Alert archive / Oklahoma / Flash Flood Warnings in 2017
Flash Flood Warning 50, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Oct 4, 2017, 9:35 AM CDT for Osage County, Pawnee County, Oklahoma. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 4, 2017, 9:35 AM CDT (14:35 UTC)
- Expired
- Oct 4, 2017, 12:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
Counties Osage County, OK, Pawnee County, OK
The radar
The Tulsa radar (KINX), 100 km from the middle of the area, began a volume at 14:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 4, 10:43 AM CDT | FLASH FLOOD | 6 Ese Pawnee, OK | US HIGHWAY 64 CLOSED BETWEEN STATE HIGHWAYS 99 AND 18 DUE TO FLOODING. REPORT RECEIVED VIA ODOT TWITTER ACCOUNT. |
| Oct 4, 11:31 AM CDT | FLASH FLOOD | Terlton, OK | ROAD WASHED OUT NEAR TERLTON. PIC RELAYED ON TWITTER BY LOCAL BROADCAST MEDIA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Norman, OK (KOUN), launched 12:00Z, 2.6 hours before the alert went out and 140 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
- 639 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 554 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 114 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
340
WGUS54 KTSA 041435
FFWTSA
OKC113-117-041730-
/O.NEW.KTSA.FF.W.0050.171004T1435Z-171004T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
935 AM CDT WED OCT 4 2017
The National Weather Service in Tulsa has issued a
* Flash Flood Warning for...
Southeastern Osage County in northeastern Oklahoma...
Pawnee County in northeastern Oklahoma...
* Until 1230 PM CDT
* At 934 AM CDT, Doppler radar indicated heavy rain across the
warned area. Up to 4 inches of rain have fallen. Flash flooding is
expected to begin shortly.
* Some locations that may experience flooding include...
Northwestern Tulsa... Sand Springs...
Pawnee... Skiatook...
Hominy... Cleveland...
Jennings... Avant...
Westport... Osage...
Hallett... Blackburn...
Terlton... Maramec...
Skedee... Walnut Creek 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.
&&
LAT...LON 3649 9601 3618 9600 3617 9682 3625 9682
3625 9692 3633 9693 3633 9701 3634 9703
3645 9703
$$2 follow-up statements
718
WGUS74 KTSA 041553
FFSTSA
Flash Flood Statement
National Weather Service Tulsa OK
1053 AM CDT WED OCT 4 2017
OKC113-117-041730-
/O.CON.KTSA.FF.W.0050.000000T0000Z-171004T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage OK-Pawnee OK-
1053 AM CDT WED OCT 4 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHEASTERN OSAGE AND PAWNEE COUNTIES...
At 1049 AM CDT, Doppler radar indicated heavy rain across portions
of eastern Pawnee and southeastern Osage County, moving slowly to
the east. Up to 7 inches of rain have fallen, including a measured
6.37 inches near Hallett. Highway 64 has been closed between State
Highways 99 and 18.
Some locations that may experience flooding include...
Northwestern Tulsa... Sand Springs...
Pawnee... Skiatook...
Hominy... Cleveland...
Jennings... Avant...
Westport... Osage...
Hallett... Blackburn...
Terlton... Maramec...
Skedee... Walnut Creek State Park...
Additional rainfall amounts of up to 2 inches are possible along and
east of a line from near Westport to Avant.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3649 9601 3618 9600 3617 9682 3625 9682
3625 9692 3633 9693 3633 9701 3634 9703
3645 9703
$$340
WGUS74 KTSA 041642
FFSTSA
Flash Flood Statement
National Weather Service Tulsa OK
1142 AM CDT WED OCT 4 2017
OKC113-117-041730-
/O.CON.KTSA.FF.W.0050.000000T0000Z-171004T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Osage OK-Pawnee OK-
1142 AM CDT WED OCT 4 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
SOUTHEASTERN OSAGE AND PAWNEE COUNTIES...
At 1137 AM CDT, Doppler radar indicated heavy rain across portions
of eastern Pawnee and southeastern Osage counties. Another round of
moderate to heavy rain will also begin to move into western portions
of Pawnee County around noon. Up to 8 inches of rain have fallen.
Highway 64 remains closed between State Highways 99 and 18. At least
one roadway is also washed out near Terlton.
Some locations that may experience flooding include...
Northwestern Tulsa... Sand Springs...
Pawnee... Skiatook...
Hominy... Cleveland...
Jennings... Avant...
Westport... Osage...
Hallett... Blackburn...
Terlton... Maramec...
Skedee... Walnut Creek State Park...
Additional rainfall amounts of up 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.
&&
LAT...LON 3649 9601 3618 9600 3617 9682 3625 9682
3625 9692 3633 9693 3633 9701 3634 9703
3645 9703
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 7:41 AM CDT | Areal Flood Advisory | TSA | Creek, Osage, Pawnee, Tulsa | 3 hr |
| Oct 4, 12:29 PM CDT | Flash Flood Warning | TSA | Osage, Pawnee | 6 hr |
| Oct 4, 12:35 PM CDT | Areal Flood Advisory | TSA | Osage, Pawnee | 4 hr |
| Oct 4, 2:54 PM CDT | Flash Flood Warning | TSA | Osage, Rogers, Tulsa, Washington | 3 hr |
| Oct 4, 4:18 PM CDT | Areal Flood Advisory | TSA | Creek, Rogers, Tulsa, Wagoner | 3 hr |
| Oct 4, 4:44 PM CDT | River Flood Warning | TSA | Pawnee | 38 hr |
| Oct 4, 5:10 PM CDT | River Flood Warning | TSA | Osage | 8 hr |
| Oct 4, 5:51 PM CDT | Flash Flood Warning | TSA | Osage, Rogers, Tulsa, Washington | 3 hr |
| Oct 4, 6:25 PM CDT | Areal Flood Warning | TSA | Osage, Pawnee | 12 hr |
Nearby
Flash Flood Warnings in Oklahoma, 2017Every flash flood warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.