Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 290, NWS Tulsa, OK

July 11, 2003Carroll County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 11, 2003, 10:53 PM CDT for Carroll County, Arkansas. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 11, 2003, 10:53 PM CDT (03:53 UTC)
Expired
Jul 11, 2003, 11:45 PM CDT
In force
52 min
Issued by
NWS Tulsa, OK
Area
Counties, with a storm outline in the text

County Carroll County, AR

The radar

The Springfield radar (KSGF), 99 km from the middle of the area, began a volume at 03:57 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 11, 9:40 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.9 hours before the alert went out and 82 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 2003-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1159 joules per kilogram.LCLEL10008507005003002001001 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 2003-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1159 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
1763 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
309 m²/s²
Significant tornado parameter
0.2
Supercell composite
4.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 120353
SVRTUL
ARC015-120445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1052 PM CDT FRI JUL 11 2003

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  CARROLL COUNTY IN NORTHWEST ARKANSAS

* UNTIL 1145 PM CDT

* AT 1052 PM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS     
  UP TO 80 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 23 MILES     
  NORTHEAST OF OAK GROVE TO 6 MILES NORTH OF OAK GROVE TO 10 MILES   
  NORTHWEST OF BEAVER...MOVING SOUTHEAST AT 45 MPH.

* SOME LOCATIONS AFFECTED INCLUDE... OAK GROVE...BERRYVILLE...EUREKA
  SPRINGS...OSAGE...GREEN FOREST...RUDD...CARROLLTON...RULE...
  URBANETTE...GRANDVIEW AND BEAVER.

THESE STORMS WILL AFFECT A LARGE PORTION OF THE WARNED AREA WITH
WIDESPREAD DAMAGING WINDS. PERSONS IN THESE AREAS SHOULD TAKE COVER
FROM THESE STORMS.

THESE STORMS WILL PRODUCE EXTENSIVE PROPERTY DAMAGE - TAKE COVER NOW
IF NO UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON
THE LOWEST FLOOR. ABANDON MOBILE HOMES AND VEHICLES FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3665 9300 3659 9352 3657 9399 3607 9341
          3599 9284 3606 9233

$$

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 Jul 11, 9:35 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jul 11, 9:35 PM CDT, 1 hour 18 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TULSA OKLAHOMA
935 PM CDT FRI JUL 11 2003

CONVECTION GRADUALLY FILLING IN ALONG STRENGTHENING BOUNDARY WHILE
INDIVIDUAL CELLS ARE GAINING A MORE SOUTHERLY COMPONENT TO THEIR
MOVEMENT.  SEVERE WEATHER PARAMETERS /DEEP LAYER SHEAR...ELEVATED
INSTABILITY/  REMAIN FAVORABLE FOR A CONTINUATION OF A SEVERE
WEATHER THREAT.  A NEW WEATHER WATCH WILL BE FORTHCOMING.

WILL TAPER POPS OFF FURTHER SOUTH AS INSTABILITY AND FORCING REALLY
TAPERS OFF.

FORECAST ID= 07

.TSA...
AR...NONE.
OK...NONE.
Hazardous weather outlook, Jul 11, 4:40 PM CDT, 6 hours 13 minutes before
ARZ001-002-010-011-019-020-029-OKZ049-053>076-121100-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TULSA OK
440 PM CDT FRI JUL 11 2003

THIS OUTLOOK IS FOR NORTHWEST AND WEST CENTRAL ARKANSAS AS WELL AS
MUCH OF EASTERN OKLAHOMA.

.DAY ONE...TODAY

SEVERE WEATHER OUTLOOK

...CHANCE OF SEVERE THUNDERSTORMS TONIGHT...

THUNDERSTORMS WILL DEVELOP THIS EVENING ACROSS CENTRAL KANSAS IN THE
VICINITY OF A WEAK COLD FRONT.  THE AIRMASS SOUTH OF THE FRONT HAS
BECOME INCREASINGLY UNSTABLE AND THUNDERSTORMS WHICH DEVELOP WILL
MOVE SOUTHWARD APPROACHING NORTHEAST OKLAHOMA BY LATE EVENING.
THE FAVORED AREA FOR OVERNIGHT SEVERE WEATHER WILL BE NORTH OF
INTERSTATE 40.  WINDS ALOFT AND ABUNDANT INSTABILITY ARE FAVORABLE
FOR SEVERE THUNDERSTORM DEVELOPMENT WITH HAIL TO THE SIZE OF
QUARTERS AND WINDS TO 80 MPH POSSIBLE.

THUNDERSTORM CHANCES WILL BE HIGHEST ACROSS NORTHERN LOCATIONS
OVERNIGHT WITH CHANCES GRADUALLY SHIFTING SOUTHWARD DURING SATURDAY
MORNING.

WARNING PROBABILITIES FOR SEVERE THUNDERSTORMS AND TORNADOES CAN BE
FOUND IN THE OUTLOOK SECTION AT: WWW.SRH.NOAA.GOV/TULSA. GIVEN
PROBABILITIES REPRESENT THE POTENTIAL FOR A WARNING TO BE ISSUED AT
YOUR LOCATION.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
THUNDERSTORMS WILL CONTINUE ACROSS EASTERN OKLAHOMA AND NORTHWEST
ARKANSAS INTO SATURDAY AS THE COLD FRONT SLOWLY MOVES THROUGH THE
AREA. SEVERE THUNDERSTORMS WILL BE POSSIBLE AS THE AIRMASS REMAINS
MODERATELY UNSTABLE ACROSS THE AREA. THE CHANCE OF THUNDERSTORMS
WILL DIMINISH ON SUNDAY AS THE COLD FRONT MOVES INTO NORTHERN TEXAS.
MONDAY THROUGH THURSDAY WILL BE HOT AND DRY AS HIGH PRESSURE
PREVAILS AT THE SURFACE AND ALOFT.

.SPOTTER / EMERGENCY MANAGEMENT ACTION STATEMENT...SPOTTER
ACTIVATION MAY BE NEEDED TONIGHT...MAINLY FOR AREAS NORTH OF
INTERSTATE 40.

ADDITIONAL WEATHER INFORMATION CAN BE FOUND AT...
WWW.SRH.NOAA.GOV/TULSA

In the hours before

Special weather statement, Jul 11, 9:42 PM CDT, 1 hour 11 minutes before
ARZ001>002-010-OKZ055>058-061>063-068>069-120800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
942 PM CDT FRI JUL 11 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
#729 UNTIL 300 AM CDT SATURDAY MORNING FOR THE FOLLOWING AREAS:

IN ARKANSAS THIS WATCH INCLUDES 4 COUNTIES...
IN NORTHWEST ARKANSAS:

BENTON                CARROLL               MADISON
WASHINGTON

IN OKLAHOMA THIS WATCH INCLUDES 9 COUNTIES...
IN EAST CENTRAL OKLAHOMA:

CHEROKEE

IN NORTHEAST OKLAHOMA:

ADAIR                 CRAIG                 DELAWARE
MAYES                 NOWATA                OTTAWA
ROGERS                WASHINGTON

THIS INCLUDES THE CITIES OF BARTLESVILLE...BENTONVILLE...
BERRYVILLE...CLAREMORE...EUREKA SPRINGS...FAYETTEVILLE...
HUNTSVILLE...JAY...MIAMI...NOWATA...PRYOR...ROGERS...SILOAM
SPRINGS...SPRINGDALE...STILWELL...TAHLEQUAH AND VINITA.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 11:24 PM CDTSevere Thunderstorm WarningTSABenton81 min
Jul 11, 11:39 PM CDTSevere Thunderstorm WarningTSACarroll, Madison81 min
Jul 12, 5:52 AM CDTSevere Thunderstorm WarningTSACarroll53 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2003Every severe thunderstorm warning in 2003

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.