Alert archive / Arkansas / Tornado Warnings in 2009

Tornado Warning 21, NWS Little Rock, AR

May 1, 20095 counties in Arkansas

NWS Little Rock, AR issued this tornado warning at May 1, 2009, 8:56 PM CDT for 5 counties in Arkansas. It was in force for 49 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
May 1, 2009, 8:56 PM CDT (01:56 UTC)
Expired
May 1, 2009, 9:45 PM CDT
In force
49 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Johnson County, AR, Newton County, AR, Pope County, AR, Searcy County, AR, Van Buren County, AR

The radar

The Little Rock radar (KLZK), 112 km from the middle of the area, began a volume at 02:00 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 watch it was issued in

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

IssuedProductOfficeLasted
May 1, 3:36 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.9 hours before the alert went out and 156 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 2009-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 8 joules per kilogram.LCLEL10008507005003002001001 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 2009-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
8 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
445 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
321 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KLZK 020156
TORLZK
ARC071-101-115-129-141-020245-
/O.NEW.KLZK.TO.W.0021.090502T0156Z-090502T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
856 PM CDT FRI MAY 1 2009

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN POPE COUNTY IN CENTRAL ARKANSAS
  SOUTHEASTERN NEWTON COUNTY IN NORTH CENTRAL ARKANSAS
  EXTREME SOUTHWESTERN SEARCY COUNTY IN NORTH CENTRAL ARKANSAS
  WEST CENTRAL VAN BUREN COUNTY IN NORTH CENTRAL ARKANSAS
  EAST CENTRAL JOHNSON COUNTY IN WESTERN ARKANSAS

* UNTIL 945 PM CDT

* AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO OVER
  NORTHWESTERN POPE COUNTY...MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROTARY ANN PARK...
  SAND GAP...
  FAIRVIEW RECREATION AREA...
  FREEMAN SPRINGS...
  SIMPSON...
  MOCCASIN GAP RECREATION AREA...
  PEDESTAL ROCKS...
  VICTOR...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 3574 9277 3549 9282 3558 9328 3576 9325
TIME...MOT...LOC 0156Z 278DEG 14KT 3566 9315

$$
61

The office that day

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

IssuedProductOfficeCountiesLasted
May 1, 7:25 PM CDTTornado WarningLZKBoone, Newton50 min
May 1, 8:04 PM CDTSevere Thunderstorm WarningLZKJohnson, Newton, Pope41 min
May 1, 8:16 PM CDTTornado WarningLZKJohnson, Newton44 min
May 1, 8:28 PM CDTSevere Thunderstorm WarningLZKJohnson, Newton, Pope47 min
May 1, 8:42 PM CDTSevere Thunderstorm WarningLZKJohnson, Newton, Pope, Searcy31 min
May 1, 9:19 PM CDTSevere Thunderstorm WarningLZKJohnson, Pope41 min
May 1, 9:45 PM CDTFlash Flood WarningLZKConway, Johnson, Newton, Pope, Searcy, Van Buren and 1 more2 hr
May 1, 9:50 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Newton, Perry, Pope, Van Buren and 1 more55 min
May 1, 9:54 PM CDTTornado WarningLZKConway, Pope, Van Buren51 min
May 1, 10:47 PM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Van Buren58 min
May 1, 10:48 PM CDTSevere Thunderstorm WarningLZKJohnson, Pope42 min
May 1, 11:36 PM CDTSevere Thunderstorm WarningLZKConway, Johnson, Logan, Perry, Pope, Yell39 min
May 1, 11:45 PM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Van Buren, White45 min
May 1, 11:50 PM CDTFlash Flood WarningLZKConway, Faulkner, Johnson, Logan, Newton, Pope and 3 more6 hr
May 2, 12:18 AM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski42 min
May 2, 12:30 AM CDTSevere Thunderstorm WarningLZKCleburne, Conway, Faulkner, Van Buren, White48 min
May 2, 12:38 AM CDTSevere Thunderstorm WarningLZKFaulkner, Lonoke, Pulaski, White52 min
May 2, 1:13 AM CDTSevere Thunderstorm WarningLZKLonoke, Prairie, Pulaski, White33 min
May 2, 2:12 AM CDTFlash Flood WarningLZKCleburne, Faulkner, Independence, Jackson, Stone, Van Buren and 2 more4 hr
May 2, 3:46 AM CDTSevere Thunderstorm WarningLZKFaulkner32 min
May 2, 6:58 AM CDTFlash Flood WarningLZKConway, Faulkner, Pope, Van Buren, Yell4 hr
May 2, 7:54 AM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Yell41 min
May 2, 8:08 AM CDTFlash Flood WarningLZKFaulkner, Lonoke, Monroe, Prairie, Pulaski, White and 1 more3 hr
May 2, 8:19 AM CDTFlash Flood WarningLZKScott, Yell3 hr
May 2, 10:09 AM CDTFlash Flood WarningLZKJohnson, Logan, Pope, Scott, Yell3 hr
May 2, 11:04 AM CDTFlash Flood WarningLZKCleburne, Conway, Faulkner, Lonoke, Monroe, Perry and 8 more6 hr
May 2, 11:35 AM CDTFlash Flood WarningLZKMontgomery, Polk, Scott, Yell6 hr
May 2, 11:42 AM CDTSevere Thunderstorm WarningLZKPolk48 min
May 2, 12:16 PM CDTRiver Flood WarningLZKPrairie, White, Woodruff23 hr
May 2, 12:16 PM CDTRiver Flood WarningLZKPrairie18 days
May 2, 12:23 PM CDTRiver Flood WarningLZKRandolph18 days
May 2, 12:24 PM CDTRiver Flood WarningLZKWhite32 hr
May 2, 12:34 PM CDTSevere Thunderstorm WarningLZKClark, Montgomery, Pike41 min
May 2, 2:02 PM CDTSevere Thunderstorm WarningLZKCleveland, Dallas, Grant, Jefferson43 min
May 2, 2:08 PM CDTTornado WarningLZKCleveland, Dallas, Grant, Jefferson, Lincoln52 min
May 2, 2:56 PM CDTTornado WarningLZKCleveland, Jefferson, Lincoln49 min
May 2, 3:30 PM CDTSevere Thunderstorm WarningLZKBradley, Calhoun, Cleveland, Drew, Lincoln45 min
May 2, 3:40 PM CDTFlash Flood WarningLZKClark, Dallas, Garland, Hot Spring, Montgomery, Perry and 4 more6 hr
May 2, 3:51 PM CDTTornado WarningLZKDesha, Drew, Lincoln39 min
May 2, 4:15 PM CDTSevere Thunderstorm WarningLZKBradley, Drew60 min
May 2, 4:36 PM CDTSevere Thunderstorm WarningLZKDesha39 min
May 2, 4:59 PM CDTFlash Flood WarningLZKBradley, Calhoun, Clark, Cleveland, Dallas, Ouachita6 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.