Alert archive / Oklahoma / Flash Flood Warnings in 2021
Flash Flood Warning 1, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Mar 13, 2021, 3:51 AM CST for Craig County, Delaware County, Ottawa County, Oklahoma. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 13, 2021, 3:51 AM CST (09:51 UTC)
- Expired
- Mar 13, 2021, 7:45 AM CST
- In force
- 4 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Craig County, OK, Delaware County, OK, Ottawa County, OK
The radar
The Tulsa radar (KINX), 96 km from the middle of the area, began a volume at 09:55 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 00:00Z, 9.9 hours before the alert went out and 85 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 384 m²/s²
- 0-3 km storm-relative helicity
- 380 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
113
WGUS54 KTSA 130951
FFWTSA
OKC035-041-115-131345-
/O.NEW.KTSA.FF.W.0001.210313T0951Z-210313T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
351 AM CST Sat Mar 13 2021
The National Weather Service in Tulsa has issued a
* Flash Flood Warning for...
East Central Craig County in northeastern Oklahoma...
Northwestern Delaware County in northeastern Oklahoma...
Southern Ottawa County in northeastern Oklahoma...
* Until 745 AM CST.
* At 351 AM CST, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between
1 and 3 inches of rain have fallen. Flash flooding is ongoing or
expected to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
* Some locations that will experience flash flooding include...
Miami... Grove...
Fairland... Afton...
Bluejacket... Wyandotte...
Narcissa... Ottawa...
Twin Bridges State Park...
Additional rainfall amounts of 1 to 2 inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3664 9508 3683 9508 3689 9462 3676 9462
3675 9462 3674 9462 3672 9462 3671 9462
3667 9462 3665 9462 3664 9462 3663 9462
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$1 follow-up statement
163
WGUS74 KTSA 131202
FFSTSA
Flash Flood Statement
National Weather Service Tulsa OK
602 AM CST Sat Mar 13 2021
OKC035-041-115-131345-
/O.CON.KTSA.FF.W.0001.000000T0000Z-210313T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Craig OK-Delaware OK-Ottawa OK-
602 AM CST Sat Mar 13 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CST THIS
MORNING FOR EAST CENTRAL CRAIG, NORTHWESTERN DELAWARE AND SOUTHERN
OTTAWA COUNTIES...
At 602 AM CST, Doppler radar indicates that the heavy rainfall has
shifted south of the warned area, although light to moderate rain
will continue. Between 1 and 3 inches of rain have fallen and any
additional rainfall will continue to runoff, especially across parts
of southern Ottawa county.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Doppler radar and automated gauges.
IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other
drainage and low lying areas.
Some locations that will experience flash flooding include...
Miami... Grove...
Fairland... Afton...
Bluejacket... Wyandotte...
Narcissa... Ottawa...
Twin Bridges State Park...
Additional rainfall amounts of half inch to an inch are possible in
the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3664 9508 3683 9508 3689 9462 3676 9462
3675 9462 3674 9462 3672 9462 3671 9462
3667 9462 3665 9462 3664 9462 3663 9462
FLASH FLOOD...RADAR AND GAUGE INDICATED
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 12, 7:27 PM CST | River Flood Warning | TSA | Ottawa | 9 days |
| Mar 12, 10:24 PM CST | Special Weather Statement | TSA | Washington | 36 min |
| Mar 12, 10:55 PM CST | Areal Flood Advisory | TSA | Osage, Pawnee | 3 hr |
| Mar 13, 1:23 AM CST | Areal Flood Advisory | TSA | Ottawa | 3 hr |
| Mar 13, 1:36 AM CST | Areal Flood Advisory | TSA | Nowata, Osage, Pawnee, Washington | 3 hr |
| Mar 13, 2:34 AM CST | Areal Flood Advisory | TSA | Craig, Ottawa | 2 hr |
| Mar 13, 7:14 AM CST | Areal Flood Advisory | TSA | Craig, Nowata, Osage, Pawnee, Rogers, Washington | 3 hr |
| Mar 13, 9:50 AM CST | River Flood Warning | TSA | Osage | 21 hr |
| Mar 13, 1:30 PM CST | River Flood Warning | TSA | Washington | 55 hr |
| Mar 13, 1:32 PM CST | River Flood Warning | TSA | Rogers, Tulsa | 3 days |
Nearby
Flash Flood Warnings in Oklahoma, 2021Every flash flood warning 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.