Alert archive / Oklahoma / Flash Flood Watches in 2021
Flash Flood Watch 7, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood watch at Jul 15, 2021, 1:10 PM CDT for 9 counties in Oklahoma; 4 counties in Arkansas. It took effect at Jul 15, 2021, 7:00 PM CDT. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Jul 15, 2021, 1:10 PM CDT (18:10 UTC)
- In effect from
- Jul 15, 2021, 7:00 PM CDT
- Expired
- Jul 16, 2021, 1:00 PM CDT
- In force
- 18 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, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 61 km from the middle of the area, began a volume at 18:11 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, 6.2 hours before the alert went out and 117 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
- 201 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1058 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 147 m²/s²
- 0-3 km storm-relative helicity
- 152 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
669 WGUS64 KTSA 151810 FFATSA URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Tulsa OK 110 PM CDT Thu Jul 15 2021 OKZ054>059-061>063-160900- /O.NEW.KTSA.FF.A.0007.210716T0000Z-210716T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Rogers-Mayes-Delaware- Including the cities of Pawhuska, Pryor, Jay, Miami, Nowata, Vinita, Grove, Bartlesville, Claremore, and Pawnee 110 PM CDT Thu Jul 15 2021 ...FLASH FLOOD WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY 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 and Washington OK. * From 7 PM CDT this evening through Friday morning. * Showers and thunderstorms are expected to expand in coverage this evening and overnight across portions of northeast Oklahoma, ahead of an approaching front. Intense rainfall rates may lead to localized flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
3 follow-up statements
017 WGUS64 KTSA 160750 FFATSA URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Tulsa OK 250 AM CDT Fri Jul 16 2021 ARZ001-002-010-011-019-020-OKZ069-161600- /O.EXB.KTSA.FF.A.0007.000000T0000Z-210716T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Adair- Including the cities of Eureka Springs, Rogers, Huntsville, Springdale, Van Buren, Stilwell, Ozark, Charleston, Fayetteville, Bentonville, and Berryville 250 AM CDT Fri Jul 16 2021 ...FLASH FLOOD WATCH IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... The National Weather Service in Tulsa has expanded the * Flash Flood Watch to include portions of Arkansas and northeast Oklahoma, including the following counties, in Arkansas, Benton, Carroll, Crawford, Franklin, Madison and Washington AR. In northeast Oklahoma, Adair. * Until 1 PM CDT this afternoon. * Showers and thunderstorms are expected to expand in coverage this morning across portions of northeast Oklahoma into northwest Arkansas, ahead of an upper level wave. Intense rainfall rates may lead to localized flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ OKZ054>059-061>063-161600- /O.EXT.KTSA.FF.A.0007.000000T0000Z-210716T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Rogers-Mayes-Delaware- Including the cities of Pawhuska, Pryor, Jay, Miami, Nowata, Vinita, Grove, Bartlesville, Claremore, and Pawnee 250 AM CDT Fri Jul 16 2021 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 1 PM CDT THIS 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 and Washington OK. * Until 1 PM CDT this afternoon. * Showers and thunderstorms are expected to expand in coverage this morning across portions of northeast Oklahoma into northwest Arkansas, ahead of an upper level wave. Intense rainfall rates may lead to localized flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$ Lacy
005 WGUS64 KTSA 161410 FFATSA Flood Watch National Weather Service Tulsa OK 910 AM CDT Fri Jul 16 2021 OKZ054>059-061-062-161515- /O.CAN.KTSA.FF.A.0007.000000T0000Z-210716T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osage-Washington OK-Nowata-Craig-Ottawa-Pawnee-Rogers-Mayes- Including the cities of Pawhuska, Pryor, Miami, Nowata, Vinita, Bartlesville, Claremore, and Pawnee 910 AM CDT Fri Jul 16 2021 ...FLASH FLOOD WATCH IS CANCELLED... The Flash Flood Watch for a portion of northeast Oklahoma, including the following counties, Craig, Mayes, Nowata, Osage, Ottawa, Pawnee, Rogers and Washington OK has been cancelled. The Flood Watch is cancelled. $$ ARZ001-002-010-011-019-020-OKZ063-069-161800- /O.CON.KTSA.FF.A.0007.000000T0000Z-210716T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Delaware- Adair- Including the cities of Eureka Springs, Rogers, Jay, Huntsville, Springdale, Van Buren, Grove, Stilwell, Ozark, Charleston, Fayetteville, Bentonville, and Berryville 910 AM CDT Fri Jul 16 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON... The Flash Flood Watch continues for * Portions of Arkansas and northeast Oklahoma, including the following counties, in Arkansas, Benton, Carroll, Crawford, Franklin, Madison and Washington AR. In northeast Oklahoma, Adair and Delaware. * Until 1 PM CDT this afternoon. * Showers and thunderstorms will continue through late morning across portions of northwest Arkansas and adjacent areas of far eastern Oklahoma. Intense rainfall rates may lead to localized flash flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
917 WGUS64 KTSA 161751 FFATSA Flood Watch National Weather Service Tulsa OK 1251 PM CDT Fri Jul 16 2021 ARZ001-002-010-011-019-020-OKZ063-069-161900- /O.EXP.KTSA.FF.A.0007.000000T0000Z-210716T1800Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Benton-Carroll-Washington AR-Madison-Crawford-Franklin-Delaware- Adair- Including the cities of Eureka Springs, Rogers, Jay, Huntsville, Springdale, Van Buren, Grove, Stilwell, Ozark, Charleston, Fayetteville, Bentonville, and Berryville 1251 PM CDT Fri Jul 16 2021 ...FLASH FLOOD WATCH WILL EXPIRE AT 1 PM CDT THIS AFTERNOON... The Flash Flood Watch for portions of Arkansas and northeast Oklahoma, including the following counties, in Arkansas, Benton, Carroll, Crawford, Franklin, Madison and Washington AR. In northeast Oklahoma, Adair and Delaware will expire at 1 PM CDT this afternoon. The Flood Watch is cancelled. Please continue to heed remaining road closures. $$
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.