Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Tulsa, OK

March 22, 2021Pittsburg County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 22, 2021, 9:20 PM CDT for Pittsburg County, Oklahoma. It was in force for 25 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, 9:20 PM CDT (02:20 UTC)
Expired
Mar 22, 2021, 9:45 PM CDT
In force
25 min
Issued by
NWS Tulsa, OK

County Pittsburg County, OK

The radar

The Norman radar (KTLX), 142 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

Fort Worth, TX (KFWD), launched 00:00Z, 2.3 hours before the alert went out and 250 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, Fort Worth, TX 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.LCL10008507005003002001001 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, Fort Worth, TX at 00:00Z on 2021-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 404 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
404 m²/s²
0-3 km storm-relative helicity
672 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

630 
WWUS84 KTSA 230220
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
920 PM CDT Mon Mar 22 2021
 
OKZ073-230245-
Pittsburg OK-
920 PM CDT Mon Mar 22 2021

...SIGNIFICANT WEATHER ADVISORY FOR WESTERN PITTSBURG COUNTY UNTIL
945 PM CDT...

At 920 PM CDT, strong thunderstorms were located along a line
extending from 3 miles southwest of Stuart to 6 miles south of
Wardville. Movement was northeast at 50 mph.

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

Locations in or near the path include...
Mcalester...                      Krebs...
Kiowa...                          Savanna...
Alderson...                       Ashland...
Mcalester Regional Airport...     Haywood...
Scipio...                         Blanco...
Pittsburg...                      Arpelar...

LAT...LON 3460 9588 3468 9589 3468 9609 3500 9609
      3517 9584 3472 9557 3459 9586
TIME...MOT...LOC 0220Z 227DEG 44KT 3487 9615 3456 9598 

$$

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, 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.