Alert archive / Arkansas / Tornado Warnings in 2009

Tornado Warning 37, NWS Tulsa, OK

October 8, 20094 counties in Arkansas

NWS Tulsa, OK issued this tornado warning at Oct 8, 2009, 7:52 PM CDT for 4 counties in Arkansas. It was in force for 38 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
Oct 8, 2009, 7:52 PM CDT (00:52 UTC)
Expired
Oct 8, 2009, 8:30 PM CDT
In force
38 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Benton County, AR, Carroll County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 115 km from the middle of the area, began a volume at 00:52 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
Oct 8, 7:52 PM CDTTSTM WND DMGSonora, ARTREES DOWNED BY WIND.

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
Oct 8, 4:41 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.9 hours before the alert went out and 80 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 2009-10-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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 2009-10-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -367 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
499 m above ground
0-6 km bulk shear
71 kt
0-1 km storm-relative helicity
-367 m²/s²
0-3 km storm-relative helicity
-20 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 090052
TORTSA
ARC007-015-087-143-090130-
/O.NEW.KTSA.TO.W.0037.091009T0052Z-091009T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
752 PM CDT THU OCT 8 2009

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN BENTON COUNTY IN NORTHWEST ARKANSAS
  SOUTHERN CARROLL COUNTY IN NORTHWEST ARKANSAS
  NORTHERN MADISON COUNTY IN NORTHWEST ARKANSAS
  NORTHEASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 830 PM CDT

* AT 749 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO        
  ANYWHERE ALONG LINE EXTENDING FROM 4 MILES SOUTHWEST OF WAR EAGLE  
  TO 3 MILES SOUTHEAST OF FAYETTEVILLE...MOVING EAST AT 35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...WAR EAGLE...
  ELKINS...HINDSVILLE...WESLEY...CLIFTY...FORUM...JAPTON...
  HUNTSVILLE...AURORA...WITTER...MARBLE...KINGSTON...RULE...RUDD AND
  GREEN FOREST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

&&

LAT...LON 3637 9338 3590 9358 3595 9425 3633 9406
TIME...MOT...LOC 0051Z 274DEG 31KT 3624 9398 3603 9409

$$
2 follow-up statements
000 
WWUS54 KTSA 090105
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
805 PM CDT THU OCT 8 2009

ARC007-015-087-143-090130-
/O.CON.KTSA.TO.W.0037.000000T0000Z-091009T0130Z/
WASHINGTON AR-CARROLL AR-BENTON AR-MADISON AR-
805 PM CDT THU OCT 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTHERN
MADISON...EASTERN BENTON...SOUTHERN CARROLL AND NORTHEASTERN
WASHINGTON COUNTIES...

AT 802 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING BRIEF TORNADOES. 
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LOOKOUT TO 
MAYFIELD TO BLACK OAK...MOVING EAST AT 35 MPH.

THE STRONGEST CIRCULATION WAS LOCATED JUST WEST OF ELKINS...MOVING 
EAST NORTHEAST AT ABOUT 35 MPH. 

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...HINDSVILLE...
ELKINS...CLIFTY...TUTTLE...DURHAM...WESLEY...FORUM...ROCKHOUSE...
HUNTSVILLE...HARMONY...ALABAM...GEORGETOWN...JAPTON...MARBLE...
WITTER...KINGSTON...AURORA...RULE...CABANAL...CONNOR...RUDD...
METALTON...DRYFORK AND GREEN FOREST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

&&

LAT...LON 3637 9338 3590 9358 3595 9425 3633 9406
TIME...MOT...LOC 0104Z 274DEG 31KT 3630 9381 3612 9389
          3601 9403

$$
000 
WWUS54 KTSA 090125
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
825 PM CDT THU OCT 8 2009

ARC007-143-090134-
/O.CAN.KTSA.TO.W.0037.000000T0000Z-091009T0130Z/
WASHINGTON AR-BENTON AR-
825 PM CDT THU OCT 8 2009

...THE TORNADO WARNING FOR EASTERN BENTON AND NORTHEASTERN WASHINGTON
COUNTIES IS CANCELLED...

LAT...LON 3590 9358 3594 9394 3609 9394 3624 9389
      3624 9386 3629 9387 3634 9385 3637 9338
TIME...MOT...LOC 0124Z 263DEG 26KT 3627 9359 3612 9372
          3598 9382

$$

ARC015-087-090130-
/O.CON.KTSA.TO.W.0037.000000T0000Z-091009T0130Z/
CARROLL AR-MADISON AR-
825 PM CDT THU OCT 8 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTHERN
MADISON AND SOUTHERN CARROLL COUNTIES...

AT 821 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING A TORNADO. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM ROCKHOUSE TO
HUNTSVILLE TO GEORGETOWN...MOVING EAST AT 30 MPH.

THE STRONGEST PORTION OF THIS LINE WAS LOCATED 5 MILES EAST OF 
ROCKHOUSE.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...JAPTON...
ALABAM...HARMONY...CABANAL...MARBLE...WITTER...KINGSTON...AURORA...
RULE...CONNOR...RUDD...METALTON...DRYFORK AND GREEN FOREST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

&&

LAT...LON 3590 9358 3594 9394 3609 9394 3624 9389
      3624 9386 3629 9387 3634 9385 3637 9338
TIME...MOT...LOC 0124Z 263DEG 26KT 3627 9359 3612 9372
          3598 9382

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 8, 7:21 PM CDTTornado WarningTSABenton, Washington39 min
Oct 8, 8:33 PM CDTTornado WarningTSACarroll, Madison27 min
Oct 8, 8:47 PM CDTFlash Flood WarningTSACarroll, Madison14 hr
Oct 8, 9:08 PM CDTFlash Flood WarningTSACrawford, Franklin, Sebastian13 hr
Oct 8, 10:20 PM CDTSpecial Weather StatementTSACrawford, Franklin40 min
Oct 9, 12:31 AM CDTFlash Flood WarningTSABenton, Washington10 hr
Oct 9, 9:10 AM CDTRiver Flood WarningTSACrawford, Sebastian29 hr
Oct 9, 10:20 AM CDTAreal Flood WarningTSABenton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more6 hr
Oct 9, 3:56 PM CDTAreal Flood WarningTSABenton, Carroll, Crawford, Madison, Washington27 hr

Nearby

Tornado Warnings in Arkansas, 2009Every tornado warning in 2009Tornadoes in 2009

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.