Alert archive / Arkansas / Special Weather Statements in 2021

Special Weather Statement, NWS Tulsa, OK

October 15, 2021Crawford County, Franklin County, Madison County, Arkansas

NWS Tulsa, OK issued this special weather statement at Oct 15, 2021, 5:21 AM CDT for Crawford County, Franklin County, Madison County, Arkansas. It was in force for 39 min. 2 reports 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
Oct 15, 2021, 5:21 AM CDT (10:21 UTC)
Expired
Oct 15, 2021, 6:00 AM CDT
In force
39 min
Issued by
NWS Tulsa, OK
Hail
0.00 in
Wind
40

Counties Crawford County, AR, Franklin County, AR, Madison County, AR

The radar

The Western Arkansas radar (KSRX), 60 km from the middle of the area, began a volume at 10:20 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

TimeReportWhereRemark
Oct 15, 5:23 AM CDTTORNADO6 Ene Winslow, AREF1 - MOBILE HOME DESTROYED, TREES SNAPPED AND UPROOTED.
Oct 15, 5:39 AM CDTTSTM WND DMG3 S Brashears, ARDOWNED TREES ACROSS HIGHWAY 23 PARTIALLY BLOCKING THE ROAD BETWEEN E FLY GAP RD. AND THE MADISON COUNTY LINE. AVERAGE DIAMETER WAS AROUND 10 INCHES. TIME ESTIMATED FROM RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 10.4 hours before the alert went out and 138 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 2021-10-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 130 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 2021-10-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939587897Sfc1 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
130 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
513 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

132 
WWUS84 KTSA 151021
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
521 AM CDT Fri Oct 15 2021
 
ARZ001-002-010-011-019-020-029-OKZ072-151100-
Sebastian AR-Carroll AR-Madison AR-Benton AR-Washington AR-
Franklin AR-Crawford AR-Sequoyah OK-
521 AM CDT Fri Oct 15 2021

...Strong thunderstorms will impact portions of east central Benton,
Madison, Franklin, Crawford, southeastern Carroll, northern
Sebastian, eastern Washington and southeastern Sequoyah Counties
through 600 AM CDT...

At 520 AM CDT, Doppler radar indicated strong thunderstorms along a
line extending from near Springdale to 8 miles east of Winslow to 2
miles south of Muldrow. Movement was east at 55 mph.

HAZARD...Winds in excess of 40 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations in or near the path include...
Fort Smith...                     Fayetteville...
Springdale...                     Van Buren...
Ozark...                          Charleston...
Huntsville...                     Cedarville...
Mountainburg...                   Lowell...
Alma...                           Barling...
Muldrow...                        Roland...
Elkins...                         Bethel Heights...
Lavaca...                         Arkoma...
Mulberry...                       Dyer...

This includes the following highways,
 Interstate 40 in Arkansas between mile markers 0 and 42.
 Interstate 40 in Oklahoma between mile markers 318 and 328.
 Interstate 540 between mile markers 1 and 13.
 Interstate 49 between mile markers 22 and 34, and between mile
markers 76 and 77.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

&&

LAT...LON 3612 9348 3597 9345 3588 9352 3576 9352
      3577 9370 3537 9372 3537 9375 3542 9380
      3531 9381 3532 9392 3527 9392 3530 9444
      3538 9443 3537 9449 3530 9449 3534 9471
      3576 9405 3625 9418 3630 9330 3612 9330
TIME...MOT...LOC 1020Z 270DEG 49KT 3619 9410 3577 9399 3537 9462 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 14, 10:27 PM CDTDense Fog AdvisoryTSAAdair, Cherokee, Delaware5 hr
Oct 15, 1:41 AM CDTSevere Thunderstorm WarningTSACreek, Okfuskee49 min
Oct 15, 1:44 AM CDTSpecial Weather StatementTSACreek, Tulsa46 min
Oct 15, 2:26 AM CDTSevere Thunderstorm WarningTSAOkfuskee, Okmulgee49 min
Oct 15, 2:29 AM CDTSpecial Weather StatementTSARogers, Tulsa46 min
Oct 15, 2:37 AM CDTAreal Flood AdvisoryTSACreek, Osage, Tulsa3 hr
Oct 15, 2:51 AM CDTSevere Thunderstorm WarningTSAMcIntosh, Muskogee, Okmulgee39 min
Oct 15, 3:13 AM CDTSpecial Weather StatementTSAMayes, Rogers, Wagoner47 min
Oct 15, 3:29 AM CDTSevere Thunderstorm WarningTSACherokee, McIntosh, Muskogee, Wagoner46 min
Oct 15, 3:32 AM CDTAreal Flood AdvisoryTSAMuskogee, Okmulgee, Tulsa, Wagoner118 min
Oct 15, 3:53 AM CDTSevere Thunderstorm WarningTSAAdair, Cherokee, Muskogee, Sequoyah52 min
Oct 15, 4:02 AM CDTSpecial Weather StatementTSADelaware43 min
Oct 15, 4:35 AM CDTSpecial Weather StatementTSAAdair, Sequoyah55 min
Oct 15, 7:51 AM CDTAreal Flood AdvisoryTSAHaskell, LeFlore, Muskogee, Sequoyah2 hr
Oct 15, 5:32 AM CDTTornado WarningTSAMadison26 min
Oct 15, 6:02 AM CDTSpecial Weather StatementTSACarroll28 min

Nearby

Special Weather Statements in Arkansas, 2021Every special weather statement 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.