Alert archive / Oklahoma / Wind Advisories in 2019

Wind Advisory 16, NWS Norman, OK

May 21, 201919 counties in Oklahoma; 7 counties in Texas

NWS Norman, OK issued this wind advisory at May 21, 2019, 10:43 AM CDT for 19 counties in Oklahoma; 7 counties in Texas. It took effect at May 21, 2019, 12:00 PM CDT. It was in force for 7 hr.

The area

The counties it named.

The facts

Issued: May 21, 2019, 10:43 AM CDT (15:43 UTC)
In effect from: May 21, 2019, 12:00 PM CDT
Expired: May 21, 2019, 7:00 PM CDT
In force: 7 hr
Issued by: NWS Norman, OK

All 26 counties

Beckham County, OK, Blaine County, OK, Caddo County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 77 km from the middle of the area, began a volume at 15:45 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 12:00Z, 3.7 hours before the alert went out and 161 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 742 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: -157 m²/s²
0-3 km storm-relative helicity: -324 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Norman, OK wrote its last area forecast discussion before this wind advisory went out at May 21, 6:29 AM CDT, 4 hours 14 minutes earlier.

Area forecast discussion, May 21, 6:29 AM CDT, 4 hours 14 minutes before

Area Forecast Discussion
National Weather Service Norman OK
629 AM CDT Tue May 21 2019

.DISCUSSION...
The 12Z aviation discussion follows....

&&

.AVIATION...
A large area of rain and thunderstorms (a few of which have been
producing short-lived small tornadoes) will affect about the
eastern half of Oklahoma this morning, then move into far eastern
Oklahoma and Arkansas this afternoon. Additional scattered storms,
some of which may be severe, are expected in far northern Oklahoma
through this afternoon. Severe storms are unlikely at the TAF
sites, but some thunder will be possible for a few more hours at
KPNC, KOKC, and KOUN. Strong southwest winds are expected to
spread across Oklahoma and north Texas later this morning as the
surface low moves off to the northeast. This should clear out any
remaining low clouds or precipitation. Winds will diminish slowly
this evening and overnight.

CmS
&&

.PREV DISCUSSION... /issued 319 AM CDT Tue May 21 2019/

DISCUSSION...
A convective system associated with a strong upper-level wave and
its related surface cyclone is working its way slowly to the east
across our forecast area early this morning. It currently covers
about the western 2/3 of our area, and should begin to increase
its eastward speed over the next several hours, finally exiting
our area sometime this morning or early this afternoon. A few
showers and thunderstorms will also be possible through the
afternoon in northwest Oklahoma, closer to the wave aloft. Any of
these storms could be severe, as vertical shear remains
impressive.

Heavy rainfall across the region has left the ground extremely
wet, and flooding is already a problem in many areas. Rain chances
continue through nearly all the forecast area this morning. As a
result, the existing Flood Watch will be retained for this
forecast issuance.

Starting tonight, and lasting through Wednesday morning, we get
a short (18 hour) break from thunderstorm chances. Storms should
start to increase again Wednesday afternoon across our central
and southeast counties, then shift northwest as warm and moist air
returns from the southeast. By the end of the day, a warm front
should be near, or north of, the Kansas border, setting the stage
for Thursday.

Another wave aloft, not quite as strong as today's, will arrive in
the area Thursday. With the warm, humid air established across our
forecast area, severe storms will be a significant possibility
again, mainly over northwest Oklahoma.

Despite the departure of that wave, the lingering moisture and
occasional weak disturbances aloft will help maintain at least
slight chances for thunderstorms into early next week.

CmS

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  75  57  83  69 /  30   0  20  40
Hobart OK         76  54  84  68 /  10   0  20  30
Wichita Falls TX  78  58  87  71 /  10   0  30  30
Gage OK           71  47  82  64 /  40   0  10  30
Ponca City OK     75  54  82  70 /  70   0  20  40
Durant OK         79  60  86  71 /  80   0  20  10

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...Flood Watch until 1 PM CDT this afternoon for OKZ004>048-050>052.

TX...Flood Watch until 1 PM CDT this afternoon for TXZ083>090.

&&

50/23/23

Hazardous weather outlook, May 21, 9:13 AM CDT, 1 hour 30 minutes before

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In the hours before

Local storm report, May 21, 6:17 AM CDT, 4 hours 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
617 AM CDT TUE MAY 21 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0614 AM     TORNADO          4 NW CRESCENT           35.99N 97.64W
05/20/2019                   LOGAN              OK   BROADCAST MEDIA

            LIVE MEDIA COVERAGE OF A TORNADO ESTIMATED
            TO BE 4 MILES NORTHWEST OF CRESCENT.

&&

Local storm report, May 21, 6:54 AM CDT, 3 hours 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NORMAN OK
654 AM CDT TUE MAY 21 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 AM     TORNADO          LAKE TEXOMA             33.87N 96.70W
05/21/2019                   MARSHALL           OK   AMATEUR RADIO

            OVER LAKE TEXOMA

&&

OUN

Local storm report, May 21, 8:57 AM CDT, 1 hour 46 minutes before

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Local storm report, May 21, 9:13 AM CDT, 1 hour 30 minutes before

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Local storm report, May 21, 9:20 AM CDT, 1 hour 23 minutes before

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Local storm report, May 21, 10:41 AM CDT, 2 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 20, 7:04 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Harmon	41 min
May 20, 7:07 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo, Canadian	38 min
May 20, 7:15 PM CDT	Flash Flood Warning	OUN	Custer, Kiowa, Washita	3 hr
May 20, 7:19 PM CDT	Severe Thunderstorm Warning	OUN	Noble, Payne	26 min
May 20, 7:23 PM CDT	Areal Flood Advisory	OUN	Blaine, Caddo, Canadian, Custer, Kingfisher, Logan and 1 more	3 hr
May 20, 7:35 PM CDT	Special Weather Statement	OUN	Canadian	25 min
May 20, 7:40 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	50 min
May 20, 7:44 PM CDT	Areal Flood Warning	OUN	Alfalfa, Blaine, Custer, Dewey, Garfield, Grant and 2 more	6 hr
May 20, 7:45 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	45 min
May 20, 7:53 PM CDT	Flash Flood Warning	OUN	Blaine, Caddo, Canadian, Custer, Grady, Kingfisher and 1 more	3 hr
May 20, 7:54 PM CDT	Severe Thunderstorm Warning	OUN	Payne	21 min
May 20, 8:02 PM CDT	Severe Thunderstorm Warning	OUN	Payne	28 min
May 20, 8:10 PM CDT	Special Weather Statement	OUN	Logan	35 min
May 20, 8:11 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	38 min
May 20, 8:18 PM CDT	Special Weather Statement	OUN	Oklahoma	27 min
May 20, 8:24 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	51 min
May 20, 8:31 PM CDT	Areal Flood Advisory	OUN	Canadian, Lincoln, Logan, Oklahoma, Payne	4 hr
May 20, 8:48 PM CDT	Areal Flood Warning	OUN	Garfield, Grant, Kay, Noble	5 hr
May 20, 8:48 PM CDT	Severe Thunderstorm Warning	OUN	Payne	27 min
May 20, 8:54 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Payne	40 min
May 20, 9:02 PM CDT	Flash Flood Warning	OUN	Canadian, Lincoln, Logan, Oklahoma, Payne	4 hr
May 20, 9:12 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	48 min
May 20, 9:43 PM CDT	Special Weather Statement	OUN	Caddo, Canadian, Comanche	32 min
May 20, 9:48 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady, Kingfisher	42 min
May 20, 9:54 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	51 min
May 20, 10:06 PM CDT	Flash Flood Warning	OUN	Garfield, Logan, Noble, Payne	114 min
May 20, 10:14 PM CDT	Areal Flood Warning	OUN	Custer, Kiowa, Washita	9 hr
May 20, 10:22 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Tillman	38 min
May 20, 10:34 PM CDT	Special Weather Statement	OUN	Canadian	26 min
May 20, 10:45 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Grady	45 min
May 20, 10:53 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Cotton, Garvin, Grady, McClain and 1 more	52 min
May 20, 10:58 PM CDT	Flash Flood Warning	OUN	Canadian	10 hr
May 20, 10:59 PM CDT	Special Weather Statement	OUN	Greer	31 min
May 20, 11:18 PM CDT	Areal Flood Advisory	OUN	Cleveland, Oklahoma	3 hr
May 20, 11:26 PM CDT	Severe Thunderstorm Warning	OUN	Tillman	49 min
May 20, 11:29 PM CDT	Special Weather Statement	OUN	Cleveland, McClain, Oklahoma	31 min
May 20, 11:30 PM CDT	Flash Flood Warning	OUN	Cleveland, Oklahoma	4 hr
May 20, 11:41 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Grady, McClain, Oklahoma, Pottawatomie	37 min
May 21, 12:07 AM CDT	Areal Flood Warning	OUN	Garfield, Logan, Noble, Payne	9 hr
May 21, 1:00 AM CDT	Flash Flood Warning	OUN	Canadian, Lincoln, Logan, Oklahoma, Payne	4 hr
May 21, 1:03 AM CDT	Severe Thunderstorm Warning	OUN	Tillman	42 min
May 21, 1:22 AM CDT	Flash Flood Warning	OUN	Caddo	4 hr
May 21, 1:43 AM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton, Jefferson, Stephens, Tillman	47 min
May 21, 1:55 AM CDT	Areal Flood Warning	OUN	Garfield, Grant, Kay, Noble	6 hr
May 21, 2:27 AM CDT	Severe Thunderstorm Warning	OUN	Grady, Jefferson, Stephens	48 min
May 21, 2:31 AM CDT	Special Weather Statement	OUN	Logan	29 min
May 21, 3:09 AM CDT	Special Weather Statement	OUN	Cleveland, McClain	36 min
May 21, 3:17 AM CDT	Flash Flood Warning	OUN	Noble, Payne	4 hr
May 21, 3:25 AM CDT	Areal Flood Warning	OUN	Cleveland, Oklahoma	5 hr
May 21, 3:47 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain	43 min
May 21, 4:08 AM CDT	Tornado Warning	OUN	Cleveland	14 min
May 21, 4:24 AM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Lincoln, Oklahoma, Pottawatomie	51 min
May 21, 4:26 AM CDT	Tornado Warning Tornado observed	OUN	Cleveland, Oklahoma, Pottawatomie	34 min
May 21, 4:45 AM CDT	Severe Thunderstorm Warning	OUN	Hughes, Lincoln, Pottawatomie, Seminole	45 min
May 21, 4:52 AM CDT	Tornado Warning	OUN	Lincoln	23 min
May 21, 4:54 AM CDT	Flash Flood Warning	OUN	Lincoln	3 hr
May 21, 5:00 AM CDT	Areal Flood Warning	OUN	Canadian, Logan, Oklahoma	3 hr
May 21, 5:37 AM CDT	Special Weather Statement	OUN	Pontotoc	23 min
May 21, 5:41 AM CDT	Areal Flood Warning	OUN	Caddo, Canadian, Kingfisher	3 hr
May 21, 5:58 AM CDT	Special Weather Statement	OUN	Marshall	32 min
May 21, 6:15 AM CDT	Tornado Warning	OUN	Atoka, Bryan, Johnston, Love, Marshall	30 min
May 21, 6:22 AM CDT	Tornado Warning	OUN	Hughes	53 min
May 21, 6:34 AM CDT	Areal Flood Warning	OUN	Cleveland, Pottawatomie	6 hr
May 21, 6:38 AM CDT	Tornado Warning	OUN	Atoka, Bryan, Johnston, Marshall	37 min
May 21, 6:46 AM CDT	Tornado Warning	OUN	Bryan	29 min
May 21, 6:52 AM CDT	Tornado Warning	OUN	Coal, Hughes	45 min
May 21, 6:54 AM CDT	Tornado Warning	OUN	Atoka, Coal, Johnston	36 min
May 21, 7:05 AM CDT	Tornado Warning	OUN	Atoka, Bryan	40 min
May 21, 7:24 AM CDT	Tornado Warning	OUN	Atoka, Coal	24 min
May 21, 7:39 AM CDT	Tornado Warning	OUN	Atoka	27 min
May 21, 7:50 AM CDT	Areal Flood Warning	OUN	Garfield, Grant, Kay, Noble, Payne	6 hr
May 21, 7:56 AM CDT	Areal Flood Warning	OUN	Blaine, Caddo, Canadian, Grady, Kingfisher, Logan and 1 more	6 hr
May 21, 8:10 AM CDT	Areal Flood Warning	OUN	Lincoln	4 hr
May 21, 9:40 AM CDT	River Flood Warning	OUN	Oklahoma	48 hr
May 21, 9:50 AM CDT	River Flood Warning	OUN	Custer, Washita	40 hr
May 21, 11:45 AM CDT	Areal Flood Warning	OUN	Canadian, Cleveland, Oklahoma	3 hr
May 21, 11:59 AM CDT	Areal Flood Warning	OUN	Lincoln	9 hr
May 21, 1:29 PM CDT	Areal Flood Warning	OUN	Canadian, Garfield, Grant, Kay, Kingfisher, Logan and 3 more	12 hr
May 21, 3:19 PM CDT	Special Weather Statement	OUN	Woods	26 min
May 21, 3:39 PM CDT	Special Weather Statement	OUN	Alfalfa, Woods	51 min

Nearby

Wind Advisories in Oklahoma, 2019 Wind Advisories in Texas, 2019 Every wind advisory 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; radar from the NEXRAD Level II archive.