Alert archive / Arkansas / Tornado Warnings in 2018

Tornado Warning 40, NWS Memphis, TN

November 1, 2018Craighead County, Mississippi County, Arkansas

NWS Memphis, TN issued this tornado warning at Nov 1, 2018, 12:34 AM CDT for Craighead County, Mississippi County, Arkansas. It was in force for 26 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 1, 2018, 12:34 AM CDT (05:34 UTC)
Expired
Nov 1, 2018, 1:00 AM CDT
In force
26 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Craighead County, AR, Mississippi County, AR

The radar

The Memphis radar (KNQA), 65 km from the middle of the area, began a volume at 05:35 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

Little Rock, AR (KBYH), launched 00:00Z, 5.6 hours before the alert went out and 113 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 00:00Z on 2018-11-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 381 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 00:00Z on 2018-11-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 220 square meters per square second.19395878Sfc1 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
381 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
535 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
220 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

As transmitted.

656 
WFUS54 KMEG 010534
TORMEG
ARC031-093-010600-
/O.NEW.KMEG.TO.W.0040.181101T0534Z-181101T0600Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
1234 AM CDT THU NOV 1 2018

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Southeastern Craighead County in eastern Arkansas...
  Northwestern Mississippi County in eastern Arkansas...

* Until 100 AM CDT.
    
* At 1234 AM CDT, doppler radar indicated a severe thunderstorm
  producing a tornado was located near Caraway, moving northeast at
  55 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...
  Manila, Lake City, Leachville, Monette, Caraway, Etowah, Black Oak,
  Jolliff Store, Poplar Ridge, Bunney, Delfore, Milligan Ridge,
  Lennie, Vail, Degelow, Big Lake, Poplar Corner, Carmi, Whisp and
  Mandalay.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3571 9044 3587 9043 3598 9016 3571 9015
TIME...MOT...LOC 0534Z 237DEG 49KT 3578 9038 

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

$$
2 follow-up statements
950 
WWUS54 KMEG 010548
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1248 AM CDT THU NOV 1 2018

ARC031-010558-
/O.CAN.KMEG.TO.W.0040.000000T0000Z-181101T0600Z/
Craighead AR-
1248 AM CDT THU NOV 1 2018

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

LAT...LON 3598 9016 3577 9015 3573 9029 3593 9029
TIME...MOT...LOC 0548Z 237DEG 49KT 3589 9018 

$$

ARC093-010600-
/O.CON.KMEG.TO.W.0040.000000T0000Z-181101T0600Z/
Mississippi AR-
1248 AM CDT THU NOV 1 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR
NORTHWESTERN MISSISSIPPI COUNTY...
    
At 1248 AM CDT, doppler radar indicated a severe thunderstorm
producing a tornado was located over Manila, moving northeast at 55
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...
Manila, Leachville, Caraway, Jolliff Store, Milligan Ridge, Lennie,
Vail, Big Lake, Poplar Corner, Carmi, Whisp, Mandalay, Walters and
Herman Davis State Park.

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.

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3598 9016 3577 9015 3573 9029 3593 9029
TIME...MOT...LOC 0548Z 237DEG 49KT 3589 9018 

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

$$
169 
WWUS54 KMEG 010551
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
1251 AM CDT THU NOV 1 2018

ARC093-010601-
/O.EXP.KMEG.TO.W.0040.000000T0000Z-181101T0600Z/
Mississippi AR-
1251 AM CDT THU NOV 1 2018

...THE TORNADO WARNING FOR NORTHWESTERN MISSISSIPPI COUNTY WILL
EXPIRE AT 100 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

LAT...LON 3598 9016 3577 9015 3573 9029 3593 9029
TIME...MOT...LOC 0551Z 237DEG 49KT 3590 9016 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 1, 12:19 AM CDTSpecial Weather StatementMEGCraighead26 min
Nov 1, 12:57 AM CDTSpecial Weather StatementMEGLee33 min
Nov 1, 1:19 AM CDTSpecial Weather StatementMEGCross, St. Francis26 min
Nov 1, 1:40 AM CDTSpecial Weather StatementMEGCross, Lee, St. Francis35 min
Nov 1, 2:01 AM CDTSpecial Weather StatementMEGCrittenden, Poinsett29 min
Nov 1, 2:28 AM CDTSpecial Weather StatementMEGMississippi47 min
Nov 1, 10:47 AM CDTRiver Flood AdvisoryMEGMississippi3 days
Nov 1, 10:47 AM CDTRiver Flood AdvisoryMEGMississippi3 days

Nearby

Tornado Warnings in Arkansas, 2018Every tornado warning in 2018Tornadoes in 2018

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.