Alert archive / Arkansas / Special Weather Statements in 2020

Special Weather Statement, NWS Tulsa, OK

July 2, 2020Madison County, Washington County, Arkansas

NWS Tulsa, OK issued this special weather statement at Jul 2, 2020, 6:48 PM CDT for Madison County, Washington County, Arkansas. 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: Jul 2, 2020, 6:48 PM CDT (23:48 UTC)
Expired: Jul 2, 2020, 7:15 PM CDT
In force: 27 min
Issued by: NWS Tulsa, OK

Counties Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 108 km from the middle of the area, began a volume at 23:47 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 12:00Z, 11.8 hours before the alert went out and 85 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: 3483 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 665 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 2, 6:35 PM CDT, 13 minutes earlier.

Area forecast discussion, Jul 2, 6:35 PM CDT, 13 minutes before

Area Forecast Discussion
National Weather Service Tulsa OK
635 PM CDT Thu Jul 2 2020

.AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Showers and thunderstorms may affect the northwest Arkansas sites
for the first hour or so of the forecast period. VFR conditions
will then prevail for the most part, with isolated showers and
storms again possible just about anywhere during the day Friday.

&&

.PREV DISCUSSION... /Issued 219 PM CDT Thu Jul 2 2020/

DISCUSSION...
Cluster of strong to marginally severe thunderstorms continue to
push south this afternoon across portions of northeast Oklahoma
into higher instability axis. Damaging winds and very heavy
rainfall are the main threats with this activity.

Behind outflow boundary, temperatures have cooled off significantly
and have therefore dropped heat headlines. Heat indices ahead of
boundary remain in the 107 to 110 range. Additional scattered
thunderstorms will be possible across far northeast Oklahoma and
northwest Arkansas as cap continues to weaken. In the short term,
generally followed latest HRRR guidance with convective line
pushing into southeast Oklahoma this afternoon. Only limited
chances for additional thunderstorm development is expected
across northeast Oklahoma this evening given atmosphere has
stabilized.

Storms that are forecast across western Kansas tonight could form
MCV, rotating around periphery of upper ridge on Friday. This
feature, coupled with diurnal heating will likely allow scattered
showers/thunderstorms to develop across southeast Oklahoma and
west-central Arkansas Friday afternoon. Storm chances will likely
continue on Saturday, primarily across aforementioned area as a
moist/unstable air-mass remains in place.

At least low precipitation chances will persist through the early
to middle part of next week as large upper high begins to build
over the four corners region. Temperatures will remain near normal
with a slow warming trend into late week. Again stayed close to
NBM guidance through the extended periods.

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...Heat Advisory until 8 PM CDT this evening for OKZ049-053-063-068-
     069.

     Excessive Heat Warning until 8 PM CDT this evening for OKZ057-
     058-062-067-070>076.

AR...Heat Advisory until 8 PM CDT this evening for ARZ001-002-010-011.

     Excessive Heat Warning until 8 PM CDT this evening for ARZ019-
     020-029.

&&

AVIATION.....05

Hazardous weather outlook, Jul 2, 5:03 PM CDT, 1 hour 45 minutes before

Hazardous Weather Outlook
National Weather Service Tulsa OK
503 PM CDT Thu Jul 2 2020

ARZ001-002-010-011-019-020-029-OKZ049-053>076-031030-
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-
503 PM CDT Thu Jul 2 2020

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

.DAY ONE...Through Tonight.

SEVERE THUNDERSTORM.
	RISK...Limited.
	AREA...Southeast Oklahoma and Northwest Arkansas.
	ONSET...Late afternoon through early evening.

HEAVY RAIN.
	RISK...Limited.
	AREA...Southeast Oklahoma and Northwest Arkansas.
	ONSET...Ongoing.

DANGEROUS HEAT.
	RISK...Elevated.
	AREA...Far Eastern Oklahoma and Northwest Arkansas.
	ONSET...Ongoing.

DISCUSSION...

Showers and thunderstorms, a few strong to marginally severe,
will continue across parts of southeast Oklahoma and northwest
Arkansas into the early evening hours. One or two storms will be
capable of producing wind gusts between 50 and 60 mph, along with
a brief period of very heavy rainfall. This activity should
diminish with the loss of daytime heating this evening.

Outside of thunderstorms, hot and humid conditions will continue
across parts eastern Oklahoma and western Arkansas into the the
evening hours. Heat index values between 105 and 110 degrees will
remain possible into the evening hours across some locations that
are not impacted by thunderstorms.

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

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
FRIDAY...Thunderstorm Potential...Dangerous Heat Potential.
SATURDAY through WEDNESDAY...Thunderstorm Potential.

EXTENDED DISCUSSION...
Thunderstorm chances will continue on Friday as a frontal
boundary continues to affect the region. The showers and
thunderstorms will become more isolated Saturday into Sunday as
the frontal boundary washes out.

The potential for showers and thunderstorms will pick up
slightly Monday into Tuesday as a weak upper level disturbance
moves across the region.

weather.gov/tulsa contains additional information.

In the hours before

Special weather statement, Jul 2, 2:50 PM CDT, 3 hours 58 minutes before

Special Weather Statement
National Weather Service Tulsa OK
250 PM CDT Thu Jul 2 2020

ARZ010-OKZ069-022015-
Washington AR-Adair OK-
250 PM CDT Thu Jul 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL WASHINGTON AND
NORTHEASTERN ADAIR COUNTIES UNTIL 315 PM CDT...

At 250 PM CDT, a strong thunderstorm was located 3 miles southwest of
Watts, moving southeast at 5 mph.

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

Locations in or near the path include...
Westville...                      Watts...
Cincinnati...                     Ballard...

LAT...LON 3615 9456 3610 9455 3610 9446 3605 9436
      3594 9464 3611 9474 3616 9461 3616 9458
TIME...MOT...LOC 1950Z 322DEG 5KT 3609 9462

Special weather statement, Jul 2, 3:15 PM CDT, 3 hours 33 minutes before

Special Weather Statement
National Weather Service Tulsa OK
315 PM CDT Thu Jul 2 2020

OKZ070-071-073-074-022045-
Haskell OK-Pittsburg OK-Muskogee OK-McIntosh OK-
315 PM CDT Thu Jul 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL HASKELL...
MCINTOSH...NORTHERN PITTSBURG AND CENTRAL MUSKOGEE COUNTIES UNTIL 345
PM CDT...

At 315 PM CDT, strong thunderstorms were located along a line
extending from 4 miles northwest of Oktaha to 5 miles south of Dustin
to near Francis. Movement was south at 30 mph.

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

Locations in or near the path include...
Mcalester...                      Eufaula...
Checotah...                       Crowder...
Oktaha...                         Canadian...
Indianola...                      Council Hill...
Hanna...                          Rentiesville...
Ashland...                        Stidham...
Raiford...                        Haywood...
Vivian...                         Arrowhead State Park...
Lake Eufaula State Park...        Scipio...
Wainwright...                     Arpelar...

This includes Interstate 40 in Oklahoma between mile markers 247 and
270.

LAT...LON 3505 9609 3506 9607 3509 9606 3512 9603
      3512 9601 3515 9601 3515 9598 3528 9598
      3573 9554 3530 9533 3482 9591 3473 9609
TIME...MOT...LOC 2015Z 347DEG 27KT 3561 9555 3519 9602 3489 9659

Special weather statement, Jul 2, 3:50 PM CDT, 2 hours 58 minutes before

Special Weather Statement
National Weather Service Tulsa OK
350 PM CDT Thu Jul 2 2020

OKZ073-022115-
Pittsburg OK-
350 PM CDT Thu Jul 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR PITTSBURG COUNTY UNTIL 415 PM
CDT...

At 349 PM CDT, strong thunderstorms were located along a line
extending from 4 miles south of Eufaula to 7 miles north of Mcalester
to 6 miles east of Gerty. Movement was east at 30 mph.

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

Locations in or near the path include...
Mcalester...                      Hartshorne...
Krebs...                          Kiowa...
Savanna...                        Crowder...
Alderson...                       Canadian...
Ashland...                        Haywood...
Blocker...                        Arrowhead State Park...
Mcalester Regional Airport...     Blanco...
Haileyville...                    Pittsburg...
Arpelar...                        Dow...
Bache...                          Featherston...

LAT...LON 3494 9609 3506 9586 3519 9573 3520 9568
      3523 9567 3525 9563 3524 9560 3522 9562
      3523 9559 3518 9545 3516 9545 3516 9541
      3503 9541 3503 9551 3487 9551 3468 9592
      3468 9609
TIME...MOT...LOC 2049Z 291DEG 31KT 3523 9556 3504 9576 3483 9618

Special weather statement, Jul 2, 4:16 PM CDT, 2 hours 32 minutes before

Special Weather Statement
National Weather Service Tulsa OK
416 PM CDT Thu Jul 2 2020

ARZ001-010-022145-
Benton AR-Washington AR-
416 PM CDT Thu Jul 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL BENTON AND EASTERN
WASHINGTON COUNTIES UNTIL 445 PM CDT...

At 415 PM CDT, strong thunderstorms were located along a line
extending from 2 miles east of Rogers to 7 miles southeast of
Springdale. Movement was southeast at 10 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations in or near the path include...
Fayetteville...                   Springdale...
Rogers...                         Bentonville...
Lowell...                         Elkins...
Bethel Heights...                 Goshen...
Wyola...                          Tuttle...
Sulphur City...                   Mayfield...
Arnett...                         Hicks...
Monte Ne...                       Durham...
Sonora...

LAT...LON 3610 9394 3584 9395 3583 9396 3582 9396
      3579 9407 3639 9416 3640 9400 3613 9393
TIME...MOT...LOC 2115Z 335DEG 6KT 3634 9408 3612 9403

Special weather statement, Jul 2, 6:32 PM CDT, 16 minutes before

Special Weather Statement
National Weather Service Tulsa OK
632 PM CDT Thu Jul 2 2020

ARZ011-019-020-029-030000-
Sebastian AR-Madison AR-Franklin AR-Crawford AR-
632 PM CDT Thu Jul 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN MADISON...
FRANKLIN...EASTERN CRAWFORD AND NORTHEASTERN SEBASTIAN COUNTIES UNTIL
700 PM CDT...

At 631 PM CDT, strong thunderstorms were located along a line
extending from 4 miles north of Fern to 5 miles north of Branch to 3
miles northwest of Mount Magazine. Movement was southwest at 25 mph.

Wind gusts of 50 to 55 mph will be possible with these storms.

Locations in or near the path include...
Ozark...                          Charleston...
Mountainburg...                   Lavaca...
Mulberry...                       Dyer...
Altus...                          Branch...
Denning...                        St. Paul...
Wiederkehr Village...             Cass...
Saint Paul...                     Bloomer...
Fern...                           Fort Chaffee...
Caulksville...                    Jethro...
Bidville...                       Combs...

This includes Interstate 40 in Arkansas between mile markers 14 and
42.

LAT...LON 3577 9370 3538 9371 3537 9375 3542 9380
      3531 9381 3532 9392 3523 9392 3523 9402
      3519 9403 3528 9418 3559 9421 3576 9401
      3576 9396 3580 9396 3602 9371 3577 9366
TIME...MOT...LOC 2331Z 065DEG 23KT 3570 9400 3538 9394 3520 9367

Special weather statement, Jul 2, 6:48 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Tulsa OK
648 PM CDT Thu Jul 2 2020

ARZ001-002-010-011-030015-
Carroll AR-Madison AR-Benton AR-Washington AR-
648 PM CDT Thu Jul 2 2020

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN BENTON...NORTHERN
MADISON...SOUTHWESTERN CARROLL AND NORTHERN WASHINGTON COUNTIES UNTIL
715 PM CDT...

At 648 PM CDT, strong thunderstorms were located along a line
extending from 5 miles northwest of Marble to 5 miles northeast of
Fayetteville to Siloam Springs. Movement was south at 30 mph.

Wind gusts up to 50 mph will be possible with these storms.

Locations in or near the path include...
Fayetteville...                   Springdale...
Rogers...                         Siloam Springs...
Berryville...                     Huntsville...
Lowell...                         Farmington...
Prairie Grove...                  Gentry...
Elkins...                         Tontitown...
Bethel Heights...                 West Fork...
Cave Springs...                   Greenland...
West Siloam Springs...            Highfill...
Springtown...                     Hindsville...

This includes Interstate 49 between mile markers 55 and 80.

LAT...LON 3612 9348 3608 9348 3608 9345 3604 9345
      3592 9399 3601 9454 3632 9459 3628 9413
      3640 9360 3613 9342
TIME...MOT...LOC 2348Z 338DEG 28KT 3621 9363 3611 9407 3619 9453

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 2, 10:18 AM CDT	Excessive Heat Warning	TSA	Craig, Creek, Haskell, Latimer, McIntosh, Mayes and 8 more	10 hr
Jul 2, 10:20 AM CDT	Special Weather Statement	TSA	Osage	40 min
Jul 2, 10:47 AM CDT	Special Weather Statement	TSA	Osage	28 min
Jul 2, 11:10 AM CDT	Special Weather Statement	TSA	Osage	35 min
Jul 2, 11:16 AM CDT	Severe Thunderstorm Warning	TSA	Osage	44 min
Jul 2, 11:25 AM CDT	Special Weather Statement	TSA	Osage	35 min
Jul 2, 11:43 AM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	62 min
Jul 2, 11:53 AM CDT	Severe Thunderstorm Warning	TSA	Osage	52 min
Jul 2, 12:16 PM CDT	Special Weather Statement	TSA	Pawnee	59 min
Jul 2, 12:41 PM CDT	Special Weather Statement	TSA	Creek	34 min
Jul 2, 12:58 PM CDT	Special Weather Statement	TSA	Tulsa	47 min
Jul 2, 1:12 PM CDT	Special Weather Statement	TSA	Creek, Okmulgee	33 min
Jul 2, 1:42 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Rogers, Tulsa, Wagoner	48 min
Jul 2, 1:43 PM CDT	Special Weather Statement	TSA	Creek	32 min
Jul 2, 2:12 PM CDT	Special Weather Statement	TSA	Okfuskee	33 min
Jul 2, 2:19 PM CDT	Special Weather Statement	TSA	Okmulgee, Wagoner	26 min
Jul 2, 2:41 PM CDT	Special Weather Statement	TSA	Okfuskee, Okmulgee	34 min
Jul 2, 2:50 PM CDT	Special Weather Statement	TSA	Adair	25 min
Jul 2, 3:15 PM CDT	Special Weather Statement	TSA	McIntosh	30 min
Jul 2, 3:50 PM CDT	Special Weather Statement	TSA	Pittsburg	25 min
Jul 2, 4:16 PM CDT	Special Weather Statement	TSA	Washington	29 min
Jul 2, 6:32 PM CDT	Special Weather Statement	TSA	Franklin	28 min
Jul 2, 6:58 PM CDT	Special Weather Statement	TSA	Sebastian	32 min

Nearby

Special Weather Statements in Arkansas, 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.