Alert archive / Arkansas / Flash Flood Warnings in 2016

Flash Flood Warning 49, NWS Memphis, TN

March 31, 2016Cross County, St. Francis County, Arkansas

NWS Memphis, TN issued this flash flood warning at Mar 31, 2016, 2:42 AM CDT for Cross County, St. Francis County, Arkansas. 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: Mar 31, 2016, 2:42 AM CDT (07:42 UTC)
Expired: Mar 31, 2016, 5:45 AM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Storm-based polygon
Flood severity: None

Counties Cross County, AR, St. Francis County, AR

The radar

The Memphis radar (KNQA), 104 km from the middle of the area, began a volume at 07:44 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 00:00Z, 7.7 hours before the alert went out and 317 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: 213 J/kg
Mixed-layer CIN: -113 J/kg
Mixed-layer LCL: 871 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 303 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted.

486 
WGUS54 KMEG 310742
FFWMEG
ARC037-123-311045-
/O.NEW.KMEG.FF.W.0049.160331T0742Z-160331T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
242 AM CDT THU MAR 31 2016

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CROSS COUNTY IN EASTERN ARKANSAS...
  WESTERN ST. FRANCIS COUNTY IN EASTERN ARKANSAS...

* UNTIL 545 AM CDT

* AT 241 AM CDT...RADAR ESTIMATES THAT 3 TO 5 INCHES OF RAIN HAS
  OCCURRED OVER THE PAST 6 HOURS. SHOWERS AND THUNDERSTORMS WILL
  PRODUCE AN ADDITIONAL 1 TO 3 INCHES OF RAIN OVER THE NEXT 3 HOURS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FORREST CITY...WYNNE...MADISON...PALESTINE...VILLAGE CREEK STATE
  PARK...CHERRY VALLEY...CALDWELL...COLT...WHEATLEY...WIDENER...
  HICKORY RIDGE...VANNDALE...DODSONS CORNER...RIVER FRONT...
  GOODWIN...HEUSTESS...PRINCEDALE...ROSENBAUM...COLTON AND WITTSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 3500 9114 3500 9105 3503 9104 3544 9102
      3545 9061 3544 9061 3544 9050 3490 9074
      3491 9109 3491 9110 3490 9110 3490 9112
      3491 9112 3491 9114

$$

1 follow-up statement

183 
WGUS74 KMEG 310922
FFSMEG

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
422 AM CDT THU MAR 31 2016

ARC037-123-310931-
/O.CAN.KMEG.FF.W.0049.000000T0000Z-160331T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CROSS AR-ST. FRANCIS AR-
422 AM CDT THU MAR 31 2016

...THE FLASH FLOOD WARNING FOR CROSS AND WESTERN ST. FRANCIS COUNTIES
IS CANCELLED...

THE HEAVY RAIN HAS ENDED...AND FLASH FLOODING IS NO LONGER EXPECTED
TO POSE A THREAT.

LAT...LON 3500 9114 3500 9105 3503 9104 3544 9102
      3545 9061 3544 9061 3544 9050 3490 9074
      3491 9109 3491 9110 3490 9110 3490 9112
      3491 9112 3491 9114

$$

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 30, 7:09 PM CDT	Flash Flood Warning Emergency	MEG	Craighead, Greene, Lawrence, Poinsett	3 hr
Mar 30, 7:21 PM CDT	Special Weather Statement	MEG	Poinsett	39 min
Mar 30, 7:56 PM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	49 min
Mar 30, 8:20 PM CDT	Flash Flood Warning	MEG	Craighead, Mississippi, Poinsett	6 hr
Mar 30, 8:55 PM CDT	Flash Flood Warning	MEG	Cross, St. Francis	3 hr
Mar 30, 8:59 PM CDT	Flash Flood Warning	MEG	Clay, Greene, Mississippi, Randolph	3 hr
Mar 30, 9:04 PM CDT	Flash Flood Warning	MEG	Lawrence, Randolph	3 hr
Mar 30, 10:07 PM CDT	Flash Flood Warning Emergency	MEG	Craighead, Greene, Lawrence, Poinsett	3 hr
Mar 30, 10:11 PM CDT	Flash Flood Warning	MEG	Mississippi	3 hr
Mar 30, 11:43 PM CDT	Flash Flood Warning	MEG	Cross, St. Francis	3 hr
Mar 30, 11:44 PM CDT	Flash Flood Warning	MEG	Clay, Greene, Mississippi, Randolph	3 hr
Mar 30, 11:48 PM CDT	Areal Flood Warning	MEG	Clay, Craighead, Lawrence, Randolph	3 hr
Mar 31, 1:08 AM CDT	Flash Flood Warning	MEG	Crittenden, Lee	3 hr
Mar 31, 1:31 AM CDT	Areal Flood Warning	MEG	Clay, Craighead, Greene, Lawrence, Poinsett, Randolph	4 hr
Mar 31, 1:36 AM CDT	Flash Flood Warning	MEG	Crittenden, Mississippi	3 hr
Mar 31, 1:40 AM CDT	Flash Flood Warning	MEG	Crittenden, Cross, Lee, Phillips, St. Francis	3 hr
Mar 31, 2:13 AM CDT	Flash Flood Warning	MEG	Craighead, Mississippi, Poinsett	3 hr
Mar 31, 2:39 AM CDT	Areal Flood Warning	MEG	Clay, Greene	3 hr
Mar 31, 3:19 AM CDT	Flash Flood Warning	MEG	Crittenden	3 hr
Mar 31, 4:11 AM CDT	Flash Flood Warning	MEG	Lee	64 min
Mar 31, 4:19 AM CDT	Flash Flood Warning	MEG	Crittenden, Mississippi	56 min
Mar 31, 5:09 AM CDT	Areal Flood Warning	MEG	Craighead, Lawrence, Poinsett	3 hr
Mar 31, 9:53 AM CDT	River Flood Warning	MEG	Craighead	69 hr
Mar 31, 9:53 AM CDT	River Flood Warning	MEG	Mississippi, Poinsett	4 days
Mar 31, 9:53 AM CDT	River Flood Warning	MEG	Lee, St. Francis	3 days
Mar 31, 10:09 AM CDT	Severe Thunderstorm Warning	MEG	Craighead, Poinsett	51 min
Mar 31, 10:31 AM CDT	Flash Flood Warning	MEG	Craighead, Poinsett	3 hr
Mar 31, 10:39 AM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	51 min
Mar 31, 10:48 AM CDT	Special Weather Statement	MEG	Greene	42 min
Mar 31, 10:57 AM CDT	Flash Flood Warning	MEG	Crittenden, Cross, Poinsett	3 hr
Mar 31, 10:57 AM CDT	Special Weather Statement	MEG	Mississippi	33 min
Mar 31, 10:59 AM CDT	Severe Thunderstorm Warning	MEG	Clay, Greene	46 min
Mar 31, 11:18 AM CDT	Severe Thunderstorm Warning	MEG	Craighead, Mississippi, Poinsett	42 min
Mar 31, 11:30 AM CDT	Severe Thunderstorm Warning	MEG	Cross, Poinsett	45 min
Mar 31, 11:55 AM CDT	Severe Thunderstorm Warning	MEG	Mississippi	50 min
Mar 31, 12:12 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Cross, Mississippi, Poinsett	48 min
Mar 31, 12:50 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	40 min
Mar 31, 12:55 PM CDT	Special Weather Statement	MEG	Mississippi	35 min
Mar 31, 3:20 PM CDT	Special Weather Statement	MEG	Lee, St. Francis	40 min
Mar 31, 3:39 PM CDT	Severe Thunderstorm Warning	MEG	Cross, Lee, Phillips, St. Francis	51 min
Mar 31, 4:22 PM CDT	Special Weather Statement	MEG	Crittenden, Lee	38 min
Mar 31, 4:29 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee, St. Francis	46 min
Mar 31, 4:33 PM CDT	Severe Thunderstorm Warning	MEG	Crittenden, Lee	42 min
Mar 31, 4:49 PM CDT	Severe Thunderstorm Warning	MEG	Phillips	41 min
Mar 31, 5:55 PM CDT	River Flood Warning	MEG	Clay, Greene	51 hr

Nearby

Flash Flood Warnings in Arkansas, 2016 Every flash flood warning in 2016

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.