Alert archive / Arkansas / Tornado Warnings in 2007

Tornado Warning 5, NWS Tulsa, OK

March 1, 2007Carroll County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 1, 2007, 4:13 AM CST for Carroll County, Arkansas. It was in force for 28 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: Mar 1, 2007, 4:13 AM CST (10:13 UTC)
Expired: Mar 1, 2007, 4:41 AM CST
In force: 28 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Carroll County, AR

The radar

The Springfield radar (KSGF), 98 km from the middle of the area, began a volume at 10:13 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

Time	Report	Where	Remark
Mar 1, 4:20 AM CST	TSTM WND DMG	Berryville, AR	FOUR INCH TREE LIMBS BLOWN 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.

Issued	Product	Office	Lasted
Mar 1, 1:32 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 10.2 hours before the alert went out and 61 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 283 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 1189 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 148 m²/s²
0-3 km storm-relative helicity: 243 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 011012
TORTSA
ARC015-011100-
/O.NEW.KTSA.TO.W.0005.070301T1013Z-070301T1100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
413 AM CST THU MAR 1 2007

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  CARROLL COUNTY IN NORTHWEST ARKANSAS

* UNTIL 500 AM CST

* AT 411 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 4 MILES
  SOUTHWEST OF BERRYVILLE...MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BERRYVILLE...
  GRANDVIEW...URBANETTE AND OAK GROVE.

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 3636 9377 3622 9363 3643 9329 3649 9361

$$

2 follow-up statements

000 
WWUS54 KTSA 011022
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
422 AM CST THU MAR 1 2007

ARC015-011100-
/O.CON.KTSA.TO.W.0005.000000T0000Z-070301T1100Z/
CARROLL AR-
422 AM CST THU MAR 1 2007

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 AM CST FOR CARROLL
COUNTY...

AT 419 AM CST...WEATHER SERVICE RADAR CONTINUED TO INDICATE A
POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.
THIS STORM WAS LOCATED NEAR BERRYVILLE...MOVING NORTHEAST AT 50 MPH.
THIS IS A DANGEROUS STORM...A TORNADO IS OCCURRING OR COULD FORM AT
ANY TIME.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OAK GROVE.

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

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. IF NO 
UNDERGROUND SHELTER IS AVAILABLE TAKE COVER ON THE LOWEST FLOOR IN 
AN INTERIOR ROOM AWAY FROM WINDOWS.

LAT...LON 3636 9365 3632 9352 3643 9329 3650 9331
      3649 9361

$$

000 
WWUS54 KTSA 011041
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
441 AM CST THU MAR 1 2007

ARC015-011051-
/O.CAN.KTSA.TO.W.0005.000000T0000Z-070301T1100Z/
CARROLL AR-
441 AM CST THU MAR 1 2007

...THE TORNADO WARNING FOR CARROLL COUNTY IS CANCELLED...

THE THUNDERSTORM HAS MOVED OUT OF THE WARNED AREA...THEREFORE THE
TORNADO WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 AM.

LAT...LON 3636 9365 3632 9352 3643 9329 3650 9331
      3649 9361

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 1, 2:30 AM CST	Severe Thunderstorm Warning	TSA	Benton	41 min
Mar 1, 3:00 AM CST	Severe Thunderstorm Warning	TSA	Washington	45 min
Mar 1, 3:27 AM CST	Tornado Warning	TSA	Crawford, Sebastian	48 min
Mar 1, 3:40 AM CST	Severe Thunderstorm Warning	TSA	Benton	80 min
Mar 1, 3:47 AM CST	Tornado Warning	TSA	Franklin	58 min
Mar 1, 4:03 AM CST	Severe Thunderstorm Warning	TSA	Carroll, Madison	57 min
Mar 1, 4:08 AM CST	Severe Thunderstorm Warning	TSA	Sebastian	24 min
Mar 1, 4:44 AM CST	Severe Thunderstorm Warning	TSA	Washington	21 min
Mar 1, 4:50 AM CST	Severe Thunderstorm Warning	TSA	Franklin	36 min

Nearby

Tornado Warnings in Arkansas, 2007 Every tornado warning in 2007 Tornadoes in 2007

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.