Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 99, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Dec 23, 2017, 1:22 AM CST for Benton County, Marshall County, Tippah County, Mississippi. It was in force for 113 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
- Dec 23, 2017, 1:22 AM CST (07:22 UTC)
- Expired
- Dec 23, 2017, 3:15 AM CST
- In force
- 113 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Benton County, MS, Marshall County, MS, Tippah County, MS
The radar
The Memphis radar (KNQA), 75 km from the middle of the area, began a volume at 07:26 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, 7.4 hours before the alert went out and 47 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
- 455 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 372 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
416
WGUS54 KMEG 230722
FFWMEG
MSC009-093-139-230915-
/O.NEW.KMEG.FF.W.0099.171223T0722Z-171223T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
122 AM CST SAT DEC 23 2017
The National Weather Service in Memphis has issued a
* Flash Flood Warning for...
Marshall County in northwestern Mississippi...
Northwestern Tippah County in northeastern Mississippi...
Benton County in northeastern Mississippi...
* Until 315 AM CST
* At 122 AM CST...Doppler Radar estimates 2 to 5 inches of rain has
occurred in the past 12 hours. 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...
Holly Springs, Wall Doxey State Park, Lamar, Byhalia, Snow Lake
Shores, Canaan, Mt Pleasant, Michigan City, Red Banks, Slayden,
Marianna, Walnut, Ashland, Falkner, Coal Oil Corner, Chalybeate,
Cayce, Brody, Higdon and Watson.
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.
Please report flooding to your local law enforcement agency when you
can do so safely.
&&
LAT...LON 3458 8967 3468 8967 3469 8972 3499 8972
3499 8882 3486 8882
$$1 follow-up statement
836
WGUS74 KMEG 230904
FFSMEG
Flash Flood Statement
National Weather Service Memphis TN
304 AM CST SAT DEC 23 2017
MSC009-093-139-230914-
/O.CAN.KMEG.FF.W.0099.000000T0000Z-171223T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marshall MS-Tippah MS-Benton MS-
304 AM CST SAT DEC 23 2017
...THE FLASH FLOOD WARNING FOR MARSHALL...NORTHWESTERN TIPPAH AND
BENTON COUNTIES IS CANCELLED...
The heavy rain has ended. Flood waters have receded. Flooding is no
longer expected to pose a threat. Please continue to heed any
remaining road closures.
LAT...LON 3458 8967 3468 8967 3469 8972 3499 8972
3499 8882 3486 8882
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 6:11 PM CST | River Flood Warning | MEG | Tate, Tunica | 40 hr |
| Dec 23, 12:33 AM CST | Areal Flood Warning | MEG | DeSoto, Tate, Tunica | 6 hr |
| Dec 23, 2:17 AM CST | Special Weather Statement | MEG | Tallahatchie, Yalobusha | 43 min |
| Dec 23, 2:44 AM CST | Special Weather Statement | MEG | Lafayette, Pontotoc, Union | 46 min |
| Dec 23, 3:14 AM CST | Severe Thunderstorm Warning | MEG | Benton, Tippah, Union | 31 min |
| Dec 23, 3:22 AM CST | Tornado Warning | MEG | Tippah, Union | 11 min |
| Dec 23, 3:38 AM CST | Severe Thunderstorm Warning | MEG | Alcorn, Prentiss, Tippah | 37 min |
| Dec 23, 4:08 AM CST | Special Weather Statement | MEG | Alcorn | 52 min |
| Dec 23, 5:00 AM CST | Special Weather Statement | MEG | Itawamba, Tishomingo | 45 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.