Alert archive / Mississippi / Flash Flood Warnings in 2017
Flash Flood Warning 72, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jun 21, 2017, 3:48 PM CDT for Forrest County, Lamar County, Marion County, Mississippi. It was in force for 3 hr. 4 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
- Jun 21, 2017, 3:48 PM CDT (20:48 UTC)
- Expired
- Jun 21, 2017, 6:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Forrest County, MS, Lamar County, MS, Marion County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 21, 4:00 PM CDT | FLASH FLOOD | 10 E Lumberton, MS | WASH OUT ON ENTREKIN RD. BARRICADES HAVE BEEN PLACED UP BY LAW ENFORCEMENT. |
| Jun 21, 4:00 PM CDT | FLASH FLOOD | 9 E Purvis, MS | WATER COVERING TOWER RD. NEAR PAUL B JOHNSON STATE PARK. |
| Jun 21, 6:00 PM CDT | HEAVY RAIN 3.29 | 3 Nne Columbia, MS | EVENT TOTAL RAINFALL SO FAR AT COLUMBIA MARION COUNTY AIRPORT. THE DURATION OF THE HEAVY RAIN EVENT WAS 20 HOURS. |
| Jun 21, 6:29 PM CDT | FLASH FLOOD | 8 N Columbia, MS | POPE ROAD NORTH OF GOSS BUNKER HILL ROAD FLOODED. |
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 12:00Z, 8.8 hours before the alert went out and 96 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
- 262 J/kg
- Mixed-layer CIN
- -75 J/kg
- Mixed-layer LCL
- 465 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 485 m²/s²
- 0-3 km storm-relative helicity
- 506 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.3
The text
As transmitted.
694
WGUS54 KJAN 212048
FFWJAN
MSC035-073-091-212345-
/O.NEW.KJAN.FF.W.0072.170621T2048Z-170621T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
348 PM CDT WED JUN 21 2017
The National Weather Service in Jackson has issued a
* Flash Flood Warning for...
Marion County in south central Mississippi...
Forrest County in southeastern Mississippi...
Lamar County in southeastern Mississippi...
* Until 645 PM CDT
* At 347 PM CDT, Doppler radar indicated heavy rain falling across
the warned area. A widespread two to five inches of rain have
already fallen since late Tuesday night. Flash flooding is
expected to begin shortly.
* Some locations that will experience flooding include...
Hattiesburg, Petal, Columbia, Kokomo, West Hattiesburg, Sandy
Hook, Holly Springs, Purvis, Lumberton, Sumrall, Brooklyn, Maxie,
Bunker Hill, Rock Hill, Improve, and Mclaurin.
Additional rainfall amounts of one to two 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 8935 3101 8942 3098 8943 3098 8947
3101 8950 3100 8983 3107 8984 3107 8992
3113 8994 3113 9001 3117 9001 3118 9003
3139 9004 3139 8982 3144 8982 3143 8915
3091 8914 3091 8934
$$
191 follow-up statement
582
WGUS74 KJAN 212339
FFSJAN
Flash Flood Statement
National Weather Service Jackson MS
639 PM CDT WED JUN 21 2017
MSC035-073-091-212345-
/O.EXP.KJAN.FF.W.0072.000000T0000Z-170621T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Marion MS-Forrest MS-Lamar MS-
639 PM CDT WED JUN 21 2017
...THE FLASH FLOOD WARNING FOR MARION...FORREST AND LAMAR COUNTIES
WILL EXPIRE AT 645 PM CDT...
Although heavy rain has ended over the area at the moment, scattered
light to occasionally moderate showers will continue across the Pine
Belt region through much of the evening. This activity is not
expected to pose a flash flood threat. Please continue to heed any
remaining road closures.
LAT...LON 3101 8935 3101 8942 3098 8943 3098 8947
3101 8950 3100 8983 3107 8984 3107 8992
3113 8994 3113 9001 3117 9001 3118 9003
3139 9004 3139 8982 3144 8982 3143 8915
3091 8914 3091 8934
$$
19The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 4:56 AM CDT | Flash Flood Warning | JAN | Forrest, Lamar, Marion | 3 hr |
| Jun 21, 7:02 AM CDT | River Flood Warning | JAN | Forrest | 52 hr |
| Jun 21, 9:39 AM CDT | River Flood Warning | JAN | Clarke | 5 days |
| Jun 21, 10:46 AM CDT | River Flood Warning | JAN | Neshoba | 6 days |
| Jun 21, 10:46 AM CDT | River Flood Warning | JAN | Leake | 5 days |
| Jun 21, 11:31 AM CDT | Flash Flood Warning | JAN | Lamar, Marion | 3 hr |
| Jun 21, 4:36 PM CDT | Special Weather Statement | JAN | Forrest, Lamar, Marion | 39 min |
| Jun 21, 5:15 PM CDT | Special Weather Statement | JAN | Covington, Jefferson Davis, Lawrence | 60 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.