Alert archive / Arkansas / Tornado Warnings in 2020

Tornado Warning 33, NWS Memphis, TN

August 27, 2020Phillips County, Arkansas

NWS Memphis, TN issued this tornado warning at Aug 27, 2020, 4:17 PM CDT for Phillips County, Arkansas. It was in force for 25 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
Aug 27, 2020, 4:17 PM CDT (21:17 UTC)
Expired
Aug 27, 2020, 4:42 PM CDT
In force
25 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Phillips County, AR

The radar

The Little Rock radar (KLZK), 129 km from the middle of the area, began a volume at 21:17 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
Aug 27, 3:47 PM CDTTornado WatchSPC8 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 9.3 hours before the alert went out and 120 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 2020-08-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 305 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 2020-08-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
305 J/kg
Mixed-layer CIN
-139 J/kg
Mixed-layer LCL
1050 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
50 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

202 
WFUS54 KMEG 272117
TORMEG
ARC107-272200-
/O.NEW.KMEG.TO.W.0033.200827T2117Z-200827T2200Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
417 PM CDT Thu Aug 27 2020

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Southwestern Phillips County in eastern Arkansas...

* Until 500 PM CDT.
    
* At 417 PM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located near Crumrod, or near White River
  National Wildlife Refuge, moving north at 60 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.

* Locations impacted include...
  White River National Wildlife Refuge, Crumrod, Lundell, Mosby Spur
  and Ferguson.

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.

&&

LAT...LON 3414 9108 3419 9109 3422 9106 3425 9108
      3425 9106 3428 9108 3430 9107 3429 9106
      3433 9106 3434 9105 3434 9100 3443 9100
      3414 9095 3412 9096 3412 9112
TIME...MOT...LOC 2117Z 163DEG 51KT 3411 9107 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

SGW
2 follow-up statements
987 
WWUS54 KMEG 272133
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
433 PM CDT Thu Aug 27 2020

ARC107-272200-
/O.CON.KMEG.TO.W.0033.000000T0000Z-200827T2200Z/
Phillips AR-
433 PM CDT Thu Aug 27 2020

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHWESTERN PHILLIPS COUNTY...
    
At 433 PM CDT, doppler radar indicated a severe thunderstorm
producing a tornado was located near St. Charles, or 7 miles
northwest of White River National Wildlife Refuge, moving north at 60
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.

Locations impacted include...
White River National Wildlife Refuge, Crumrod, Lundell, Mosby Spur
and Ferguson.

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.

&&

LAT...LON 3414 9108 3419 9109 3422 9106 3425 9108
      3425 9106 3428 9108 3430 9107 3429 9106
      3433 9106 3434 9105 3434 9100 3443 9100
      3414 9095 3412 9096 3412 9112
TIME...MOT...LOC 2133Z 163DEG 51KT 3430 9114 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

SGW
007 
WWUS54 KMEG 272142
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
442 PM CDT Thu Aug 27 2020

ARC107-272152-
/O.CAN.KMEG.TO.W.0033.000000T0000Z-200827T2200Z/
Phillips AR-
442 PM CDT Thu Aug 27 2020

...THE TORNADO WARNING FOR SOUTHWESTERN PHILLIPS COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 900 PM CDT for eastern
Arkansas...and northwestern Mississippi.

LAT...LON 3414 9108 3419 9109 3422 9106 3425 9108
      3425 9106 3428 9108 3430 9107 3429 9106
      3433 9106 3434 9105 3434 9100 3443 9100
      3414 9095 3412 9096 3412 9112
TIME...MOT...LOC 2141Z 163DEG 51KT 3441 9118 

$$

SGW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 27, 1:04 AM CDTFlash Flood WatchMEGClay, Craighead, Crittenden, Cross, Greene, Lee and 4 more51 hr
Aug 27, 2:33 AM CDTWind AdvisoryMEGClay, Craighead, Crittenden, Cross, Greene, Lee and 4 more37 hr
Aug 27, 5:20 PM CDTTornado WarningMEGLee, Phillips25 min
Aug 27, 5:34 PM CDTTornado WarningMEGLee, Phillips11 min
Aug 27, 5:38 PM CDTTornado WarningMEGLee, Phillips37 min
Aug 27, 5:46 PM CDTTornado WarningMEGLee, Phillips, St. Francis29 min
Aug 27, 6:17 PM CDTTornado WarningMEGLee, Phillips8 min
Aug 27, 6:23 PM CDTAreal Flood AdvisoryMEGLee, Phillips, St. Francis3 hr
Aug 27, 6:25 PM CDTTornado WarningMEGLee, St. Francis19 min
Aug 27, 6:46 PM CDTTornado WarningMEGCross, St. Francis17 min

Nearby

Tornado Warnings in Arkansas, 2020Every tornado warning in 2020Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.