Alert archive / Arkansas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 85, NWS Tulsa, OK

April 3, 1999Carroll County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 3, 1999, 1:35 PM CST for Carroll County, Arkansas. It was in force for 40 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
Apr 3, 1999, 1:35 PM CST (19:35 UTC)
Expired
Apr 3, 1999, 2:15 PM CST
In force
40 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Carroll County, AR

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 19:34 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
Apr 3, 1:55 PM CSTThunderstorm WindBerryville, ARA business sign was blown down in Berryville.
Apr 3, 2:00 PM CSTHail 0.75Eureka Spgs, ARLocation: Holiday Island

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, 7.6 hours before the alert went out and 66 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 1999-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1749 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 12:00Z on 1999-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 268 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
1749 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
744 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
268 m²/s²
0-3 km storm-relative helicity
294 m²/s²
Significant tornado parameter
1.4
Supercell composite
6.4

Open this sounding in Storm Lab

The text

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

999 
WUUS54 KTSA 031936 RRA
SVRTUL
ARC015-032015-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
135 PM CST SAT APR 3 1999

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CARROLL COUNTY IN NORTHWEST ARKANSAS

* UNTIL 215 PM CST

* AT 135 PM CST A SEVERE THUNDERSTORM WAS LOCATED 12 MILES WEST OF
  EUREKA SPRINGS...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...  BEAVER...
  GRANDVIEW AND EUREKA SPRINGS

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

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 Apr 3, 9:50 AM CST, 3 hours 45 minutes earlier.

Area forecast discussion, Apr 3, 9:50 AM CST, 3 hours 45 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OK
950 AM CST SAT APR 3 1999

UPDATED FORECAST TO ADD A FLASH FLOOD WATCH FOR ALL BUT A SMALL PART
OF NORTHEAST OKLAHOMA FOR THE REST OF TODAY. THE 12Z NGM AND RUC
MODELS...ALONG WITH CURRENT OBSERVED TRENDS...ALL SUGGEST THAT
SHOWERS AND THUNDERSTORMS WILL SPREAD BACK TO THE NORTH ACORSS
NEARLY ALL OF THE AREA BY AROUND MIDDAY. IT ALSO NOW APPEARS THAT
SIGNIFICANT RAINS WILL NOT MOVE EAST OF THE AREA UNTIL LATER THIS
EVENING.

ALSO LOWERED MAXIMUM TEMPERATURES WITH ALL THE CLOUDS AND RAIN
AROUND AND ALSO DROPPED WIND SPEEDS BACK SOME. KEPT THE MENTION OF
SEVERE GOING WITH THE BEST CHANCES FOR SEVERE IN THE SOUTHERN AND
EASTERN PARTS OF THE FORECAST AREA.

COLD FRONT WILL MOVE LITTLE UNTIL THIS EVENING WHEN IT WILL FINALLY
SWEEP EAST ACROSS THE AREA.

LOOKS LIKE WE MAY DO IT ALL OVER AGAIN SUNDAY NIGHT AND MONDAY. MORE
LATER.

.TUL...
OK...FLASH FLOOD WATCH FOR THE REST OF TODAY FOR ZONES
     49...53...56>58...61>63...AND 67>77.

AR...FLASH FLOOD WATCH FOR THE REST OF TODAY FOR ZONES
     1...2...10...11...19...20 AND 29.

PLATE

In the hours before

Special weather statement, Apr 3, 8:30 AM CST, 5 hours 5 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
830 AM CST SAT APR 3 1999

...A FEW SEVERE THUNDERSTORMS ARE EXPECTED OVER SOUTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS THIS MORNING...

...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE AGAIN THIS AFTERNOON AND
INTO THE EARLY EVENING OVER FAR EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS...

.SYNOPSIS...
AT 830 AM...A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS WAS
LOCATED OVER MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS...
GENERALLY TO THE SOUTHEAST OF I-44.  THIS AREA OF RAIN AND
THUNDERSTORMS EXISTED WELL AHEAD OF A COLD FRONT THAT STRETCHED FROM
SOUTHEAST KANSAS INTO SOUTHWEST OKLAHOMA.  IN ADDITION...A DRY LINE
EXTENDED FROM NEAR THE OKLAHOMA CITY AREA SOUTHWARD INTO CENTRAL
TEXAS.

.DISCUSSION...
THE RAIN AND THUNDERSTORMS OVER EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS THIS MORNING HAS SLOWED TO A CRAWL AND MAY CONTINUE ACROSS
THE AREA FOR MUCH OF THE MORNING.  DESPITE A  WEAKENING TREND
EXPECTED THROUGH THE MORNING...THE SLOW MOTION OF THE PRECIPITATION
WILL LEAD TO A CONSIDERABLE THREAT OF HEAVY RAIN AND FLASH FLOODING
THROUGH MID-DAY.  IN ADDITION...SOME OF THE STRONGER STORMS MAY
BRIEFLY APPROACH SEVERE LIMITS...ESPECIALLY ACROSS SOUTHEAST
OKLAHOMA.

MEANWHILE...A STRONG UPPER LEVEL DISTURBANCE OVER NEW MEXICO EARLY THIS
MORNING WILL SWING INTO THE TEXAS PANHANDLE AND WESTERN OKLAHOMA BY LATE
MORNING OR EARLY AFTERNOON.  THIS WILL AID IN PUSHING THE COLD
FRONT/DRYLINE COMBINATION EASTWARD INTO EASTERN OKLAHOMA.  CLEARING WILL
BE SLOW BEHIND THE INITIAL LINE OF THUNDERSTORMS...BUT ENOUGH AFTERNOON
HEATING IS EXPECTED FOR THE ATMOSPHERE TO BECOME MODERATELY UNSTABLE.
SURFACE BASED CONVERGENCE ALONG THE COLD FRONT OR DRYLINE...COMBINED
WITH INCREASING INSTABILITY MAY LEAD TO THE REDEVELOPMENT OF
THUNDERSTORMS THIS AFTERNOON ACROSS FAR EASTERN OKLAHOMA.  THIS ACTIVITY
IS EXPECTED TO DEVELOP MAINLY EAST OF HIGHWAY 69...OR EAST OF A VINITA
TO MUSKOGEE TO MCALESTER LINE.  ANY CONVECTION THAT FORMS WOULD SHIFT
EAST INTO NORTHWEST ARKANSAS BY LATE AFTERNOON OR EARLY EVENING.

WHILE SOME STORM ROTATION IS POSSIBLE...FORECAST WIND PROFILES SUGGEST
THAT STRONG WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT.

.EMERGENCY AGENCY AND SPOTTER ACTIVATION...
SPOTTERS ACTIVATION MAY BE REQUIRED AGAIN BY THIS AFTERNOON.  SPOTTER
GROUPS AND EMERGENCY MANAGEMENT AGENCIES ARE URGED TO LISTEN TO LATER
FORECASTS INCLUDING THE UPDATED HAZARDOUS WEATHER OUTLOOK TO BE ISSUED
AROUND 1 PM.
Special weather statement, Apr 3, 8:30 AM CST, 5 hours 5 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
830 AM CST SAT APR 3 1999

...A FEW SEVERE THUNDERSTORMS ARE EXPECTED OVER SOUTHEAST OKLAHOMA AND
NORTHWEST ARKANSAS THIS MORNING...

...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE AGAIN THIS AFTERNOON AND
INTO THE EARLY EVENING OVER FAR EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS...

.SYNOPSIS...
AT 830 AM...A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS WAS
LOCATED OVER MUCH OF EASTERN OKLAHOMA AND NORTHWEST ARKANSAS...
GENERALLY TO THE SOUTHEAST OF I-44.  THIS AREA OF RAIN AND
THUNDERSTORMS EXISTED WELL AHEAD OF A COLD FRONT THAT STRETCHED FROM
SOUTHEAST KANSAS INTO SOUTHWEST OKLAHOMA.  IN ADDITION...A DRY LINE
EXTENDED FROM NEAR THE OKLAHOMA CITY AREA SOUTHWARD INTO CENTRAL
TEXAS.

.DISCUSSION...
THE RAIN AND THUNDERSTORMS OVER EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS THIS MORNING HAS SLOWED TO A CRAWL AND MAY CONTINUE ACROSS
THE AREA FOR MUCH OF THE MORNING.  DESPITE A  WEAKENING TREND
EXPECTED THROUGH THE MORNING...THE SLOW MOTION OF THE PRECIPITATION
WILL LEAD TO A CONSIDERABLE THREAT OF HEAVY RAIN AND FLASH FLOODING
THROUGH MID-DAY.  IN ADDITION...SOME OF THE STRONGER STORMS MAY
BRIEFLY APPROACH SEVERE LIMITS...ESPECIALLY ACROSS SOUTHEAST
OKLAHOMA.

MEANWHILE...A STRONG UPPER LEVEL DISTURBANCE OVER NEW MEXICO EARLY THIS
MORNING WILL SWING INTO THE TEXAS PANHANDLE AND WESTERN OKLAHOMA BY LATE
MORNING OR EARLY AFTERNOON.  THIS WILL AID IN PUSHING THE COLD
FRONT/DRYLINE COMBINATION EASTWARD INTO EASTERN OKLAHOMA.  CLEARING WILL
BE SLOW BEHIND THE INITIAL LINE OF THUNDERSTORMS...BUT ENOUGH AFTERNOON
HEATING IS EXPECTED FOR THE ATMOSPHERE TO BECOME MODERATELY UNSTABLE.
SURFACE BASED CONVERGENCE ALONG THE COLD FRONT OR DRYLINE...COMBINED
WITH INCREASING INSTABILITY MAY LEAD TO THE REDEVELOPMENT OF
THUNDERSTORMS THIS AFTERNOON ACROSS FAR EASTERN OKLAHOMA.  THIS ACTIVITY
IS EXPECTED TO DEVELOP MAINLY EAST OF HIGHWAY 69...OR EAST OF A VINITA
TO MUSKOGEE TO MCALESTER LINE.  ANY CONVECTION THAT FORMS WOULD SHIFT
EAST INTO NORTHWEST ARKANSAS BY LATE AFTERNOON OR EARLY EVENING.

WHILE SOME STORM ROTATION IS POSSIBLE...FORECAST WIND PROFILES SUGGEST
THAT STRONG WINDS WILL BE THE PRIMARY SEVERE WEATHER THREAT.

.EMERGENCY AGENCY AND SPOTTER ACTIVATION...
SPOTTERS ACTIVATION MAY BE REQUIRED AGAIN BY THIS AFTERNOON.  SPOTTER
GROUPS AND EMERGENCY MANAGEMENT AGENCIES ARE URGED TO LISTEN TO LATER
FORECASTS INCLUDING THE UPDATED HAZARDOUS WEATHER OUTLOOK TO BE ISSUED
AROUND 1 PM.
Special weather statement, Apr 3, 11:15 AM CST, 2 hours 20 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1115 AM CST SAT APR 3 1999

...UPDATE FOR SHORT TERM TRENDS...

AN OUTFLOW BOUNDARY FROM ONGOING SHOWERS AND THUNDERSTORMS HAS STALLED
ACROSS WESTERN ARKANSAS AND SOUTHEAST OKLAHOMA FROM 25 MILES SOUTHEAST
OF HARRISON TO 15 MILES SOUTH OF FORT SMITH TO NEAR WISTER TO
10 MILES SOUTH OF WILBURTON.  THE LINE OF THUNDERSTORMS IN SOUTHEAST
OKLAHOMA WILL INCREASE AS IT MOVES NORTHEAST ALONG THE BOUNDARY AND
HAVE INCREASING POTENTIAL TO PRODUCE SIGNIFICANT WIND DAMAGE AND LARGE
HAIL AS IT MOVES THROUGH EXTREME SOUTHEAST OKLAHOMA AND INTO WESTERN
ARKANSAS DURING THE EARLY AFTERNOON.  AS THE ATMOSPHERE ALONG AND
SOUTH OF THE BOUNDARY BECOMES VERY UNSTABLE IN THE NEXT FEW HOURS
CONDITIONS WILL BECOME FAVAROABLE FOR SUPERCELL STORMS AS LOW-LEVEL
WIND FIELDS ARE VERY FAVORABLE FOR STORM ROTATION NEAR THE BOUNDARY.

THE POTENTIAL IS INCREASING FOR A SIGNIFICANT SEVERE WEATHER OUTBREAK
TODAY IN LATIMER...PUSHMATAHA...LE FLORE...SEBASTIAN...CRAWFORD...
MADISON AND FRANKLIN COUNTIES.

SIGNFICANT WIND DAMAGE AND TORNADOES WILL BE POSSIBLE TODAY IN THESE
AREAS.  EMERGENCY MANAGEMENT AGENCIES AND SPOTTER GROUPS IN THESE
AREAS SHOULD BEGIN TO ACTIVATE AND PREPARE FOR A ROUND OF SEVERE
WEATHER.

A COMPLETE OUTLOOK WILL BE ISSUED AROUND 1PM TODAY.
Special weather statement, Apr 3, 11:15 AM CST, 2 hours 20 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
1115 AM CST SAT APR 3 1999

...UPDATE FOR SHORT TERM TRENDS...

AN OUTFLOW BOUNDARY FROM ONGOING SHOWERS AND THUNDERSTORMS HAS STALLED
ACROSS WESTERN ARKANSAS AND SOUTHEAST OKLAHOMA FROM 25 MILES SOUTHEAST
OF HARRISON TO 15 MILES SOUTH OF FORT SMITH TO NEAR WISTER TO
10 MILES SOUTH OF WILBURTON.  THE LINE OF THUNDERSTORMS IN SOUTHEAST
OKLAHOMA WILL INCREASE AS IT MOVES NORTHEAST ALONG THE BOUNDARY AND
HAVE INCREASING POTENTIAL TO PRODUCE SIGNIFICANT WIND DAMAGE AND LARGE
HAIL AS IT MOVES THROUGH EXTREME SOUTHEAST OKLAHOMA AND INTO WESTERN
ARKANSAS DURING THE EARLY AFTERNOON.  AS THE ATMOSPHERE ALONG AND
SOUTH OF THE BOUNDARY BECOMES VERY UNSTABLE IN THE NEXT FEW HOURS
CONDITIONS WILL BECOME FAVAROABLE FOR SUPERCELL STORMS AS LOW-LEVEL
WIND FIELDS ARE VERY FAVORABLE FOR STORM ROTATION NEAR THE BOUNDARY.

THE POTENTIAL IS INCREASING FOR A SIGNIFICANT SEVERE WEATHER OUTBREAK
TODAY IN LATIMER...PUSHMATAHA...LE FLORE...SEBASTIAN...CRAWFORD...
MADISON AND FRANKLIN COUNTIES.

SIGNFICANT WIND DAMAGE AND TORNADOES WILL BE POSSIBLE TODAY IN THESE
AREAS.  EMERGENCY MANAGEMENT AGENCIES AND SPOTTER GROUPS IN THESE
AREAS SHOULD BEGIN TO ACTIVATE AND PREPARE FOR A ROUND OF SEVERE
WEATHER.

A COMPLETE OUTLOOK WILL BE ISSUED AROUND 1PM TODAY.
Special weather statement, Apr 3, 1:00 PM CST, 35 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
100 PM CST SAT APR 3 1999

...NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED OVER NORTHWEST ARKANSAS
THIS AFTERNOON...

.SYNOPSIS...
AT 100 PM...A LINE OF SEVERE THUNDERSTORMS EXTENDED ALONG THE
ARKANSAS/OKLAHOMA BORDER FROM WEST OF FAYETTEVILLE TO SOUTH OF FORT
SMITH.  THIS LINE OF THUNDERSTORMS WAS LOCATED ALONG A WELL-DEFINED
OUTFLOW BOUNDARY...WHICH WAS LOCATED AHEAD OF A WEAK COLD FRONT ACROSS
SOUTHERN KANSAS.  THE LINE OF STORMS AND ASSOCIATED OUTFLOW BOUNDARY ARE
EXPECTED TO MOVE EASTWARD OUT OF NORTHWEST ARKANSAS THIS AFTERNOON...
WHILE THE COLD FRONT BECOMES STATIONARY AND WEAKENS THROUGH TONIGHT.

.DISCUSSION...
THE LINE OF SEVERE THUNDERSTORMS OVER NORTHWEST ARKANSAS IS EXPECTED TO
REMAIN SEVERE AS IT MOVES NORTHEASTWARD ACROSS ALL OF NORTHWEST ARKANSAS
THROUGH 3 PM.  GIVEN THE DEGREE OF INSTABILITY AVAILABLE EAST OF THE
OUTFLOW BOUNDARY AND THE EXTREME WIND SHEAR OF THE ENVIRONMENT.
WIDESPREAD SEVERE WEATHER...INCLUDING DAMAGING TORNADOES WILL BE
POSSIBLE IN THE OUTLOOKED AREA.

A LARGE AREA OF LIGHT TO MODERATE RAIN BEHIND THE STORMS WILL PREVENT
DESTABILIZATION OF THE ATMOSPHERE ACROSS EASTERN OKLAHOMA THIS
AFTERNOON.  THEREFORE...THE REDEVELOPMENT OF SEVERE WEATHER LATER THIS
AFTERNOON AND TONIGHT IS NOT EXPECTED.

.EMERGENCY AGENCY AND SPOTTER ACTIVATION...
SPOTTERS ACROSS NORTHWEST ARKNASAS...IF NOT ALREADY ACTIVE...SHOULD
ACTIVATE AS SOON AS POSSIBLE.  FURTHER SPOTTER ACTIVATION  LATER THIS
AFTERNOON AND TONIGHT IS NOT ANTICIPATED.
Special weather statement, Apr 3, 1:00 PM CST, 35 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-041200-

EASTERN OKLAHOMA/NORTHWEST ARKANSAS HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TULSA OK
100 PM CST SAT APR 3 1999

...NUMEROUS SEVERE THUNDERSTORMS ARE EXPECTED OVER NORTHWEST ARKANSAS
THIS AFTERNOON...

.SYNOPSIS...
AT 100 PM...A LINE OF SEVERE THUNDERSTORMS EXTENDED ALONG THE
ARKANSAS/OKLAHOMA BORDER FROM WEST OF FAYETTEVILLE TO SOUTH OF FORT
SMITH.  THIS LINE OF THUNDERSTORMS WAS LOCATED ALONG A WELL-DEFINED
OUTFLOW BOUNDARY...WHICH WAS LOCATED AHEAD OF A WEAK COLD FRONT ACROSS
SOUTHERN KANSAS.  THE LINE OF STORMS AND ASSOCIATED OUTFLOW BOUNDARY ARE
EXPECTED TO MOVE EASTWARD OUT OF NORTHWEST ARKANSAS THIS AFTERNOON...
WHILE THE COLD FRONT BECOMES STATIONARY AND WEAKENS THROUGH TONIGHT.

.DISCUSSION...
THE LINE OF SEVERE THUNDERSTORMS OVER NORTHWEST ARKANSAS IS EXPECTED TO
REMAIN SEVERE AS IT MOVES NORTHEASTWARD ACROSS ALL OF NORTHWEST ARKANSAS
THROUGH 3 PM.  GIVEN THE DEGREE OF INSTABILITY AVAILABLE EAST OF THE
OUTFLOW BOUNDARY AND THE EXTREME WIND SHEAR OF THE ENVIRONMENT.
WIDESPREAD SEVERE WEATHER...INCLUDING DAMAGING TORNADOES WILL BE
POSSIBLE IN THE OUTLOOKED AREA.

A LARGE AREA OF LIGHT TO MODERATE RAIN BEHIND THE STORMS WILL PREVENT
DESTABILIZATION OF THE ATMOSPHERE ACROSS EASTERN OKLAHOMA THIS
AFTERNOON.  THEREFORE...THE REDEVELOPMENT OF SEVERE WEATHER LATER THIS
AFTERNOON AND TONIGHT IS NOT EXPECTED.

.EMERGENCY AGENCY AND SPOTTER ACTIVATION...
SPOTTERS ACROSS NORTHWEST ARKNASAS...IF NOT ALREADY ACTIVE...SHOULD
ACTIVATE AS SOON AS POSSIBLE.  FURTHER SPOTTER ACTIVATION  LATER THIS
AFTERNOON AND TONIGHT IS NOT ANTICIPATED.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 3, 2:47 AM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Sebastian43 min
Apr 3, 3:10 AM CSTSevere Thunderstorm WarningTSACrawford, Madison, Washington65 min
Apr 3, 3:37 AM CSTTornado WarningTSACrawford, Washington23 min
Apr 3, 3:53 AM CSTTornado WarningTSAMadison52 min
Apr 3, 4:44 AM CSTSevere Thunderstorm WarningTSAMadison31 min
Apr 3, 6:39 AM CSTFlash Flood WarningTSACrawford, Madison, Washington2 hr
Apr 3, 6:39 AM CSTFlash Flood WarningTSACrawford, Madison, Washington66 min
Apr 3, 6:59 AM CSTFlash Flood WarningTSASebastian3 hr
Apr 3, 7:42 AM CSTSevere Thunderstorm WarningTSASebastian48 min
Apr 3, 7:47 AM CSTSevere Thunderstorm WarningTSAFranklin43 min
Apr 3, 1:55 PM CSTSevere Thunderstorm WarningTSAMadison35 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1999Every severe thunderstorm warning in 1999

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.