Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 41, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at May 12, 2017, 7:16 PM CDT for 4 counties in Mississippi. It was in force for 119 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
- May 12, 2017, 7:16 PM CDT (00:16 UTC)
- Expired
- May 12, 2017, 9:15 PM CDT
- In force
- 119 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carroll County, MS, Clay County, MS, Montgomery County, MS, Webster County, MS
The radar
The Columbus AFB radar (KGWX), 88 km from the middle of the area, began a volume at 00:16 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, 0.3 hours before the alert went out and 155 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
- 40 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 519 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
481
WGUS54 KJAN 130016
FFWJAN
MSC015-025-097-155-130215-
/O.NEW.KJAN.FF.W.0041.170513T0016Z-170513T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
716 PM CDT FRI MAY 12 2017
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Eastern Carroll County in north central Mississippi...
Webster County in north central Mississippi...
Montgomery County in north central Mississippi...
Clay County in northeastern Mississippi...
* Until 915 PM CDT
* At 716 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding is expected to
begin shortly.
* Some locations that will experience flooding include...
Winona, Montpelier, Eupora, Vaiden, Kilmichael, Mathiston,
Cumberland, Griffith, Sweatman, Lodi, Clarkson, Pheba,
Bellefontaine, Pala Alto, Embry, Mantee and Walthall.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3369 8872 3357 8876 3356 8909 3353 8909
3352 8926 3350 8932 3347 8934 3345 8940
3343 8941 3344 8945 3338 8945 3328 8994
3357 8987 3372 8932 3372 8919 3374 8919
3376 8893 3381 8893 3381 8872
$$
EC1 follow-up statement
825
WGUS74 KJAN 130124
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
824 PM CDT FRI MAY 12 2017
MSC015-025-097-155-130133-
/O.CAN.KJAN.FF.W.0041.000000T0000Z-170513T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Carroll MS-Webster MS-Montgomery MS-Clay MS-
824 PM CDT FRI MAY 12 2017
...THE FLASH FLOOD WARNING FOR EASTERN CARROLL...WEBSTER...MONTGOMERY
AND CLAY COUNTIES IS CANCELLED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please heed any road closures.
LAT...LON 3369 8872 3357 8876 3356 8909 3353 8909
3352 8926 3350 8932 3347 8934 3345 8940
3343 8941 3344 8945 3338 8945 3328 8994
3357 8987 3372 8932 3372 8919 3374 8919
3376 8893 3381 8893 3381 8872
$$
ECThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 12, 7:02 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 28 min |
| May 12, 7:26 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 34 min |
| May 12, 7:30 PM CDT | Special Weather Statement | JAN | Clay | 30 min |
| May 12, 7:32 PM CDT | Special Weather Statement | JAN | Simpson | 43 min |
| May 12, 7:42 PM CDT | Special Weather Statement | JAN | Attala | 48 min |
| May 12, 8:18 PM CDT | Special Weather Statement | JAN | Rankin | 27 min |
| May 12, 9:04 PM CDT | Special Weather Statement | JAN | Lowndes | 26 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.