Alert archive / Mississippi / Flash Flood Warnings in 2021
Flash Flood Warning 14, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Apr 16, 2021, 3:18 PM CDT for Stone County, Mississippi. It was in force for 59 min. 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 16, 2021, 3:18 PM CDT (20:18 UTC)
- Expired
- Apr 16, 2021, 4:17 PM CDT
- In force
- 59 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Emergency
- Flash flood emergency
- Damage threat
- Catastrophic
- Flood severity
- Unknown
County Stone County, MS
The radar
The Mobile radar (KMOB), 81 km from the middle of the area, began a volume at 20:19 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.3 hours before the alert went out and 89 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 822 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
385
WGUS54 KMOB 162018
FFWMOB
MSC131-170215-
/O.NEW.KMOB.FF.W.0014.210416T2018Z-210417T0215Z/
/00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Mobile AL
318 PM CDT Fri Apr 16 2021
...FLASH FLOOD EMERGENCY FOR NEAR HIGHWAY 26 AND JOHN WILLIS RD...
The National Weather Service in Mobile has issued a
* Flash Flood Warning for...
A Dam Break below Lake-A-Way in...
Northeastern Stone County in southeastern Mississippi...
* Until 915 PM CDT.
* At 318 PM CDT, Emergency Management reported the failure of a dam
on Lake-A-Way causing flash flooding downstream which drains into
Flint Creek to the south.
This is a FLASH FLOOD EMERGENCY for near Highway 26 and John
Willis Rd. This is a PARTICULARLY DANGEROUS SITUATION. SEEK HIGHER
GROUND NOW!
HAZARD...Life threatening flash flooding from the failure of
Lake-A-Way.
SOURCE...County dispatch.
IMPACT...This is a PARTICULARLY DANGEROUS SITUATION. SEEK
HIGHER GROUND NOW! IMMEDIATE EVACUATION for areas
downstream of the dam.
* Some homes are located immediately downstream of the dam.
This includes the following streams and drainages...
Flint Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to higher ground now! This is an extremely dangerous and
life-threatening situation. Do not attempt to travel unless you are
fleeing an area subject to flooding or under an evacuation order.
If you are in low lying areas below the Lake-A-Way you should move
to higher ground immediately.
Move to higher ground now. Act quickly to protect your life.
&&
LAT...LON 3084 8908 3084 8906 3083 8906 3082 8908
FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CATASTROPHIC
DAM FAILURE...OCCURRING
$$1 follow-up statement
048 WGUS74 KMOB 162117 FFSMOB Flash Flood Statement National Weather Service Mobile AL 417 PM CDT Fri Apr 16 2021 MSC131-162127- /O.CAN.KMOB.FF.W.0014.000000T0000Z-210417T0215Z/ /00000.U.DM.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Stone MS- 417 PM CDT Fri Apr 16 2021 ...FLASH FLOOD WARNING FOR THE FAILURE OF LAKE-A-WAY IS CANCELLED FOR NORTHEASTERN STONE COUNTY... Flooding along the Flint Creek downstream of Hall Lake Dam near the Lake-A-Way Camp Grounds does not pose a threat. Emergency Management has verified that the dam is still in tack. Therefore, that Flash Flood Emergency has been cancelled. A Flash Flood Watch remains in effect until 100 PM CDT Saturday for Portions of southwest Alabama. Portions of southeast Mississippi. LAT...LON 3084 8908 3084 8906 3083 8906 3082 8908 $$
Nearby
Flash Flood Warnings in Mississippi, 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.