Alert archive / Arkansas / Flash Flood Warnings in 2019

Flash Flood Warning 21, NWS Memphis, TN

February 23, 20194 counties in Arkansas

NWS Memphis, TN issued this flash flood warning at Feb 23, 2019, 11:24 AM CST for 4 counties in Arkansas. 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
Feb 23, 2019, 11:24 AM CST (17:24 UTC)
Expired
Feb 23, 2019, 2:30 PM CST
In force
3 hr
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Flood severity
None

Counties Craighead County, AR, Cross County, AR, Mississippi County, AR, Poinsett County, AR

The radar

The Memphis radar (KNQA), 45 km from the middle of the area, began a volume at 17:26 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
Feb 23, 11:25 AM CSTFLASH FLOOD1 S Jonesboro, ARFLOODING OF ROAD IN SOUTH JONESBORO WITH 10 INCHES OF WATER OVER ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 5.4 hours before the alert went out and 90 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, Little Rock, AR at 12:00Z on 2019-02-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 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, Little Rock, AR at 12:00Z on 2019-02-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 426 square meters per square second.1939587897117136Sfc1 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
62 J/kg
Mixed-layer CIN
-265 J/kg
Mixed-layer LCL
430 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
426 m²/s²
0-3 km storm-relative helicity
456 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

085 
WGUS54 KMEG 231724
FFWMEG
ARC031-037-093-111-232030-
/O.NEW.KMEG.FF.W.0021.190223T1724Z-190223T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Memphis TN
1124 AM CST SAT FEB 23 2019

The National Weather Service in Memphis has issued a

* Flash Flood Warning for...
  Craighead County in eastern Arkansas...
  Poinsett County in eastern Arkansas...
  Mississippi County in eastern Arkansas...
  Cross County in eastern Arkansas...

* Until 230 PM CST.

* At 1123 AM CST...Doppler Radar estimates 1 to 3 inches of rain has
  occurred over the past 2 hours. Showers and thunderstorms will 
  produce an additional 1 to 3 inches of rain over the two hours.

* Some locations that will experience flooding include...
  Jonesboro, Blytheville, Wynne, Osceola, Trumann, Gosnell, Manila,
  Marked Tree, Harrisburg, Bono, Lake City, Leachville, Lepanto, Bay,
  Brookland, Monette, Caraway, Luxora, Parkin and Wilson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Some roads are already flooded.

&&

LAT...LON 3588 9103 3588 9087 3596 9085 3599 8972
      3576 8981 3573 8996 3566 8992 3565 8985
      3559 8996 3552 8991 3556 8999 3555 9004
      3546 9002 3539 9005 3547 9007 3548 9011
      3544 9014 3544 9050 3514 9050 3515 9104

$$

TLSJr
1 follow-up statement
239 
WGUS74 KMEG 231819
FFSMEG

Flash Flood Statement
National Weather Service Memphis TN
1219 PM CST SAT FEB 23 2019

ARC031-037-093-111-232030-
/O.CON.KMEG.FF.W.0021.000000T0000Z-190223T2030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Craighead AR-Poinsett AR-Mississippi AR-Cross AR-
1219 PM CST SAT FEB 23 2019

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 PM CST FOR
CRAIGHEAD...POINSETT...MISSISSIPPI AND CROSS COUNTIES...

At 1218 PM CST,Doppler Radar estimates 1 to 3 inches of rain has
occurred over the past hour. Showers and thunderstorms will produce
an additional 1 to 3 inches of rain over the next hour.

Some locations that will experience flooding include...
Jonesboro, Blytheville, Wynne, Osceola, Trumann, Gosnell, Manila,
Marked Tree, Harrisburg, Bono, Lake City, Leachville, Lepanto, Bay,
Brookland, Monette, Caraway, Luxora, Parkin and Wilson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3588 9103 3588 9087 3596 9085 3599 8972
      3576 8981 3573 8996 3566 8992 3565 8985
      3559 8996 3552 8991 3556 8999 3555 9004
      3546 9002 3539 9005 3547 9007 3548 9011
      3544 9014 3544 9050 3514 9050 3515 9104

$$

TLSJr

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 22, 10:37 PM CSTAreal Flood AdvisoryMEGPhillips3 hr
Feb 23, 10:04 AM CSTSpecial Weather StatementMEGCraighead, Poinsett41 min
Feb 23, 10:51 AM CSTSpecial Weather StatementMEGCross, Poinsett24 min
Feb 23, 11:11 AM CSTSpecial Weather StatementMEGMississippi49 min
Feb 23, 11:19 AM CSTSpecial Weather StatementMEGCross41 min
Feb 23, 11:52 AM CSTSevere Thunderstorm WarningMEGCrittenden, Cross, St. Francis38 min
Feb 23, 12:19 PM CSTSevere Thunderstorm WarningMEGMississippi41 min
Feb 23, 12:28 PM CSTSevere Thunderstorm WarningMEGCrittenden, Cross, Mississippi, St. Francis32 min
Feb 23, 12:41 PM CSTFlash Flood WarningMEGCrittenden, Lee, St. Francis3 hr
Feb 23, 12:53 PM CSTSpecial Weather StatementMEGCrittenden52 min
Feb 23, 2:16 PM CSTSevere Thunderstorm WarningMEGLee, Phillips44 min
Feb 23, 2:54 PM CSTSevere Thunderstorm WarningMEGLee, Phillips, St. Francis51 min
Feb 23, 3:28 PM CSTSpecial Weather StatementMEGCrittenden32 min
Feb 23, 3:52 PM CSTSevere Thunderstorm WarningMEGCrittenden38 min

Nearby

Flash Flood Warnings in Arkansas, 2019Every flash flood warning in 2019

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.