Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 206, NWS Memphis, TN

June 17, 1997St. Francis County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jun 17, 1997, 12:53 AM CDT for St. Francis County, Arkansas. It was in force for 47 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 17, 1997, 12:53 AM CDT (05:53 UTC)
Expired
Jun 17, 1997, 1:40 AM CDT
In force
47 min
Issued by
NWS Memphis, TN
Area
Whole counties

County St. Francis County, AR

The radar

The Memphis radar (KNQA), 87 km from the middle of the area, began a volume at 05:52 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.

What was reported inside it

TimeReportWhereRemark
Jun 17, 1:30 AM CDTThunderstorm WindForrest City, ARSeveral buildings suffered damage to their roofs and awnings. Numerous trees and power lines were blown down.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 5.9 hours before the alert went out and 76 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 1997-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2715 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 1997-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 square meters per square second.19395878Sfc1 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
2715 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
726 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.4
Supercell composite
2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 170555 RRA
SVRMEM
ARC123-170640-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1253 AM CDT TUE JUN 17 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 140 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN ARKANSAS

   ...ST. FRANCIS COUNTY
 
AT 1250 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
THUNDERSTORMS WITH DAMAGING WINDS FROM WHEATLEY TO RONDO AND MARVEL.
THESE STORMS WERE MOVING EAST NORTHEAST AT 35 MPH AND WILL AFFECT
PALESTINE BY 1AM..AND FOREST CITY AND HUGHES BETWEEN 115 AND 130 AM.


.WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUI.LDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES OR
ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS
PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jun 16, 6:58 PM CDT, 5 hours 55 minutes before
MSZ001>017-020>024-030-031-170015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
658 PM CDT MON JUN 16 1997

...SEVERE THUNDERSTORM WATCH FOR NORTH MISSISSIPPI CANCELLED...

SEVERE THUNDERSTORM WATCH NUMBER 450 HAS BEEN CANCELLED FOR
NORTH MISSISSIPPI. MOST THUNDERSTORM ACTIVITY HAS MOVED INTO
ALABAMA AND ADDITIONAL REDEVELOPMENT IS NOT EXPECTED UNTIL
LATER TONIGHT.
Special weather statement, Jun 16, 7:00 PM CDT, 5 hours 53 minutes before
MSZ001>017-020>024-030-031-170015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
658 PM CDT MON JUN 16 1997

...SEVERE THUNDERSTORM WATCH FOR NORTH MISSISSIPPI CANCELLED...

SEVERE THUNdDERSTORM WATCH NUMBER 450 HAS BEEN CANCELLED FOR
NORTH MISSISSIPPI. MOST THUNDERSTORM ACTIVITY HAS MOVED INTO
ALABAMA AND ADDITIONAL REDEVELOPMENT IS NOT EXPECTED UNTIL
LATER TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 12:29 AM CDTSevere Thunderstorm WarningMEGLee, Phillips61 min
Jun 17, 1:20 AM CDTSevere Thunderstorm WarningMEGCrittenden50 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1997Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.