Alert archive / Tennessee / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 49, NWS Memphis, TN

March 9, 2017Pemiscot County, Missouri; Lake County, Obion County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Mar 9, 2017, 8:00 PM CST for Pemiscot County, Missouri; Lake County, Obion County, Tennessee. It was in force for 45 min. 3 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 9, 2017, 8:00 PM CST (02:00 UTC)
Expired
Mar 9, 2017, 8:45 PM CST
In force
45 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Pemiscot County, MO, Lake County, TN, Obion County, TN

The radar

The Paducah radar (KPAH), 96 km from the middle of the area, began a volume at 02:04 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 9, 8:43 PM CSTTSTM WND GST 65Tiptonville, TNWIND GUSTS ESTIMATED AT 65 MPH WITH DAMAGE TO SMALL TREE LIMBS. ALSO EXPERIENCED HAIL UP TO 1/2 INCH IN DIAMETER.
Mar 9, 8:50 PM CSTTSTM WND DMG3 N Union City, TNFOUR BARN LIKE STRUCTURES DESTROYED AND 3 VERY LARGE GRAIN BINS SEVERLY DAMAGED.
Mar 9, 8:50 PM CSTTORNADO4 N Union City, TNA TORNADO TRACKED FROM THE COMMUNITY OF HICKMAN...KENTUCKY...SOUTHEAST INTO NORTHERN OBION COUNTY. THIS TORNADO LIFTED AT 853 PM CST. DAMAGE WAS SUSTAINED TO LARGE GRAIN BINS, SEVERAL HOMES, AND NUMEROUS HARDWOOD TREES. MAXIMUM INTENSITY WAS RATED AS EF2 ALONG

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
Mar 9, 6:42 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KBYH), launched 00:00Z, 2.0 hours before the alert went out and 181 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 2017-03-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 445 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 00:00Z on 2017-03-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 square meters per square second.1939587897Sfc1 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
445 J/kg
Mixed-layer CIN
-58 J/kg
Mixed-layer LCL
583 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.1

Open this sounding in Storm Lab

The text

As transmitted.

592 
WUUS54 KMEG 100200
SVRMEG
MOC155-TNC095-131-100245-
/O.NEW.KMEG.SV.W.0049.170310T0200Z-170310T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
800 PM CST THU MAR 9 2017

The National Weather Service in Memphis has issued a

* Severe Thunderstorm Warning for...
  Northern Pemiscot County in southeastern Missouri...
  Obion County in western Tennessee...
  Lake County in western Tennessee...

* Until 845 PM CST

* At 758 PM CST, severe thunderstorms were located along a line
  extending from near Canalou to near Risco to near Clarkton, moving
  east at 45 mph.

  HAZARD...70 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Union City, Portageville, Reelfoot Lake State Park, Tiptonville,
  Ridgely, Troy, Kenton, Obion, Wardell, Clayton, Bolton, Cloverdale,
  Cottonwood Grove, Hornbeak, Woodland Mills, Rives, Samburg,
  Shaffner, Elbridge and Jacksonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

This is a DANGEROUS SITUATION. These storms are producing widespread 
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay 
away from windows! 
&&

LAT...LON 3650 8896 3641 8895 3620 8897 3622 8956
      3632 8996 3639 8996 3639 8975 3643 8973
      3640 8967 3640 8959 3634 8953 3638 8951
      3644 8954 3648 8952 3650 8954 3650 8949
      3647 8949 3646 8946 3650 8939
TIME...MOT...LOC 0158Z 287DEG 41KT 3670 8975 3654 8972 3641 8995 

HAIL...1.00IN
WIND...70MPH
 
$$
1 follow-up statement
413 
WWUS54 KMEG 100226
SVSMEG

Severe Weather Statement
National Weather Service Memphis TN
826 PM CST THU MAR 9 2017

MOC155-TNC095-131-100245-
/O.CON.KMEG.SV.W.0049.000000T0000Z-170310T0245Z/
Pemiscot MO-Obion TN-Lake TN-
826 PM CST THU MAR 9 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CST
FOR NORTHERN PEMISCOT...OBION AND LAKE COUNTIES...

At 824 PM CST, severe thunderstorms were located along a line
extending from near Hunter-Dawson State Historic Site to Tiptonville 
to near Hayti, moving east at 70 mph. Brief tornadoes may also occur 
within the fast moving line.

HAZARD...70 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings. 

Locations impacted include...
Union City, Portageville, Reelfoot Lake State Park, Tiptonville,
Ridgely, Troy, Kenton, Obion, Wardell, Clayton, Bolton, Cloverdale,
Cottonwood Grove, Hornbeak, Woodland Mills, Rives, Samburg, Shaffner,
Elbridge and Jacksonville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3650 8896 3641 8895 3620 8897 3622 8956
      3632 8996 3639 8996 3639 8975 3643 8973
      3640 8967 3640 8959 3634 8953 3638 8951
      3644 8954 3648 8952 3650 8954 3650 8949
      3647 8949 3646 8946 3650 8939
TIME...MOT...LOC 0224Z 277DEG 78KT 3655 8951 3639 8948 3626 8971 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 7:14 PM CSTSevere Thunderstorm WarningMEGDunklin31 min
Mar 9, 7:33 PM CSTSevere Thunderstorm WarningMEGDunklin42 min
Mar 9, 7:44 PM CSTSevere Thunderstorm WarningMEGDunklin46 min
Mar 9, 8:10 PM CSTSevere Thunderstorm WarningMEGDunklin, Pemiscot50 min
Mar 9, 8:34 PM CSTSevere Thunderstorm WarningMEGPemiscot41 min
Mar 9, 9:01 PM CSTSpecial Weather StatementMEGDunklin44 min
Mar 9, 9:08 PM CSTAreal Flood AdvisoryMEGDunklin, Pemiscot112 min
Mar 9, 10:16 PM CSTSevere Thunderstorm WarningMEGDunklin, Pemiscot44 min
Mar 10, 3:30 AM CSTFreeze WarningMEGDunklin, Pemiscot25 hr
Mar 9, 8:45 PM CSTSevere Thunderstorm WarningMEGGibson, Obion, Weakley45 min
Mar 9, 8:52 PM CSTSevere Thunderstorm WarningMEGObion23 min
Mar 9, 9:10 PM CSTSevere Thunderstorm WarningMEGHenry50 min
Mar 9, 9:29 PM CSTSevere Thunderstorm WarningMEGCarroll, Gibson, Henderson, Madison, Weakley61 min
Mar 9, 9:32 PM CSTSevere Thunderstorm WarningMEGHenderson, Madison43 min
Mar 9, 9:37 PM CSTSevere Thunderstorm WarningMEGBenton38 min
Mar 9, 9:57 PM CSTSevere Thunderstorm WarningMEGHenderson34 min
Mar 9, 10:00 PM CSTSevere Thunderstorm WarningMEGDecatur45 min
Mar 9, 10:06 PM CSTTornado WarningMEGBenton, Carroll, Decatur, Henderson24 min
Mar 9, 10:07 PM CSTTornado WarningMEGHenderson21 min
Mar 9, 10:19 PM CSTTornado WarningMEGDecatur26 min
Mar 9, 10:34 PM CSTSevere Thunderstorm WarningMEGChester, Decatur, Hardin, Henderson, McNairy, Madison41 min
Mar 9, 10:41 PM CSTFlash Flood WarningMEGChester, Crockett, Haywood, Henderson, Madison3 hr
Mar 9, 11:19 PM CSTSpecial Weather StatementMEGShelby26 min
Mar 9, 11:26 PM CSTSevere Thunderstorm WarningMEGShelby34 min
Mar 9, 11:46 PM CSTSevere Thunderstorm WarningMEGFayette, Shelby44 min
Mar 10, 3:30 AM CSTFrost AdvisoryMEGFayette, Hardeman, Hardin, Haywood, Lauderdale, McNairy and 2 more25 hr
Mar 10, 5:43 AM CSTRiver Flood WarningMEGCrockett, Dyer, Lauderdale6 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2017Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning 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.