Alert archive / Arkansas / Tornado Warnings in 2017

Tornado Warning 5, NWS Tulsa, OK

March 6, 2017Madison County, Arkansas

NWS Tulsa, OK issued this tornado warning at Mar 6, 2017, 11:14 PM CST for Madison County, Arkansas. It was in force for 31 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
Mar 6, 2017, 11:14 PM CST (05:14 UTC)
Expired
Mar 6, 2017, 11:45 PM CST
In force
31 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Madison County, AR

The radar

The Western Arkansas radar (KSRX), 105 km from the middle of the area, began a volume at 05:14 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
Mar 6, 6:51 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.2 hours before the alert went out and 108 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 2017-03-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 629 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 2017-03-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 319 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
629 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
1110 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
319 m²/s²
0-3 km storm-relative helicity
542 m²/s²
Significant tornado parameter
1.7
Supercell composite
8.2

Open this sounding in Storm Lab

The text

As transmitted.

001 
WFUS54 KTSA 070514
TORTSA
ARC087-070545-
/O.NEW.KTSA.TO.W.0005.170307T0514Z-170307T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tulsa OK
1114 PM CST MON MAR 6 2017

The National Weather Service in Tulsa has issued a

* Tornado Warning for...
  Southeastern Madison County in northwestern Arkansas...

* Until 1145 PM CST
    
* At 1114 PM CST, a severe thunderstorm capable of producing a
  tornado was located 3 miles northeast of St. Paul, moving east at
  35 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* Locations in or near the path include...
  Kingston...                       Witter...
  Boston...                         Weathers...
  Red Star...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3597 9346 3595 9347 3595 9349 3593 9349
      3592 9351 3588 9351 3588 9352 3583 9352
      3583 9379 3592 9384 3609 9348 3608 9348
      3608 9345 3597 9345
TIME...MOT...LOC 0514Z 252DEG 31KT 3586 9372 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
3 follow-up statements
545 
WWUS54 KTSA 070524
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1124 PM CST MON MAR 6 2017

ARC087-070545-
/O.CON.KTSA.TO.W.0005.000000T0000Z-170307T0545Z/
Madison AR-
1124 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CST FOR
SOUTHEASTERN MADISON COUNTY...
    
At 1124 PM CST, a severe thunderstorm capable of producing a tornado
was located 3 miles north of Boston, moving east at 35 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations in or near the path include...
Kingston...                       Witter...
Boston...                         Weathers...
Red Star...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 3597 9346 3595 9347 3595 9349 3593 9349
      3592 9351 3588 9351 3588 9352 3583 9352
      3584 9365 3596 9374 3609 9348 3608 9348
      3608 9345 3597 9345
TIME...MOT...LOC 0524Z 252DEG 31KT 3589 9362 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$
012 
WWUS54 KTSA 070531
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1131 PM CST MON MAR 6 2017

ARC087-070545-
/O.CON.KTSA.TO.W.0005.000000T0000Z-170307T0545Z/
Madison AR-
1131 PM CST MON MAR 6 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 PM CST FOR
SOUTHEASTERN MADISON COUNTY...
    
At 1130 PM CST, a severe thunderstorm capable of producing a tornado 
was located 4 miles west of the Upper Buffalo Wilderness Area, 
moving east at 45 mph.

HAZARD...Tornado and half dollar size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

Locations in or near the path include...
Kingston...                       Red Star...
Weathers...                       

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Tornadoes are extremely difficult to see and confirm at night. Do not
wait to see or hear the tornado. TAKE COVER NOW!

&&

LAT...LON 3597 9346 3595 9347 3595 9349 3593 9349
      3592 9351 3588 9351 3588 9352 3586 9352
      3588 9361 3600 9363 3609 9348 3608 9348
      3608 9345 3597 9345
TIME...MOT...LOC 0530Z 248DEG 37KT 3592 9352 

TORNADO...RADAR INDICATED
HAIL...1.25IN

$$
350 
WWUS54 KTSA 070541
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1141 PM CST MON MAR 6 2017

ARC087-070550-
/O.EXP.KTSA.TO.W.0005.000000T0000Z-170307T0545Z/
Madison AR-
1141 PM CST MON MAR 6 2017

...THE TORNADO WARNING FOR SOUTHEASTERN MADISON COUNTY WILL EXPIRE AT
1145 PM CST...
    
The tornadic thunderstorm which prompted the warning is moving out 
of the warned area. Therefore the warning will be allowed to expire.

A tornado watch remains in effect until 300 AM CST for northwestern
Arkansas.

LAT...LON 3597 9346 3595 9347 3595 9349 3593 9349
      3592 9351 3588 9351 3588 9352 3586 9352
      3588 9361 3600 9363 3609 9348 3608 9348
      3608 9345 3597 9345
TIME...MOT...LOC 0540Z 252DEG 31KT 3595 9342 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 8:55 PM CSTSevere Thunderstorm WarningTSAWashington35 min
Mar 6, 9:09 PM CSTTornado WarningTSAWashington36 min
Mar 6, 9:11 PM CSTSevere Thunderstorm WarningTSACrawford, Washington49 min
Mar 6, 9:16 PM CSTSpecial Weather StatementTSAWashington44 min
Mar 6, 9:40 PM CSTTornado WarningTSACrawford, Washington35 min
Mar 6, 10:04 PM CSTSevere Thunderstorm WarningTSACrawford, Washington26 min
Mar 6, 10:21 PM CSTTornado WarningTSACrawford, Washington24 min
Mar 6, 10:45 PM CSTTornado WarningTSAMadison, Washington30 min
Mar 6, 10:53 PM CSTSevere Thunderstorm WarningTSABenton, Washington67 min
Mar 6, 11:24 PM CSTSevere Thunderstorm WarningTSABenton, Carroll, Madison, Washington66 min
Mar 6, 11:44 PM CSTSevere Thunderstorm WarningTSACrawford61 min
Mar 7, 12:28 AM CSTSevere Thunderstorm WarningTSACarroll, Crawford, Franklin, Madison, Sebastian, Washington47 min
Mar 7, 12:51 AM CSTSevere Thunderstorm WarningTSASebastian39 min
Mar 7, 1:11 AM CSTSevere Thunderstorm WarningTSACrawford, Franklin, Madison, Sebastian49 min
Mar 7, 1:28 AM CSTSevere Thunderstorm WarningTSASebastian47 min

Nearby

Tornado Warnings in Arkansas, 2017Every tornado warning in 2017Tornadoes in 2017

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.