Alert archive / Arkansas / Tornado Warnings in 1997

Tornado Warning 15, NWS Memphis, TN

March 1, 1997Craighead County, Arkansas

NWS Memphis, TN issued this tornado warning at Mar 1, 1997, 5:49 PM CST for Craighead County, Arkansas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 1, 1997, 5:49 PM CST (23:49 UTC)
Expired
Mar 1, 1997, 6:35 PM CST
In force
46 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Craighead County, AR

The radar

The Memphis radar (KNQA), 87 km from the middle of the area, began a volume at 23:52 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 1, 12:00 PM CSTTornado WatchSPC6 hr
Mar 1, 2:30 PM CSTTornado WatchSPC7 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.8 hours before the alert went out and 127 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 1997-03-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1288 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 1997-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 174 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
1288 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
174 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
1.9
Supercell composite
6.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 012350
TORMEM
ARC031-020035-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
549 PM CST SAT MAR 1 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 635 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN ARKANSAS

   ...CRAIGHEAD COUNTY
 
AT 545 PM CST...STORM SPOTTERS REPORT A POSSIBLE TORNADO ON THE
GROUND NEAR HIGHWAY 163 SOUTH OF JONESBORO. THIS STORM IS MOVING
NORTHEAST AT 50 MPH AND WILL PASS NEAR LAKE CITY BY 600 PM.

.IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT. GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE. IF NO
BASEMENT IS AVAILABLE...SEEK SAFETY IN AN INTERIOR ROOM SUCH AS A
CLOSET ON THE LOWEST FLOOR. USE BLANKETS...PILLOWS...OR CUSHIONS TO
COVER YOUR BODY. AVOID WINDOWS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 8:31 AM CSTTornado WarningMEGMississippi49 min
Mar 1, 1:58 PM CSTSevere Thunderstorm WarningMEGClay32 min
Mar 1, 3:59 PM CSTTornado WarningMEGLawrence46 min
Mar 1, 4:38 PM CSTTornado WarningMEGGreene32 min
Mar 1, 5:11 PM CSTTornado WarningMEGClay49 min
Mar 1, 5:19 PM CSTTornado WarningMEGCross, Poinsett46 min

Nearby

Tornado Warnings in Arkansas, 1997Every tornado warning in 1997Tornadoes in 1997

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.