Alert archive / Oklahoma / Special Weather Statements in 2021

Special Weather Statement, NWS Tulsa, OK

July 18, 2021Muskogee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 18, 2021, 2:49 AM CDT for Muskogee County, Oklahoma. It was in force for 26 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: Jul 18, 2021, 2:49 AM CDT (07:49 UTC)
Expired: Jul 18, 2021, 3:15 AM CDT
In force: 26 min
Issued by: NWS Tulsa, OK

County Muskogee County, OK

The radar

The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 07:47 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, 7.8 hours before the alert went out and 183 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 346 J/kg
Mixed-layer CIN: -65 J/kg
Mixed-layer LCL: 826 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -60 m²/s²
0-3 km storm-relative helicity: 44 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

688 
WWUS84 KTSA 180749
SPSTSA

Special Weather Statement
National Weather Service Tulsa OK
249 AM CDT Sun Jul 18 2021
 
OKZ067-068-070-180815-
Muskogee OK-Cherokee OK-Wagoner OK-
249 AM CDT Sun Jul 18 2021

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN WAGONER...WEST
CENTRAL CHEROKEE AND NORTHEASTERN MUSKOGEE COUNTIES UNTIL 315 AM
CDT...

At 249 AM CDT, a strong thunderstorm was located 3 miles southwest of
Okay, moving southeast at 15 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations in or near the path include...
Muskogee...                       Fort Gibson...
Okay...                           Tullahassee...
Sequoyah State Park...            

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3584 9547 3594 9526 3579 9512 3566 9535
TIME...MOT...LOC 0749Z 327DEG 11KT 3581 9536 

$$
Snider

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 17, 7:16 PM CDT	Severe Thunderstorm Warning	TSA	Adair	44 min
Jul 17, 8:05 PM CDT	Special Weather Statement	TSA	Ottawa	25 min
Jul 17, 8:50 PM CDT	Special Weather Statement	TSA	Osage	40 min
Jul 17, 9:01 PM CDT	Special Weather Statement	TSA	Wagoner	59 min
Jul 17, 9:44 PM CDT	Special Weather Statement	TSA	Rogers	61 min
Jul 17, 10:01 PM CDT	Areal Flood Advisory	TSA	Craig, Ottawa	119 min
Jul 17, 10:54 PM CDT	Areal Flood Advisory	TSA	Cherokee, Muskogee, Sequoyah	2 hr
Jul 17, 11:41 PM CDT	Flash Flood Warning Considerable damage threat	TSA	Tulsa	4 hr
Jul 18, 12:04 AM CDT	Flash Flood Warning	TSA	Muskogee	5 hr
Jul 18, 1:43 AM CDT	Areal Flood Advisory	TSA	Cherokee, Muskogee, Wagoner	2 hr
Jul 18, 1:50 AM CDT	Areal Flood Advisory	TSA	Delaware	115 min
Jul 18, 2:11 AM CDT	Flash Flood Warning	TSA	Muskogee	3 hr
Jul 18, 2:23 AM CDT	Areal Flood Advisory	TSA	Tulsa	112 min
Jul 18, 3:04 AM CDT	Flash Flood Warning	TSA	Muskogee, Wagoner	2 hr
Jul 18, 3:15 AM CDT	Special Weather Statement	TSA	Muskogee	30 min
Jul 18, 3:45 AM CDT	Areal Flood Warning	TSA	Tulsa	3 hr
Jul 18, 4:50 AM CDT	Areal Flood Advisory	TSA	Adair, LeFlore, Sequoyah	3 hr
Jul 18, 5:14 AM CDT	Areal Flood Warning	TSA	Cherokee, Muskogee, Wagoner	3 hr
Jul 18, 5:24 AM CDT	Flash Flood Warning	TSA	Sequoyah	3 hr
Jul 18, 5:25 AM CDT	Areal Flood Warning	TSA	Muskogee, Wagoner	50 min
Jul 18, 8:52 AM CDT	River Flood Advisory	TSA	Cherokee	36 hr
Jul 17, 8:39 PM CDT	Special Weather Statement	TSA	Benton	66 min
Jul 18, 1:09 AM CDT	Flash Flood Warning	TSA	Crawford, Franklin, Washington	3 hr
Jul 18, 2:18 AM CDT	Flash Flood Warning	TSA	Franklin	5 hr
Jul 18, 4:11 AM CDT	Special Weather Statement	TSA	Crawford	34 min
Jul 18, 4:56 AM CDT	Special Weather Statement	TSA	Sebastian	34 min
Jul 18, 7:17 AM CDT	Areal Flood Warning	TSA	Franklin	6 hr

Nearby

Special Weather Statements in Oklahoma, 2021 Every 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.