Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 53, NWS Jackson, MS

June 6, 2017Forrest County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 6, 2017, 8:11 AM CDT for Forrest County, Mississippi. It was in force for 3 hr. 1 report 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 6, 2017, 8:11 AM CDT (13:11 UTC)
Expired: Jun 6, 2017, 11:15 AM CDT
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

County Forrest County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 117 km from the middle of the area, began a volume at 13:12 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.

What was reported inside it

Time	Report	Where	Remark
Jun 6, 10:00 AM CDT	FLASH FLOOD	4 N West Hattiesburg, MS	CONTINUED FLASH FLOODING ACROSS THE NORTHERN PORTION OF FORREST COUNTY. MULTIPLE HOMES HAD WATER IN THEM, A BRIDGE WAS WASHED OUT, AND A CAMPER WAS SWEPT AWAY AT PEP'S POINT WATER PARK.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.2 hours before the alert went out and 126 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 825 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 465 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

869 
WGUS54 KJAN 061311
FFWJAN
MSC035-061615-
/O.NEW.KJAN.FF.W.0053.170606T1311Z-170606T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
811 AM CDT TUE JUN 6 2017

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  North central Forrest County in southeastern Mississippi...

* Until 1115 AM CDT

* At 810 AM CDT, emergency management reported flooding along creeks 
  in the warning area. Some campers have been flooded.

* Some locations that will experience flooding include...
  northern portions of Hattiesburg and Rawls Springs. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Flooding is occurring or is imminent. It is important to know where
you are relative to streams, rivers, or creeks which can become
killers in heavy rains. Campers and hikers should avoid streams or
creeks.

&&

LAT...LON 3136 8939 3143 8941 3143 8923 3138 8923
      3136 8929

$$

EC

1 follow-up statement

875 
WGUS74 KJAN 061612
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
1112 AM CDT TUE JUN 6 2017

MSC035-061622-
/O.EXP.KJAN.FF.W.0053.000000T0000Z-170606T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Forrest MS-
1112 AM CDT TUE JUN 6 2017

...THE FLASH FLOOD WARNING FOR NORTH CENTRAL FORREST COUNTY WILL
EXPIRE AT 1115 AM CDT...

Flood waters have receded. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.

LAT...LON 3136 8939 3143 8941 3143 8923 3138 8923
      3136 8929

$$

NF

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 6, 4:14 AM CDT	Flash Flood Warning	JAN	Covington, Forrest, Jones	3 hr
Jun 6, 5:56 AM CDT	Flash Flood Warning	JAN	Jones	3 hr
Jun 6, 9:03 AM CDT	Flash Flood Warning	JAN	Jones	3 hr
Jun 6, 10:15 AM CDT	Flash Flood Warning	JAN	Attala	3 hr
Jun 6, 11:05 AM CDT	Flash Flood Warning	JAN	Jones	9 hr

Nearby

Flash Flood Warnings in Mississippi, 2017 Every 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; radar from the NEXRAD Level II archive.