Alert archive / Arkansas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 157, NWS Tulsa, OK

October 2, 2021Crawford County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Oct 2, 2021, 1:19 PM CDT for Crawford County, Arkansas. It was in force for 41 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
Oct 2, 2021, 1:19 PM CDT (18:19 UTC)
Expired
Oct 2, 2021, 2:00 PM CDT
In force
41 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

County Crawford County, AR

The radar

The Western Arkansas radar (KSRX), 29 km from the middle of the area, began a volume at 18:21 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 6.3 hours before the alert went out and 157 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 12:00Z on 2021-10-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 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 12:00Z on 2021-10-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
190 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
551 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

339 
WUUS54 KTSA 021819
SVRTSA
ARC033-021900-
/O.NEW.KTSA.SV.W.0157.211002T1819Z-211002T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tulsa OK
119 PM CDT Sat Oct 2 2021

The National Weather Service in Tulsa has issued a

* Severe Thunderstorm Warning for...
  Central Crawford County in northwestern Arkansas...

* Until 200 PM CDT.

* At 118 PM CDT, a severe thunderstorm was located near Figure Five,
  moving east at 20 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...
  Van Buren...                      Cedarville...
  Mountainburg...                   Alma...
  Mulberry...                       Dyer...
  Rudy...                           Lake Fort Smith...
  Figure Five...                    Concord...
  Shibley...                        Uniontown...
  Locke...                          Dora...
  Furry...                          

This includes the following highways,
 Interstate 40 in Arkansas between mile markers 0 and 21.
 Interstate 540 near mile marker 1.
 Interstate 49 between mile markers 22 and 33.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3545 9408 3545 9444 3562 9447 3568 9407
TIME...MOT...LOC 1818Z 266DEG 19KT 3552 9440 

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

$$

69
2 follow-up statements
711 
WWUS54 KTSA 021837
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
137 PM CDT Sat Oct 2 2021

ARC033-021900-
/O.CON.KTSA.SV.W.0157.000000T0000Z-211002T1900Z/
Crawford AR-
137 PM CDT Sat Oct 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR CENTRAL CRAWFORD COUNTY...

At 137 PM CDT, a severe thunderstorm was located over Rudy, moving
east at 20 mph.

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

SOURCE...Radar indicated.

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

Locations in or near the path include...
Van Buren...                      Cedarville...
Mountainburg...                   Alma...
Mulberry...                       Dyer...
Rudy...                           Lake Fort Smith...
Figure Five...                    Concord...
Shibley...                        Locke...
Furry...                          

This includes the following highways,
 Interstate 40 in Arkansas between mile markers 4 and 21.
 Interstate 540 near mile marker 1.
 Interstate 49 between mile markers 22 and 33.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3545 9408 3545 9436 3563 9440 3568 9407
TIME...MOT...LOC 1837Z 268DEG 18KT 3552 9429 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

69
380 
WWUS54 KTSA 021901
SVSTSA

Severe Weather Statement
National Weather Service Tulsa OK
201 PM CDT Sat Oct 2 2021

ARC033-021910-
/O.EXP.KTSA.SV.W.0157.000000T0000Z-211002T1900Z/
Crawford AR-
201 PM CDT Sat Oct 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CRAWFORD COUNTY HAS
EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.  However gusty
winds to 50 mph are still possible with this thunderstorm.

LAT...LON 3545 9408 3545 9436 3563 9440 3568 9407
TIME...MOT...LOC 1900Z 266DEG 19KT 3553 9415 

$$

69

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 2, 11:41 AM CDTSpecial Weather StatementTSABenton64 min
Oct 2, 1:10 PM CDTSpecial Weather StatementTSACrawford65 min
Oct 2, 2:03 PM CDTSpecial Weather StatementTSAFranklin57 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.