Alert archive / Arkansas / Flash Flood Warnings in 2020

Flash Flood Warning 13, NWS Jackson, MS

January 14, 2020Chicot County, Arkansas; Washington County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jan 14, 2020, 4:20 AM CST for Chicot County, Arkansas; Washington 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: Jan 14, 2020, 4:20 AM CST (10:20 UTC)
Expired: Jan 14, 2020, 7:20 AM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Storm-based polygon
Flood severity: None

Counties Chicot County, AR, Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 152 km from the middle of the area, began a volume at 10:20 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
Jan 14, 6:30 AM CST	FLASH FLOOD	3 S Winterville, MS	FLOODING ON PARTS OF LAKE FERGUSON RD.

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 00:00Z, 10.3 hours before the alert went out and 143 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 792 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 299 m²/s²
0-3 km storm-relative helicity: 316 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

505 
WGUS54 KJAN 141020
FFWJAN
ARC017-MSC151-141345-
/O.NEW.KJAN.FF.W.0013.200114T1020Z-200114T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Jackson MS
420 AM CST Tue Jan 14 2020

The National Weather Service in Jackson has issued a

* Flash Flood Warning for...
  Chicot County in southeastern Arkansas...
  Washington County in northwestern Mississippi...

* Until 745 AM CST.

* At 420 AM CST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Two to three inches of rain 
  have already fallen. Flash flooding is ongoing or expected to 
  begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar indicated.

  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 flooding include...
  Greenville, Leland, Hollandale, Lake Village, Dermott, Eudora,
  Avon, Metcalfe, Darlove, Wayside, Mcmillan Corner, Estill,
  Tribbett, Chicot Junction, Winterville, Murphy, Glen Allan and
  Arcola.

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 3352 9135 3352 9125 3356 9124 3353 9122
      3353 9078 3347 9076 3327 9076 3327 9073
      3323 9073 3320 9068 3312 9070 3310 9068
      3310 9091 3301 9092 3301 9146 3356 9145
      3356 9135

FLASH FLOOD...RADAR INDICATED

$$

DL

2 follow-up statements

174 
WGUS74 KJAN 141152
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
552 AM CST Tue Jan 14 2020

ARC017-MSC151-141345-
/O.CON.KJAN.FF.W.0013.000000T0000Z-200114T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chicot AR-Washington MS-
552 AM CST Tue Jan 14 2020

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CST FOR
CHICOT AND WASHINGTON COUNTIES...

At 550 AM CST, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to three inches of rain have already
fallen. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

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 flooding include...
Greenville, Leland, Hollandale, Lake Village, Dermott, Eudora, Avon,
Metcalfe, Darlove, Wayside, Mcmillan Corner, Estill, Tribbett, Chicot
Junction, Winterville, Murphy, Glen Allan and Arcola.

Additional rainfall amounts of up to one inch are possible in the 
warned area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

&&

LAT...LON 3352 9135 3352 9125 3356 9124 3353 9122
      3353 9078 3347 9076 3327 9076 3327 9073
      3323 9073 3320 9068 3312 9070 3310 9068
      3310 9091 3301 9092 3301 9146 3356 9145
      3356 9135

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1 INCHES IN 1 HOUR

$$

DC

658 
WGUS74 KJAN 141320
FFSJAN

Flash Flood Statement
National Weather Service Jackson MS
720 AM CST Tue Jan 14 2020

ARC017-MSC151-141330-
/O.CAN.KJAN.FF.W.0013.000000T0000Z-200114T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Chicot AR-Washington MS-
720 AM CST Tue Jan 14 2020

...THE FLASH FLOOD WARNING FOR CHICOT AND WASHINGTON COUNTIES IS
CANCELLED...

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

LAT...LON 3352 9135 3352 9125 3356 9124 3353 9122
      3353 9078 3347 9076 3327 9076 3327 9073
      3323 9073 3320 9068 3312 9070 3310 9068
      3310 9091 3301 9092 3301 9146 3356 9145
      3356 9135

$$

DC

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 14, 3:00 AM CST	Flash Flood Watch	JAN	Ashley, Chicot	21 hr
Jan 13, 7:01 PM CST	Areal Flood Warning	JAN	Jones	6 hr
Jan 14, 1:09 AM CST	Special Weather Statement	JAN	Bolivar	66 min
Jan 14, 1:10 AM CST	Special Weather Statement	JAN	Simpson	65 min
Jan 14, 1:43 AM CST	Special Weather Statement	JAN	Issaquena, Sharkey	62 min
Jan 14, 2:03 AM CST	Special Weather Statement	JAN	Humphreys	57 min
Jan 14, 3:44 AM CST	Flash Flood Warning	JAN	Issaquena, Sharkey	4 hr
Jan 14, 3:58 AM CST	Special Weather Statement	JAN	Holmes	62 min
Jan 14, 4:40 AM CST	Flash Flood Warning	JAN	Holmes, Humphreys, Yazoo	3 hr
Jan 14, 5:33 AM CST	Special Weather Statement	JAN	Yazoo	42 min
Jan 14, 5:45 AM CST	Flash Flood Warning	JAN	Attala, Holmes, Yazoo	3 hr
Jan 14, 6:33 AM CST	Special Weather Statement	JAN	Neshoba	42 min
Jan 14, 6:35 AM CST	Special Weather Statement	JAN	Warren	40 min
Jan 14, 7:28 AM CST	Special Weather Statement	JAN	Madison	47 min
Jan 14, 7:51 AM CST	Areal Flood Warning	JAN	Humphreys, Issaquena, Sharkey	6 hr
Jan 14, 9:39 AM CST	Flash Flood Warning Emergency	JAN	Hinds, Madison, Rankin	3 hr
Jan 14, 10:00 AM CST	River Flood Warning	JAN	Jones	5 days
Jan 14, 10:41 AM CST	Flash Flood Warning	JAN	Hinds, Warren	3 hr
Jan 14, 11:13 AM CST	River Flood Warning	JAN	Sunflower	71 hr
Jan 14, 11:13 AM CST	River Flood Warning	JAN	Sharkey	3 days
Jan 14, 11:28 AM CST	Flash Flood Warning	JAN	Rankin, Scott	3 hr
Jan 14, 11:51 AM CST	Flash Flood Warning EmergencyCatastrophic damage threat	JAN	Clay, Oktibbeha	9 hr
Jan 14, 12:25 PM CST	Flash Flood Warning	JAN	Copiah, Hinds, Rankin, Simpson	3 hr
Jan 14, 12:45 PM CST	Flash Flood Warning EmergencyCatastrophic damage threat	JAN	Hinds, Madison, Rankin	90 min
Jan 14, 1:01 PM CST	River Flood Warning	JAN	Leake	4 days
Jan 14, 2:07 PM CST	River Flood Warning	JAN	Leake	6 days
Jan 14, 2:07 PM CST	River Flood Warning	JAN	Madison, Rankin	7 days
Jan 14, 2:12 PM CST	Areal Flood Warning	JAN	Attala, Hinds, Holmes, Issaquena, Leake, Madison and 6 more	9 hr
Jan 14, 2:16 PM CST	Flash Flood Warning	JAN	Hinds	119 min
Jan 14, 4:11 PM CST	Flash Flood Warning	JAN	Adams	3 hr
Jan 14, 4:15 PM CST	Flash Flood Warning	JAN	Claiborne, Copiah, Jefferson	3 hr
Jan 14, 4:37 PM CST	River Flood Warning	JAN	Clarke	4 days

Nearby

Flash Flood Warnings in Arkansas, 2020 Flash Flood Warnings in Mississippi, 2020 Every flash flood warning in 2020

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.