Watch is now in effect for

* Portions of east central Oklahoma and northeast Oklahoma, 
  including the following counties, in east central Oklahoma, 
  Okfuskee. In northeast Oklahoma, Craig, Creek, Mayes, Nowata, 
  Okmulgee, Osage, Ottawa, Pawnee, Rogers, Tulsa, Wagoner and 
  Washington OK.

* Through Sunday evening.

* Several rounds of showers and thunderstorms are expected across 
  parts of northeast Oklahoma and far northwest Arkansas through 
  Sunday. 2 to 4 inches of rain will be likely across the watch area 
  through Sunday with locally higher amounts possible. This will 
  likely lead to flooding of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

05
969 
WGUS64 KTSA 270810
FFATSA

Flood Watch
National Weather Service Tulsa OK
310 AM CDT Sun Jun 27 2021

ARZ001-002-010-011-OKZ054>071-280000-
/O.CON.KTSA.FF.A.0004.000000T0000Z-210628T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Osage-Washington OK-Nowata-
Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-Delaware-Creek-Okfuskee-
Okmulgee-Wagoner-Cherokee-Adair-Muskogee-McIntosh-
Including the cities of Pryor, Checotah, Jay, Springdale, Vinita, 
Berryville, Okemah, Tulsa, Bentonville, Huntsville, Miami, Stilwell, 
Bartlesville, Muskogee, Eureka Springs, Rogers, Grove, Wagoner, 
Okmulgee, Tahlequah, Fayetteville, Pawhuska, Sapulpa, Nowata, 
Claremore, and Pawnee
310 AM CDT Sun Jun 27 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* Portions of northwest Arkansas and Oklahoma, including the 
  following counties, in northwest Arkansas, Benton, Carroll, 
  Madison and Washington AR. In Oklahoma, Adair, Cherokee, Craig, 
  Creek, Delaware, Mayes, McIntosh, Muskogee, Nowata, Okfuskee, 
  Okmulgee, Osage, Ottawa, Pawnee, Rogers, Tulsa, Wagoner and 
  Washington OK.

* Through this evening.

* Several rounds of showers and thunderstorms are expected across 
  northeast Oklahoma and parts of northwest Arkansas through this 
  afternoon with an additional 2 to 4 inches of rain likely. Locally 
  higher amounts will be possible. This will likely lead to flooding 
  of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

RJS
245 
WGUS64 KTSA 271947
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
247 PM CDT Sun Jun 27 2021

ARZ001-002-010-011-OKZ054>071-281200-
/O.EXT.KTSA.FF.A.0004.000000T0000Z-210628T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Osage-Washington OK-Nowata-
Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-Delaware-Creek-Okfuskee-
Okmulgee-Wagoner-Cherokee-Adair-Muskogee-McIntosh-
Including the cities of Pryor, Checotah, Jay, Springdale, Vinita, 
Berryville, Okemah, Tulsa, Bentonville, Huntsville, Miami, Stilwell, 
Bartlesville, Muskogee, Eureka Springs, Rogers, Grove, Wagoner, 
Okmulgee, Tahlequah, Fayetteville, Pawhuska, Sapulpa, Nowata, 
Claremore, and Pawnee
247 PM CDT Sun Jun 27 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH MONDAY MORNING...

The Flash Flood Watch is now in effect for

* Portions of northwest Arkansas and Oklahoma, including the 
  following counties, in northwest Arkansas, Benton, Carroll, 
  Madison and Washington AR. In Oklahoma, Adair, Cherokee, Craig, 
  Creek, Delaware, Mayes, McIntosh, Muskogee, Nowata, Okfuskee, 
  Okmulgee, Osage, Ottawa, Pawnee, Rogers, Tulsa, Wagoner and 
  Washington OK.

* Through Monday morning.

* Scattered to numerous showers and thunderstorms are expected 
  across northeast Oklahoma and parts of northwest Arkansas through 
  tonight with  local rainfall amounts of 2 to 4 inches possible. 
  This will likely lead to flooding of flood prone areas.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
785 
WGUS64 KTSA 281149
FFATSA

Flood Watch
National Weather Service Tulsa OK
649 AM CDT Mon Jun 28 2021

ARZ001-002-010-011-OKZ054>071-281300-
/O.CAN.KTSA.FF.A.0004.000000T0000Z-210628T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Osage-Washington OK-Nowata-
Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-Delaware-Creek-Okfuskee-
Okmulgee-Wagoner-Cherokee-Adair-Muskogee-McIntosh-
Including the cities of Pryor, Checotah, Jay, Springdale, Vinita, 
Berryville, Okemah, Tulsa, Bentonville, Huntsville, Miami, Stilwell, 
Bartlesville, Muskogee, Eureka Springs, Rogers, Grove, Wagoner, 
Okmulgee, Tahlequah, Fayetteville, Pawhuska, Sapulpa, Nowata, 
Claremore, and Pawnee
649 AM CDT Mon Jun 28 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of northwest Arkansas and 
Oklahoma, including the following counties, in northwest Arkansas, 
Benton, Carroll, Madison and Washington AR. In Oklahoma, Adair, 
Cherokee, Craig, Creek, Delaware, Mayes, McIntosh, Muskogee, Nowata, 
Okfuskee, Okmulgee, Osage, Ottawa, Pawnee, Rogers, Tulsa, Wagoner 
and Washington OK has been cancelled.

The Flood Watch is cancelled. Locally heavy rain will still be 
possible today across portions of northeast Oklahoma which could 
lead to localized flooding of low lying areas.

$$

RJS

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 25, 11:19 PM CDTSpecial Weather StatementTSACreek, Osage, Pawnee56 min
Jun 26, 12:15 AM CDTSpecial Weather StatementTSAOsage45 min
Jun 26, 4:32 AM CDTAreal Flood AdvisoryTSACraig, Delaware, Nowata, Osage, Ottawa, Pawnee and 3 more3 hr
Jun 26, 4:53 AM CDTSpecial Weather StatementTSACreek, Okfuskee67 min
Jun 26, 5:38 AM CDTFlash Flood WarningTSACraig, Delaware, Ottawa8 hr
Jun 26, 5:42 AM CDTSpecial Weather StatementTSAOkmulgee, Tulsa48 min
Jun 26, 6:24 AM CDTSpecial Weather StatementTSAMayes, Rogers, Wagoner51 min
Jun 26, 6:33 AM CDTAreal Flood AdvisoryTSAMayes, Rogers, Tulsa, Wagoner117 min
Jun 26, 6:39 AM CDTSevere Thunderstorm WarningTSACherokee, Mayes, Wagoner14 min
Jun 26, 6:56 AM CDTSpecial Weather StatementTSADelaware, Mayes49 min
Jun 26, 7:42 AM CDTSpecial Weather StatementTSADelaware33 min

Nearby

Flash Flood Watches in Oklahoma, 2021Flash Flood Watches in Arkansas, 2021Every flash flood watch 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.