Alert archive / Oklahoma / Flash Flood Watches in 2021

Flash Flood Watch 6, NWS Tulsa, OK

June 30, 202116 counties in Oklahoma

NWS Tulsa, OK issued this flash flood watch at Jun 30, 2021, 9:20 AM CDT for 16 counties in Oklahoma. It took effect at Jun 30, 2021, 12:00 PM CDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Jun 30, 2021, 9:20 AM CDT (14:20 UTC)
In effect from
Jun 30, 2021, 12:00 PM CDT
Expired
Jul 1, 2021, 7:00 PM CDT
In force
31 hr
Issued by
NWS Tulsa, OK
Flood severity
None

Counties Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes 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), 2 km from the middle of the area, began a volume at 14:24 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, 2.3 hours before the alert went out and 176 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 2021-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 724 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 12:00Z on 2021-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
724 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
1019 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

704 
WGUS64 KTSA 301420
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
920 AM CDT Wed Jun 30 2021

OKZ054>063-302230-
/O.NEW.KTSA.FF.A.0006.210630T1700Z-210701T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Delaware-
Including the cities of Pawhuska, Pryor, Tulsa, Jay, Miami, Nowata, 
Vinita, Grove, Bartlesville, Claremore, and Pawnee
920 AM CDT Wed Jun 30 2021

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

The National Weather Service in Tulsa has issued a

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

* Through Thursday morning.

* Showers and thunderstorms are expected to develop across northeast 
  Oklahoma this afternoon, with the greatest threat for locally 
  heavy rainfall and flash flooding along and north of highway 412. 
  Another round of showers and storms is also expected tonight. 
  Portions of northeast Oklahoma have picked up heavy rains 
  recently, and soils are fairly saturated. Any additional heavy 
  rainfall would quickly become runoff and create flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Lacy
5 follow-up statements
457 
WGUS64 KTSA 301908
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
208 PM CDT Wed Jun 30 2021

OKZ064>067-070-010315-
/O.EXB.KTSA.FF.A.0006.000000T0000Z-210701T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Creek-Okfuskee-Okmulgee-Wagoner-Muskogee-
Including the cities of Muskogee, Okmulgee, Sapulpa, Wagoner, and 
Okemah
208 PM CDT Wed Jun 30 2021

...FLASH FLOOD WATCH IN EFFECT THROUGH THURSDAY AFTERNOON...

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, Muskogee and Okfuskee. In northeast Oklahoma, 
  Creek, Okmulgee and Wagoner.

* Through Thursday afternoon.

* Scattered showers and thunderstorms this afternoon and evening, 
  will become more widespread later tonight through Thursday 
  morning. Portions of northeast Oklahoma have received heavy 
  rainfall over the past several days, leaving soils saturated. Any 
  additional heavy rainfall would quickly become runoff and cause 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

OKZ054>063-010315-
/O.EXT.KTSA.FF.A.0006.000000T0000Z-210701T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Delaware-
Including the cities of Pawhuska, Pryor, Tulsa, Jay, Miami, Nowata, 
Vinita, Grove, Bartlesville, Claremore, and Pawnee
208 PM CDT Wed Jun 30 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THURSDAY AFTERNOON...

The Flash Flood Watch is now in effect for

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

* Through Thursday afternoon.

* Scattered showers and thunderstorms this afternoon and evening 
  will become more widespread later tonight into Thursday morning. 
  Portions of northeast Oklahoma have received heavy rainfall over 
  the past several days, leaving soils saturated. Any additional 
  heavy rainfall would quickly become runoff and cause flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
724 
WGUS64 KTSA 010753
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
253 AM CDT Thu Jul 1 2021

OKZ054>063-012000-
/O.EXT.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Delaware-
Including the cities of Pawhuska, Pryor, Tulsa, Jay, Miami, Nowata, 
Vinita, Grove, Bartlesville, Claremore, and Pawnee
253 AM CDT Thu Jul 1 2021

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

The Flash Flood Watch is now in effect for

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

* Through this evening.

* Scattered showers and thunderstorms are expected to become more 
  widespread this morning. Portions of northeast Oklahoma have 
  received heavy rainfall over the past several days, leaving soils 
  saturated. Any additional heavy rainfall would quickly become 
  runoff and cause flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

OKZ064>067-070-012000-
/O.EXT.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Creek-Okfuskee-Okmulgee-Wagoner-Muskogee-
Including the cities of Muskogee, Okmulgee, Sapulpa, Wagoner, and 
Okemah
253 AM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH NOW IN EFFECT THROUGH THIS 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, 
  Muskogee and Okfuskee. In northeast Oklahoma, Creek, Okmulgee and 
  Wagoner.

* Through this evening.

* Scattered showers and thunderstorms are expected to become more 
  widespread through the morning hours across parts of east central 
  Oklahoma. Portions of northeast Oklahoma have received heavy 
  rainfall over the past several days, leaving soils saturated. Any 
  additional heavy rainfall would quickly become runoff and cause 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
181 
WGUS64 KTSA 011518
FFATSA

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Tulsa OK
1018 AM CDT Thu Jul 1 2021

OKZ068-069-012330-
/O.EXA.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cherokee-Adair-
Including the cities of Stilwell and Tahlequah
1018 AM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL 7 PM CDT THIS EVENING...

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, Cherokee. In northeast Oklahoma, Adair.

* Until 7 PM CDT this evening.

* Widespread showers and thunderstorms are expected to continue this 
  morning before sagging southward during the early afternoon. 
  Additional, more scattered showers and thunderstorms are expected 
  in the mid to late afternoon. Portions of northeast Oklahoma have 
  received heavy rainfall over the past several days, leaving soils 
  saturated. Any additional heavy rainfall would quickly become 
  runoff and cause flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

OKZ054>063-012330-
/O.CON.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-Mayes-
Delaware-
Including the cities of Pawhuska, Pryor, Tulsa, Jay, Miami, Nowata, 
Vinita, Grove, Bartlesville, Claremore, and Pawnee
1018 AM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The Flash Flood Watch continues for

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

* Until 7 PM CDT this evening.

* Widespread showers and thunderstorms are expected to continue this 
  morning before sagging southward during the early afternoon. 
  Additional, more scattered showers and thunderstorms are expected 
  in the mid to late afternoon. Portions of northeast Oklahoma have 
  received heavy rainfall over the past several days, leaving soils 
  saturated. Any additional heavy rainfall would quickly become 
  runoff and cause flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

OKZ064>067-070-012330-
/O.CON.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Creek-Okfuskee-Okmulgee-Wagoner-Muskogee-
Including the cities of Muskogee, Okmulgee, Sapulpa, Wagoner, and 
Okemah
1018 AM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The Flash Flood Watch continues for

* Portions of east central Oklahoma and northeast Oklahoma, 
  including the following counties, in east central Oklahoma, 
  Muskogee and Okfuskee. In northeast Oklahoma, Creek, Okmulgee and 
  Wagoner.

* Until 7 PM CDT this evening.

* Widespread showers and thunderstorms are expected to continue this 
  morning before sagging southward during the early afternoon. 
  Additional, more scattered showers and thunderstorms are expected 
  in the mid to late afternoon. Portions of northeast Oklahoma have 
  received heavy rainfall over the past several days, leaving soils 
  saturated. Any additional heavy rainfall would quickly become 
  runoff and cause flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
877 
WGUS64 KTSA 011918
FFATSA

Flood Watch
National Weather Service Tulsa OK
218 PM CDT Thu Jul 1 2021

OKZ054>059-061>063-068-069-012030-
/O.CAN.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Rogers-Mayes-Delaware-
Cherokee-Adair-
Including the cities of Pawhuska, Pryor, Jay, Miami, Nowata, 
Tahlequah, Vinita, Grove, Stilwell, Bartlesville, Claremore, and 
Pawnee
218 PM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH IS CANCELLED...

The Flash Flood Watch for portions of east central Oklahoma and 
northeast Oklahoma, including the following counties, in east 
central Oklahoma, Cherokee. In northeast Oklahoma, Adair, Craig, 
Delaware, Mayes, Nowata, Osage, Ottawa, Pawnee, Rogers and 
Washington OK has been cancelled.

The Flood Watch is cancelled. The threat for heavy flooding rainfall 
has shifted south of the region.

$$

OKZ060-020000-
/O.CON.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tulsa-
Including the cities of Tulsa
218 PM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The Flash Flood Watch continues for

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

* Until 7 PM CDT this evening.

* Heavy rain producing showers and storms are expected to continue 
  thru the afternoon across portions of east central and northeast 
  Oklahoma. Portions of this region have received heavy rainfall 
  over the past several days, leaving soils saturated. Any 
  additional heavy rainfall would quickly become runoff and cause 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

OKZ064>067-070-020000-
/O.CON.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Creek-Okfuskee-Okmulgee-Wagoner-Muskogee-
Including the cities of Muskogee, Okmulgee, Sapulpa, Wagoner, and 
Okemah
218 PM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...

The Flash Flood Watch continues for

* Portions of east central Oklahoma and northeast Oklahoma, 
  including the following counties, in east central Oklahoma, 
  Muskogee and Okfuskee. In northeast Oklahoma, Creek, Okmulgee and 
  Wagoner.

* Until 7 PM CDT this evening.

* Heavy rain producing showers and storms are expected to continue 
  thru the afternoon across portions of east central and northeast 
  Oklahoma. Portions of this region have received heavy rainfall 
  over the past several days, leaving soils saturated. Any 
  additional heavy rainfall would quickly become runoff and cause 
  flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Lacy
743 
WGUS64 KTSA 012356
FFATSA

Flood Watch
National Weather Service Tulsa OK
656 PM CDT Thu Jul 1 2021

OKZ060-064>067-070-020100-
/O.EXP.KTSA.FF.A.0006.000000T0000Z-210702T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Tulsa-Creek-Okfuskee-Okmulgee-Wagoner-Muskogee-
Including the cities of Muskogee, Sapulpa, Tulsa, Wagoner, Okmulgee, 
and Okemah
656 PM CDT Thu Jul 1 2021

...FLASH FLOOD WATCH WILL EXPIRE AT 7 PM CDT THIS EVENING...

The Flash Flood Watch for portions of east central Oklahoma and 
northeast Oklahoma, including the following counties, in east 
central Oklahoma, Muskogee and Okfuskee. In northeast Oklahoma, 
Creek, Okmulgee, Tulsa and Wagoner will expire at 7 PM CDT this 
evening.

The Flood Watch is cancelled. Flooding is no longer expected to pose 
a threat. Please continue to heed remaining road closures.


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 4:25 PM CDTAreal Flood AdvisoryTSAOsage, Washington3 hr
Jun 30, 5:08 PM CDTAreal Flood AdvisoryTSACraig, Ottawa112 min
Jun 30, 5:24 PM CDTSpecial Weather StatementTSARogers51 min
Jun 30, 5:47 PM CDTSpecial Weather StatementTSACraig28 min
Jun 30, 5:52 PM CDTAreal Flood AdvisoryTSACraig, Mayes, Nowata, Rogers113 min
Jun 30, 6:14 PM CDTSpecial Weather StatementTSADelaware31 min

Nearby

Flash Flood Watches in Oklahoma, 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.