Alert archive / Arkansas / Tornado Warnings in 2008

Tornado Warning 65, NWS Tulsa, OK

May 2, 2008Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at May 2, 2008, 4:47 AM CDT for Benton County, Arkansas. It was in force for 13 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 2, 2008, 4:47 AM CDT (09:47 UTC)
Expired
May 2, 2008, 5:00 AM CDT
In force
13 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

County Benton County, AR

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 09:50 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
May 2, 4:47 AM CDTTSTM WND DMGGarfield, ARSEVERAL LARGE TREES DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

IssuedProductOfficeLasted
May 2, 1:09 AM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 9.8 hours before the alert went out and 49 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 2008-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1112 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2008-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
1112 J/kg
Mixed-layer CIN
-241 J/kg
Mixed-layer LCL
1195 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
225 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 020947
TORTSA
ARC007-021000-
/O.NEW.KTSA.TO.W.0065.080502T0947Z-080502T1000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
447 AM CDT FRI MAY 2 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN BENTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 500 AM CDT

* AT 442 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
  A POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION
  5 MILES WEST OF GARFIELD...MOVING NORTHEAST AT 60 MPH. THIS
  DANGEROUS STORM HAS A HISTORY OF PRODUCING A TORNADO...TAKE COVER
  NOW

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...GATEWAY.

NIGHTTIME TORNADOES ARE ESPECIALLY DANGEROUS...TAKE COVER NOW IF YOU
WAIT UNTIL YOU SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A
SAFE PLACE

LAT...LON 3649 9385 3642 9386 3635 9404 3649 9411
      3650 9410 3650 9398 3651 9397 3651 9386
TIME...MOT...LOC 0947Z 245DEG 53KT 3648 9397

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 2, 3:30 AM CDTSevere Thunderstorm WarningTSABenton60 min
May 2, 4:02 AM CDTTornado WarningTSABenton, Washington43 min
May 2, 4:11 AM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Madison, Sebastian, Washington64 min
May 2, 4:21 AM CDTTornado WarningTSABenton, Washington24 min
May 2, 4:26 AM CDTSevere Thunderstorm WarningTSABenton, Carroll, Madison, Washington79 min
May 2, 5:10 AM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Madison, Sebastian, Washington80 min
May 2, 6:12 AM CDTAreal Flood AdvisoryTSAFranklin30 days

Nearby

Tornado Warnings in Arkansas, 2008Every tornado warning in 2008Tornadoes in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.