Alert archive / Oklahoma / Special Weather Statements in 2019

Special Weather Statement, NWS Tulsa, OK

October 5, 2019Creek County, Nowata County, Washington County, Oklahoma

NWS Tulsa, OK issued this special weather statement at Oct 5, 2019, 3:49 PM CDT for Creek County, Nowata County, Washington 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: Oct 5, 2019, 3:49 PM CDT (20:49 UTC)
Expired: Oct 5, 2019, 4:30 PM CDT
In force: 41 min
Issued by: NWS Tulsa, OK

Counties Creek County, OK, Nowata County, OK, Washington County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 8.8 hours before the alert went out and 174 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: 579 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 656 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 288 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 5.4

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 Oct 5, 3:32 PM CDT, 17 minutes earlier.

Area forecast discussion, Oct 5, 3:32 PM CDT, 17 minutes before

Area Forecast Discussion
National Weather Service Tulsa OK
332 PM CDT Sat Oct 5 2019

.DISCUSSION...
Surface cold front pushing into northeast Oklahoma this
afternoon, with a line of showers and storms beginning to take
shape along the boundary. The front will continue to push well
into eastern Oklahoma this evening and overnight, with shower and
storm chances continuing along it. Additional elevated showers and
storms will also begin developing to the north of the front as it
slows its forward progress across southeast Oklahoma and west
central Arkansas while at the same time wind fields just off the
surface strengthen. Showers and isolated thunderstorm chances will
continue on Sunday north of the front along with cooler
temperatures. An upper wave moving through the plains later in the
day Sunday will give the front a push south through the rest of
the area, when at that time additional surface based storms along
the front are expected to develop. Surface high pressure will
build in across the region for early to the middle part of next
week. Another boundary is poised to make a run at the forecast
towards the latter part of the work week, and once more will be a
focus for additional shower and thunderstorm chances. Stayed
fairly close to the National Blend of Models temperatures for most
periods of the forecast cycle.

&&

.PRELIMINARY POINT TEMPS/POPS...
TUL   59  66  46  72 /  30  70  20   0
FSM   66  77  53  74 /  20  60  70   0
MLC   65  75  53  73 /  30  60  60   0
BVO   53  64  44  70 /  20  50  10   0
FYV   60  68  47  67 /  20  70  60   0
BYV   57  64  47  68 /  30  70  50   0
MKO   61  70  50  71 /  40  70  50   0
MIO   55  66  43  69 /  40  50  20   0
F10   61  69  49  71 /  40  70  40   0
HHW   68  86  56  74 /  10  70  70  10

&&

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

SHORT TERM...69
LONG TERM....23

Hazardous weather outlook, Oct 5, 12:35 PM CDT, 3 hours 14 minutes before

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In the hours before

Special weather statement, Oct 5, 2:44 PM CDT, 1 hour 5 minutes before

Special Weather Statement
National Weather Service Tulsa OK
244 PM CDT Sat Oct 5 2019

OKZ054-059-052030-
Osage OK-Pawnee OK-
244 PM CDT Sat Oct 5 2019

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL OSAGE AND NORTHWESTERN
PAWNEE COUNTIES UNTIL 330 PM CDT...

At 244 PM CDT, a strong thunderstorm was located over Ralston, moving
east at 25 mph.

Penny size hail and winds in excess of 40 mph will be possible with
this storm.

Locations in or near the path include...
Hominy...                         Fairfax...
Wynona...                         Ralston...
Blackburn...                      Skedee...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3636 9694 3662 9679 3663 9628 3636 9627
TIME...MOT...LOC 1944Z 268DEG 22KT 3649 9673

69

Special weather statement, Oct 5, 3:49 PM CDT, 0 minutes before

Special Weather Statement
National Weather Service Tulsa OK
349 PM CDT Sat Oct 5 2019

OKZ054>057-059>061-064-052130-
Tulsa OK-Craig OK-Osage OK-Rogers OK-Pawnee OK-Nowata OK-
Washington OK-Creek OK-
349 PM CDT Sat Oct 5 2019

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN CRAIG...NORTHWESTERN
ROGERS...SOUTHEASTERN OSAGE...NORTHERN CREEK...WASHINGTON...NOWATA...
SOUTHEASTERN PAWNEE AND NORTHERN TULSA COUNTIES UNTIL 430 PM CDT...

At 348 PM CDT, strong thunderstorms were located along a line
extending from 2 miles northeast of Copan to 7 miles east of Hominy
to near Agra. Movement was east at 25 mph.

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

Locations in or near the path include...
Tulsa...                          Bartlesville...
Sand Springs...                   Bristow...
Nowata...                         Owasso...
Skiatook...                       Collinsville...
Dewey...                          Mannford...
Drumright...                      Barnsdall...
Sperry...                         Oologah...
Oilton...                         South Coffeyville...
Copan...                          Ramona...
Depew...                          Ochelata...

This includes Interstate 44 between mile markers 183 and 201.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

LAT...LON 3640 9573 3580 9642 3581 9662 3615 9662
      3639 9635 3700 9593 3700 9530
TIME...MOT...LOC 2048Z 268DEG 24KT 3692 9589 3639 9626 3590 9684

69

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 5, 2:44 PM CDT	Special Weather Statement	TSA	Osage	46 min
Oct 5, 4:30 PM CDT	Special Weather Statement	TSA	Creek, Tulsa	45 min
Oct 5, 4:51 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Okmulgee, Tulsa	54 min
Oct 5, 5:15 PM CDT	Special Weather Statement	TSA	Tulsa	45 min
Oct 5, 5:41 PM CDT	Severe Thunderstorm Warning	TSA	Okmulgee	38 min

Nearby

Special Weather Statements in Oklahoma, 2019 Every special weather statement in 2019

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.