Alert archive / Mississippi / Flash Flood Warnings in 2017

Flash Flood Warning 3, NWS Jackson, MS

January 19, 2017Franklin County, Jefferson County, Lincoln County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 19, 2017, 7:23 AM CST for Franklin County, Jefferson County, Lincoln 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: Jan 19, 2017, 7:23 AM CST (13:23 UTC)
Expired: Jan 19, 2017, 10:15 AM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Franklin County, MS, Jefferson County, MS, Lincoln County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 97 km from the middle of the area, began a volume at 13:25 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, 1.4 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.

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: 281 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 530 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

As transmitted.

522 
WGUS54 KJAN 191323
FFWJAN
MSC037-063-085-191615-
/O.NEW.KJAN.FF.W.0003.170119T1323Z-170119T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
723 AM CST THU JAN 19 2017

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Franklin County in southwestern Mississippi...
  Lincoln County in south central Mississippi...
  Southeastern Jefferson County in southwestern Mississippi...

* Until 1015 AM CST

* At 722 AM CST, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain,
  some locally higher amounts, have already fallen. Flash flooding
  is expected to begin shortly.

* Some locations that will experience flooding include...
  Brookhaven, Bude, Loyd Star, Vaughn, Mccall Creek, Union Church,
  West Lincoln, New Hope, Little Springs, Caseyville, Center Point
  and Meadville.

Additional rainfall amounts of near 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 3136 9096 3161 9098 3170 9077 3170 9041
      3169 9041 3169 9038 3170 9038 3170 9024
      3135 9057

$$

CME

2 follow-up statements

971 
WGUS74 KJAN 191510
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
910 AM CST THU JAN 19 2017

MSC037-063-085-191615-
/O.CON.KJAN.FF.W.0003.000000T0000Z-170119T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin MS-Lincoln MS-Jefferson MS-
910 AM CST THU JAN 19 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CST FOR
FRANKLIN...LINCOLN AND SOUTHEASTERN JEFFERSON COUNTIES...

At 908 AM CST, Flash flooding is already occurring.

Some locations that will experience flooding include...
Brookhaven, Bude, Loyd Star, Vaughn, Mccall Creek, Union Church, West
Lincoln, New Hope, Little Springs, Caseyville, Center Point and
Meadville.

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 3136 9096 3161 9098 3170 9077 3170 9041
      3169 9041 3169 9038 3170 9038 3170 9024
      3135 9057

$$

17

838 
WGUS74 KJAN 191513
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
913 AM CST THU JAN 19 2017

MSC037-063-085-191615-
/O.CON.KJAN.FF.W.0003.000000T0000Z-170119T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Franklin MS-Lincoln MS-Jefferson MS-
913 AM CST THU JAN 19 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 AM CST FOR
FRANKLIN...LINCOLN AND SOUTHEASTERN JEFFERSON COUNTIES...

At 911 AM CST, emergency management reported flash flooding in 
in many roads across the central and southern portions of the county.
Up to three inches of rain have already fallen. Flash flooding is
already occurring.

Some locations that will experience flooding include...
Brookhaven, Bude, Loyd Star, Vaughn, Mccall Creek, Union Church, West
Lincoln, New Hope, Little Springs, Caseyville, Center Point and
Meadville.

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 3136 9096 3161 9098 3170 9077 3170 9041
      3169 9041 3169 9038 3170 9038 3170 9024
      3135 9057

$$

17

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 19, 4:57 AM CST	Special Weather Statement	JAN	Lincoln	33 min
Jan 19, 5:14 AM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	46 min
Jan 19, 6:27 AM CST	Tornado Warning	JAN	Copiah	31 min
Jan 19, 7:20 AM CST	Flash Flood Warning	JAN	Copiah	3 hr
Jan 19, 7:43 AM CST	Tornado Warning	JAN	Simpson, Smith	62 min
Jan 19, 8:32 AM CST	Special Weather Statement	JAN	Lawrence	28 min
Jan 19, 8:41 AM CST	Tornado Warning	JAN	Scott, Smith	37 min
Jan 19, 9:01 AM CST	Flash Flood Warning	JAN	Simpson, Smith	3 hr
Jan 19, 10:46 AM CST	Flash Flood Warning	JAN	Franklin	6 hr
Jan 19, 11:08 AM CST	Flash Flood Warning	JAN	Copiah, Franklin, Jefferson, Lincoln	3 hr
Jan 19, 12:34 PM CST	Flash Flood Warning	JAN	Franklin	3 hr
Jan 19, 4:29 PM CST	Special Weather Statement	JAN	Madison, Rankin	31 min
Jan 19, 4:39 PM CST	Tornado Warning	JAN	Hinds, Madison, Rankin	27 min
Jan 19, 4:51 PM CST	Severe Thunderstorm Warning	JAN	Attala, Holmes, Leake, Madison, Rankin, Scott	30 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.