Alert archive / Arkansas / Flash Flood Warnings in 2017
Flash Flood Warning 22, NWS Tulsa, OK
NWS Tulsa, OK issued this flash flood warning at Apr 30, 2017, 9:25 AM CDT for Carroll County, Arkansas. It was in force for 26 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
- Apr 30, 2017, 9:25 AM CDT (14:25 UTC)
- Expired
- May 1, 2017, 11:33 AM CDT
- In force
- 26 hr
- Issued by
- NWS Tulsa, OK
- Area
- Storm-based polygon
- Flood severity
- None
County Carroll County, AR
The radar
The Springfield radar (KSGF), 94 km from the middle of the area, began a volume at 14:25 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, 2.4 hours before the alert went out and 50 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
- 65 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 480 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 371 m²/s²
- 0-3 km storm-relative helicity
- 389 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
The text
As transmitted.
441
WGUS54 KTSA 301425
FFWTSA
ARC015-010215-
/O.NEW.KTSA.FF.W.0022.170430T1425Z-170501T0215Z/
/00000.0.DR.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
925 AM CDT SUN APR 30 2017
The National Weather Service in Tulsa has issued a
* Flash Flood Warning for...
A Dam Floodgate Release in...
Northwestern Carroll County in northwestern Arkansas...
* Until 915 PM CDT Sunday
* At 921 AM CDT, Corps of Engineers continued to have the floodgates
on the Beaver Dam open which may continue to cause flash flooding
downstream on the White River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3643 9376 3640 9383 3642 9386 3650 9384
3650 9370
$$2 follow-up statements
353
WGUS54 KTSA 010138
FFWTSA
ARC015-020215-
/O.EXT.KTSA.FF.W.0022.000000T0000Z-170502T0215Z/
/00000.0.DR.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tulsa OK
838 PM CDT SUN APR 30 2017
The National Weather Service in Tulsa has extended the
* Flash Flood Warning for...
A Dam Floodgate Release in...
Northwestern Carroll County in northwestern Arkansas...
* Until 915 PM CDT Monday
* At 835 PM CDT, Corps of Engineers continued to have the floodgates
on the Beaver Dam open which may continue to cause flash flooding
downstream on the White River.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3643 9376 3640 9383 3642 9386 3650 9384
3650 9370
$$939
WGUS74 KTSA 011633
FFSTSA
Flash Flood Statement
National Weather Service Tulsa OK
1133 AM CDT MON MAY 1 2017
ARC015-011640-
/O.CAN.KTSA.FF.W.0022.000000T0000Z-170502T0215Z/
/00000.0.DR.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CARROLL AR-
1133 AM CDT MON MAY 1 2017
...THE FLASH FLOOD WARNING FOR A DAM FLOODGATE RELEASE HAS BEEN
CANCELLED FOR NORTHWESTERN CARROLL COUNTY...
According to the U.S. Army Corps of Engineers, releases have
decreased from Beaver Dam. Flooding on the White River downstream of
Beaver Dam has receded and is no longer expected to pose a
significant threat. Please continue to heed all road closures.
LAT...LON 3643 9376 3640 9383 3642 9386 3650 9384
3650 9370
$$The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 9:29 PM CDT | Special Weather Statement | TSA | Carroll | 31 min |
| Apr 29, 9:36 PM CDT | Flash Flood Warning | TSA | Carroll | 12 hr |
| Apr 30, 1:42 AM CDT | Special Weather Statement | TSA | Madison | 33 min |
| Apr 30, 2:24 AM CDT | Special Weather Statement | TSA | Benton | 36 min |
| Apr 30, 4:04 AM CDT | Areal Flood Warning | TSA | Benton, Carroll, Crawford, Franklin, Madison, Washington | 60 hr |
| Apr 30, 4:11 AM CDT | Wind Advisory | TSA | Benton, Carroll, Madison, Washington | 17 hr |
| Apr 30, 3:19 PM CDT | River Flood Advisory | TSA | Crawford, Franklin | 36 hr |
Nearby
Flash Flood Warnings in Arkansas, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.