Alert archive / Oklahoma / Special Weather Statements in 2018

Special Weather Statement, NWS Tulsa, OK

July 5, 2018Okfuskee County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Jul 5, 2018, 11:34 PM CDT for Okfuskee County, Oklahoma. It was in force for 41 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 5, 2018, 11:34 PM CDT (04:34 UTC)
Expired: Jul 6, 2018, 12:15 AM CDT
In force: 41 min
Issued by: NWS Tulsa, OK

County Okfuskee County, OK

The radar

The Norman radar (KTLX), 86 km from the middle of the area, began a volume at 04:37 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, 4.6 hours before the alert went out and 284 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: 1515 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1709 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -7 m²/s²
0-3 km storm-relative helicity: 79 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 5, 9:12 PM CDT, 2 hours 22 minutes earlier.

Area forecast discussion, Jul 5, 9:12 PM CDT, 2 hours 22 minutes before

Area Forecast Discussion
National Weather Service Tulsa OK
912 PM CDT Thu Jul 5 2018

.UPDATE...

Main update this evening has been to adjust PoPs based on the
latest radar trends. See discussion below.

&&

.DISCUSSION...

Storms have been slow to dissipate this evening, though overall
trend has been down in coverage and intensity. Updated evening
PoPs to keep the higher coverage across NW AR into parts of far E
OK. Activity should be done by midnight. Updated text products
sent.

Lacy

&&

.PREV DISCUSSION... /Issued 629 PM CDT Thu Jul 5 2018/

AVIATION...
CONCERNING TAF SITES KTUL/KRVS/KBVO/KMLC/KXNA/KFYV/KFSM/KROG.
Isolated thunderstorms may affect the northwest Arkansas TAF
sites over the next couple of hours before the activity diminishes
for the evening. Otherwise, VFR conditions are expected to prevail.

PREV DISCUSSION... /Issued 228 PM CDT Thu Jul 5 2018/

DISCUSSION...
Scattered showers/thunderstorms continue this afternoon across
SE OK and west-central Arkansas in association with westward
moving upper wave in combination with moist/unstable air-mass.
Gusty winds in the 40 to 50 mph range will be possible in the
stronger cells. Thunderstorm activity will likely begin to
dissipate by early evening with loss of surface heating. Otherwise,
hot and humid conditions will continue for the remainder of the
afternoon with heat indices in the 100-105 degree range.

Hot/humid weather will persist on Friday ahead of frontal boundary,
which will move through during the day. Scattered showers and
thunderstorms will again be possible, especially across southeast
Oklahoma in the deeper moisture. Finally some relief from the
heat and humidity expected for the weekend with drier air moving
into the region behind the front Saturday into Sunday.

Upper high begins to build back over the central plains into the
early part of the work week. Precipitation chances will begin to
return, especially across southeast Oklahoma, as a series of weak
upper waves move westward around southerly periphery of upper
ridge. High temperatures will remain around normal for the remainder
of the extended periods.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   76  94  71  92 /  10  20  10  10
FSM   76  93  73  92 /  20  30  20  10
MLC   73  94  72  90 /  10  30  20  10
BVO   72  92  66  90 /  10  20  10   0
FYV   71  90  62  86 /  30  30  10  10
BYV   72  92  64  86 /  30  30  10  10
MKO   75  93  72  91 /  20  30  10  10
MIO   74  93  66  89 /  10  20  10   0
F10   74  94  72  89 /  10  30  10  10
HHW   75  95  73  92 /  10  30  20  20

&&

.TSA WATCHES/WARNINGS/ADVISORIES...
OK...None.
AR...None.
&&

LONG TERM....30

Hazardous weather outlook, Jul 5, 9:30 PM CDT, 2 hours 4 minutes before

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In the hours before

Special weather statement, Jul 5, 9:14 PM CDT, 2 hours 20 minutes before

Special Weather Statement
National Weather Service Tulsa OK
914 PM CDT THU JUL 5 2018

OKZ068-060245-
Cherokee OK-
914 PM CDT THU JUL 5 2018

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CHEROKEE COUNTY
UNTIL 945 PM CDT...

At 914 PM CDT, a strong thunderstorm was located near Hulbert, moving
southwest at 15 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations in or near the path include...
Tahlequah...                      Fort Gibson...
Hulbert...                        Sequoyah State Park...
Lost City...

LAT...LON 3589 9496 3582 9512 3581 9513 3581 9526
      3582 9527 3586 9523 3587 9523 3588 9525
      3590 9528 3592 9528 3593 9527 3597 9528
      3599 9523 3602 9523 3606 9505
TIME...MOT...LOC 0214Z 067DEG 13KT 3595 9510

Lacy

Special weather statement, Jul 5, 9:17 PM CDT, 2 hours 17 minutes before

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Special weather statement, Jul 5, 9:34 PM CDT, 2 hours before

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Special weather statement, Jul 5, 10:07 PM CDT, 1 hour 27 minutes before

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Special weather statement, Jul 5, 11:06 PM CDT, 28 minutes before

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Special weather statement, Jul 5, 11:34 PM 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
Jul 5, 7:04 PM CDT	Special Weather Statement	TSA	Adair	26 min
Jul 5, 7:33 PM CDT	Special Weather Statement	TSA	Cherokee	27 min
Jul 5, 8:14 PM CDT	Special Weather Statement	TSA	Delaware	31 min
Jul 5, 9:14 PM CDT	Special Weather Statement	TSA	Cherokee	31 min
Jul 5, 11:06 PM CDT	Special Weather Statement	TSA	Okmulgee	24 min
Jul 6, 1:24 AM CDT	Special Weather Statement	TSA	Latimer, Pittsburg	51 min
Jul 6, 12:11 PM CDT	Special Weather Statement	TSA	Delaware	34 min
Jul 6, 12:48 PM CDT	Special Weather Statement	TSA	Nowata	27 min
Jul 6, 1:12 PM CDT	Special Weather Statement	TSA	Nowata	33 min
Jul 6, 1:15 PM CDT	Special Weather Statement	TSA	Delaware	30 min
Jul 6, 1:25 PM CDT	Special Weather Statement	TSA	Mayes	35 min
Jul 6, 1:34 PM CDT	Severe Thunderstorm Warning	TSA	Nowata, Washington	41 min
Jul 6, 1:35 PM CDT	Special Weather Statement	TSA	Adair	25 min
Jul 6, 1:49 PM CDT	Special Weather Statement	TSA	Craig	26 min
Jul 6, 1:51 PM CDT	Special Weather Statement	TSA	Washington	24 min
Jul 6, 1:53 PM CDT	Special Weather Statement	TSA	Delaware	37 min
Jul 6, 1:56 PM CDT	Special Weather Statement	TSA	Washington	34 min
Jul 6, 2:10 PM CDT	Special Weather Statement	TSA	Adair, Cherokee	50 min
Jul 6, 2:15 PM CDT	Special Weather Statement	TSA	Osage, Washington	60 min
Jul 6, 2:35 PM CDT	Special Weather Statement	TSA	Wagoner	25 min
Jul 6, 2:39 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Mayes, Wagoner	37 min
Jul 6, 2:48 PM CDT	Special Weather Statement	TSA	Tulsa	27 min
Jul 6, 2:56 PM CDT	Special Weather Statement	TSA	Wagoner	34 min
Jul 6, 3:11 PM CDT	Special Weather Statement	TSA	Tulsa, Wagoner	49 min
Jul 6, 3:14 PM CDT	Severe Thunderstorm Warning	TSA	Rogers, Tulsa, Wagoner	46 min
Jul 6, 3:23 PM CDT	Severe Thunderstorm Warning	TSA	Muskogee, Tulsa, Wagoner	36 min
Jul 6, 3:53 PM CDT	Special Weather Statement	TSA	McIntosh	37 min
Jul 6, 3:58 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Pittsburg	27 min
Jul 6, 4:07 PM CDT	Special Weather Statement	TSA	Creek, Okmulgee	53 min
Jul 6, 4:13 PM CDT	Special Weather Statement	TSA	Choctaw, Pushmataha	62 min
Jul 6, 4:26 PM CDT	Special Weather Statement	TSA	Pittsburg	34 min
Jul 6, 4:30 PM CDT	Special Weather Statement	TSA	Haskell	30 min
Jul 6, 4:38 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, LeFlore, Sequoyah	40 min
Jul 6, 4:44 PM CDT	Special Weather Statement	TSA	Choctaw	16 min
Jul 6, 5:17 PM CDT	Special Weather Statement	TSA	Okfuskee	13 min
Jul 6, 5:20 PM CDT	Special Weather Statement	TSA	Latimer	25 min
Jul 5, 9:17 PM CDT	Special Weather Statement	TSA	Carroll	28 min
Jul 5, 9:34 PM CDT	Special Weather Statement	TSA	Benton	26 min
Jul 5, 10:07 PM CDT	Special Weather Statement	TSA	Carroll	53 min
Jul 6, 1:14 PM CDT	Special Weather Statement	TSA	Benton	31 min
Jul 6, 1:20 PM CDT	Severe Thunderstorm Warning	TSA	Benton	40 min
Jul 6, 3:37 PM CDT	Special Weather Statement	TSA	Crawford, Franklin, Sebastian	38 min
Jul 6, 4:10 PM CDT	Special Weather Statement	TSA	Sebastian	65 min
Jul 6, 5:58 PM CDT	Special Weather Statement	TSA	Madison	32 min

Nearby

Special Weather Statements in Oklahoma, 2018 Every special weather statement in 2018

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.