Alert archive / Arkansas / Tornado Warnings in 2009

Tornado Warning 16, NWS Tulsa, OK

April 9, 2009Crawford County, Franklin County, Madison County, Arkansas

NWS Tulsa, OK issued this tornado warning at Apr 9, 2009, 7:43 PM CDT for Crawford County, Franklin County, Madison County, Arkansas. It was in force for 33 min. 2 reports 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
Apr 9, 2009, 7:43 PM CDT (00:43 UTC)
Expired
Apr 9, 2009, 8:16 PM CDT
In force
33 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon

Counties Crawford County, AR, Franklin County, AR, Madison County, AR

The radar

The Western Arkansas radar (KSRX), 73 km from the middle of the area, began a volume at 00:43 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
Apr 9, 7:57 PM CDTTSTM WND DMGCombs, ARSEVERAL LARGE TREE LIMBS DOWN
Apr 9, 7:57 PM CDTHAIL 0.75Combs, AR

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
Apr 9, 1:44 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 0.7 hours before the alert went out and 126 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 2009-04-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 124 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 2009-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 440 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
124 J/kg
Mixed-layer CIN
-201 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
440 m²/s²
0-3 km storm-relative helicity
474 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 KTSA 100043
TORTSA
ARC033-047-087-100130-
/O.NEW.KTSA.TO.W.0016.090410T0043Z-090410T0130Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
743 PM CDT THU APR 9 2009

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN CRAWFORD COUNTY IN NORTHWEST ARKANSAS
  SOUTHERN MADISON COUNTY IN NORTHWEST ARKANSAS
  NORTHERN FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 830 PM CDT

* AT 741 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 17 MILES
  SOUTHWEST OF SAINT PAUL...MOVING EAST AT 40 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SAINT PAUL...
  PETTIGREW AND BOSTON.

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 3577 9352 3576 9368 3572 9368 3565 9405
      3573 9407 3577 9400 3576 9397 3578 9396
      3596 9361
TIME...MOT...LOC 0043Z 248DEG 35KT 3571 9401

$$
3 follow-up statements
000 
WWUS54 KTSA 100053
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
753 PM CDT THU APR 9 2009

ARC033-100104-
/O.CAN.KTSA.TO.W.0016.000000T0000Z-090410T0130Z/
CRAWFORD AR-
753 PM CDT THU APR 9 2009

...THE TORNADO WARNING FOR NORTHEASTERN CRAWFORD COUNTY IS
CANCELLED...

LAT...LON 3573 9385 3580 9389 3596 9361 3577 9352
      3576 9368 3572 9368
TIME...MOT...LOC 0054Z 248DEG 35KT 3577 9385

$$

ARC047-087-100130-
/O.CON.KTSA.TO.W.0016.000000T0000Z-090410T0130Z/
FRANKLIN AR-MADISON AR-
753 PM CDT THU APR 9 2009

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

AT 753 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR COMBS...MOVING EAST AT 40 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...COMBS...
BRASHEARS...SAINT PAUL...DUTTON...PETTIGREW AND BOSTON.

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 3573 9385 3580 9389 3596 9361 3577 9352
      3576 9368 3572 9368
TIME...MOT...LOC 0054Z 248DEG 35KT 3577 9385

$$
000 
WWUS54 KTSA 100108
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
808 PM CDT THU APR 9 2009

ARC047-100118-
/O.CAN.KTSA.TO.W.0016.000000T0000Z-090410T0130Z/
FRANKLIN AR-
808 PM CDT THU APR 9 2009

...THE TORNADO WARNING FOR NORTHEASTERN FRANKLIN COUNTY IS
CANCELLED...

LAT...LON 3577 9371 3584 9374 3596 9361 3577 9352
TIME...MOT...LOC 0108Z 251DEG 31KT 3582 9369

$$

ARC087-100130-
/O.CON.KTSA.TO.W.0016.000000T0000Z-090410T0130Z/
MADISON AR-
808 PM CDT THU APR 9 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR SOUTHERN
MADISON COUNTY...

AT 807 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR DUTTON...MOVING EAST AT 35 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...PETTIGREW AND
BOSTON.

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 3577 9371 3584 9374 3596 9361 3577 9352
TIME...MOT...LOC 0108Z 251DEG 31KT 3582 9369

$$
000 
WWUS54 KTSA 100116
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
816 PM CDT THU APR 9 2009

ARC087-100126-
/O.CAN.KTSA.TO.W.0016.000000T0000Z-090410T0130Z/
MADISON AR-
816 PM CDT THU APR 9 2009

...THE TORNADO WARNING FOR SOUTHERN MADISON COUNTY IS CANCELLED...

THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 9 PM.

LAT...LON 3577 9371 3584 9374 3596 9361 3577 9352
TIME...MOT...LOC 0116Z 251DEG 31KT 3584 9361

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 7:45 PM CDTSevere Thunderstorm WarningTSACarroll, Madison48 min
Apr 9, 7:49 PM CDTSevere Thunderstorm WarningTSACrawford, Franklin, Madison, Sebastian, Washington45 min
Apr 10, 2:48 PM CDTFrost AdvisoryTSABenton, Carroll, Madison, Washington18 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.