Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Tulsa, OK

March 22, 20214 counties in Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 22, 2021, 10:48 PM CDT for 4 counties in Oklahoma. It was in force for 42 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, 10:48 PM CDT (03:48 UTC)
Expired
Mar 22, 2021, 11:30 PM CDT
In force
42 min
Issued by
NWS Tulsa, OK

Counties Cherokee County, OK, Haskell County, OK, Muskogee County, OK, Wagoner County, OK

The radar

The Tulsa radar (KINX), 53 km from the middle of the area, began a volume at 03:46 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, 3.8 hours before the alert went out and 173 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.

593 
WWUS84 KTSA 230348
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
1048 PM CDT Mon Mar 22 2021
 
OKZ062-067-068-070>072-074-230430-
Haskell OK-Muskogee OK-Sequoyah OK-Cherokee OK-Mayes OK-Wagoner OK-
McIntosh OK-
1048 PM CDT Mon Mar 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HASKELL...NORTHEASTERN
MCINTOSH...WESTERN SEQUOYAH...SOUTHERN MAYES...EASTERN WAGONER...
CHEROKEE AND MUSKOGEE COUNTIES UNTIL 1130 PM CDT...

At 1048 PM CDT, strong thunderstorms were located along a line
extending from 7 miles north of Porter to 5 miles south of Muskogee
to 3 miles west of Kinta. Movement was northeast at 40 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations in or near the path include...
Muskogee...                       Tahlequah...
Sallisaw...                       Wagoner...
Stigler...                        Fort Gibson...
Warner...                         Vian...
Locust Grove...                   Salina...
Gore...                           Porum...
Okay...                           Webbers Falls...
Hulbert...                        Porter...
Whitefield...                     Kinta...
Braggs...                         Tamaha...

This includes Interstate 40 in Oklahoma between mile markers 273 and
302.
 
LAT...LON 3633 9510 3598 9494 3533 9484 3506 9531
      3563 9541 3600 9558
TIME...MOT...LOC 0348Z 229DEG 37KT 3597 9550 3567 9537 3510 9529 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 22, 9:18 PM CDTSpecial Weather StatementTSAOkfuskee27 min
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, 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.