Alert archive / Oklahoma / Flash Flood Watches in 2019
Flash Flood Watch 16, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood watch at Aug 29, 2019, 2:27 PM CDT for 8 counties in Oklahoma. It took effect at Aug 30, 2019, 4:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Aug 29, 2019, 2:27 PM CDT (19:27 UTC)
- In effect from
- Aug 30, 2019, 4:00 AM CDT
- Expired
- Aug 30, 2019, 11:30 AM CDT
- In force
- 8 hr
- Issued by
- NWS Tulsa, OK
- Flood severity
- None
Counties Craig County, OK, Creek County, OK, Nowata County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK
The radar
The Tulsa radar (KINX), 38 km from the middle of the area, began a volume at 19:31 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, 7.5 hours before the alert went out and 182 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
- 407 J/kg
- Mixed-layer CIN
- -123 J/kg
- Mixed-layer LCL
- 1174 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this flash flood watch went out at Aug 29, 12:37 PM CDT, 1 hour 50 minutes earlier.
Area forecast discussion, Aug 29, 12:37 PM CDT, 1 hour 50 minutes before
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</html>Hazardous weather outlook, Aug 29, 1:00 PM CDT, 1 hour 27 minutes before
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</html>Nearby
Flash Flood Watches in Oklahoma, 2019Every flash flood watch in 2019
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.