Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Tulsa, OK

March 22, 2021Okfuskee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 22, 2021, 9:18 PM CDT for Okfuskee County, Oklahoma. It was in force for 27 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 22, 2021, 9:18 PM CDT (02:18 UTC)
Expired
Mar 22, 2021, 9:45 PM CDT
In force
27 min
Issued by
NWS Tulsa, OK

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 90 km from the middle of the area, began a volume at 02:20 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 2.3 hours before the alert went out and 272 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 2021-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 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 2021-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1539 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

406 
WWUS84 KTSA 230218
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
918 PM CDT Mon Mar 22 2021
 
OKZ064>066-071-230245-
Okmulgee OK-Okfuskee OK-Creek OK-McIntosh OK-
918 PM CDT Mon Mar 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CREEK...WEST CENTRAL
MCINTOSH...WESTERN OKMULGEE AND OKFUSKEE COUNTIES UNTIL 945 PM CDT...

At 917 PM CDT, strong thunderstorms were located along a line
extending from 6 miles west of Welty to near Wetumka. Movement was
northeast at 55 mph.

Pea size hail and winds in excess of 40 mph will be possible with 
these storms.

Locations in or near the path include...
Bristow...                        Okemah...
Okfuskee...                       Henryetta...
Beggs...                          Boley...
Kellyville...                     Weleetka...
Dewar...                          Schulter...
Bearden...                        Slick...
Castle...                         Clearview...
Okmulgee State Park...            Welty...
Pharoah...                        Bryant...
Mason...                          

This includes the following highways,
 Interstate 40 in Oklahoma between mile markers 212 and 244.
 Interstate 44 between mile markers 192 and 203.

LAT...LON 3599 9624 3538 9583 3529 9598 3529 9639
      3537 9644 3546 9644 3546 9647 3544 9649
      3563 9662
TIME...MOT...LOC 0217Z 220DEG 48KT 3562 9652 3522 9626 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 9:20 PM CDTSpecial Weather StatementTSAPittsburg25 min
Mar 22, 10:01 PM CDTSpecial Weather StatementTSATulsa29 min
Mar 22, 10:35 PM CDTSpecial Weather StatementTSAPushmataha55 min
Mar 22, 10:48 PM CDTSpecial Weather StatementTSACherokee, Haskell, Muskogee, Wagoner42 min
Mar 22, 11:19 PM CDTSpecial Weather StatementTSACraig, Nowata, Rogers26 min
Mar 22, 11:30 PM CDTSpecial Weather StatementTSAAdair, Cherokee, Delaware, Mayes, Sequoyah60 min
Mar 23, 3:05 AM CDTSpecial Weather StatementTSAOsage, Pawnee55 min
Mar 23, 3:23 AM CDTSpecial Weather StatementTSACreek52 min

Nearby

Special Weather Statements in Oklahoma, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.