Alert archive / Oklahoma / Flood Watches in 2021

Flood Watch 4, NWS Tulsa, OK

December 16, 20214 counties in Arkansas; 8 counties in Oklahoma

NWS Tulsa, OK issued this flood watch at Dec 16, 2021, 2:00 PM CST for 4 counties in Arkansas; 8 counties in Oklahoma. It took effect at Dec 17, 2021, 6:00 AM CST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Dec 16, 2021, 2:00 PM CST (20:00 UTC)
In effect from
Dec 17, 2021, 6:00 AM CST
Expired
Dec 18, 2021, 6:00 AM CST
In force
24 hr
Issued by
NWS Tulsa, OK
Flood severity
None

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR, Adair County, OK, Cherokee County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, McIntosh County, OK, Muskogee County, OK, Pittsburg County, OK

The radar

The Western Arkansas radar (KSRX), 63 km from the middle of the area, began a volume at 20:02 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, 8.0 hours before the alert went out and 156 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 12:00Z on 2021-12-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2021-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1036 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

376 
WGUS64 KTSA 162000
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
200 PM CST Thu Dec 16 2021

ARZ001-002-010-011-019-020-029-OKZ068>076-170600-
/O.NEW.KTSA.FA.A.0004.211217T1200Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-
Le Flore-
Including the cities of Muskogee, McAlester, Poteau, Checotah, 
Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, 
Tahlequah, Wilburton, Stilwell, Ozark, Stigler, Fort Smith, 
Charleston, Fayetteville, Sallisaw, Bentonville, and Berryville
200 PM CST Thu Dec 16 2021

...FLOOD WATCH IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY 
NIGHT...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Haskell, Latimer, Le Flore, McIntosh, Muskogee, 
  Pittsburg and Sequoyah.

* WHEN...From Friday morning through late Friday night.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Extensive street flooding and flooding of creeks and rivers are 
  possible.

* ADDITIONAL DETAILS...
  - A frontal boundary will stall over the region during the day
    Friday. Strong lift along with record precipitable water
    values and training of storms possible will lead to a zone of
    heavy rainfall during the day Friday through Friday night
    across the watch area. Widespread 1-2 inches with localized
    amounts over 4 inches are possible across the region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

MAB
7 follow-up statements
840 
WGUS64 KTSA 170411
FFATSA

Flood Watch
National Weather Service Tulsa OK
1011 PM CST Thu Dec 16 2021

ARZ001-002-010-011-019-020-029-OKZ068>076-171215-
/O.CON.KTSA.FA.A.0004.211217T1200Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-
Le Flore-
Including the cities of Muskogee, McAlester, Poteau, Checotah, 
Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, 
Tahlequah, Wilburton, Stilwell, Ozark, Stigler, Fort Smith, 
Charleston, Fayetteville, Sallisaw, Bentonville, and Berryville
1011 PM CST Thu Dec 16 2021

...FLOOD WATCH REMAINS IN EFFECT FROM 6 AM CST FRIDAY THROUGH LATE 
FRIDAY NIGHT...

* WHAT...Flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Haskell, Latimer, Le Flore, McIntosh, Muskogee, 
  Pittsburg and Sequoyah.

* WHEN...From 6 AM CST Friday through late Friday night.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Extensive street flooding and flooding of creeks and rivers are 
  possible.

* ADDITIONAL DETAILS...
  - A frontal boundary will stall over the region during the day
    Friday. Strong lift along with record precipitable water
    values and the potential for training of storms will lead to
    a zone of heavy rainfall during the day Friday through Friday
    night across the watch area. Widespread 1-2 inches with
    localized amounts over 4 inches are possible across the
    region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$
666 
WGUS64 KTSA 170954
FFATSA

Flood Watch
National Weather Service Tulsa OK
354 AM CST Fri Dec 17 2021

ARZ001-002-010-011-019-020-029-OKZ068>076-171800-
/O.CON.KTSA.FA.A.0004.211217T1200Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-
Le Flore-
Including the cities of Muskogee, McAlester, Poteau, Checotah, 
Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, 
Tahlequah, Wilburton, Stilwell, Ozark, Stigler, Fort Smith, 
Charleston, Fayetteville, Sallisaw, Bentonville, and Berryville
354 AM CST Fri Dec 17 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Haskell, Latimer, Le Flore, McIntosh, Muskogee, 
  Pittsburg and Sequoyah.

* WHEN...Through late tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Low-water crossings may be flooded. Extensive street flooding and 
  flooding of creeks and rivers are possible.

* ADDITIONAL DETAILS...
  - A frontal boundary located near the Red River will lift north
    this morning and stall in the vicinity of I-40 later today.
    Strong lift along with record precipitable water values and
    the potential for training of storms will lead to a zone of
    heavy rainfall through tonight across the watch area.
    Widespread 1-2 inches with localized amounts over 4 inches
    are possible across the region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$
044 
WGUS64 KTSA 171602
FFATSA

Flood Watch
National Weather Service Tulsa OK
1002 AM CST Fri Dec 17 2021

ARZ001-002-010-011-019-020-029-OKZ068>076-180015-
/O.CON.KTSA.FA.A.0004.000000T0000Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-
Le Flore-
Including the cities of Muskogee, McAlester, Poteau, Checotah, 
Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, 
Tahlequah, Wilburton, Stilwell, Ozark, Stigler, Fort Smith, 
Charleston, Fayetteville, Sallisaw, Bentonville, and Berryville
1002 AM CST Fri Dec 17 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Haskell, Latimer, Le Flore, McIntosh, Muskogee, 
  Pittsburg and Sequoyah.

* WHEN...Through late tonight.

* IMPACTS...Excessive runoff may result in flooding of rivers, 
  creeks, streams, and other low-lying and flood-prone locations. 
  Low-water crossings may be flooded. Extensive street flooding and 
  flooding of creeks and rivers are possible.

* ADDITIONAL DETAILS...
  - A frontal boundary located just south of I-40 this morning
    will continue slowly moving to the north before stalling
    later this afternoon. Strong lift along with record
    precipitable water values, and the potential for training of
    storms will lead to a zone of heavy rainfall through tonight
    across the watch area. Widespread 3-4 inches with localized
    5-6 inch amounts are possible.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$
638 
WGUS64 KTSA 171915
FFATSA

Flood Watch
National Weather Service Tulsa OK
115 PM CST Fri Dec 17 2021

ARZ001-002-010-011-019-020-029-OKZ068>076-180315-
/O.CON.KTSA.FA.A.0004.000000T0000Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-
Le Flore-
Including the cities of Muskogee, McAlester, Poteau, Checotah, 
Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, 
Tahlequah, Wilburton, Stilwell, Ozark, Stigler, Fort Smith, 
Charleston, Fayetteville, Sallisaw, Bentonville, and Berryville
115 PM CST Fri Dec 17 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flooding caused by excessive rainfall is likely in some 
  areas.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Haskell, Latimer, Le Flore, McIntosh, Muskogee, 
  Pittsburg and Sequoyah.

* WHEN...Through late tonight.

* IMPACTS...Some creeks and streams will likely rise out of their 
  banks. River flooding will be possible, especially in the Illinois 
  river basin.  Low-water crossings will likely become flooded with 
  extensive street flooding in some locations. Area creeks and 
  streams are running high and will flood with more heavy rain.

* ADDITIONAL DETAILS...
  - A frontal boundary located just south of I-40 will stall
    later this afternoon. Strong lift along with record
    precipitable water values, and the potential for training of
    storms will lead to a zone of heavy rainfall through tonight
    across the watch area. Widespread 3-4 inches with localized
    5-6 inch amounts are possible. A few areas that receive the
    highest rainfall totals could experience significant
    flooding. The flooding threat will begin to decrease late
    tonight as storms shift southeast of the region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

RBD
592 
WGUS64 KTSA 172022
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
222 PM CST Fri Dec 17 2021

OKZ063-180430-
/O.EXA.KTSA.FA.A.0004.000000T0000Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Delaware-
Including the cities of Grove and Jay
222 PM CST Fri Dec 17 2021

...FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flooding caused by excessive rainfall is possible.

* WHERE...A portion of northeast Oklahoma, including the following 
  county, Delaware.

* WHEN...Through late tonight.

* IMPACTS...Creeks and streams may rise out of their banks. 
  Low-water crossings may be flooded. Extensive street flooding and 
  flooding of creeks and rivers are possible.

* ADDITIONAL DETAILS...
  - A frontal boundary located just south of I-40 will stall
    later this afternoon. Strong lift along with record
    precipitable water values, and the potential for training of
    storms will lead to a zone of heavy rainfall through tonight
    across the watch area. Widespread 2 inches with localized 4
    inch amounts are possible. The flooding threat will begin to
    decrease by midnight as storms shift southeast of the region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

ARZ001-002-010-011-019-020-029-OKZ068>076-180430-
/O.CON.KTSA.FA.A.0004.000000T0000Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-Latimer-
Le Flore-
Including the cities of Muskogee, McAlester, Poteau, Checotah, 
Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, 
Tahlequah, Wilburton, Stilwell, Ozark, Stigler, Fort Smith, 
Charleston, Fayetteville, Sallisaw, Bentonville, and Berryville
222 PM CST Fri Dec 17 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE TONIGHT...

* WHAT...Flooding caused by excessive rainfall is likely in some 
  areas.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Haskell, Latimer, Le Flore, McIntosh, Muskogee, 
  Pittsburg and Sequoyah.

* WHEN...Through late tonight.

* IMPACTS...Some creeks and streams will likely rise out of their 
  banks. River flooding will be possible, especially in the Illinois 
  river basin.  Low-water crossings will likely become flooded with 
  extensive street flooding in some locations. Area creeks and 
  streams are running high and will flood with more heavy rain.

* ADDITIONAL DETAILS...
  - A frontal boundary located just south of I-40 will stall
    later this afternoon. Strong lift along with record
    precipitable water values, and the potential for training of
    storms will lead to a zone of heavy rainfall through tonight
    across the watch area. Widespread 3-4 inches with localized
    5-6 inch amounts are possible. A few areas that receive the
    highest rainfall totals could experience significant
    flooding. The flooding threat will begin to decrease late
    tonight as storms shift southeast of the region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$

RBD
606 
WGUS64 KTSA 180424
FFATSA

Flood Watch
National Weather Service Tulsa OK
1024 PM CST Fri Dec 17 2021

ARZ001-002-010-011-019-020-029-OKZ063-068>076-181200-
/O.CON.KTSA.FA.A.0004.000000T0000Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Delaware-Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-
Latimer-Le Flore-
Including the cities of McAlester, Poteau, Checotah, Jay, 
Springdale, Sallisaw, Berryville, Huntsville, Van Buren, Stilwell, 
Ozark, Fort Smith, Eureka Springs, Rogers, Grove, Tahlequah, 
Charleston, Fayetteville, Muskogee, Wilburton, Stigler, and 
Bentonville
1024 PM CST Fri Dec 17 2021

...FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM CST SATURDAY...

* WHAT...Flooding caused by excessive rainfall continues to be 
  possible.

* WHERE...Portions of Arkansas and Oklahoma, including the following 
  counties, in Arkansas, Benton, Carroll, Crawford, Franklin, 
  Madison, Sebastian and Washington AR. In Oklahoma, Adair, 
  Cherokee, Delaware, Haskell, Latimer, Le Flore, McIntosh, 
  Muskogee, Pittsburg and Sequoyah.

* WHEN...Until 6 AM CST Saturday.

* IMPACTS...Creeks and streams may rise out of their banks. 
  Low-water crossings may be flooded. Extensive street flooding and 
  flooding of creeks and rivers are possible. Area creeks and 
  streams are running high and could flood with more heavy rain.

* ADDITIONAL DETAILS...
  - A frontal boundary remained located just south of I-40 this
    evening. Strong lift along with record precipitable water
    values, and the continued potential for training of storms
    will lead to additional heavy rainfall through tonight across
    the watch area. Additional 1-2 inches with localized 3 inches
    and greater are possible. The flooding threat will begin to
    decrease late tonight as storms shift southeast of the
    region.
  - http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be alert for possible Flood 
Warnings. Those living in areas prone to flooding should be prepared 
to take action should flooding develop.

&&

$$
162 
WGUS64 KTSA 181201
FFATSA

Flood Watch
National Weather Service Tulsa OK
601 AM CST Sat Dec 18 2021

ARZ001-002-010-011-019-020-029-OKZ063-068>076-181315-
/O.EXP.KTSA.FA.A.0004.000000T0000Z-211218T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Sebastian-
Delaware-Cherokee-Adair-Muskogee-McIntosh-Sequoyah-Pittsburg-Haskell-
Latimer-Le Flore-
Including the cities of McAlester, Poteau, Checotah, Jay, 
Springdale, Sallisaw, Berryville, Huntsville, Van Buren, Stilwell, 
Ozark, Fort Smith, Eureka Springs, Rogers, Grove, Tahlequah, 
Charleston, Fayetteville, Muskogee, Wilburton, Stigler, and 
Bentonville
601 AM CST Sat Dec 18 2021

...FLOOD WATCH HAS EXPIRED...

The Flood Watch has expired for portions of Arkansas and Oklahoma, 
including the following counties, in Arkansas, Benton, Carroll, 
Crawford, Franklin, Madison, Sebastian and Washington AR. In 
Oklahoma, Adair, Cherokee, Delaware, Haskell, Latimer, Le Flore, 
McIntosh, Muskogee, Pittsburg and Sequoyah.

The flooding threat has ended. Therefore, the Flood Watch has 
expired.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 6:03 PM CSTSpecial Weather StatementTSAOsage27 min
Dec 15, 7:18 PM CSTSpecial Weather StatementTSAOsage, Pawnee, Washington57 min
Dec 15, 8:10 PM CSTSevere Thunderstorm WarningTSANowata, Osage, Washington50 min
Dec 15, 8:30 PM CSTSpecial Weather StatementTSANowata45 min
Dec 15, 9:12 PM CSTSpecial Weather StatementTSARogers48 min
Dec 15, 9:15 PM CSTSpecial Weather StatementTSACraig, Nowata, Ottawa45 min
Dec 15, 10:05 PM CSTSpecial Weather StatementTSACraig, Ottawa, Rogers55 min
Dec 15, 10:57 PM CSTSpecial Weather StatementTSAMayes33 min

Nearby

Flood Watches in Oklahoma, 2021Flood Watches in Arkansas, 2021Every 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.