Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 192, NWS Tulsa, OK

December 5, 2021Benton County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Dec 5, 2021, 10:00 PM CST for Benton County, Arkansas. It was in force for 45 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
Dec 5, 2021, 10:00 PM CST (04:00 UTC)
Expired
Dec 5, 2021, 10:45 PM CST
In force
45 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Benton County, AR

The radar

The Springfield radar (KSGF), 113 km from the middle of the area, began a volume at 04:01 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
Dec 5, 8:54 PM CSTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 4.0 hours before the alert went out and 64 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 2021-12-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 125 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 2021-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 286 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
125 J/kg
Mixed-layer CIN
-146 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
286 m²/s²
0-3 km storm-relative helicity
462 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

902 
WUUS54 KTSA 060400
SVRTSA
ARC007-060445-
/O.NEW.KTSA.SV.W.0192.211206T0400Z-211206T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
1000 PM CST Sun Dec 5 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Benton County in northwestern Arkansas...

* Until 1045 PM CST.

* At 959 PM CST, severe thunderstorms were located along a line
  extending from 4 miles northwest of Gravette to 4 miles west of
  West Siloam Springs, moving east at 50 mph.

  HAZARD...60 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations in or near the path include...
  Springdale...                     Rogers...
  Bentonville...                    Bella Vista...
  Lowell...                         Pea Ridge...
  Gentry...                         Bethel Heights...
  Gravette...                       Cave Springs...
  Decatur...                        Highfill...
  Gateway...                        Springtown...
  Northwest Arkansas Regional Air...
  Hiwasse...
  Hobbs State Park...               War Eagle...
  Miller...                         Centerton...

This includes Interstate 49 between mile markers 76 and 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3624 9387 3621 9457 3649 9461 3650 9442
      3650 9387 3639 9387 3639 9388 3638 9389
      3637 9387
TIME...MOT...LOC 0359Z 269DEG 44KT 3648 9449 3619 9468 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
2 follow-up statements
303 
WWUS54 KTSA 060425
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1025 PM CST Sun Dec 5 2021

ARC007-060445-
/O.CON.KTSA.SV.W.0192.000000T0000Z-211206T0445Z/
Benton AR-
1025 PM CST Sun Dec 5 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CST
FOR BENTON COUNTY...

At 1025 PM CST, severe thunderstorms were located along a line
extending from near Garfield to 4 miles south of Springtown, moving
east at 35 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations in or near the path include...
Springdale...                     Rogers...
Bentonville...                    Bella Vista...
Lowell...                         Pea Ridge...
Gentry...                         Bethel Heights...
Cave Springs...                   Decatur...
Highfill...                       Gateway...
Springtown...                     Northwest Arkansas Regional Air...
Hobbs State Park...               War Eagle...
Miller...                         Centerton...
Avoca...                          Beaver Lake...

This includes Interstate 49 between mile markers 76 and 93.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3624 9387 3621 9457 3638 9442 3650 9416
      3650 9387 3639 9387 3639 9388 3638 9389
      3637 9387
TIME...MOT...LOC 0425Z 272DEG 31KT 3647 9400 3620 9444 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$
433 
WWUS54 KTSA 060440
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
1040 PM CST Sun Dec 5 2021

ARC007-060450-
/O.EXP.KTSA.SV.W.0192.000000T0000Z-211206T0445Z/
Benton AR-
1040 PM CST Sun Dec 5 2021

...THE SEVERE THUNDERSTORM WARNING FOR BENTON COUNTY WILL EXPIRE AT
1045 PM CST...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty 
winds to 40 mph and small hail are still possible with these 
thunderstorms.

A Severe Thunderstorm Watch remains in effect until 400 AM CST for
northwestern Arkansas.

LAT...LON 3624 9387 3621 9457 3638 9442 3650 9416
      3650 9387 3639 9387 3639 9388 3638 9389
      3637 9387
TIME...MOT...LOC 0440Z 269DEG 44KT 3647 9380 3620 9424 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 5, 9:51 PM CSTSpecial Weather StatementTSABenton24 min
Dec 5, 10:26 PM CSTSpecial Weather StatementTSAWashington34 min
Dec 5, 10:45 PM CSTSpecial Weather StatementTSACarroll45 min
Dec 5, 10:59 PM CSTSpecial Weather StatementTSAMadison, Washington46 min
Dec 5, 11:26 PM CSTSpecial Weather StatementTSACrawford49 min
Dec 5, 11:37 PM CSTSpecial Weather StatementTSAMadison23 min
Dec 5, 11:41 PM CSTSpecial Weather StatementTSACrawford, Franklin34 min
Dec 6, 12:00 AM CSTSpecial Weather StatementTSAFranklin45 min
Dec 6, 12:09 AM CSTSpecial Weather StatementTSAFranklin, Sebastian51 min
Dec 6, 12:36 AM CSTSpecial Weather StatementTSASebastian24 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2021Every severe thunderstorm warning in 2021

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.