Alert archive / Arkansas / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 310, NWS Little Rock, AR

October 18, 2004Monroe County, Woodruff County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Oct 18, 2004, 9:00 AM CDT for Monroe County, Woodruff County, Arkansas. It was in force for 45 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
Oct 18, 2004, 9:00 AM CDT (14:00 UTC)
Expired
Oct 18, 2004, 9:45 AM CDT
In force
45 min
Issued by
NWS Little Rock, AR
Area
Counties, with a storm outline in the text

Counties Monroe County, AR, Woodruff County, AR

The radar

The Little Rock radar (KLZK), 95 km from the middle of the area, began a volume at 14:00 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.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 2.0 hours before the alert went out and 117 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 12:00Z on 2004-10-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1504 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 12:00Z on 2004-10-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 390 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
1504 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
390 m²/s²
0-3 km storm-relative helicity
482 m²/s²
Significant tornado parameter
3.3
Supercell composite
16.6

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KLZK 181400
SVRLIT
ARC095-147-181445-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
859 AM CDT MON OCT 18 2004

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN MONROE COUNTY IN EASTERN ARKANSAS
  WOODRUFF COUNTY IN EASTERN ARKANSAS

* UNTIL 945 AM CDT

* AT 857 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF BRINKLEY...MOVING NORTHEAST AT
  40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRINKLEY AROUND 910 AM CDT
  HUNTER AROUND 920 AM CDT

THE MAIN SEVERE WEATHER THREAT IN THE WARNING AREA IS STRONG AND
GUSTY WINDS. SOME DAMAGE MAY OCCUR SUCH AS DOWNED TREES OR TREE LIMBS
AND POWER LINES. THE STORM MAY ALSO PRODUCE HAIL IN SOME AREAS. FOR
YOUR PROTECTION...GO INDOORS UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN LITTLE ROCK.

LAT...LON 3481 9134 3485 9135 3487 9132 3490 9137
      3505 9135 3519 9109 3501 9109 3500 9115
      3492 9115 3491 9112 3480 9111

$$

29

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 18, 5:58 AM CDTSevere Thunderstorm WarningLZKFulton32 min
Oct 18, 6:26 AM CDTSevere Thunderstorm WarningLZKFaulkner34 min
Oct 18, 6:51 AM CDTSevere Thunderstorm WarningLZKLonoke, White39 min
Oct 18, 7:04 AM CDTSevere Thunderstorm WarningLZKSaline26 min
Oct 18, 7:26 AM CDTSevere Thunderstorm WarningLZKPulaski49 min
Oct 18, 7:38 AM CDTSevere Thunderstorm WarningLZKWhite, Woodruff52 min
Oct 18, 7:54 AM CDTFlash Flood WarningLZKPulaski2 hr
Oct 18, 8:45 AM CDTSevere Thunderstorm WarningLZKSaline45 min
Oct 18, 9:17 AM CDTTornado WarningLZKPulaski, Saline43 min
Oct 18, 9:51 AM CDTTornado WarningLZKLonoke39 min
Oct 18, 9:57 AM CDTTornado WarningLZKPulaski18 min
Oct 18, 10:26 AM CDTTornado WarningLZKLonoke, Prairie64 min
Oct 18, 10:53 AM CDTFlash Flood WarningLZKLonoke2 hr
Oct 18, 11:14 AM CDTFlash Flood WarningLZKPrairie2 hr
Oct 18, 11:19 AM CDTTornado WarningLZKMonroe56 min
Oct 18, 11:30 AM CDTSevere Thunderstorm WarningLZKArkansas, Lonoke, Prairie45 min
Oct 18, 3:50 PM CDTSevere Thunderstorm WarningLZKCleburne40 min
Oct 18, 4:12 PM CDTSevere Thunderstorm WarningLZKIndependence63 min
Oct 18, 5:14 PM CDTSevere Thunderstorm WarningLZKJackson31 min
Oct 18, 5:26 PM CDTSevere Thunderstorm WarningLZKIndependence34 min
Oct 18, 5:50 PM CDTSevere Thunderstorm WarningLZKDallas40 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2004Every severe thunderstorm warning in 2004

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.