Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 458, NWS Tulsa, OK

October 5, 1998Madison County, Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 5, 1998, 2:24 PM CDT for Madison County, Washington County, Arkansas. It was in force for 66 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
Oct 5, 1998, 2:24 PM CDT (19:24 UTC)
Expired
Oct 5, 1998, 3:30 PM CDT
In force
66 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Madison County, AR, Washington County, AR

What was reported inside it

TimeReportWhereRemark
Oct 5, 3:30 PM CDTThunderstorm WindPettigrew, ARLarge tree limbs 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

Springfield, MO (KSGF), launched 12:00Z, 7.4 hours before the alert went out and 102 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 12:00Z on 1998-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 263 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 12:00Z on 1998-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 323 square meters per square second.193958Sfc1 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
263 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
570 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
323 m²/s²
0-3 km storm-relative helicity
352 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

905 
WUUS54 KTSA 051926 RRA
SVRTUL
ARC087-143-052030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
ISSUED BY NATIONAL WEATHER SERVICE SPRINGFIELD MO
224 PM CDT MON OCT 5 1998

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN NORTHWESTERN ARKANSAS
  WASHINGTON COUNTY IN NORTHWESTERN ARKANSAS

* UNTIL 330 PM CDT

* AT 228 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
  OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL THE
  SIZE OF PENNIES.  THIS STORM WAS LOCATED 20 MILES SOUTH OF
  FAYETTEVILLE NEAR CHESTER AND WAS MOVING NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM(S) WILL BE NEAR...
  WINSLOW BY 235
  DELANEY BY 245 PM

VERY HEAVY RAINFALL ALSO ACCOMPANY THE STORMS.  THE HEAVY RAIN MAY
CAUSE MINOR FLOODING TO DEVELOP IN URBAN AND OTHER POOR DRAINAGE AREAS.

RUNNELS

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 5, 10:10 AM CDT, 4 hours 14 minutes earlier.

Area forecast discussion, Oct 5, 10:10 AM CDT, 4 hours 14 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
1010 AM CDT MON OCT 5 1998

HEAVY RAIN HAS SHIFTED SOUTHEAST AND IS STILL MAKING PROGRESS
EASTWARD. HOWEVER BIG PIECE OF ENERGY STILL TO ROUND BASE OF
UPPER TROF AND MOVE ACROSS SOUTHERN PLAINS THIS AFTERNOON AND
TONIGHT. SURFACE COLD FRONT WAS EXTENDED FROM NEAR MIAMI TO
OKEMAH BUT 850 MB TROF IS STILL NORTHWEST OF THE FORECAST
AREA. SCATTERED SHOWERS WILL CONTINUE TO DEVELOP AND MOVE
NORTHEAST OVER NORTHEAST OKLAHOMA WITH MAIN AREAS OF
THUNDERSTORMS AND HEAVY RAINS SOUTHEAST OF CURRENT POSITION
OF SURFACE COLD FRONT. DUE TO CURRENT RUNOFF AND FLASH FLOOD
WARNINGS IN EFFECT WON'T CANCEL  ANY OF THE FFA AT THIS
TIME...BUT THREAT WILL HAVE SHIFTED INTO SOUTHEAST OKLAHOMA
AND NORTHWEST ARKANSAS THIS AFTERNOON...SO PLAN ON SHAVING
OFF NORTHWEST PART OF WATCH EARLY THIS AFTERNOON.

WILL UPDATE ZONES TO LOWER MAXES BEHIND COLD FRONT WHERE CLOUDS
SCATTERED SHOWERS WILL KEEP TEMPERATURES FROM RISING MUCH.
TEMPERATURES SHOULD BE STEADY OR FALL WITH PRECIP OVER THE
REST OF THE AREA...EXCEPT NEAR RED RIVER WHERE SUNSHINE
COULD LET TEMPS WARM INTO MID 80S. THREAT FOR SEVERE SHOULD
BE LIMITED TO THAT AREA...BUT WILL HAVE TO MONITOR LEADING
EDGE OF STORMS FOR POSSIBLE INTENSIFICATION. UPDATED ZONES
SHOULD BE OUT BY 11AM.

.TUL...
OK...FLASH FLOOD WATCH FOR TODAY FOR ZONES OKZ049...OKZ053>077.

AR...FLASH FLOOD WATCH FOR TODAY FOR ZONES ,ARZ001>002...ARZ010>011...
ARZ019>020...ARZ029.

In the hours before

Special weather statement, Oct 5, 8:58 AM CDT, 5 hours 26 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-060>076-051410-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
858 AM CDT MON OCT 5 1998

SEVERE THUNDERSTORM WATCH NUMBER 866 THAT WAS ISSUED EARLY THIS
MORNING FOR MOST OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS HAS
BEEN CANCELLED.

AT 855 AM WEATHER RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS
CONTINUING TO MOVE ACROSS NORTHWEST ARKANSAS AND EASTERN OKLAHOMA.

FLASH FLOOD WARNINGS REMAIN IN EFFECT ASSOCIATED WITH THE SHOWERS
AND THUNDERSTORMS...HOWEVER THE THREAT OF SEVERE WEATHER HAS
DIMINISHED OVER THE AREA AND THE WATCH HAS BEEN CANCELLED.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 5, 2:12 AM CDTSevere Thunderstorm WarningTSABenton48 min
Oct 5, 2:56 AM CDTSevere Thunderstorm WarningTSABenton49 min
Oct 5, 3:56 AM CDTSevere Thunderstorm WarningTSABenton49 min
Oct 5, 4:07 AM CDTTornado WarningTSABenton23 min
Oct 5, 4:35 AM CDTFlash Flood WarningTSABenton3 hr
Oct 5, 7:55 AM CDTFlash Flood WarningTSABenton3 hr
Oct 5, 10:53 AM CDTFlash Flood WarningTSABenton, Washington3 hr
Oct 5, 1:49 PM CDTFlash Flood WarningTSABenton, Washington3 hr
Oct 5, 2:13 PM CDTSevere Thunderstorm WarningTSACrawford32 min
Oct 5, 3:15 PM CDTFlash Flood WarningTSACarroll, Madison3 hr
Oct 5, 3:15 PM CDTFlash Flood WarningTSAFranklin, Sebastian3 hr
Oct 5, 3:24 PM CDTSevere Thunderstorm WarningTSACarroll, Madison51 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning 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.