Alert archive / Arkansas / Tornado Warnings in 2017

Tornado Warning 71, NWS Memphis, TN

November 3, 2017Lee County, Phillips County, Arkansas

NWS Memphis, TN issued this tornado warning at Nov 3, 2017, 5:29 PM CDT for Lee County, Phillips County, Arkansas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Nov 3, 2017, 5:29 PM CDT (22:29 UTC)
Expired
Nov 3, 2017, 6:00 PM CDT
In force
31 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Lee County, AR, Phillips County, AR

The radar

The Memphis radar (KNQA), 126 km from the middle of the area, began a volume at 22:30 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 3, 3:49 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 12:00Z, 10.5 hours before the alert went out and 89 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 2017-11-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1840 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 2017-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -67 square meters per square second.193958Sfc1 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
1840 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
478 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-67 m²/s²
0-3 km storm-relative helicity
-73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

920 
WFUS54 KMEG 032229
TORMEG
ARC077-107-032300-
/O.NEW.KMEG.TO.W.0071.171103T2229Z-171103T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
529 PM CDT FRI NOV 3 2017

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  South central Lee County in eastern Arkansas...
  Northeastern Phillips County in eastern Arkansas...

* Until 600 PM CDT
    
* At 529 PM CDT, a severe thunderstorm producing a tornado was
  located over Marvell, moving northeast at 15 mph.

  HAZARD...Tornado. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Lexa and Rondo around 600 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Latour, Kindall, Poplar Grove, Turkey Scratch, Vineyard, Kingtown,
Spring Creek, Trenton, Barton and Wycamp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

This cluster of thunderstorms is producing tornadoes and widespread
significant wind damage. Do not wait to see or hear the tornado. For
your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3448 9094 3459 9099 3471 9082 3452 9066
TIME...MOT...LOC 2229Z 240DEG 15KT 3454 9092 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
2 follow-up statements
406 
WWUS54 KMEG 032245
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
545 PM CDT FRI NOV 3 2017

ARC077-032255-
/O.CAN.KMEG.TO.W.0071.000000T0000Z-171103T2300Z/
Lee AR-
545 PM CDT FRI NOV 3 2017

...THE TORNADO WARNING FOR SOUTH CENTRAL LEE COUNTY IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A severe thunderstorm watch remains in effect until 1000 PM CDT for
eastern Arkansas.

LAT...LON 3448 9094 3459 9091 3464 9088 3464 9076
      3452 9066
TIME...MOT...LOC 2245Z 240DEG 15KT 3457 9085 

$$

ARC107-032300-
/O.CON.KMEG.TO.W.0071.000000T0000Z-171103T2300Z/
Phillips AR-
545 PM CDT FRI NOV 3 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR
NORTHEASTERN PHILLIPS COUNTY...
    
At 545 PM CDT, a severe thunderstorm producing a tornado was located
near Marvell, moving northeast at 15 mph.

HAZARD...Tornado. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Lexa around 600 PM CDT. 

Other locations impacted by this tornadic thunderstorm include
Latour, Kindall, Poplar Grove, Kingtown, Spring Creek, Trenton,
Barton and Wycamp.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a storm shelter or an interior room on the
lowest floor of a sturdy building. Avoid windows. If you are
outdoors, in a mobile home, or in a vehicle, move to the closest
substantial shelter and protect yourself from flying debris.

This cluster of thunderstorms is producing tornadoes and widespread
significant wind damage. Do not wait to see or hear the tornado. For
your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3448 9094 3459 9091 3464 9088 3464 9076
      3452 9066
TIME...MOT...LOC 2245Z 240DEG 15KT 3457 9085 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
212 
WWUS54 KMEG 032256
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
556 PM CDT FRI NOV 3 2017

ARC107-032305-
/O.EXP.KMEG.TO.W.0071.000000T0000Z-171103T2300Z/
Phillips AR-
556 PM CDT FRI NOV 3 2017

...THE TORNADO WARNING FOR NORTHEASTERN PHILLIPS COUNTY WILL EXPIRE
AT 600 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and is no longer producing a tornado. Therefore, the warning
will be allowed to expire.

A severe thunderstorm watch remains in effect until 1000 PM CDT for
eastern Arkansas.

Remember, a Severe Thunderstorm Warning still remains in effect for
northeast Phillips County.

LAT...LON 3448 9094 3459 9091 3464 9088 3464 9076
      3452 9066
TIME...MOT...LOC 2255Z 240DEG 15KT 3459 9081 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 3, 5:06 PM CDTSpecial Weather StatementMEGLee39 min
Nov 3, 5:09 PM CDTSpecial Weather StatementMEGPhillips51 min
Nov 3, 5:54 PM CDTSevere Thunderstorm WarningMEGPhillips51 min
Nov 3, 6:03 PM CDTSevere Thunderstorm WarningMEGPhillips27 min

Nearby

Tornado Warnings in Arkansas, 2017Every tornado warning in 2017Tornadoes 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.