Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 49, NWS Jackson, MS

June 3, 2017Attala County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 3, 2017, 3:07 PM CDT for Attala County, Mississippi. It was in force for 113 min. 2 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 3, 2017, 3:07 PM CDT (20:07 UTC)
Expired
Jun 3, 2017, 5:00 PM CDT
In force
113 min
Issued by
NWS Jackson, MS
Area
Storm-based polygon
Flood severity
None

County Attala County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 93 km from the middle of the area, began a volume at 20:10 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

TimeReportWhereRemark
Jun 3, 3:15 PM CDTFLASH FLOOD2 Sse Kosciusko, MSFLOOD WATER ENTERED A HOME IN THE WILLIAMSVILLE AREA. REPORT VIA SOCIAL MEDIA.
Jun 3, 3:30 PM CDTFLASH FLOODKosciusko, MSMULTIPLE STREETS FLOODED IN THE CITY OF KOSCIUSKO.

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, 8.1 hours before the alert went out and 91 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 2017-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 540 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 2017-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.1939Sfc1 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
540 J/kg
Mixed-layer CIN
-30 J/kg
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

556 
WGUS54 KJAN 032007
FFWJAN
MSC007-032200-
/O.NEW.KJAN.FF.W.0049.170603T2007Z-170603T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
307 PM CDT SAT JUN 3 2017

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Attala County in central Mississippi...

* Until 500 PM CDT

* At 307 PM CDT, local broadcast media reported flash flooding in 
  the city of Kosciusko. Two to three inches of rain have already 
  fallen. Flash flooding is already occurring.

* Some locations that will experience flooding include...
  Kosciusko, Hesterville, Mcadams, Possumneck, Smyrna, Ethel and
  Sallis.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3299 8932 3294 8964 3298 8988 3300 8988
      3304 8984 3306 8984 3307 8982 3311 8982
      3312 8980 3316 8979 3317 8978 3319 8978
      3320 8977 3317 8932

$$

DL
1 follow-up statement
431 
WGUS74 KJAN 032112
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
412 PM CDT SAT JUN 3 2017

MSC007-032122-
/O.CAN.KJAN.FF.W.0049.000000T0000Z-170603T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Attala MS-
412 PM CDT SAT JUN 3 2017

...THE FLASH FLOOD WARNING FOR ATTALA COUNTY IS CANCELLED...

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

LAT...LON 3299 8932 3294 8964 3298 8988 3300 8988
      3304 8984 3306 8984 3307 8982 3311 8982
      3312 8980 3316 8979 3317 8978 3319 8978
      3320 8977 3317 8932

$$

DL

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 7:09 PM CDTSpecial Weather StatementJANCovington36 min
Jun 3, 2:52 PM CDTSpecial Weather StatementJANLamar, Lawrence, Lincoln, Marion53 min
Jun 3, 2:55 PM CDTSpecial Weather StatementJANLamar, Lawrence, Lincoln, Marion50 min
Jun 3, 3:59 PM CDTSpecial Weather StatementJANCovington, Forrest, Jones61 min
Jun 3, 4:52 PM CDTFlash Flood WarningJANJones113 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; radar from the NEXRAD Level II archive.