Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 166, NWS Memphis, TN

May 26, 1997Greene County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at May 26, 1997, 11:48 PM CDT for Greene County, Arkansas. It was in force for 47 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: May 26, 1997, 11:48 PM CDT (04:48 UTC)
Expired: May 27, 1997, 12:35 AM CDT
In force: 47 min
Issued by: NWS Memphis, TN
Area: Whole counties

County Greene County, AR

The radar

The Memphis radar (KNQA), 106 km from the middle of the area, began a volume at 04:49 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.

Issued	Product	Office	Lasted
May 26, 9:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 4.8 hours before the alert went out and 153 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 4008 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 884 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 121 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 4.0

Open this sounding in Storm Lab

The text

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

866 
WUUS1 KMEM 270449 RRA
SVRMEM
ARC055-270535-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1148 PM CDT MON MAY 26 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1235 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN ARKANSAS

   ...GREENE COUNTY
 
AT 1147 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH
LARGE HAIL MOVING OUT OF LAWRENCE COUNTY INTO GREENE COUNTY EAST OF
WALNUT RIDGE. THIS STORM IS MOVING SOUTHEAST AT 25 MPH AND WILL PASS
NEAR WALCOTT BY 1215 PM.

LAWRENCE COUNTY SHERIFF HAS REPORTED DIME SIZE HAIL WITH THIS STORM.

.A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
 

&

The office that day

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

Issued	Product	Office	Counties	Lasted
May 26, 7:19 PM CDT	Severe Thunderstorm Warning	MEG	Mississippi	46 min
May 26, 8:15 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	45 min
May 26, 10:10 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	50 min
May 26, 10:31 PM CDT	Severe Thunderstorm Warning	MEG	Lawrence	49 min
May 26, 11:01 PM CDT	Severe Thunderstorm Warning	MEG	Randolph	34 min
May 26, 11:16 PM CDT	Severe Thunderstorm Warning	MEG	Lawrence	49 min
May 26, 11:21 PM CDT	Tornado Warning	MEG	Lawrence	34 min
May 26, 11:57 PM CDT	Tornado Warning	MEG	Craighead	48 min
May 27, 1:06 AM CDT	Severe Thunderstorm Warning	MEG	Lawrence	34 min
May 27, 1:12 AM CDT	Severe Thunderstorm Warning	MEG	Craighead	48 min
May 27, 1:40 AM CDT	Tornado Warning	MEG	Craighead	30 min
May 27, 2:11 AM CDT	Severe Thunderstorm Warning	MEG	Poinsett	49 min
May 27, 2:39 AM CDT	Tornado Warning	MEG	Cross, Poinsett	31 min
May 27, 3:06 AM CDT	Tornado Warning	MEG	Crittenden	49 min
May 27, 3:12 AM CDT	Tornado Warning	MEG	Mississippi, Poinsett	48 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1997 Every severe thunderstorm warning 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.