Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 9, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jan 21, 2017, 4:31 AM CST for 6 counties in Mississippi. It was in force for 4 hr. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jan 21, 2017, 4:31 AM CST (10:31 UTC)
- Expired
- Jan 21, 2017, 8:30 AM CST
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Covington County, MS, Forrest County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Marion County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 21, 5:00 AM CST | FLASH FLOOD | 3 Sse Columbia, MS | OLD RIVER ROAD SOUTH UNDERWATER |
| Jan 21, 5:12 AM CST | FLASH FLOOD | 2 Wnw Hattiesburg, MS | MULTIPLE PORTIONS OF SOUTHERN MISS CAMPUS WERE EXPERIENCING FLASH FLOODING. |
| Jan 21, 5:25 AM CST | FLASH FLOOD | 3 Nne Ellisville, MS | FLOODING WAS REPORTED ALONG PRUETT ROAD NEAR BURNT BRIDGE ROAD AND THE TALLAHALA CREEK. ROADS ARE NOW PASSABLE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 10.5 hours before the alert went out and 114 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
- 628 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.6
The text
As transmitted.
612
WGUS54 KJAN 211031
FFWJAN
MSC031-035-065-067-073-091-211430-
/O.NEW.KJAN.FF.W.0009.170121T1031Z-170121T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
431 AM CST SAT JAN 21 2017
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Northern Forrest County in southeastern Mississippi...
Lamar County in southeastern Mississippi...
Southeastern Covington County in southeastern Mississippi...
Jones County in southeastern Mississippi...
Marion County in south central Mississippi...
Southeastern Jefferson Davis County in south central Mississippi...
* Until 830 AM CST
* At 429 AM CST, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Up to three inches of rain have
already fallen. Flash flooding is expected.
* Some locations that will experience flooding include...
Hattiesburg, Laurel, Petal, Columbia, Ellisville, Kokomo, Sandy
Hook, West Hattiesburg, Holly Springs, Purvis, Sumrall, Sanford,
Tuckers Crossing, Eastabuchie, Ovett, Pickwick, Society Hill,
Macedonia, Morgantown and Baxterville.
Additional rainfall amounts of one to two inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles at night.
&&
LAT...LON 3101 8982 3102 8984 3107 8984 3107 8992
3113 8994 3113 9000 3136 9003 3158 8943
3180 8897 3145 8895 3143 8897 3143 8914
3130 8915 3115 8934
$$
72 follow-up statements
229
WGUS74 KJAN 211309
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
709 AM CST SAT JAN 21 2017
MSC031-065-211318-
/O.CAN.KJAN.FF.W.0009.000000T0000Z-170121T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Covington MS-Jefferson Davis MS-
709 AM CST SAT JAN 21 2017
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN COVINGTON AND
SOUTHEASTERN JEFFERSON DAVIS COUNTIES IS CANCELLED...
Flooding is no longer expected to pose a threat. Please continue to
heed any remaining road closures.
LAT...LON 3101 8982 3102 8984 3107 8984 3107 8992
3113 8994 3113 9000 3136 9003 3139 8995
3139 8982 3142 8982 3143 8975 3143 8940
3161 8928 3180 8897 3145 8895 3143 8897
3143 8914 3130 8915 3115 8934
$$
MSC035-067-073-091-211430-
/O.CON.KJAN.FF.W.0009.000000T0000Z-170121T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forrest MS-Lamar MS-Jones MS-Marion MS-
709 AM CST SAT JAN 21 2017
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 AM CST FOR
NORTHERN FORREST...LAMAR...SOUTHEASTERN JONES AND MARION COUNTIES...
At 708 AM CST, Doppler radar indicated heavy rain across the warned
area. Three to five inches of rain have fallen. Flash flooding is
already occurring.
Some locations that will experience flooding include...
Hattiesburg, Laurel, Petal, Columbia, Ellisville, Kokomo, Sandy Hook,
West Hattiesburg, Holly Springs, Purvis, Sumrall, Tuckers Crossing,
Eastabuchie, Ovett, Pickwick, Macedonia, Morgantown, Baxterville,
Pinebur and Bunker Hill.
Additional rainfall amounts of one to two inches are possible in the
warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3101 8982 3102 8984 3107 8984 3107 8992
3113 8994 3113 9000 3136 9003 3139 8995
3139 8982 3142 8982 3143 8975 3143 8940
3161 8928 3180 8897 3145 8895 3143 8897
3143 8914 3130 8915 3115 8934
$$
7402
WGUS74 KJAN 211427
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
827 AM CST SAT JAN 21 2017
MSC035-067-073-091-211437-
/O.EXP.KJAN.FF.W.0009.000000T0000Z-170121T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forrest MS-Lamar MS-Jones MS-Marion MS-
827 AM CST SAT JAN 21 2017
...THE FLASH FLOOD WARNING FOR NORTHERN FORREST...LAMAR...
SOUTHEASTERN JONES AND MARION COUNTIES WILL EXPIRE AT 830 AM CST...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3101 8982 3102 8984 3107 8984 3107 8992
3113 8994 3113 9000 3136 9003 3139 8995
3139 8982 3142 8982 3143 8975 3143 8940
3161 8928 3180 8897 3145 8895 3143 8897
3143 8914 3130 8915 3115 8934
$$
19The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 12:24 AM CST | Severe Thunderstorm Warning | JAN | Adams, Franklin | 66 min |
| Jan 21, 12:51 AM CST | Severe Thunderstorm Warning | JAN | Adams | 54 min |
| Jan 21, 1:19 AM CST | Severe Thunderstorm Warning | JAN | Copiah, Lincoln | 56 min |
| Jan 21, 1:38 AM CST | Severe Thunderstorm Warning | JAN | Franklin | 52 min |
| Jan 21, 2:02 AM CST | Severe Thunderstorm Warning | JAN | Rankin, Simpson | 58 min |
| Jan 21, 2:22 AM CST | Severe Thunderstorm Warning | JAN | Lawrence, Lincoln | 53 min |
| Jan 21, 2:29 AM CST | Severe Thunderstorm Warning | JAN | Covington, Jefferson Davis, Marion | 61 min |
| Jan 21, 2:57 AM CST | Tornado Warning | JAN | Lamar, Marion | 63 min |
| Jan 21, 3:04 AM CST | Special Weather Statement | JAN | Scott, Smith | 26 min |
| Jan 21, 3:12 AM CST | Tornado Warning | JAN | Covington, Jasper, Jones, Smith | 48 min |
| Jan 21, 3:20 AM CST | Flash Flood Warning | JAN | Adams, Claiborne, Copiah, Franklin, Jefferson, Lincoln | 3 hr |
| Jan 21, 3:26 AM CST | Special Weather Statement | JAN | Clarke | 34 min |
| Jan 21, 3:32 AM CST | Severe Thunderstorm Warning | JAN | Jones | 43 min |
| Jan 21, 3:36 AM CST | Tornado Warning | JAN | Forrest, Jones, Lamar | 54 min |
| Jan 21, 3:38 AM CST | Severe Thunderstorm Warning | JAN | Jefferson Davis, Marion | 25 min |
| Jan 21, 3:57 AM CST | Tornado Warning | JAN | Lamar | 38 min |
| Jan 21, 4:09 AM CST | Severe Thunderstorm Warning | JAN | Jasper | 51 min |
| Jan 21, 4:24 AM CST | Severe Thunderstorm Warning | JAN | Forrest, Jones | 42 min |
| Jan 21, 4:24 AM CST | Tornado Warning | JAN | Clarke | 41 min |
| Jan 21, 9:21 AM CST | River Flood Warning | JAN | Lawrence | 4 days |
| Jan 21, 2:21 PM CST | River Flood Warning | JAN | Leake | 4 days |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.