Alert archive / Arkansas / Tornado Warnings in 1998

Tornado Warning 49, NWS Little Rock, AR

November 10, 1998Johnson County, Arkansas

NWS Little Rock, AR issued this tornado warning at Nov 10, 1998, 1:18 AM CST for Johnson County, Arkansas. It was in force for 62 min. 2 reports 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
Nov 10, 1998, 1:18 AM CST (07:18 UTC)
Expired
Nov 10, 1998, 2:20 AM CST
In force
62 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Johnson County, AR

The radar

The Western Arkansas radar (KSRX), 87 km from the middle of the area, began a volume at 07:21 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
Nov 10, 1:35 AM CSTThunderstorm Wind 50Clarksville, AR
Nov 10, 1:45 AM CSTThunderstorm Wind 50Clarksville, AR

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Nov 9, 11:00 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 7.3 hours before the alert went out and 151 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, Springfield, MO at 00:00Z on 1998-11-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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, Springfield, MO at 00:00Z on 1998-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 505 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
16 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
524 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
505 m²/s²
0-3 km storm-relative helicity
565 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

968 
WFUS1 KLIT 100719 RRA
TORLIT
ARC071-100820-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
118 AM CST TUE NOV 10 1998


THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
  JOHNSON COUNTY IN WESTERN ARKANSAS

* UNTIL 220 AM CST

* AT 115 AM CST... DOPPLER WEATHER RADAR INDICATED A POSSIBLE TORNADO
  20 MILES WEST OF CLARKSVILLE OR 8 MILES WEST OF HUNT...MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IN OR NEAR THE PATH OF THIS TORNADO INCLUDE...
HUNT                         AROUND 125 AM CST...
OAK GROVE                    AROUND 125 AM CST...
YALE                         AROUND 130 AM CST...
OARK                         AROUND 135 AM CST...

A DOPPLER RADAR DETECTED TORNADO MEANS THAT THERE IS STRONG ROTATION
WITHIN A STORM. THE STORM MAY NOT BE PRODUCING A TORNADO AT THE
MOMENT...BUT IS EXPECTED TO DURING THE WARNING PERIOD. FOR YOUR
PROTECTION...GO INDOORS NOW TO AN INTERIOR ROOM AWAY FROM WINDOWS.

46

What forecasters said that day

The local office's own words before this tornado 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, Nov 9, 10:50 PM CST, 2 hours 28 minutes before
ARZ003-012-021-030-037-040-050-051-059-100800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1050 PM CST MON NOV 9 1998
...SEVERE THUNDERSTORM WATCH IN EFFECT TONIGHT UNTIL 4 AM TUESDAY...

A STRONG COLD FRONT HAS BEEN MOVING TOWARD ARKANSAS DURING THE EVENING
PRODUCING NUMEROUS INSTANCES OF DAMAGING WINDS AND LARGE HAIL OVER
EASTERN OKLAHOMA.

SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED AHEAD OF THE COLD FRONT
OVER THE WESTERN QUARTER OF THE STATE. THESE SHOWERS HAVE NOT PRODUCED
ANY SEVERE WEATHER YET...BUT THE POTENTIAL FOR SEVERE WEATHER EXISTS.

THE LINE OF THUNDERSTORMS RIGHT ALONG THE FRONT IS FORECAST TO MOVE INTO
THE WESTERN BORDER OF THE STATE AROUND MIDNIGHT OR 1 AM.

EVERYONE IS URGED TO KEEP ABREAST OF THE LATEST WEATHER CONDITIONS...AND
TO REVIEW SEVERE WEATHER ACTION PLANS AND SAFETY RULES.

32
Special weather statement, Nov 9, 10:50 PM CST, 2 hours 28 minutes before
ARZ003-012-021-030-037-040-050-051-059-100800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1050 PM CST MON NOV 9 1998
...SEVERE THUNDERSTORM WATCH IN EFFECT TONIGHT UNTIL 4 AM TUESDAY...

A STRONG COLD FRONT HAS BEEN MOVING TOWARD ARKANSAS DURING THE EVENING
PRODUCING NUMEROUS INSTANCES OF DAMAGING WINDS AND LARGE HAIL OVER
EASTERN OKLAHOMA.

SHOWERS AND A FEW THUNDERSTORMS HAVE DEVELOPED AHEAD OF THE COLD FRONT
OVER THE WESTERN QUARTER OF THE STATE. THESE SHOWERS HAVE NOT PRODUCED
ANY SEVERE WEATHER YET...BUT THE POTENTIAL FOR SEVERE WEATHER EXISTS.

THE LINE OF THUNDERSTORMS RIGHT ALONG THE FRONT IS FORECAST TO MOVE INTO
THE WESTERN BORDER OF THE STATE AROUND MIDNIGHT OR 1 AM.

EVERYONE IS URGED TO KEEP ABREAST OF THE LATEST WEATHER CONDITIONS...AND
TO REVIEW SEVERE WEATHER ACTION PLANS AND SAFETY RULES.

32

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 10, 12:53 AM CSTSevere Thunderstorm WarningLZKLogan, Scott62 min
Nov 10, 1:14 AM CSTSevere Thunderstorm WarningLZKPolk66 min
Nov 10, 1:38 AM CSTTornado WarningLZKNewton62 min
Nov 10, 1:51 AM CSTSevere Thunderstorm WarningLZKMontgomery, Pope, Yell64 min
Nov 10, 1:51 AM CSTSevere Thunderstorm WarningLZKPike64 min
Nov 10, 1:55 AM CSTSevere Thunderstorm WarningLZKLogan35 min
Nov 10, 1:57 AM CSTSevere Thunderstorm WarningLZKBoone48 min
Nov 10, 2:08 AM CSTTornado WarningLZKPope, Searcy47 min
Nov 10, 2:14 AM CSTTornado WarningLZKBoone, Marion46 min
Nov 10, 2:35 AM CSTSevere Thunderstorm WarningLZKVan Buren55 min
Nov 10, 2:39 AM CSTTornado WarningLZKBaxter51 min
Nov 10, 2:55 AM CSTTornado WarningLZKStone50 min
Nov 10, 2:57 AM CSTSevere Thunderstorm WarningLZKGarland, Hot Spring, Perry63 min
Nov 10, 2:57 AM CSTSevere Thunderstorm WarningLZKClark63 min
Nov 10, 2:57 AM CSTSevere Thunderstorm WarningLZKConway63 min
Nov 10, 3:04 AM CSTSevere Thunderstorm WarningLZKFulton, Izard61 min
Nov 10, 3:18 AM CSTSevere Thunderstorm WarningLZKSaline52 min
Nov 10, 3:29 AM CSTSevere Thunderstorm WarningLZKCleburne, Faulkner, Pulaski61 min
Nov 10, 3:39 AM CSTSevere Thunderstorm WarningLZKDallas, Grant56 min
Nov 10, 3:57 AM CSTSevere Thunderstorm WarningLZKIndependence, Sharp48 min
Nov 10, 4:21 AM CSTSevere Thunderstorm WarningLZKJackson, White54 min
Nov 10, 4:21 AM CSTSevere Thunderstorm WarningLZKJefferson, Lonoke54 min
Nov 10, 4:49 AM CSTSevere Thunderstorm WarningLZKArkansas, Monroe, Prairie61 min
Nov 10, 4:49 AM CSTSevere Thunderstorm WarningLZKWoodruff61 min

Nearby

Tornado Warnings in Arkansas, 1998Every tornado warning in 1998Tornadoes in 1998

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.