Alert archive / Oklahoma / Special Weather Statements in 2020

Special Weather Statement, NWS Tulsa, OK

March 28, 2020Okmulgee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Mar 28, 2020, 6:41 AM CDT for Okmulgee County, Oklahoma. It was in force for 34 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 28, 2020, 6:41 AM CDT (11:41 UTC)
Expired: Mar 28, 2020, 7:15 AM CDT
In force: 34 min
Issued by: NWS Tulsa, OK

County Okmulgee County, OK

The radar

The Tulsa radar (KINX), 88 km from the middle of the area, began a volume at 11:45 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

Norman, OK (KOUN), launched 00:00Z, 11.7 hours before the alert went out and 125 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: 626 J/kg
Mixed-layer CIN: -208 J/kg
Mixed-layer LCL: 947 m above ground
0-6 km bulk shear: 83 kt
0-1 km storm-relative helicity: 48 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this special weather statement went out at Mar 28, 6:22 AM CDT, 19 minutes earlier.

Area forecast discussion, Mar 28, 6:22 AM CDT, 19 minutes before

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Hazardous weather outlook, Mar 28, 4:47 AM CDT, 1 hour 54 minutes before

Hazardous Weather Outlook
National Weather Service Tulsa OK
447 AM CDT Sat Mar 28 2020

ARZ001-002-010-011-019-020-029-OKZ049-053>076-291000-
Adair OK-Benton AR-Carroll AR-Cherokee OK-Choctaw OK-Craig OK-
Crawford AR-Creek OK-Delaware OK-Franklin AR-Haskell OK-Latimer OK-
Le Flore OK-Madison AR-Mayes OK-McIntosh OK-Muskogee OK-Nowata OK-
Okfuskee OK-Okmulgee OK-Osage OK-Ottawa OK-Pawnee OK-Pittsburg OK-
Pushmataha OK-Rogers OK-Sebastian AR-Sequoyah OK-Tulsa OK-Wagoner OK-
Washington OK-Washington AR-
447 AM CDT Sat Mar 28 2020

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Today and Tonight.

SEVERE THUNDERSTORM.
	RISK...Limited.
	AREA...Eastern Oklahoma and northwest Arkansas.
	ONSET...Northeast Oklahoma before sunrise...southeast
    Oklahoma and northwest Arkansas after 7-8 am.

SIGNIFICANT WINDS.
	RISK...Limited.
	AREA...Eastern Oklahoma and northwest Arkansas.
	ONSET...Late morning.

FIRE WEATHER DANGER.
	RISK...Elevated.
	AREA...Northeast Oklahoma.
	ONSET...This afternoon.

DISCUSSION...
Fast moving scattered showers and thunderstorms will shift into
northeast Oklahoma before sunrise this morning, and eventually
into parts of southeast Oklahoma and northwest Arkansas during the
early morning hours. A few of the stronger storms could produce
large hail and strong winds. This activity will shift east of the
region by early afternoon.

Gusty southwest winds will develop behind the dryline, with gusts
over 35 mph possible across parts of northeast Oklahoma. The
strong winds, along with warm temperatures and very low relative
humidity values will result in dangerous fire conditions this
afternoon across much of northeast Oklahoma. A Red Flag Warning
has been issued.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Local Spotter Activation May Be Needed.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
SUNDAY...No Hazards.
MONDAY...Thunderstorm Potential...Heavy Rain Potential.
TUESDAY...Thunderstorm Potential.
WEDNESDAY through Friday...No Hazards.

EXTENDED DISCUSSION...
Shower and thunderstorm chances return to the area by early next
week as the next upper wave moves into the Plains. Some strong
storms and locally heavy rainfall may occur during this period.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, Mar 28, 5:08 AM CDT, 1 hour 33 minutes before

Special Weather Statement
National Weather Service Tulsa OK
508 AM CDT Sat Mar 28 2020

OKZ064>066-281100-
Okmulgee OK-Okfuskee OK-Creek OK-
508 AM CDT Sat Mar 28 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN CREEK...NORTHWESTERN
OKMULGEE AND NORTHWESTERN OKFUSKEE COUNTIES UNTIL 600 AM CDT...

At 508 AM CDT, a strong thunderstorm was located 4 miles southwest of
Prague, moving northeast at 70 mph.

Nickel size hail and wind gusts up to 50 mph will be possible with
this storm.

Locations in or near the path include...
Bristow...                        Beggs...
Boley...                          Depew...
Paden...                          Slick...
Welty...                          Milfay...
Mason...

This includes Interstate 44 between mile markers 178 and 202.

LAT...LON 3577 9662 3603 9641 3580 9591 3544 9652
      3546 9654 3544 9657 3543 9656 3542 9656
      3542 9655 3540 9658 3541 9659 3540 9660
      3540 9662
TIME...MOT...LOC 1008Z 224DEG 62KT 3544 9674

Special weather statement, Mar 28, 5:51 AM CDT, 50 minutes before

Special Weather Statement
National Weather Service Tulsa OK
551 AM CDT Sat Mar 28 2020

OKZ054>057-061-281130-
Craig OK-Osage OK-Rogers OK-Nowata OK-Washington OK-
551 AM CDT Sat Mar 28 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CRAIG...NORTHWESTERN
ROGERS...SOUTHEASTERN OSAGE...WASHINGTON AND NOWATA COUNTIES UNTIL
630 AM CDT...

At 551 AM CDT, strong thunderstorms were located along a line
extending from near Caney to 8 miles north of Walnut Creek State
Park. Movement was northeast at 80 mph.

Penny size hail and wind gusts up to 50 mph will be possible with
these storms.

Locations in or near the path include...
Bartlesville...                   Nowata...
Dewey...                          Barnsdall...
South Coffeyville...              Copan...
Ramona...                         Ochelata...
Delaware...                       Avant...
Lenapah...                        Talala...
Wann...                           New Alluwe...
Bartlesville Municipal Airport... Watova...
Hollow...                         Centrailia...
Centralia...                      Wolco...

LAT...LON 3661 9538 3642 9600 3632 9630 3700 9597
      3700 9522
TIME...MOT...LOC 1051Z 228DEG 72KT 3700 9595 3637 9625

Special weather statement, Mar 28, 6:16 AM CDT, 25 minutes before

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Special weather statement, Mar 28, 6:33 AM CDT, 8 minutes before

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Special weather statement, Mar 28, 6:35 AM CDT, 6 minutes before

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Special weather statement, Mar 28, 6:41 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 4:01 AM CDT	Red Flag Warning	TSA	Craig, Creek, Delaware, Mayes, Nowata, Ottawa and 5 more	11 hr
Mar 28, 4:54 AM CDT	Special Weather Statement	TSA	Osage, Pawnee	51 min
Mar 28, 5:08 AM CDT	Special Weather Statement	TSA	Creek	52 min
Mar 28, 5:38 AM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee, Tulsa	52 min
Mar 28, 5:51 AM CDT	Special Weather Statement	TSA	Nowata, Washington	39 min
Mar 28, 6:13 AM CDT	Severe Thunderstorm Warning	TSA	Nowata, Osage, Rogers, Tulsa, Washington	17 min
Mar 28, 6:16 AM CDT	Special Weather Statement	TSA	Okfuskee	44 min
Mar 28, 6:33 AM CDT	Special Weather Statement	TSA	Craig, Nowata, Ottawa	57 min
Mar 28, 6:35 AM CDT	Special Weather Statement	TSA	Okmulgee	25 min
Mar 28, 7:09 AM CDT	Special Weather Statement	TSA	Okmulgee	36 min
Mar 28, 7:17 AM CDT	Special Weather Statement	TSA	McIntosh	28 min
Mar 28, 7:28 AM CDT	Special Weather Statement	TSA	Pushmataha	32 min
Mar 28, 9:11 AM CDT	Special Weather Statement	TSA	Cherokee	34 min
Mar 28, 3:08 PM CDT	Wind Advisory	TSA	Craig, Nowata, Ottawa, Pawnee, Washington	5 hr
Mar 28, 8:33 AM CDT	Special Weather Statement	TSA	Carroll	27 min
Mar 28, 8:46 AM CDT	Special Weather Statement	TSA	Benton, Carroll, Washington	44 min
Mar 28, 9:09 AM CDT	Special Weather Statement	TSA	Franklin	21 min

Nearby

Special Weather Statements in Oklahoma, 2020 Every special weather statement in 2020

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.