Alert archive / Mississippi / Flash Flood Warnings in 2021

Flash Flood Warning 28, NWS Jackson, MS

June 6, 2021Jones County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 6, 2021, 2:59 PM CDT for Jones County, Mississippi. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 6, 2021, 2:59 PM CDT (19:59 UTC)
Expired
Jun 6, 2021, 6:00 PM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

County Jones County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 109 km from the middle of the area, began a volume at 19:58 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

Jackson, MS (KJAN), launched 12:00Z, 8.0 hours before the alert went out and 119 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-pSkew-T log-p diagram, Jackson, MS at 12:00Z on 2021-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 562 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 2021-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
562 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
548 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
236 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

348 
WGUS54 KJAN 061959
FFWJAN
MSC067-062300-
/O.NEW.KJAN.FF.W.0028.210606T1959Z-210606T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
259 PM CDT Sun Jun 6 2021

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Eastern Jones County in southeastern Mississippi...

* Until 600 PM CDT.

* At 255 PM CDT, emergency management reported widespread street 
  flooding from thunderstorms producing heavy rain in Laurel. 
  Between 2 and 4 inches of rain have fallen in the area, and flash 
  flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Emergency management.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  Laurel, Sandersville, Tuckers Crossing, Mill Creek and Ovett.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3172 8923 3182 8901 3182 8894 3143 8894
      3143 8915 3164 8919

FLASH FLOOD...OBSERVED
EXPECTED RAINFALL...1-2 INCHES IN 3 HOURS 

$$

NF
1 follow-up statement
441 
WGUS74 KJAN 062257
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
557 PM CDT Sun Jun 6 2021

MSC067-062307-
/O.EXP.KJAN.FF.W.0028.000000T0000Z-210606T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jones MS-
557 PM CDT Sun Jun 6 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 6 PM CDT THIS EVENING FOR 
EASTERN JONES COUNTY...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

A Flash Flood Watch remains in effect until 700 PM CDT for portions 
of southern and eastern Mississippi.

LAT...LON 3172 8923 3182 8901 3182 8894 3143 8894
      3143 8915 3164 8919

$$

NF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 3:01 AM CDTFlash Flood WatchJANClarke, Covington, Forrest, Jasper, Jefferson Davis, Jones and 6 more15 hr
Jun 6, 8:08 AM CDTFlash Flood WarningJANJefferson Davis, Lawrence4 hr
Jun 6, 9:28 AM CDTFlash Flood WarningJANSimpson3 hr
Jun 6, 9:52 AM CDTFlash Flood WarningJANSmith3 hr
Jun 6, 11:03 AM CDTFlash Flood WarningJANJefferson Davis, Lawrence3 hr
Jun 6, 12:56 PM CDTFlash Flood WarningJANCovington, Jasper, Jefferson Davis, Jones, Smith4 hr

Nearby

Flash Flood Warnings in Mississippi, 2021Every flash flood warning in 2021

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.