Alert archive / Oklahoma / Flash Flood Watches in 2021
Flash Flood Watch 5, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood watch at Jun 28, 2021, 1:51 PM CDT for Creek County, Pawnee County, Oklahoma. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Jun 28, 2021, 1:51 PM CDT (18:51 UTC)
- Expired
- Jun 29, 2021, 7:00 PM CDT
- In force
- 29 hr
- Issued by
- NWS Tulsa, OK
- Flood severity
- None
Counties Creek County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 87 km from the middle of the area, began a volume at 18:50 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, 6.9 hours before the alert went out and 260 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
- 1005 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 754 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
The text
As transmitted.
751 WGUS64 KTSA 281851 FFATSA URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Tulsa OK 151 PM CDT Mon Jun 28 2021 OKZ054-059-064-290300- /O.NEW.KTSA.FF.A.0005.210628T1851Z-210629T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osage-Pawnee-Creek- Including the cities of Pawhuska, Pawnee, and Sapulpa 151 PM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH IN EFFECT THROUGH TUESDAY MORNING... The National Weather Service in Tulsa has issued a * Flash Flood Watch for a portion of northeast Oklahoma, including the following counties, Creek, Osage and Pawnee. * Through Tuesday morning. * Numerous showers and scattered thunderstorms will continue through tonight, with local rainfall amounts of 2 to 4 inches possible. The heavy rain on top of already saturated ground may lead to rapid onset flash flooding in some areas tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
2 follow-up statements
236 WGUS64 KTSA 282209 FFATSA Flood Watch National Weather Service Tulsa OK 509 PM CDT Mon Jun 28 2021 OKZ054-059-064-291200- /O.CON.KTSA.FF.A.0005.000000T0000Z-210629T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osage-Pawnee-Creek- Including the cities of Pawhuska, Pawnee, and Sapulpa 509 PM CDT Mon Jun 28 2021 ...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TUESDAY MORNING... The Flash Flood Watch continues for * A portion of northeast Oklahoma, including the following counties, Creek, Osage and Pawnee. * Through Tuesday morning. * Numerous showers and scattered thunderstorms will continue through tonight, with local rainfall amounts of 2 to 4 inches possible. The heavy rain on top of already saturated ground may lead to rapid onset flash flooding in some areas tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
548 WGUS64 KTSA 290757 FFATSA URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Tulsa OK 257 AM CDT Tue Jun 29 2021 OKZ054-059-064-292000- /O.EXT.KTSA.FF.A.0005.000000T0000Z-210630T0000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Osage-Pawnee-Creek- Including the cities of Pawhuska, Pawnee, and Sapulpa 257 AM CDT Tue Jun 29 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, Creek, Osage and Pawnee. * Through this evening. * Showers and scattered thunderstorms will continue through the day, with additional local rainfall amounts of 1 to 2 inches possible. The heavy rain on top of already saturated ground may lead to rapid onset flash flooding in some areas. PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued. && $$
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 8:28 AM CDT | River Flood Warning | TSA | Okmulgee | 9 days |
| Jun 28, 11:48 AM CDT | Areal Flood Advisory | TSA | Osage | 4 hr |
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.