Alert archive / Arkansas / Tornado Warnings in 2008

Tornado Warning 25, NWS Tulsa, OK

March 18, 2008Franklin County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 18, 2008, 11:55 AM CDT for Franklin County, Arkansas. It was in force for 40 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 18, 2008, 11:55 AM CDT (16:55 UTC)
Expired: Mar 18, 2008, 12:35 PM CDT
In force: 40 min
Issued by: NWS Tulsa, OK
Area: Storm-based polygon

County Franklin County, AR

The radar

The Western Arkansas radar (KSRX), 52 km from the middle of the area, began a volume at 16:56 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 18, 11:57 AM CDT	TSTM WND GST 65	Charleston, 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.

Issued	Product	Office	Lasted
Mar 18, 10:16 AM CDT	Tornado Watch PDS	SPC	7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 4.9 hours before the alert went out and 164 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 529 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -191 m²/s²
0-3 km storm-relative helicity: -22 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 181654
TORTSA
ARC047-181745-
/O.NEW.KTSA.TO.W.0025.080318T1655Z-080318T1745Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
1155 AM CDT TUE MAR 18 2008

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 1245 PM CDT

* AT 1152 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 2 MILES NORTH OF
  BRANCH...MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...OZARK...
  DENNING...ALTUS AND WIEDERKEHR VILLAGE.

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 3562 9370 3541 9371 3536 9376 3538 9378
      3537 9378 3534 9378 3531 9382 3525 9406
      3559 9403
TIME...MOT...LOC 1655Z 226DEG 43KT 3536 9393

$$

3 follow-up statements

000 
WWUS54 KTSA 181703
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1203 PM CDT TUE MAR 18 2008

ARC047-181745-
/O.CON.KTSA.TO.W.0025.000000T0000Z-080318T1745Z/
FRANKLIN AR-
1203 PM CDT TUE MAR 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR SOUTHERN
FRANKLIN COUNTY...

AT NOON CDT...WEATHER SERVICE RADAR CONTINUED TO INDICATE A
POTENTIALLY TORNADIC THUNDERSTORM WITH STRONG LOW LEVEL ROTATION.
THIS STORM WAS LOCATED NEAR PETER PENDER...MOVING NORTHEAST AT 45
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...TONEY...
LONELM...CRAVENS...OZARK...DENNING...ALTUS...ALIX...WIEDERKEHR
VILLAGE AND WATALULA.

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 3541 9371 3536 9376 3538 9378 3537 9378
      3534 9378 3531 9382 3528 9396 3556 9400
      3562 9370
TIME...MOT...LOC 1703Z 226DEG 43KT 3540 9387

$$

000 
WWUS54 KTSA 181713
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1212 PM CDT TUE MAR 18 2008

ARC047-181745-
/O.CON.KTSA.TO.W.0025.000000T0000Z-080318T1745Z/
FRANKLIN AR-
1212 PM CDT TUE MAR 18 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1245 PM CDT FOR CENTRAL
FRANKLIN COUNTY...

AT 1211 PM CDT...WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS STORM WAS
LOCATED NEAR ALTUS...MOVING NORTHEAST AT 45 MPH.

SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...WIEDERKEHR
VILLAGE...WATALULA...CRAVENS...LONELM...ALTUS...DENNING...MEG...OZARK
AND ALIX.

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 3546 9372 3541 9371 3536 9376 3537 9378
      3534 9378 3531 9382 3534 9389 3556 9398
      3562 9370
TIME...MOT...LOC 1712Z 226DEG 43KT 5093 11849

$$

000 
WWUS54 KTSA 181735
SVSTSA

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
1235 PM CDT TUE MAR 18 2008

ARC047-181745-
/O.CAN.KTSA.TO.W.0025.000000T0000Z-080318T1745Z/
FRANKLIN AR-
1235 PM CDT TUE MAR 18 2008

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

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

GUSTY WINDS AND HEAVY RAIN WILL STILL BE POSSIBLE WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT.

LAT...LON 3546 9372 3541 9371 3536 9376 3537 9378
      3534 9378 3531 9382 3534 9389 3556 9398
      3562 9370
TIME...MOT...LOC 1735Z 226DEG 43KT 5109 11812

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 7:15 PM CDT	Special Weather Statement	TSA	Benton	30 min
Mar 17, 7:37 PM CDT	Special Weather Statement	TSA	Benton	23 min
Mar 17, 10:40 PM CDT	Special Weather Statement	TSA	Benton	50 min
Mar 17, 11:53 PM CDT	Special Weather Statement	TSA	Madison	37 min
Mar 18, 12:20 AM CDT	Flash Flood Warning	TSA	Benton	4 hr
Mar 18, 3:56 AM CDT	Flash Flood Warning	TSA	Benton	3 hr
Mar 18, 4:26 AM CDT	Special Weather Statement	TSA	Benton, Washington	49 min
Mar 18, 4:50 AM CDT	Flash Flood Warning	TSA	Benton, Washington	6 hr
Mar 18, 5:03 AM CDT	Special Weather Statement	TSA	Carroll, Madison, Washington	57 min
Mar 18, 8:35 AM CDT	Flash Flood Warning	TSA	Carroll, Crawford, Franklin, Madison, Sebastian	6 hr
Mar 18, 10:52 AM CDT	Special Weather Statement	TSA	Franklin, Sebastian	53 min
Mar 18, 11:17 AM CDT	Severe Thunderstorm Warning	TSA	Franklin	58 min
Mar 18, 11:46 AM CDT	Severe Thunderstorm Warning	TSA	Franklin	59 min
Mar 18, 2:14 PM CDT	Flash Flood Warning	TSA	Carroll, Crawford, Franklin, Madison, Sebastian	6 hr
Mar 18, 3:44 PM CDT	River Flood Warning	TSA	Crawford, Sebastian	71 hr
Mar 18, 3:50 PM CDT	River Flood Warning	TSA	Crawford	24 hr
Mar 18, 4:49 PM CDT	Flash Flood Warning	TSA	Benton, Washington	3 hr

Nearby

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