Alert archive / Tennessee / Tornado Warnings in 2017

Tornado Warning 2, NWS Memphis, TN

March 1, 2017Dyer County, Lauderdale County, Tipton County, Tennessee; Mississippi County, Arkansas; Pemiscot County, Missouri

NWS Memphis, TN issued this tornado warning at Mar 1, 2017, 4:24 AM CST for Dyer County, Lauderdale County, Tipton County, Tennessee; Mississippi County, Arkansas; Pemiscot County, Missouri. It was in force for 51 min. 7 reports 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
Mar 1, 2017, 4:24 AM CST (10:24 UTC)
Expired
Mar 1, 2017, 5:15 AM CST
In force
51 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Mississippi County, AR, Pemiscot County, MO, Dyer County, TN, Lauderdale County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 70 km from the middle of the area, began a volume at 10:23 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
Mar 1, 4:29 AM CSTTSTM WND GST 63Blytheville, ARWIND GUST MEASURED AT BLYTHEVILLE AIRPORT
Mar 1, 4:30 AM CSTTSTM WND DMG1 Ene Hickman, ARROOF BLOWN OFF OF FOUR-PLEX APARTMENT.
Mar 1, 4:30 AM CSTNON-TSTM WND DMG2 Nne Armorel, ARWIDESPREAD DAMAGE TO FENCES AND OUTBUILDINGS.
Mar 1, 4:35 AM CSTTSTM WND DMGHuffman, ARPORCH REMOVED FROM HOUSE AND BLOWN OVER 2 STORY HOUSE.
Mar 1, 4:45 AM CSTTSTM WND DMG2 Wsw Brighton, TNTREES DOWN OVER HIGHWAY 51 IN THE PORTERSVILLE AREA BETWEEN BRIGHTON AND ATOKA.
Mar 1, 4:50 AM CSTTSTM WND DMGFinley, TNSOME POWER LINES WERE BLOWN DOWN AND ELECTRIC POLES WERE SNAPPED.
Mar 1, 5:07 AM CSTTSTM WND GST 664 Ssw Dyersburg, TNMEASURED AT RAWS SITE.

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

The watch it was issued in

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

IssuedProductOfficeLasted
Feb 28, 8:29 PM CSTTornado WatchSPC12 hr
Mar 1, 3:03 AM CSTTornado WatchSPC5 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.4 hours before the alert went out and 288 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, Nashville Metro, TN at 00:00Z on 2017-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 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, Nashville Metro, TN at 00:00Z on 2017-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 411 square meters per square second.1939587897117Sfc1 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
66 J/kg
Mixed-layer CIN
-155 J/kg
Mixed-layer LCL
832 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
411 m²/s²
0-3 km storm-relative helicity
386 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

629 
WFUS54 KMEG 011024
TORMEG
ARC093-MOC155-TNC045-097-167-011115-
/O.NEW.KMEG.TO.W.0002.170301T1024Z-170301T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Memphis TN
424 AM CST WED MAR 1 2017

The National Weather Service in Memphis has issued a

* Tornado Warning for...
  Mississippi County in eastern Arkansas...
  Southern Pemiscot County in southeastern Missouri...
  Tipton County in western Tennessee...
  Western Dyer County in western Tennessee...
  Lauderdale County in western Tennessee...

* Until 515 AM CST

* At 423 AM CST, severe thunderstorms producing both tornadoes and
  extensive straight line wind damage were located along a line
  extending from 6 miles west of Wardell to near Blytheville to near
  Gilmore, moving east at 65 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. 

* These dangerous storms will be near...
  Hayti Heights around 430 AM CST. 
  Hayti and Dixonville around 435 AM CST. 
  Ripley and Munford around 445 AM CST. 
  Brighton, Halls and Unionville around 450 AM CST. 

Other locations impacted by these tornadic storms include Burlison,
Calumet, New Survey, Grider, Gobler, Covington, Atoka, Poplar Grove,
Shippen and Victoria.

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!

This line 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 3618 8962 3621 8940 3584 8941 3540 8969
      3544 9028 3590 9003 3600 9002 3600 8996
      3626 8996 3627 8980
TIME...MOT...LOC 1023Z 273DEG 58KT 3634 8993 3590 8995 3544 9021 

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

$$
2 follow-up statements
656 
WWUS54 KMEG 011048
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
448 AM CST WED MAR 1 2017

MOC155-011057-
/O.CAN.KMEG.TO.W.0002.000000T0000Z-170301T1115Z/
Pemiscot MO-
448 AM CST WED MAR 1 2017

...THE TORNADO WARNING FOR SOUTHERN PEMISCOT COUNTY IS CANCELLED...

The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 800 AM CST for eastern
Arkansas...southeastern Missouri...and western and west Tennessee.

LAT...LON 3584 8941 3540 8969 3544 9028 3563 8992
      3579 8979 3611 8964 3613 8959 3618 8962
      3621 8940
TIME...MOT...LOC 1047Z 273DEG 58KT 3632 8949 3588 8951 3542 8977 

$$

ARC093-TNC045-097-167-011115-
/O.CON.KMEG.TO.W.0002.000000T0000Z-170301T1115Z/
Mississippi AR-Tipton TN-Dyer TN-Lauderdale TN-
448 AM CST WED MAR 1 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 AM CST FOR
SOUTHEASTERN MISSISSIPPI...TIPTON...WESTERN DYER AND LAUDERDALE
COUNTIES...

At 447 AM CST, a severe squall line producing both tornadoes and
extensive straight line wind damage was located along a line
extending from near Ridgely to 6 miles west of Halls to near
Dixonville, moving east at 65 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. 

These dangerous storms will be near...
  Halls around 455 AM CST. 

Other locations impacted by these tornadic storms include Burlison,
Edith, Tomato, Jenkinsville, Luckett, Atoka, Randolph, Poplar Grove,
Curve and Tipton.

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 3584 8941 3540 8969 3544 9028 3563 8992
      3579 8979 3611 8964 3613 8959 3618 8962
      3621 8940
TIME...MOT...LOC 1047Z 273DEG 58KT 3632 8949 3588 8951 3542 8977 

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

$$
191 
WWUS54 KMEG 011108
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
508 AM CST WED MAR 1 2017

ARC093-TNC045-097-167-011118-
/O.EXP.KMEG.TO.W.0002.000000T0000Z-170301T1115Z/
Mississippi AR-Tipton TN-Dyer TN-Lauderdale TN-
508 AM CST WED MAR 1 2017

...THE TORNADO WARNING FOR SOUTHEASTERN MISSISSIPPI...TIPTON...
WESTERN DYER AND LAUDERDALE COUNTIES WILL EXPIRE AT 515 AM CST...
    
The storms which prompted the warning have moved out of the area.
Therefore the warning will be allowed to expire.  However gusty winds
are still possible with these thunderstorms.

A tornado watch remains in effect until 800 AM CST for eastern
Arkansas...southeastern Missouri...and western and west Tennessee.

LAT...LON 3584 8941 3540 8969 3544 9028 3563 8992
      3579 8979 3611 8964 3613 8959 3618 8962
      3621 8940
TIME...MOT...LOC 1108Z 270DEG 58KT 3630 8908 3586 8910 3540 8936 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 10:17 PM CSTSevere Thunderstorm WarningMEGObion, Weakley28 min
Feb 28, 10:22 PM CSTTornado WarningMEGObion, Weakley23 min
Mar 1, 4:36 AM CSTSevere Thunderstorm WarningMEGLake, Obion39 min
Mar 1, 4:41 AM CSTSevere Thunderstorm WarningMEGShelby34 min
Mar 1, 4:43 AM CSTTornado WarningMEGCrockett, Dyer, Gibson, Haywood, Lauderdale, Tipton47 min
Mar 1, 5:07 AM CSTSevere Thunderstorm WarningMEGCarroll, Crockett, Gibson, Haywood, Madison, Weakley38 min
Mar 1, 5:24 AM CSTSevere Thunderstorm WarningMEGBenton, Carroll, Decatur, Henderson, Henry51 min
Mar 1, 6:42 AM CSTSpecial Weather StatementMEGFayette33 min
Mar 1, 6:53 AM CSTSevere Thunderstorm WarningMEGFayette, Hardeman34 min
Mar 1, 6:54 AM CSTSevere Thunderstorm WarningMEGShelby22 min
Mar 1, 7:11 AM CSTSevere Thunderstorm WarningMEGFayette, Haywood, Tipton14 min
Mar 1, 7:20 AM CSTSevere Thunderstorm WarningMEGChester, McNairy28 min
Mar 1, 8:47 AM CSTSpecial Weather StatementMEGFayette13 min
Mar 1, 9:21 AM CSTSpecial Weather StatementMEGHardin24 min
Mar 1, 10:10 AM CSTSevere Thunderstorm WarningMEGHardin35 min
Feb 28, 8:54 PM CSTSevere Thunderstorm WarningMEGCraighead, Mississippi, Poinsett36 min
Feb 28, 10:01 PM CSTSevere Thunderstorm WarningMEGClay, Randolph29 min
Feb 28, 10:10 PM CSTSevere Thunderstorm WarningMEGClay35 min
Mar 1, 3:06 AM CSTSevere Thunderstorm WarningMEGLawrence, Randolph39 min
Mar 1, 3:23 AM CSTSevere Thunderstorm WarningMEGCraighead, Poinsett52 min
Mar 1, 3:28 AM CSTSevere Thunderstorm WarningMEGClay, Greene47 min
Mar 1, 3:57 AM CSTSevere Thunderstorm WarningMEGMississippi48 min
Mar 1, 4:16 AM CSTSevere Thunderstorm WarningMEGCraighead, Crittenden, Cross, Poinsett44 min
Mar 1, 5:48 AM CSTSevere Thunderstorm WarningMEGSt. Francis42 min
Mar 1, 8:23 AM CSTSpecial Weather StatementMEGCrittenden22 min

Nearby

Tornado Warnings in Tennessee, 2017Tornado Warnings in Arkansas, 2017Tornado Warnings in Missouri, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.