Special Weather Statement, NWS Norman, OK

Area Forecast Discussion
National Weather Service Norman OK
1254 PM CDT Tue Aug 19 2025

...New NEAR TERM, SHORT TERM...

.KEY MESSAGES...
Updated at 1253 PM CDT Tue Aug 19 2025

 - Scattered showers/storms this afternoon through the overnight.
   Isolated strong/severe storms could produce strong and damaging
   winds.

 - Not as hot Wednesday, but high humidity keeps heat index values
   high enough for another Heat Advisory in southeast Oklahoma.

 - Less hot and dry for the latter half of the week.

&&

.NEAR TERM...
(Rest of today and tonight)
Issued at 1253 PM CDT Tue Aug 19 2025

Thunderstorms have begun developing across southeastern Oklahoma,
and there has been some persistent cloud development across
portions of northwest Oklahoma which could lead to additional
development this afternoon. As we have seen in recent days, these
thunderstorms will generally be diurnal and coverage not too
widespread, but isolated storms will become strong and
potentially severe with the potential of strong and damaging
winds.

Although these thunderstorms are expected to generally dissipate
this evening, a number of models show redevelopment of showers and
storms before sunrise near and ahead of a cold front that will be
moving through the area overnight.

&&

.SHORT TERM...
(Wednesday through Thursday night)
Issued at 1253 PM CDT Tue Aug 19 2025

The cold front that moves into Oklahoma tonight will continue to
move south and brings a not-as-hot airmass into the area. But high
dewpoints will be slow to clear out behind the front across the
eastern half of Oklahoma, so forecast heat index values will
still be near advisory criteria in southeastern Oklahoma. A Heat
Advisory will again be in place in the southeast Wednesday.

With the front moving south through Oklahoma and into Texas
tomorrow, the primary area of potential shower and thunderstorm
development will shift south Wednesday as well. Some storm
potential may linger into early Wednesday afternoon before ending
over the area.

We finally get more widespread lower dewpoints filtering in
Wednesday night and Thursday and may be sufficient to keep heat
index values below advisory criteria areawide on Thursday.

&&

.LONG TERM...
(Thursday through Monday)
Issued at 1230 AM CDT Tue Aug 19 2025

The late week pattern looks dry and "less hot" (highs in the low to
mid 90s). Synoptically, we will be positioned between a ridge over
the four corners region and trough to our southeast. Rain chances
return this weekend across northern Oklahoma as another front looks
to approach the area and the upper ridge starts to retreat farther.

Day

&&

.AVIATION...
(18Z TAFS)
Issued at 1206 PM CDT Tue Aug 19 2025

VFR ceilings expected again this TAF period. Scattered
showers/storms are expected to develop this afternoon across parts
of OK and north TX. Strong variable winds will be possible with
some of these storms. Showers/storms will remain possible
overnight into Wednesday morning. Winds will generally be light
except with winds coming out of storms. A weak front will also
move south across the area causing winds to shift.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  73  93  71  93 /  30  20  10   0
Hobart OK         71  96  71  97 /  30  30  10   0
Wichita Falls TX  74  95  72  95 /  30  30  10  10
Gage OK           68  94  68  94 /  20  20  10   0
Ponca City OK     71  93  70  92 /  20  10   0   0
Durant OK         75  95  73  94 /  20  30  20  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...Heat Advisory until 8 PM CDT this evening for OKZ006>008-011>013-
     018>020-024>032-038>048-050>052.

     Heat Advisory from noon to 8 PM CDT Wednesday for OKZ032-043-047-
     048-050>052.

TX...Heat Advisory until 8 PM CDT this evening for TXZ086-089-090.

&&

NEAR TERM...26
SHORT TERM...26
LONG TERM....14
AVIATION...25

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Special Weather Statement
National Weather Service Norman OK
158 PM CDT Tue Aug 19 2025

OKZ024-191930-
Canadian OK-
158 PM CDT Tue Aug 19 2025

...A strong thunderstorm will impact portions of southeastern
Canadian County through 230 PM CDT...

At 158 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles northeast of Union City, moving east at 5 mph.

HAZARD...Wind gusts up to 50 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects.

Locations impacted include...
Mustang, Union City and far southwest Oklahoma City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3539 9794 3547 9792 3545 9775 3534 9778
TIME...MOT...LOC 1858Z 279DEG 5KT 3542 9786

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...50 MPH

..speg.

Special Weather Statement
National Weather Service Norman OK
220 PM CDT Tue Aug 19 2025

OKZ038-191945-
Comanche OK-
220 PM CDT Tue Aug 19 2025

...A strong thunderstorm will impact portions of southeastern
Comanche County through 245 PM CDT...

At 220 PM CDT, Doppler radar was tracking a strong thunderstorm 5
miles northeast of Geronimo, or just southeast of Lawton. This storm
was nearly stationary.

HAZARD...Wind gusts up to 50 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Eastern Lawton and southeastern Fort Sill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3456 9825 3449 9834 3456 9844 3466 9834
TIME...MOT...LOC 1920Z 135DEG 1KT 3455 9834

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...50 MPH

..speg.

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