Alert archive / Missouri / Tornado Warnings in 2008

Tornado Warning 71, NWS Memphis, TN

March 18, 2008Dunklin County, Pemiscot County, Missouri; Clay County, Greene County, Arkansas

NWS Memphis, TN issued this tornado warning at Mar 18, 2008, 5:30 PM CDT for Dunklin County, Pemiscot County, Missouri; Clay County, Greene County, Arkansas. It was in force for 45 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
Mar 18, 2008, 5:30 PM CDT (22:30 UTC)
Expired
Mar 18, 2008, 6:15 PM CDT
In force
45 min
Issued by
NWS Memphis, TN
Area
Storm-based polygon

Counties Clay County, AR, Greene County, AR, Dunklin County, MO, Pemiscot County, MO

The radar

The Memphis radar (KNQA), 101 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
Mar 18, 5:19 PM CDTTornado WatchSPC11 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.5 hours before the alert went out and 159 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 2008-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 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 2008-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 467 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
89 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
545 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
467 m²/s²
0-3 km storm-relative helicity
574 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS54 KMEG 182230
TORMEG
ARC021-055-MOC069-155-182315-
/O.NEW.KMEG.TO.W.0071.080318T2230Z-080318T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
530 PM CDT TUE MAR 18 2008

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN CLAY COUNTY IN EASTERN ARKANSAS...
  EAST CENTRAL GREENE COUNTY IN EASTERN ARKANSAS...
  SOUTHERN DUNKLIN COUNTY IN SOUTHEAST MISSOURI...
  PEMISCOT COUNTY IN SOUTHEAST MISSOURI...

* UNTIL 615 PM CDT

* AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM PRODUCING A TORNADO NEAR CARDWELL...OR 7 MILES
  SOUTH OF MARMADUKE...MOVING NORTHEAST AT 65 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  HORNERSVILLE...SENATH...KENNETT...DENTON...DEERING...HAYTI
  HEIGHTS...HAYTI...WARDELL...BOLTON AND CARUTHERSVILLE.

.IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

.THE SAFEST PLACE TO BE DURING A TORNADO IS A STORM SHELTER. IF NO
STORM SHELTER IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE
BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE
BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM
WINDOWS.

.IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3640 8957 3635 8958 3635 8962 3630 8959
      3624 8961 3625 8971 3620 8964 3615 8964
      3599 9032 3600 9037 3612 9049 3640 8996
      3643 8959
TIME...MOT...LOC 2230Z 237DEG 59KT 3612 9031

$$
2 follow-up statements
000 
WWUS54 KMEG 182239
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
539 PM CDT TUE MAR 18 2008

ARC021-055-MOC069-155-182315-
/O.CON.KMEG.TO.W.0071.000000T0000Z-080318T2315Z/
CLAY AR-GREENE AR-DUNKLIN MO-PEMISCOT MO-
539 PM CDT TUE MAR 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
PEMISCOT...SOUTHERN DUNKLIN...EAST CENTRAL GREENE AND SOUTHEASTERN
CLAY COUNTIES...

AT 539 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR ARBYRD...OR ABOUT
7 MILES WEST OF SENATH...MOVING NORTHEAST AT 45 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HORNERSVILLE...KENNETT...NIMMONS...DENTON...DEERING...BRAGG CITY...
PASCOLA...HAYTI HEIGHTS...HOMESTOWN...HAYTI...WARDELL...NORTH
WARDELL...BOLTON...HAYWARD AND CARUTHERSVILLE.

.IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER
A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

.IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3640 8957 3635 8958 3635 8962 3630 8959
      3624 8961 3625 8971 3620 8964 3615 8964
      3599 9032 3600 9037 3612 9049 3640 8996
      3643 8959
TIME...MOT...LOC 2239Z 240DEG 41KT 3615 9023

$$
000 
WWUS54 KMEG 182241
SVSMEG

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
541 PM CDT TUE MAR 18 2008

ARC021-055-MOC069-155-182315-
/O.CON.KMEG.TO.W.0071.000000T0000Z-080318T2315Z/
CLAY AR-GREENE AR-DUNKLIN MO-PEMISCOT MO-
541 PM CDT TUE MAR 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 615 PM CDT FOR
PEMISCOT...SOUTHERN DUNKLIN...EAST CENTRAL GREENE AND SOUTHEASTERN
CLAY COUNTIES...

AT 541 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR BRAGG CITY...OR
ABOUT NEAR KENNETT...MOVING EAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DEERING...PASCOLA...HOMESTOWN...WARDELL...HAYTI HEIGHTS...NORTH
WARDELL...BOLTON...HAYTI...CARUTHERSVILLE AND HAYWARD.

.IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 
80 MPH.

.THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER
A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

.IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.

LAT...LON 3640 8957 3635 8958 3635 8962 3630 8959
      3624 8961 3625 8971 3620 8964 3615 8964
      3599 9032 3600 9037 3612 9049 3640 8996
      3643 8959
TIME...MOT...LOC 2241Z 253DEG 47KT 3631 8997

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 4:44 AM CDTWind AdvisoryMEGDunklin, Pemiscot26 hr
Mar 18, 11:34 AM CDTRiver Flood WarningMEGDunklin48 days
Mar 18, 4:42 PM CDTTornado WarningMEGDunklin48 min
Mar 18, 4:53 PM CDTSevere Thunderstorm WarningMEGDunklin, Pemiscot52 min
Mar 18, 5:15 PM CDTFlash Flood WarningMEGDunklin, Pemiscot15 hr
Mar 18, 6:02 PM CDTSevere Thunderstorm WarningMEGDunklin, Pemiscot28 min
Mar 18, 6:13 PM CDTTornado WarningMEGDunklin, Pemiscot47 min
Mar 18, 11:34 AM CDTRiver Flood WarningMEGCraighead4 days
Mar 18, 11:34 AM CDTRiver Flood WarningMEGSt. Francis5 days
Mar 18, 11:35 AM CDTRiver Flood WarningMEGMississippi, Poinsett11 days
Mar 18, 4:21 PM CDTSevere Thunderstorm WarningMEGClay, Craighead, Greene, Lawrence, Randolph39 min
Mar 18, 5:11 PM CDTSevere Thunderstorm WarningMEGCraighead, Lawrence, Mississippi, Poinsett49 min
Mar 18, 5:24 PM CDTTornado WarningMEGCraighead, Greene51 min
Mar 18, 6:38 PM CDTTornado WarningMEGCraighead, Greene52 min

Nearby

Tornado Warnings in Missouri, 2008Tornado Warnings in Arkansas, 2008Every tornado warning in 2008Tornadoes in 2008

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.