Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 67, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Aug 22, 2017, 9:42 PM CDT for Coahoma County, Quitman County, Mississippi. It was in force for 2 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
- Aug 22, 2017, 9:42 PM CDT (02:42 UTC)
- Expired
- Aug 22, 2017, 11:45 PM CDT
- In force
- 2 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Coahoma County, MS, Quitman County, MS
The radar
The Memphis radar (KNQA), 131 km from the middle of the area, began a volume at 02:45 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
Little Rock, AR (KBYH), launched 00:00Z, 2.7 hours before the alert went out and 77 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
- 1128 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 1371 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
240
WGUS54 KMEG 230242
FFWMEG
MSC027-119-230445-
/O.NEW.KMEG.FF.W.0067.170823T0242Z-170823T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
942 PM CDT TUE AUG 22 2017
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Eastern Coahoma County in northwestern Mississippi...
Quitman County in northwestern Mississippi...
* Until 1145 PM CDT
* At 941 PM CDT...Doppler Radar estimates 2 to 3 inches of rain has
occurred in 90 minutes. Showers and thunderstorms will produce an
additional 1 to 3 inches of rain over the next 2 hours.
* Some locations that will experience flooding include...
Clarksdale, Marks, Lambert, Jonestown, Friars Point, Crowder,
Belen, Dublin, Vance, Darling, Kings, Coahoma, Lyon, Lula, Mattson,
Rudyard, Moon, Barksdale, Denton and Sabino.
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 3430 9070 3432 9066 3434 9066 3447 9052
3434 9019 3430 9019 3426 9013 3408 9014
3407 9021 3407 9054
$$1 follow-up statement
302
WGUS74 KMEG 230443
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
1143 PM CDT TUE AUG 22 2017
MSC027-119-230453-
/O.EXP.KMEG.FF.W.0067.000000T0000Z-170823T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Coahoma MS-Quitman MS-
1143 PM CDT TUE AUG 22 2017
...THE FLASH FLOOD WARNING FOR EASTERN COAHOMA AND QUITMAN COUNTIES
WILL EXPIRE AT 1145 PM CDT...
The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.
LAT...LON 3430 9070 3432 9066 3434 9066 3447 9052
3434 9019 3430 9019 3426 9013 3408 9014
3407 9021 3407 9054
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:51 PM CDT | Special Weather Statement | MEG | Tishomingo | 54 min |
| Aug 22, 8:10 PM CDT | Special Weather Statement | MEG | Lafayette | 35 min |
Nearby
Flash Flood Warnings in Mississippi, 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.